JPS61225372A - Spinning oil agent for polyester fiber - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a spinning oil for polyester fibers.

[Prior art]

As a lubricant for polyester fibers, a mixture containing alkyl phosphate potassium salt as a main ingredient and a smoothing agent, a surfactant, etc. is widely used.

[Problem that the invention seeks to solve]

The present inventors have found that with such an oil agent, there is little roller wrapping in the filament under high temperature and high humidity conditions, and the oil agent can be used at low temperatures.

The present invention was achieved as a result of studies aimed at obtaining a spinning oil for polyester fibers that generates a small amount of charge under low humidity conditions.

[Failure to solve the problem]

The present invention is based on the general formula % formula % (1) [wherein A□ is -Coo-(A10) m- or -
(OA')mOCO-. A2 is 1000-(A'
O)m-, -(OA')mOCO- or -NRCO-
It is. A' is an alkylene group having 2 to 4 carbon atoms. A
, は-000-(A'0腑.

iOA')mOco- or -〇〇NR-, and R is H or an alkyl group. m is O or an integer of 1 or more. Ar is an aromatic ring containing a sulfonic acid (salt) group.

G is a residue of glycol or dicarboxylic acid.

X, , X2 may be alcohols, monocarboxylic acids, alkylamines and active hydrogen-containing alkaline earth metals, ammonium or amine cations. n is an integer of 1 or more. ] Polyester (a)
and a spinning oil agent for polyester fibers (first invention) characterized by containing a smoothing agent (b) and a general formula (
1) A spinning oil for polyester fibers (second invention) characterized by containing polyester/'' (alt smoothing agent (b) and phosphate ester) V (salt) (c)
It is.

In general formula (1), examples of the alkylene group 02-4 of A' include an ethylene group, a propylene group, and a butylene group. Preferred are an ethylene group, a propylene group, and a combination of an ethylene group and a propylene group. m is 0
or an integer of 1 or more, usually 0 or 1 to 80. Preferably it is 0 or 1-10.

Common alkyl groups include alkyl groups having 1 to 22 carbon atoms (methyl, ethyl, rho, or i-propyl).

n- or i-butyl, hexyl, octyl, 2-ethylhexyl, decyl, dodecyl, tridecyl.

Included are alkyl groups such as hexadecy/L/, octadecyl, eicosyl groups, and alkenyl groups such as 9-octadecenyl group. Preferably it is an alkyl group having 1 to 18 carbon atoms.

The aromatic ring containing a nurphonic acid (salt) group in A is -Ar'-, an aromatic nurphonic acid (salt) substituted with an earth metal, ammonium or amine cation dehydroxyl group, a carboxyl group and -0 (AO) Aromatic sulfonic acid (salt) containing a carboxyl group or a hydroxyl group, excluding mH.
Examples include aromatic dicarboxylic acids [isophthalic acid, terephthalic acid, phthalic acid, naphthalene dicarboxylic acid (1,4-,
2,6-, etc.) and/or their salts; hydroxy-substituted aromatic compounds [dihydric phenols such as hydroquinone, 2-naphthol, or alkylene oxide adducts thereof (fulkylene oxide having 2 to 8 carbon atoms); For example, ethylene oxide (EO).

Propylene oxide (PO) + i, 2-11.
Adduct of a- or 1,4-butylene oxide, 1,2-octylene oxide; the number of moles added is usually 2 to 50. Preferably, sulfonated products of 2 to 10] and/or salts thereof are mentioned. Preferably aromatic dicarboxylic acid 71
vhonide and/or its salt.

Alkali metals (potassium, sodium, etc.) as salts
, alkaline earth metals (calcium, magnesium)
, organic amines (alkanolamines such as mono-, di- or triethanolamine).

Examples include single or mixed salts of lower alkyl amines such as (methylamine, ethylamine, isopropylamine, dimethylamine, trimethylamine, etc.).

Among the salts, preferred are alkali metal salts, particularly preferred are potassium salts.

Aromatic compounds that do not have a sulfonic acid (salt) group in a part of the aromatic sulfonic acid (sulfonic acid) substituted with a carboxyl group or a hydroxyl group if necessary [isophthalic acid, terephthalic acid, phthalic acid, naphthalene dicarboxylic acid (1,4-, 2,6-
etc.], hydroquinone.

2-naphthol, etc.] may also be included. If included, the amount of the aromatic compound without sulfonic acid (salt) groups is usually 20 parts or less, preferably 10 parts or less, based on the total weight of the aromatic compound containing sulfonic acid (salt) groups. .

In the G glyco-/L/ group or dicarboxylic acid residue, the glycols forming the residue include aliphatic,
Cycloaliphatic or aromatic glycols such as ethylene glycol, fluoropylene glycol, trimethylene glycol/
l/, 1,4-butanedio-/L/.

1.6-hexanedio-y, 1.8-octanediol, neopentyl glycol, bis(hydroxymethyl)
Cyclohexane, bis(hydroxyethyl)benzene;
Trivalent or higher polyol/L/(glycerin, trimethylolpropane, pentaerythritol, sorbitol)
Toru, tori mechirorue
Partial esthetics for tan /I/(carbon number 6-36
(partial ester with fatty acids) of two alcoholic O
Examples include compounds having an H group. Also, compounds having two active hydrogen atoms [the above-mentioned glycols, and dicarboxylic acids (aliphatic or aromatic dicarboxylic acids such as succinic acid, adipic acid, sebacic acid, maleic acid).

terephthalic acid, etc.)] [alkylene oxides having 2 to 8 carbon atoms, ethylene oxide (EO), phlopylene oxide (PO),
1.2-, 2.1-t 1.3- or 1.4-butylene oxide, adduct of 1.2-octylene oxide; the number of moles added is usually 2 to 50, preferably 2 to 10, and as much as 1 Can be used as glycols.

Among the glycols, ethylene glycol is preferred.
/I/, polyethylene glycol, polypropylene glycol, polyethylene polypropylene glycol, and alkylene oxide adducts of dicarboxylic acids, and particularly preferred are ethylene glycol, diethylene glycol, polyethylene glycol (molecular weight 100
~2000) Polyethylene polypropylene glycol)
V (molecules i 104 to 2000).

If necessary, polyols with a valence of 8 or more may be added to some of the glycols.
/L/ (glycerin, trimethylolpropane, pentaerythritol, etc.) may also be used. When used, the amount of trivalent or higher polyol is usually 20% or less, preferably 10% based on the total weight of polyol and glycols.
It is as follows.

The dicarboxylic acids forming the dicarboxylic acid residue of G in general formula (1) include aliphatic or aromatic dicarboxylic acids such as succinic acid and adipic acid.

Examples include sebacic acid, maleic acid, and terephthalate/L' acid.

Among the dicarboxylic acids, preferred are aliphatic dicarboxylic acids, and particularly preferred is adipic acid.

In general formula (1), n is preferably 1-6.

When n exceeds 6, the convergence of the nulliver becomes poor in the spinning process, resulting in a significant decrease in work efficiency.

The alcohol forming the residue of XlX2 usually has 1 or more carbon atoms, preferably 6 to 36 carbon atoms, and particularly preferably 8 carbon atoms.
~22 linear or branched saturated or unsaturated alcohols) V (methyl-, ethyl-+nt or i-propy~, n- or i-butylene oxide, octyl-
12-ethylhexyl, decyl, lauryl, tridecyl, cetyl.

nutearyl, isonutearyl, oleyl.

Behenyl-22-octyl octadecyl-alcow (!: ) + Synthetic alcohol-/L/(Ziegler method alcohol, oxo method alcohol, secondary alcohol, etc. For example, US Pat. No. 2,870,2808,
JP-A-49-127000 and JP-A-54-125795.

50-194 and Japanese Patent Application No. 59-1377); alicyclic alcohol) V (cyclohexanol, ncloheptanol, decahydronaphtholnato); fluorinated alcohol (trifluoroethanol, those described in JP-A-57-112545, etc.) etc. The monocarboxylic acids forming the monocarboxylic acid residue in X, X2 usually have 1 or more carbon atoms, preferably 6-36. Particularly preferred are 8 to 22 linear or branched saturated or unsaturated aliphatic monocarboxylic acids (formic acid, acetic acid, propionic acid, butyric acid).

Caproic acid, capric acid, 2-ethylhexanoic acid.

(lauric acid, myristic acid, stearic acid, isostearic acid, erucic acid, behenic acid, oleic acid, etc.).

The sulalkylamines forming the alkylamine residues in X, ,

Examples include lauryl, millinutyl, stearyl, oleyl, behenylamine, etc.).

The adduct forming the residue of the alkylene oxide adduct of the active hydrogen-containing compound in X, , Compounds with the following structure are mentioned.

Examples of the active hydrogen atom-containing compounds include alcohols, carboxylic acids, acid amides, mercaptans, amines,
Examples include castor oil and its derivatives, mono- or di-glycerides, and the like.

Examples of alcohols and carboxylic acids include the same alcohols and monocarboxylic acids as mentioned above.

The acid amides usually have 1 or more carbon atoms, preferably 6 to 6 carbon atoms.
Particularly preferred are 8 to 22 saturated or unsaturated aliphatic monocarboxylic acid amides (such as stearic acid amide).

Examples of mercaptans include alkyl ρ matah alkenyl mercaptans having a carbon number of usually 1 or more, preferably 6 to 36, particularly preferably 8 to 22 (stearyl mercaptan, etc.)
can be given.

The amines have 1 or more carbon atoms, preferably 6 to 36 carbon atoms,
Particularly preferred are 8-22 alkylamines (such as stearifleamine).

Examples of castor oil derivatives include alkylene oxide adducts of castor oil.

Mono- or diglycerides include lauric acid mono- or diglycerides.

Among the active hydrogen atom-containing compounds, preferred are monohydric alcohols having 6 to 36 carbon atoms and monocarboxylic acids, and particularly preferred are monohydric apcols having 8 to 22 carbon atoms and monocarboxylic acids.

As the alkylene oxide, 7-kylene oxide [ethylene oxide (E
O), propylene oxide (PO) l.

2-, -2.8-, 1.8- or 1.4-butylene oxide, 1.2-octylene oxide, etc.). Preferred are EO and a combination of EO and PO.

The number of moles of alkylene oxide added is usually 1 to 50, preferably 1 to 10.

As the alkali metal, alkaline earth metal, and amine forming the amine cation in X2, those similar to those described in the section of the Ar salt mentioned above can be used.

Among X, , and X2, preferable residue-forming compounds are alcohols, monocarboxylic acids, and alkylene oxide adducts of these compounds.

The polyester in the present invention (for example, a carboxyl group-terminated polyester of a carboxyl group-substituted aromatic sulfonic acid (salt), a glyco/silicone, and an alkylene oxide adduct of m alcohols and/or an active hydrogen atom-containing compound) Esthetics) V (Partial, complete esters, preferably complete esters) v ) (a,); Esthetics of hydroxyl group-terminated polyesters of double hydroxyl group-substituted aromatic sulfonic acids (salts) and dicarboxylic acids and monocarboxylic acids/ I/(partial, complete ester, preferably complete ester) (a2);
Partial, complete amide, preferably complete amide): and a/lekylene oxide adduct of carboxyl group-terminated polyester of carboxyl group-substituted aromatic sulfonic acid (salt) and glycols and m alcohols or active hydrogen atom-containing compounds and an alkyleneamine partial ester partial amide (a4).

In the above (a,), (a3) and (a4), the moles of glycols and carboxyl group-substituted aromatic sulfonic acid (salt) in the carboxyl group-terminated polyester of carboxyl group-substituted aromatic sulfonic acid (salt) and glycols. The ratio is usually 1:1.1 to 2.2, preferably 1
: 1.3 to 2.1. In the above (a2), the molar ratio of dicarboxylic acid and hydroxyl group-substituted sulfonic acid (salt) in the hydroxyl-terminated polyester of hydroxyl-substituted aromatic sulfonic acid (salt) and dicarboxylic acid is usually 1:1.2-2. 2, preferably 1:
It is 1.8-2.1.

Specific examples of polyester/I/(a) in the present invention include the following.

Example of mark (al) 1:: Isophthalic acid sulfonated compound and ethylene glycol
Lauryl alcohol dieneterpotassium salt of carboxyl-terminated polyester with 1v (Mo/L' ratio 2+1) 2] Isophthalic acid sulfonated product and ethylene glycol
-)v (mo)v ratio 2:1) of carboxyl group-terminated polyester with lauric acid EO(3) (refers to 3 mole EO adduct of lauric acid; the same description will be used hereinafter).

) Diester potassium salt lVI [18; isophthalic acid sulfonated product and polyethylene glyco-1v (molecular weight 200) (mo) v ratio 2:
1) Carboxyluryl alcohol diester with 4; Isophthalic acid sulfonated compound and ethylene glycol: 7-
) v (molar ratio 2:1) of carboxyl-terminated polyester I, lauryl alcohol and lauric acid EO (4)
Examples of ester potassium salts (alum) (a2) of hydroquinone EO (6); lauric diester potassium salts of hydroxyl-terminated polyesters with sulfonated toadipate molar ratio (2:1) of hydroquinone EO (6) NCL6; Example of lauric acid monoester potassium salt of hydroxyl group-terminated ester [3 Cas'') Nn7; Isophthalic acid sulfonated product and ethylene glycol
Nutearylamine diamide potassium salt of carboxyl-terminated polyester with r − /L/ (molar ratio 2:1) @ (a,) Example Nl18; lauryl alcohol monoester laurylamine monoamide potassium salt of carboxyl-terminated polyester of ) The content of sulfonic acid groups (in the case of sulfonic acid groups, it is calculated as sulfonic acid groups) in V(k) is usually 2 to 30% by weight, preferably 5 to 22% by weight.

In the present invention, polyester) V (^) is a carboxyl group- or hydroxyl group-substituted aromatic sulfonic acid (salt).
, glycols, -hydric alcohols, alkylene oxide adducts of active hydrogen-containing compounds, monocarboxylic acids, alkyl amines, etc. can be reacted in any order (sequentially or simultaneously). For example, a sulfonated aromatic dicarboxylic acid and a glycol are reacted, preferably with an excess of carboxyl groups, to form a polyester, and then a -hydric alcohol, an alkylene oxide adduct of an active hydrogen-containing compound, and/or an alkylamine are processed to esterify or amidate. After reacting aromatic dicarboxylic acid, glycol-alcohol-1v, alkylene oxide adduct of active hydrogen-containing compound, and/or alkyl amine in any order, sulfan,
A method of sulfonation and neutralization with a sulfonating agent such as fuming sulfuric acid or chlorosulfonic acid; an aromatic dicarboxylic acid and a glycol are preferably reacted with an excess of carboxyl groups to form a polyester, and then a monohydric alkoxy i/l' r A method in which an active hydrogen-containing compound is esterified or amidated by adding an alkylene oxide adduct and/or an alkyl amine, and then sulfonated and neutralized with a sulfonating agent such as sulfan, oleum, or chlorosulfonic acid; aromatic dicarbonate Sulfonated acids, glycols, and monohydric alcohols.

A method in which an alkylene oxide adduct and/or an alkylamine of an active hydrogen-containing compound is simultaneously added and reacted, and then neutralized; a hydroxyl-substituted aromatic sulfonated product and a dicarboxylic acid are reacted, preferably with an excess of hydroxyl groups, to form a polyester. Examples include a method in which monocarboxylic acid is then added to esterify and neutralize.

Esterification may be carried out by a known method, for example using a catalyst (sulfuric acid 9
In the presence of hypophosphorous acid, para-toluenesulfonic acid, etc.),
What is necessary is just to make it react at 80-180 degreeC.

Amidation may also be carried out by known methods, for example at 100-200°C.
All you have to do is react.

Sulfonation may be carried out by any known method, such as using fuming sulfuric acid,
With sulfonating agents such as chlornulfonic acid and sulfan,
The reaction may be carried out in a solvent system if necessary.

Smoothing agents (bls include esters, animal and vegetable oils, mineral oils,
Examples include wax and high-grade alcohol silicone.

Examples of esters include monocarboxylic acid monoesters [capryl laurate, capryl palmitate butyl oleate, lauryl stearate, oleyl oleate, isostearyl stearate;

Butyl stearate, 2-ethylhexyl stearate, Diado/l/28 (C9-C13 synthetic alcohol.

Mitsubishi Chemical Industries products) laurate, caprylic EO (3) laurate, octane) v EO (5) stearate,
oleyl E O (21 oleate, 2-ethyl) v hexy) v PO (5) Nice i f alate, diado/l/28 PO (5'r-laurate, etc.)
.

Dicarboxylic acid ester [dilauryl adipate.

Diisonuthearyl adipate, dioleyl sebacate,
dilauryl thiodipropionate, dilauryl guimaic acid ester, diocuti) v E O (31 acyhate, diisostearyl EOga adipate, dilauryl E
OQ (1 thiodipropionate, etc.), monocarboxylic acid polyhydric a/l/col or its alkylene oxide adduct ester [ethylene glycol dilaurate, polyethylene glyco-) V (molecular weight 106-6000, preferably 106-3000') dilaurate, polyethylene glycol monopalmitate, 1,4-butanediol palmitate diisostearate, trimethylolpropane trilaurate, sorbitane dioleate, etc.] and mixtures of two or more thereof.

Animal and vegetable oils include vegetable oils (castor oil, rapeseed oil).

Olive oil, coconut oil, soybean oil, bran oil, cottonseed oil.

Examples include peanut oil, camellia oil, etc.) and animal oils (ox leg oil).

Mineral oils include liquid paraffin and nubindol oil [
Liquid paraffin #100 (Chuo Kaseihin).

RA spindle oil (Inukyo Oil Products), special Nubindle oil A (
Nippon Oil Products), etc.).

Examples of waxes include paraffin wax, carnauba wax, polyethylene wax, and microcrystalline wax.

Examples of higher alcohols include aliphatic alcohols having 12 to 36 carbon atoms (Lauryl alcohol)
Examples include LE, PEHENI RUAR COLE, NG ECO/"32-86 (New Japan Chemical Co., Ltd.), etc.).

As silicon, dimethylpolysiloxane (molecular weight 1
34-100,000 preferably 300-30,000
), modified silicone (alkyl-modified methylpolysiloxane).

Examples include dimethylpolysiloxane modified with alkyl at both ends, linear alkylpolyether dimethylpolysiloxane, polyether-modified polysiloxane, carboxyl-modified polysiloxane, and amino-modified polysiloxane.

Preferred as the smoothing agent (b) are ethers,
Particularly preferred are monocarboxylic acid polyhydric alcohols or their alkylene oxide adduct esters.

In the oil agent of the present invention, the combined use of (al and (phosphoric acid ester) v (salt) (referring to phosphoric acid ester or its salt) (C) in addition to (bl) further improves antistatic properties and card passage properties in the spinning process. will improve.

As the phosphate ester) V (salt), alkyl phosphate ester/'(salt') and polyoxyalkylene alkyl ether phosphate ester/L/ (salt) can be used.

The alkyl phosphoric acid ester) Ly (salt) usually has 1 or more carbon atoms, preferably 6 to 36 carbon atoms, particularly preferably 8 to 36 carbon atoms.
22 linear or branched phosphoric acid mono-, di- or triesters (salts) of saturated or unsaturated alcohols are polyoxyalkylene alkyl ether phosphoric esters) V
Examples of the (salt) include the above-mentioned phosphoric acid mono-, di- or trieste/L/(salt) of the alkylene oxide adduct of the saturated or unsaturated alcohol.

In the above, examples of the saturated or unsaturated alcohol include those described above in the section of the alcohol forming the alcohol residue in Xl.

In the phosphoric acid mono-, di- or trieste (mono-, di- or triester) V (salt) of alkylene oxide adduct, the alkylene oxide and the number of moles added thereof are the same as those of the adduct forming the residue of the alkylene oxide adduct of the active hydrogen-containing compound in Xl. The alkylene oxide and the number of moles added are the same as those described in the above section, and preferred ones are also the same.

Salts include alkali metals and alkaline earth metals.

Examples include ammonium and amine salts, and the same salts as those described above in the Ar section are mentioned, and preferred ones are also the same.

In addition to (a), (b), and (C), the oil agent of the present invention may also contain other components (d) as necessary, such as a surfactant (emulsifier and/or antistatic agent). ) [Anionic surfactants such as alkyl or polyoxyalkylene alkyl ether sulfates: quaternary ammonium salt type (such as those described in Japanese Patent Publication No. 57-30427),
Cationic surfactants such as primary to tertiary amine salt types, sulfonium salt types, and arsonium types; nonionic surfactants such as polyoxyalkylene alkyl ethers and polyoxyalkylene fatty acid esters; amphoteric surfactants such as alkyl betaines etc.]; additives (antioxidants, antifoaming agents, preservatives, etc.).

Among the surfactants, anionic surfactants and cationic surfactants are preferred from the viewpoint of preventing static electricity at low humidity and improving spinnability.

In the oil agent of the present invention, the content of (a) is usually 10 to 80 inches, preferably 15 to 70 inches, based on the weight of the total oil agent. If the content of (a) is less than 10%, the ability to prevent roller wrapping under high temperature and high humidity conditions will decrease. Moreover, if it exceeds 80%, sufficient spinnability cannot be obtained.

The content of the smoothing agent (b) is usually 5 to 50%, preferably 1
It is 0-50%.

The content of (c) is usually 10 to 90, preferably 20 to 90.
6.

It is Chi. When the content of (C) exceeds 90%, roller wrapping increases under high temperature and high humidity conditions. Moreover, if it is less than 10, sufficient spinnability cannot be obtained.

The content of the surfactant is usually 1 to 60, preferably 5
~30cm.

The content of the additive is usually θ to 5%, preferably 0 to 8%.

The oil agent of the present invention can be used for polyester fibers.

The amount of oil applied can be varied over a wide range depending on the processing purpose, etc., but it is usually 0.60% as a solid content to the fiber.
5 to 3% by weight, preferably 0.08 to 0.3% by weight.

The oil agent of the present invention can be applied to fibers in a conventional manner, for example, in the form of an emulsion with water (the concentration of the oil agent is usually 1 to 10% by weight), or in the form of a water-free (crude oil or organic solvent solution). ), the fibers can be lubricated at any position during the finishing process.Furthermore, after applying the lubricant by the immersion lubricating method, the treated fibers can be subjected to a dry heat treatment, and then re-lubricated by the spraying method. It can be applied at various stages such as the spinning process, the process immediately before drawing, and the drawing process; the fibers can be in various forms such as filament yarn (multifilament yarn) - staple, undrawn yarn - drawn yarn, etc. can give.

〔Example〕

The present invention will be further explained below with reference to Examples, but the present invention is not limited thereto. In the examples, parts and units are based on weight. Polyester/L/(a) indicates the above.

Example 1 (Oil agent of the present invention) Polyester (a) Nn1
20% polyethylene glycol/L/(molecular weight 800) monostearate 40% polyethylene glycol/L/(molecular weight 800
') Monostearate 20% stearyl alcohol EO (20) 15% liquid paraffin (viscosity 15 cst/80°C) (b)
5% Example 2 (Oil agent of the present invention) Polyester (a) Nn1
80% lauryl phosphate with salt (c) 40
Polyethylene glycol/L/(molecular weight 200) dilaurate (b) 20% polyethylene glycol)
v (molecular weight 1000) monomysterate 10 t Example 3 (Oil agent of the present invention) Polyester (a) 1 2
80 Thilauryl phosphate with salt (c) 40
% polyethylene glycol (molecular weight 200) dilaurate (b) 20% polyethylene glycol/L/
(Molecular weight 1000) Monomysterate Example 4 of Section 10 (Oil agent of the present invention) Polyester (a) Nn5
80 Thilaurylhonuhet with salt (c) 40
Polyethylene glycol/L/(molecular weight 200) dilaure) (b) 20% polyethylene glycol)
V (molecular weight too) monomysterate Comparative example 1 of 10 (comparative oil agent) Salt to lauryl phosphate
60% ethylene glyco-/L/(min-78200) monohalmite) 35% polyethylene glyco-)V (molecular weight 600) monostearenide 5% Comparative Example 2 (Comparative oil) Lauryl alcohol-1v E O(4) Sulfuric acid ester/L'
Na salt 50 tips Polyethylene glycol/l/(
Molecular weight 200) Distearate 35 Distearyl monoglyceride 15T Test example 1 Polyester tape tI/(1,5d, 88mm
) was sprayed with 0.12% of the 0.4% aqueous emulsion of the spinning oil shown in Examples 1 to 4 and Comparative Examples 1 to 2.
It was oiled and dried at 70°C for 3 hours. The results of trial spinning this oiled cotton using an actual spinning machine (ON type card machine, DY-20 type high speed filament machine) are shown in Tables 1 and 2. Amount of electricity generated in the carding process, card passing properties (passage time, cylinder winding), sliver focusing properties (coiling form,
The number of roller windings during the filament process was measured.

Table 1 [ [ Table 2] From the results shown in Tables 1 and 2, the oils of the present invention are superior to the comparative oils in preventing wrapping around the linear roller under high humidity conditions, and are also more effective at preventing wrapping under low humidity conditions. The amount of charge generated is small.

〔Effect of the invention〕

The oil agent of the present invention has less occurrence of roller wrapping even under high temperature and high humidity conditions. In addition, it has excellent antistatic properties even in low humidity environments, making it difficult for cards to wrap around the cylinder and clog the coiler tube due to static electricity.

Claims (1)

[Claims] 1. General formula X_1-A_2 [Ar-A_1-G-A_1]-_nA
r-A_3-X_2 (1) [wherein A_1 is -COO-
(A'O)m- or -(OA')mOCO-. A_2 is -COO-(A'O)m-, -(OA')mO
CO- or -NRCO-. A' has 2 to 4 carbon atoms
is an alkylene group. A_3 is -COO-(A'O)
-_m, -(OA')mOCO- or -CONR-, and R is H or an alkyl group. m is 0 or 1
is an integer greater than or equal to Ar is an aromatic ring containing a sulfonic acid (salt) group. G is a residue of glycol or dicarboxylic acid. X_1 and X_2 are residues of compounds selected from the group consisting of alcohols, monocarboxylic acids, alkylamines, and alkylene oxide adducts of active hydrogen-containing compounds, and X_2 is H, alkali metals, alkaline earth metals, ammonium Alternatively, it may be an amine cation. n is an integer of 1 or more. ] A spinning oil agent for polyester fibers, characterized in that it contains the polyester (a) represented by the formula (a) and a smoothing agent (b). 2. The content of (a) is 10 to 80 based on the weight of the oil agent.
% of the oil agent according to claim 1. 3. The content of (b) is 5 to 50% based on the weight of the oil agent.
The oil agent according to claim 1 or 2, which is 4. General formula X_1-A_2-[Ar-A_1-G-A_1]-_n
Ar-A_3-X_2 (1) [wherein A_1 is -COO
-(A'O)m- or -(OA)mOCO-. A_2 is -COO-(A'O)m-, -(OA')mO
CO- or -NRCO-. A' has 2 to 4 carbon atoms
is an alkylene group. A_3 is -COO-(A'O)
-_m, -(OA')m0CO- or -CONR-, and R is H or an alkyl group. m is 0 or 1
is an integer greater than or equal to Ar is an aromatic ring containing a sulfonic acid (salt) group. G is a residue of glycol or dicarboxylic acid. X_1 and X_2 are groups selected from the group consisting of alcohols, monocarboxylic acids, alkylamines, and alkylene oxide adducts of active hydrogen-containing compounds, and X_2 is H, alkali metals, alkaline earth metals,
It may also be an ammonium or amine cation. n
is an integer greater than or equal to 1. ] Polyester (a
), a smoothing agent (b) and a phosphoric acid ester (salt) (c). 5. The content of (a) is 10 to 80 based on the weight of the oil agent.
% of the oil agent according to claim 4. 6. The content of (b) is 5 to 50% based on the weight of the oil agent.
The oil agent according to claim 4 or 5, which is 7. The content of (c) is 10 to 90 based on the weight of the oil agent.
%. The oil agent according to any one of claims 4 to 6.