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NZ764510B2 - Process for manufacturing a nonwoven sheet material having an impermeable layer on one side and an anti-slip coating on the other side - Google Patents
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NZ764510B2 - Process for manufacturing a nonwoven sheet material having an impermeable layer on one side and an anti-slip coating on the other side - Google Patents

Process for manufacturing a nonwoven sheet material having an impermeable layer on one side and an anti-slip coating on the other side

Info

Publication number
NZ764510B2
NZ764510B2 NZ764510A NZ76451017A NZ764510B2 NZ 764510 B2 NZ764510 B2 NZ 764510B2 NZ 764510 A NZ764510 A NZ 764510A NZ 76451017 A NZ76451017 A NZ 76451017A NZ 764510 B2 NZ764510 B2 NZ 764510B2
Authority
NZ
New Zealand
Prior art keywords
sheet material
fibers
nonwoven sheet
impermeable layer
blend
Prior art date
Application number
NZ764510A
Other versions
NZ764510A (en
Inventor
Greet Dewitte
Dany Michiels
Dominik Roster
Original Assignee
Twe Meulebeke
Filing date
Publication date
Application filed by Twe Meulebeke filed Critical Twe Meulebeke
Priority claimed from PCT/EP2017/081708 external-priority patent/WO2019110098A1/en
Publication of NZ764510A publication Critical patent/NZ764510A/en
Publication of NZ764510B2 publication Critical patent/NZ764510B2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/744—Non-slip, anti-slip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions

Abstract

Disclosed is an Improved process overcoming the prejudices of laterally weak unidirectionally formed woven sheet material, strengthening them by an application of polymer to the surface. Process for manufacturing a nonwoven sheet material having an liquid-impermeable layer on one side and an anti-slip coating on the other side, process comprising the steps of carding fibers and forming a web, wherein the fibers have a common general orientation, bonding the fibers into a nonwoven sheet material and, applying an anti-slip coating onto one surface of the nonwoven sheet material, and applying a polymer onto the other surface of the nonwoven sheet material to form the liquid impermeable layer, characterized in that it further comprises the step of maintaining the orientation of the fibers over the whole process.

Claims (15)

Claims
1. Process for manufacturing a nonwoven sheet material having an liquid-impermeable layer on one side and an anti-slip 5 coating on the other side, process comprising the steps of: - carding fibers and forming a web, wherein the fibers have a common general orientation; - bonding the fibers into a nonwoven sheet material and - applying an anti-slip coating onto one surface of the 10 nonwoven sheet material, and - applying a polymer onto the other surface of the nonwoven sheet material to form the liquid impermeable layer - characterized in that it further comprises the step of - maintaining the orientation of the fibers over the whole 15 process.
2. Process according to claim 1, wherein at least two webs of carded fibers are overlapped and bonded together in the bonding step.
3. Process according to one of claims 1 and 2, wherein the anti20 slip coating is applied by hot-melt coating.
4. Process according to one of claim 1 to 3, wherein applying a polymer onto the second surface is performed at high speed at a speed of the line higher than 25m/min. 25
5. Process according to claim 4 wherein the polymer is applied by high speed lamination or by spraying an extruded/melted polymer on the nonwoven sheet material. 30
6. Process according to one of claims 1 to 5, wherein the impermeable coating is applied by hot-melt extrusion.
7. Process according to one of claim 1 to 6, further comprising applying onto the impermeable layer one or more additional 35 nonwoven sheet materials. 13
8. Process according to claim 7, further comprising applying, onto an additional sheet material, one or more polymer layers. 5
9. Process according to one of claim 1 to 6, further comprising applying onto the impermeable layer one or more polymer layer.
10. 10. Nonwoven sheet material prepared according to the process of any of claim 1 to 9, having a liquid-impermeable layer on one side and an anti-slip coating on the other side, characterized in that the fibers of the nonwoven sheet material are carded bonded fibers having a common general 15 orientation.
11. Nonwoven sheet material according to claim 10, wherein the nonwoven sheet material has a weight of 180 g/m² or less. 20
12. Nonwoven sheet material according to one of claims 10 and 11, wherein the nonwoven sheet material comprises at least one blend of fibers. 25
13. Nonwoven sheet material according to claim 12, wherein at least one blend of fibers is selected from the group comprising a blend of 100% PET fibers containing bonding fiber bico PET/CoPET with thicknesses of 2, 4, 6 or 15dn, a 30 blend of 100% PLA fibers which are bio degradable fibers, a blend of PET structural fibers with other bico-fibers, a blend of PET and viscose fibers or a blend of PET and cellulose fibers. 35 14. Nonwoven sheet material according to one of claims 10 to 13, comprising, on top of the impermeable layer, one or
14. more additional nonwoven sheet material and/or one or more additional polymer layer.
15. Article for protecting surfaces made from the nonwoven 5 sheet material according to one of claims 10 to 14
NZ764510A 2017-12-06 Process for manufacturing a nonwoven sheet material having an impermeable layer on one side and an anti-slip coating on the other side NZ764510B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2017/081708 WO2019110098A1 (en) 2017-12-06 2017-12-06 Process for manufacturing a nonwoven sheet material having an impermeable layer on one side and an anti-slip coating on the other side

Publications (2)

Publication Number Publication Date
NZ764510A NZ764510A (en) 2024-04-26
NZ764510B2 true NZ764510B2 (en) 2024-07-30

Family

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