Tin antimony oxide dispersion liquid for improving fiber conduction performance, preparation method of tin antimony oxide dispersion liquid and preparation method of conductive regeneration cellulose fiber

A technology of regenerated cellulose and conductive properties, applied in the direction of artificial filaments made of viscose, to achieve the effect of low addition, tight combination, and little influence on the physical and mechanical properties of fibers

Active Publication Date: 2018-03-20
赛得利(盐城)纤维有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the application of nano-ATO in cellulose fibers has not yet been reported.

Method used

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  • Tin antimony oxide dispersion liquid for improving fiber conduction performance, preparation method of tin antimony oxide dispersion liquid and preparation method of conductive regeneration cellulose fiber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The tin antimony oxide dispersion liquid used for modifying the electrical conductivity of fibers, the dispersion liquid is composed of: 40wt% polycarboxylate ammonium salt solution, soft water, ATO powder and hexametaphosphoric acid with a weight ratio of 6.5: 3.5: 1.5: 0.3 The dispersion liquid obtained after sodium mixing has a pH value of 10. The particle size of the ATO powder is 20nm; the specific resistance of the ATO powder is 25Ω·cm. The purity of the ATO powder is 99.99%, and the antimony oxide is 10%.

Embodiment 2

[0044] The tin antimony oxide dispersion liquid used to modify the electrical conductivity of fibers, the dispersion liquid is composed of ammonium polycarboxylate salt solution, soft water, ATO powder and sodium hexametaphosphate with a weight ratio of 5:3:0.8:0.15 The obtained dispersion liquid had a pH value of 11.

Embodiment 3

[0046] Mix the polycarboxylate ammonium salt solution, soft water, ATO powder and sodium hexametaphosphate with a weight ratio of 7:5:2:0.4, adjust the pH value to 10, and ultrasonically treat for 20 minutes to obtain the conductive properties of the modified fiber. tin antimony oxide dispersion. The particle size of the ATO powder is 10-15nm; the specific resistance of the ATO powder is 20Ω·cm. The purity of the ATO powder is 99.98%, and the antimony oxide content is 15%.

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Abstract

The invention discloses tin antimony oxide dispersion liquid for improving the fiber conduction performance, a preparation method of the tin antimony oxide dispersion liquid and a preparation method of conductive regeneration cellulose fiber. The dispersion liquid is prepared by mixing ammonium polycarboxylate solution, soft water, ATO powder and sodium hexametaphosphate according to the weight ratio of (4 to 8):(2 to 6):(0.5 to 3):(0.1 to 0.5); the pH value of the dispersion liquid is 8 to 12. The dispersion liquid is added into prepared spinning viscose according to the addition quantity that the ATO powder in the dispersion liquid accounts for 3 to 10 weight percent of the methylcellulose in the spinning viscose; after the uniform mixing, the blending viscose raw liquid is obtained. Theblending viscose raw liquid is subjected to coagulating bath spinning shaping; then, refining and drying are performed to obtain the conduction regenerated cellulose fiber. The tin antimony oxide dispersion liquid is used for modified preparation of the conductive fiber; the addition quantity of the conductive powder is low; the conductive body and the cellulose are tightly combined; falling cannot easily occur in the subsequent use and processing process.

Description

technical field [0001] The invention relates to the technical field of modified cellulose fibers, in particular to a regenerated cellulose fiber with conductive modification properties. Background technique [0002] Antimony tin oxide (also known as nano antimony-doped tin dioxide, antimony tin oxide), English name ATO, is a new type of light-colored transparent conductive powder. It is using Sb +3 or Sb +5 (Antimony) doping instead of Sn +4 (Tin) Oxygen vacancies or electrons formed when forming a defect solid solution are used as carriers to conduct electricity, and its conductivity is not affected by environmental dryness and humidity, avoiding the shortcomings of organic antistatic agents that are dependent on the environment. Nano antimony tin oxide (ATO) has been widely used in the fields of gas sensor and antistatic due to its high sensitivity, light and transparent color, high temperature and corrosion resistance, good chemical stability, and non-toxicity. Develo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F2/08
CPCD01F2/08
Inventor 刘海洋叶荣明瞿俊荣周州王法吕正稳
Owner 赛得利(盐城)纤维有限公司
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