JPS61672A - Oil agent for synthetic fiber supplied to water jet loom - 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] <Industrial Application Field> The present invention relates to an oil agent (hereinafter simply abbreviated as an oil agent) applied to synthetic fibers woven with a water jet F/L/-m.
Regarding.

In recent years, weaving of synthetic fibers using a water jet loom has further increased due to improvements in productivity and reductions in costs. However, in reality, this weaving still does not fully demonstrate its original function. The reason is especially
The problem is caused by the oil, glue, etc. applied to the synthetic fibers and the sprayed water, and in many cases, by the action of microorganisms on these. In other words, the slime adheres to the reeds, heddles, nozzles, etc. of the loom, reducing the weaving efficiency and quality of the fabric, and the slime adhering to the fabric or forming on the fabric impairs the refinability of the fabric. Decrease, etc.
This lowers the quality of the fabric.

The present invention is applied to synthetic fibers used in a water jet loom to prevent the generation and adhesion of slime such as those caused by steaming. The present invention relates to an oil agent from which textiles can be obtained.

<Prior art and its problems> Conventionally, oils (or pastes) containing preservatives and fungicides and chelating agents have been proposed (Japanese Patent Application Laid-open No. 114999/1989, etc.). This prevents insolubilization of inorganic salts in the injection water while suppressing the growth of microorganisms, thereby preventing scale formation. However, although such conventional oils initially have the above-mentioned effects, these effects are not sustainable, resistant bacteria develop with use, and toxicity due to antibacterial and fungicides, wastewater treatment, In particular, there are many problems in that it impairs various functions such as smoothness and antistatic properties that are originally required of oils.

<Problems to be solved by the invention and means for solving the problems> As described above, the present invention solves the conventional problems and fully demonstrates the original function of weaving using a water jet loom. The purpose is to provide an oil solution that can

From this point of view, as a result of intensive research, the present inventors found that an oil agent containing mineral oil and/or fatty acid ester as a base oil containing a specific monoester and a compound selected from a specific group is suitable. They have found that this is the case and have completed the present invention.

That is, the present invention uses mineral oil and/or fatty acid ester as a base oil, a monoester of a trihydric or higher polyhydric alcohol and a monohydric fatty acid having 6 to 12 carbon atoms, and the following A
The present invention relates to an oil for synthetic fibers to be used in a water jet loom, which is characterized by containing one or more compounds selected from the group consisting of:

Group A: citric acid or its salt, aminocarboxylic acid or its salt represented by the following general formula (I), polyphosphoric acid or its salt.

General formula (1): (However, R' and R2 are hydrogen or an alkyl group or alkenyl group having 1 to 22 carbon atoms. n is an integer of 0 to 4.) Mineral oil used as a base oil in the present invention and/or fatty acid esters, mineral oil is usually 30
Redwood having a kinematic viscosity of 40 to 500 seconds at °C is used, but from the viewpoint of lubricity, one of 50 to 150 seconds is preferred. In addition, fatty acid esters include notyl oleate, methyl oleate, 2-ethylhexyl palmitate,
Isocetyl laurate, dioctyl sebacate, ethylene glycol diolate, trimethylolpropane trioctanoate, etc. are used. These base oils in oils are usually on a 40 weight plate.

Trivalent or higher polyhydric alcohol in the present invention and carbon number 6-
Regarding the monoester with monohydric fatty acid No. 12, glycerin, trimethylolpropane, pentaerythritol, and sorbitol are used as the trihydric or higher polyhydric alcohol, but glycerin is preferable in terms of the expression of effects. Monovalent fatty acids having 6 to 12 carbon atoms include caproic acid, caprylic acid, capric acid, lauric acid, and isodecanoic acid. is preferred. Monoesters obtained using dihydric or lower alcohols or monohydric fatty acids having carbon numbers outside of 6 to 12 significantly reduce the effect, and the intended purpose of the present invention cannot be achieved. The monoester in the present invention is synthesized by esterifying a trivalent or higher polyhydric alcohol and a monovalent fatty acid having 6 to 12 carbon atoms by a conventional method, but it is more preferable to purify it by, for example, molecular distillation. Monoesters synthesized in this manner include glycerin monocaprylate, glycerin monolaurate, sorbitol monoplatate, pentaerynritol monomyristate, and the like. The content of these esters in the oil agent is usually 1% by weight or more, but from the viewpoint of achieving the desired effect, it is preferably 3% by weight or more. However, if the content increases, it will have an unfavorable effect on other oil properties such as lubricity and emulsifying properties, so it is preferably 10% by weight or less.

Regarding the compound of Group A in the present invention, the general formula (
1) Aminocarboxylic acid salt c.

Sodium salt of ethylenediaminetetraacetic acid, diethylene l
-1) Triethanolamine salt of amine pentaacetic acid, N. N
'-Bis(1-carboxyhefrideceny)V) Sodium salt of tetraethylenebencuminetetraacetic acid, N,N
'-His(1-carboxydecyl)V) Potassium salt of ethylenecyaminetriacetic acid, mixed salt of oleylmethylamine and jetanolamine of ethylenediaminetetraacetic acid, mixed salt of oleylmethylamine and sodium of diethylenetriaminepentaacetic acid, N.

N'-his(1-carboxydecyl)V) laurylamine salt of ethylenediamine diacetic acid, diptylethanolamine salt of triethylenetetraminehexaacetic acid, N-(1-carboxyheptadecenyl)V) ethylenecyaminetriacetic acid Examples include diethylene triamine salt, triethanolamine salt of tetraethylenepentamine heptaacetic acid, and polyoxyethylene (6 mol) octylamino ether salt of ethylenediaminetetraacetic acid. In addition, polyphosphoric acid is a general commercially available product (
Although it may be a mixture of tripolyphosphoric acid and tetrapolyphosphoric acid, it is preferable to use it as a potassium salt or a sodium salt from the viewpoint of exerting the effect. Among the compounds of Group A, citric acid and/or its salts are truly excellent in terms of exerting effects, particularly in suppressing the generation of scum. The amount of these Group A compounds in the oil agent is usually 1 weight or more, but preferably 3 weight or more from the viewpoint of exerting the effect.

However, if the content increases, it may have an unfavorable effect on the lubricity of the oil, so it is best to keep it at 7% by weight or less.

Although the pH of the oil agent according to the present invention is not particularly limited, the effect is remarkable in an alkaline range where the pH of the 1% aqueous emulsion solution is 8 or higher.

Various methods may be used to achieve such an alkaline range, such as caustic alkaline agents, but aminoether derivatives represented by the following general formula (1) and/or the following general formula (■
) It is particularly preferred to use imidacillin type betaines. These agents themselves exhibit superior lubricity and antistatic properties compared to other alkaline agents such as caustic agents.

L+CyuH2mO+-Hq (However, R3 is an alkyl group or 7-rukenyl group having 8 to 22 carbon atoms. m is an integer of 2 or 3. p.

q is an integer greater than or equal to 1. ) (However, R4 is an alkyl group or alkenyl group having 7 to 21 carbon atoms. M is sodium or potassium. x and y are 1 to 21.
An integer of 3. ) Aminoether derivatives represented by the general formula (II) include polyoxyethylene (4 mo) V ) lauryl amino ether, polyoxyethylene (8 mo) stearyl amino ether, and the like. Further, in the imidacillin type betaine represented by the general formula (1), in the general formula (1), R4 is C1
, H23M is Na, x is 2, and y is 1, then R4
is C17H23, M is Na, and X and y are 2, etc. The content of these compounds in the oil is
The amount may be sufficient as long as it makes the pH of the aqueous emulsion solution of the oil agent 8 or more, and is usually 3% by weight or more.

<Function, etc.> In addition to the components described above, the oil agent according to the present invention may contain conventionally proposed emulsifiers, sizing agents, antistatic agents, etc., as appropriate, to the extent that the effects of the present invention are not impaired. I can do it,
It can be applied to various synthetic fibers such as polyester, 6-nylon, 6.6-nylon, etc. The oiling agent may be applied at any stage before the synthetic fiber is subjected to the water jet loom, but from the viewpoint of overall workability, it is preferable to apply it during the spinning process. In this case, it can be applied to either the warp or the weft, or both. The specific lubricant supply means is not particularly limited, such as an oiling roller or a guide oil ring, and the form of the lubricant at that time is also not particularly limited, such as emulsion or straight. The amount of oil applied to synthetic fibers is usually 0.
The amount is 3 to 3.0% by weight, but when it is applied as a spinning oil, it is preferably 0.5 to 1.0% by weight from the viewpoint of workability and economy.

<Effects of the Invention> In summary, the present invention as described above has the following effects.

1) In water jet weaving of synthetic fibers, the generation and increase of scum can be prevented.

Therefore, 1) Deterioration of weaving efficiency and textile quality due to adhesion of scum to the reed, heddle, nozzle, etc. of the loom can be prevented.

11) It is possible to prevent deterioration in the quality of textiles, such as the adhesion of scum to textiles and the deterioration in refining performance due to the generation of scum.

2) Does not impair various functions such as the smoothness and antistatic properties of the oil.

3) It does not cause problems of toxicity itself or wastewater pollution due to the toxicity.

4) In the end, the original function of weaving using the water jet loom can be fully demonstrated.

<Examples, etc.> Test category/A 6-nylon multifilament melt-spun by a conventional method was coated with the oil shown in Table 1 (Examples 1 to 23) or the oil shown in Table 2 (Comparative Examples 1 to 9). Each oil adhesion amount is 1.0
Oil is supplied from an oiling roller in the form of an emulsion so that the weight % (based on fiber) is obtained, and then stretched and
A multifilament of 0 y' knee 7'724 filaments was obtained. Using this as a sample yarn, the antibacterial properties, lubricity, and antistatic properties were measured using the following methods. The results are shown in Table 3.

- Antibacterial properties: 4 g of sample yarn was immersed in 100 yttl of ion-exchanged water, and inoculated with 2 vtl of bacterial solution (containing M. nigra, A. coli, Escherichia coli, Bacillus subtilis, and red yeast).
The cells were incubated statically at 25°C. Immediately after inoculation and 20 days later, the number of viable bacteria was measured using Easicult-TTC.
, for bacteria, manufactured by Orion Diagnostica Co., Ltd.) and Easicult-M, for yeast and mold, manufactured by Orion Diagnostica Co., Ltd.).

・Lubricity and antistatic property: The sample yarn was 20'C x 25%
RH atmosphere, initial tension (T1) 20f, yarn speed 300"
For 7 minutes, the surface was made to run in contact with a 25πmφ cylindrical friction body with a matte finish and a contact angle of 90 degrees, and the tension at this time (T
2) was measured with a μ meter (manufactured by Eiko Sokki Co., Ltd.), and the coefficient of kinetic friction (μ, an index of lubricity) was calculated using the following formula. In addition, the electricity generated in the sample yarn immediately after passing through the friction body (indicator of antistatic property) was measured with a total current collection type potential measuring device (manufactured by Kasuga Denki Co., Ltd.) Note) Through Tables 1 and 2, the Values are parts by weight. B
1 is redwood mineral oil with a kinematic viscosity of 90 seconds at 30°C.

B2 is 2-ethylhexyl palmitate Nooctanoate. B2 is glycerin monolaurate.

B3 is sorbitan motupukaate.

B4 is sorbitan monolaurate. Fl is glycerin monobutyrate. F2 is glycerin monobutyrate. B3
is sorbitan monooleate.

B4 is ethylene glycol monodecanoate. B5 is glycerin dilaurate. B6 is sorbitan triolate.

A1 is citric acid. A2U citric acid sodium salt. A3
is the monohydroxyethylamine salt of citric acid. A4 is triethylamine salt of citric acid. A5 is diethylhydroxyethylamine salt of citric acid. 86 is a 5 mole ethylene oxide adduct of monoethyleamine salt of citric acid. A
7 is diethylenetriamine salt of citric acid. C1 is a sodium salt of polyphosphoric acid (a mixture of tripolyphosphoric acid and tetrapolyphosphoric acid).

Dl is the sodium salt of ethylenediaminetetraacetic acid.

D2&-1. Mixed salt of oleylmethylamine and jetanolamine of ethylenediaminetetraacetic acid. Sl is polyoxyethylene (4 mol) lauryl aminoate/l'OS
2 is the general formula (1), where R4 is C1, F23,
Imidacillin-type betaine when M is Na, X: is 2, and y is 1. K1 is polyoxyethylene (5 mo) V
) lauryl phosphate potash. B2 is sodium pine cola sulfate.

B3 is polyoxyethylene (4 mo) V) lauryl ether. B4 is polyoxyethylene (20 mo/L/) castor oil ether. B5 is polyoxyethylene (25 mo) V
) sorbitan triolate. Pl is methyl paraoxybenzoate.

Note) A viable count of 0 immediately after E.sica yv) TTC means that it is not detected by the above-mentioned method.

With the exception of Comparative Example 9, there is no substantial difference in the dynamic friction coefficient and generated electricity between the sides within the range shown in Table 3.

In addition, pH is a value measured in a 1-aqueous emulsion solution of each oil agent.

Test Category B A weaving test was conducted under the following conditions. The warp yarn is a yarn obtained by subjecting the sample yarn of test category A to 15 entanglements/m. The weft is the sample yarn of test category A. Weaving was carried out at 400 revolutions using water jet loom LW-41 manufactured by Nichijo Jidosha Co., Ltd., and 200 threads were woven (the number of warps was 5000,
Weft density 115 73.79α). Then, the weaving efficiency at this time was calculated, and the stains on the reeds and heddles and the stains on the fabric were visually evaluated using the following criteria. ◎−No stains at all, ○
= Almost no dirt, △ = Some dirt, × = Large dirt. The results are shown in Table 4.

Table 4

Claims (1)

[Scope of Claims] 1. Mineral oil and/or fatty acid ester as base oil, trivalent or higher polyhydric alcohol, and 1 having 6 to 12 carbon atoms.
An oil agent for synthetic fibers to be used in a water jet loom, characterized by containing a monoester with a fatty acid and one or more compounds selected from Group A below. Group A: citric acid or its salt, aminocarboxylic acid or its salt represented by the following general formula (I), polyphosphoric acid or its salt. General formula (I): ▲There are mathematical formulas, chemical formulas, tables, etc.▼ (However, R^1 and R^2 are hydrogen or an alkyl group or alkenyl group having 1 to 22 carbon atoms. n is an integer of 0 to 4. .) 2. The oil agent for synthetic fibers used in a water jet loom according to claim 1, wherein the trihydric or higher polyhydric alcohol is glycerin. 3. Claim 1 or 2, wherein the compound selected from Group A contains citric acid and/or a salt thereof.
An oil agent for synthetic fibers used in the water jet loom described in Section 1. 4. An oil agent for synthetic fibers to be used in a water jet loom according to any one of claims 1 to 3, wherein the pH of the 1% aqueous emulsion solution of the oil agent is 8 or more. 5 Synthesis provided in a water jet loom according to claim 4 containing an aminoether derivative represented by the following general formula (II) and/or an imidazoline type betaine represented by the following general formula (III) Oil agent for textiles. General formula (II): ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ (However, R^3 is an alkyl group or alkenyl group having 8 to 22 carbon atoms. m is an integer of 2 or 3. p and q are 1 or more. ) General formula (III): ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ (However, R^4 is an alkyl group or alkenyl group having 7 to 21 carbon atoms. M is sodium or potassium. x, y are 1
An integer between ~3. )