JPH0127181B2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a velor-like carpet, and more particularly to a velor-like carpet that has excellent antifouling properties and antistatic properties and is suitable for indoor use, vehicle use, etc. .

Recently, raised carpet has been attracting attention as an interior material for homes and automobiles. In particular, the non-piled needle punch carpets that have been widely used in the past are inferior in monotony, feel, appearance, etc., so a raised needle punch carpet with a luxurious look is attracting attention. However, the raised carpet is often soiled by spilling drinks such as coffee and cola, which are essential in daily life, or by spilling salad oil, butter, etc. It is also known to treat carpets with water and oil repellents in order to prevent such stains. In general, carpets that have been treated to be water- and oil-repellent do not allow spills to penetrate into the interior immediately, so wiping them immediately with tissue paper will remove the stains and prevent stains. ing. However, it has the disadvantage that oily stains cannot be easily removed with shampoo, especially when oily stains are left to dry and solidify on the fibers without being wiped off immediately. In particular, when water and oil repellency is imparted through post-processing after carpet production, the water and oil repellent finishing agent mainly adheres only to the tips of the napped fibers, so the hem fibers have poor stain resistance.
The disadvantage is that dirt that has entered the interior is difficult to remove.

The inventors of the present invention have arrived at the present invention as a result of intensive research to obtain a raised carpet with excellent stain resistance. That is, the present invention is characterized in that it is composed of napped fibers made of synthetic fibers having water and oil repellency, and hem fibers made of synthetic fibers that have a smaller denier than the napped fibers and have hydrophilic properties. This is a stain-resistant velor-like carpet.

To explain the carpet of the present invention with reference to the drawings, FIG. 1 is a schematic cross-sectional view showing an example of the stain-resistant velor-like carpet of the present invention, in which 1 is a napped fiber, 2 is a fluffy fiber, and 3 is a base fabric. , 4 is a backing layer.

In the carpet according to the present invention, since the napped fibers are water and oil repellent, liquid stains can of course be easily removed by wiping, and even if liquid stains penetrate into the interior, the stains are mainly caused by the napped fibers. Since the fibers are hydrophilic, this stain can be easily removed by wiping it with a damp towel or the like. In addition, even if oil-based dirt should solidify inside, it can be easily removed with shampoo and has the feature of not causing stains.

Furthermore, carbon fiber is added to the backing latex.
When blending conductive fibers and/or conductive substances such as metal fibers and carbon black, an excellent antistatic effect can be achieved in combination with the antistatic properties of the hydrophilic hair fibers. It is also possible to improve dullness caused by adsorption of dust and the like.

Each fiber constituting the carpet of the present invention will be explained below.

As the napped fibers, synthetic fibers having water and oil repellency are used, and the fineness is preferably 10 deniers or more. Examples of synthetic fibers include polyester, polyamide, and polyacrylonitrile, with polyester being particularly preferred. The polyester may be any polyester such as polyethylene terephthalate, polybutylene terephthalate, polyethylene terephthalate/isophthalate, polyethylene/butylene terephthalate, 5-sodium sulfoisophthalic acid copolymerized ethylene terephthalate polyester, and various fiber-modified polyesters. Water and oil repellency can be imparted by applying a finishing agent to the napped fibers from the surface after they have been made into a carpet, but usually, after spinning, undrawn yarn, semi-drawn yarn, drawn yarn, or dyed yarn is used. Treatment with yarn is preferred. In particular, it is preferable from the viewpoint of effectiveness and economy to apply the oil agent to the undrawn yarn or semi-drawn yarn after spinning, in combination with an oil agent, in the same bath or in a separate bath.

The treatment agent that imparts water and oil repellency is a fluorine-containing compound having a perfluoroalkyl group,
For example, an ethylenically unsaturated monomer having a perfluoroalkyl group alone or a copolymer of this monomer and another ethylenically unsaturated monomer, an ethylenically unsaturated monomer having a perfluoroalkyl group perfluorosiloxane, a compound having a perfluoroalkyl group and an epoxy group, a chlorotriazine group, a methylol group, an isocyanate group, etc., perfluorocarboxylic acid and Examples include processing agents obtained by reacting perfluoroalcohol and polyester oligomer.

On the other hand, as the nap fiber, a hydrophilic synthetic fiber is used, but a fiber having a smaller denier than the napped fiber is used. Examples of synthetic fibers include polyester fibers, polyamide fibers, polyacrylonitrile fibers, etc., like napped fibers, and polyester fibers are particularly preferred. Hydrophilicity can be imparted by using synthetic fibers in which the polymer is modified to be hydrophilic during the polymerization step, but especially by post-treatment of yarns such as undrawn yarns, semi-drawn yarns, drawn yarns, and dyed yarns after spinning. is preferable. Treatment agents used include block copolymers of polyester and polyethylene glycol, polyglycidyl ethers of polyethylene glycol, polyethylene glycol with ethylenically unsaturated groups, and hydrophilic monomers such as ethylenically unsaturated carboxylic acids. or a copolymer mainly composed of the hydrophilic monomer with other ethylenically unsaturated monomers. Alternatively, the fiber may be modified by graft polymerizing a hydrophilic monomer. Particularly preferred are undrawn yarns or fibers modified by applying a block copolymer of polyalkylene terephthalate and polyethylene glycol to undrawn yarns, followed by stretching treatment.

Carpet production involves, for example, carding a mixture of napped fibers and fluffed fibers, needle-punching the resulting web without a base fabric or with a base fabric if desired, and then using a pattern punching machine. A method in which a mixed yarn of different shrinkage fibers is tufted and then pile-cut, and then the difference in shrinkage is utilized to form a nape and a crease. Examples include a method in which a pile cloth is formed by mixing sex fibers, and then raised and fluffy piles are formed in the same manner. In modifying the raised hair and the nape, light resistance agents, flame retardants, antistatic agents, antibacterial agents, etc. may be used in combination.

The present invention will be explained below with reference to Examples.

Example 1 Immediately after spinning polyethylene terephthalate from a circular nozzle, Asahi Guard AG-800 (Meisei Chemical Industry Co., Ltd.: fluorine-based water and oil repellent) was added at 0.15% owf (solid content), an alkyl phosphate compound and polyethylene glycol (molecular weight After applying 0.2% owf of mixed oil (600), it was stretched in the usual way,
By crimping and cutting, single fibers with a circular cross section of 15 d x 76 mm were obtained as fibers for napping. Next, immediately after spinning polyethylene terephthalate from a circular nozzle, SR-1000 (Takamatsu Yushi Co., Ltd.: polyester/polyethylene glycol block copolymer hydrophilic finishing agent) was applied at 1.0% owf, and then stretched in the usual manner.
The fibers were crimped and cut to obtain single fibers with a circular cross section of 6d x 64mm as fibers for hem hair. After that, after dyeing each fiber, carding is performed by mixing the napped fibers with the hem fibers, the resulting web is needle punched using the base fabric, and then the pattern is The 15-denier fibers were fluffed using a punching machine to create a raised fluff, and the 6-denier fibers were fluffed.
Thereafter, the back side was coated with latex to obtain a velor-like needle punch carpet. Even when a liquid such as coffee or cola was dropped on the raised needle-punch carpet thus obtained, the liquid formed into spherical droplets on the surface and could be wiped off immediately with tissue paper.
Also, when I colored it with salad oil and rubbed it on it, left it for a week, poured some hot water on it, and wiped it off with a rag, it came off cleanly.

Example 2 In the same manner as in Example 1, 2
After preparing the seed fibers, a raised needle punch carpet was prepared, and the effect was the same as in Example 1.

Comparative Example Fibers having water and oil repellency for both nape and nape were prepared, and a nape-like needle punch carpet was made in the same manner as in Example 1. When I spilled coffee, cola, etc. on this product, I could wipe it off right away and it wouldn't get dirty, but I colored it with salad oil, rubbed it on, left it for a week, then poured hot water over it and tried to wipe it off, but I couldn't completely remove it. Nakatsuta.

Example 3 An adhesive was applied to the back side of the raised carpet obtained in Example 2, and the carpet was bonded to a heat generating sheet to create a heat generating carpet. When this was applied to a kitchen, etc., even if muddy water was spilled, the sewage did not pass through to the heat generating sheet layer, and the sewage was easily removed and did not cause darkening.

[Brief explanation of drawings]

FIG. 1 is a schematic cross-sectional view showing an example of a velor-like carpet according to the present invention, in which 1 is a napped fiber;
3 is a base fabric, and 4 is a backing layer.

Claims (1)

[Scope of Claims] 1. It is composed of napped fibers made of synthetic fibers having water and oil repellency, and hem fibers made of synthetic fibers having a smaller denier than the napped fibers and having hydrophilic properties. Features stain-resistant velor-like carpet. 2. The stain-resistant velor-like carpet according to claim 1, wherein the napped fibers and the hem fibers are polyester fibers. 3. The stain-resistant velor-like carpet according to claim 1, wherein the napped fibers have a fineness of at least 10 denier.