A kind of quaternized silicone oil and preparation method thereof

A technology of quaternized silicone and amino silicone oil, which is applied in fiber types, textiles and papermaking, fiber treatment, etc., and can solve problems such as the use of emulsifiers

Active Publication Date: 2018-08-07
科凯精细化工(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a kind of quaternized silicone oil and its preparation method for how to avoid the problem of using emulsifier in the emulsification process of quaternized silicone oil

Method used

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  • A kind of quaternized silicone oil and preparation method thereof
  • A kind of quaternized silicone oil and preparation method thereof
  • A kind of quaternized silicone oil and preparation method thereof

Examples

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preparation example Construction

[0025] like figure 1 Shown, the preparation method of the quaternized silicone oil of an embodiment, comprises the steps:

[0026] S1: Add octamethylcyclotetrasiloxane, ammonia type coupling agent, end-capping agent and basic catalyst into a mixed solvent, and obtain an amino silicone oil solution by ring-opening polymerization through solution polymerization.

[0027] Specifically, add octamethylcyclotetrasiloxane, ammonia type coupling agent, basic catalyst and mixed organic solvent into a four-necked flask, and stir the above raw materials evenly at room temperature at a stirring speed of 200-400 rpm . Wherein, the four-necked flask is equipped with a stirrer, a reflux condenser and a thermometer.

[0028] After stirring evenly, heat up to a temperature of 45-75°C. At a stirring speed of 200-400 rpm and a temperature of 45-75°C, octamethylcyclotetrasiloxane and ammonia-type coupling agent are mixed in the basic catalyst Under the influence of reaction for 5-10 hours. Un...

Embodiment 1

[0061] Mix 13.0g octamethylcyclotetrasiloxane, 2.5g N-β-(aminoethyl)-γ-aminopropylmethyldimethoxysilane (KH602), 0.08g catalyst potassium hydroxide and 84g mixed solvent Put it into a four-necked flask equipped with a stirrer, a reflux condenser and a thermometer, stir and mix evenly at a speed of 300 rmp / min, then heat up to 50°C, react for 6 hours, and finally add 0.06g of end capping agent hexamethyldisiloxane , reacted for 1.5 hours to obtain amino silicone oil solution, wherein, the mixed solvent used was a mixture of toluene and isopropanol, and its mass percentage was 20:80;

[0062] Add dimethylaminoethyl methacrylate to the obtained aminosilicone oil solution, stir and mix evenly at a speed of 300 rmp / min, then heat up to 25 ° C and react for 15 hours to obtain a modified aminosilicone oil solution, wherein the primary aminosilicone oil The molar ratio of amine to dimethylaminoethyl methacrylate was 1:1.

[0063] Under stirring at room temperature and at a speed of 3...

Embodiment 2

[0067] 10.0g octamethylcyclotetrasiloxane, 4g N-β-(aminoethyl)-γ-aminopropylmethyldimethoxysilane (KH602), 0.08g catalyst potassium hydroxide and 84g mixed solvent were added In a four-necked flask equipped with a stirrer, a reflux condenser and a thermometer, stir and mix evenly at a speed of 300 rmp / min, then heat up to 50 ° C, react for 6 hours, and finally add 0.06 g of end capping agent hexamethyldisiloxane, The reaction was carried out for 1.5 hours to obtain an amino silicone oil solution, wherein the mixed solvent used was a mixture of toluene and isopropanol, and its mass percentage was 20:80;

[0068] Add dimethylaminoethyl methacrylate to the obtained aminosilicone oil solution, stir and mix evenly at a speed of 300 rmp / min, then heat up to 25 ° C and react for 15 hours to obtain a modified aminosilicone oil solution, wherein the primary aminosilicone oil The molar ratio of amine to dimethylaminoethyl methacrylate was 1:1.

[0069] Under stirring at room temperatur...

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Abstract

The invention relates to quaternized organic silicone oil and a preparation method thereof. The preparation method comprises the following steps: (1) adding octamethylcyclotetrasiloxane, an ammonia type coupling agent and an alkali catalyst into a mixed solvent, using hexamethyldisiloxane as an end-capping agent, and conducting ring opening polymerization through solution polymerization reaction so as to obtain an amino silicon oil solution; (2) adding dimethylaminoethyl methacrylate, and enabling Michael addition reaction so as to obtain the modified amino silicon oil solution; (3) adding alkyl halide, conducting quaternization reaction, and conducting reduced pressure distillation to remove the mixed solvent so as to obtain the quaternized organic silicone oil; (4) conducting water emulsification on the quaternized organic silicone oil. According to the quaternized organic silicone oil and the preparation method thereof, not only can the obtained quaternized organic silicone oil be self-emulsified, but also no emulsifying agent needs to be added when in water emulsification, influence exerted on performance of adhesive force, water resistance, scrubbing resistance and the like can be avoided, and the quaternized organic silicone oil has antibacterial performance and an obvious color-deepening effect on dark-color polyester fabric when being used as a color-deepening finishing agent.

Description

technical field [0001] The invention relates to the technical field of textiles, in particular to a quaternized silicone oil and a preparation method thereof. Background technique [0002] Amino silicone oil is a commonly used additive in the finishing process of textiles because of its excellent adsorption, compatibility and easy emulsification. Since the amino group on the amino silicone oil is positively charged and has strong polarity, it interacts with hydroxyl groups, carboxyl groups and other groups on the surface of the fiber, while the repeated silicone chain segments in the main chain can move freely, thus reducing the friction between fibers. Makes the treated fabric feel smooth. After the fabric is treated with amino silicone oil, it can not only give the fabric a soft, smooth and uniform feel, but also enhance the tear strength and wrinkle resistance of the fabric, and improve the elasticity of the fabric. [0003] In order to prevent the floating phenomenon o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G77/388C08G77/26D06M15/643D06M101/32
CPCC08G77/26C08G77/388D06M15/6436D06M2101/32
Inventor 任一波周文张萍顾永欢
Owner 科凯精细化工(上海)有限公司
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