CN1203230C

CN1203230C - Process for removing acetylchitin size from fabric and its fabric

Info

Publication number: CN1203230C
Application number: CN 02135229
Authority: CN
Inventors: 江志昕; 王开宇; 赵霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-21
Filing date: 2002-06-21
Publication date: 2005-05-25
Anticipated expiration: 2022-06-21
Also published as: CN1391002A

Abstract

The present invention provides a method for fixing low-molecular deacetylchitin colloid on fabrics and a fabric thereof. The method comprises the following steps: firstly, putting 0.5% to 16% deacetylchitin (C6H11O4N)n into 0.5% to 2% CH3COOH to form a colloidal solution of polyose acetate, then putting the fabric into the colloidal solution of polyose acetate, taking out the fabric after uniformly stirring and soakage, soaking the fabric into the solution containing 0.5% to 10% of Na2CO3 or 4% to 16% of Na2CO3.10H2O, carrying out neutralizing and decomposing reaction to form aminopolyose particles to be solidified, polymerized and fixed on the fabric, washing the fabric with water for several times to remove CH3COONa, removing the water, and carrying out baking, finishing and forming. The whole fabric can be permanently fixed with the product of the low-molecular deacetylchitin (C6H11O4N)n at both of the internal part and the external part. People can wear the fabric on bodies without sticking and dissolution, and the fabric has the advantages of high softness and comfortability and cost reduction.

Description

The method of removing acetylchitin size from fabric and fabric thereof

Affiliated technical field

The present invention relates to fabric post-treatment technology and product, is a kind of method and fabric thereof of removing acetylchitin size from fabric specifically.

Background technology

In recent years, existing both at home and abroad chitan machine blows silk fiber and cotton fiber to be mixed and knitted technology, and its weak point is: the first, and the cost height needs very big investment buying machine blow an equipment, the paying of complex process, human and material resources; The second, on one's body people are through the clothes of its making, chitin fiber is dissolved on the skin of directly being stained with the people because of perspiring, make human body uncomfortable, be difficult to accept.And employing fabric post-treatment technology, can form the chitan layer at fabric face, but there are not ripe medicine and technique for fixing now, fabric after the processing is harder, because of the chitan technique for fixing can't resolve, meets when water ph value reaches between the 5-6.5 and easily dissolves, washing tens times just washes off substantially, like this, the various functions of chitan self do not reach instructions for use with regard to total loss.

Summary of the invention

In order to overcome the shortcoming that chitan the product fixing various functions that incessantly make chitan (antibiotic, sterilization, height are preserved moisture, anti-various light radiation etc.) total loss and textiles on textiles lose softness.The present invention proposes with low molecular weight chitan (C ₆H ₁₁O ₄N) the n colloid is fixed on method, fixed drug and the fabric thereof on the textiles, can make low molecule chitan (C ₆H ₁₁O ₄N) n colloid product is permanently affixed on the textiles, and the softness of textiles is good.Can not decorporate through washing more than hundred times yet, so, low molecule chitan (C ₆H ₁₁O ₄N) repertoire that has of n self can not disappear; And, can save complicated technology and equipment, and reduce cost, guarantee on all fixing inside and outside the textiles, to hang down molecule chitan (C ₆H ₁₁O ₄N) n product and fully form stability is through on one's body it not to be stained with, insoluble, and soft comfortable.

To achieve these goals, the technical scheme that the present invention takes is: a kind of method of removing acetylchitin size from fabric, and earlier with 0.5%-16% low molecular weight chitan (C ₆H ₁₁O ₄N) n puts into 0.5%-2%CH ₃Among the COOH, form acetate polysaccharide colloid shape solution, put into textiles then and stir, soak into the back taking-up, textiles is put into contained 0.5%-10%Na again ₂CO ₃Or 4%-16%Na ₂CO ₃10HO ₂Soak in the solution, the secondary decomposition reaction that neutralizes forms that the aminated polysaccharide particle solidifies, polymerization and being fixed on the textiles, washes for several times flush away CH again with water ₃COONa can get rid of the branch that anhydrates, drying, arrangement postforming.

Select 1%-6% low molecular weight chitan (C in the said method ₆H ₁₁O ₄N) n puts into 1%CH ₃Among the COOH; Textiles put into contain 1%Na ₂CO ₃Or 6%Na ₂CO ₃10HO ₂And temperature is soaked in 10-36 ℃ solution; Flush away CH ₃Textiles behind the COONa reaches at 7 o'clock and gets rid of in the pH value and anhydrates minute better.

Described low molecule chitan (C ₆H ₁₁O ₄N) viscosity of n colloid is 3-30.CPS.

A kind of fabric of processing as stated above is characterized in that described fabric external and internal fixation has aminated polysaccharide.

The present invention compared with prior art has many advantages and positive effect:

1, steadiness: the present invention adopts low molecule chitan (C ₆H ₁₁O ₄N) n colloid new product porous is inside and outside fabric, because of (C ₆H ₁₁O ₄N) n easily dissolves at CH ₃Melt into acetate (C in the COOH solution ₆H ₁₁O ₄N) n particle solution is easy to be absorbed by various textiless, adds 1%Na then ₂CO ₃Or 6%Na ₂CO ₃10H ₂During the O medicine and (C ₆H ₁₁O ₄N) the n particle begins to neutralize secondary decomposition reaction and forms and solidify principle, forms solid on various textiless, makes textiles and (C ₆H ₁₁O ₄N) the n colloid forms one closely, and is permanently affixed on the textiles, and makes the fixing (C of going up of textiles ₆H ₁₁O ₄N) can hardening and soft high resilience behind the n colloid.After washing 200-300 time, use CH ₃COOH solution detects, contained (C on the textiles ₆H ₁₁O ₄N) n gram number weight is constant substantially.And, be through on one's body be not stained with, insoluble.

The glycosaminoglycan molecular formula is: (C ₅H ₁₁O ₄N) n

The glycosaminoglycan structural formula is:

Acetate polysaccharide and Na ₂CO ₃Secondary decomposition reaction neutralizes:

The reaction structure formula is:

2, antibiotic: as to prove after deliberation with low molecular weight chitan (C ₆H ₁₁O ₄N) the n colloid has antibacterium, fungoid, and result of study is as (C ₆H ₁₁O ₄When N) the n colloid concentration is 6mg/ml, most of G that belongs to _(-)Bacterium has the experiment strain of 50%-70% to be suppressed approximately; When concentration was 10mg/ml, bacteriostasis rate reached 60%-100%; To G ₍₊₎The sensitiveness of bacterium and Candida albicans is higher than G _(-)Bacterium; When concentration is 5mg/ml, to G ₍₊₎The bacterium bacteriostasis rate reaches 75%-100%; When concentration was 6mg/ml, common clinically pathogenic bacteria, golden Portugal bacterium can all be suppressed and be killed.In a word, by being measured, the antibacterial activity of the clinical bacterial isolate bacterium of 75 strains shows: (C ₆H ₁₁O ₄N) the n colloid has vitro antibacterial activity, and antimicrobial spectrum is wider, to G _{(+) (-)}Bacterium and Candida albicans have strong pressing down to kill effect, and antibacterial and bactericidal effect is more approaching.

3, antistatic: with acetate, (C ₆H ₁₁O ₄N) n colloidal solution is coated on the glass plate, obtains (C after the drying ₆H ₁₁O ₄N) hyaline membrane of n colloid, this film have bigger gas permeability poisture-penetrability, and certain anti-static electrification is arranged.

4, ultraviolet radiation preventing: (C ₆H ₁₁O ₄N) n ultra-violet absorption spectrum, instrument: PE-Lambda2uV spectrometer.Ultraviolet absorption peak is 289.7 as a result.

5, anti-X She Line: X diffracting spectrum, instrument: the D/max-YC type changes target X ray diffraction instrument (Japan produces)

Test condition: pipe is pressed 40KV, pipe stream 50mA, DS=SS=1 °, RS=0.15mm, 0.22 ° of Scaspeed5 °/min Scampling

6, height is preserved moisture: (C ₆H ₁₁O ₄N) hygroscopicity of n.Because of containing base groups such as amino, hydroxyl, (C in the molecule ₆H ₁₁O ₄N) hygroscopicity of n is very strong.

7, the inventive method is simple, and it is convenient to implement, and can reduce cost, and save complicated technology and equipment, and is easy to utilize.

The specific embodiment

The technological process of embodiment the: with (C of 1%-3% ₆H ₁₁O ₄N) CH of n solution+1% ₃COOH+98 part water forms acetate polysaccharide colloid shape solution.(C ₆H ₁₁O ₄N) viscosity of n colloid is 3-30.CPS.Put into fabric or ready-made clothes (in right amount) and fully stir, soak into even back and take out, the centrifuge unnecessary acetate polysaccharide solution of leaving away is put into temperature 10-36 ℃ to fabric or ready-made clothes again and is contained 1%Na ₂CO ₃Or 6%Na ₂CO ₃10H ₂Soaked in the O soup 1-2 minute, the secondary decomposition reaction that neutralizes, form that the aminated polysaccharide particle solidifies, polymerization and be fixed on fabric or ready-made clothes on, more for several times with fabric or ready-made clothes washing, flush away CH ₃COONa, the pH value reaches 7, can get rid of the branch that anhydrates, and through oven dry, arrangement, shaping, is finished product at last then.

Fabric or ready-made clothes external and internal fixation through above method arrangement processing have aminated polysaccharide.

Claims

1, the method for the fixing low molecule chitan colloid of a kind of fabric is earlier with the low molecule chitan (C of 3%-16% ₆H ₁₁O ₄N) n puts into 0.5%-2%CH ₃Among the COOH, form acetate polysaccharide colloid shape solution, the viscosity of colloid is 3-30.CPS; Put into textiles then and stir, soak into the back taking-up, again textiles is put into temperature and contain 0.5%-10%Na at 10-36 ℃ ₂CO ₃Soak in the solution, the secondary decomposition reaction that neutralizes forms that the glycosaminoglycan particle solidifies, polymerization and being fixed on the textiles, washes for several times flush away CH again with water ₃Textiles behind the COONa reaches at 7 o'clock and can get rid of in the pH value and anhydrates minute drying, arrangement postforming.

2, the fabric of processing in accordance with the method for claim 1 is characterized in that described fabric external and internal fixation has glycosaminoglycan.