KR900001920B1 - Durability crease-resistant finishing method of cotton fabric - Google Patents

Abstract

The cotton fabric is impregnated with the mixt. of 1-20% O.W.S (I) [X= halogen, hydroxy, hydrogen; R1= ketone, amide, ester; R2= C1-20 alkyl, aryl, alkyl aryl , crosslinking agent, cat. (II), and physical property improving agent (III). The impregnated fabric is crosslinked with steam for 80-150oC for 10sec-5min and heated at 160oC for 3min to give crease-resistant cotton fabric. The cat. (I) is 1- 20 wt.% CpOqHr (p,q,r=1-20). (III) is 5-30 wt.% polyethylenic compd.

Description

Durable spindle processing of cotton fabric

The present invention relates to a method for imparting durable fusiformity to cellulose fibers.

In general, cellulose-based fibers are widely used for clothing because of the advantages of excellent hygroscopicity, warmth, comfort when worn, flexible touch. However, when worn with pants, sports clothes, etc., wrinkles are severe, and after washing, there is no wash and wear, and wrinkles are present, and thus ironing is required. Attempts to remedy these shortcomings have been studied for decades, but they have not been fully solved because of the problems of strength deterioration. On the other hand, as for the light oil of the blended polyester and cotton, polyester fiber shares a part of the strength, so the problems caused by the strength have been improved to some extent, and practical products have been produced. As it flows, products blended with synthetic fibers are being produced. However, since consumers 'lifestyles are directed toward natural fibers, consumers' demand for products made of cotton fiber alone rather than products blended with synthetic fibers is increasing.

Until now, it has been considered as a processing method for imparting fusiformity to cellulose fibers. The method of blending resins and preparations which minimizes the decrease in strength while improving fusiformity by applying the appropriate resin and the preparation to the fibers and performing dry heat treatment . 2) Process improvement method which improves the crosslinking ability of resin and fiber by adding resin to a fiber, and performing a heat treatment or ammonia gas treatment. 3) After the resin is applied to the fiber, it can be roughly classified into three types of electron beam irradiation methods that maximize the reactivity between the resin and the fiber by irradiating α-ray or β-ray.

Among the above methods, the compounding method of the resin and the preparation is mentioned in JP-A 52-43856, JP-A 52-55797, JP-A 52-55798, JP-A 52-91993, JP-A 61-39432, JP-A 61-23311 It is a processing method which makes N-metholol compound, diethyl ether, glycerin, epichlorohydrin, or an ethylene urea compound react under a metal salt or an acidic catalyst by the conventional method. However, the processing method improves the spindle property, but formalin odor is generated by the unreacted resin. Moreover, the catalyst is unstable in the processing liquid, so that the catalyst is decomposed before the resin and the fiber react, resulting in poor reactivity of the fiber and the resin. Due to the defect, crosslinking of the fiber surface proceeds rather than crosslinking inside the fiber, resulting in a decrease in strength.

Process improvement methods such as steaming and ammonia gas treatment are mentioned in a paper published by ROBERT M. et al in the American DYESTUFF REPORT VOL. 64, NO.5, P.25. Dimethic is a processing method in which physical properties such as fusiformity and strength are improved by subjecting ethylene urea and melamine-based compounds to aluminum fibers as a catalyst and performing heat treatment after fibrosis. Such processing method also improves spindle performance if proper processing agent and catalyst are not selected, but causes physical properties such as strength and thermal discoloration.

Full-line investigation is the method mentioned in the paper published by WK WALSH et al. In TEXRILE RESEARCH JOURNAL VOL. 37, p. 118. It is a method of irradiating alpha rays or beta rays.

Such a method can obtain a highly efficient reaction product, has excellent spindle quality, and has a relatively low physical property degradation such as strength. However, there are limitations in terms of equipment and cost in industrial application.

The present invention is a durable spindle processing method in view of the above point, the reactivity of the fiber and the resin by subjecting the mixed solution of the compound, crosslinking agent, preparation, reaction catalyst to give the cellulosic fibrous fabric to give the spindle property after treatment It is an object of the present invention to provide a durable spindle processing method of cotton fabric.

That is, the cross-linking of the fiber and the fusiform resin prevents the cross-linking of the fiber surface and promotes the cross-linking in the fiber, thereby improving the degree of fugitiveness while minimizing the decrease in physical properties. In the present invention, the N-metholol compound is used as a crosslinking agent of the fusiform resin and the fiber, and the polyethylene compound is used as a preparation for compensating for the deterioration of the physical properties of the fiber, and the hydroxy tricarboxylic acid type is used as the reaction catalyst. It is characterized in that the cellulose fiber fabric is immersed in a processing liquid using a glyoxal compound as a compound to impart fusitivity and then subjected to a heat treatment.

The method of the present invention crosslinks cellulose fibers and glyoxal resins, which are fusiform compounds, with cellulose fibers via N atoms of the N-metholol compound, and simultaneously heat-treats the activation energy of hydrogen ions in water molecules. To improve the reactivity.

On the other hand, the reaction between the cellulose fiber and the crosslinking agent is based on the principle of α-ureido alkylation, and the hydroxy group (-OH) of cellulose is bonded to the nitrogen atom of the NH compound through the carbonyl carbon atom of the almethoxide or ketone. The reaction scheme is as follows.

Glyoxal resins, which are fibers and fusiform compounds, are crosslinked by the reactor, and by using an appropriate catalyst for improving the reactivity with the crosslinking agent and adding an appropriate compound for improving the strength, Minimized physical property degradation while improving. In addition, by improving the reactivity by heat treatment, the crosslinking of the fiber surface of the fiber and fusiform resin is minimized, and the crosslinking inside the fiber is minimized, thereby minimizing the physical property deterioration caused by the existing aerobic pore and washing. Significantly improved durability to.

Suitable fusiform compounds are glyoxal resins, which are fibrin-responsive resins, and include glyoxal monourene, dimethrol glyoxane monourene, acetylene diurene, and tetramethyrrole glyoxaldiurene-based compounds. Is as shown below.

Wherein X is a halogen element, a hydroxyl group, or a hydrogen group, R₁: ketone, amide or ester compound, R2: allyl alcohol or benzyl alcohol group having 1-20 carbon atoms, R3: hydrogen, alkyl group having 1-20 carbon atoms, aryl Groups or alkyl aryl groups.

The amount of adhesion of the fusiform compound is 1-15% by weight with respect to the fiber to be treated, less than 1% of the fusitivity is poor, and more than 15% of the poor reactivity, the unreacted fusiform compound remains on the fiber surface It causes problems such as hardening and odor.

As a crosslinking agent which crosslinks a fusiform compound and a cellulose fiber, N-metholol type compounds are suitable, and ethylene urea, propylene urea, dimetholurea, dimethoxymethurea, methoxymethylmelamine, dimethol alkaldiol diurea, dimetholol Ethylene urea, dimethrol dihydroxy ethylene urea, dimethrol propylene urea, dimethrol-5-hydroxypropylene urea, dimethrol-4-methoxy-5,5-methic propylene urea, dimethrol hexa hydrotrizinone, Compounds such as dimethoxymethyluron, metrammethrolacetylene diurea, dimethol gacamate, and methol acrylamide.

The amount of crosslinking agent used is preferably 5-50% by weight of the fusiform compound, and when less than 5% is used, the fiber and the fusiform compound cannot be sufficiently crosslinked, and when more than 50% is used, unreacted crosslinking agent remains on the fiber surface. Therefore, it causes touch hardening.

Examples of the reaction catalyst include ammonium salt compounds such as ammonium monophosphate, ammonium phosphate, ammonium sulfate, ammonium chloride, ammonium hydroxide and ammonium nitrate, metal salt compounds such as zinc chloride, zinc nitrate, magnesium chloride and aluminum chloride, acetic acid and sulfuric acid. Acid compounds such as trichloroacetic acid, diethanol amine hydrochloric acid, and hydroxy tricarboxylic acid, methylamine, ethylenediamine, epoxyamine, 2-methyl-2-aminopropanol, 2-aminobutanol phosphate, turethanolamine hydro Amine-based compounds such as chromide and NN-dimethylmethyldiamine are used. Hydroxyl tricarboxylic acid is one of the catalysts which promotes the reaction between the resin and the fiber and improves the degree of fugitive yet the least strength decrease.

The proper use concentration of hydroxy tricarboxylic acid is 1-20% by weight of the total amount of resin and crosslinking agent that impart spindle property, and below 1%, the effect as a reaction catalyst cannot be sufficiently exhibited. The degradation of the fusiform resin and the crosslinking agent in the lowering of the reactivity or damage to the fiber, so the strength is severe.

As a preparation for compensating for the deterioration of the physical properties of fibers, silicone-based compounds, polyacrylate-based compounds, polyamide-based compounds, silicate ester-based compounds, polyethylene-based compounds, imidazoline-based compounds and quaternary ammonium-based compounds are used. System compounds are the best.

The proper use concentration of the polyethylene-based compound is 5-30% by weight of the amount of resin used to impart fusiformity, and when it is used at 5% or less, it cannot sufficiently supplement the properties. It is not suitable because it inhibits spindleability.

The steaming condition is suitable for 10 seconds to 5 minutes at 80-150 ° C., and the cross-linking reaction is insufficient for 10 seconds or less at the temperature of 80 ° C. or lower, and the reaction condition is excessive for 5 minutes or more at the temperature of 150 ° C. or higher. It is not suitable because it decomposes the resin reacted with the fiber.

Machining is possible in PADDER and TENTER, which are common processing machines with a steamer attached.

The present invention will be described in detail with reference to the following Examples.

As shown in the examples, the spindleability is KSK 0550 (the angular method), the tensile strength is KSK 0520 (the label strip method (RAVELLED STRIP method), the tearing strength is KSK 0535 (PENDULUM method), and the washing method is KSK. We follow 0430 (use of household washing machine).

Example 1

100 g of glyoxal compound as a fusiform compound, 20 g of N-metholol cross-linking agent for crosslinking fusiform compound and fiber, 10 g of polyethylene compound as a supplement to compensate for the deterioration of physical properties of fiber, reaction catalyst As the water, 5 g of hydroxy tricarboxylic acid was added, thereby preparing 1 _L of an emulsion dispersion.

Dyeing cotton fabric (weight: 200G / yd, number: 2/60'S × 1/3'S, density: 150 × 81, texture: immersed in TWILL to 70% After steaming at 100 ℃ × 1 minute in steamer (STEAMER), the reaction was completed by dry heat treatment at 160 ℃ × 3 minutes. The results of evaluating fusiformity and physical properties are shown in Table 1.

Comparative Example 1

30 g of glyoxal compound, a fusiform compound, 10 g of N-metholol crosslinking agent, 10 g of polyethylene preparation to compensate for the deterioration of fiber properties, and 5 g of hydroxy carboxylic acid as a reaction catalyst Was processed in the same manner as in Example 1, except that the emulsion dispersion _1L was prepared.

Comparative Example 2

100 g of glyoxal compound, which is a fusiform compound, and 5 g of hydroxycarboxylic acid, which is a reaction catalyst, were not used at all, and other processing processes were the same as those of Example 1, and the results of evaluating fusiformity and physical properties were as follows. Table 1 is as follows.

Comparative Example 3

The same process as in Example 1 was carried out except that dry heat treatment was performed at 100 ° C. for 3 minutes without heat treatment, and the results of evaluating fusiformity and physical properties are shown in Table 1.

Comparative Example 4

The reaction catalyst was processed in the same manner as in Example 1 except that ammonium sulfate, an ammonium salt compound, was used instead of hydroxy tricarboxylic acid.

Comparative Example 5

Except not using a polyethylene-based preparation to compensate for the degradation of the properties of the fiber was processed in the same manner as in Example 1, and the results of evaluating the spindle property and physical properties are shown in Table 1.

Comparative Example 6

The same process as in Example 1 was carried out except that the N-metholrogene crosslinking agent for crosslinking the fusiform compound and the fiber was evaluated.

TABLE 1

Results of evaluation of fusiformity and physical properties

* Evaluation legend for touch, discoloration and formalin odor

◎: Excellent ○: Good

△: normal ×: bad

Claims (4)

To the spindle compound represented by the following formula (I), 1-20% O.W.S. After immersing the cellulose-based hemp fabric in a treatment solution prepared by adding a crosslinking agent, a catalyst, and a supplementary agent for physical properties, and performing a heat-treatment in a steamer to primary crosslinking of the fiber and the resin, 3 minutes at 160 ° C Durable method for adding a cotton fabric, characterized in that the cross-linking is completed by the dry heat treatment.

Wherein X is a halogen element, a hydroxyl group or a hydrogen group, R _{1 is a} ketone, an amide or ester compound, R ₂ is an allyl alcohol group or a benzyl alcohol group having 1 to 20 carbon atoms, R _{3 is} hydrogen, an alkyl group having 1 to 20 carbon atoms, Aryl group or alkyl aryl group. The method of claim 1, wherein the reaction catalyst is a hydroxy tricarboxylic acid compound represented by the following formula (II), and the use concentration is 1-20% by weight of the total amount of the fusiform compound and the crosslinking agent.

Wherein p, q, r is an integer of 1-20 The method of claim 1, wherein the preparation for compensating for the deterioration of the physical properties of the fiber is a polyethylene-based compound, and the use concentration is 5-30% by weight of the fusiform compound. The method according to any one of claims 1 to 3, wherein the heat treatment conditions for promoting the crosslinking reaction between the fibers and the resin are 10 seconds-5 minutes at 80 ° C-150 ° C.