JP2001146685A - Synthetic fiber treatment agent and treatment of synthetic fiber - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an auxiliary for synthetic fiber that can simultaneously impart smoothness and flexibility of satisfactory durability to synthetic fiber and a method for treating synthetic fiber therewith. SOLUTION: This synthetic fiber treatment agent comprises a specific linear polyorganosiloxane, a specific diol and a specific silane in a specific proportion, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a synthetic fiber treating agent and a method for treating synthetic fibers. Synthetic fiber cotton is used for beddings such as futons, pillows and cushions, clothing such as quilts and downs, and for filling cotton such as stuffed animals.
This type of synthetic fiber cotton is required to have both excellent smoothness and flexibility in nature, and at the same time, to have sufficient durability. The present invention relates to a synthetic fiber treating agent and a synthetic fiber treating method capable of obtaining a synthetic fiber cotton meeting such a demand.

[0002]

2. Description of the Related Art Conventionally, as synthetic fiber treating agents capable of obtaining synthetic fiber cotton having smoothness and flexibility, 1) those comprising various modified polyorganosiloxanes (JP-A-53-37996, JP-A-53-37996) 1-37515, U.S. Pat.
251794), 2) Those using a combination of various modified polyorganosiloxanes and a silane compound (JP-A-51-37)
996, JP-A-55-1393, and JP-B-61-1138.
20, Japanese Patent Publication No. 3-977971), 3) Those using a combination of a plurality of types of modified polyorganosiloxanes and silane compounds (Japanese Patent Application Laid-Open No. 5-59673, Japanese Patent Publication No. 50-48293, Japanese Patent Publication No. 50-94295, Japanese Patent Publication No. 59-223375) , JP-B-62-41378, JP-B-62-276090, JP-B 1-2221580, JP-B-2-154076),
4) Further, various surfactants and the like are used in combination (Japanese Unexamined Patent Publication No.
-306683, JP-A-10-96173, JP-A-10-96173
-131054, Japanese Patent Publication 2-84580, Japanese Patent Publication 2-1
69773, Japanese Patent Publication 2-1829776, Japanese Patent Publication 3-15
2275) has been proposed. However, all of these conventional proposals have a drawback that they are insufficient in imparting both excellent smoothness and flexibility to the obtained synthetic fiber cotton, especially in imparting their durability.

[0003]

The problem to be solved by the present invention is that a conventional synthetic fiber treating agent is required to impart both excellent smoothness and flexibility to the obtained synthetic fiber cotton. The point is that they are insufficient in imparting their durability.

[0004]

Means for Solving the Problems The inventors of the present invention have studied to solve the above-mentioned problems, and as a result, as a treating agent for synthetic fibers, a specific linear polyorganosiloxane,
It has been found that those containing a specific diol compound and a specific silane compound in a predetermined ratio are correct and suitable.

That is, the present invention relates to
90% by weight, the following B component is contained at 4 to 65% by weight, and the following C component is contained at a ratio of 1 to 15% by weight, and these components are contained at a total amount of 60 to 95% by weight. The present invention relates to a synthetic fiber treating agent. The present invention also relates to a method for treating synthetic fibers in which the synthetic fiber treating agent is adhered to synthetic fibers under predetermined conditions and heat-treated.

A component: a linear polyorganosiloxane (P) composed of a siloxane unit represented by the following formula 1, a siloxane unit represented by the following formula 3, and a silyl unit represented by the following formula 4; A linear polyorganosiloxane composed of a siloxane unit represented by the following formula 1, a siloxane unit represented by the following formula 2, a siloxane unit represented by the following formula 3, and a silyl unit represented by the following formula 4 ( Q) one or more linear polyorganosiloxanes having a viscosity at 25 ° C. in the range of 1 × 10 ^{−4 to 2} m ² / s

[0007]

[Formula 1] [R ¹ R ² SiO _1/2 ]

[Formula 2] [R ³ R ⁴ SiO _1/2 ]

(Equation 3)

(Equation 4)

In the formulas (1) to (4), R ^{1 to} R ³ : an alkyl group having 1 to 4 carbon atoms R ⁴ : an amino group represented by the following formula 5, a fluoroalkyl group having 1 to 4 carbon atoms, a phenyl group, a hydroxyalkyl group having 2 or 3 carbon atoms, an organic group having an epoxy group, an organic group having a polyether group, an organic group R ⁵ to R ⁸ having an organic group, or an amide group having a carboxyl group: 1 to 4 carbon atoms Alkyl group, fluoroalkyl group having 1 to 4 carbon atoms, phenyl group, or hydroxyalkyl group having 2 or 3 carbon atoms

[0009]

[Formula 5] -Z ^1- (NH-Z ² ) _n -NH-Z ³

In the formula 5, Z ¹ , Z ² : an alkylene group having 2 to 5 carbon atoms Z ³ : hydrogen or an alkyl group having 1 to 3 carbons n: 0 or 1

Component B: one or more diol compounds selected from monoester diol, ether diol, diester diol, polyether diol, polyether diester diol, nitrogen-containing diol and nitrogen-containing polyether diol, And the molecular weight is 60
Diol compounds in the range of ~ 2000

Component C: one or more selected from disilanol silane compounds represented by the following formula 6 and disilanol group-forming silane compounds represented by the following formula 7

[0013]

[Formula 6] R ⁹ R ¹⁰ Si (OH) ₂

[Formula 7] R ¹¹ R ¹² SiX ¹ X ²

In the formulas (6) and (7), R ^{9 to} R ¹² are organic groups having a carbon atom directly bonded to a silicon atom. X ¹ and X ² are atoms or atomic groups forming a silanol group by hydrolysis.

In the synthetic fiber treating agent of the present invention, the linear polyorganosiloxane used as the component A includes 1)
A siloxane unit constituting the main chain is a siloxane unit represented by the formula 1, one terminal group is a siloxane unit represented by the formula 3, and the other terminal group is a silyl unit represented by the formula 4. Polyorganosiloxane (P), 2) siloxane units constituting the main chain are a siloxane unit represented by the formula 1 and a siloxane unit represented by the formula 2, and one terminal group is a siloxane unit represented by the formula 3; A linear polyorganosiloxane (Q) whose other terminal group is a silyl unit represented by the formula 4 is included.

In the siloxane unit represented by the formula 1 constituting the main chain of the linear polyorganosiloxane (P) or (Q), R ¹ and R ² represent a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group. Although it is a C1-C4 alkyl group, such as a group, a methyl group is preferable especially.

In the siloxane unit represented by the formula 2 constituting the main chain of the linear polyorganosiloxane (Q),
³ is the same as R ¹ and R ² described above. R ⁴ includes 1) an amino group represented by the formula 5, 2) a γ-trifluoropropyl group, a β, γ-pentafluoropropyl group, a heptafluoropropyl group, a pentafluoroethyl group or the like. A fluoroalkyl group, 3) a phenyl group, 4) a hydroxyalkyl group having 2 or 3 carbon atoms such as a 2-hydroxyethyl group or a 3-hydroxypropyl group, 5) a γ-glycidoxypropyl group, β- (3,4 -Epoxy) an organic group having an epoxy group such as cyclohexylethyl group, 6) an organic group having a polyether group such as ω-polyoxyalkylene glycol propyl group, ω-polyoxyalkylene glycol ethyl group, 7) 2-carboxyethyl Group, an organic group having a carboxyl group such as a 3-carboxypropyl group,
8) Organic groups having an amide group such as a 2-amidoethyl group and a 3-amidopropyl group.

In the above 1) to 8), R ⁴ is preferably an amino group represented by the formula (5). As the amino group represented by the formula 5, a) n = 0, an aminoalkyl group when Z ³ is hydrogen, b) n = 0,
A substituted alkylaminoalkyl group when 3 is an alkyl group having 1 to ³ carbon atoms, c) an aminoalkylaminoalkyl group where n = 1 and Z ³ is hydrogen, d) n =
And a substituted alkylaminoalkylaminoalkyl group when Z ³ is an alkyl group having 1 to ³ carbon atoms. Specific examples of the above a) include a 2-aminoethyl group, a 3-aminopropyl group, and a 4-aminobutyl group, and a 2-aminoethyl group and a 3-aminopropyl group are more preferable. Specific examples of the above b) include 2-
(N-methylamino) ethyl group, 3- (N-methylamino) propyl group, 4- (N-ethylamino) butyl group and the like. As a specific example of the above c), N- (2-
Aminoethyl) -3-aminopropyl group, N- (2-aminoethyl) -2-aminoethyl group and the like,
An N- (3-aminopropyl) -3-aminopropyl group is more preferred. As a specific example of the above d), N- [2-
(N-methylamino) ethyl] -3-aminopropyl group, N- [2- (N-methylamino) ethyl] -2-aminoethyl group and the like.

The linear polyorganosiloxane (Q) has a siloxane unit represented by the formula 1 and a siloxane unit represented by the formula 2 as siloxane units constituting a main chain. It is preferable to have a ratio of unit / siloxane unit represented by formula 2 ≧ 90/10 (molar ratio), and a ratio of siloxane unit represented by formula 1 / siloxane unit represented by formula 2 ≧ 95/5 (molar ratio). Is more preferable.

In the siloxane unit represented by the formula 3 which constitutes one terminal group of the linear polyorganosiloxane (P) or (Q), R ⁵ and R ⁶ are 1) a methyl group, an ethyl group, a propyl group, An alkyl group having 1 to 4 carbon atoms such as butyl group; 2) a fluoroalkyl having 1 to 4 carbon atoms such as γ-trifluoropropyl group, β, γ-pentafluoropropyl group, heptafluoropropyl group and pentafluoroethyl group Group,
3) A phenyl group, 4) a hydroxyalkyl group having 2 or 3 carbon atoms such as a 2-hydroxyethyl group and a 3-hydroxypropyl group, with a methyl group being preferred.

In the silyl unit represented by the formula (4) constituting another terminal group of the linear polyorganosiloxane (P) or (Q), R ⁷ and R ⁸ are the same as R ⁵ and R ⁶ described above. Of these, a methyl group is preferred.

The linear polyorganosiloxane used as the component A is a linear polyorganosiloxane composed of the siloxane unit represented by the above formula 1, the siloxane unit represented by the formula 3, and the silyl unit represented by the formula 4 (P) and a linear polyorganosiloxane (Q) composed of a siloxane unit represented by Formula 1, a siloxane unit represented by Formula 2, a siloxane unit represented by Formula 3, and a silyl unit represented by Formula 4. One or more selected. Among them, the linear polyorganosiloxane used as the component A includes a siloxane unit represented by the formula 1 when R ¹ and R ^{2 in} the formula 1 are a methyl group, and R ⁵ and R ⁶ in the formula 3 are methyl. A siloxane unit when it is a group and formula 4
A linear polyorganosiloxane (P) composed of a silyl unit when R ⁷ and R ^{8 in the} formula are methyl groups;
A siloxane unit represented by the formula 1 when R ¹ and R ^{2 in} the formula are methyl groups; and a siloxane unit when R ³ in the formula 2 is a methyl group and R ⁴ is an amino group represented by the formula 5 And a siloxane unit when R ⁵ and R ^{6 in} Formula 3 are methyl groups, and a silyl unit when R ⁷ and R ^{8 in} Formula 4 are methyl groups (Q ) Is preferable, and a mixture of the linear polyorganosiloxane (P) and the linear polyorganosiloxane (Q) is particularly preferable.

The linear polyorganosiloxane as the component A described above has a viscosity at 25 ° C. of 1 × 10 ⁻⁴ or less.
Used as the 2m ² / s, however, it is preferred to use those ^{1 × 10 -3 ~1m 2 / s} . Such a linear polyorganosiloxane itself can be obtained by a known synthesis method, for example,
No. 221580, JP-A-6-220777, and JP-A-7-54275.

In the treating agent for synthetic fibers of the present invention, the diol compound used as the component B includes: 1) 1 mol of monohydroxymonocarboxylic acid such as glycolic acid, lactic acid, glyceric acid, ethylene glycol, propylene glycol, A monoester diol obtained by subjecting 1 mol of an alkanediol having 2 to 6 carbon atoms such as 4-butanediol, neopentyl glycol, and 1,6-hexanediol to an esterification reaction; Ether diol obtained by adding and reacting a lower alkylene oxide such as ethylene oxide, propylene oxide or 1,2-butylene oxide at a mole ratio of 1 mole per hydroxyl group of alkanediol; 3) oxalic acid, malonic acid, succinic acid, glutar Acid, adipic acid, suberic acid, azelaic acid, sebacic acid, Maleic acid, fumaric acid, and an aliphatic dicarboxylic acid 1 mole of 2 to 10 carbon atoms such as citraconic acid,
1) a diester diol obtained by esterifying 2 moles of an alkanediol having 2 to 6 carbon atoms; 4) an addition reaction of the lower alkylene oxide of 2) to the alkanediol having 2 to 6 carbon atoms of 1). Polyether diols such as polyoxyethylene diol, polyoxypropylene diol, polyoxybutylene diol, and polyoxyethylene polyoxypropylene diol; 5)
A polyether diester diol obtained by subjecting 2 mol of the 4) polyether diol and 1 mol of the aliphatic dicarboxylic acid having 2 to 10 carbon atoms of the 3) to an esterification reaction is exemplified.

The diol compounds used as the component B include 6a) N, N-di (2-hydroxyethyl) methylamine, N, N-di (2-hydroxyethyl) ethylamine, N, N-di (2- (Hydroxyethyl) propylamine, N, N-di (2-hydroxyethyl) butylamine, N, N-di (2-hydroxyethyl) pentylamine, N, N-di (2-hydroxyethyl) hexylamine, N, N -Di (2-hydroxyethyl) octylamine, N, N-di (2-hydroxyethyl) laurylamine, N, N-di (2-hydroxyethyl) palmitylamine, N, N-di (2-hydroxyethyl ) Palmitrelamine, N, N-di (2-hydroxyethyl) oleylamine, N, N-di (2-hydroxyethyl) stearylamine, - di (2-hydroxyethyl) behenyl amine, N, N-di (3-hydroxypropyl) lauryl amine, N, N-di (3-hydroxypropyl)
Carbon number such as palmitylamine, N, N-di (3-hydroxypropyl) palmitrelamine, N, N-di (3-hydroxypropyl) oleylamine, N, N-di (3-hydroxypropyl) stearylamine Nitrogen-containing diols in which nitrogen atoms of 1 to 22 aliphatic primary amines are substituted with two lower monohydroxyalkyl groups, 6b) N, N
-Di (2-hydroxyethyl) acetamide, N, N-
Di (2-hydroxyethyl) propionamide, N,
N-di (2-hydroxyethyl) octanoic acid amide,
N, N-di (2-hydroxyethyl) lauric amide, N, N-di (2-hydroxyethyl) palmitic amide, N, N-di (2-hydroxyethyl) oleic amide, N, N-di (2-hydroxyethyl) stearic acid amide, N, N-di (2-hydroxyethyl) behenic acid amide, N, N-di (3-hydroxypropyl) lauric acid amide, N, N-di (3-hydroxypropyl) ) 1 carbon atoms such as palmitic acid amide, N, N-di (3-hydroxypropyl) oleic acid amide, N, N-di (3-hydroxypropyl) stearic acid amide
And nitrogen-containing diols in which the nitrogen atom of the aliphatic primary amides No. 22 to 22 is substituted with two lower monohydroxyalkyl groups.

The diol compounds used as the component B include 7a) N, N-di (polyoxyethylene) methylamine, N, N-di (polyoxyethylene) ethylamine, N, N-di (polyoxyethylene) Propylamine, N, N-di (polyoxyethylene) butylamine,
N, N-di (polyoxyethylene) pentylamine,
N, N-di (polyoxyethylene) hexylamine,
N, N-di (polyoxyethylene) octylamine,
N, N-di (polyoxyethylene) laurylamine,
N, N-di (polyoxyethylene) palmitylamine,
N, N-di (polyoxyethylene) oleylamine,
N, N-di (polyoxypropyl) stearylamine,
N, N-di (polyoxypropyl) behenylamine,
N, N-di (polyoxypropyl) laurylamine,
N, N-di (polyoxypropyl) palmitylamine,
Aliphatic 1 having 1 to 22 carbon atoms, such as N, N-di (polyoxypropyl) palmitreylamine, N, N-di (polyoxypropyl) oleylamine, N, N-di (polyoxypropyl) stearylamine Nitrogen-containing polyether diol obtained by adding a lower alkylene oxide to a lower amine, 7b) N, N-di (polyoxyethylene) acetamide, N, N-di (polyoxyethylene) propionamide, N, N-diamide (Polyoxyethylene) octanoic acid amide, N, N-di (polyoxyethylene) lauric acid amide, N, N-di (polyoxyethylene) palmitic acid amide, N, N-di (polyoxyethylene) oleic acid amide N, N-di (polyoxypropyl) stearamide, N, N-di (polyoxypropyl)
Behenic acid amide, N, N-di (polyoxypropyl)
Lauric amide, N, N-di (polyoxypropyl)
Oleic acid amide, N, N-di (polyoxypropyl)
Nitrogen-containing polyether diols obtained by adding a lower alkylene oxide to an aliphatic primary amide having 1 to 22 carbon atoms such as stearic acid amide.

The diol compound used as the component B is one or more selected from the diol compounds described above, and among them, one or more selected from polyether diols, nitrogen-containing diols and nitrogen-containing polyether diols Two or more are preferable, and aliphatic 1 having 8 to 18 carbon atoms
The nitrogen atom of the lower amine is a lower monohydroxyalkyl group 2
Nitrogen-containing diol substituted with two lower monohydroxyalkyl groups wherein the nitrogen atom of an aliphatic primary amide having 8 to 18 carbon atoms, aliphatic primary amine having 8 to 18 carbon atoms A nitrogen-containing polyether diol obtained by adding ethylene oxide and / or propylene oxide to ethylene oxide and / or propylene oxide; and a nitrogen-containing polyether diol obtained by adding ethylene oxide and / or propylene o to an aliphatic primary amide having 8 to 18 carbon atoms. preferable.

As the diol compound as the component B described above, those having a molecular weight of 60 to 2,000 are used.
It is preferable to use those having 0 to 1000.

In the synthetic fiber treating agent of the present invention, the component C includes 1) a disilanol silane compound represented by the formula 6, and 2) a disilanol group-forming silane compound represented by the formula 7.

In the disilanol silane compound represented by the formula 6 used as the component C, R ⁹ and R ¹⁰ are organic groups having a carbon atom directly connected to a silicon atom. Examples of such organic groups include 1) an unsubstituted hydrocarbon group having a carbon atom directly bonded to a silicon atom, and 2) a substituted hydrocarbon group having a carbon atom directly bonded to a silicon atom. Examples of the unsubstituted hydrocarbon group of the above 1) include an alkyl group, a cycloalkyl group, an aryl group, an alkylaryl group, an aralkyl group and the like. Preferred are alkyl groups of 4 to 4 or phenyl groups. Examples of the substituted hydrocarbon group of the above 2) include a substituted hydrocarbon group having a halogen, an epoxy group, a cyano group, a ureido group, a vinyl group, and the like. Among them, a γ-glycidoxypropyl group is preferable. And a substituted hydrocarbon group having a halogen such as a γ-chloropropyl group or a γ-trifluoropropyl group, and a substituted hydrocarbon group having an epoxy group such as a β- (3,4-epoxy) cyclohexylethyl group.

Examples of such a disilanolsilane compound having an organic group include dimethylsilanediol, diethylsilanediol, γ-glycidoxypropylmethylsilanediol, β- (3,4-epoxy) cyclohexylethylmethylsilanediol, γ -Chloropropylmethylsilanediol, γ-trifluoropropylmethylsilanediol and the like.

In the disilanol group-forming silane compound represented by the formula 7 used as the component C, R ¹¹ and R ^11
12 is the same as R ⁹ and R ¹⁰ described above.

In the disilanol group-forming silane compound represented by the formula 7, X ¹ and X ² include 1) an atom forming a silanol group by hydrolysis, and 1) an atomic group forming a silanol group by hydrolysis. Is done. Examples of the atom 1) include a halogen atom such as a chlorine atom and a bromine atom or a hydrogen atom. Examples of the atomic group 2) include an alkoxy group having 1 to 4 carbon atoms such as a methoxy group and an ethoxy group, an alkoxyethoxy group having an alkoxy group having 1 to 4 carbon atoms such as a methoxyethoxy group and a butoxyethoxy group, and an acetoxy group. 2-4 carbon atoms such as and propoxy groups
N, N-dialkylamino group having an alkyl group having 1 to 4 carbon atoms such as an acyloxy group, a dimethylamino group and a diethylamino group.

Examples of the disilanol group-forming silane compound having such an atom or atomic group include: a) R in the formula 7
^{When 11} and R ¹² are an unsubstituted hydrocarbon group having a carbon atom directly bonded to a silicon atom, dimethyldimethoxysilane, dimethyldiethoxysilane, methylphenyldimethoxysilane, dimethyldiacetoxysilane,
Dimethylbis (dimethylamino) silane, dimethyldichlorosilane, diethyldichlorosilane, diphenyldichlorosilane, dimethylchloromethoxysilane, methylethyldichlorosilane, and the like; b) R in the formula 7
^{When 11} and R ¹² are substituted hydrocarbon groups having a carbon atom directly bonded to a silicon atom, γ-glycidoxypropylmethyldimethoxysilane, γ-glycidoxypropylmethyldiethoxysilane, β- (3 Silane compounds having an epoxy group such as 2,4-epoxycyclohexyl) ethylmethyldimethoxysilane; silane compounds having a haloalkyl group such as γ-chloropropylmethyldimethoxysilane and trifluoropropylmethyldimethoxysilane;
ureido group-containing silane compounds such as γ-ureidopropylmethyldimethoxysilane, cyano group-containing silane compounds such as cyanopropylmethyldimethoxysilane, vinylmethyldimethoxysilane, vinylmethyldiethoxysilane,
Vinyl group-containing silane compounds such as allylmethyldimethoxysilane, mercaptopropylmethyldimethoxysilane, divinyldimethoxysilane, divinyldichlorosilane, vinylmethyldimethoxysilane, vinylmethyldichlorosilane, methacryloxypropylmethyldimethoxysilane, and mercaptopropylmethyldimethoxysilane And mercapto group-containing silane compounds such as mercaptopropylmethyldichlorosilane.

The synthetic fiber treating agent of the present invention contains 20 to 90% by weight of the component A described above and 4 to 65% by weight of the component B.
And C component at a ratio of 1 to 15% by weight and a total of 60 to 95% by weight. ~
It is preferable to contain 50% by weight and the C component in a ratio of 2 to 12% by weight, and to contain them in a total amount of 70 to 92% by weight.

The treating agent for synthetic fibers of the present invention comprises, in addition to the components A, B and C described above, an emulsifying property, an antistatic property,
From the viewpoint of obtaining lubricity, a surfactant can be contained as a balance. Known surfactants can be used as such surfactants. Examples thereof include: 1) polyoxyalkylene alkyl ethers, polyoxyalkylene alkyl phenyl ethers, polyoxyalkylene alkyl esters, and polyoxyalkylenes, each of which has a polyoxyalkylene group consisting of repeating oxyethylene and / or oxypropylene groups. Nonionic surfactants such as castor oil and polyoxyalkylene-hardened castor oil; 2) polyhydric alcohol partial ester type nonionic surfactants such as sorbitan monolaurate, sorbitan triolate, glycerin monolaurate and diglycerin dilaurate Agent,
3) In each case, the polyoxyalkylene group consists of repeating oxyethylene groups and / or oxypropylene groups,
Amino ether type nonionic surfactants such as polyoxyalkylene alkylamino ethers having a long-chain alkyl group, polyether polyamines having three or four polyoxyalkylene amino ether groups, 3) aliphatic sulfate salts, aliphatic Anionic surfactants such as sulfonate salts, aliphatic phosphate salts and aliphatic carboxylate salts; 4) cationic interfaces such as acid-neutralized products of long-chain alkylamines and polyoxyalkylenealkylaminoethers; Activator, 5) tetraalkyl ammonium salt,
Cationic surfactants such as alkylimidazolinium salts and tetraalkylphosphonium salts; 5) amphoteric surfactants such as long-chain alkyldimethylbetaines, betaine compounds of alkylimidazolines, and long-chain alkylamino acids;

The content of such a surfactant is 5 to 40% by weight, preferably 8 to 30% by weight.

Next, the processing method of the present invention will be described.
As the form of the synthetic fiber treating agent when the synthetic fiber treating agent of the present invention is attached to synthetic fibers, known forms such as an organic solvent solution or an aqueous liquid can be applied, and the synthetic fiber of the present invention can be applied to synthetic fibers. Examples of the step of attaching the fiber treatment agent include a spinning step, a drawing step, and a cotton-making step.
Above all, the synthetic fiber treating agent of the present invention is made into an aqueous liquid of 1 to 30% by weight, and the aqueous liquid becomes 0.05 to 1.5% by weight of the synthetic fiber after drawing as the synthetic fiber treating agent. And a heat treatment at 130 to 180 ° C. is preferable. As a method for attaching the synthetic fiber treating agent to the synthetic fibers, a roller oiling method, a dipping oiling method, a spray oiling method, or the like can be applied. When attaching, other components, if appropriate,
For example, an antioxidant, a rust inhibitor, an antibacterial agent and the like can be used in combination.

The synthetic fibers to which the synthetic fiber treating agent and the synthetic fiber treating method of the present invention are applied include: 1) polyester fibers, 2) polyamide fibers such as nylon 6 and nylon 66, and 3) polyacrylic fibers. 4) vinyl chloride,
Modacrylic fiber obtained by copolymerizing halogen-containing vinyl monomer such as vinylidene chloride and acrylonitrile; 5) Polyolefin fiber such as polyethylene and polypropylene;
6) Polyurethane fibers and the like are mentioned, but when applied to polyester fibers, the effects of the present invention are remarkably exhibited.

[0040]

BEST MODE FOR CARRYING OUT THE INVENTION The treating agent for synthetic fibers according to the present invention
Embodiments include the following 1) to 20). 1) The following component A is 65% by weight and component B is 10% by weight.
And a C fiber treating agent containing 5% by weight. A component: R in formulas 1, 3 and 4¹, R^TwoAnd R^Five~ R⁸
Is a linear polyorganosiloxane where is a methyl group
And the viscosity at 25 ° C. is 1.0 m^Two/ S line
50 parts by weight of a polyorganosiloxane (A-1)
1 to R in Formula 4 ¹~ R^ThreeAnd R^Five~ R⁸Is a methyl group, R^FourBut
A linear amino acid in the case of a 3-aminopropylaminoethyl group
Liorganosiloxane, having a viscosity at 25 ° C.
The degree is 8.0 × 10^-1m^Two/ S linear polyorganoshiroki
Mixture with 15 parts by weight of sun (A-3) B component: N, N-di (polyoxy) having a molecular weight of 360
Ethylene) laurylamine (B-1) C component: R in the formula 6⁹And R^TenIs a methyl group
Disilanol silane compound (C-1)

2) A synthetic fiber treating agent comprising the following component A, 65% by weight, component B, 15% by weight and component C, 5% by weight. A component: R ¹ , R ² and R ^{5 to} R ^{8 in} formulas 1, 3 and 4
Is a linear polyorganosiloxane in which is a methyl group, and has a viscosity at 25 ° C. of 1.0 × 10 ⁻¹ m ²
/ S linear polyorganosiloxane (A-2) of 45 parts by weight, R ^{1 to} R ³ and R ^{5 to} R ⁸ in Formulas 1 to 4 are methyl groups, and R ⁴ is a 3-aminopropylaminoethyl group. Is a linear polyorganosiloxane, and 25 ° C.
With 20 parts by weight of a linear polyorganosiloxane (A-4) having a viscosity of 3.5 × 10 ⁻³ m ² / s in Example B Component: N, N-di (polyoxyethylene) stearin having a molecular weight of 700 Acid amide (B-2) C component: Disilanol silane compound (C-2) when R ⁹ and R ^{10 in} Formula 6 are an ethyl group

3) A synthetic fiber treating agent comprising the following component A at 65% by weight, component B at 15% by weight and component C at 10% by weight. A component: The above-mentioned linear polyorganosiloxane (A-1)
A linear polyorganosiloxane wherein R ^{1 to} R ³ and R ^{5 to} R ⁸ in the formulas 1 to 4 are methyl groups and R ⁴ is a 3-aminopropyl group, and Mixture with 20 parts by weight of a linear polyorganosiloxane (A-5) having a viscosity at 4.5 ° C. of 4.5 × 10 ⁻³ m ² / s B component: polyethylene glycol (B-3) having a number average molecular weight of 600 C Component: Disilanol silane compound (C-4) wherein R ^{9 in} Formula 6 is a methyl group and R ¹⁰ is a 3-aminopropylaminoethyl group

4) A synthetic fiber treating agent comprising the following component A, 65% by weight, component B, 15% by weight, and component C, 10% by weight. A component: The above-mentioned linear polyorganosiloxane (A-1)
20 parts by weight of the linear polyorganosiloxane (A
-4) A mixture with 45 parts by weight B component: N, N-di (2-hydroxyethyl) octylamine having a molecular weight of 200 (B-4) C component: The above-mentioned disilanol silane compound (C-1)

5) A synthetic fiber treating agent comprising 70% by weight of the following component A, 15% by weight of component B, and 7% by weight of component C. A component: The above-mentioned linear polyorganosiloxane (A-1) B component: N, N-di (2-hydroxyethyl) oleic amide (B-5) having a molecular weight of 470 C component: R in the formula 7 ¹¹ and R ¹² are methyl groups, X ¹ and X ²
A silane compound capable of forming a disilanol group when is a methoxy group (C-5)

6) A synthetic fiber treating agent comprising 70% by weight of the following component A, 15% by weight of component B and 7% by weight of component C. A component: The above-mentioned linear polyorganosiloxane (A-2) B component: N, N-di (2-hydroxyethyl) octylamine (B-4) having a molecular weight of 200 C component: R ¹¹ in the formula 7 And R ¹² is an ethyl group, X ¹ and X ²
A silane compound capable of forming a disilanol group when is an ethoxy group (C-6)

7) A synthetic fiber treating agent comprising 70% by weight of the following component A, 15% by weight of component B, and 7% by weight of component C. A component: The above-mentioned linear polyorganosiloxane (A-1) B component: N, N-di (polyoxyethylene) laurylamine (B-1) having a molecular weight of 360 C component: The above-mentioned disilanol silane compound ( C-4)

8) A synthetic fiber treating agent comprising the following component A at 75% by weight, component B at 10% by weight and component C at 5% by weight. A component: The above-mentioned linear polyorganosiloxane (A-3) B component: N, N-di (polyoxyethylene) laurylamine (B-1) having a molecular weight of 360 C component: R ¹¹ in the formula 7 is A disilanol group-forming silane compound wherein a methyl group, R ¹² is a 3-aminopropylaminoethyl group, and X ¹ and X ² are methoxy groups (C-8)

9) A synthetic fiber treating agent comprising the following component A at 55% by weight, component B at 25% by weight and component C at 5% by weight. A component: The above-mentioned linear polyorganosiloxane (A-3) B component: N, N-di (polyoxyethylene) stearamide (B-2) having a molecular weight of 700 C component: The above-mentioned disilanol group-forming ability Silane compound (C
-8)

10) A synthetic fiber treating agent comprising the following component A at 40% by weight, component B at 45% by weight and component C at 3% by weight. A component: The above-mentioned linear polyorganosiloxane (A-1) B component: N, N-di (2-hydroxyethyl) oleic amide (B-5) having a molecular weight of 470 C component: The above-mentioned disilanol group formation Silane compound (C
-5)

11) A synthetic fiber treating agent comprising the following component A at 45% by weight, component B at 15% by weight and component C at 10% by weight. A component: The above-mentioned linear polyorganosiloxane (A-3) B component: N, N-di (2-hydroxyethyl) oleic amide (B-5) having a molecular weight of 470 C component: The above-mentioned disilanol group formation Silane compound (C
-5)

12) A synthetic fiber treating agent comprising the following component A at 65% by weight, component B at 15% by weight and component C at 5% by weight. A component: The above-mentioned linear polyorganosiloxane (A-4) B component: N, N-di (polyoxyethylene) laurylamine (B-1) having a molecular weight of 360 C component: The above-mentioned disilanol group-forming silane Compound (C
-8)

13) A synthetic fiber treating agent comprising the following component A at 65% by weight, component B at 15% by weight and component C at 5% by weight. A component: The above-mentioned linear polyorganosiloxane (A-5) B component: N, N-di (polyoxyethylene) laurylamine (B-1) having a molecular weight of 360 C component: The above-mentioned disilanol group-forming silane Compound (C
-5)

14) A synthetic fiber treating agent comprising the following component A, 65% by weight, component B, 15% by weight and component C, 5% by weight. Component A: a linear polyorganosiloxane in which R ^{1 to} R ³ , R ⁶ and R ^{8 in} Formulas 1 to 4 are methyl groups, and R ⁴ , R ⁵ and R ⁷ are γ-trifluoropropyl groups. There and 2
Linear polyorganosiloxane (A-6) having a viscosity of 2.0 × 10 ⁻³ m ² / s at 5 ° C. B component: Polyoxyethylene glycol monoester glycolate having a molecular weight of 530 (B-6) C component : Disilanol silane compound (C-3) when R ⁹ and R ^{10 in} Formula 6 are phenyl groups

15) A synthetic fiber treating agent comprising the following component A, 65% by weight, component B, 15% by weight and component C, 5% by weight. Component A: a linear polyorganosiloxane in which R ^{1 to} R ³ , R ⁶ and R ^{8 in} Formulas 1 to 4 are methyl groups, and R ⁴ , R ⁵ and R ⁷ are phenyl groups, and Linear polyorganosiloxane (A-7) having a viscosity of 2.5 × 10 ⁻³ m ² / s at 25 ° C. B component: dodecenyl succinic acid dipolyoxyethylene glycol diester (B-7) having a molecular weight of 400 and C component A silane compound capable of forming a disilanol group when R ¹¹ and R ¹² in the formula 7 are a phenyl group and X ¹ and X ² are a methoxy group (C-7)

16) A synthetic fiber treating agent comprising the following component A, 65% by weight, component B, 15% by weight and component C, 5% by weight. A component: a line in the case where R ¹ , R ² , R ⁶ and R ⁸ in the formulas 1 to 4 are a methyl group, R ³ is an ethyl group, and R ⁴ , R ⁵ and R ⁷ are a 2-hydroxyethyl group. Polyorganosiloxane having a viscosity at 25 ° C. of 1.0 × 10 ⁻³ m ² /
s linear polyorganosiloxane (A-8) B component: adipic acid dipolyoxyethylene glycol diester having a molecular weight of 600 (B-8) C component: R ¹¹ in the formula 7 is a methyl group and R ¹² is γ A glycidoxypropyl group, a disilanol group-forming silane compound wherein X ¹ and X ² are chloro groups (C-9)

17) A synthetic fiber treating agent comprising the following component A, 65% by weight, component B, 15% by weight, and component C, 5% by weight. Component A: a linear polyorganosiloxane wherein R ^{1 to} R ³ and R ^{5 to} R ^{8 in} formulas 1 to 4 are methyl groups and R ⁴ is a γ-glycidoxypropyl group, and 25 Linear polyorganosiloxane (A-9) having a viscosity at 4.0 ° C. of 4.0 × 10 ⁻³ m ² / s B component: Polyoxyethylene glycol monoester glycolate having a molecular weight of 530 (B-6) C component: A disilanol group-forming silane compound (C-10) wherein R ¹¹ in the formula 7 is a methyl group, R ¹² is a γ-trifluoropropyl group, and X ¹ and X ² are methoxy groups.

18) A synthetic fiber treating agent comprising the following A component 65% by weight, B component 15% by weight and C component 5% by weight. Component A: a linear polyorganosiloxane in which R ¹ , R ² and R ^{5 to} R ^{8 in} Formulas 1 to 4 are a methyl group, R ³ is an ethyl group, and R ⁴ is an ω-polyethylene glycol propyl group. And a viscosity at 25 ° C. of 1.3 × 10 ⁻¹ m ²
/ S linear polyorganosiloxane (A-10) B component: polyoxyethylene glycol monoester glycolate having a molecular weight of 530 (B-6) C component: R ¹¹ in the formula 7 is a methyl group and R ¹² is Disilanol group-forming silane compound when cyanopropyl group and X ¹ and X ² are methoxy groups (C-11)

19) A synthetic fiber treating agent comprising the following component A, 65% by weight, component B, 15% by weight and component C, 5% by weight. Component A: a linear polyorganosiloxane wherein R ^{1 to} R ³ and R ^{5 to} R ^{8 in} Formulas 1 to 4 are a methyl group and R ⁴ is a 3-carboxypropyl group, and at 25 ° C. Linear polyorganosiloxane (A-11) having a viscosity of 4.0 × 10 ⁻³ m ² / s B component: dodecenyl succinate dipolyoxyethylene glycol diester having a molecular weight of 400 (B-7) C component: Formula 7 R ¹¹ is a methyl group, R ¹² is a vinyl group, X
Disilanol group-forming silane compound (C-12) when ¹ and X ² are methoxy groups

20) A synthetic fiber treating agent comprising the following component A at 65% by weight, component B at 15% by weight and component C at 5% by weight. Component A: a linear polyorganosiloxane wherein R ^{1 to} R ³ and R ^{5 to} R ^{8 in} Formulas 1 to 4 are methyl groups and R ⁴ is a 3-acetylamidopropyl group, and have a temperature of 25 ° C. B: a linear polyorganosiloxane (A-12) having a viscosity of 4.8 × 10 ⁻³ m ² / s, a component B: adipic acid dipolyoxyethylene glycol diester having a molecular weight of 600 (B-8), and a component C: Wherein R ¹¹ is a methyl group, R ¹² is a 3-mercaptopropyl group, and X ¹ and X ² are methoxy groups (C-13)

The following 21) can be cited as a method for treating synthetic fibers according to the present invention. 21) The synthetic fiber treating agent of any of the above 1) to 20) is added to the drawn polyester fiber in an amount of 0.05 to
A method for treating synthetic fibers which is applied at 3% by weight and heat-treated at 130 to 180 ° C.

The present invention will be described in more detail with reference to examples and the like, but the present invention is not limited to these examples. In the following Examples and Comparative Examples, “parts” means “parts by weight” and “%” means “% by weight” unless otherwise specified.

[0062]

EXAMPLES Test Category 1 (Synthesis of Linear Polyorganosiloxane) Synthesis of Linear Polyorganosiloxane (A-1) 300 g of octamethyltetracyclosiloxane, 3 g of acidic polyoxyethylene (3 mol) lauryl ether sulfate 3 g and 697 g of distilled water was emulsified using a homogenizer, and this was charged in a flask, and a polymerization reaction was performed at 40 ° C. for 72 hours. After the reaction system was cooled to room temperature, it was neutralized with potassium hydroxide to obtain a reaction product as an emulsion. The reaction product was separated from the obtained emulsion by a reprecipitation method and analyzed, whereby the siloxane unit represented by the formula 1 was obtained,
A linear polyorganosiloxane comprising a siloxane unit represented by the formula 3 and a silyl unit represented by the formula 4, wherein R ¹ , R ² and R ^{5 to} R ^{8 in} the formulas 1, 3 and 4 are methyl And a linear polyorganosiloxane having a viscosity of 1 m ² / s at 25 ° C. (A-1).

• Linear polyorganosiloxane (A-2)
In the same manner as in the linear polyorganosiloxane (A-1),
A linear polyorganosiloxane (A-2) was synthesized.

• Linear polyorganosiloxane (A-3)
670 g of octamethyltetracyclosiloxane, 32 g of tetra (3-aminopropylaminoethyl) -tetramethyltetracyclosiloxane, 38 g of 1,10-dihydroxy-eicosamethyldecasiloxane and 0.02 g of potassium hydroxide were charged, and nitrogen gas was added. While blowing
After conducting the polymerization reaction at 140 ° C. for 8 hours, 0.3 g of ethylene chlorohydrin was added, and the mixture was stirred at 100 ° C. for 2 hours.
Potassium hydroxide was neutralized. Then 13x at 130 ° C
10 to remove low fraction under a reduced pressure of ² Pa to obtain a reaction product. When this was analyzed, it was a linear polyorganosiloxane composed of a siloxane unit represented by the formula 1, a siloxane unit represented by the formula 2, a siloxane unit represented by the formula 3, and a silyl unit represented by the formula 4, R ^{1 to} R ³ and R ^{5 to} R ^{8 in} the formulas 1 to ⁴ are methyl groups, R ⁴ is a 3-aminopropylaminoethyl group, siloxane units of the formula 1 / siloxane units of the formula 2 = 98 / 2 (molar ratio), which was a linear polyorganosiloxane (A-3) having a viscosity of 8 × 10 ⁻¹ m ² / s at 25 ° C.

A linear polyorganosiloxane (A-
4) Synthesis of (A-5) and (A-9) to (A-12) In the same manner as for the linear polyorganosiloxane (A-3),
Linear polyorganosiloxanes (A-4), (A-5) and (A-9) to (A-12) were synthesized.

• Linear polyorganosiloxane (A-6)
Synthesis of octamethyltetracyclosiloxane 740 g, γ-trifluoropropylmethylpolysiloxane 52 g, lauryltrimethylammonium chloride 15 g, polyoxyethylene (25 mol) lauryl ether 8 g, polyoxyethylene (8 mol) lauryl ether 5 g and distilled water 1400 g was emulsified using a homogenizer, and this was charged into a flask, and while stirring, 30 g of a 5% aqueous potassium hydroxide solution was added dropwise over 1 hour.
The polymerization reaction was carried out at 70 ° C. for 48 hours. After the reaction system was cooled to room temperature, it was neutralized with acetic acid to obtain a reaction product as an emulsion. The reaction product was separated from the obtained emulsion by a reprecipitation method and analyzed. As a result, the siloxane unit represented by the formula 1, the siloxane unit represented by the formula 2,
Is a linear polyorganosiloxane composed of a siloxane unit represented by the formula and a silyl unit represented by the formula 4, wherein R ^{1 to} R ³ , R ⁶ and R ⁸ in the formulas 1 to 4 are a methyl group, R ⁴ ,
R ⁵ and R ⁷ are γ-trifluoropropyl groups, siloxane units of the formula 1 / siloxane units of the formula 2 = 9
A linear polyorganosiloxane having a molar ratio of 7/3 and a viscosity at 25 ° C. of 2.0 × 10 ⁻³ m
^{It was a 2} / s linear polyorganosiloxane (A-6).

· Linear polyorganosiloxane (A-7)
Synthesis of (A-8) and (A-8) In the same manner as for the linear polyorganosiloxane (A-6),
Linear polyorganosiloxanes (A-7) and (A-8)
Was synthesized. Table 1 summarizes the content of each linear polyorganosiloxane synthesized as described above.

[0068]

[Table 1]

In Table 1, U-1: methyl group U-2: ethyl group SS-1: 3-aminopropylaminoethyl group SS-2: 3-aminopropyl group SS-3: γ-trifluoropropyl group SS -4: phenyl group SS-5: 2-hydroxyethyl group SS-6: γ-glycidoxypropyl group SS-7: ω-polyethylene glycol propyl group SS-8: 3-carboxypropyl group SS-9: 3- Acetylamidopropyl group

Test Category 2 (Preparation of Synthetic Fiber Treatment Agent) Example 1 50 parts of linear polyorganosiloxane (A-1) as component A synthesized in Test Section 1 and linear polyorganosiloxane (A- 3) In 15 parts, the molecular weight as the B component is 3
60 parts of N, N-di (polyoxyethylene) laurylamine (B-1) and 5 parts of dimethylsilanol (C-1) as a C component were further added, and polyoxyethylene (10%) as a surfactant was further added. (Mol) Nonylphenyl ether (20 parts) was added and uniformly mixed to prepare a synthetic fiber treating agent.

Examples 2 to 20 and Comparative Examples 1 to 7 As in Example 1, Examples 2 to 20 and Comparative Examples 1 to
Thus, a synthetic fiber treating agent No. 7 was prepared.

Comparative Example 8 Amino-modified double-ended silanol polyorganosiloxane 60 having a viscosity at 25 ° C. of 8.8 × 10 ⁻⁴ m ² / s
Parts, 40 parts of an amino-modified one-terminal silanol polyorganosiloxane having a viscosity at 25 ° C. of 1.1 × 10 ⁻³ m ² / s, 4 parts of polyoxyethylene (10 mol) nonylphenyl ether, 1 part of acetic acid, colloidal silica 1 part and 1.4 parts of zinc octoate were uniformly mixed to prepare a synthetic fiber treating agent.

Comparative Example 9 Amino-modified double-ended silanol polyorganosiloxane 36 having a viscosity at 25 ° C. of 7.2 × 10 ⁻⁴ m ² / s
Parts, 1.5 parts of an epoxy-modified polyorganosiloxane having a viscosity at 25 ° C. of 2.7 × 10 ⁻⁴ m ² / s and 2.5 parts of polyoxyethylene (10 mol) nonylphenyl ether are uniformly mixed and synthesized. A fiber treating agent was prepared.

Comparative Example 10 Aminopolyether-modified polyorganosiloxane 100 having a viscosity at 25 ° C. of 3.0 × 10 ⁻⁴ m ² / s
Parts, 30 parts of an amide compound obtained by reacting diethylenetriamine, stearic acid and maleic anhydride, 9 parts of polyoxyethylene (10 mol) lauryl ether and 1 part of acetic acid were uniformly mixed to prepare a treating agent for synthetic fibers.

Comparative Example 11 90 parts of methyl hydrogen siloxane at 20 ° C.
5.5 × 10 ^-Fourm^Two/ S amino-modified poly
15 parts of organosiloxane, polyoxyethylene (10 parts)
Mol) lauryl ether 4 parts and zinc octoate 1
The parts were uniformly mixed to prepare a synthetic fiber treating agent.

Table 2 summarizes the contents of the component B used in the preparation of the synthetic fiber treating agents of Examples 1 to 20 and Comparative Examples 1 to 7, and Table 3 summarizes the contents of the component C. . Further, the compositions of the synthetic fiber treating agents prepared in each of these examples are shown in Tables 4 and 5.

[0077]

[Table 2]

[0078]

[Table 3]

In Table 3, US-1: methyl group US-2: ethyl group US-3: phenyl group US-4: 3-aminopropylaminoethyl group US-5: γ-glycidoxypropyl group US-6 : Γ-trifluoropropyl group US-7: cyanopropyl group US-8: vinyl group US-9: 3-mercaptopropyl group UD-1: methoxy group UD-2: ethoxy group UD-3: chloro group

Test Category 3 (Attachment of synthetic fiber treating agent to polyester staple fiber and evaluation thereof) Adhesion of synthetic fiber treating agent to polyester staple fiber Water was added to each synthetic fiber treating agent prepared in Test Category 1 Was added and mixed uniformly to obtain a 4% aqueous liquid. This aqueous liquid was applied to a cotton-made semi-dal polyester staple fiber (fineness 0.7
(Tex, fiber length 50 mm) as a synthetic fiber treating agent was applied by a spray oiling method so as to have the amount shown in Table 4 or Table 5, and heat-treated at 150 ° C. for 30 minutes using a hot air drier. After the heat treatment, the resultant was conditioned overnight at 25 ° C. in an atmosphere of 55% RH to obtain a treated polyester staple fiber.

Evaluation 400 g of the above treated polyester staple fiber
Was made into a card sliver using a roller card (manufactured by Daiwa Kiko Co., Ltd.). 20 grams of this card sliver
Each of these was used as a sample for sensory evaluation. Ten samples of the sensory evaluation were given a score of smoothness and flexibility by the following evaluation criteria 1 by 10 panelists in an atmosphere of 60% RH at 25 ° C., and the total was calculated. 2 was evaluated. In addition, each of the remaining ten samples for sensory evaluation was put in a gauze bag to obtain a card sliver containing a gauze bag. A card sliver containing a gauze bag and two rubber balls of 50 g were put in a box of an ICI pilling tester, and an ICI pilling tester was operated for one hour to perform an impact test with a rubber ball.
In the same manner as above, the durability of smoothness and flexibility was evaluated. The results are summarized in Tables 4 and 5.

Evaluation Criteria 15: Both smoothness and flexibility are excellent 4: One of smoothness and flexibility is excellent, but the other is good 3: Both smoothness and flexibility are good 2: One of smoothness and flexibility is good, but the other is poor 1: Both smoothness and flexibility are poor

Evaluation Criteria 2 合計: Total points 50 to 40 合計: Total points 39 to 30 Δ: Total points 29 to 20 ×: Total points 19 to 15 XX: Total points 14 to 10

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[Table 4]

[0085]

[Table 5]

In Tables 4 and 5, the amounts used: parts Total: A component + B component + C component Attached amount: Attached amount (%) as a treating agent for synthetic fibers to polyester staple fiber E-1: Polyoxyethylene (10 Mol) nonylphenyl ether E-2: sorbitan monooleate E-3: dodecylbenzenesulfonic acid diethanolamine salt E-4: stearyltrimethylammonium phosphate E-5: lauryl dimethyl betaine

[0087]

As is clear from the above, the present invention described above has an effect that it is possible to simultaneously impart excellent smoothness and flexibility having sufficient durability to synthetic fibers.

Continued on the front page (72) Inventor Toshihiro Komuro 2-5 Minatomachi, Gamagori-shi, Aichi Prefecture Takemoto Yushi Co., Ltd. F-term (reference) 4J035 BA02 CA05N CA051 CA082 CA092 CA112 CA162 CA182 CA192 EA01 GA08 LA02 LA08 LB08 4L033 AA07 AB01 AC02 AC09 AC15 CA59

Claims (11)

[Claims] 1. The following A component is 20 to 90% by weight, the following B component is 4 to 65% by weight, and the following C component is 1 to 15%.
% By weight, and a total of 60%
A synthetic fiber treating agent, which is contained in a proportion of up to 95% by weight. A component: a linear polyorganosiloxane (P) composed of a siloxane unit represented by the following formula 1, a siloxane unit represented by the following formula 3, and a silyl unit represented by the following formula 4, and the following formula From a linear polyorganosiloxane (Q) composed of a siloxane unit represented by Formula 1, a siloxane unit represented by Formula 2 below, a siloxane unit represented by Formula 3 below, and a silyl unit represented by Formula 4 below. One or more selected linear polyorganosiloxanes having a viscosity at 25 ° C. in the range of 1 × 10 ^{−4 to 2} m ² / s; Formula 1 [R ¹ R ² SiO _{1 / 2} ] [Equation 2] [R ³ R ⁴ SiO _1/2 ] [Equation 3] (Equation 4) {(In the formulas 1 to 4, R ^{1 to} R ³ : an alkyl group having 1 to 4 carbon atoms R ⁴ : an amino group represented by the following formula 5, a fluoroalkyl group having 1 to 4 carbon atoms, a phenyl group, a carbon atom number 2 or 3 hydroxy alkyl group, an organic group having an epoxy group, an organic group having a polyether group, an organic group R ⁵ to R ⁸ having an organic group, or an amide group having a carboxyl group: 1 to 4 carbon atoms An alkyl group, a fluoroalkyl group having 1 to 4 carbon atoms, a phenyl group, or a hydroxyalkyl group having 2 or 3 carbon atoms) [Formula 5] -Z ^1- (NH-Z ² ) _n -NH-Z ³ (Formula 5 In the above, Z ¹ , Z ² : an alkylene group having 2 to 5 carbon atoms Z ³ : hydrogen or an alkyl group having 1 to 3 carbons n: 0 or 1)｝ B component: monoester diol, ether diol, diester diol, poly Etherdiol A diol compound selected from polyether diester diols, nitrogen-containing diols and diol compounds of nitrogen-containing polyether diols, and having a molecular weight in the range of 60 to 2,000 C component: One or two or more selected from a disilanol silane compound represented by Formula 6 and a disilanol group-forming silane compound represented by Formula 7 below: [Formula 6] R ⁹ R ¹⁰ Si (OH) ₂ [Formula 7] ¹¹ R ¹² SiX ¹ X ² (In the formulas 6 and 7, R ^{9 to} R ¹² are organic groups having a carbon atom directly bonded to a silicon atom. X ¹ and X ² are atoms or atomic groups forming a silanol group by hydrolysis. ) 2. The component A linear polyorganosiloxane (Q) has a ratio of siloxane unit represented by the formula 1 / siloxane unit represented by the formula 2 ≧ 90/10 (molar ratio). 2. The treating agent for synthetic fibers according to 1. 3. A linear polyorganosiloxane of component A
(P) is the value of R in Formula 1 ¹, R^TwoWhere is a methyl group
And a siloxane unit represented by Formula 1^Five, R⁶But
A siloxane unit when R is⁷, R⁸But
A linear group consisting of a silyl unit when it is a methyl group
Liorganosiloxane and linear polyorganosiloxane
Loxane (Q) is a compound represented by the formula¹, R^TwoIs a methyl group
In this case, the siloxane unit represented by Formula 1 and R in Formula 2^ThreeBut
A methyl group and R^FourIs an amino group represented by Formula 5
Siloxane unit and R in formula 3^Five, R⁶Is a methyl group
And the siloxane unit represented by R⁷, R⁸But
Linear polio composed of silyl units in the case of
3. The synthetic fiber according to claim 1, which is a luganosiloxane.
Treatment agent. 4. The synthetic fiber treating agent according to claim 1, wherein the component A is a mixture of a linear polyorganosiloxane (P) and a linear polyorganosiloxane (Q). 5. The synthesis according to claim 1, wherein the linear polyorganosiloxane of component A has a viscosity at 25 ° C. in the range of 1 × 10 ⁻³ to 1 m ² / s. Fiber treatment agent. 6. The method according to claim 1, wherein the component B is at least one selected from polyether diols, nitrogen-containing diols, and diol compounds of nitrogen-containing polyether diols. Treatment agent for synthetic fibers. 7. The diol compound of component B having a molecular weight of 2
Claim 1 which is in the range of 00-1000.
7. The treating agent for synthetic fibers according to 2, 3, 4, 5, or 6. 8. Component A is 30 to 85% by weight and component B is 5% by weight.
Claims 1, 2, 3, 4, 5, 6, or 5 to 50% by weight and 2 to 12% by weight of the C component, and 70 to 92% by weight in total. 8. The treating agent for synthetic fibers according to 7. 9. The synthetic fiber treating agent according to claim 1, further comprising a surfactant as a balance. 10. The method of claim 1, 2, 3, 4, 5, 6, 7,
The synthetic fiber treating agent described in 8 or 9 is adhered so as to be 0.05 to 1.5% by weight based on the synthetic fiber after stretching, and 13
A method for treating synthetic fibers which is heat-treated at 0 to 180 ° C. 11. The method according to claim 10, wherein the synthetic fiber is a polyester fiber.