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Hydrophilic amino-polysiloxane softener and preparation method thereof

A technology of polyorganosiloxane and organosilane, which is applied in the field of hydrophilic amino polyorganosiloxane softener and its preparation, can solve the problems of reducing softness and the like, and achieves good smoothness, comfortable wearing, and hydrophilicity. strong effect

Active Publication Date: 2012-09-05
WACKER DYMATIC SILICONES SHUNDE CO LTD FOSHAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method ensures the hydrophilicity of the product, it often reduces the softness.

Method used

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  • Hydrophilic amino-polysiloxane softener and preparation method thereof
  • Hydrophilic amino-polysiloxane softener and preparation method thereof
  • Hydrophilic amino-polysiloxane softener and preparation method thereof

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Effect test

Embodiment 1

[0029] Embodiment one: in equipped with agitator, reflux condenser, thermometer and N 2 Blow into the tube of the four-necked flask. Such as figure 1 As indicated, add 100g of octamethylcyclotetrasiloxane (D4), 5g of 3-(2-aminoethyl)-aminopropylmethyldimethoxysilane, 60g of CH 3 (OCH 2 CH 2 ) 5 OCH 2 CH 2 CH 2 Si(CH 3 )(OCH 3 ) 2Composed of polyether coupling agent, 3g hexamethyldisiloxane, 0.01g tetramethylammonium hydroxide, heated to 100°C, reacted for 8 hours, then raised the temperature to 150°C, decomposed the catalyst, and then vacuum removed the low Molecular compound for 1 hour, a light yellow transparent liquid with a viscosity of 1250mPa.s was obtained.

Embodiment 2

[0030] Embodiment 2: This embodiment is basically the same as Embodiment 1, the difference being that the amount of 3-(2-aminoethyl)-aminopropylmethyldimethoxysilane is 10 g.

Embodiment 3

[0031] Embodiment 3: This embodiment is basically the same as Embodiment 1, the difference is that the amount of polyether coupling agent is 80g.

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Abstract

The invention relates to a hydrophilic amino-polysiloxane softener; 40 to 90 parts of organic silane and 5 to 50 parts of silane coupling agent are added into a four-port reactor which is provided with a stirrer, a thermometer, a reflux condenser and an N2 blowing tube, and are uniformly mixed and stirred into a mixture in the ratio of 16:1 to 0.8:1. Under the protection of N2, the mixture is heated and the temperature is kept to be 70 to 80DEG C, and the inside of the reactor is vacuumized and a low molecular compound is removed. And then 1 to 10 parts of blocking agent and 0.005 to 0.02 part of alkaline catalyst are added into the reactor, and the temperature goes up and kept to be 80 to 140DEG C; and the low molecular substance is continuously stirred, decompressed and distilled, to prepare the light yellow transparent hydrophilic amino-polysiloxane. The textile fabric treated by the invention has good softness and smoothness, and the invention has the advantages of strong hydrophilic performance, short textile fabric treatment time, comfort to wear, simple production process and the like.

Description

technical field [0001] The invention relates to a softener and a preparation method thereof, in particular to a hydrophilic amino polyorganosiloxane softener and a preparation method thereof. Background technique [0002] Silicone finishing agents are widely considered as the best material to increase softness, enhance aesthetics and bring excellent hand feeling, and are often used in the textile industry. Because the amino group can interact with the hydroxyl group and carboxyl group on the surface of the fabric, the siloxane can be directionally attached to the surface of the fabric, which can produce excellent hand feeling and reduce the friction coefficient between fabric fibers, thus achieving good soft finishing Effect. Fabrics treated with amino silicone oil softeners often have excellent hand feeling. [0003] However, amino silicone oil often does not have the property of self-dispersion, and after it is formulated into amino silicone oil emulsion, it is prone to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/647C08G77/46C08G77/26
Inventor 李伟明姜晓明
Owner WACKER DYMATIC SILICONES SHUNDE CO LTD FOSHAN
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