Crosslinking agent composition, anti-fibrillation solution spun cellulose fiber and method for their preparation

A technology of cellulose fiber and cross-linking agent, applied in the field of fiber processing, can solve the problem of easy fibrillation of solution-spun cellulose fibers, and achieve the effect of improving the fibrillation performance of fiber antigens

Active Publication Date: 2016-03-30
CHINESE TEXTILE ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention aims to provide a crosslinking agent composition, an anti-fibrillation solution-spun cellulose fiber and a preparation method thereof, so as to solve the problem that the solution-spun cellulose fiber is easy to fibrillate

Method used

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  • Crosslinking agent composition, anti-fibrillation solution spun cellulose fiber and method for their preparation
  • Crosslinking agent composition, anti-fibrillation solution spun cellulose fiber and method for their preparation
  • Crosslinking agent composition, anti-fibrillation solution spun cellulose fiber and method for their preparation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Dissolve PMA, CA and SHP with a molecular weight of 600 in distilled water at a weight ratio of 2:5:3 at room temperature to obtain a cross-linking agent solution. The content of PMA in the cross-linking agent solution is 40g / L and the content of CA is 100g / L, SHP content is 60g / L. The cellulose fiber is immersed in the above-mentioned crosslinking agent solution for 10 minutes to obtain a mixed fiber. The mixed fiber is preheated, and the preheating temperature is controlled to 70, 80, and 90 ℃ respectively, and then the mixed fiber is heated at 170 ℃ for 8 minutes. Wash and dry. The wet friction value and mechanical properties of the obtained fiber are listed in Table 1.

[0057] Table 1

[0058]

[0059] It can be seen from the content in Table 1 that the post-crosslinking treatment of cellulose fibers using the crosslinking agent composition provided by the present invention can effectively improve the antigenic fibrillation properties of the fibers. Especially in th...

Embodiment 2

[0061] Dissolve PMA, CA and SHP with a molecular weight of 600 in distilled water at a weight ratio of 2:5:3 at room temperature to obtain a cross-linking agent solution. The content of PMA in the cross-linking agent solution is 40g / L and the content of CA is 100g / L, SHP content is 60g / L. The cellulose fiber is immersed in the above crosslinking agent solution for 10 minutes, and then the fiber is preheated at 80°C for 60 minutes, and then the fiber is heated at 160°C, 170°C, 180°C, and 190°C for a certain period of time. Wash and dry. The wet friction values ​​and mechanical properties of the obtained fiber bundles are listed in Table 2.

[0062] Table 2

[0063]

[0064] It can be seen from Table 2 that under other conditions, the increase in heating time and temperature in the post-treatment of cellulose fibers using the crosslinking agent composition provided by the present invention is beneficial to improve the wet friction of the fibers. The increase in temperature has a ...

Embodiment 3

[0068] Dissolve the oligomeric polybasic acid with a molecular weight of 600, CA and SHP in distilled water at room temperature to obtain a crosslinking agent solution. The content of the oligomeric polybasic acid in the crosslinking agent solution is 5-60g / L and the CA content is 100g / L, SHP content is 60g / L. The cellulose fiber is immersed in the above-mentioned crosslinking agent solution for 10 minutes to obtain a mixed fiber, and then the mixed fiber is preheated at 80°C for 60 minutes, and then the fiber is heated at 170°C for 8 minutes, washed, and dried. The obtained fiber wet friction value, mechanical properties and fixed amount of chemical agent on the fiber are listed in Table 3.

[0069] table 3

[0070]

[0071] It can be seen from Table 3 that in the crosslinking agent composition of the present invention, the content of PMA has a significant effect on the fibrillation performance of the fiber antigen. The higher the content of PMA, the higher the fiber wet fricti...

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PUM

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Abstract

The invention discloses a cross-linking agent composition, an antigen fibrillating solution spinning cellulose fiber, and preparation methods thereof. The cross-linking agent composition comprises low poly polybasic acid of which the molecular weight is 400-1000, and C2-C6 polyatomic acid; the weight ratio of the low poly polybasic acid to the C2-C6 polyatomic acid is 1:(1-5). The multi-anhydride containing an anhydride bond is easily formed between the low poly polybasic acid and a carboxyl functional group (-COOH) in polybasic acid in a high-temperature heating process of crosslinking reaction. Thus, reaction with hydroxyl of the cellulose is easily carried out, and more crosslinking structures are formed. The crosslinking agent composition has a prominent role in improvement of the antigen fibrillating performance of the fiber.

Description

Technical field [0001] The invention relates to the field of fiber processing, in particular to a cross-linking agent composition, antigen fibrillation solution spinning cellulose fiber and their preparation method. Background technique [0002] The cellulose is dissolved in a suitable solvent to form a cellulose solution, and then the solution is extruded into a spinning coagulation bath. At this time, the cellulose is coagulated and regenerated in it, and the fiber is formed after stretching. The above method is called "solution spinning", and the resulting fiber is a solution spun cellulose fiber. The known representative of solution-spun cellulose fiber is viscose fiber, but huge environmental pollution and energy consumption problems hinder its further expansion of production scale. [0003] In order to solve this problem, both US patent US4246221 and Chinese patent CN94190487.3 propose a method for preparing cellulose fibers using a new type of solvent, that is, dissolving c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/263D06M13/192D06M11/71D06M101/06
Inventor 程春祖孙玉山骆强徐纪刚徐鸣风李晓俊张均党西妹
Owner CHINESE TEXTILE ACAD
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