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Organosilicon composition, and preparation method and application thereof

A composition and silicone technology, applied in the direction of coating, etc., can solve the problem of not being able to use glass fiber braided sleeve glass fiber sheathed wire and so on

Active Publication Date: 2011-07-13
CHANGZHOU TIANMA GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this silicone resin composition cannot be used for the surface material of glass fiber braided sleeve or the surface material of glass fiber braided sheath wire

Method used

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  • Organosilicon composition, and preparation method and application thereof

Examples

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Comparison scheme
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Embodiment 1）

[0042] The organosilicon composition of this embodiment is a viscous liquid uniform dispersion system composed of the following components by weight:

[0043] 150 parts of methyl vinyl silicone rubber raw rubber, 150 parts of methyl vinyl mixed silicone rubber, 12 parts of methyl vinyl silicone oil, 10 parts of methyl hydrogen silicone oil, 1.5 parts of methyl butynol as an inhibitor and 700 parts of xylene as a solvent.

[0044] The above-mentioned methyl vinyl silicone rubber raw rubber components are derived from methyl vinyl silicone rubber raw rubber, and methyl vinyl silicone rubber raw rubber is composed of cyclic polydimethylsiloxane and cyclic methyl vinyl siloxane Alkanes are polymerized at a temperature of 110°C to 140°C and under the catalysis of potassium hydroxide or tetramethylammonium siloxanol, and the number average molecular weight is 500,000 and the viscosity (25°C) is controlled by the length of the reaction time ) is 700000mPa.s. The molar content of vi...

Embodiment 2～ Embodiment 4）

[0052] The preparation method and application method of each embodiment are the same as that of Example 1. The difference is:

[0053] ① See Table 1 for the components used in the silicone composition and the parts by weight of the components.

[0054] ② See Table 2 for the substances and weight percentages used in the reinforcing fillers, structure control agents and colorants in the methyl vinyl compounded silicone rubber.

[0055]

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Abstract

The invention discloses an organosilicon composition, and a preparation method and application thereof. The organosilicon composition is prepared from the following components in parts by weight: 100-150 parts of methyl vinyl silicone rubber, 100-200 parts of methyl vinyl mixed silicone rubber, 10-30 parts of methyl vinyl silicone oil, 4-20 parts of methyl hydro-silicone oil, 1-2 parts of inhibitor and 700-800 parts of solvent. The preparation method comprises the following steps: adding the methyl vinyl silicone rubber, methyl vinyl mixed silicon rubber and solvent into a high-speed mixer according to the formula, and mixing for 6-8 hours until the mixture is completely dissolved; and adding the methyl vinyl silicone oil, methyl hydro-silicone oil and inhibitor into the high-speed mixer according to the formula, and evenly mixing. The organosilicon composition can be applied to the surface of a glass fiber braided tube or glass fiber braided wire after being evenly mixing with the solvent and curing agent.

Description

technical field [0001] The invention belongs to the field of organic chemistry, and in particular relates to an organosilicon composition, a preparation method and application thereof. Background technique [0002] At present, the glass fiber braided sleeve is obtained by extruding raw silicone rubber on the surface of the tubular glass fiber braid through an extruder, and then vulcanizing and crosslinking the raw silicone rubber at high temperature to become an elastomer. The fiber braided wire is obtained by extruding raw silicone rubber on the surface of the glass fiber braided sheath with wires inside through an extruder, and then vulcanizing and crosslinking the raw silicone rubber at high temperature to become an elastomer. The advantage of glass fiber braided sleeve and glass fiber braided jacket wire is good insulation performance, but its disadvantages are also obvious: first, the process is complicated; second, the coating is thicker, so the cost is higher; third, ...

Claims

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Application Information

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IPC IPC(8): C08L83/07C08L83/05C08L83/06C08K3/36C08K5/5419C08K5/5445C09D183/07C09D183/05C09D5/25
Inventor 宣维栋何光武朱文元史建军申梅朱凌飞
Owner CHANGZHOU TIANMA GROUP CO LTD