JP2000144579A - Agent and method for treating synthetic resin - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a treating agent suitable for synthetic fibers suitably used to a false twist processing, etc., accompanied by a heat treatment process by blending a polyether compound, a straight chain polyether-modified polyorganosiloxane and an ionic surfactant. SOLUTION: This agent for treating synthetic fibers is obtained by blending each 0.1-12% of a polyether compound having oxyethylene units and oxypropylene units as constituent units and 700-20,000 average molecular weight, a straight chain polyether-modified polyorganosiloxane expressed by the formula [R1 and R4 are each a 1-40C hydrocarbon, a 2-12C fluoroalkyl or the like; R2 and R3 are each a 3-4C alkylene; R5 and R6 are each a 1-4C (fluoro)alkyl or phenyl; A is a 2-4C alkylene; (p) and (q) are each 2-200; (m) is 3-200 and (n) is 1-30] and an ionic surfactant of a quaternary onium salt and further 1-30% of a 10-50C ester compound and/or ether ester compound. The treating agent is added, e.g. in 0.1-3% to synthetic fibers to be applied to a false twist processing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synthetic fiber treating agent (hereinafter, simply referred to as a treating agent) and a synthetic fiber treating method (hereinafter, referred to as a treating agent).
Simply referred to as a processing method). In the synthetic fiber production or processing step, a treatment agent containing a lubricant and an antistatic agent is attached to the synthetic fiber in order to impart lubricity and antistatic property to the synthetic fiber, but the synthetic fiber is subjected to a heat treatment step, for example, a false twisting step. In the heat treatment step, it is important to prevent heater contamination due to thermal deterioration of the treating agent in order to obtain high-quality false twisted yarn by suppressing the generation of fluff and yarn breakage. The present invention relates to a treatment agent and a treatment method capable of effectively preventing such heater contamination.

[0002]

2. Description of the Related Art Conventionally, a mixture of a polyether compound, a polyorganosiloxane compound, and an ionic surfactant has been used as a treating agent for preventing such heater contamination. In such a conventional treating agent, as the polyorganosiloxane compound to be mixed, 1) a viscosity at 25 ° C. of 30 × 10 ⁻⁶ m ² / s or more and a surface tension at 25 ° C. of 2
8 dynes / cm or less of polydimethylsiloxane or fluoroalkyl-modified polydimethylpolysiloxane (Japanese Unexamined Patent Publication No.
46923), 2) The viscosity at 30 ° C. is 15 × 10 ⁻⁶ m ² /
s or higher polydimethylsiloxane (JP-A-48-530)
93), 3) Viscosity at 30 ° C. is 10 × 10 ⁻⁶ to 80 × 10
^-6 m ² / s phenylpolysiloxane (JP-B-47-5)
0657), 4) polyether-modified polyorganosiloxane (JP-B-63-57548) and the like are used.
However, with these conventional treatment agents, the prevention of heater contamination in the heat treatment step is insufficient, especially when the heat treatment step is a false twisting step using a recently developed short heater of 300 ° C. or higher. There is a drawback that there is almost no effect of preventing the occurrence of. If the prevention of heater contamination in the heat treatment step is insufficient, fluffing, yarn breakage, etc. will occur, making it impossible to produce high quality processed yarn.

[0003]

The problem to be solved by the present invention is that conventional processing agents cannot prevent heater contamination in a heat treatment step, particularly in a false twisting step using a short heater at 300 ° C. or higher. It is.

[0004]

Means for Solving the Problems Thus, the present inventors have
In the heat treatment step of synthetic fibers, especially in the false twisting step using a short heater of 300 ° C. or more, as a result of studying to obtain a treatment agent and a treatment method capable of sufficiently preventing heater contamination in such a step, a polyether compound was obtained. A treating agent comprising a specific linear polyether-modified polyorganosiloxane and an ionic surfactant, wherein the linear polyether-modified polyorganosiloxane and the ionic surfactant are each contained in a predetermined ratio. It has been found that the treatment agent is correct and suitable, and that the treatment agent is correctly and suitably adhered to the synthetic fiber subjected to the heat treatment step at a predetermined ratio.

That is, the present invention provides a treating agent comprising a polyether compound, the following linear polyether-modified polyorganosiloxane, and an ionic surfactant, wherein the treating agent comprises the linear polyether The present invention relates to a treating agent comprising the modified polyorganosiloxane in a ratio of 0.1 to 12% by weight and the ionic surfactant in a ratio of 0.1 to 12% by weight. The present invention also relates to a processing method characterized in that the above-mentioned processing agent is attached to the synthetic fibers to be subjected to the heat treatment step so as to be 0.1 to 3% by weight.

[0006]

(Equation 1)

In the formula 1, R ¹ and R ⁴ are a hydrocarbon group having 1 to 40 carbon atoms, and 2 to 1 carbon atoms.
A fluoroalkyl group of 2 or a substituted hydrocarbon group having 2 to 8 carbon atoms or a hydroxyl group substituted with a substituent having an active hydrogen R ² , R ³ : an alkylene group having 3 or 4 carbon atoms R ⁵ , R ⁶ : a carbon number Alkyl group having 1 to 4, fluoroalkyl group having 1 to 4 carbon atoms or phenyl group A: alkylene group having 2 to 4 carbon atoms p, q: integer of 2 to 200 m: integer of 3 to 200 n: 1 to 30 Integer

[0008] The linear polyether-modified polyorganosiloxane represented by the formula (1) includes: 1) When n in the formula (1) is 1, one linear polyether unit is provided at each of both ends. Linear polysiloxane units having a structure in which linear polysiloxane units are linearly linked via a linking group, and both ends are linear polysiloxane units; 2) when n in Formula 1 is 2 to 30,
It includes a linear polysiloxane unit having a structure in which two or more linear polysiloxane units and two or more linear polyether units are linearly linked via a linking group, and both ends are linear polysiloxane units. You.

In the formula (1), the terminal groups R ¹ and R ⁴ of the linear polysiloxane unit are the same or different and have the same number of carbon atoms.
To 40 hydrocarbon groups, fluoroalkyl groups having 2 to 12 carbon atoms, 2 to 8 carbon atoms substituted with a substituent having active hydrogen
Is a substituted hydrocarbon group or a hydroxyl group. Such carbon number 1
As the hydrocarbon group of 40, 1) a methyl group, an ethyl group,
Propyl, butyl, pentyl, hexyl, heptyl, octyl, decanyl, dodecanyl, tetradecanyl, hexadecanyl, octadecanyl,
Eicosanyl group, docosanyl group, tetracosanyl group, triacontanyl group, tetracontanyl group, isopropyl group, isobutyl group, 2-ethylhexyl group, isohexadecyl group, isotetracosanyl group, etc., having 1 to 40 carbon atoms
2) an aliphatic unsaturated hydrocarbon group having 2 to 40 carbon atoms, such as a vinyl group, a propenyl group, an octadecenyl group, an eicosenyl group, an isopropenyl group;
3) an aromatic hydrocarbon group having 6 to 14 carbon atoms such as a phenyl group and a naphthyl group; 4) an alkyl group such as a propylphenyl group, an octylphenyl group, a tridecylphenyl group, a dioctylphenyl group and a dinonylphenyl group. And a substituted aromatic hydrocarbon group having 7 to 24 carbon atoms substituted with Further, as a fluoroalkyl group having 2 to 12 carbon atoms,
5) γ-trifluoropropyl group, β, γ-pentafluoropropyl group, heptafluoropropyl group, pentafluoroethyl group, tridecanefluorohexyl group and the like.
2 to 8 carbon atoms further substituted with a substituent having active hydrogen
As the substituted hydrocarbon group of 6) substituted with a hydroxyl group,
C2-C8 such as hydroxyethyl group, hydroxypropyl group, hydroxybutyl group, hydroxyhexyl group, etc.
7) Substituted aliphatic hydrocarbon group having 2 to 8 carbon atoms, such as mercaptoethyl group, mercaptopropyl group, mercaptooctyl group, substituted with mercapto group, and 8) substituted with amino group Amino amino group,
A substituted aliphatic hydrocarbon group having 2 to 8 carbon atoms such as an aminopropyl group, an aminobutyl group, an aminohexyl group, a 2-aminoethylaminoethyl group, a 3-propylaminopropyl group, a dimethylaminoethyl group, and a diethylaminoethyl group; And the like. Among them, an aliphatic saturated hydrocarbon group having 1 to 10 carbon atoms and a substituted aliphatic hydrocarbon group having 3 to 6 carbon atoms substituted by a hydroxyl group are preferable.

In the formula 1, OA is an oxyalkylene group having 2 to 4 carbon atoms. Examples of the oxyalkylene having 2 to 4 carbon atoms include an oxyethylene group, an oxypropylene group, a 1,2-oxybutylene group, and a 1,4-oxybutylene group. These oxyalkylene groups may be used alone or as a mixture, and among them, an oxyethylene group alone or a mixture of an oxyethylene group and an oxypropylene group is preferred. In the case of a mixture of an oxyethylene group and an oxypropylene group, the bonding mode of the formed oxyethylene unit and the oxypropylene unit or the bonding mode of the ethoxy unit and the propoxy unit includes a block shape and a random shape. You.

In the formula 1, the number m of the oxyalkylene units is an integer of 3 to 200, preferably an integer of 20 to 150, and particularly preferably an integer of 30 to 100.

In the formula (1), R ⁵ and R ⁶ in the divalent siloxane unit are an alkyl group having 1 to 4 carbon atoms, and 1 to 4 carbon atoms.
Is a fluoroalkyl group or a phenyl group. Examples of the alkyl group having 1 to 4 carbon atoms include a methyl group, an ethyl group, a propyl group, and a butyl group. Examples of the fluoroalkyl group include a part such as a γ-trifluoropropyl group and a β, γ-pentafluoropropyl group. In addition to the fluorine-substituted alkyl group,
Examples include perfluorinated alkyl groups such as heptafluoropropyl group and pentafluoroethyl group. Of these, a methyl group is preferred.

In the formula 1, the numbers p and q of the divalent siloxane units are integers of 2 to 200, preferably 3 to 50, particularly preferably 5 to 20. .

In the formula 1, R ² , which is a linking group for linking a linear polysiloxane unit and a linear polyether unit,
R ³ is an alkylene group having 3 or 4 carbon atoms. Examples of the alkylene group having 3 or 4 carbon atoms include a trimethylene group, a tetramethylene group, an isopropylene group, and an isobutylene group, and a trimethylene group, a tetramethylene group, and an isobutylene group are preferable.

In the formula 1, the number n of units composed of linear polysiloxane units and linear polyether units is 1
An integer of from 30 to 30, preferably an integer of from 1 to 9.

The present invention does not particularly limit the method for synthesizing the linear polyether-modified polyorganosiloxane used in the present invention, and includes, for example, 1) the corresponding α-hydrogenpoly (partially substituted) dimethylsiloxane 2 mol and 1 mol of (meth) allylpolyalkoxylate at both ends are reacted under heating using chloroplatinic acid as a catalyst. 2) 2 mol of corresponding α, ω-dihydrogenpoly (partially substituted) dimethylsiloxane Above and both ends (meta)
2 mol or more of allyl polyalkoxylate is heated with chloroplatinic acid as a catalyst, and the hydrosilyl group of the compound having a linear polysiloxane unit at the end obtained by this reaction is added to a compound having 2 to 8 carbon atoms as described above. Reacting 2 moles of a compound that will form a substituted hydrocarbon group of
3) The corresponding α, ω-dihydrogen poly (partially substituted) dimethylsiloxane (2 moles or more) and both ends (meth) allyl polyalkoxylate (2 moles or more) are reacted under heating with chloroplatinic acid as a catalyst. A method in which 2 moles of the corresponding α-hydrogenpoly (partially substituted) dimethylsiloxane is reacted with the (meth) allyl group of the compound having a linear polyether terminal at the end obtained by the reaction, and the like.

As the ionic surfactant used in the present invention, any of known anionic surfactants, cationic surfactants and amphoteric surfactants can be used. Among these, a quaternary onium salt represented by the following formula 2 is preferable as the ionic surfactant.

[0018]

(Equation 2)

In the formula 2, X: N or PR ⁷ , R ⁸ , R ⁹ , R ¹⁰ : an alkyl group having 1 to 25 carbon atoms;
An alkenyl group having 2 to 25 carbon atoms or a hydroxyalkyl group having 1 to 6 carbon atoms ^By- : a phosphoric acid ester having 1 to 30 carbon atoms, 1 to 3 carbon atoms
Y-valent anionic group obtained by removing a hydrogen ion from a compound selected from a sulfuric acid ester having 0, a sulfonic acid ester having 1 to 30 carbon atoms and a carboxylic acid having 1 to 30 carbon atoms y: an integer of 1 to 3

The quaternary onium salt represented by Formula 2 includes:
1) When X in the formula 2 is N, a quaternary ammonium salt comprising a quaternary ammonium cation group and an anion group obtained by removing a part or all of hydrogen ions from the above-mentioned compound having 1 to 3 valences; 2) When X in the formula 2 is P, those comprising a quaternary phosphonium cation group and an anion group obtained by removing some or all of the hydrogen ions from the above-mentioned compounds having 1 to 3 valences are included.

First, the quaternary ammonium salt will be described. The quaternary ammonium cation group constituting the quaternary ammonium salt includes the following: 1) R ^{7 to} R ¹⁰ in Formula 2 (hereinafter, referred to as an organic group in Formula 2) are all alkyl groups having 1 to 25 carbon atoms; 2) When all of the organic groups in Formula 2 are alkenyl groups having 2 to 25 carbon atoms,
3) When all of the organic groups in Formula 2 are hydroxyalkyl groups having 1 to 6 carbon atoms, 4) Among the organic groups in Formula 2, a part is an alkyl group having 1 to 25 carbon atoms. Wherein the remainder is an alkenyl group having 2 to 25 carbon atoms,
5) When the organic group in Formula 2 is partially an alkyl group having 1 to 25 carbon atoms and the remainder is a hydroxyalkyl group having 1 to 6 carbon atoms, 6) The organic group in Formula 2 A part of which is an alkenyl group having 2 to 25 carbon atoms, and the remainder is a hydroxyalkyl group having 1 to 6 carbon atoms;
7) Among the organic groups in Formula 2, a part is an alkyl group having 1 to 25 carbon atoms, another part is an alkenyl group having 2 to 25 carbon atoms, and the rest is an alkenyl group having 1 to 6 carbon atoms. Those having a hydroxyalkyl group are included.

The quaternary ammonium cation groups include: 1) tetramethylammonium, triethylmethylammonium, tripropylethylammonium, tributylmethylammonium, tetrabutylammonium, triisooctylethylammonium, trimethyloctylammonium, dilauryldimethylammonium Wherein all of the organic groups in formula 2 are alkyl groups having 1 to 25 carbon atoms, such as trimethyl stearyl ammonium, 2) dibutenyl diethyl ammonium, dimethyldioleyl ammonium, trimethyl oleyl ammonium, triethyl eicosenyl Such as ammonium,
In the case where a part of the organic groups in the formula 2 is an alkyl group having 1 to 25 carbon atoms and the rest is an alkenyl group having 2 to 25 carbon atoms, 3) tributylhydroxyethylammonium, di (hydroxyethyl ) Dipropyl ammonium, tri (hydroxyethyl) octylammonium,
Tri (hydroxypropyl) methyl ammonium and the like,
Among the organic groups in Formula 2, those having a part of an alkyl group having 1 to 25 carbon atoms and the remainder being a hydroxyalkyl group having 1 to 6 carbon atoms are preferable. Are all alkyl groups having 1 to 12 carbon atoms, and some of the organic groups in the formula 2 have 16 to 22 carbon atoms.
Wherein the remainder is an alkyl group having 1 to 12 carbon atoms, a part of the organic groups in Formula 2 is a hydroxyalkyl group having 2 to 4 carbon atoms, and Those having 1 to 12 alkyl groups are particularly preferred. This includes, for example, tributylmethylammonium, tetrabutylammonium, trimethyloleylammonium, di (hydroxyethyl) methyloctylammonium and the like.

The anionic group constituting the quaternary ammonium salt is an anionic group obtained by removing some or all of the hydrogen ions from the above-mentioned compounds having 1 to 3 valences. Examples of such a compound having 1 to 3 valences include: 1) a phosphate ester having 1 to 30 carbon atoms such as methyl phosphate, diethyl phosphate, dioctyl phosphate, methyl oleyl phosphate, nonylphenyloxyethoxyethyl methyl phosphate, and 2) methyl sulfate , Ethyl sulfate, lauryl sulfate, octylphenyloxy polyethoxy (repeating number of ethoxy units: 3) ethyl sulfate, etc., sulfuric acid ester having 1 to 30 carbon atoms, 3) butyl sulfonate, lauryl sulfonate, stearyl sulfonate, oleyl sulfonate, p- C1-C30 sulfones such as toluenesulfonate, dodecylphenylsulfonate, oleylphenylsulfonate, naphthylsulfonate and diisopropylnaphthylsulfonate Phosphate ester, 4) acetic acid, caproic acid, lauric acid, 2
-Ethylhexanoic acid, isostearic acid, oleic acid,
C1-C30 aliphatic monocarboxylic acids such as erucic acid,
Malonic acid, adipic acid, sebacic acid, C1-C30 aliphatic dicarboxylic acids such as pentadecenyl succinic acid, benzoic acid, phthalic acid, C1-C30 aromatic carboxylic acids such as trimellitic acid, C1-C30 aliphatic hydroxycarboxylic acids such as lactic acid, ricinoleic acid and 12-hydroxystearic acid, and C1-C30 such as thiodipropionic acid
And a carboxylic acid having 1 to 30 carbon atoms such as a sulfur-containing aliphatic carboxylic acid. Among them, aliphatic phosphoric acid esters having 1 to 26 carbon atoms, aliphatic sulfonic acid esters having 1 to 26 carbon atoms, and aliphatic carboxylic acids having 1 to 26 carbon atoms are preferable, and aliphatic sulfonic acid esters having 8 to 24 carbon atoms. And an aliphatic carboxylic acid having 8 to 24 carbon atoms is particularly preferred. This includes, for example, lauryl sulfonate, oleyl sulfonate, isostearic acid, oleic acid, pentadecenyl succinic acid and the like.

The present invention does not particularly limit the method for synthesizing the quaternary ammonium salt used in the present invention. Examples thereof include: 1) a method of reacting a corresponding tertiary amine with a trialkyl phosphate; ) A method of reacting the corresponding tertiary amine with a dialkyl sulfate, 3) the corresponding 3
A method of reacting a quaternary amine with ethylene oxide in the presence of water to form a quaternary ammonium hydroxide, followed by a reaction with a sulfonic acid ester;
A method of reacting a quaternary amine with an alkyl halide to form a quaternary ammonium halide, followed by a reaction with a metal carboxylate.

Next, the quaternary phosphonium salt will be described. The quaternary phosphonium cation group constituting the quaternary phosphonium salt includes, as described above for the quaternary ammonium cation group, 1) all the organic groups in Formula 2 are alkyl groups having 1 to 25 carbon atoms. In some cases, 2)
A case where all the organic groups in Formula 2 are alkenyl groups having 2 to 25 carbon atoms; 3) a case where all the organic groups in Formula 2 are hydroxyalkyl groups having 1 to 6 carbon atoms;
4) In the case where a part of the organic groups in the formula 2 is an alkyl group having 1 to 25 carbon atoms and the remainder is an alkenyl group having 2 to 25 carbon atoms, 5) the organic group in the formula 2 Some of them are alkyl groups having 1 to 25 carbon atoms, and the remainder is
6) hydroxyalkyl group, 6) Formula 2
A part of which is an alkenyl group having 2 to 25 carbon atoms and a remainder is a hydroxyalkyl group having 1 to 6 carbon atoms; 7) one of the organic groups in formula 2 Part is an alkyl group having 1 to 25 carbon atoms, another part is an alkenyl group having 2 to 25 carbon atoms, and the rest is
And those having a hydroxyalkyl group of

Examples of the quaternary phosphonium cation group include: 1) any of the organic groups in Formula 2 such as tetramethylphosphonium, tributylmethylphosphonium, tetrabutylphosphonium, methyltrioctylphosphonium, lauryltrimethylphosphonium, etc. 2) an alkyl group having from 1 to 25 carbon atoms, such as trimethyloleylphosphonium and oleyltripropenylphosphonium; When the alkenyl group is an alkenyl group having a number of 2 to 25, 3) Some of the organic groups in the formula 2 such as tributyl (2-hydroxyethyl) phosphonium and trioctyl (4-hydroxybutenyl) phosphonium have carbon atoms. A hydroxy group having 1 to 25 carbon atoms, the balance being Preferably having when it is alkyl group, among them carbon organic groups either in formula 2 1-4
In particular, those having an alkyl group of are preferred. This includes, for example, tributylmethylphosphonium, tetrabutylphosphonium and the like.

The anion group constituting the quaternary phosphonium salt is the same as the anion group described above for the quaternary ammonium salt.

The present invention does not particularly limit the method for synthesizing the quaternary phosphonium salt used in the present invention. Examples of the method include a metal salt or an ammonium salt of a corresponding organic acid and a quaternary phosphonium salt. Are mixed in a solvent,
A method of washing and separating an inorganic salt by-produced with water, or extracting the salt with an organic solvent such as methanol, isopropanol, and acetone is exemplified.

As the polyether compound used in the present invention, known polyether compounds, for example, JP-A-56-3
No. 1077 and Japanese Patent Publication No. 63-57548 can be applied. As such a polyether compound, polyether (poly) ols such as polyether monool, polyether diol, and polyether triol having an oxyethylene unit and an oxypropylene unit as main constitutional units are preferable. 20,000 is particularly preferred. The polyether compound includes a mixture of polyether compounds having different molecular weights. When such a mixture is used, a mixture of a polyether compound having an average molecular weight of 1,000 to 3,000 and a polyether compound having an average molecular weight of 5,000 to 15,000 is used. Is preferred.

The treating agent of the present invention comprises a polyether compound as described above, a linear polyether-modified polyorganosiloxane represented by the formula 1, and an ionic surfactant. The modified polyorganosiloxane contains 0.1 to 12% by weight of the modified polyorganosiloxane and 0.1 to 12% by weight of the ionic surfactant. The modified polyorganosiloxane is contained at a ratio of 0.3 to 5% by weight, and the quaternary onium salt is used as the ionic surfactant in a ratio of 0.3 to 5% by weight. Is preferred.

Examples of the treating agent include, in addition to the polyether compound described above, the linear polyether-modified polyorganosiloxane represented by the formula 1, and an ionic surfactant, a specific ester compound and / or an ether. It is preferable that an ester compound is blended at a predetermined ratio. The ester compound is not particularly limited as long as it has a total carbon number of 10 to 50. 1) Ethyl laurate,
Aliphatic monoesters of aliphatic alcohols such as octyl laurate, isodecyl stearate and oleyl erucinate, and aliphatic carboxylic acids; 2) 1,4-butanediol dioctanoate; dioleyl adipate; trimethylolethanediisostearate And aliphatic polyhydric esters of aliphatic alcohols such as glyceryl trilaurate and aliphatic carboxylic acids.
Are preferred. In addition, such ether ester compounds also have a total carbon number of 10 to 10.
There is no particular limitation as long as it is 50, and various compounds obtained by reacting the above-mentioned ester compound with an alkylene oxide having 2 to 4 carbon atoms can be used. Ester is reacted with 1 to 10 moles of ethylene oxide to have a total carbon number of 20 to 40.
Are preferred.

In the present invention, when the above-mentioned ester compound and / or ether ester compound are blended, the blending ratio is 1 to 30% by weight in the treating agent. 0.3 to 5% by weight of the resulting linear polyether-modified polyorganosiloxane,
A quaternary onium salt as an ionic surfactant in an amount of 0.3 to 0.3;
It is preferable that 5% by weight, 3 to 25% by weight of the ester compound and / or the ether ester compound, and the balance be a polyether compound.

In the treatment method of the present invention, the treatment agent of the present invention described above is added to the synthetic fiber subjected to the heat treatment step in an amount of 0.1%.
３3% by weight, preferably 0.2-1% by weight
To be adhered. Usually, a treating agent is attached to the synthetic fiber filament yarn immediately after spinning in the spinning process,
Thereafter, the synthetic fiber filament yarn is subjected to a heat treatment step.

According to the treatment method of the present invention, as described above, the treating agent of the present invention is applied to the synthetic fibers at a predetermined ratio, thereby imparting good lubricity to the synthetic fibers subjected to the heat treatment step. This is to prevent heater contamination in the heat treatment step. As such a heat treatment step,
There are drawing process, twisting process, crimping process, false twisting process, etc.
Above all, the treating agent and the treating method of the present invention have a high effect when the synthetic fiber to which these are applied is subjected to a false twisting step.
As the false twisting machine used in the false twisting process, 1) heater temperature 1
Contact heater type false twisting machine equipped with a heater of 50 to 230 ° C. and a heater length of 150 to 250 cm and running while a synthetic fiber filament yarn runs on a heater plate. 2) Heater temperature of 300 to 600 ° C., heater length A short heater type false twisting machine equipped with a heater of 20 to 150 cm, in which a synthetic fiber filament yarn runs on a heater plate in a non-contact manner, and the like, is particularly preferred.
A short heater with a temperature of ~ 550 ° C and a heater length of 20-140cm is installed, and the synthetic fiber filament yarn is subjected to a false twisting process using a false twisting machine which runs in contact with a yarn path regulating device installed in the heater. If the effect is high.

The treatment method of the present invention does not particularly limit the method of adhering the treatment agent of the present invention to the synthetic fibers. Examples of the adhering method include a roller lubrication method, a guide lubrication method using a measuring pump, and a dipping method. Known methods such as a lubrication method and a spray lubrication method are mentioned, and a roller lubrication method or a guide lubrication method using a metering pump is preferable.

In attaching the treating agent of the present invention to synthetic fibers, the treating agent can be used in the form of an aqueous emulsion, an organic solvent solution or as it is, but is preferably used as an aqueous emulsion. in this case,
An emulsifier can be used as needed, but it is preferable to prepare an aqueous emulsion so as to contain the treating agent at a ratio of 5 to 30% by weight. When the treating agent is attached to the synthetic fiber, other components such as an antioxidant, a preservative, and a rust inhibitor can be used in combination, but the amount used is as small as possible. Is preferred.

As the synthetic fibers to which the treating agent and the treating method of the present invention are applied, 1) polyester having ethylene terephthalate as a main constituent unit, 2) polyamide such as nylon 6, nylon 66, 3) polyacrylonitrile,
Polyacryls such as modacrylic, and 4) polyolefins such as polyethylene and polypropylene can be mentioned. Among them, it is highly effective when applied to polyester and polyamide, and is particularly suitable for polyester partially drawn yarn, polyamide partially drawn yarn or polyester directly spun drawn yarn. More effective when applied.

[0038]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the treatment agent and treatment method of the present invention include the following 1) to 42). still,
The contents of the polyether compound, the linear polyether-modified polyorganosiloxane represented by Formula 1, the ionic surfactant, the ester compound, and the ether ester compound used in each of the following embodiments will be described in detail in Examples below. I mentioned. 1) A polyether compound (P-1) comprising a polyether compound (P-1), a linear polyether-modified polyorganosiloxane (MS-1), and an ionic surfactant (QS-1) ), 2% by weight of a linear polyether-modified polyorganosiloxane (MS-1) and 2% by weight of an ionic surfactant (QS-1). The treating agent was converted into an aqueous emulsion, and the aqueous emulsion was applied to the polyester partially drawn yarn so as to be 0.4% by weight as a treating agent, and this was applied to a contact heater type false twister having a heater temperature of 210 ° C. Method to be subjected to the false twisting process. 2) converting the treating agent of the above 1) into an aqueous emulsion;
A method in which the aqueous emulsion is applied as a treating agent to the polyester partially drawn yarn so as to be 0.4% by weight, and is subjected to a false twisting step using a short heater type false twisting machine at a heater temperature of 510 ° C.

3) Polyether compound (P-1) and linear polyether-modified polyorganosiloxane (MS-
2) and an ionic surfactant (QS-1),
And 94% by weight of the polyether compound (P-1), linear polyether-modified polyorganosiloxane (MS-
2) 2% by weight, ionic surfactant (QS-1) 4%
A treating agent which is contained in each of the percentages by weight. This treating agent was used as an aqueous emulsion, and the aqueous emulsion was used as a treating agent for the polyester partially drawn yarn by 0.4%.
% By weight, and this is heated at a heater temperature of 21%.
A method of performing a false twisting step using a contact heater type false twisting machine at 0 ° C. 4) making the treating agent of the above 3) an aqueous emulsion;
A method in which the aqueous emulsion is applied as a treating agent to the polyester partially drawn yarn so as to be 0.4% by weight, and is subjected to a false twisting step using a short heater type false twisting machine at a heater temperature of 510 ° C.

5) Polyether compound (P-1) and linear polyether-modified polyorganosiloxane (MS-
2), an ionic surfactant (QS-2), an ester compound (ES-1), and an ether ester compound (EE
-1) and a polyether compound (P-1)
82% by weight, 3% by weight of linear polyether-modified polyorganosiloxane (MS-2), 1% by weight of ionic surfactant (QS-2), ester compound (ES-1)
And 4% by weight of the ether ester compound (EE-1)
A treating agent containing 0% by weight. This treating agent was used as an aqueous emulsion, and the aqueous emulsion was used as a treating agent for the polyester partially drawn yarn.
4% by weight.
A method of subjecting to a false twisting step using a contact heater type false twisting machine at 10 ° C. 6) converting the treating agent of the above 5) into an aqueous emulsion;
A method in which the aqueous emulsion is applied as a treating agent to the polyester partially drawn yarn so as to be 0.4% by weight, and is subjected to a false twisting step using a short heater type false twisting machine at a heater temperature of 510 ° C.

7) Polyether compound (P-1) and linear polyether-modified polyorganosiloxane (PS-
1) and an ionic surfactant (QS-3),
And 95% by weight of a polyether compound (P-1), a linear polyether-modified polyorganosiloxane (PS-
1) 3% by weight, ionic surfactant (QS-3) 2%
A treating agent which is contained in each of the percentages by weight. This treating agent was used as an aqueous emulsion, and the aqueous emulsion was used as a treating agent for the polyester partially drawn yarn by 0.4%.
% By weight, and this is heated at a heater temperature of 21%.
A method of performing a false twisting step using a contact heater type false twisting machine at 0 ° C. 8) The treatment agent of the above 7) is made into an aqueous emulsion,
A method in which the aqueous emulsion is applied as a treating agent to the polyester partially drawn yarn so as to be 0.4% by weight, and is subjected to a false twisting step using a short heater type false twisting machine at a heater temperature of 510 ° C.

9) Polyether compound (P-1) and linear polyether-modified polyorganosiloxane (PS-
2), an ionic surfactant (QS-4) and an ether ester compound (EE-2), and 90% by weight of the polyether compound (P-1), and a linear polyether-modified polyorgano. A treating agent comprising 4% by weight of siloxane (PS-2), 1% by weight of ionic surfactant (QS-4) and 5% by weight of ether ester compound (EE-2). The treating agent was converted into an aqueous emulsion, and the aqueous emulsion was applied to the polyester partially drawn yarn so as to be 0.4% by weight as a treating agent, and this was applied to a contact heater type false twister having a heater temperature of 210 ° C. Method to be subjected to the false twisting process. 10) The treating agent of the above 9) is made into an aqueous emulsion, and the aqueous emulsion is adhered to the partially drawn polyester yarn so as to be 0.4% by weight as a treating agent. A method of performing a false twisting process using a false twisting machine.

11) Polyether compound (P-1)
Linear polyether-modified polyorganosiloxane (PS
-2) and an ionic surfactant (QS-4), and 93% by weight of a polyether compound (P-1);
Linear polyether-modified polyorganosiloxane (PS
-2) and a ionic surfactant (QS-4) in an amount of 3% by weight. This treating agent was used as an aqueous emulsion, and the aqueous emulsion was used as a treating agent for the polyester partially drawn yarn.
4% by weight.
A method of subjecting to a false twisting step using a contact heater type false twisting machine at 10 ° C. 12) The treating agent of the above-mentioned 11) was made into an aqueous emulsion, and the aqueous emulsion was adhered to the partially stretched polyester yarn so as to be 0.4% by weight as a treating agent. A method of performing a false twisting process using a false twisting machine.

13) Polyether compound (P-1)
Linear polyether-modified polyorganosiloxane (PS
-3) and an ionic surfactant (QS-5), and 96% by weight of the polyether compound (P-1);
Linear polyether-modified polyorganosiloxane (PS
-3) in an amount of 2% by weight and an ionic surfactant (QS-5) in an amount of 2% by weight. This treating agent was used as an aqueous emulsion, and the aqueous emulsion was used as a treating agent for the polyester partially drawn yarn.
4% by weight.
A method of subjecting to a false twisting step using a contact heater type false twisting machine at 10 ° C. 14) The treating agent of the above 13) is made into an aqueous emulsion, and the aqueous emulsion is adhered to the polyester partially drawn yarn so as to be 0.4% by weight as a treating agent. A method of performing a false twisting process using a false twisting machine.

15) Polyether compound (P-1)
Linear polyether-modified polyorganosiloxane (PS
-4) and an ionic surfactant (FN-1), and 93% by weight of a polyether compound (P-1);
Linear polyether-modified polyorganosiloxane (PS
-4) in an amount of 5% by weight and an ionic surfactant (FN-1) in an amount of 2% by weight. This treating agent was used as an aqueous emulsion, and the aqueous emulsion was used as a treating agent for the polyester partially drawn yarn.
4% by weight.
A method of subjecting to a false twisting step using a contact heater type false twisting machine at 10 ° C. 16) The treating agent of the above 15) was made into an aqueous emulsion, and the aqueous emulsion was adhered to the polyester partially drawn yarn so as to be 0.4% by weight as a treating agent. A method of performing a false twisting process using a false twisting machine.

17) Polyether compound (P-1)
Linear polyether-modified polyorganosiloxane (PS
-5) and an ionic surfactant (PA-1), and 93% by weight of a polyether compound (P-1);
Linear polyether-modified polyorganosiloxane (PS
A treating agent comprising 5% by weight of -5) and 2% by weight of an ionic surfactant (PA-1). This treating agent was used as an aqueous emulsion, and the aqueous emulsion was used as a treating agent for the polyester partially drawn yarn.
4% by weight.
A method of subjecting to a false twisting step using a contact heater type false twisting machine at 10 ° C. 18) The treating agent of the above 17) is made into an aqueous emulsion, and the aqueous emulsion is adhered to the polyester partially drawn yarn so as to be 0.4% by weight as a treating agent. A method of performing a false twisting process using a false twisting machine.

19) Polyether compound (P-2)
Linear polyether-modified polyorganosiloxane (PS
-2) and an ionic surfactant (QS-4), 98.5% by weight of a polyether compound (P-2), and a linear polyether-modified polyorganosiloxane (PS-2). 0.5% by weight, ionic surfactant (Q
A treating agent containing S-4) in a proportion of 1% by weight. This treating agent was converted into an aqueous emulsion, and the aqueous emulsion was applied to the partially drawn polyester yarn so as to be 0.8% by weight as a treating agent. Method to be subjected to the false twisting process. 20) The treatment agent of the above item 19) is made into an aqueous emulsion, and the aqueous emulsion is adhered to the polyester partially drawn yarn so as to be 0.8% by weight as a treatment agent. A method of performing a false twisting process using a false twisting machine.

21) Polyether compound (P-1)
Linear polyether-modified polyorganosiloxane (MS
-3), an ionic surfactant (QS-4) and an ester compound (ES-1), and 90% by weight of a polyether compound (P-1), and a linear polyether-modified polyorgano. A treating agent containing 1% by weight of siloxane (MS-3), 7% by weight of ionic surfactant (QS-4) and 2% by weight of ester compound (ES-1). The treating agent was converted into an aqueous emulsion, and the aqueous emulsion was applied to the polyester partially drawn yarn so as to be 0.3% by weight as a treating agent, and this was applied to a contact heater type false twister having a heater temperature of 210 ° C. Method to be subjected to the false twisting process. 22) The treating agent of the above-mentioned 21) is made into an aqueous emulsion, and the aqueous emulsion is adhered to the partially stretched polyester yarn so as to have a treating agent content of 0.3% by weight. A method of performing a false twisting process using a false twisting machine.

23) a polyether compound (P-1)
Linear polyether-modified polyorganosiloxane (MS
-4) and an ionic surfactant (QS-5), and 89% by weight of the polyether compound (P-1);
Linear polyether-modified polyorganosiloxane (MS
-4) in an amount of 1% by weight and an ionic surfactant (QS-5) in an amount of 10% by weight. The treating agent was converted into an aqueous emulsion, and the aqueous emulsion was applied to the polyester partially drawn yarn so as to be 0.3% by weight as a treating agent, and this was applied to a contact heater type false twister having a heater temperature of 210 ° C. Method to be subjected to the false twisting process. 24) The treating agent of the above-mentioned 23) is made into an aqueous emulsion, and the aqueous emulsion is adhered to the partially stretched polyester yarn so as to be 0.3% by weight as a treating agent. A method of performing a false twisting process using a false twisting machine.

25) a polyether compound (P-1)
Linear polyether-modified polyorganosiloxane (PS
-6) and an ionic surfactant (QS-1), and 91% by weight of a polyether compound (P-1);
Linear polyether-modified polyorganosiloxane (PS
-6) in an amount of 6% by weight and an ionic surfactant (QS-1) in an amount of 3% by weight. This treating agent was used as an aqueous emulsion, and the aqueous emulsion was used as a treating agent for the polyester partially drawn yarn.
3% by weight.
A method of subjecting to a false twisting step using a contact heater type false twisting machine at 10 ° C. 26) The treating agent of the above 25) is made into an aqueous emulsion, and the aqueous emulsion is adhered to the polyester partially drawn yarn so as to be 0.3% by weight as a treating agent. A method of performing a false twisting process using a false twisting machine.

27) Polyether compound (P-1)
Linear polyether-modified polyorganosiloxane (PS
-7) and an ionic surfactant (FN-1), and 88% by weight of a polyether compound (P-1);
Linear polyether-modified polyorganosiloxane (PS
A treating agent comprising 9% by weight of -7) and 3% by weight of an ionic surfactant (FN-1). This treating agent was used as an aqueous emulsion, and the aqueous emulsion was used as a treating agent for the polyester partially drawn yarn.
3% by weight.
A method of subjecting to a false twisting step using a contact heater type false twisting machine at 10 ° C. 28) The above-mentioned treating agent of 27) is made into an aqueous emulsion, and the aqueous emulsion is adhered to the partially drawn polyester yarn so as to be 0.3% by weight as a treating agent. A method of performing a false twisting process using a false twisting machine.

29) The treating agent of the above 5) is made into an aqueous emulsion, and the aqueous emulsion is adhered to the partially drawn yarn of the nylon filament so as to have a treating agent content of 0.50% by weight. To a false twisting step using a contact heater type false twisting machine. 30) The treating agent of the above 5) is made into an aqueous emulsion, and the aqueous emulsion is adhered to the partially drawn yarn of the nylon filament so as to be 0.50% by weight as a treating agent, and this is a short heater having a heater temperature of 460 ° C. A method of performing a false twisting process using a false twisting machine.

31) The treating agent of the above 7) was made into an aqueous emulsion, and the aqueous emulsion was adhered to the partially drawn yarn of the nylon filament so as to have a treating agent content of 0.55% by weight. To a false twisting step using a contact heater type false twisting machine. 32) The treating agent of the above 7) is converted into an aqueous emulsion, and the aqueous emulsion is adhered to the partially drawn yarn of the nylon filament so as to be 0.55% by weight as a treating agent. A method of performing a false twisting process using a false twisting machine.

33) The treating agent of the above 9) was made into an aqueous emulsion, and the aqueous emulsion was adhered to the partially drawn yarn of the nylon filament so as to have a treating agent content of 0.45% by weight. To a false twisting step using a contact heater type false twisting machine. 34) The treating agent of the above 9) is made into an aqueous emulsion, and the aqueous emulsion is adhered to the partially drawn yarn of the nylon filament so as to be 0.45% by weight as a treating agent, and this is a short heater having a heater temperature of 460 ° C. A method of performing a false twisting process using a false twisting machine.

35) The treating agent of the above item 19) was converted into an aqueous emulsion, and the aqueous emulsion was adhered to the partially drawn yarn of the nylon filament so as to be 0.65% by weight as a treating agent. To a false twisting step using a contact heater type false twisting machine. 36) The treating agent of the above item 19) is converted into an aqueous emulsion, and the aqueous emulsion is adhered to the partially drawn yarn of the nylon filament so as to be 0.65% by weight as a treating agent. A method of performing a false twisting process using a false twisting machine.

37) The treating agent of the above 5) was made into an aqueous emulsion, and the aqueous emulsion was attached to the polyester directly spun drawn yarn so as to have a treating agent content of 0.35% by weight. To a false twisting step using a contact heater type false twisting machine. 38) The treating agent of the above 5) was converted into an aqueous emulsion, and the aqueous emulsion was applied to the polyester directly spun drawn yarn so as to have a treating agent content of 0.35% by weight. A method of performing a false twisting process using a false twisting machine.

39) The treating agent of the above 9) was converted into an aqueous emulsion, and the aqueous emulsion was applied to the polyester directly spun drawn yarn so that the treating agent was 0.35% by weight as a treating agent. To a false twisting step using a contact heater type false twisting machine. 40) The treating agent of the above 9) is made into an aqueous emulsion, and the aqueous emulsion is attached to the polyester directly spun drawn yarn so as to have a treating agent content of 0.35% by weight. A method of performing a false twisting process using a false twisting machine.

41) The treating agent of the above 15) was made into an aqueous emulsion, and the aqueous emulsion was adhered to the polyester directly spun drawn yarn so as to have a treating agent content of 0.35% by weight. To a false twisting step using a contact heater type false twisting machine. 42) The treating agent of the above 15) is made into an aqueous emulsion, and the aqueous emulsion is adhered to the polyester directly spun drawn yarn so as to have a treating agent content of 0.35% by weight. Method for providing a false twisting process using a false twisting machine

Hereinafter, the structure and effects of the present invention will be more specifically described with reference to examples and comparative examples, but the present invention is not limited to the examples. In the following Examples and Comparative Examples, “parts” means “parts by weight” and “%” means “% by weight”.

[0060]

[Example] Test Category 1 (Preparation of treatment agent) Preparation of treatment agent 96 parts of polyether compound (P-1), 2 parts of linear polyether-modified polyorganosiloxane (MS-1), and ionicity A treating agent (Example 1) was prepared by mixing 2 parts of a surfactant (QS-1). Other treating agents were prepared in the same manner as the treating agent (Example 1). These are summarized in Tables 1 and 2.

[0061]

[Table 1]

[0062]

[Table 2]

In Tables 1 and 2, the amount used: parts Polyether compound (P-1): oxyethylene units /
70 parts of methoxypolyalkylene glycol ether having an average molecular weight of 2000, which is block-added at a ratio of oxypropylene units = 80/20 (molar ratio), and random addition at a ratio of oxyethylene units / oxypropylene units = 20/80 (molar ratio) Mixture with 30 parts of a polyalkylene glycol ether having an average molecular weight of 8000. Polyether compound (P-2): oxyethylene unit /
50 parts of dodecyloxy polyalkylene glycol ether having an average molecular weight of 2,000 which is block-added at a ratio of oxypropylene units = 80/20 (molar ratio) and random at a ratio of oxyethylene units / oxypropylene units = 40/60 (molar ratio) 40 parts of the added butoxy polyalkylene glycol ether having an average molecular weight of 2,500 and oxyethylene units / oxypropylene units = 40/60
(Mole ratio) Average molecular weight 110 randomly added in proportion
Mixture of No. 00 with 10 parts of polyalkylene glycol ether Polyether compound (P-3): oxyethylene unit /
Oxypropylene units = methoxypolyalkylene glycol ether having an average molecular weight of 7000 and randomly added at a ratio of 25/75 (molar ratio)

Linear polyether-modified polyorganosiloxanes (MS-1) to (MS-4), (PS-1) to
(PS-7): All are linear polyether-modified polyorganosiloxanes represented by the formula 1, and the contents are shown in Table 3 below. Incidentally, the symbols in Table 3 are expressed by Formula 1.
B means block addition and R means random addition. OE means an oxyethylene group, OP means an oxypropylene group, and OB means an oxybutylene group.

[0065]

[Table 3]

The ionic surfactants (QS-1) to (QS)
-5): All are quaternary onium salts represented by the formula 2, and their contents are summarized in Table 4 below. The symbols in Table 4 correspond to the symbols in Equation 2. Ionic surfactant (FN-1): Isostearate sodium salt Ionic surfactant (PA-1): Decyloxypolyethoxy (n = 4) ethyl phosphate dibutylethanolamine salt

[0067]

[Table 4]

Ester compound (ES-1): octyl laurate Ether ester compound (EE-1): octyloxy polyethoxylate (number of ethoxy units = 5, hereinafter n = 5)
Ester) with lauric acid Ether ester compound (EE-2): octyloxy polyalkoxylate (polyalkoxylate in which five ethoxy units and three propoxy units are randomly linked) and lauric acid ester

Compound (cr-1): average molecular weight 3000
Linear polydimethylsiloxane compound (cr-2): a linear polyorganosiloxane compound in which two methylphenylsiloxane units and 20 dimethylsiloxane units are linearly linked Compound (cr-3): dimethylsiloxane unit A polyether-modified polyorganosiloxane in which 140 and eight siloxane units having a polyether-modified group are randomly and linearly linked by siloxane bonds, wherein the polyether-modified group has 80 oxyethylene units and 20 oxypropylene units. Pendant polyether-modified polyorganosiloxane compound (cr-4), which is composed of those randomly linked to each other, wherein a dimethylsiloxane unit and a siloxane unit having a polyether-modified group are randomly and linearly linked by a siloxane bond. Polyether-modified polyorganos A siloxane, the average molecular weight of the polyether-modified polyorganosiloxane is 8600, the content of the polyether-modified group is 92% by weight, and the polyether-modified group has 15 oxyethylene units and 15 oxypropylene units. And a pendant type polyether-modified polyorganosiloxane, which is formed by randomly linking

Test Category 2 (Adhesion of Treatment Agent to Partially Draw Polyester Filament Yarn and Its Evaluation) Adhesion of Treatment Agent to Partially Draw Polyester Filament Yarn Water was added to the treatment agent obtained in Test Division 1, and the treatment agent was added. Concentration 1
A 5% aqueous emulsion was prepared. After drying a polyethylene terephthalate chip having an intrinsic viscosity of 0.64 and a titanium oxide content of 0.2% by a conventional method, it is spun at 295 ° C. using an extruder, discharged from a die, cooled and solidified, and then the traveling yarn. Aqueous emulsion is adhered to the strip by roller oiling method, without mechanical stretching
Winding was performed at a speed of 3300 m / min to obtain a 10 kg wound cake of a partially drawn yarn of 150 denier 72 filaments having a treatment agent adhesion amount shown in Table 5 or Table 6 with respect to the yarn.

False twisting with a contact heater type false twisting machine and its evaluation Using the cake obtained above, false twisting was performed under the following false twisting conditions with a contact heater type false twisting machine, and heater contamination was evaluated. did. The results are shown in Tables 5 and 6. False twist processing by contact heater type false twister: Using a contact heater type false twister (SDS1200B manufactured by Ernest Scrug & Sons), processing speed = 800 m / min, stretching ratio = 1.522, twisting method = 3
Shaft disk circumscribed friction method (entrance guide disk 1
Sheet, one guide disk on the outlet side, 7 hard polyurethane disks), heater on twisting side = 2.5 m in length and surface temperature of 2
12 ° C, untwist-side heater = none, target twist number = 3300
False twisting was performed by continuous operation for 25 days under the condition of T / m. Evaluation of heater contamination: After operating continuously for 25 days under the above conditions, the heater tar on the yarn path on the twisting side heater surface was dropped with a brush, collected and weighed. The results were measured for 10 weights and indicated as an average weight per weight (mg).

False twisting with a short heater type false twisting machine and its evaluation Using the cake obtained above, false twisting was performed under the following short twisting type false twisting condition with a short heater type false twisting machine to evaluate heater contamination. did. The results are shown in Tables 5 and 6. False twisting condition by short heater type false twisting machine: processing speed = 900 m / min, stretching ratio = 1.522, twisting method using short heater type false twisting machine (Murata Machine Co., Ltd. No. 33J Mach Crimper) = Nip belt type friction method, twisting side heater = 1 m in length (inlet = 30 cm, outlet 70 cm), surface temperature at inlet 480 ° C, outlet 410
° C, untwist-side heater = none, target twist number = 3300 T /
Under the conditions of m, false twisting was performed by continuous operation for 33 days. Evaluation of heater contamination: After continuous operation for 33 days under the above conditions, sludge attached to the surface of the ceramic yarn path regulation guide installed in the heater on the twisting side was removed with a brush,
Collected and weighed. And it showed similarly to the case of the contact heater type false twisting machine.

[0073]

[Table 5]

[0074]

[Table 6]

In Tables 5 and 6, the adhesion ratio: the amount of the treatment agent adhered to the partially drawn yarn of the polyester filament (%) *: linear polydimethylsiloxane having a viscosity at 30 ° C. of 20 ⁻⁶ m ² / s / table 3. A treating agent having a ratio of the linear polyether-modified polyorganosiloxane (MS-1) / potassium stearate = 96/2/2 (weight ratio) described above in **: Thread breakage occurs frequently, and continuous operation is performed. These were not possible

Test Category 3 (Adhesion of treatment agent to partially drawn yarn of nylon filament and its evaluation) Adhesion of treatment agent to partially drawn yarn of nylon filament Concentration 1
A 0% aqueous emulsion was prepared. Then, nylon-6,6 chips having a sulfuric acid relative viscosity (ηr) of 2.4 and a titanium oxide content of 0.1% are dried by a conventional method, spun at 290 ° C. using an extruder, and discharged from a die. An aqueous emulsion is adhered to the running yarn after cooling and solidification by a guide lubrication method, and without causing mechanical stretching.
Winding was carried out at a speed of 00 m / min to obtain an 8 kg wound cake of partially denatured 70-denier 24-filament yarn having a treatment agent adhesion amount shown in Table 7 with respect to the yarn.

False twisting by contact heater type false twisting machine and its evaluation Using the cake obtained above, false twisting was performed under the same conditions as described in Test Category 2 except for the following conditions. Heater contamination was evaluated in the same manner as described in 2. The results are shown in Table 7. Conditions for false twisting with a contact heater type false twisting machine: stretching ratio = 1.220, twisting method = triaxial disc external friction type friction method (one entrance guide disk, one exit guide disk, one ceramic disk 5) Sheets), target twist number = 300
0 T / m.

False twisting with a short heater type false twisting machine and its evaluation Using the cake obtained above, false twisting was performed under the same conditions as described in Test Category 2 except for the following conditions. Heater contamination was evaluated in the same manner as described in 2. The results are shown in Table 7. Conditions for false twisting with a short heater type false twisting machine: processing speed = 1000 m / min, stretching ratio = 1.220, twisting side heater-surface temperature is 475 ° C at inlet, 380 ° C at outlet,
Target number of twists = 3000 T / m.

[0079]

[Table 7]

Test Category 4 (Attachment of treatment agent to polyester filament directly spun drawn yarn and its evaluation) Attachment of treatment agent to polyester filament direct spun drawn yarn Water was added to the treatment agent obtained in Test Category 1, Treatment agent concentration is 1
A 0% aqueous emulsion was prepared. The aqueous emulsion is adhered to the running yarn of the polyester filament by the guide lubrication method, taken up by the first godet roller rotating at 3000 m / min, mechanically stretched between the second godet rollers and taken up at 5000 m / min, and treated 5 kg of a directly spun drawn yarn of 75 denier 36 filaments having an adhesion amount of 0.35% with respect to the yarn was obtained.

False twisting with contact heater type false twisting machine and high temperature short heater type false twisting machine and evaluation thereof The overfeed rate was 3% and the false twisting speed was 650 m / min using the cake obtained above. Except for this, perform false twisting under the same conditions as in Test Category 2.
Heater contamination was evaluated in the same manner as described above. The results are shown in Table 8.

[0082]

[Table 8]

[0083]

As is clear from the above description, the treatment agent and the treatment method of the present invention described above include a method for treating a synthetic fiber, even if it is a false twisting step involving severe heat treatment.
There is an effect that heater contamination can be sufficiently prevented.

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Shigehiko Sakuraba 2-5 Minatomachi, Gamagori-shi, Aichi Prefecture Takemoto Yushi Co., Ltd. (72) Inventor Fumihiko Kimura 2-5 Minatomachi, Gamagori-shi Aichi Prefecture Takemoto Yushi Co., Ltd. F Terms (reference) 4L033 AA04 AB01 AC05 AC15 CA48 CA60

Claims (9)

[Claims] A synthetic fiber treating agent comprising a polyether compound, the following linear polyether-modified polyorganosiloxane, and an ionic surfactant, wherein the synthetic fiber treating agent comprises A synthetic fiber treating agent comprising an ether-modified polyorganosiloxane at a ratio of 0.1 to 12% by weight and an ionic surfactant at a ratio of 0.1 to 12% by weight. (Equation 1) (In the formula 1, R ¹ and R ⁴ are a hydrocarbon group having 1 to 40 carbon atoms, a fluoroalkyl group having 2 to 12 carbon atoms, and a substituted hydrocarbon having 2 to 8 carbon atoms substituted with a substituent having active hydrogen.) R ² , R ³ : alkylene group having 3 or 4 carbon atoms R ⁵ , R ⁶ : alkyl group having 1 to 4 carbon atoms, fluoroalkyl group having 1 to 4 carbon atoms or phenyl group A: 2 to 2 carbon atoms Alkylene group of 4 p, q: integer of 2 to 200 m: integer of 3 to 200 n: integer of 1 to 30) 2. A linear polyether-modified polyorganosiloxane comprising a compound having 3 to 6 carbon atoms in which R ¹ and R ⁴ in the formula 1 are substituted by an aliphatic saturated hydrocarbon group having 1 to 10 carbon atoms or a hydroxyl group.
R ⁵ and R ⁶ are methyl groups, A is an ethylene group and / or isopropylene group, m is an integer of 20 to 150, p and q are integers of 3 to 50, and n is 1 to 9 The synthetic fiber treating agent according to claim 1, wherein the agent is an integer. 3. The synthetic fiber treating agent according to claim 1, wherein the ionic surfactant is a quaternary onium salt represented by the following formula (2). (Equation 2) (In the formula 2, X: N or PR ⁷ , R ⁸ , R ⁹ , R ¹⁰ : an alkyl group having 1 to 25 carbon atoms,
Hydroxyalkyl group having 1 to 6 alkenyl group carbon atoms or 2 to 25 carbon atoms B ^y-: phosphoric acid esters having 1 to 30 carbon atoms, esters of sulfuric acid 1 to 30 carbon atoms, sulfonic acid esters of 1 to 30 carbon atoms And a y-valent anion group obtained by removing a hydrogen ion from a compound selected from carboxylic acids having 1 to 30 carbon atoms) y: integer of 1 to 3) 4. The quaternary onium salt is an aliphatic phosphate ester having 1 to 26 carbon atoms in the formula 2 where B ^y- is C 1 to C 26.
The synthetic fiber treating agent according to claim 3, wherein the compound is a y-valent anion group obtained by removing a hydrogen ion from a compound selected from aliphatic sulfonic acid esters and aliphatic carboxylic acids having 1 to 26 carbon atoms. 5. The polyether compound having an average molecular weight of 700 to 20,000 containing oxyethylene units and oxypropylene units as constituent units.
Or the synthetic fiber treating agent according to 4. 6. The synthetic fiber according to claim 1, further comprising an ester compound having a total carbon number of 10 to 50 and / or an ether ester compound in a ratio of 1 to 30% by weight. Processing agent. 7. The synthetic fiber treating agent according to claim 1, 2, 3, 4, 5, or 6, which is attached to the synthetic fiber to be subjected to the heat treatment step in an amount of 0.1 to 3% by weight. Synthetic fiber processing method. 8. The method according to claim 7, wherein the heat treatment step is a false twisting step. 9. The false-twisting step is performed at a heater temperature of 300 to 600.
9. The synthetic fiber treatment method according to claim 8, wherein the step is a step of using a short heater at a temperature of about 10 ° C.