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A kind of organosilicon fabric finishing agent and preparation method thereof

A technology of silicone and silicone emulsion, which is applied in fiber treatment, textiles and papermaking, etc., can solve the problems of poor stability, difficult fabric repair, greasy hand feeling, etc., and achieve good stability and low transverse and longitudinal bending stiffness.

Active Publication Date: 2020-07-14
广东宏昊化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the common amino-modified polysiloxane fabric finishing agent needs to add a large amount of emulsifier, and can only be used after a special emulsification process. At the same time, the stability of the emulsion is poor, and it is sensitive to high temperature, high electrolyte, high pH value and high shear force. It is easy to cause bad phenomena such as cylinder sticking, sticking roller, oil spots, and the treated fabric is difficult to repair, especially in hard water with a hardness exceeding 150ppm, its stability becomes very poor, and it is easy to cause coagulation and precipitation.
In addition, its adhesion to fabrics is also low, the finishing effect is not durable, and there are also shortcomings such as too greasy feel.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • A kind of organosilicon fabric finishing agent and preparation method thereof
  • A kind of organosilicon fabric finishing agent and preparation method thereof
  • A kind of organosilicon fabric finishing agent and preparation method thereof

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Effect test

preparation example Construction

[0038] A second aspect of the present invention provides a method for preparing the above-mentioned highly stable silicone emulsion, comprising the following steps:

[0039] (1) In a four-neck flask equipped with a stirrer and a reflux condenser, add the raw material organosilicon monomer, 2 / 3 emulsifier and 2 / 3 water for the core layer preparation, stir and mix, and adjust the pH value of the system to 3.5 with hydrochloric acid ~4.0, and raise the temperature to 70~80℃, and react at constant temperature for 3~5 hours to obtain the seed emulsion;

[0040] (2) Mix the required ratio of acrylamide, vinyltrimethoxysilane and functional monomer in a separatory funnel to obtain component A, mix the initiator, 1 / 3 emulsifier and water and place in another separator Obtain component B in the liquid funnel; add sodium bicarbonate aqueous solution dropwise in the above seed emulsion under stirring, adjust the pH value of the system to neutral, then increase the temperature of the syst...

Embodiment 1

[0047] Embodiment 1 provides a kind of high stability silicone emulsion, is made up of following components:

[0048]

[0049] The raw material for preparing the core layer is composed of octamethylcyclotetrasiloxane and 1-vinyl-1,1,3,3,3-pentamethyl-disiloxane in a weight ratio of 1:2; The raw material for preparing the shell layer is composed of acrylamide, vinyltrimethoxysilane and functional monomer, the functional monomer is vinyltributylketoximosilane, and the weight ratio of the three is 3:0.8:0.2; the core layer The weight ratio between the preparation raw materials and the shell preparation raw materials is 1:1.5; the emulsifier is composed of polyvinylpyrrolidone, castor oil polyoxyethylene ether and sodium dodecylsulfonate, and the weight ratio is 1:1 : 2; the initiator is potassium persulfate; the penetrating agent is the M-7006 of Hangzhou Meigao Huayi Chemical Co., Ltd.

[0050] Its preparation method comprises the following steps:

[0051] (1) In a four-nec...

Embodiment 2

[0054] Embodiment 2 provides a kind of high stability silicone emulsion, is made up of following components:

[0055] Silicone core-shell particles 50;

[0056] Emulsifier 30;

[0057] Penetrant 7.

[0058] The raw material for preparing the core layer is composed of octamethylcyclotetrasiloxane and 1-vinyl-1,1,3,3,3-pentamethyl-disiloxane in a weight ratio of 1:2; The raw material for preparing the shell layer is composed of acrylamide, vinyltrimethoxysilane and functional monomer, the functional monomer is vinyltributylketoximosilane, and the weight ratio of the three is 3:0.8:0.2; the core layer The weight ratio between the preparation raw materials and the shell preparation raw materials is 1:2.2; the emulsifier is composed of polyvinylpyrrolidone, castor oil polyoxyethylene ether and sodium dodecylsulfonate, and the weight ratio is 1:1 : 2; the initiator is potassium persulfate; the penetrating agent is the M-7006 of Hangzhou Meigao Huayi Chemical Co., Ltd.

[0059] I...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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PUM

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Abstract

The invention relates to the technical field of textile finishing, and concretely relates to a silicone fabric finishing agent and a preparation method thereof. Preparation raw materials for the silicone emulsion comprise silicone core-shell particles and an emulsifier; raw materials of the shell layer in the silicone core-shell particles comprise acrylamide, vinyltrimethoxysilane and a functionalmonomer; and the functional monomer contains a ketoximo group.

Description

technical field [0001] The invention relates to the technical field of textile finishing, in particular to a silicone fabric finishing agent and a preparation method thereof. Background technique [0002] While textiles bring great convenience to people's lives, most of them are soft and easy to absorb dust, so it is very difficult to clean up textiles after use. People have to tidy up after using textiles, and most textiles have a large surface area and soft materials. The key point is that due to their special surface structure, they have a great adsorption force for objects such as dust, so that after using textiles, most of them It has become very dirty, which is not conducive to taking it out for use next time, and is not conducive to the implementation of the concept of green environmental protection. Silicone fabric finishing agent refers to a textile auxiliary that can be adsorbed on the fiber surface of textiles, and its surface is not easy for dust to adhere to, e...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/56C08F230/08C08F2/30C08F2/26D06M15/285D06M15/356
Inventor 程文静汤金伟刘锦凡冯俏君麦嘉仪方伟洪
Owner 广东宏昊化工有限公司