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A kind of modified silicone rubber, silicone rubber textile and application thereof

A technology for modifying silicon and silicone rubber, which is applied in textiles and papermaking, biological water/sewage treatment, chemical instruments and methods, etc. It can solve the problems of grafting efficiency restricting the practical application of anthraquinone compounds, and achieve good recycling and recycling , good stability, flexible and convenient application

Active Publication Date: 2022-02-22
CHANGLE LITIAN KNITTING TEXTILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, grafting efficiency and recycling still restrict the practical application of anthraquinone compounds

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～3

[0024] Embodiments 1 to 3 are for the preparation of anthraquinone modified fluorosilicon polymers, wherein

[0025] The structure of amino and vinyl polysiloxane A is SiMe 3 O(SiOMeR f ) 15.5 (SiOMe 2 ) 12.7 (SiOMeR N ) 5.1 (SiOMeVi) 6.2 SiMe 3 , R f , Me, Vi as mentioned above, R N is 3-aminopropyl;

[0026] Amino- and vinyl-containing polysiloxane B has the structure HOSiMe 2 O(SiOMeR f ) 8.3 (SiOMe 2 ) 10.5 (SiOMeR N ) 7.9 (SiOMeVi) 4.1 SiMe 2 OH,R f , Me, Vi as mentioned above, R N Is N-2-aminoethyl-3-aminopropyl;

[0027] The structure of amino and vinyl polysiloxane C is ViSiMe 2 O(SiOMeR f ) 17.2 (SiOMe 2 ) 25.9 (SiOMeR N ) 10.1 (SiOMeVi) 8.3 SiMe 2 Vi, R f , Me, Vi as mentioned above, R N is 3-diethylenetriaminopropyl;

Embodiment 1

[0029] 9,10-anthraquinone-2-sulfonyl chloride, triethylamine and amino group-containing and vinyl polyfluorosiloxane A are prepared in a molar ratio of 1:1.1:0.3. In an environment of 0-5°C, add polyfluorosiloxane A and triethylamine containing amino groups and vinyl groups to tetrahydrofuran that is 12 times the weight of polyfluorosiloxane A, stir to dissolve, and add 9,10-anthraquinone dropwise -Tetrahydrofuran solution with a concentration of 2-sulfonyl chloride of 200 mg / ml, after the dropwise addition, continue to stir and react for 6 hours, place it in an environment of 30°C and continue to stir and react for 7 hours, filter, remove tetrahydrofuran and unreacted triethylamine from the filtrate, and obtain anthracene The quinone modified fluorosilicon polymer is denoted as F-1.

Embodiment 2

[0031] 9,10-anthraquinone-2-sulfonyl chloride, sodium carbonate and polyfluorosiloxane B containing amino groups and vinyl groups are prepared in a molar ratio of 1:1.1:0.15. Add polyfluorosiloxane B and sodium carbonate containing amino group and vinyl group to butyl acetate 10 times the weight of polyfluorosiloxane B in an environment of 0-5°C, stir to dissolve and disperse, add 9,10- Anthraquinone-2-sulfonyl chloride concentration of butyl acetate solution of 200 mg / ml, continue to stir for 4 hours after the dropwise addition, place in an environment of 30°C and continue to stir for 10 hours, filter, and remove butyl acetate from the filtrate to obtain anthraquinone Modified fluorosilicone polymer, denoted as F-2.

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PUM

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Abstract

The invention belongs to the technical field of waste water treatment, and specifically relates to a modified silicone rubber, silicone rubber textiles and applications thereof. The modified silicone rubber of the invention is composed of silicone rubber base rubber, anthraquinone modified fluorosilicone polymer and vinyl silicone oil. The weight ratio is 100:0.05~2:0.5~5, wherein the anthraquinone modified fluorosilicon polymer is obtained by reacting 9,10-anthraquinone-2-sulfonyl chloride with amino group and vinyl polysiloxane. When the silicone rubber textile of the invention is used in wastewater containing azo dyes and nitrates, it can obviously promote the improvement of the biodegradation rate of the azo dyes and nitrates, and is convenient to recycle and use, and has great application value.

Description

technical field [0001] The invention belongs to the technical field of wastewater treatment, and relates to modified silicone rubber, silicone rubber textiles and applications thereof. Background technique [0002] Grafting and immobilizing anthraquinone compounds on carriers such as polymer membranes (publication number CN103936146B), fillers (publication number CN110204056A) can effectively promote the microbial degradation rate of azo dyes, nitrates, etc., and can avoid "secondary damage to water bodies". pollution” has been reported extensively. However, grafting efficiency and recovery and recycling still restrict the practical application of anthraquinone compounds. Contents of the invention [0003] An object of the present invention is to overcome the defects of the prior art and provide a modified silicone rubber. [0004] Another object of the present invention is to provide a silicone rubber textile. [0005] Another object of the present invention is to prov...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L83/08C08L83/07C08K7/26C08K3/38C08K3/22C08K3/04D01F6/94D01F1/10C08G77/392C08G77/385C02F3/28C02F101/16C02F101/30C02F101/38
CPCC08L83/08D01F6/94D01F1/10C08G77/392C08G77/385C02F3/2806C08L2205/02C08L2205/03C08K2003/387C08K2003/2227C02F2101/163C02F2101/308C02F2101/38
Inventor 林碧花
Owner CHANGLE LITIAN KNITTING TEXTILE CO LTD