JP5031917B1 - Manufacturing method of synthetic fiber materials - Google Patents

Abstract

[PROBLEMS] To wear excellent wear comfort, heat absorption, coolness and the like in sports and work sites exposed to high temperature and high heat, but conventionally known processing methods are in terms of quality and economy. It was insufficient.
[Means for Solving the Problems] The present inventors have solved the above-mentioned problems, and as a result of conducting research on practical application of a modification processing method of a synthetic fiber material that is gentle to the skin, the present inventors have given a water-soluble zirconium compound or a crosslinking agent. It has been found that heat-absorbing properties and coolness can be imparted to a synthetic fiber material by using a natural protein in combination with a water-soluble zirconium compound. As a result, it is possible to provide a synthetic fiber material that is extremely effective and comfortable as a wear when heat is generated or sweated, such as in an athlete or a work site exposed to high temperature and high heat.
[Selection figure] None

Description

  The present invention relates to a method for producing a synthetic fiber material that imparts functionality by imparting a water-soluble zirconium compound to the synthetic fiber material. More specifically, the present invention provides a synthetic fiber material with a water-soluble zirconium compound, or a combination of a resin-based crosslinking agent and a natural protein that are effective for a synthetic fiber material when a water-soluble zirconium compound is added. This is a method for producing a functional synthetic fiber material for the purpose of imparting heat absorption and coolness to the synthetic fiber material.

  In recent years, with the improvement of quality of life and increasing interest in environmental, safety and health issues, shape memory fibers, flame retardant and flame retardant fibers, UV shielding fibers, insect and mite fibers, antibacterial fibers and deodorant fibers Functional fibers such as high-texture and high-quality fibers, skin damage prevention fibers, and moist exothermic fibers have been developed one after another, attracting the attention of the textile industry. On the other hand, in order for the Japanese textile industry, which is being overwhelmed by China, to survive and coexist with China, it is considered indispensable to develop functional fibers with added value to the fibers. Development and practical application of this technology is extremely important for the survival of the Japanese textile industry.

  JP-A-2003-155669 (Patent Document 1) attaches a hydrophilic urethane resin, a hydrophilic polyester resin, or acrylic acid as a method for imparting a cool feeling by imparting endothermic properties to a synthetic fiber material. , A method of chemically bonding with a monomer or polymer such as acrylamide is described, and JP-A No. 2004-9949 (Patent Document 2) includes a polyhydric alcohol group-containing acrylate monomer and a water-soluble acrylate monomer. A method of using the included fiber modifying agent is disclosed. Furthermore, Japanese Patent Application Laid-Open No. 2007-84944 (Patent Document 3) discloses a method of imparting endothermic properties and refreshing feeling by using a polymer obtained by polymerizing PVA with vinylpyrrolidone.

  However, the modified processing methods described in these patent publications are modified such as using special chemicals, insufficient effects on synthetic fibers, and problems with washing durability. There are many problems with the quality of fibers and the economic efficiency. That is, problems such as high processing costs are pointed out because the process is complicated, the modified raw material is expensive, and the safety of the modified raw material remains unclear.

  On the other hand, as a processing method for imparting a zirconium compound to a fiber, a method for producing a functional synthetic fiber that imparts functionality to knead a synthetic fiber before spinning together with germanium ore finely pulverized to 1 μm or less is disclosed in JP-A-2005-299021. It is disclosed in the gazette (patent document 4).

  Furthermore, in JP 2007-56429 A (Patent Document 5), surface treatment is performed by spraying titanium, silicon, zirconium, etc. on synthetic fibers mixed and spun with radioactive minerals, thereby preventing contamination and preventing static electricity generation. A method for producing anion-generating fibers having the purpose of preventing skin inflammation and the like is disclosed. JP-A-2006-305304 (Patent Document 6) and JP-A-2004-57504 (Patent Document 7) also disclose similar functional fiber manufacturing methods. Japanese Patent No. 3193653 (Patent Document 8) discloses a processing method in which a mineral such as zircon ceramics is padded to a fabric together with a binder resin, and then dried and cured to bond these minerals to the fabric together with the resin. It is disclosed.

  The purpose of these functional fibers is to produce functional fibers aimed at promoting special health by generating negative ions in the air. The types of zirconium compounds to be added, their processing methods, and processing purposes are also listed here. It is an invention different from the invention.

JP 2003-155669 A Japanese Patent Laid-Open No. 2004-91949 JP 2007-84944 A Japanese Patent Laying-Open No. 2005-299021 JP 2007-56429 A JP 2006-305304 A JP 2004-57504 A Japanese Patent No. 3193653

  As mentioned above, patents for processing methods that impart endothermic properties to fibers to give a refreshing feeling have been published, but the methods described in these patents are more or less problematic in terms of quality, economy, safety, etc. Remains. This invention solves these subjects of a prior art, and makes it a subject to provide the manufacturing method of the functional synthetic fiber which provides heat absorption and a cool feeling to a synthetic fiber.

  The present inventors have developed a method for producing functional synthetic fibers that are excellent in the quality as innerwear, such as texture and wear comfort of processed products, washing resistance, processing effects, etc. As a result of promoting research, the three major synthetic fibers called polyester, polyamide, and polyacrylic fiber materials, or synthetic fiber materials such as polyurethane, polylactic acid, and acetate are treated with an appropriate amount of water-soluble zirconium compounds. Or by using a resin-based crosslinking agent and natural proteins effective for synthetic fiber materials at the same time as the treatment with the water-soluble zirconium compound or in the pre- or post-treatment of the zirconium treatment. It was found that a synthetic fiber material having good wearing comfort such as coolness, softness and texture can be produced. In particular, the present invention is optimal as a method for producing a textile material for sportswear that involves intense exercise, fever and sweating.

  The present invention provides a method for producing a synthetic fiber material characterized by applying a water-soluble zirconium compound to a fiber material composed of a single synthetic fiber or a synthetic fiber blend, union, knitted fabric or non-woven fabric (claim). 1) is provided.

  Here, as synthetic fibers, synthetic fibers called polyester fibers, polyamide fibers, and polyacrylic fibers, which are called three major synthetic fibers, can be cited as typical examples, but the present invention is also applied to other synthetic fibers. Can do. In addition, examples of the blended, woven, knitted and non-woven fabrics of synthetic fiber materials include combinations with other fiber materials including natural fibers, in addition to synthetic fiber materials alone.

  Applying and treating a water-soluble zirconium compound means that the fiber material and the water-soluble zirconium compound are brought into direct contact to provide the zirconium material on the fiber material. For example, a water-soluble zirconium compound is added. For example, a method of immersing the fiber material in a dyeing bath and heating it may be used. By this production method, it is possible to produce a synthetic fiber material excellent in endotherm and coolness. The water-soluble zirconium compound means a zirconium compound having a water solubility of 0.5% by weight or more, and preferably a water solubility of 3.0% by weight or more.

  The present invention is also characterized in that when a synthetic fiber material is treated with a water-soluble zirconium compound, it is treated with a resin-based crosslinking agent and water-soluble natural proteins in combination. A method for producing a synthetic fiber according to claim 1 (claim 2). Here, the synthetic fiber material means a fiber material composed of a single synthetic fiber or a synthetic fiber blend, union, knitted fabric, and non-woven fabric. The resin-based crosslinking agent means a resin-based crosslinking agent for synthetic fibers that reacts with the synthetic fiber material such as adhesion and crosslinking. By treating the resin-based cross-linking agent and water-soluble natural proteins in combination, a synthetic fiber material superior in heat absorption and coolness can be produced.

  In the present invention, the resin-based crosslinking agent (resin-based crosslinking agent for synthetic fibers) is one or more selected from the group consisting of aldehyde-based, epoxy-based, isocyanate-based and unsaturated carboxylic acid-based crosslinking agents. The method for producing a synthetic fiber material according to claim 2 (claim 3) is provided.

  Furthermore, in the present invention, the water-soluble natural protein is one or more selected from the group consisting of a plant protein and an animal protein. A method for producing a synthetic fiber material according to claim 4 (claim 4).

  In the present invention, the water-soluble zirconium compound further comprises a zirconium oxychloride, a zirconium hydroxide chloride, a zirconium sulfate, a zirconium nitrate, a zirconium phosphate, a zirconium carbonate, a zirconium acetate and a fatty acid zirconium, and a sodium salt, a potassium salt of these compounds, 5. The synthetic fiber according to claim 1, wherein the synthetic fiber is one or more selected from the group consisting of magnesium salt, lithium salt, magnesium salt, calcium salt, or ammonium salt. A method for producing a material (Claim 5) is provided.

  In the present invention, further, the synthetic fiber material may be one or more selected from the group consisting of polyester, polyamide, polyacryl, polylactic acid, polyurethane and polyacetate, or polyester, polyamide, polyacryl, polylactic acid and polyurethane. And any one or two or more selected from the group consisting of polyacetate and a fiber material containing a natural fiber material, a woven fabric, a knitted fabric, a knitted fabric, a non-woven fabric, and a composite fiber. The manufacturing method (Claim 6) of the synthetic fiber material of Claim 1 is provided.

  Furthermore, the present invention relates to a functional synthetic fiber material provided with endothermic and cool feeling produced by the method for producing a synthetic fiber material according to any one of claims 1 to 6. 7) is provided.

  According to the method for producing a synthetic fiber material of the present invention, it is possible to impart endotherm and coolness to the synthetic fiber material. By using the synthetic fiber material produced according to the present invention, it is possible to provide extremely effective and comfortable wear when heat generation and sweating are involved, such as sports athletes and work sites exposed to high temperature and high heat.

  Hereinafter, embodiments of the present invention will be described more specifically. However, the scope of the present invention is not limited to this embodiment, and various modifications can be made without departing from the spirit of the invention.

  As a specific implementation method of the present invention, for example, the following modes can be cited. First, polyester or nylon fabric is set using a wins dyeing machine, and 0.5 to 5% ow of defoaming agent or degassing agent and leveling agent are added in water with a bath ratio of 1:10 to 1:30. Add 1-10% owf of nonionic active agent or anionic activator such as dyeing agent, and further add 1-10% owf of water-soluble zirconium compound such as zirconium acetate solution at 100-150 ° C. while circulating. Heat-treat for 20 to 90 minutes. Next, the solution is cooled to 50 to 80 ° C. and drained, and then washed with water, soaped and washed by a conventional method.

  Instead of a wins-type dyeing machine, a jigger dyeing machine, a liquid dyeing machine, in the case of yarn or cotton, a cheese dyeing machine, an overmeier dyeing machine or the like can be used.

  In addition to the above-mentioned dip dyeing method, a pad dry cure method can be applied. In the case of the pad dry cure method, after using a water-soluble zirconium compound aqueous solution with a concentration of 1 to 10% by weight and squeezing by padding at a drawing rate of 60 to 80%, 100 to 150 ° C., more preferably 100 to 150 ° C. It may be dried at 120 ° C. and then cured at 140 to 180 ° C. for 5 minutes to 30 seconds.

  When a natural protein and a resinous crosslinking agent are used in combination, the natural protein is 1 to 5% owf, the resinous crosslinking agent is 1 to 20% owf, more preferably 5 to 20% owf, and the catalyst depends on the type of crosslinking agent May be treated in the same manner by adding 1 to 10% owf of a crosslinking catalyst.

  Examples of the water-soluble zirconium compound that can be used in the present invention include zirconium oxychloride, zircozole ZC, zircozole ZC-20, zircozole ZC-2, zirconium sulfate, zircozole ZN, zircozol AC-7, zircozole manufactured by Daiichi Elemental Chemical Co., Ltd. Specific examples include AC-20, zircozole acetate, zircozol ZA-20, zircozol ZA-30, zirconium stearate, zirconium octylate, silver zirconium phosphate, and the like.

The resin-based crosslinking agent (resin-based crosslinking agent for synthetic fibers) used in the present invention is a compound having at least two reactive functional groups, such as aldehydes, various epoxy compounds, isocyanate compounds, A crosslinking agent having a crosslinking function and a film-forming function such as saturated carboxylic acids can be applied. For example, unsaturated carboxylic acids such as acrylic acid, methacrylic acid, and maleic acid, aldehydes such as malondialdehyde, glutaraldehyde, terephthalaldehyde, and acrolein, a group —C (R) ═CH ₂ (where R is a hydrogen atom, a halogen atom) (Meth) acrylic acid alkyl ester having an alkyl group such as a methyl group and a carboxyl group formed by hydrolysis of the alkyl group in the ester moiety during the reaction.

  Specific examples of the epoxy-based crosslinking agent include ethylene glycol diglycidyl ether, polyethylene glycol diglycidyl ether, propylene glycol diglycidyl ether, polypropylene glycol diglycidyl ether, sorbitol polyglycidyl ether, polyglycerol polyglycidyl ether, diglycerol polyglycidyl. Examples thereof include glycidyl ethers such as ether, glycerol polyglycidyl ether, and trimethylolpropane polyglycidyl ether. The product names include Nagase ChemteX Denacol and Kyoeisha Chemical Epolite.

  Specific examples of the isocyanate-based crosslinking agent include 4-tolylene diisocyanate, methylene bisphenyl isocyanate, hexamethylene diisocyanate, and methylene bis-4-cyclohexyl isocyanate.

  Specific examples of natural proteins that can be used in the present invention include gelatin, collagen, silk fibroin, sericin, soybean protein, casein, and chitosan.

  The fiber material to be processed of the present invention can be applied to blended and woven fibers with natural fibers in addition to the three major synthetic fibers such as polyester, polyamide, and polyacryl. Not a problem. The synthetic fiber may contain polylactic acid, acetate fiber, and polyurethane fiber. The acrylic fiber may be a copolymer fiber with an acrylate such as methyl acrylate.

  The synthetic fiber-based fiber material processed and modified by the method of the present invention has excellent heat absorption and coolness. In addition, it becomes a functional fiber excellent in texture and wearing comfort, and is used as sportswear. An optimal texture is imparted, and a functional fiber excellent in strength and flexibility and excellent in repeated washing durability is obtained.

  EXAMPLES Hereinafter, the present invention will be described in detail with reference to examples, but the scope of the present invention is not limited to these examples. In the examples, parts and% mean parts by weight and% by weight.

Example 1
5 kg of 100% polyester satin fabric is set in a wins-type dyeing machine, and 100 kg of water is charged so that the bath ratio is 1:20. Then, while circulating the dough, add ALBEGAL FFA (CIBA, degassing agent) 1% owf, Nikka Sun Salt 7000 (Nikka Chemical Co., level dyeing agent) 3% owf, and zirconium acetate solution 3% owf. . The temperature is raised to 130 ° C. at 2 ° C./min and kept for 30 minutes. Next, the solution was slowly cooled to 80 ° C., drained, washed with water, soaped, washed with water and dried in a conventional manner.

  A 100% polyester satin fabric that has undergone only scouring treatment and the above-mentioned processed fabric are cut into 5 x 15 cm pieces, wound in the same manner on a temperature sensor, conditioned for 24 hours in a desiccator, and then wound by human hands As a result of grasping and measuring at the same time, the processed fabric of the present invention showed a maximum of 2 ° C. of heat absorption and coolness compared to the unprocessed fabric. This processed fabric maintained the same cool feeling after 20 washing cycles.

The endothermic property and coolness were measured by the following simple measurement method.
1) Absolutely dry the test product for 4 hours or more in an environment of 105 ° C or higher.
2) Wrap the dry-dried test article around the temperature sensor and connect it with a temperature measuring instrument (Ondotori TR-71U).
3) After connection, let it cool in a desiccator for more than 24 hours to adjust the humidity.
4) After standing to cool, the temperature measuring device is put into the REC state (a state where temperature measurement and recording can be performed), and the test product is held for 20 to 30 minutes while being held by hand (one point for each hand).
5) After holding, release the test product, release the REC state of the temperature measuring device, and evaluate the endothermic and coolness by the temperature when released.

Example 2
Nylon-6 5 kg of 100% taffeta dough was set in a wine dyeing machine and charged with 100 kg of water so that the bath ratio was 1:20. Add ALBEGAL FFA (CIBA, degassing agent) 1% owf, Nikka Sun Salt 7000 (Nikka Chemical Co., Ltd., leveling agent) 6% owf, and 6% owf of zirconium acetate solution. The temperature is raised to 135 ° C. at 2 ° C./min, and the heat is circulated for 30 minutes. Next, the solution was slowly cooled to 80 ° C., drained, washed with water, soaped, washed with water and dried in a conventional manner.

  Nylon-6 that has undergone only scouring treatment 100% taffeta fabric and the above processed fabric are cut into 5x15cm each, wound around the temperature sensor in the same way, after conditioning for 24 hours in a desiccator, by human hands As a result of simultaneously grasping and measuring the wound fabric, the processed fabric of the present invention had a maximum of 1.8 ° C. of heat absorption and coolness compared to the unprocessed fabric. This processed fabric maintained the same cool feeling after 20 washing cycles.

Example 3
Nylon-6 5 kg of 100% taffeta dough was set in a wine dyeing machine and charged with 100 kg of water so that the bath ratio was 1:20. ALBEGAL FFA (CIBA, degassing agent) 1% owf, Nikka Sun Salt 7000 (manufactured by Nikka Chemical Co., Ltd., leveling agent) 6% owf, fish collagen (manufactured by Asahi Chemical Industry Co., Ltd., natural proteins) 2 % Owf, 6% owf of a zirconium acetate solution, 10% owf of Epolite 40E (manufactured by Kyoeisha Chemical Co., Ltd., epoxy resin-based crosslinking agent), 3% owf of zinc borofluoride and 3% owf of formic acid are added as catalysts. The temperature is raised to 130 ° C. at 2 ° C./min and kept for 60 minutes. Next, the solution was slowly cooled to 80 ° C., drained, washed with water, soaped, washed with water and dried in a conventional manner.

  Nylon-6 that has undergone only scouring treatment 100% taffeta fabric and the above processed fabric are cut into 5x15cm each, wound around the temperature sensor in the same way, after conditioning for 24 hours in a desiccator, by human hands As a result of grasping and measuring the wound dough at the same time, the processed fabric of the present invention has a maximum of 2 ° C. of heat absorption and coolness compared to the unprocessed fabric. This processed fabric maintained the same cool feeling after 20 washing cycles.

Claims (6)

A fiber material composed of a single synthetic fiber or a synthetic fiber blend, union, knitted fabric or non-woven fabric is immersed in a dyeing bath to which a water-soluble zirconium compound is added, heated at 100 to 150 ° C., and resin-based crosslinked 1-20% owf of the agent and 1-5% owf of the water-soluble natural protein are used in combination, and the fiber material or the blended, woven, knitted or non-woven fabric is treated with a water-soluble zirconium compound. A method for producing a synthetic fiber material. The resin-based crosslinking agent (resin-based crosslinking agent for synthetic fibers) is one or more selected from the group consisting of aldehyde-based, epoxy-based, isocyanate-based and unsaturated carboxylic acid-based crosslinking agents. The method for producing a synthetic fiber material according to claim 1 . The synthetic fiber material according to claim 1 or 2 , wherein the water-soluble natural protein is one or more selected from the group consisting of plant protein and animal protein. Manufacturing method. The water-soluble zirconium compound is an acid chloride, a zirconium hydroxide, a zirconium sulfate, a zirconium nitrate, a zirconium phosphate, a zirconium carbonate, a zirconium acetate and a fatty acid zirconium, and sodium, potassium, magnesium, and lithium salts of these compounds, The method for producing a synthetic fiber material according to any one of claims 1 to 3, wherein the synthetic fiber material is one or more selected from the group consisting of a magnesium salt, a calcium salt, and an ammonium salt. The synthetic fiber material is selected from the group consisting of polyester, polyamide, polyacryl, polylactic acid, polyurethane and polyacetate, or a group consisting of polyester, polyamide, polyacryl, polylactic acid, polyurethane and polyacetate. The synthetic material according to any one of claims 1 to 4, wherein the synthetic material is one selected from the group consisting of two or more types and a fiber material containing a natural fiber material, union, knitted fabric, non-woven fabric, and composite fiber. Manufacturing method of fiber material. A functional synthetic fiber material imparted with heat absorption and coolness produced by the method for producing a synthetic fiber material according to any one of claims 1 to 5 .