JPH0830305B2 - Polyester fiber coated fabric and method for producing the same - Google Patents

Description

TECHNICAL FIELD The present invention relates to a polyester fiber coated fabric and a method for producing the same.

[Prior Art] Conventionally, there is a coated cloth in which a woven fabric or a knitted fabric of synthetic fibers such as nylon fibers and polyester fibers is coated with a resin such as a polyacrylic resin, a polyvinyl chloride resin, a polyurethane resin, clothing, Used for umbrellas, canvas, tents, etc.

[Problems to be Solved by the Invention] However, although there is no particular problem with a nylon fiber resin-coated cloth, in the case of polyester fiber dyed with a disperse dye, the dye in the fiber migrates to the coating resin layer,
Further, when the coating surface of the dark-colored coated cloth and the coating surface of the light-colored or white-coated cloth come into contact with each other, the dye on the dark-colored side is transferred to the light-colored or white-coated surface, and there is a problem of remarkable contamination.

[Means for Solving the Problems] The present inventors have arrived at the present invention as a result of extensive studies on a polyester fiber-coated fabric having no dye migration and an easy production method, and a production method thereof.

That is, the present invention is a polyester fiber base material coated with a resin and a resin composition containing an organometallic coordination compound selected from an organoaluminum compound and an organozirconium compound; A method for producing a polyester fiber-coated cloth, comprising coating a polyester fiber substrate with a composition.

As the polyester fiber base material used in the present invention, a single polyester fiber woven fabric, knitted fabric, non-woven fabric, polyester fiber as an essential mixed fiber, mixed fiber, mixed weave,
It is possible to use mixed knitting or the like and is not particularly limited.

Further, in the present invention, the dyeing of the polyester fiber substrate,
Disperse dyes that are not particularly limited, or those that do not require special dyeing conditions, can be used those that have been dyed normally such as carrier dyeing and high temperature dyeing with ordinary disperse dyes.

The polyester fiber base material used in the present invention may be heat-treated with a calendar roll in advance, or may be treated with a silicone-based or fluorine-based oil / water repellent agent.

Examples of the resin used in the present invention include polyurethane resins, polyacrylic resins, polyvinyl chloride resins,
Examples thereof include polyvinyl acetate-based resins, silicone-based resins, mixtures of two or more of these, and copolymers. Of these, polyurethane resins, polyacrylic resins and mixtures or copolymers thereof are preferred.

Polyurethane resins include polyurethane resins made from polymer diols, organic diisocyanates, and low molecular weight chain extenders (eg ethylene glycol, ethylenediamine, etc.). Polyacrylic resins include methacrylic acid, methyl methacrylate, n- Examples thereof include one or more polymers of methacrylic monomers such as butyl methacrylate, and copolymers thereof with methacrylic monomers and other copolymerizable vinyl monomers.

Further, the coating resin layer may be a single layer or may have a multilayer structure. In the case of a multilayer structure, at least one layer may be the resin composition coating layer of the present invention. An example of this multi-layer structure is a multi-layer structure having an acrylic resin layer between polyester fibers and a polyurethane resin layer for the purpose of a sealing effect of suppressing impregnation of the polyurethane resin.

As the organometallic coordination compound, aluminum trisacetylacetonate, organoaluminum coordination compound such as aluminum triisopropoxide, zirconium tetrakisacetylacetonate, organozirconium coordination compound such as diisopropoxyzirconium bisacetylacetonate, titanium tetrakis Organic titanium coordination compounds such as acetylacetonate and diisopropoxytitanium bisacetylacetonate; and mixtures of two or more thereof. Among these, organoaluminum coordination compounds and organozirconium coordination compounds are preferable.

The content of the organometallic coordination compound in the present invention in the resin composition is usually 0.5 to 30%, preferably 1 to 20% based on the resin solid content. If it is less than 0.5%, the effect of suppressing dye transfer is poor. If it exceeds 30%, it is deposited on the surface of the coating and the appearance is deteriorated.

If necessary, weather resistance in the resin composition of the present invention,
Various stabilizers for improving heat resistance deterioration, cross-linking agents such as polyfunctional isocyanates, colorants, inorganic fillers, organic modifiers, and other additives can be contained.

In the present invention, the resin composition is a solvent solution or an aqueous dispersion containing the above-exemplified components.

As the solvent, ketones (acetone, methyl ethyl ketone, methyl isobutyl ketone, etc.), esters (ethyl acetate, butyl acetate, etc.), ethers (tetrahydrofuran, etc.), aromatic hydrocarbons (toluene, xylene, etc.), amides (dimethylformamide, dimethyl) Acetamide, etc.), sulfoxide (dimethyl sulfoxide, etc.),
Alcohol (ethanol, isopropyl alcohol, etc.)
And mixed solvents of two or more of these.

The concentration of the resin composition is usually 5 to 50%, preferably 10
~ 45%.

Next, a method for producing the coated fabric of the present invention will be exemplified. The resin composition exemplified above can be coated on the polyester fiber base material by a usual method.

The coating method is not particularly limited, and a usual method can be used for processing.

For example, a direct coating method of directly coating on a polyester fiber base material and drying, or after forming a resin film on release paper, applying an adhesive, bonding with a polyester fiber base material, drying and peeling from the release paper Transfer A coating method and the like can be mentioned.

The coating thickness of the coating resin in the present invention is usually 1
˜200 μm, preferably 10˜100 μm. If the thickness of the coating is less than 1 μm, the effect of suppressing dye migration is small and the waterproofness is insufficient, and if it exceeds 200 μm, the texture of the coated fabric becomes hard, which is not preferable.

(Examples) Hereinafter, the present invention will be described with reference to examples, but the present invention is not limited thereto. Parts in the examples and comparative examples are parts by weight, and% is% by weight.

The organometallic coordination compounds and resins used in Examples and Comparative Examples are as follows.

(1) Organic metal coordination compound Al-AA: Aluminum trisacetylacetate Zr-AA: Zirconium tetrakisacetylacetonate (2) Resin Polyurethane resin (Samprene LQ-3190: Sanyo Chemical Industries, Ltd. polyester-based polyurethane resin solution) ) Resin solid content: 30% Dimethylformamide: 40% Toluene: 30% Polyacrylic resin (Paracron SS-2500: Polybutylmethacrylate resin solution manufactured by Negami Kogyo Co., Ltd.) Resin solid content: 19% Toluene: 81% The dye transfer stain fastness in the examples was evaluated according to the following method.

The coated surface of the test piece (5 cm x 5 cm) and the white cloth attached to the polyester (the same fabric as the test piece is coated with a solvent solution of 15% by weight of polyurethane resin and 85% by weight of dimethylformamide, dipped in water and solidified, After that, wash with water,
Dried, 5 cm x 5 cm) so that the coated surface is in contact, sandwich it between two glass plates and apply a load of 1 kg for 2 hours in a constant temperature dryer 80 ° C ± 3 ° C, 100 ° C ± 3 ° C. After being left for 2 hours in each of the chambers and allowed to cool, the state of dye transfer from the test piece to the attached white cloth was graded with a gray scale for staining. The results of Examples and Comparative Examples are summarized in Table 1.

Example 1 A plain woven fabric using a polyester filament yarn of warp yarn 50 denier and weft yarn 75 denier is dispersed dye ResolineBlueFBL
Dyeing was carried out at a temperature of 130 ° C. for 60 minutes at 3% OWf, followed by usual washing, drying and heat setting at 180 ° C. to obtain a dyeing cloth for coating.

Next, 100 parts of polyurethane resin, 25 parts of toluene and Al-AA
1.8 parts (6% based on resin solids content) of uniform mixture was coated with a knife coater to a thickness of about 70 μm,
The coated fabric was obtained by drying at 100 ° C. for 5 minutes. The film thickness of the resin layer of the obtained coated cloth was 15 μm. This was used as a test piece.

Comparative Example 1 The dyed cloth obtained in Example 1 was coated with an adjustment solution in which 100 parts of polyurethane resin and 25 parts of toluene were uniformly mixed and dried in the same manner as in Example 1 to obtain a coated cloth.

Example 2 Similar to Example 1, 100 parts of polyurethane resin, 25 parts of toluene, 25 parts of methyl ethyl ketone and 1.2 parts of Zr-AA (4% based on the resin solid content) were uniformly mixed to prepare a control solution with a knife coater. The coated cloth was coated with a coating of about 100 μm and dried at 100 ° C. for 5 minutes. The film thickness of the resin layer of the obtained coated cloth was 20 μm.

Comparative Example 2 In the same manner as in Example 2, 100 parts of polyurethane resin, 25 parts of toluene and 25 parts of methyl ethyl ketone were uniformly mixed to prepare a coating solution, which was coated and dried in the same manner as in Example 2 to obtain a coated fabric. .

Example 3 In the same manner as in Example 2, 100 parts of polyacrylic resin, 10 parts of toluene, 10 parts of methyl ethyl ketone and 0.57 of Al-AA.
Part (3% based on resin solids) and 1 part of aliphatic polyfunctional isocyanate (Sumitomo Bayer Sumidule N-75) uniformly mixed with a knife coater to about 100 μm
The coated fabric was coated and dried at 100 ° C. for 5 minutes to obtain a coated fabric. The film thickness of the resin layer of the obtained coated cloth was 15 μm.

Comparative Example 3 A coated fabric was obtained in the same manner as in Example 3 except that Al-AA was not used.

As is apparent from Table-1, the present invention showed high migration stain fastness. On the other hand, the comparative example was inferior in the durability against migration contamination and poor in practical use.

[Effects of the Invention] The polyester fiber-coated cloth of the present invention suppresses dye migration and significantly improves stain prevention as compared with the conventional one.

Further, the polyester fiber-coated cloth of the present invention has a soft texture and shows good water resistance.

The polyester fiber-coated cloth of the present invention is suitable for clothing, umbrellas, canvas tents, etc. because of the above effects.

On the other hand, also in the production method, it can be produced by a usual method and is useful.

Claims (5)

[Claims] 1. A polyester fiber coated cloth comprising a polyester fiber base material coated with a resin composition containing a resin and an organometallic coordination compound selected from an organoaluminum compound and an organozirconium compound. 2. The polyester fiber coated fabric according to claim 1, wherein the amount of the organometallic coordination compound is 0.5 to 30% based on the weight of the resin. 3. The polyester fiber coated cloth according to claim 1 or 2, wherein the resin is a polyurethane resin and / or a polyacrylic resin. 4. The polyester fiber-coated cloth according to claim 1, wherein the organic coordination compound is an organic aluminum compound. 5. A method for producing a polyester fiber coated cloth, which comprises coating a polyester fiber base material with the resin composition according to any one of claims 1 to 4.