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Addition-type silicone rubber latex and preparation method thereof and application product thereof

A silicone rubber emulsion and addition molding technology, applied in the field of material science, can solve the problems affecting the modification of chemical fiber cotton, poor compatibility of silicone rubber, and inapplicability to modified chemical fiber cotton composite materials, etc. The effect of excellent compression set resistance and water wash resistance

Inactive Publication Date: 2018-02-09
GUANGDONG POLYSIL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This new compound made from silylated organopolysiloxanes can be used for modifying fibers or other materials that are resistant against compressive force without losing their shape when exposed to liquids like rainwater.

Problems solved by technology

Technological Problem addressed in this patented technical problem described in this text relates to improving the compression setting property and durability of chemically reinforced plastic composites containing chemical fibers called synthetic short glass hydrils (SFHSC), while maintaining flexibility and fluid retention capacity during processing without causing damage when removing them from the product surfaces due to residue formation caused by unsaturations present therewith. Existing technologies like applying these types of silanes require separate steps beforehand making up the final mixture, resulting in reduced production efficiency and increased costs.

Method used

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  • Addition-type silicone rubber latex and preparation method thereof and application product thereof
  • Addition-type silicone rubber latex and preparation method thereof and application product thereof
  • Addition-type silicone rubber latex and preparation method thereof and application product thereof

Examples

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preparation example Construction

[0049] The preparation method of addition type silicone rubber emulsion of the present invention comprises the following steps:

[0050] a. Add surfactant and water-soluble silica sol into water, stir and dissolve evenly to obtain mixed solution;

[0051] b. Add addition-type silicone rubber into the mixture, and use high-shear mixing equipment to fully mix and emulsify.

[0052] The high-shear mixing equipment used in step b is a high-speed disperser, an intermittent high-speed homogenizer, a continuous high-speed homogenizer, a colloid mill, and the like. The mixing and emulsifying time should be adjusted according to the amount of emulsification. The standard of emulsification is fine and uniform, without large particles of silicone rubber or floating oil on the liquid surface.

[0053] In the application of the present invention, the chemical fiber cotton composite material is modified with the above-mentioned addition-type liquid silicone rubber emulsion:

[0054] (1) S...

Embodiment 1-6

[0079] The preparation method of embodiment 1-6 is as follows:

[0080] Add the surfactant and water-based silica sol into the water, and use a disc disperser to stir at a low speed for 1 minute to mix evenly. Mix the AB component of the addition-type silicone rubber evenly with a manual seasoning knife, and add it to the above-mentioned water dispersion. Intermittent high-speed homogenizer emulsifies at high speed for 10 minutes.

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Abstract

The present invention discloses addition-type silicone rubber latex, a preparation method and an application product thereof. The rubber latex contains the following components in parts by mass: 100 parts of water, 0.2 to 10.0 parts of a surfactant, 0.2 to 10.0 parts of water-soluble silica sol, and 1.0 to 100 parts of the addition-type silicone rubber. During preparation, the surfactant and the water-soluble silica sol are added in the water for uniform mixing, and then the addition-type silicone rubber is uniformly homogenized. The addition-type silicone rubber latex of the present inventionhas stable performance, and the application method is simple. The addition-type silicone rubber latex of the present invention is applied to chemical fiber cotton products having a three-dimensionalstructure or a honeycomb structure, such as pillows, underwear, mattresses and the like, and has excellent anti-compression permanent deformation and wash-resistant performance.

Description

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Claims

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Application Information

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Owner GUANGDONG POLYSIL TECH CO LTD
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