JP7435400B2 - Water dispersion composition for textile processing - Google Patents

Description

The present invention relates to an aqueous dispersion composition for textile processing.

BACKGROUND ART Conventionally, in order to impart various functions such as water repellency and stain resistance to fibers, fibers have often been processed using various fiber processing agents.

For example, to impart water repellency to fibers, treatment with a water repellent is generally used. Fluorine-based water repellents containing fluorine atoms are particularly well known as water repellents, and by treating textile products with such fluorine-based water repellents, textile products can be made water repellent on their surfaces. It has been known.

The above-mentioned fluorine-based water repellent is generally produced by polymerizing or copolymerizing a monomer having a fluoroalkyl group. Although textile products treated with fluorine-based water repellents exhibit excellent water repellency, monomers having fluoroalkyl groups are difficult to decompose, which poses environmental problems.

Therefore, in recent years, research has been progressing on non-fluorine water repellents that do not contain fluorine atoms. For example, Patent Document 1 proposes a water repellent made of a specific fluorine-free polymer containing a (meth)acrylic acid ester having 12 or more carbon atoms in the ester moiety as a monomer unit. Moreover, Patent Document 2 proposes a water-softening agent containing an amino-modified silicone and a polyfunctional isocyanate compound. However, fibers treated with these water repellents have a problem in that the frictional resistance between the fibers is extremely small, resulting in a decrease in slip-off properties (ability to prevent seams from shifting during wear in clothing, etc.). was there. Furthermore, since the processed fibers tend to become hard, their texture was not satisfactory. Furthermore, when the processed fibers are bent or rubbed, the water repellent coating on the fibers cracks or peels off, resulting in so-called chalk marks, which become white due to diffuse reflection of light, which greatly impairs the appearance. There were also some problems.

Further, as another example of imparting functionality to fibers, antifouling processing can be mentioned. Conventionally, various antifouling processing means have been proposed in order to prevent dirt from adhering to fibers or to make it easier to remove adhering dirt.

The above-mentioned antifouling treatment includes, for example, non-fluorine-based SG (Soil Guard) treatment, which coats the fiber surface with a stain-resistance imparting agent such as a silicone-based finishing agent. Are known. By applying this SG processing to the fibers, liquid stains are less likely to adhere to the fiber surfaces. However, in such SG processing, since the frictional resistance between the fibers is reduced, similar to the above-mentioned water-repellent processing, there is a problem that the sliding properties of the fibers are reduced and the texture is also poor.

Patent Document 3 proposes an antifouling agent that has excellent SG properties by attaching polysaccharide and modified organosilicate fine particles to a fiber material. However, no consideration is given to the slipperiness and texture of the fibers.

Japanese Patent Application Publication No. 2006-328624 Japanese Patent Application Publication No. 2004-059609 Japanese Patent Application Publication No. 2014-122435

The present invention was made in view of the above-mentioned circumstances, and it provides a fiber that has excellent sliding properties, texture, and chalk mark resistance without impairing the functions provided by the fiber processing agent such as water repellency, durable water repellency, and stain resistance. It is an object of the present invention to provide an aqueous dispersion composition for fiber processing, from which a product can be obtained.

As a result of extensive studies, the inventors of the present invention have found that the above problem can be solved by using a composition in which a rosin resin is dispersed in water using a nonionic surfactant. That is, the present invention relates to the following aqueous dispersion composition for fiber processing.

1. An aqueous dispersion composition for fiber processing containing a rosin resin (A) and a nonionic surfactant (B).

2. The aqueous dispersion composition for fiber processing according to item 1 above, wherein the softening point of component (A) is 80 to 180°C.

3. The aqueous dispersion composition for fiber processing according to item 1 or 2 above, wherein component (A) is a rosin ester.

4. The aqueous dispersion composition for fiber processing according to any one of items 1 to 3 above, wherein the component (B) has an HLB of 7 to 19.

5. The aqueous dispersion composition for fiber processing according to any one of items 1 to 4 above, which is used for polyester fibers.

6. The aqueous dispersion composition for fiber processing according to any one of items 1 to 4 above, which is used for polyamide fibers.

7. The aqueous dispersion composition for textile processing according to any one of items 1 to 4 above, which is used for cotton.

According to the aqueous dispersion composition for fiber processing of the present invention, when used in combination with a fiber processing agent, it does not impair the functions provided by the fiber processing agent such as water repellency, durable water repellency, and stain resistance, and improves slipperiness, texture, and resistance. A textile product with excellent chalk mark resistance can be obtained. The above water dispersion composition for fiber processing can be applied to various fiber processing agents, but is preferably used as a water repellent agent or a stain resistance imparting agent. Furthermore, the above water dispersion composition for fiber processing is suitably used for polyester fibers and cotton.

[Water dispersion composition for textile processing]
The aqueous dispersion composition for fiber processing of the present invention (hereinafter also simply referred to as composition) comprises (A) a rosin resin (hereinafter referred to as component (A)) and (B) a nonionic surfactant (hereinafter referred to as (B)). components).

<Rosin resin (A)>
Component (A) is not particularly limited, and various known components can be used. Component (A) is, for example, a natural rosin (gum rosin, tall oil rosin, wood rosin) derived from horsetail pine, slash pine, Merukushi pine, Shimo pine, Loblolly pine, Daio pine, etc., natural rosin by vacuum distillation, steam distillation. Purified rosin obtained by refining by method, extraction method, recrystallization method, etc. (hereinafter, natural rosin and purified rosin are collectively referred to as unmodified rosin), and hydrogenated rosin obtained by hydrogenating the unmodified rosin. , disproportionated rosin obtained by disproportionating the unmodified rosin, polymerized rosin obtained by polymerizing the unmodified rosin, acrylated rosin, maleated rosin, fumarated rosin, etc. Examples include saturated carboxylic acid-modified rosin, esterified products thereof (hereinafter, these esterified products are referred to as rosin esters), rosin phenol resin, and the like. Component (A) may be used alone or in combination of two or more.

Component (A) is preferably a rosin ester from the viewpoint of excellent fiber slippage properties, chalk mark resistance, texture, and stability of the composition, such as unmodified rosin ester, hydrogenated rosin ester, disproportionated rosin ester, At least one selected from the group consisting of polymerized rosin esters and α,β-unsaturated carboxylic acid-modified rosin esters is more preferred; from the same point of view, hydrogenated rosin esters, disproportionated rosin esters, α,β-unsaturated rosin esters Particularly preferred are saturated carboxylic acid-modified rosin esters, unmodified rosin esters from unmodified rosin derived from Mercushi pine. Hereinafter, unmodified rosin ester, hydrogenated rosin ester, disproportionated rosin ester, polymerized rosin ester, and α,β-unsaturated carboxylic acid-modified rosin ester will be explained.

(Unmodified rosin ester)
The unmodified rosin ester is obtained by reacting the unmodified rosin with an alcohol.

The unmodified rosin may be purified by a vacuum distillation method, a steam distillation method, an extraction method, a recrystallization method, or the like.

The reaction conditions for the unmodified rosin and the alcohol are as follows: the unmodified rosin and the alcohol are mixed in the presence or absence of a solvent, an esterification catalyst is added if necessary, and the reaction is carried out at about 250 to 280°C for 1 to 10 minutes. It should be done in about 8 hours.

The alcohols mentioned above are not particularly limited, and include, for example, monohydric alcohols such as methanol, ethanol, propanol, and stearyl alcohol, and monohydric alcohols such as ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, neopentyl glycol, and dimer diol. trivalent alcohols such as glycerin, trimethylolethane, and trimethylolpropane; tetravalent alcohols such as pentaerythritol and diglycerin; and hexavalent alcohols such as dipentaerythritol. Among these, polyhydric alcohols having two or more hydroxyl groups are preferred, and glycerin and pentaerythritol are particularly preferred.

(Hydrogenated rosin ester)
The hydrogenated rosin ester is obtained by esterifying the hydrogenated rosin obtained by hydrogenating the above-mentioned unmodified rosin and further reacting an alcohol with it.

The hydrogenated rosin can be obtained using various known methods. Specifically, it can be obtained, for example, by hydrogenating the above unmodified rosin using known hydrogenation conditions. Hydrogenation conditions include, for example, a method in which the unmodified rosin is heated to about 100 to 300° C. under a hydrogen pressure of about 2 to 20 MPa in the presence of a hydrogenation catalyst. Further, the hydrogen pressure is preferably about 5 to 20 MPa, and the reaction temperature is preferably about 150 to 300°C. As the hydrogenation catalyst, various known catalysts such as supported catalysts and metal powders can be used. Examples of supported catalysts include palladium-carbon, rhodium-carbon, ruthenium-carbon, platinum-carbon, and the like. Examples of the metal powder include nickel and platinum. Among these, palladium, rhodium, ruthenium, and platinum-based catalysts are preferred because they increase the hydrogenation rate of the unmodified rosin and shorten the hydrogenation time. The amount of hydrogenation catalyst used is usually about 0.01 to 5 parts by weight, preferably about 0.01 to 2 parts by weight, based on 100 parts by weight of the unmodified rosin.

The above hydrogenation may be performed with the unmodified rosin dissolved in a solvent, if necessary. The solvent used is not particularly limited, but any solvent may be used as long as it is inert to the reaction and easily dissolves the raw materials and products. Specifically, for example, cyclohexane, n-hexane, n-heptane, decalin, tetrahydrofuran, dioxane, etc. can be used alone or in combination of two or more. The amount of the solvent to be used is not particularly limited, but it may be used so that the solid content is usually 10% by mass or more, preferably from about 10 to 70% by mass, based on the unmodified rosin.

Further, as the hydrogenated rosin, hydrogenated rosin subjected to the above purification may be used.

The reaction conditions for the hydrogenated rosin and the alcohol are as follows: the hydrogenated rosin and the alcohol are mixed in the presence or absence of a solvent, an esterification catalyst is added if necessary, and the temperature is about 250 to 280°C for 1 to 8 It should be done in about an hour.

The alcohols used in esterifying the hydrogenated rosin are the same as those mentioned above.

Note that the order of the hydrogenation reaction and the esterification reaction is not limited to the above, and the hydrogenation reaction may be performed after the esterification reaction.

(Disproportionated rosin ester)
Disproportionated rosin ester is obtained by esterifying a disproportionated rosin obtained by subjecting the unmodified rosin to a disproportionation reaction and further reacting an alcohol with it.

The above-mentioned disproportionated rosin can be obtained using various known means. For example, the unmodified rosin may be heated in the presence of a disproportionation catalyst to react. Examples of the disproportionation catalyst include supported catalysts such as palladium-carbon, rhodium-carbon, and platinum-carbon, metal powders such as nickel and platinum, and iodides such as iodine and iron iodide. . The amount of the catalyst used is usually about 0.01 to 5 parts by mass, preferably 0.01 to 1 part by mass, per 100 parts by mass of rosin as a raw material, and the reaction temperature is about 100 to 300°C, preferably The temperature is about 150°C to 290°C.

Moreover, as the above-mentioned disproportionated rosin, a disproportionated rosin subjected to the above-mentioned purification may be used.

The reaction conditions for the above-mentioned disproportionated rosin and alcohol are as follows: the disproportionated rosin and alcohol are mixed in the presence or absence of a solvent, an esterification catalyst is added if necessary, and the reaction is carried out at about 250 to 280°C for 1 It should be done in about 8 hours.

The alcohols used in esterifying the disproportionated rosin are the same as those mentioned above.

Note that the order of the disproportionation reaction and the esterification reaction is not limited to the above, and the disproportionation reaction may be performed after the esterification reaction.

(polymerized rosin ester)
Polymerized rosin ester is obtained by reacting polymerized rosin with alcohol. Polymerized rosin is a rosin derivative containing dimerized resin acid.

As a method for producing polymerized rosin, known methods can be employed. Specifically, for example, the above-mentioned unmodified rosin as a raw material is heated in a solvent such as toluene or xylene containing a catalyst such as sulfuric acid, hydrogen fluoride, aluminum chloride, or titanium tetrachloride at a temperature of about 40 to 160°C for 1 to 10 minutes. Examples include a method of reacting for about 5 hours.

Specific examples of polymerized rosin include gum-based polymerized rosin using gum rosin as the raw material (for example, product name "Polymerized Rosin B-140", manufactured by Shinshu (Takehira) Linka Co., Ltd.), and tall oil rosin. Examples include tall oil-based polymerized rosin (for example, trade name "Silvatac 140", manufactured by Arizona Chemical Company), wood-based polymerized rosin using wood rosin (for example, trade name "Dymarex", manufactured by ASHLAND), and the like.

In addition, the polymerized rosin is one obtained by subjecting the polymerized rosin to various treatments such as modification such as hydrogenation and disproportionation, and α,β-unsaturated carboxylic acid modification such as acrylation, maleation, and fumarization. May be used. Further, various treatments may be used alone or in combination of two or more types.

The reaction conditions for the polymerized rosin and the alcohol are as follows: the polymerized rosin and the alcohol are mixed in the presence or absence of a solvent, an esterification catalyst is added if necessary, and the temperature is about 250 to 280°C for about 1 to 8 hours. You can do it with

The alcohols used in esterifying the polymerized rosin are the same as those mentioned above.

Note that the order of the polymerization reaction and the esterification reaction is not limited to the above, and the polymerization reaction may be performed after the esterification reaction.

(α,β-unsaturated carboxylic acid modified rosin ester)
The α,β-unsaturated carboxylic acid-modified rosin ester is a modified rosin (α,β-unsaturated carboxylic acid-modified rosin) obtained by adding an α,β-unsaturated carboxylic acid to the unmodified rosin or the disproportionated rosin. ) is further reacted with an alcohol to esterify it.

The α,β-unsaturated carboxylic acid mentioned above is not particularly limited, and various known ones can be used. Specific examples include acrylic acid, methacrylic acid, maleic acid, fumaric acid, itaconic acid, citraconic acid, muconic acid, maleic anhydride, itaconic anhydride, citraconic anhydride, muconic anhydride, and the like. Among these, maleic acid, maleic anhydride, and fumaric acid are preferred. From the viewpoint of emulsifying properties, the amount of α,β-unsaturated carboxylic acid to be used is usually about 1 to 20 parts by mass, preferably 1 to 3 parts by mass, per 100 parts by mass of the unmodified rosin or the disproportionated rosin. It is about parts by mass.

The method for producing the α,β-unsaturated carboxylic acid-modified rosin is not particularly limited, but for example, the α,β-unsaturated carboxylic acid and reacting at a temperature of about 180 to 240°C for about 1 to 9 hours. Further, the above reaction may be carried out while blowing an inert gas such as nitrogen into the closed reaction system. Further, in the reaction, known catalysts such as Lewis acids such as zinc chloride, iron chloride, and tin chloride, and Brønsted acids such as para-toluenesulfonic acid and methanesulfonic acid may be used. The amount of these catalysts used is usually about 0.01 to 10% by mass based on the unmodified rosin or the disproportionated rosin.

The resulting α,β-unsaturated carboxylic acid-modified rosin may contain a resin acid derived from the unmodified rosin or the disproportionated rosin, and the content thereof is less than 10% by mass.

The reaction conditions for the above α,β-unsaturated carboxylic acid modified rosin and alcohol are not particularly limited, but for example, alcohol is added to α,β-unsaturated carboxylic acid modified rosin melted under heating. For example, the reaction may be carried out at a temperature of about 250 to 280°C for about 15 to 20 hours. Further, the above reaction may be carried out while blowing an inert gas such as nitrogen into a closed reaction system, and the above-mentioned catalyst may be used.

The alcohols used in esterifying the α,β-unsaturated carboxylic acid-modified rosin are the same as above.

(Physical properties of rosin resin (A))
The physical properties of component (A) are not particularly limited. The softening point of component (A) is preferably about 80 to 180°C, more preferably about 100 to 140°C, particularly preferably about 120 to 130°C, from the viewpoint of excellent fiber texture and composition stability. . Note that in this specification, the softening point is a value measured by the ring and ball method (JIS K 5902).

The hydroxyl value of component (A) is preferably about 10 to 50 mgKOH/g from the viewpoint of excellent emulsion stability of the composition. Further, the acid value of component (A) is preferably about 0.5 to 30 mgKOH/g from the viewpoint of excellent emulsion stability. In addition, in this specification, the hydroxyl value and the acid value are values measured according to JIS K 0070.

The weight average molecular weight of component (A) is preferably about 500 to 3,000, more preferably about 1,100 to 2,000, in view of the excellent emulsion stability of the composition. In addition, in this specification, the weight average molecular weight is a polystyrene equivalent value determined by gel permeation chromatography (GPC) method.

The color tone of component (A) is preferably 4 Gardner or less, more preferably 150 Hazen or less, and particularly preferably 60 Hazen or less. When the color tone of component (A) is 4 Gardner or less, the textile products treated with the aqueous dispersion composition for textile processing of the present invention are suppressed from discoloration (yellowing) over time. Moreover, when the color tone of the component (A) is at the Hazen level, coloring of the textile product over time is further suppressed. Note that in this specification, color tone is measured in Gardner units and Hazen units according to JIS K0071-3.

<Nonionic surfactant (B)>
Component (B) is not particularly limited as long as it is a nonionic surfactant, and various known surfactants can be used. In the aqueous dispersion composition of the present invention, when an anionic surfactant or a cationic surfactant is used instead of the nonionic surfactant (B), various functions of the fiber processing agent (water repellency, stain resistance, etc.) can be improved. It is not preferable because the stability may decrease when used in combination with a fiber processing agent. Component (B) may be used alone or in combination of two or more.

Component (B) is, for example, polyoxyethylene alkyl ethers, polyoxyethylene alkenyl ethers, polyoxyethylene alkylphenyl ethers, polyoxypolycyclic phenyl ethers, sorbitan higher fatty acid esters, polyoxyethylene sorbitan higher fatty acid esters. polyoxyethylene higher fatty acid esters, glycerin higher fatty acid esters, block copolymers of polyalkylene oxide, etc., specifically, polyoxyethylene lauryl ether, polyoxyethylene oleyl ether, polyoxyethylene stearyl ether, Polyoxyethylene nonylphenyl ether, polyoxyethylene octylphenyl ether, polyoxyethylene styrylphenyl ether, sorbitan monolaurate, sorbitan trioleate, polyoxyethylene sorbitan monolaurate, polyoxyethylene monolaurate, polyoxyethylene monoole ate, oleic acid monoglyceride, stearic acid monoglyceride, polyoxyethylene/polyoxypropylene block copolymer, and the like.

Component (B) is polyoxyethylene alkyl ethers, polyoxyethylene alkenyl ethers, sorbitan higher fatty acid esters, polyoxyethylene sorbitan higher fatty acid esters, polyoxyethylene higher fatty acid esters, glycerin higher fatty acid esters, and polyoxyethylene higher fatty acid esters. Block copolymers of alkylene oxide are preferred.

(Physical properties of nonionic surfactant (B))
The physical properties of component (B) are not particularly limited. The HLB of component (B) is preferably from 7 to 19, particularly preferably from about 12 to 15, from the viewpoint of excellent emulsion stability of component (A), stability of fiber processing agents, water repellency and antifouling properties. By setting the HLB of component (B) to 7 or more, the emulsion stability of component (A) and the stability of the fiber processing agent become more excellent. Further, by setting the HLB to 19 or less, the water repellency and stain resistance of the fiber processing agent become more excellent. In addition, HLB is a value that indicates the balance between hydrophobicity and hydrophilicity of a surfactant, and takes a value from 1 to 20, the lower the number, the stronger the hydrophobicity, and the higher the number, the stronger the hydrophilicity. shows.

The amount of component (B) to be used is not particularly limited, but is preferably about 1 to 20 parts by weight, more preferably about 5 to 10 parts by weight, in terms of solid content, per 100 parts by weight of component (A). When the amount of component (B) used is 1 part by mass or more, reliable emulsification can be performed, and stability is improved when used in a water repellent or stain resistance imparting agent. Further, by controlling the amount to 20 parts by mass or less, water repellency is less likely to be impaired when used in a water repellent.

<Surfactant (C)>
For the purpose of improving the dispersibility of the composition, the composition of the present invention may optionally contain a surfactant (C) (hereinafter referred to as (Also referred to as component (C)) may be included.

Component (C) is not particularly limited as long as it is other than component (B), and various known emulsifiers can be used. Specific examples include high molecular weight emulsifiers obtained by polymerizing monomers, low molecular weight anionic emulsifiers, and low molecular weight cationic emulsifiers. These may be used alone or in combination of two or more. Among these, low molecular weight anionic emulsifiers are preferred because of their excellent emulsifying properties.

Examples of monomers used in the production of the high molecular weight emulsifier include (meth)acrylic acid ester monomers such as methyl (meth)acrylate and ethyl (meth)acrylate; (meth)acrylic acid, crotonic acid, etc. Monocarboxylic acid vinyl monomers; dicarboxylic acid vinyl monomers such as maleic acid and maleic anhydride; sulfonic acid vinyl monomers such as vinyl sulfonic acid and styrene sulfonic acid; and alkali metal salts and alkalis of these various organic acids. Earth metal salts, ammonium salts, salts of organic bases; (meth)acrylamide monomers such as (meth)acrylamide and N-methylol (meth)acrylamide; nitrile monomers such as (meth)acrylonitrile; vinyl acetate, etc. vinyl ester monomers; hydroxy group-containing (meth)acrylic acid ester monomers such as 2-hydroxyethyl (meth)acrylate and 2-hydroxypropyl (meth)acrylate; methyl vinyl ether, glycidyl (meth)acrylate, Examples include other monomers such as urethane acrylate, α-olefin having 6 to 22 carbon atoms, and vinylpyrrolidone. These may be used alone or in combination of two or more.

Examples of the polymerization method include solution polymerization, suspension polymerization, and emulsion polymerization using a reactive emulsifier other than the high molecular weight emulsifier described below, a non-reactive emulsifier other than the high molecular weight emulsifier, and the like.

The weight average molecular weight of the high molecular weight emulsifier thus obtained is not particularly limited, but it is usually preferably about 1,000 to 500,000 from the viewpoint of the adhesive properties of the resulting tackifier resin emulsion. The weight average molecular weight here is a polyethylene oxide equivalent value determined by gel permeation chromatography (GPC).

Examples of reactive emulsifiers other than the above-mentioned high molecular weight emulsifiers include those having hydrophilic groups such as sulfonic acid groups and carboxyl groups, and hydrophobic groups such as alkyl groups and phenyl groups, and which have carbon-carbon double bonds in their molecules. Refers to something that has a bond.

Examples of the low molecular weight anionic emulsifier include dialkyl sulfosuccinate salts, alkanesulfonate salts, α-olefin sulfonate salts, polyoxyethylene alkyl ether sulfosuccinate salts, polyoxyethylene styrylphenyl ether sulfosuccinate salts, Examples include naphthalene sulfonic acid formalin condensate, polyoxyethylene alkyl ether sulfate salt, polyoxyethylene dialkyl ether sulfate salt, polyoxyethylene trialkyl ether sulfate salt, polyoxyethylene alkyl phenyl ether sulfate salt, and the like.

Examples of the low molecular weight cationic emulsifier include tetraalkylammonium chloride, trialkylbenzylammonium chloride, alkylamine acetate, alkylamine hydrochloride, oxyethylenealkylamine, polyoxyethylenealkylamine, alkylamine acetate, and the like. It will be done.

Emulsifiers other than the above-mentioned high molecular weight emulsifiers may be used alone or in combination of two or more.

The amount of component (C) to be used is preferably about 1 to 10 parts by mass, more preferably about 2 to 8 parts by mass, based on 100 parts by mass of component (A), in terms of solid content, from the viewpoint of excellent emulsifying properties. .

The aqueous dispersion composition for fiber processing of the present invention may optionally contain various additives such as antifoaming agents, thickeners, fillers, antioxidants, waterproofing agents, and film forming aids, as long as desired properties are not impaired. It may also contain a pH adjuster such as aqueous ammonia or sodium bicarbonate.

[Method for producing water dispersion composition for fiber processing]
The water dispersion composition for fiber processing of the present invention is produced by emulsifying component (A) in water in the presence of component (B) and optionally component (C) (hereinafter collectively referred to as "emulsifier"). It is what it is.

The emulsification method is not particularly limited, and known emulsification methods such as high-pressure emulsification and phase inversion emulsification can be employed.

The above-mentioned high-pressure emulsification method is a method in which component (A) is made into a liquid state, the above-mentioned emulsifier and water are premixed, finely emulsified using a high-pressure emulsifier, and then the solvent is removed as necessary. be. Component (A) may be brought into a liquid state by heating alone, by dissolving it in a solvent and then heating it, or by mixing a non-volatile substance such as a plasticizer and heating it. Examples of the solvent include organic solvents that can dissolve component (A), such as toluene, xylene, methylcyclohexane, and ethyl acetate.

In the above phase inversion emulsification method, after heating and melting the component (A), a surfactant and water are added while stirring to form a W/O emulsion, and then an O/W emulsion is formed by adding water or changing the temperature. This is a method of inverting the phase.

[Physical properties and uses of water dispersion composition for textile processing]
The physical properties of the aqueous dispersion composition for fiber processing of the present invention are not particularly limited. Although the solid content concentration of the aqueous dispersion composition for fiber processing is not particularly limited, it is usually adjusted as appropriate so that the solid content is about 10 to 65% by mass. In addition, the volume average particle size of the aqueous dispersion composition for fiber processing is usually about 0.1 to 2 μm, and most of the particles are uniformly dispersed as particles of 1 μm or less, but it is preferably 0.7 μm or less. Preferred from the viewpoint of storage stability. Further, the aqueous dispersion composition for fiber processing has a white to milky appearance, a pH of about 2 to 10, and a viscosity of usually about 10 to 1000 mPa·s (25° C., solid content concentration 50%).

The aqueous dispersion composition for fiber processing of the present invention can be used in combination with various fiber processing agents in various processing of fibers to obtain fibers with excellent sliding properties, texture, and chalk mark resistance. The above-mentioned fiber processing agent is not particularly limited, but preferably includes a water repellent agent and a stain resistance imparting agent.

The amount of the aqueous dispersion composition for fiber processing of the present invention to be used is not particularly limited, but is preferably about 1 to 20% by mass, more preferably about 1 to 10% by mass, based on 100% by mass of the fiber processing agent. By using the above-mentioned amount of 1% by mass or more, the slipping properties of the fibers become more excellent. In addition, by reducing the above usage amount to 20% by mass or less, the texture and chalk mark resistance of the fibers will be better, and when water repellent agents and stain resistance agents are used, water repellency and stain resistance will be improved. This is preferable because the contaminating function is better maintained.

The above-mentioned water repellent agent and the above-mentioned stain resistance imparting agent are not particularly limited, and various known ones can be used. The water repellent, the stain resistance imparting agent, and the fibers will be explained below.

<Water repellent>
The water repellent is not particularly limited, but from the environmental point of view, non-fluorine water repellents are preferred.

Examples of the non-fluorine water repellent include compounds containing long-chain hydrocarbon groups in the molecule. The compound containing a long-chain hydrocarbon group in the molecule is not particularly limited, but may be a (meth)acrylic ester polymer obtained by reacting a monomer containing a long-chain hydrocarbon group-containing (meth)acrylic ester. It is preferable that there be. The long-chain hydrocarbon group is preferably an alkyl group or alkenyl group having 12 to 24 carbon atoms in terms of excellent water repellency. The above alkyl group and alkenyl group may be linear or branched. In addition, examples of the above-mentioned monomers other than long-chain hydrocarbon group-containing (meth)acrylic esters include (meth)acrylic esters other than long-chain hydrocarbon group-containing (meth)acrylic esters, (meth)acrylamides, ( Examples include meth)acrylic acid, (meth)acrylonitrile, styrene, α,β-unsaturated dicarboxylic acids (anhydrides), and the like.

Examples of the long-chain hydrocarbon group-containing (meth)acrylic esters include lauryl (meth)acrylate, tridecyl (meth)acrylate, myristyl (meth)acrylate, pentadecyl (meth)acrylate, palmityl (meth)acrylate, and heptadecyl (meth)acrylate. ) acrylate, stearyl (meth)acrylate, nonadecyl (meth)acrylate, eicosyl (meth)acrylate, henicosyl (meth)acrylate, docosyl (meth)acrylate, tricosyl (meth)acrylate, tetracosyl (meth)acrylate, isododecyl (meth)acrylate , isotridecyl (meth)acrylate, isomyristyl (meth)acrylate, isopentadecyl (meth)acrylate, isohexadecyl (meth)acrylate, isoheptadecyl (meth)acrylate, isostearyl (meth)acrylate, and the like.

Examples of commercially available non-fluorine water repellents include "NeoSeed" (registered trademark) NR-90 (manufactured by NICCA Chemical Co., Ltd.), NR-158 (manufactured by NICCA Chemical Co., Ltd.), TH -44 (manufactured by Nicca Chemical Co., Ltd.), Parazine HC86 (manufactured by Keihin Kasei Co., Ltd.), Parazine HC200 (manufactured by Keihin Kasei Co., Ltd.), PW-182 (manufactured by Daiwa Chemical Co., Ltd.) "Phobor" (registered) Trademark) RSH (manufactured by Huntsman Japan Co., Ltd.), “Palladium” (registered trademark) ECO-500 (manufactured by Ohara Palladium Chemical Co., Ltd.), NX018 (manufactured by Nanotex Co., Ltd.), ZERAN R-3 (manufactured by Huntsman Japan Co., Ltd.) Japan Co., Ltd.) and PM-3705 (manufactured by 3M).

<Stain resistance imparting agent>
The stain resistance imparting agent is not particularly limited. Examples of the stain resistance imparting agent include non-fluorine compounds, specifically silicone compounds.

Examples of the silicone-based compounds include Geranex SH (Matsumoto Yushi Pharmaceutical Co., Ltd.), Drypon 600E (Nicca Chemical Co., Ltd.), Rikenparan SG-54 (Miki Riken Kogyo Co., Ltd.), and Light Silicone P-290E (Kitahiro Co., Ltd.). Chemical Co., Ltd.), Poron MR (Shin-Etsu Chemical Co., Ltd.), Poron MF-49 (Shin-Etsu Chemical Co., Ltd.), NeoSeed NR8000 (Nicca Chemical Co., Ltd.), KF-96 series (Shin-Etsu Chemical Co., Ltd.) ), KF8005 (Shin-Etsu Chemical Co., Ltd.), SF-8417 (Dow Corning Toray Co., Ltd.), MQ-1600 (Dow Corning Toray Co., Ltd.), and the like.

<Fiber>
The fibers may be either natural fibers or chemical fibers. Examples of natural fibers include vegetable fibers such as cotton, hemp, flax, coconut, and rush; animal fibers such as wool, goat hair, mohair, cashmere, camel hair, and silk; and mineral fibers such as asbestos. . Examples of chemical fibers include inorganic fibers such as rock fiber, metal fiber, graphite, silica, and titanate; regenerated cellulose fibers such as rayon, cupro, viscose, polynosic, and purified cellulose fiber; melt-spun cellulose fiber; and milk. Protein fibers such as protein and soy protein; Regenerated and semi-synthetic fibers such as recycled silk and alginate fibers; Polyamide fibers, polyester fibers, cationically dyeable polyester fibers, polyvinyl fibers, polyacrylic alcohol fibers, polyurethane fibers, acrylic fibers, polyethylene Synthetic fibers such as fibers, polyvinylidene fibers, polystyrene fibers, etc. can be mentioned. Moreover, two or more types of these fibers may be composited (blended, mixed, interwoven, interwoven, etc.).

Polyester fibers include polyethylene terephthalate (PET) fibers, polylactic acid (PLA) fibers, polytrimethylene terephthalate (PTT) fibers, polybutylene terephthalate (PBT) fibers, polypropylene terephthalate (PPT) fibers, and polyethylene naphthalate (PEN) fibers. ) refers to fibers made of polymers condensed by a reaction that forms ester bonds, such as fibers and polyarylate fibers. Examples of fibers to be composited with polyester fibers include synthetic fibers and natural fibers such as cellulose fibers, polyamide fibers, and polyurethane fibers.

Polyamide fiber means a fiber that essentially contains polyamide and may be composite, and includes, for example, nylon 6, nylon 66, nylon 610, nylon 11, nylon 4, nylon 7, aromatic nylon (aramid), etc. It will be done. Polyamides are usually obtained by condensation through reactions that form amide bonds.

Examples of the form of the fibers include woven fabrics, knitted fabrics, fabrics, threads, cheese, skeins, nonwoven fabrics, and the like.

The aqueous dispersion composition for fiber processing of the present invention is preferably used for polyester fibers, polyamide fibers, and cotton. Particularly preferred are polyester fibers and cotton.

<Fiber processing>
The method of processing the above-mentioned fibers using the aqueous dispersion composition for fiber processing of the present invention and the above-mentioned fiber processing agent is not particularly limited, and examples include processing methods such as dipping, spraying, and coating, or processing using a cleaning method. Examples include methods. Furthermore, after the aqueous dispersion composition for fiber processing and the above-mentioned fiber processing agent are attached to the fibers, it is preferable to dry the fibers to remove water.

In the above-mentioned processing, the total amount of the aqueous dispersion composition for fiber processing and the above-mentioned fiber processing agent attached to the fibers can be adjusted as appropriate depending on the degree of required functionality; It is preferably adjusted to 0.1 to 10% by mass, and more preferably adjusted to 0.5 to 2% by mass. If the above-mentioned total adhesion amount is less than 0.1% by mass, it is difficult to obtain an effect, and if it exceeds 10% by mass, the cost effectiveness becomes low.

After processing fibers using the aqueous dispersion composition for fiber processing of the present invention and the above-mentioned fiber processing agent, it is preferable to appropriately heat-treat the fibers. The temperature conditions are not particularly limited, but are usually about 110 to 180°C.

The above-treated fibers can be used for objects that impart water repellency or stain resistance, such as outerwear, uniforms, sports clothing, etc.; sanitary materials such as masks, gauze, and disposable diapers; automobiles, aircraft, and railways. , interior materials for vehicles such as ships; bedding such as futons, mattresses, sheets, pillows, covers, blankets, and towel blankets; curtains, blinds, sofas, chairs, cushions, wallpaper, rugs, carpets, tablecloths, cushions, sliding doors, etc. Interior: Examples include industrial materials such as curtains, blackout curtains, construction sheets, tents, and filters.

The above-treated fibers have various functions such as excellent water repellency, washing durability, and stain resistance, as well as a flexible texture. Includes clothing and non-clothing products such as down linings, coats, blousons, windbreakers, blouses, dress shirts, skirts, slacks, gloves, hats, futon linings, futon drying covers, curtains or tents. Suitable for use in textile products such as textile products.

EXAMPLES Hereinafter, the present invention will be explained in more detail by showing examples of the present invention, but the present invention is not limited to these examples. Note that "parts" and "%" in the examples represent "parts by mass" and "% by mass", respectively.

<Production of rosin resin (A)>
Manufacturing example 1
Disproportionated rosin (trade name "Longis R", manufactured by Arakawa Chemical Industry Co., Ltd., acid value 160, softening point 70°C) was placed in a reaction vessel equipped with a stirring device, condenser, thermometer, nitrogen introduction tube, and steam introduction tube. ), 100 parts of fumaric acid were charged, and then reacted at 220°C for 2 hours under a nitrogen gas flow. After charging 10.7 parts of pentaerythritol and 1.5 parts of glycerin, the mixture was reacted under a nitrogen gas flow. After reacting at 250°C for 2 hours, the temperature was further raised to 280°C and the reaction was continued at the same temperature for 12 hours to complete esterification. Thereafter, the inside of the reaction vessel was depressurized to remove moisture and the like to obtain a rosin resin (A1) (hereinafter referred to as component (A1)).

Manufacturing example 2
Into the same reaction vessel as in Example 1, 100 parts of Indonesian gum rosin (acid value: 190 mg KOH/g, softening point: 80°C) derived from Merukushi pine and 12.4 parts of pentaerythritol were charged, and then placed under a nitrogen gas stream. After reacting at 250°C for 2 hours, the temperature was further raised to 280°C and the reaction was continued at the same temperature for 12 hours to complete esterification. Thereafter, the inside of the reaction vessel was depressurized to remove moisture and the like to obtain a rosin resin (A2) (hereinafter referred to as component (A2)).

Manufacturing example 3
Into the same reaction vessel as in Example 1, 100 parts of disproportionated rosin (trade name "Longis R", manufactured by Arakawa Chemical Industry Co., Ltd., acid value 160, softening point 70°C) and 11.6 parts of glycerin were charged. Thereafter, the mixture was reacted at 250° C. for 2 hours under a nitrogen gas stream, and then the temperature was further raised to 280° C., and the reaction was continued at the same temperature for 12 hours to complete esterification. Thereafter, the inside of the reaction vessel was depressurized to remove moisture and the like to obtain a rosin resin (A3) (hereinafter referred to as component (A3)).

Production example 4
100 parts of Chinese gum rosin (CG-WW) and 1 part of fumaric acid were charged into the same reaction vessel as in Example 1, and the mixture was reacted at 220°C for 2 hours under a nitrogen gas stream. After charging .7 parts and reacting at 250°C for 2 hours, the temperature was further raised to 280°C and reaction was carried out at the same temperature for 12 hours to complete esterification. Thereafter, the inside of the reaction vessel was depressurized to remove moisture and the like to obtain a rosin resin (A4) (hereinafter referred to as component (A4)).

Manufacturing example 5
In a reaction vessel similar to Example 1, 100 parts of polymerized rosin (trade name "Aradime R-140", manufactured by Arakawa Chemical Industry Co., Ltd., acid value 140, softening point 140°C), 11.7 parts of pentaerythritol, After charging 0.6 parts of glycerin, the mixture was reacted at 250°C for 2 hours under a nitrogen gas flow, and then the temperature was further raised to 280°C and the reaction was performed at the same temperature for 12 hours to complete esterification. Thereafter, the inside of the reaction vessel was depressurized to remove moisture and the like to obtain a rosin resin (A5) (hereinafter referred to as component (A5)).

Manufacturing example 6
In a reaction vessel similar to Example 1, 50 parts of polymerized rosin (trade name "Aradime R-140", manufactured by Arakawa Chemical Industry Co., Ltd., acid value 140, softening point 140°C) and 50 parts of CG-WW were added. After charging, 11.1 parts of pentaerythritol and 0.5 parts of glycerin were charged, and the mixture was reacted at 250°C for 2 hours under a nitrogen gas stream, and then further heated to 280°C and reacted at the same temperature for 12 hours. , the esterification was completed. Thereafter, the inside of the reaction vessel was depressurized to remove water and the like to obtain a rosin resin (A6) (hereinafter referred to as component (A6)).

The softening point (Sp (°C)) of the rosin resin in each production example was measured by the ring and ball method of JIS K 5902. The results are shown in Table 1.

The acid value and hydroxyl value of the rosin resin in each production example were measured according to JIS K 0070. The results are shown in Table 1.

(Measurement of weight average molecular weight (Mw))
The weight average molecular weight (Mw) of the rosin resins of Production Examples 1 to 6 was calculated as a polystyrene equivalent value determined from a standard polystyrene calibration curve by gel permeation chromatography (GPC) method. The results are shown in Table 1. In addition, the GPC method was measured under the following conditions.
Analyzer: HLC-8320 (manufactured by Tosoh Corporation)
Column: TSKgelSuperHM-L x 3 Eluent: Tetrahydrofuran Injection sample concentration: 5mg/mL
Flow rate: 0.6mL/min
Injection volume: 40μL
Column temperature: 40℃
Detector: RI

[Preparation of water dispersion composition for fiber processing]
Example 1
After dissolving 100 parts of component (A1) in Production Example 1 in 70 parts of toluene at 80°C over 3 hours, EMALEX630 (nonionic surfactant, HLB15, manufactured by Nippon Emulsion Co., Ltd.) was dissolved in terms of solid content. 10 parts and 140 parts of water were added and stirred for 1 hour. Next, high-pressure emulsification was performed at a pressure of 30 MPa using a high-pressure emulsifier (manufactured by Manton Gaulin) to obtain an emulsion. Next, vacuum distillation was performed for 6 hours at 70° C. and 2.93×10 ⁻² MPa to obtain an aqueous dispersion composition for fiber processing with a solid content of 30%.

Example 2
Example 1 was carried out in the same manner as in Example 1, except that component (A1) was replaced with component (A2) in Production Example 2, to obtain an aqueous dispersion composition for fiber processing.

Example 3
Example 1 was carried out in the same manner as in Example 1, except that component (A1) was replaced with component (A3) in Production Example 3, to obtain an aqueous dispersion composition for fiber processing.

Example 4
Example 1 was carried out in the same manner as in Example 1, except that component (A1) was replaced with component (A4) of Production Example 4, to obtain an aqueous dispersion composition for fiber processing.

Example 5
Example 1 was carried out in the same manner as in Example 1, except that component (A1) was replaced with component (A5) in Production Example 5, to obtain an aqueous dispersion composition for fiber processing.

Example 6
Example 1 was carried out in the same manner as in Example 1, except that component (A1) was replaced with component (A6) in Production Example 6, to obtain an aqueous dispersion composition for fiber processing.

Example 7
Example 1 was carried out in the same manner as in Example 1, except that component (A1) was replaced with hydrogenated rosin ester (trade name "KE-359" manufactured by Arakawa Chemical Industries, Ltd.) (hereinafter referred to as component (A7)). A water dispersion composition for processing was obtained. Component (A7) has a softening point of 95° C., an acid value of 15 mgKOH/g, a hydroxyl value of 44 mgKOH/g, a weight average molecular weight (Mw) of 1231, and a color tone of 50 Hazen.

Example 8
A water dispersion composition for fiber processing was obtained in the same manner as in Example 1 except that EMALEX 630 was replaced with EMALGEN 220 (nonionic surfactant, HLB 14.2, manufactured by Kao Chemical Co., Ltd.).

Example 9
A water dispersion composition for fiber processing was obtained in the same manner as in Example 5, except that EMALEX630 was replaced with EMULGEN 220 (nonionic surfactant, HLB14.2, manufactured by Kao Chemical Co., Ltd.).

Example 10
A water dispersion composition for fiber processing was obtained in the same manner as in Example 1 except that EMALEX630 was replaced with Neugen XL-61 (nonionic surfactant, HLB12.5, manufactured by Daiichi Kogyo Seiyaku Co., Ltd.).

Example 11
A water dispersion composition for fiber processing was obtained in the same manner as in Example 1 except that EMALEX 630 was replaced with EMALGEN 103 (nonionic surfactant, HLB 8.1, manufactured by Kao Chemical Co., Ltd.).

Comparative example 1
Example 5 was carried out in the same manner as in Example 5, except that 5 parts of cationic TMP (cationic surfactant, manufactured by Dai-ichi Kogyo Seiyaku Co., Ltd.) was used instead of EMALEX630, to obtain an aqueous dispersion composition for fiber processing.

(Emulsification stability)
In each Example and Comparative Example, the workability (foaming or generation of aggregates) when each rosin resin was emulsified was visually observed and evaluated based on the following criteria, which are summarized in Table 2. In addition, when the characteristics were slightly good, a "+" mark was added to the criteria below, and when the characteristics were slightly inferior, a "-" mark was added to the criteria below.
◎: There is almost no foaming or formation of aggregates, and the workability is excellent.
○: There is little foaming or agglomeration, and workability is good.
Δ: Slightly more foaming or agglomerates were observed, and workability was slightly poorer.
×: Many occurrences of foaming or aggregates are observed, and workability is poor.

[Preparation of non-fluorine water repellent composition]
Evaluation example 1
95 parts of PM-3705 (manufactured by 3M) as a non-fluorine water repellent and 5 parts (solid content equivalent) of the water dispersion composition for fiber processing of Example 1 were mixed, and further diluted with water to reduce the solid content. A non-fluorine water repellent composition containing 5% by mass of water was prepared.

Evaluation example 2
In Evaluation Example 1, a non-fluorine-based water repellent composition was obtained in the same manner as in Example 2, except that the water dispersion composition for fiber processing used was that of Example 2.

Evaluation example 3
In Evaluation Example 1, a non-fluorine water repellent composition was obtained in the same manner as in Example 3, except that the water dispersion composition for fiber processing used was that of Example 3.

Evaluation example 4
In Evaluation Example 1, a non-fluorine-based water repellent composition was obtained in the same manner as in Example 4, except that the water dispersion composition for fiber processing used was that of Example 4.

Evaluation example 5
In Evaluation Example 1, a non-fluorine water repellent composition was obtained in the same manner as in Example 5, except that the water dispersion composition for fiber processing used was that of Example 5.

Evaluation example 6
In Evaluation Example 1, a non-fluorine water repellent composition was obtained in the same manner as in Example 6, except that the water dispersion composition for fiber processing used was that of Example 6.

Evaluation example 7
In Evaluation Example 1, a non-fluorine-based water repellent composition was obtained in the same manner as in Example 7, except that the water dispersion composition for fiber processing used was that of Example 7.

Evaluation example 8
In Evaluation Example 1, a non-fluorine water repellent composition was obtained in the same manner as in Example 8, except that the water dispersion composition for fiber processing used was that of Example 8.

Evaluation example 9
In Evaluation Example 1, a non-fluorine water repellent composition was obtained in the same manner as in Example 9, except that the water dispersion composition for fiber processing used was that of Example 9.

Evaluation example 10
In Evaluation Example 1, a non-fluorine water repellent composition was obtained in the same manner as in Example 10, except that the water dispersion composition for fiber processing used was that of Example 10.

Evaluation example 11
In Evaluation Example 1, a non-fluorine-based water repellent composition was obtained in the same manner as in Example 11, except that the water dispersion composition for fiber processing used was that of Example 11.

Comparative evaluation example 1
A non-fluorine water repellent composition was obtained in the same manner as in Evaluation Example 1, except that the water dispersion composition for fiber processing used in Comparative Example 1 was used.

(Preparation of test piece)
<For water repellency evaluation>
A polyester fabric was immersed in the non-fluorine water repellent composition obtained in Evaluation Example 1, and squeezed with a mangle. Thereafter, the polyester fabric to which the above composition had been adhered was dried using a pin tenter at 120°C for 2 minutes to obtain water-repellent fibers (polyester fabric test piece).

(Evaluation examples 2 to 11 and comparative evaluation example 1)
In Evaluation Example 1, water-repellent treated fibers were produced in the same manner as in Evaluation Example 1, except that the type of water dispersion composition for fiber processing was changed as shown in Table 3.

(Water repellency: spray test)
The water repellency of the water-repellent treated fibers was evaluated according to the spray method of JIS-L-1092 (AATCC-22). The results are shown in Table 3. Water repellency is determined by water repellency No. 1 as described below. The higher the score, the better the water repellency. The results were visually evaluated using the following grades.
Water repellency: Status 5: No moisture adhesion on the surface 4: Slight moisture on the surface 3: Partial moisture on the surface 2: Moisture on the surface 1: Moisture on the entire surface Item 0: Items with complete wetness on both the front and back sides

(Washing durability water repellency test)
In accordance with JIS L-0217 103, the above water-repellent fibers were washed 10 times (HL10) with a washing liquid at 40°C and then dried in a tumbler (60°C for 30 minutes).The obtained fibers were then tested for washing durability evaluation. The washing durability water repellency was evaluated in the same manner as the above spray test except that the test pieces were made into pieces. The results are shown in Table 3.

(Sliding test)
The above-mentioned water-repellent fibers were tested for warp slippage at a load of 117.2N (12kgw) in accordance with JIS L 1096-99.8.21.1 seam slippage method B, and the slippage resistance value was determined. Measurements were taken to evaluate seam slippage. The results are shown in Table 3. The smaller the value, the better the seam slipping property.

(Texture test)
The feel of the water-repellent fibers was evaluated in the following five grades based on the feel of the hands. Evaluation was performed by five measurers, and the average value was calculated. The results are shown in Table 3.
1: Very hard 2: Hard 3: Slightly hard 4: Soft 5: Very soft

(Chalk mark test)
After pressing a plastic rod with a diameter of 5 mm on the above water-repellent fiber and tracing it, visually observe whether the trace remains on the cloth (so-called chalk mark test), and evaluate the chalk resistance in 5 stages as shown below. Markability was evaluated. The results are shown in Table 3.
1: Clear traces are observed 2: Traces are observed 3: Some traces are observed 4: Almost no traces are observed 5: There are no traces at all

[Preparation of non-fluorine antifouling agent composition]
Evaluation example 12
95 parts of Geranex SH (manufactured by Matsumoto Yushi Pharmaceutical Co., Ltd.) as a non-fluorine-based stain resistance imparting agent and 5 parts (solid content equivalent) of the aqueous dispersion composition for fiber processing of Example 1 were mixed, and the mixture was further diluted with water. A non-fluorine antifouling agent composition having a solid content of 5% by mass was prepared.

Evaluation example 13
In Evaluation Example 12, a non-fluorine-based antifouling agent composition was obtained in the same manner as in Example 2 except that the water dispersion composition for fiber processing was used as that of Example 2.

Evaluation example 14
In Evaluation Example 12, a non-fluorine antifouling agent composition was obtained in the same manner as in Example 3 except that the water dispersion composition for fiber processing was used as that of Example 3.

Evaluation example 15
In Evaluation Example 12, a non-fluorine-based antifouling agent composition was obtained in the same manner as in Example 7, except that the water dispersion composition for fiber processing used was that of Example 7.

Comparative evaluation example 2
In Evaluation Example 12, a non-fluorinated antifouling agent composition was obtained in the same manner except that the water dispersion composition for fiber processing used in Comparative Example 1 was used.

(Preparation of test piece)
<For antifouling evaluation>
A polyester fabric was immersed in the non-fluorine antifouling agent composition obtained in Evaluation Example 12, and squeezed with a mangle. Thereafter, the polyester fabric to which the treatment liquid had adhered was dried using a pin tenter at 120° C. for 2 minutes to obtain stain-resistant treated fibers (polyester fabric test pieces).

(Evaluation Examples 13 to 15 and Comparative Evaluation Example 2)
In Evaluation Example 12, antifouling treated fibers were produced and evaluated in the same manner as Evaluation Example 11, except that the type of water dispersion composition for fiber processing was changed as shown in Table 4. The results are shown in Table 4.

(Antifouling property (SG property): liquid stain test)
According to JIS-L-1919 B method (spray method), 100 ml of the stain ingredient (1:1 mixture of 0.1% Food Red No. 2 and 10.0% sucrose) was added to the above antifouling treated fiber (20 cm x 20 cm). was sprayed, and the contaminants were absorbed using filter paper with a diameter of 11 cm. After being left for about 1 minute, it was dried at room temperature and the antifouling properties (SG properties) were evaluated. The results were visually evaluated using the following grades. The results are shown in Table 4.
Stain resistance: Condition
5: No adhesion on the surface
4: Slight adhesion on the surface
3: Partial adhesion to the surface
2: Those showing adhesion to the surface
1: Shows adhesion on the entire surface
0: Complete infiltration on both front and back surfaces

(Washing durability stain resistance (SG property) test)
Washing durability stain resistance (washing durability stain resistance) Washing durability (SG property) was evaluated. The results are shown in Table 4.

(Sliding test)
The above soil-resistant treated fibers were tested with warp slippage at a load of 117.2N (12kgw) in accordance with JIS L 1096-99.8.21.1 seam slippage method B method, and seam slippage properties were tested. was evaluated. The results are shown in Table 4.

(Texture test)
The feel of the stain-resistant treated fibers was evaluated on the following five scales based on the feel of the hands. Evaluation was performed by five measurers, and the average value was calculated. The results are shown in Table 4.
1: Very hard 2: Hard 3: Slightly hard 4: Soft 5: Very soft

Claims (7)

Contains a rosin resin (A) and a nonionic surfactant (B),
An aqueous dispersion composition for fiber processing , wherein the rosin resin (A) has a hydroxyl value of 10 to 50 mgKOH/g . The aqueous dispersion composition for fiber processing according to claim 1, wherein the softening point of component (A) is 80 to 180°C. The aqueous dispersion composition for fiber processing according to claim 1 or 2, wherein the component (A) is a rosin ester. The aqueous dispersion composition for fiber processing according to any one of claims 1 to 3, wherein component (B) has an HLB of 7 to 19. The aqueous dispersion composition for fiber processing according to any one of claims 1 to 4, which is used for polyester fibers. The aqueous dispersion composition for fiber processing according to any one of claims 1 to 4, which is used for polyamide fibers. The aqueous dispersion composition for textile processing according to any one of claims 1 to 4, which is used for cotton.