WO2015115118A1 - 有機繊維用接着剤組成物および有機繊維の処理方法 - Google Patents
有機繊維用接着剤組成物および有機繊維の処理方法 Download PDFInfo
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- WO2015115118A1 WO2015115118A1 PCT/JP2015/000468 JP2015000468W WO2015115118A1 WO 2015115118 A1 WO2015115118 A1 WO 2015115118A1 JP 2015000468 W JP2015000468 W JP 2015000468W WO 2015115118 A1 WO2015115118 A1 WO 2015115118A1
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- organic fibers
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- adhesive composition
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/55—Epoxy resins
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/35—Heterocyclic compounds
- D06M13/352—Heterocyclic compounds having five-membered heterocyclic rings
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
- D06M15/41—Phenol-aldehyde or phenol-ketone resins
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/693—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
- B60C2009/0035—Reinforcements made of organic materials, e.g. rayon, cotton or silk
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/395—Isocyanates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
- D06M2101/36—Aromatic polyamides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G1/00—Driving-belts
- F16G1/04—Driving-belts made of fibrous material, e.g. textiles, whether rubber-covered or not
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G1/00—Driving-belts
- F16G1/06—Driving-belts made of rubber
- F16G1/08—Driving-belts made of rubber with reinforcement bonded by the rubber
- F16G1/10—Driving-belts made of rubber with reinforcement bonded by the rubber with textile reinforcement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/02—Hoses, i.e. flexible pipes made of fibres or threads, e.g. of textile which may or may not be impregnated, or provided with an impermeable layer, e.g. fire-hoses
Definitions
- the present invention relates to an organic material for bonding organic fibers to rubber used for manufacturing organic fibers used for reinforcing rubber products such as tires, various hoses, timing belts, conveyor belts, belts such as V-belts.
- the present invention relates to a fiber adhesive composition and a method for treating organic fibers.
- Organic rubber such as polyester fiber is used as a reinforcing material for rubber used for tires, various hoses, timing belts, conveyor belts, belts such as V-belts.
- aqueous treatment agent based on epoxy resin and blocked isocyanate to polyester fibers, etc.
- immersion in an aqueous treatment agent has been performed ( Patent Document 1).
- the blocked isocyanate needs to be an aqueous dispersion for use in aqueous processing agents, but because it is a dispersion, it is easy to settle and aggregate.
- blocked isocyanate adheres and solidifies (especially, squeezing roll) (so-called “gum-up”), it is necessary to stop the production line each time and remove the adhered and solidified product, resulting in deterioration of processing efficiency. It was.
- the blocked isocyanate exists as a dispersion in the aqueous processing agent, it is difficult to uniformly apply it to the organic fiber, and it is necessary to use an excessive amount of the processing agent in order to obtain a stable adhesive force. There was a cost increase.
- an object of the present invention is to provide an organic fiber adhesive composition that is less likely to cause sedimentation and aggregation, that is easy to manage chemicals, and that has a stable high adhesive force.
- the first of the present invention relates to an organic fiber adhesive composition containing an epoxy resin and a water-soluble curing agent.
- the water-soluble curing agent is an imidazole compound or a carboxylate compound.
- the organic fiber is a polyester fiber or an aramid fiber.
- 2nd of this invention is related with the processing method of an organic fiber including the process of (1) and (2) below.
- RTL resorcin / formalin / rubber latex
- the organic fiber is a polyester fiber or an aramid fiber. .
- the third aspect of the present invention relates to an organic fiber treated by the above treatment method.
- the fourth aspect of the present invention relates to a tire, hose or belt using an organic fiber treated by the above treatment method.
- the present invention provides an adhesive composition for organic fibers that is less likely to cause sedimentation and aggregation, is easy to manage chemicals, has a stable high adhesive force, and a method for treating organic fibers using the adhesive composition for organic fibers. To do. Moreover, the organic fiber which can be used as a reinforcing material of a rubber article from having a high adhesive force with respect to the rubber article is provided.
- the organic fiber adhesive composition of the present invention includes an epoxy resin and a water-soluble curing agent.
- Epoxy resin used in the present invention is an epoxy compound having two or more epoxy groups in the molecule.
- ethylene glycol glycidyl ether, glycerol polyglycidyl ether, diglycerol polyglycidyl ether, sorbitol polyglycidyl ether, and polyglycerol polyglycidyl ether are preferable because of their high water solubility.
- the concentration of the epoxy resin in the present invention is preferably 0.5 to 10% by weight in the solution or dispersion, and more preferably 0.7 to 5% by weight. This is because if it is less than 0.5% by weight, the adhesive strength is lowered, and if it exceeds 10% by weight, the epoxy resin is gelled and causes gum up and the like.
- Water-soluble curing agent used in the present invention is not particularly limited as long as it has water solubility and can proceed with the curing reaction of the epoxy resin.
- water-soluble means that 1% by mass or more dissolves in water at room temperature and normal pressure.
- the content of the water-soluble curing agent used in the present invention is preferably 1 to 300 parts by weight and more preferably 5 to 100 parts by weight with respect to 100 parts by weight of the epoxy resin. If the amount is less than 1 part by weight, the reaction may be insufficient and the adhesive force may be reduced. If the amount exceeds 300 parts by weight, the curing agent may be excessive and the crosslinking density may be reduced.
- water-soluble curing agent examples include 2-methylimidazole, 1,2-dimethylimidazole, 2-ethyl-4-methylimidazole, 1-cyanoethyl-2-methylimidazole, 1-cyanoethyl-2-un.
- Decylimidazole 1-cyanoethyl-2-ethyl-4-methylimidazole, 1-cyanoethyl-2-phenylimidazole, 1-cyanoethyl-2-phenylimidazolium trimellitate, 2,4-diamino-6- [2'- Water-soluble such as methylimidazolyl- (1 ′)]-ethyl-s-triazine, 2,4-diamino-6- [2′-ethyl-4′-methylimidazolyl- (1 ′)]-ethyl-s-triazine
- Imidazole compounds imidazolines such as 2-phenylimidazoline, phthalic acid, isophthalic acid, terephthalic , Trimellitic acid, pyromellitic acid, naphthalenedicarboxylic acid, p-oxybenzoic acid, dioxybenzoic acid, trioxybenzoic acid, benzoic acid, methyl salicylic
- 2-methylimidazole, 2-ethylimidazole, 2-ethyl-4-methylimidazole, 1-cyanoethyl-2-methyl-imidazole, 1-cyanoethyl-2-ethyl are highly soluble in water.
- -4-Methyl-imidazole is preferred. These can be used alone or as a mixture of two or more.
- the content of the water-soluble curing agent used in the present invention is preferably 1 to 50 parts by weight and more preferably 3 to 20 parts by weight with respect to 100 parts by weight of the epoxy resin. If the amount is less than 1 part by weight, curing may be insufficient. If the amount exceeds 50 parts by weight, the imidazole compound may remain and the adhesive strength may be reduced.
- the carboxylate compound is a salt compound composed of a carboxylic acid and a metal.
- a carboxylate compound When a carboxylate compound is used, it may be a partial salt or a complete salt, and an acid anhydride may be hydrolyzed in a treatment bath.
- the partial salt is a salt obtained by neutralizing a part of the carboxylic acid group of the carboxylic acid compound
- the complete salt is a salt obtained by neutralizing all the carboxylic acid groups of the carboxylic acid compound. It is.
- carboxylate compound has good heat resistance
- isophthalate compound, terephthalate compound, trimellitic acid salt compound, pyromellitic acid salt compound, p-oxybenzoate compound, dioxybenzoate compound, Trioxybenzoate compounds, benzoate compounds, methyl salicylate compounds, oxyphthalate compounds, dioxyphthalate compounds, and oxyterephthalate compounds are preferred.
- a sodium salt and potassium salt are preferable. These can be used alone or as a mixture of two or more.
- the content of the water-soluble curing agent used in the present invention is preferably 1 to 300 parts by weight and more preferably 10 to 150 parts by weight with respect to 100 parts by weight of the epoxy resin. If the amount is less than 1 part by weight, the crosslinked structure may be insufficient. If the amount exceeds 300 parts by weight, the carboxylic acid compound may remain and the adhesive strength may decrease.
- the organic fiber adhesive composition according to the present invention is preferably water-based, that is, contains water or a solvent containing water as a main component. These dissolve the water-soluble curing agent and function as a solvent in the reaction system of the epoxy resin and the water-soluble curing agent.
- the organic fiber adhesive composition according to the present invention may contain the following optional components as necessary within the range not hindering the objects and effects of the present invention.
- Optional components include resins copolymerizable with epoxy resins, curing agents other than water-soluble curing agents, organic thickeners, antioxidants, light stabilizers, adhesion improvers, reinforcing agents, softeners, colorants, Examples include leveling agents, flame retardants, antistatic agents, antifoaming agents, and rubber latex.
- Examples of the resin copolymerizable with the epoxy resin include polyvinyl alcohol (PVA), an aqueous acrylic resin, and an aqueous polyurethane resin.
- PVA polyvinyl alcohol
- acrylic resin aqueous acrylic resin
- polyurethane resin aqueous polyurethane resin
- curing agent other than the water-soluble curing agent examples include those generally used as curing agents for epoxy resins such as modified polyamines, polyamide resins, polymercaptan resins, polysulfide resins and the like.
- the method for treating organic fibers of the present invention comprises a step of treating organic fibers with the adhesive composition for organic fibers of the present invention as a first treating agent, and resorcinol / formalin / rubber latex treated with the first treating agent.
- a step of treating with a second treating agent containing (RFL) is included.
- the organic fiber adhesive composition of the present invention When using the organic fiber adhesive composition of the present invention as the first treating agent, it is preferable to prepare it by dissolving an epoxy resin and a water-soluble curing agent in water.
- the total solid concentration of the first treating agent is preferably 1 to 20% by weight, more preferably 2 to 10% by weight. If the amount is less than 1% by weight, the amount of adhesion may be insufficient, and sufficient adhesion may be obtained. If the amount exceeds 30% by weight, the amount of the component of the first treatment agent on the organic fiber is excessively increased. This is because the obtained fiber may become too hard, or a gel may be generated in the fiber or the processing apparatus.
- the second treating agent is a composition containing resorcin / formalin / rubber latex (RFL).
- Resorcin / formalin / rubber latex can be prepared by mixing and aging an initial condensate of resorcin / formalin and rubber latex.
- the initial condensate of resorcin and formalin is obtained by condensing a resorcinol monomer and a formaldehyde monomer by reacting in water in the presence of an acidic catalyst such as hydrochloric acid or sulfuric acid, an alkali metal hydroxide such as sodium hydroxide, or ammonia. Is obtained.
- the molar ratio of resorcinol monomer to formaldehyde monomer is preferably 1: 0.1 to 1: 8, more preferably 1: 0.5 to 1: 5, and even more preferably 1: 1 to 1: 4. .
- the rubber latex natural rubber latex, styrene / butadiene copolymer latex, styrene / butadiene / vinylpyridine copolymer latex, or the like can be used.
- the ratio of the initial condensate of resorcin / formalin to the rubber latex is preferably 1: 1 to 1:15, more preferably 1: 3 to 1:12 in terms of solid content. .
- styrene / butadiene / vinylpyridine copolymer latex is preferable because high adhesive strength can be obtained with respect to natural rubber or SBR (styrene butadiene rubber).
- the initial condensate of resorcin and formalin can contain a resorcin monomer, a formaldehyde monomer, a trace amount of a molecular weight modifier (for example, calcium chloride), a solvent (for example, MEK: methyl ethyl ketone), and the like.
- a molecular weight modifier for example, calcium chloride
- a solvent for example, MEK: methyl ethyl ketone
- the total solid concentration of the second treating agent is preferably 5 to 50% by weight, more preferably 10 to 35% by weight. If it is less than 5% by weight, the amount of the component of the second treatment agent attached to the organic fiber is small, and sufficient adhesive force may not be obtained. If it exceeds 50% by weight, the resulting fiber becomes hard, This is because the bending fatigue strength may be low.
- rubber latex In addition to the initial condensate of resorcin and formalin, rubber latex, a vulcanization modifier, zinc white, antioxidant, etc. may be added to the second treating agent.
- the treatment of the organic fiber with the first treatment agent is a treatment performed to adhere the first treatment agent to the organic fiber, application using a roller, spraying from a nozzle, bath liquid (first Any method such as immersion in a treating agent) can be used.
- the organic fiber to which the first treatment agent is adhered may be dried at 100 to 250 ° C. for 1 to 5 minutes, and then heat-treated at 150 to 250 ° C. for 1 to 5 minutes. .
- the latter heat treatment is preferably performed at 180 to 240 ° C. for 1 minute. If the heat treatment temperature is too low, the adhesive strength may be insufficient, and if it is too high, the organic fibers deteriorate and cause a decrease in strength. Sometimes.
- the amount of adhesion of the first treatment agent to the organic fiber is preferably 0.1 to 10% by weight based on the solid content in order to prevent the resulting fiber from becoming too hard while obtaining a sufficient adhesive force. 1 to 7% by weight is preferred.
- treating the organic fiber with the second treating agent is a treatment performed for attaching the second treating agent to the organic fiber treated with the first treating agent, and treating the organic fiber with the first treating agent.
- the same means and conditions can be used.
- the amount of adhesion of the second treatment agent to the organic fiber is preferably 0.1 to 10% by weight based on the solid content in order to prevent the resulting fiber from becoming too hard while obtaining sufficient adhesive strength. 0.5 to 5% by weight is preferred.
- Both the step of treating organic fibers with the first treatment agent and the step of treating organic fibers with the second treatment agent are performed by squeezing with a pressure roller, scraping with a scraper, etc.
- Means such as blowing off by spraying, suction, and hitting with a beater may be further employed.
- the adhesive composition for organic fibers according to the present invention is generally used as a reinforcing cord for tires, hoses, belts, etc., for example, nylon fibers, rayon fibers, vinylon fibers, polyethylene terephthalate (PET), polyethylene naphthalate (PEN) can be used for organic fibers such as polyester fibers, aramid fibers, and polyurethane fibers.
- nylon fibers rayon fibers, vinylon fibers, polyethylene terephthalate (PET), polyethylene naphthalate ( PEN)
- PET polyethylene naphthalate
- PEN polyurethane fibers
- the organic fiber treated by the organic fiber treatment method according to the present invention has excellent adhesion with respect to the adhesion between the rubber and the organic fiber.
- the conventional method is relatively difficult to adhere to the rubber, and
- polyester fibers or aramid fibers are preferably used because the resulting fibers have excellent mechanical strength.
- the organic fiber according to the present invention may be in the form of filament yarn, cord, woven fabric, woven fabric or the like.
- polyester fibers examples include melt spinning of polyethylene terephthalate having a yarn viscosity of 0.95, and drawing and drawing 1500 denier multifilaments each 40 times / 10 cm. The same number of twists in the opposite direction can be used.
- an aromatic polyamide multifilament having a display fineness of 1500 denier and a filament number of 1000 was applied 35 times / 10 cm each, and then these two twisted cords were combined. The same number of upper twists in the opposite direction to the lower twist can be used.
- part or % means “part by weight” or “% by weight”, respectively, unless otherwise specified.
- Example 1 As an epoxy resin, 45 g of EX-614B (manufactured by Nagase ChemteX Corporation, sorbitol polyglycidyl ether) was added to 950 g of water while stirring, and 5 g of 2-ethyl-4-methylimidazole was added thereto as a water-soluble curing agent. An organic fiber adhesive composition as a first treating agent was prepared.
- a polyester cord (1500 denier, 2 twists, lower twist 40 times / 10 cm, upper twist 40 times / 10 cm) is dipped in the first treatment agent, dried at 150 ° C. for 130 seconds, and subsequently Heat treatment was performed at 240 ° C. for 130 seconds. Subsequently, after being immersed in the second treating agent, it was dried at 150 ° C. for 130 seconds, and subsequently heat treated at 240 ° C. for 70 seconds.
- the treated polyester cord is embedded in unvulcanized rubber mainly composed of natural rubber, press vulcanized at 150 ° C. for 30 minutes, and then polyester cord.
- unvulcanized rubber mainly composed of natural rubber
- press vulcanized at 150 ° C. for 30 minutes and then polyester cord.
- the results are shown in Table 2.
- Example 2 As an epoxy resin, 29 g of EX-313 (manufactured by Nagase ChemteX Corporation, glycerol polyglycidyl ether) is added to 950 g of water with stirring, and 21 g of sodium terephthalate is added as a water-soluble curing agent thereto as a first treatment agent. An organic fiber adhesive composition was prepared.
- Example 3 As an epoxy resin, 29 g of EX-313 (manufactured by Nagase ChemteX Corporation, glycerol polyglycidyl ether) is added to 950 g of water while stirring, and 21 g of sodium phthalate is added as a water-soluble curing agent thereto as a first treatment agent. An organic fiber adhesive composition was prepared.
- Example 4 As an epoxy resin, 29 g of EX-512 (manufactured by Nagase ChemteX Corporation, polyglycerol polyglycidyl ether) is added to 950 g of water while stirring, and 21 g of sodium trimellitic acid is added as a water-soluble curing agent to the first treatment. An organic fiber adhesive composition as an agent was prepared.
- the organic fiber adhesive composition using the water-soluble curing agent is very stable with no sedimentation compared to the case of using blocked isocyanate (Comparative Example 1). .
- the adhesive composition for organic fibers using the water-soluble curing agent has higher adhesive force and excellent adhesiveness than when the blocked isocyanate is used (Comparative Example 1).
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Epoxy Resins (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
(1)第一処理剤として前記の有機繊維用接着剤組成物で有機繊維を処理する工程;および(2)第一処理剤で処理した有機繊維をレゾルシン・ホルマリン・ゴムラテックス(RFL)を含む第二処理剤で処理する工程。
本発明に用いられるエポキシ樹脂は、エポキシ基を分子中に2官能以上有するエポキシ化合物である。
本発明に用いられる水溶性硬化剤は、水溶性を有し、エポキシ樹脂の硬化反応を進められるものであれば、特に限定されない。本発明において、水溶性とは、常温常圧下で水に1質量%以上溶解することを目安とする。
本発明に係る有機繊維用接着剤組成物は、水系であること、すなわち水または水を主成分とする溶媒を含んでいることが好ましい。これらは、水溶性硬化剤を溶解し、エポキシ樹脂および水溶性硬化剤の反応系における溶媒として機能する。
本発明の有機繊維の処理方法は、第一処理剤として本発明の有機繊維用接着剤組成物で有機繊維を処理する工程、および第一処理剤で処理した有機繊維をレゾルシン・ホルマリン・ゴムラテックス(RFL)を含む第二処理剤で処理する工程を含むことを特徴とする。
本発明に係る有機繊維用接着剤組成物は、タイヤ、ホース、ベルト等の補強コードとして通常使用されるもの、例えば、ナイロン繊維、レーヨン繊維、ビニロン繊維、ポリエチレンテレフタレート(PET)、ポリエチレンナフタレート(PEN)等のポリエステル繊維、アラミド繊維、ポリウレタン繊維等の有機繊維に使用することができる。
本発明に係る有機繊維は、フィラメント糸,コ-ド,織物、織布などの形態のいずれであってもよい。
本発明に係る有機繊維用接着剤組成物により処理された有機繊維をタイヤ、ホースまたはベルトに用いることにより、耐破壊特性、耐疲労性および耐久性を向上させることができる。
エポキシ樹脂として、EX-614B(ナガセケムテックス株式会社製、ソルビトールポリグリシジルエーテル)45gを水950gに攪拌しながら加え、そこへ水溶性硬化剤として、2-エチル-4-メチルイミダゾール5gを加え、第一処理剤としての有機繊維用接着剤組成物を調製した。
調製した第一処理剤としての有機繊維用接着剤組成物をガラス管に入れ、目視により処理剤の外観の経時変化(調整直後、調製から1時間後、その後さらに1時間毎に5時間後まで)を確認し、沈降の度合いをもって安定性を評価した。
評価は以下の通りとし、結果は表1に示した。
○:沈降が確認されない。 △:僅かに沈降が確認される。 ×:多量の沈降物が確認される。
ゴムラテックスとして、ニッポール2518FS(日本ゼオン株式会社製、ビニルピリジン・スチレン・ブタジエンターポリマー水乳化液、全固形分濃度40.5%)172gおよびニッポールLX-112(日本ゼオン株式会社製、スチレン・ブタジエンコポリマー41%水乳化液、全固形分濃度40.5%)73gを水76gで希釈し、この希釈液の中にレゾルシン・ホルマリンとして、レゾルシン・ホルマリン初期縮合分散液270g(レゾルシンとホルムアルデヒドのモル比は、1:1.5、全固形分濃度6.5%)をゆっくりかきませながら加え、RFL液を調製した。得られたRFL液を水591gで希釈し、第二処理剤(全固形分濃度10%)とした。
エポキシ樹脂として、EX-313(ナガセケムテックス株式会社製、グリセロールポリグリシジルエーテル)29gを水950gに攪拌しながら加え、そこへ水溶性硬化剤として、テレフタル酸ナトリウム21gを加え、第一処理剤としての有機繊維用接着剤組成物を調製した。
エポキシ樹脂として、EX-313(ナガセケムテックス株式会社製、グリセロールポリグリシジルエーテル)29gを水950gに攪拌しながら加え、そこへ水溶性硬化剤として、フタル酸ナトリウム21gを加え、第一処理剤としての有機繊維用接着剤組成物を調製した。
エポキシ樹脂として、EX-512(ナガセケムテックス株式会社製、ポリグリセロールポリグリシジルエーテル)29gを水950gに攪拌しながら加え、そこへ水溶性硬化剤として、トリメリット酸ナトリウム21gを加え、第一処理剤としての有機繊維用接着剤組成物を調製した。
エポキシ樹脂として、EX-313(ナガセケムテックス株式会社製、グリセロールポリグリシジルエーテル)13gを水950gに攪拌しながら加え、そこへブロック化イソシアネートとしてε-カプロラクタムブロックジフェニルメタンジイソシアネート水分散体(全固形分濃度50.5%)37gを加え、第一処理剤としての有機繊維用接着剤組成物を調製した。
Claims (7)
- エポキシ樹脂及び水溶性硬化剤を含む有機繊維用接着剤組成物。
- 前記水溶性硬化剤がイミダゾール化合物またはカルボン酸塩化合物である、請求項1に記載の有機繊維用接着剤組成物。
- 前記有機繊維がポリエステル繊維またはアラミド繊維である、請求項1または2に記載の有機繊維用接着剤組成物。
- 以下(1)および(2)の工程を含む、有機繊維の処理方法。
(1)第一処理剤として請求項1または2に記載の有機繊維用接着剤組成物で有機繊維を処理する工程;および
(2)第一処理剤で処理した有機繊維をレゾルシン・ホルマリン・ゴムラテックス(RFL)を含む第二処理剤で処理する工程。 - 前記有機繊維がポリエステル繊維またはアラミド繊維である、請求項4に記載の有機繊維の処理方法。
- 請求項4または5に記載の処理方法により処理された有機繊維。
- 請求項6に記載の有機繊維を用いたタイヤ、ホースまたはベルト。
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EP15743190.9A EP3103915A4 (en) | 2014-02-03 | 2015-02-03 | Adhesive composition for organic fibers, and method for treating organic fibers |
CN201580003450.9A CN105874118B (zh) | 2014-02-03 | 2015-02-03 | 有机纤维用粘合剂组成物以及有机纤维的处理方法 |
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WO2018003570A1 (ja) * | 2016-06-30 | 2018-01-04 | ナガセケムテックス株式会社 | 有機繊維処理組成物及び有機繊維の処理方法 |
JP7433693B1 (ja) | 2022-03-31 | 2024-02-20 | 明成化学工業株式会社 | ゴム補強用繊維処理剤、ゴム補強用繊維処理剤キット及びゴム補強用繊維の製造方法 |
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JP6652678B1 (ja) * | 2018-10-12 | 2020-02-26 | 三ツ星ベルト株式会社 | 摩擦伝動ベルトおよびその製造方法 |
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JP7433693B1 (ja) | 2022-03-31 | 2024-02-20 | 明成化学工業株式会社 | ゴム補強用繊維処理剤、ゴム補強用繊維処理剤キット及びゴム補強用繊維の製造方法 |
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CN105874118A (zh) | 2016-08-17 |
JP2015145544A (ja) | 2015-08-13 |
EP3103915A1 (en) | 2016-12-14 |
US20170167076A1 (en) | 2017-06-15 |
JP6402888B2 (ja) | 2018-10-10 |
EP3103915A4 (en) | 2017-10-18 |
CN105874118B (zh) | 2018-12-21 |
KR20160108302A (ko) | 2016-09-19 |
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