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Soft, tender and smooth block silicone oil for cotton and preparation method thereof

A technology of block silicone oil and soft cotton, which can be used in fiber treatment, textiles and papermaking, etc. It can solve the problems that can not be solved, and achieve the effect of improving anti-yellowing property, increasing polarity and good hand feeling

Pending Publication Date: 2022-07-01
浙江科峰新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But it can not solve the contradiction between the above-mentioned ammonia value and the oxane segment

Method used

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  • Soft, tender and smooth block silicone oil for cotton and preparation method thereof
  • Soft, tender and smooth block silicone oil for cotton and preparation method thereof
  • Soft, tender and smooth block silicone oil for cotton and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Mix 20g epoxy double cap, 490g organosiloxane ring (DMC) and 35g N,N-dimethylacetamide evenly, add 0.1g (CH 3 ) 4 NOH (added in the form of alkali glue), heated to 100°C, equilibrated for 8h; then heated to about 140°C to decompose the catalyst for 2h, and distilled under reduced pressure to remove the solvent and low boilers to obtain a colorless or pale yellow terminated epoxy silicone oil;

[0042]Mix 7.15g of glycidyl acetate and 40g of ethylene oxide evenly, add 0.0295g of Lewis acid catalyst, and obtain a polyether polyol containing acetate in the side chain by addition polymerization, and a polyether polyol of acetate Alcohols are subjected to aminolysis to obtain acetate-containing polyetheramines in their side chains.

[0043] The epoxy-terminated silicone oil obtained in the previous step, 44.5 g of polyetheramine containing acetate in the side chain (molecular weight of 900) and 370 g of isopropanol were mixed uniformly, and reacted at 75 ° C for 15 h to ob...

Embodiment 2

[0046] Mix 30g epoxy double cap, 915g organosiloxane ring (DMC) and 60g N,N-dimethylacetamide evenly, add 0.2g (CH 3 ) 4 NOH (added in the form of alkali glue), heated to 100°C, equilibrated for 8h; then heated to about 140°C to decompose the catalyst for 2h, and distilled under reduced pressure to remove the solvent and low boilers to obtain a colorless or pale yellow terminated epoxy silicone oil;

[0047] Mix 9.5g of glycidyl acetate and 61g of ethylene oxide evenly, add 0.042g of Lewis acid catalyst, and obtain polyether polyol containing acetate in side chain, polyether polyol of acetate through polyaddition reaction Alcohols are subjected to aminolysis to obtain acetate-containing polyetheramines in their side chains.

[0048] The terminal epoxy silicone oil obtained in the previous step, 67g of polyetheramine containing acetate in the side chain (molecular weight of 900) and 675g of isopropanol were mixed uniformly, and reacted at 75°C for 15h to obtain the block poly...

Embodiment 3

[0051] Mix 20g epoxy double cap, 735g organosiloxane ring (DMC) and 50g N,N-dimethylacetamide evenly, add 0.15g (CH 3 ) 4 NOH (added in the form of alkali glue), heated to 100°C, equilibrated for 8h; then heated to about 140°C to decompose the catalyst for 2h, and distilled under reduced pressure to remove the solvent and low boilers to obtain a colorless or pale yellow terminated epoxy silicone oil;

[0052] Mix 18.3g of glycidyl acetate and 88g of ethylene oxide evenly, add 0.07g of Lewis acid catalyst, and obtain a polyether polyol containing acetate in the side chain through addition polymerization, and a polyether polyol of acetate Alcohols are subjected to aminolysis to obtain acetate-containing polyetheramines in their side chains.

[0053] The epoxy-terminated silicone oil obtained in the previous step, 99.5 g of polyetheramine containing acetate in the side chain (molecular weight of 2000), 700 g of isopropanol and 350 g of ethylene glycol monobutyl ether were mixed...

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Abstract

The invention belongs to the field of textile after-finishing assistants, and relates to a cotton soft, tender and smooth block silicone oil and a preparation method thereof.According to the scheme, epoxy-terminated silicone oil is prepared in the mode of direct chain extension of epoxy double end sockets and organic silicon ring bodies, and compared with the method that hydrogen-terminated silicone oil is synthesized firstly, and then hydrosilylation is conducted to introduce epoxy groups, the cost is low, and the production efficiency is high. The epoxy group retention rate of the product is high; on the premise of preparing the block polyether amino silicone oil, quaternization cation modification is performed on part of amino groups, so that the polarity, reactivity and adsorbability of the product are improved; mO, namely-CH (CH2NH2) CH2O-, is introduced, and the ammonia value can be regulated and controlled by regulating and controlling the amount of epoxypropyl acetate added into the raw materials, so that the hand feeling of the block polyether amino silicon oil is better improved.

Description

technical field [0001] The invention belongs to the field of textile finishing auxiliaries, in particular to a cotton soft and smooth block silicone oil and a preparation method thereof. Background technique [0002] Ordinary amino silicone oil has been gradually replaced by various types of block polyether modified amino silicone oil due to the disadvantages of poor emulsion stability, easy yellowing of the treated fabric, and poor moisture absorption and perspiration. Due to the introduction of hydrophilic polyether segments, the stability of the emulsion is good. In addition, the structure of the polyether segment embedded in the main chain has little effect on the film-forming properties of polysiloxane on fabric fibers, and is easy to exert its soft, smooth and fluffy properties. This is the advantage of block polyether amino silicone oil over ordinary amino silicone oil. [0003] However, the amino functional groups in the block polyether amino silicone oil are only ...

Claims

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Application Information

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IPC IPC(8): D06M15/647C08G77/46
CPCD06M15/647C08G77/46D06M2200/50
Inventor 丁适跃高同洛熊春贤张建设王柱沈俊杰李剑浩余建华崔松松
Owner 浙江科峰新材料有限公司
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