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SE540725C2 - Use of composition comprising polyvinyl chloride dissolved in1-bytylpyrrolidin-2-one for joining floor panels made of po lyvinyl chloride - Google Patents
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SE540725C2 - Use of composition comprising polyvinyl chloride dissolved in1-bytylpyrrolidin-2-one for joining floor panels made of po lyvinyl chloride - Google Patents

Use of composition comprising polyvinyl chloride dissolved in1-bytylpyrrolidin-2-one for joining floor panels made of po lyvinyl chloride

Info

Publication number
SE540725C2
SE540725C2 SE1650909A SE1650909A SE540725C2 SE 540725 C2 SE540725 C2 SE 540725C2 SE 1650909 A SE1650909 A SE 1650909A SE 1650909 A SE1650909 A SE 1650909A SE 540725 C2 SE540725 C2 SE 540725C2
Authority
SE
Sweden
Prior art keywords
composition
pvc
polyvinylchloride
floor
butylpyrrolidin
Prior art date
Application number
SE1650909A
Other languages
Swedish (sv)
Other versions
SE1650909A1 (en
Inventor
GUSTAFSSON Dick
Högstedt Olof
Lindén Anders
Original Assignee
Ohla Plast & Faergteknik Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ohla Plast & Faergteknik Ab filed Critical Ohla Plast & Faergteknik Ab
Priority to SE1650909A priority Critical patent/SE540725C2/en
Priority to PCT/SE2017/050432 priority patent/WO2017222438A1/en
Priority to EP17815798.8A priority patent/EP3475062A4/en
Publication of SE1650909A1 publication Critical patent/SE1650909A1/en
Publication of SE540725C2 publication Critical patent/SE540725C2/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D207/24—Oxygen or sulfur atoms
    • C07D207/26—2-Pyrrolidones
    • C07D207/263—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
    • C07D207/267—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4895—Solvent bonding, i.e. the surfaces of the parts to be joined being treated with solvents, swelling or softening agents, without adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/12—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
    • C08J5/124—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives using adhesives based on a macromolecular component
    • C08J5/125—Adhesives in organic diluents
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J127/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Adhesives based on derivatives of such polymers
    • C09J127/02—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J127/04—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Adhesives based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C09J127/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J131/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
    • C09J131/02—Homopolymers or copolymers of esters of monocarboxylic acids
    • C09J131/04—Homopolymers or copolymers of vinyl acetate
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/16—Flooring, e.g. parquet on flexible web, laid as flexible webs; Webs specially adapted for use as flooring; Parquet on flexible web
    • E04F15/163—Webs specially adapted for use as finishing layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B29C65/524—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by applying the adhesive from an outlet device in contact with, or almost in contact with, the surface of the part to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/14—Particular design of joint configurations particular design of the joint cross-sections the joint having the same thickness as the thickness of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/435—Making large sheets by joining smaller ones or strips together
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/732—Floor coverings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2427/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2427/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2431/00—Characterised by the use of copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, or carbonic acid, or of a haloformic acid
    • C08J2431/02—Characterised by the use of omopolymers or copolymers of esters of monocarboxylic acids
    • C08J2431/04—Homopolymers or copolymers of vinyl acetate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2427/00—Presence of halogenated polymer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2427/00—Presence of halogenated polymer
    • C09J2427/006—Presence of halogenated polymer in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2431/00—Presence of polyvinyl acetate

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention relates to a composition for joining of polyvinylchloride (PVC) components, the composition comprising 50-95 wt% 1-butylpyrrolidin-2-one and 5-40 wt% polyvinylchloride and/or polyvinylacetate. The invention further relates to a method of joining of polyvinylchloride (PVC) components using the composition.

Description

Use of a composition comprising polyvinylchloride dissolved in 1-bytylpyrrolidin-2-one for joining floor panels made of polyvinylchloride TECHNICAL FIELD This invention relates to a composition for joining of polyvinylchloride (PVC) components, the composition comprising a solvent and polyvinylchloride and/or polyvinylacetate. It further relates to a method of joining of polyvinylchloride (PVC) components using the composition.
BACKGROUND ART Joining of polyvinylchloride (PVC) components, such as floor and wall panels, are commonly carried out by using a liquid composition comprising a solvent capable of dissolving the PVC and allowing the PVC components to fuse together over time while the solvent evaporates. Such a liquid composition is often called a cold weld liquid and the corresponding joining technique is called cold welding or chemical welding.
A commonly used industrial solvent for joining PVC floor panels is the organic compound tetrahydrofuran (THF). This solvent is very suitable for the purpose in question but has some serious disadvantages. THF has recently been classified as "Suspected of causing cancer". Products containing THF as solvent must thus be provided with a warning label due to the potential cancerous effect. For the one-time user the potential negative effects of THF may not be alarming, but for professionals coming into contact with the solvent every day there is a great health risk. The use of THF and similar PVC solvents available on the market requires the user to wear a mask and to work only in environments with intensive ventilation. Such requirements complicate the work for professionals.
Another problem associated with THF and similar solvents is their flammability, which poses a risk of explosion and fire. Tools that may give rise to sparks can therefore not be used together with such solvents. Moreover, these solvents are subject to transportation restrictions.
Because of the toxicity and flammability of THF, some alternatives have been proposed in the past. DE4142732 A1 discloses a cold weld composition using acetone as solvent. Another alternative is given in FR2804456 A1 teaching that plasticized PVC panels can be joined by using water-based polyurethane glue.
None of these alternatives have reached any commercial success, possibly because acetone, like THF, is toxic, flammable and evaporates readily, and it is also a poorer solvent for PVC than THF, and because polyurethane glue requires a long time to cure and has poor binding properties for PVC.
Another common method of joining PVC components is hot welding, i.e. the components are melted instead of being dissolved using a solvent. However, conventional hot melting is generally more complicated than using solvents; particular welding equipment is needed and it requires great craftsmanship to produce good looking joints. Moreover, hot welding generates corrosive and toxic gases, and it cannot be used for joining foamed PVC components.
For the above reasons, there is a need for improvements in the field of joining PVC components together.
SUMMARY OF THE INVENTION An object of the invention is to overcome the problems outlined above; namely to provide for an efficient and qualitative way of joining PVC components without the use of toxic solvents or complicated equipment.
The invention concerns a use of a composition for joining of floor panels/floor covering sections made of polyvinylchloride (PVC) according to claim 1, the composition comprising, inter alia, 50-95 wt% (weight percent) 1-butylpyrrolidin-2-one and 5-40 wt% polyvinylchloride (PVC) and/or polyvinylacetate (PVA). 1-butylpyrrolidin-2-one is a non-toxic and inflammable solvent that, when mixed with a certain amount of PVC and/or PVA, is very useful for joining PVC components, in particular floor panels but also e.g. pipe sections or for fitting PVC window frames. An effect of the invention is thus that PVC floor panels/covering sections can be joined together in an efficient and noncomplicated way without posing a health risk for the person carrying out the work and without the risk for explosions and fire during application or transportation.
It has been found that 1-butylpyrrolidin-2-one, which is a low-volatile non-toxic solvent with high polarity, provides good quality joints with surprisingly short binding time. Moreover, the low volatility provides the possibility to make the cold welding process more exact and reproducible. An excess of welding liquid/composition can be used in the process, since it can be wiped off smoothly and easily without damaging the product surface.
Compared to the known solvent alternative acetone, 1-butylpyrrolidin-2-one has the advantages of being less toxic, enabling the possibility of achieving improved joints (reproducible joints with better appearance), and being easier to handle (inflammable). 1-butylpyrrolidin-2-one is known as such but the use of this compound in a cold weld composition for joining of PVC floor panels/covering sections is believed to be novel. 1-butylpyrrolidin-2-one is also known under e.g. the following names: 1-Butyl-2-pyrrolidinone, N-Butylpyrrolidone and N-Butylpyrrolidinone. The chemical formulation is C8H15NO.
The term "PVC floor panels/covering sections" refer to components that are substantially made of PVC. It is not necessary that these components are made purely of PVC. Many PVC components contain, for instance, around 10 wt% fillers, plasticizers or other additives, and around 10 wt% polyvinylacetate.
The composition comprises 5-40 wt% polyvinylchloride and/or polyvinylacetate, which will mix with the PVC/PVA polymers of the PVC component and act as filler in the joint while the 1-butylpyrrolidin-2-one diffuses into the PVC components. The PVA/PVC of the composition thereby contributes to a better bond.
The concentration of PVC/PVA in the composition influences the viscosity of the composition; the higher the PVC/PVA concentration, the higher the viscosity. Different applications may require different viscosity. For instance, if there is a large gap in the joint to be sealed, and for non-horizontal applications, such as walls or inclined floors, a more viscous composition is needed.
The composition may comprise a mix of PVC and PVA.
Preferably, the composition comprises 70-85% 1-butylpyrrolidin-2-one and 8-20% polyvinylchloride.
The composition is produced by adding PVC or PVA in powder or granulate form to liquid 1-butylpyrrolidin-2-one and mixing the components to dissolve at least most of the PVC or PVA. After a few days, preferably 1-2 days, the additives are added to the mix. The composition is yet again stirred to make sure all PVC or PVA has dissolved.
According to the invention the composition comprises 0.1-20 wt%, preferably 3-10 wt%, additives in the form of one or several of the following compounds: stabilizers, plasticizers, pigments and/or matting agents. Such compounds are known as such. Stabilizers are added to the composition to minimize the effect of UV-radiation on the joints. UV-radiation affects the colour of the joint as it yellows the PVC or PVA. The plasticizer promotes plasticity and flexibility in the joint. The amount of additives in the composition preferably reflects the amount of additives in the PVC components that are being joined. A PVC floor component that has a high level of plasticizers is preferably joined by using a composition with similar amount of plasticizers such that the joint becomes as elastic as the floor components. Pigments are added to give the joint a desired colour, for example the same colour as the PVC components to be joined. Matting agents are added to provide the desired matting effect.
The composition comprises additives in the following amounts: <5% stabilizers and/or <5% plasticizers and/or 0-10% pigments and/or 0-5% matting agents.
In an embodiment of the invention, the composition comprises 4-8 wt% additives.
The invention also concerns a method for joining of floor panels/floor covering sections made of polyvinylchloride (PVC) according to claim 7, wherein a composition of the above type is used.
The method may comprise the steps of: applying a composition of the above type onto at least a first of said components at a location intended to form part of a joint; and bringing into contact the first PVC component with a second PVC component at said location.
The method may further comprise pressing the first and second polyvinylchloride component together at the intended joint, allowing superfluous composition to protrude from the joint when the first and second PVC component are brought into contact with each other; and allowing the first and second PVC components to fuse.
The method may also comprise wiping away protruding superfluous composition along the joint in order to achieve a smooth, non-bulging joint between the PVC components. Due to the characteristics of the composition it is easy to wipe off. It is non-sticky and does not immediately cure as compared to compositions with THF which are sticky and cure faster. Compositions with THF have a tendency to create bulges along the joint. In contrast to THF-based compositions, the present composition does not require the use of masking tape to avoid overspill as the composition can easily be wiped off with for example a putty knife.
The composition dissolves the surface of the PVC components at the location of the joint, i.e. at the edges of adjacent floor panels, and allows the components to fuse together along the contacting surfaces such as to achieve seam sealing. The fact that 1-butylpyrrolidin-2-one is polar is believed to contribute to the benefits, because it mixes well with PVC which is also polar. After application, the 1-butylpyrrolidin-2-one of the composition will diffuse into the edges of the PVC components and thereby provide great adhesion effects.
The fusion of the PVC components takes about 6-24 hours, so the method preferably comprises the step of allowing the components to bond for at least 24 hours. Full joint strength is achieved after about 3-7 days.
By using the composition disclosed herein the method allows the joint to be cold seam welded by bonding the said first and second PVC component together.
The composition may be applied to a first surface of the first polyvinylchloride component at the location of intended joint.
According to one aspect of the invention the composition is applied by means of an applicator provided with a nozzle through which the composition is pressed out.
DETAILED DESCRIPTION In the following an embodiment of the invention is shown and described, simply by way of illustration of one mode of carrying out the invention.
According to one example of the invention the composition comprises: 80 wt% 1-butylpyrrolidin-2-one 14 wt% polyvinylchloride 4,4 wt% plasticizers 0,3 wt% stabilizers 1,3 wt% matting agent This example of the composition may be used in a method for joining two floor covering sections. In such an example of the invention, the method comprises placing two PVC floor sections on the underlying, original floor and gluing them to that floor. The PVC floor sections are positioned so that their edges overlap. The method further comprises providing a cut through the overlap, the cut extending along the entire edge of the overlap. The cut away part of the upper section is then removed. Thereafter, the upper PVC floor section is lifted to reveal the part cut away from the bottom PVC section, which is likewise subsequently removed. The composition according to the invention is added to the edge of the bottom floor section by means of a nozzle at the location intended to form the joint. The lifted upper floor covering section is folded back down into position so that the edge of the bottom floor covering section and the edge of the upper floor covering section align at the location of the intended joint. The composition is allowed to protrude from the joint between the edges. The superfluous composition is wiped away so as to form a smooth joint.

Claims (10)

1. Use of a composition for joining of floor panels/floor covering sections made of polyvinylchloride (PVC), wherein the composition comprises: a solvent; polyvinylchloride and/or polyvinylacetate; and additives comprising one or several of the following compounds: stabilizers; plasticizers; pigments and/or matting agents, wherein the solvent is 1-butylpyrrolidin-2-one, wherein the composition comprises 50-95 wt% 1-butylpyrrolidin-2-one and 5-40 wt% polyvinylchloride and/or polyvinylacetate, wherein the composition comprises 0.1-20 wt% additives, and wherein the composition comprises additives in the following amounts: <5 wt% stabilizers and/or <5 wt% plasticizers and/or 0-10 wt% pigments and/or 0-5 wt% matting agents.
2. Use according to claim 1, wherein the 1-butylpyrrolidin-2-one together with the polyvinylchloride and/or polyvinylacetate constitute at least 90 % of the total weight of the composition.
3. Use according to any one of claims 1 or 2, wherein the composition comprises 3-10 wt% additives.
4. Use according to any one of the above claims, wherein the composition comprises 70-85 wt% 1-butylpyrrolidin-2-one and 8-20 wt% polyvinylchloride and/or polyvinylacetate.
5. Use according to claim 1, wherein the composition comprises 4-8 wt% additives.
6. Use according to any one of the above claims wherein the composition comprises 80 wt% 1-butylpyrrolidin-2-one, 14 wt% polyvinylchloride, 4,4 wt% plasticizer, 0,3 wt% stabilizer and 1,3 wt% matting agent.
7. Method for joining of floor panels/floor covering sections made of polyvinylchloride (PVC), wherein the method comprises the steps of: - placing a first PVC floor panel/covering section onto a floor; - applying a composition as defined in any one of claims 1-6 along an edge of the first PVC floor panel/covering section at the location intended to form the joint; - placing a second PVC floor panel/covering section onto the floor next to the first PVC floor panel/covering section so that the edge of the first PVC floor panel/covering section and an edge of the second PVC floor panel/covering section align at the location of the intended joint, wherein the composition is applied along the edge of the first PVC floor panel/covering section before aligning the edges of the first and second PVC floor panels/covering sections.
8. Method according to claim 7, wherein the method further comprises the following step: - wiping away any superfluous composition protruding from the joint by wiping along the joint.
9. Method according to any one of claims 7 - 8, wherein the composition is applied by means of an applicator provided with a nozzle, through which the composition is pressed out.
10. Method according to any one of claims 7 - 9, wherein the method further comprises the step of glueing the first and second PVC floor panels/covering sections to the floor.
SE1650909A 2016-06-23 2016-06-23 Use of composition comprising polyvinyl chloride dissolved in1-bytylpyrrolidin-2-one for joining floor panels made of po lyvinyl chloride SE540725C2 (en)

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SE1650909A SE540725C2 (en) 2016-06-23 2016-06-23 Use of composition comprising polyvinyl chloride dissolved in1-bytylpyrrolidin-2-one for joining floor panels made of po lyvinyl chloride
PCT/SE2017/050432 WO2017222438A1 (en) 2016-06-23 2017-05-04 Composition and method for joining of pvc components
EP17815798.8A EP3475062A4 (en) 2016-06-23 2017-05-04 COMPOSITION AND METHOD FOR CONNECTING PVC COMPONENTS

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SE1650909A SE540725C2 (en) 2016-06-23 2016-06-23 Use of composition comprising polyvinyl chloride dissolved in1-bytylpyrrolidin-2-one for joining floor panels made of po lyvinyl chloride

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CN113279549A (en) * 2021-05-26 2021-08-20 雍志俊 Method for processing laying and splicing parts of wear-resistant anti-static PVC plastic floor
SE546251C2 (en) * 2022-11-29 2024-09-10 Ohla Plast & Faergteknik Ab Coating composition for components made of PVC, coated component made of PVC and method of coating a component made of PVC

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DE2934133A1 (en) * 1979-08-23 1981-03-26 Kurt Kunze GmH & Co KG, 4300 Essen Jointing PVC sheets into continuous floor covering - where underside of temporarily taped joint is welded cooled and smoothed
DK153684C (en) * 1982-12-01 1990-02-26 Heimann F & Co As PROCEDURE FOR PREPARING A LIMITED JOINT BETWEEN SURFACES OF SUBSTANCES MADE BY WATER INSOLuble, SYNTHETIC ORGANIC POLYMERS
DE3512537A1 (en) * 1985-04-06 1986-10-16 Henkel KGaA, 4000 Düsseldorf MEANS FOR GLUING MOLDED PVC MOLDED PARTS
EP2404953A1 (en) * 2010-07-08 2012-01-11 Nordcoll A/S Solvent based glue composition
BE1020269A5 (en) * 2012-01-17 2013-07-02 Taminco USE OF REPLACEMENT SOLVENTS FOR N-METHYLPYRROLIDONE (NMP).
US20140020828A1 (en) * 2012-07-18 2014-01-23 Oatey Company Fast Curing CPVC Solvent Cement
US20160115358A1 (en) * 2014-10-23 2016-04-28 Ips, Corporation -Weld-On Division Solvent cement for bonding thermoplastic resin articles

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EP3475062A1 (en) 2019-05-01
WO2017222438A1 (en) 2017-12-28
EP3475062A4 (en) 2020-01-29

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