JPH0259334A - Manufacture of material having raising structure - Google Patents

Abstract

PURPOSE:To manufacture a raising material having a number of fine fibre raised firmly in its surface by adhering the non-raising surface of a raising fabric which has raising of a specific length and density and a film sheet, and making them to be a laminated body, and sticking the film sheet side of the laminate body to the material basement. CONSTITUTION:Upon manufacturing a raising material having a number of fine fibre raising of 0.5mm or more and 45mm or less in its raising length, and of 4000/cm<2> or more and 6 million/cm<2> or less in its raising density, an adhering layer is applied and/or laminated on a film sheet of 10-100mum, and the non-raising surface of the raising fabric having the raising of the raising length and the raising density and the film sheet are stuck to each other by the adhering layer so as to be a laminated body, furthermore, the film sheet side of the laminated body is stuck to the material basement. As a fibre formative polymer, polyester group, polyamide group, acryl polymeric group and the like are suitably employed, and, extra fine fibres of 0.4 denier in its monofilament denier are preferable for effective utilization of an air-mark effect, air-vibration effect and the like.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a method for producing a nap material having a large number of fine naps on the surface of the material.

[Prior art] Raised fabrics have traditionally been used not only in the clothing field, but also in the clothing field, due to their excellent aesthetic appearance, glossy windows, and deep color properties.
It is also widely used in the decorative field, including wall covering materials and upholstery for furniture and vehicles.

In addition, in recent years, by utilizing the unique sliminess and oscillating properties of fine fibers of 1 denier or less, they are being used as aquatic materials with excellent biological adhesion prevention properties, such as algae and shellfish adhesion prevention materials. Furthermore, it has been discovered that the fine napped fibers exhibit a peculiar phenomenon such as a decrease in resistance at the interface with liquid or gas, and can be used as a material for stable running of objects in liquid or gas or as a material for reducing drag. Tsutsuru. All of these are considered to be caused by phenomena peculiar to fine fibers that occur when fine fibers of several deniers or less are used as napping, namely, the fluctuation and breeze characteristics due to the chalk mark effect, the air vibration effect, and the air mark effect, which will be described later. It is.

In other words, it can be said that the air mark effect and air vibration effect are hardly noticeable even when tested on commercially available raised fabrics, such as velvet, velvet, and velveteen. , which is conspicuously observed in ultra-fine fibers of 1 denier or less, more preferably 0.4 denier or less, which are preferably used in the present invention, as well as in natural chinchilla fur and natural nude rear fur.

However, if the fine fiber nap fabric, which has excellent air marks and air vibration effects, is simply attached to the target material base using an adhesive or the like,
Because the adhesive or resin penetrates into the inside of the fabric or passes through the fabric (penetrating from the back side of the fabric to the nape side on the front), the root of the nap is firmly fixed, so the fine fibers naturally become nap. Because the peculiar phenomena of the liver and kidneys used, such as the breeze effect, fluctuation effect, and the aforementioned air mark and air vibration effects, disappear or decrease,
There is a disadvantage that the above-mentioned anti-algae, protective function and drag reduction function cannot be obtained.

In addition, in order to prevent the adhesive or resin from seeping into the inside of the raised fabric, it is possible to use double-sided adhesive tape to adhere it to the material base, but such methods naturally have a negative effect on adhesive strength and durability. It's problematic and undesirable.

[Problems to be Solved by the Invention] In view of the problems of the prior art as described above, the purpose of the present invention is to improve the unique surface characteristics such as air marks and air vibration effects, which are the most important features of fine fiber napped fabrics. More specifically, it is possible to successfully obtain a material with a napped structure, and more specifically, to effectively utilize a fine fiber napped fabric to create a material with a large number of napped fine fibers on the surface without actually impairing the air mark, air vibration effect, etc. mentioned above. It is an object of the present invention to provide a method for manufacturing a napping material that has strong properties.

[Means for Solving the Problems] The present invention has the following configuration in order to achieve the above-mentioned invention.

That is, when manufacturing a napping material having a large number of fine fibers with a nap length of 0.5 s or more and 45 m or less and a nap density of 4000 or more/crA or more and 6 million/7 or less,
An adhesive layer (C) is coated and/or laminated on a film sheet (B) having a thickness of 10 to 100 μm, and the adhesive layer (C) is used to produce a raised nap having the above-mentioned nap length and nap density. The non-napped side of the fabric (A>) and the film sheet (B) are adhered to form a laminate, and the film sheet (B) side of the laminate is roughly attached to the material base (D>). This is a method for manufacturing a material having a raised structure.

[Effect] The present invention will be explained in more detail.

In the method of the present invention, first, the non-napped side of the napped fabric (A) and the film sheet (B) are bonded together to obtain a laminate.

In the present invention, the raised fabric (A>) refers to one side of the fabric.
Woven fabrics, knitted fabrics, non-woven fabrics, etc. that have hair and the other side is non-napped, and are not particularly limited, but to give specific examples, fabrics include double velvet, single pile, etc. Various napped fabrics such as double velvet, multi-pile double velvet, double-sided velvet, plush, wireless velvet, chinchilla weave, and fabrics obtained using chenille yarn can be used, and in knitted fabrics, double tricot napped fabrics, etc. Warp-knitted fabrics, fabrics made by tufting or electroplating napped fabrics on a rough base fabric, knitted fabrics, non-woven fabrics, etc., processed with a needle fabric napping machine can also be used. Double velvet structures such as single pile and multi-pile are preferably used in terms of pile density and compactness of the structure.

The nap length varies depending on the single fiber fineness of the nap, but it is 0.
A range of 5% to 45% is good, and the most preferable range is 171I#1 to 20In! It is n. 45IIIlr&
If it exceeds this, it becomes difficult to form fabrics for woven or knitted products, and when trying to form napped by electrostatic flocking method, the fibers fall down and it is difficult to form napped. This is undesirable because it makes it difficult to obtain the surface smoothness required in the present invention. 0.51
If the nap is less than M1, it is difficult to form the nap with either woven or knitted fabrics or electrostatic flocking methods, and even if ultra-fine fibers are used for the nap, the nap will tend to stand up, and the surface of the nap will be rough. This is not preferable because the texture becomes strong and it becomes difficult to obtain the surface smoothness required in the present invention.

In addition, the density of the number of naps of the raw material nap fabric is 4.00
It is preferable that there is a sufficient number of about 0 lines/cm or more. In particular, with the current manufacturing technology for ultra-fine napped fabrics, it is fully possible to produce ultra-fine fibers of 0.01 denier or less, so when such ultra-fine fibers are used, it is possible to produce ultra-high fibers of 5 million to 6 million fibers/d. Although it is possible to produce a napped fabric with a napped density, such a napped fabric with an ultra-high napped density can also be used to obtain the material having the napped structure of the present invention. However, according to the findings of the present inventors, taking into consideration the ease of actual production, - boat fishing requires 10,
It is preferable to use one with a high nap density of about 000 to 200,000 strands/-.

The fiber-forming polymers constituting the napped fibers include polyesters such as polyethylene terephthalate or its copolymers (for example, copolymer components such as 5-sodium sulfoisophthalate), polybutylene terephthalate, or its copolymers. , nylon 6.11.
Polyamides represented by 12.66.610 and their copolymers, acrylic polymers, polyurethane,
Any fiber-forming polymers such as polyethylene, ultra-high molecular weight polyethylene, polypropylene and its copolymers, polyvinyl alcohol, rayon, etc. may be used, and a polymer may be selected from these depending on the purpose.

In the present invention, by effectively utilizing the air mark effect, air vibration effect, etc., decorative materials such as upholstery materials, wall covering materials, etc.
The thickness of the fiber nap that provides 1q of anti-algae, protective properties, and drag reduction effect at liquid and gas interfaces due to fluctuation phenomena, etc. is the single fiber Sf.
It is preferable that the i degree is thinner, specifically, it is preferably 1 denier or less, and more preferably 0.4 denier or less.

In particular, in order to noticeably obtain the dynamic behavior of the napped fibers such as air vibration, it is best to use single fibers with a fineness of 0.1 denier or less, particularly preferably ultrafine fibers with a fineness of 0.07 denier or less. is good.

As a method for producing ultrafine fibers as described above, for example, a method of obtaining ultrafine fibers from ultrafine fiber-generating conjugate fibers is preferable. More specifically, a method of IHing ultrafine fibers by using fibers such as peelable or splittable composite fibers and performing peeling and splitting ultrafine treatment using appropriate chemical or physical methods suitable for the fibers. , a method of obtaining ultrafine fibers by performing ultrafine treatment by removing one component of the conjugate fiber, a method of using elution type conjugate fibers, and the like are preferably used as appropriate, and are not particularly limited.

The film sheet (B) to be laminated with the raised fabric is preferably a film made of polyester, aromatic sulfide (PPS), polypropylene, polyethylene, polyamide, vinyl chloride, polystyrene, or a copolymer thereof. Furthermore, these biaxially stretched films are preferable in terms of strength, durability, and the like. The thickness of the film sheet is preferably in the range of 10 to 100 μm; if it is less than 10 μm, there will be a problem that the elongation of the laminate will increase;
If it exceeds μm, a problem arises in that the laminate becomes hard and difficult to handle.

The adhesive layer (C) is constructed using any adhesive capable of bonding the film to the non-napped surface of the napped fabric. However, when bonding, it is important to select an adhesive method and adhesive that will not affect the raised portions. That is, as the adhesive, thermoplastic resin-based adhesives, thermosetting resin-based adhesives, etc. can be used. Specifically, copolyester-based adhesives, polyester ether-based adhesives, acrylic acid-based adhesives, methacrylic acid-based adhesives, and urethane-based adhesives can be used. Adhesives include epoxy, polyamide, glycidyl methacrylate copolymer, etc. In particular, preferred examples of copolymerized polyester adhesives or urethane adhesives that have less influence on the raised portions, which is the aim of the present invention, are coated on film sheets and/or laminated with such adhesives. It is most effective to obtain an adhesive layer.

The thickness of the adhesive layer is preferably 10 to 75 μm,
The roughness is preferably 15 to 50 μm, more preferably 2
It is 0 to 30 μm. When the thickness of the adhesive layer exceeds 75 μm, the resulting laminate tends to become hard and difficult to handle, whereas when it is less than 10 μm, sufficient adhesive strength is generally not obtained. Note that weather resistant agents, heat resistant agents, coloring agents, and the like may be dispersed or blended in the resin used for the adhesive layer.

The above-mentioned thin l! In the laminate of maintenance blanket and film, typical examples of the lamination method that does not affect the raised part are exemplified in (1) and (2) below, but the lamination method is not limited to these. .

<1> An adhesive layer (C) is provided on one side of a biaxially stretched polyester film (B) by melt-extrusion laminating a copolymerized polyester.

The non-napped side of the napped fabric (A) is placed on this adhesive layer (C) surface, and a pair of rolls consisting of a heated roll and a non-heated roll are bonded under heat so that the film side contacts the heated roll part, and the laminated layer is laminated. Get a body.

(2) After coating one side of the polyester biaxially stretched film (B) with a urethane adhesive solution as an adhesive layer (C) and drying it in an oven to provide an adhesive layer, the above (1) The same method as above is used to obtain a laminate of a raised fabric and a film sheet.

Among these methods for adhering the film and the raised fabric, a method of thermal adhesion by heat fusion under heat and pressure is preferable because it has the best workability and adhesion. Examples of such processing devices include a calendar device, an iron press device, etc., but devices other than these can also be used as appropriate.

Furthermore, the material base fabric (D) to which the laminate of the raised fabric and the film sheet is attached refers to the following (1) to (4).

(1) Wall surfaces and chair base surfaces in the asset consolidation field.

(2) In the field of fishery materials, materials related to fishing such as buoys and markers, as well as equipment materials for ships, hulls, ports, etc., piping and distribution channels arranged in the sea, rivers, lakes, ports, etc. The interior and exterior surfaces of all materials related to various water-related equipment and items such as water distribution channels.

(3) Exterior walls for water slides, boats/yachts, surfing boards/windsurfing boards, water skis/jet skis, etc. in the marine leisure equipment field.

(4) The outer surface of vehicles that save energy on land, in the air, and in the air, such as airplanes and hang-glider cars.

The method of adhering the laminate of the raised fabric and film to the substrate of the above-mentioned materials is as follows: - A suitable adhesive such as polyester, Epoquin, acrylic, polyamide, silane, rubber, urea, etc. Various treatment agents such as melamine, resin coating agents, etc. may be applied to the film sheet (B) surface and/or the material substrate surface and bonded. When workability is taken into consideration, it is common to apply these adhesives to the material base surface as appropriate to adhere the laminate.

However, care must be taken to select an adhesive that does not cause the film to dissolve due to the solvent contained in the adhesive. If the adhesive is selected incorrectly, the film will tear or dissolve, causing the adhesive to penetrate into the base of the raised fabric, resulting in the fluttering and rustling phenomenon of the raised fabric, which is the intended purpose of the present invention, and the above-mentioned air leakage. This will affect marks, air vibration effects, etc., and the effect of the present invention will be lost.

[Examples] The present invention will be explained in detail below using Examples, but the present invention is not restricted or limited by these Examples.

The methods of measuring various characteristic values and evaluating the effects used in the explanation are as follows.

(1) Air mark effect: Air is blown onto the surface of the raised fabric attached to the material base,
For air blowing, when the mouth or fabric was moved relative to each other, it was determined with the naked eye whether or not traces of air blowing were visible.

Of course, you can erase it by stroking it with your hand.

(2) Air vibration effect: When air is blown at one point towards the naps on the surface of the raised fabric attached to the material base, the naps spread in all directions, but at that time, the naps clearly swayed like vibrations. The degree of the fluttering phenomenon was judged with the naked eye.

(3) Adhesive strength: Prepare a sample by dipping the end face of the laminate in an organic solvent such as ethyl acetate or chloroform and peeling off the interface between the film and the adhesive layer. Similarly, a sample is prepared in which the interface between the fabric and the adhesive layer is peeled off.

These samples were vacuum dried to completely remove the organic solvent.
Make a test piece for adhesion measurement.

The adhesive strength between a fabric and a film sheet is measured using the method specified in JIS K 6854-1977, and the size of the test piece is 2.5 cm wide x 12 cm long.
The peeling speed was 20 cm/min, and the peeling angle was 180°.

Items that were considered to have no strength problems were rated ○, items that seemed to have some problems were rated △, and items that seemed to have no problems at all were rated ×.

(4) Adhesive durability: using a Scotto type tester described in JIS L1096,
Width 2.5c17! A test piece with a length of 12 cm was rubbed 100 times, and this was used as a test piece for measuring adhesive strength, and the adhesive strength of the rubbed portion of the test piece was measured.

The ratio to the adhesive strength value of the test piece without rubbing is 80.
% or more adhesive durability Q, 80-50% △
, those with less than 50% were marked as x.

(5) Overall Judgment: An excellent method for attaching the ultra-fine napped fabric to a material base was rated ○, and a method with problems was rated X.

Example 1 Sea-island composite fiber with polyethylene terephthalate as the island component and polystyrene as the sea component (number of seats 223, island-to-sea ratio 60)
:40) was used as the pile yarn, 75 denier, 36 filament yarn was used as the ground warp yarn, and 150 denier, 48 filament yarn was used as the ground weft yarn. A 6 m long raised fabric was produced. The weaving density is 46 pile yarns/in.
, 92 pieces/in for ground warp threads, 104 threads/in for ground weft threads
It happened.

The fabric was passed through a pin tenter dryer at 180'C for dry heat setting, and then the sea component of the napped yarn was removed with trichlorethylene to obtain an ultrafine fiber napped fabric with a single yarn fineness of 0.01 denyl.

Thereafter, the fabric was placed in a jet dyeing machine with the nap facing in the opposite direction, and dyed under normal conditions. After staining, it was dehydrated using a centrifugal dehydrator and dried using a tumble dryer.

The fabric thus obtained was attached as a material base to a separately prepared plastic plate in the following manner, and the adhesive strength, adhesive durability, air mark, and air vibration characteristics were evaluated.

That is, as a method for attaching a raised fabric to a plastic flat plate, a copolymerized polyester (terephthalic acid/isophthalic acid/adipic acid (molar ratio (56/44), ethylene glycol/ 1,4 butanediol (molar ratio 32/68
) (melting point 112°C) 80% and polyethylene (density 0
．． 9233/aj, M I 4, 09/10m1
n) 20 wt% was fed into a melt extrusion laminator and melt extruded at 240°C. Next, the non-napped surface of the napped fabric was pressed onto the adhesive surface of the film, and then a calendar roll device was heated to 160° C., and the film surface was pressed so as to come into contact with the heating roll to obtain a laminate. Next, the laminate was coated with a commercially available water-soluble epoxy (Bunacol EX313, manufactured by Nagase Sangyo) on a plastic plate (3.8 g/TIi>1.), and the film side of the laminate was pressed onto it. , dried and glued.

The results of evaluating the characteristics of the thus obtained laminate are as follows:
As shown in Table 1, the unique surface effect of the ultrafine fiber napkin was not impaired, and both adhesive strength and adhesive durability were good, making it an excellent laminate. .

Comparative Example 1 A commercially available water-soluble epoxy (“
Bunacol "EX313, Nagase Sangyo ■) was applied to the non-napped side of the fabric, stuck on a plastic flat plate, and dried. The amount of epoxy deposited at this time was 10.5 g/Td.

As shown in Table 1, the product obtained in this way had no problems in terms of adhesive strength and adhesive durability, but the raised surface was rough and the air vibration effect and air mark effect of the ultrafine fiber raised fabric were inferior. This was not a preferred method for attaching a raised fabric to a material substrate.

Comparative Example 2 As a method of attaching the ultrafine fiber napped fabric used in Example 1 to a plastic flat plate, double-sided adhesive tape (manufactured by Chiban) was used.
was pasted on the entire surface of the plastic plate, and a raised fabric was manually pressed and adhered thereon.

As shown in Table 1, the product obtained in this way had excellent surface effects characteristic of ultrafine fiber napped fabrics, but had poor adhesion and
The adhesive durability was poor, and it was not a preferable method for attaching a raised fabric.

[Effects of the Invention] According to the method of the present invention as described above, the film prevents the adhesive from penetrating into the fabric.
It is possible to obtain a material having a napped structure in which the touch, air vibration, and air mark effects of the fine fibers are not impaired before and after attachment.

In addition, since it is made by making good use of a laminate of a raised fabric and a film, it is possible to easily and easily produce a material with a desired raised structure without causing wrinkles or walnuts in the fabric. can.

The material having a raised structure obtained by the method of the present invention is
It is used as a continuous material for wall coverings and upholstery, or as a material that reduces the drag between objects and liquids.
Or, as a material that has the effect of preventing the adhesion of algae and shellfish, whether it is freshwater, seawater, or brackish water, pumping of such water,
Linings of piping and gutters for drainage, water distribution, and water supply,
The surface of a ship's hull, the surface or groove of a boat/yacht, a surfing board, a windsurfing board, etc., the inner wall surface of a pipe or piping that conveys liquid, the surface of a diving suit, a competitive swimsuit, underwater gas/oil, etc. It can be effectively applied to a number of fields and articles, such as the surface of the trestle of excavation platforms, the surface of bridge piers, and the surface of mooring ropes and underwater cables.

Claims (2)

[Claims] (1) When producing a raised material having a large number of fine fibers with a raised length of 0.5 mm or more and 45 mm or less, and a raised density of 4000 or more fibers/cm^2 and 6 million fibers/cm^2 or less, the thickness 10-100μm film sheet (B)
An adhesive layer (C) is applied or/and laminated thereon, and the adhesive layer (C) connects the non-napped surface of the nuffed fabric (A) having napped with the napped length and napped density as described above and the film. The film sheet (B) side of the laminate is bonded to the sheet (B) to form a laminate, and the film sheet (B) side of the laminate is bonded to the material base (D).
1. A method for producing a material having a raised structure, the method comprising: pasting it on a material having a raised structure. (2) Claim No. 1 (1) characterized in that the fibers constituting the fine fiber naps are 1.0 denier or less.
) A method for producing a material having a raised structure as described in item 2.