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Oil discharge silica gel and preparation method thereof

A technology of silica gel and raw rubber, applied in the direction of adhesives, natural rubber adhesives, adhesive types, etc., can solve the problem of insignificant effect, and achieve the effect of superior lubricating performance, good oil performance, and not easy to be oxidized

Inactive Publication Date: 2020-02-14
东莞市源岭硅胶科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method can only improve to a certain extent, the effect is not obvious

Method used

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  • Oil discharge silica gel and preparation method thereof
  • Oil discharge silica gel and preparation method thereof
  • Oil discharge silica gel and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A raw material for preparing oil-releasing silica gel includes: extra-high hexenyl content raw rubber, raw rubber, silicone oil, hydrogen-containing silicone oil, mold release agent, blue pigment, carbon black and phenyl silicone oil.

[0022] Wherein, the oil-releasing silica gel of the present invention includes the following components in parts by weight:

[0023]

[0024] Among them, the relative molecular weight of the ultra-high hexenyl content raw rubber is 55×10 4 , the vinyl content of the ultra-high hexenyl content raw rubber is 3%.

[0025] Wherein, the raw rubber is selected from smoked sheet rubber.

[0026] Among them, the viscosity of silicone oil is 3200cP.

[0027] Wherein, the hydrogen content of the hydrogen-containing silicone oil is 1.8wt%.

[0028] Wherein, the release agent is selected from silicone compounds.

[0029] Wherein, the viscosity of the phenyl silicone oil at 25°C is 45cs, the refractive index ND of the phenyl silicone oil is 1....

Embodiment 2

[0035] A raw material for preparing oil-releasing silica gel includes: extra-high hexenyl content raw rubber, raw rubber, silicone oil, hydrogen-containing silicone oil, mold release agent, blue pigment, carbon black and phenyl silicone oil.

[0036] Wherein, the oil-releasing silica gel of the present invention includes the following components in parts by weight:

[0037]

[0038]

[0039] Among them, the relative molecular weight of the ultra-high hexenyl content raw rubber is 40×10 4 , the vinyl content of the ultra-high hexenyl content raw rubber is 2.5%.

[0040] Wherein, raw rubber is selected from standard rubber.

[0041] Wherein, the viscosity of silicone oil is 1500cP.

[0042] Wherein, the hydrogen content of the hydrogen-containing silicone oil is 1.6wt%.

[0043] Wherein, the release agent is selected from silicone grease.

[0044] Wherein, the viscosity of the phenyl silicone oil at 25°C is 75cs, the refractive index ND of the phenyl silicone oil is 1....

Embodiment 3

[0050] A raw material for preparing oil-releasing silica gel includes: extra-high hexenyl content raw rubber, raw rubber, silicone oil, hydrogen-containing silicone oil, mold release agent, blue pigment, carbon black and phenyl silicone oil.

[0051] Wherein, the oil-releasing silica gel of the present invention includes the following components in parts by weight:

[0052]

[0053] Among them, the relative molecular weight of the ultra-high hexenyl content raw rubber is 50×10 4 , the vinyl content of the ultra-high hexenyl content raw rubber is 3.5%.

[0054] Wherein, the raw rubber is selected from styrene-butadiene rubber.

[0055] Wherein, the viscosity of silicone oil is 1500cP.

[0056] Wherein, the hydrogen content of the hydrogen-containing silicone oil is 2wt%.

[0057] Wherein, the release agent is selected from silicone resin.

[0058] Wherein, the viscosity of the phenyl silicone oil at 25°C is 75cs, the refractive index ND of the phenyl silicone oil is 1.49...

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Abstract

The invention provides oil discharge silica gel and a preparation method thereof. The oil discharge silica gel comprises preparation raw materials as follows: raw rubber with ultrahigh hexenyl content, raw rubber, silicone oil, hydrosilicone oil, a release agent, blue pigment, carbon black and phenyl silicone oil. The oil discharge silica gel has good oil discharge performance, excellent lubricating performance and long duration, has performance exceeding most similar products on the market at present, has excellent high and low temperature resistance, can be used at subzero 70-220 DEG C, is not liable to oxidation and decomposition in ozone and radiation environments, has good chemical stability and has excellent hydrophobic, dampproof, anti-shock and physiological inert properties.

Description

technical field [0001] The invention relates to the field of glue and its preparation, in particular to an oil-releasing silica gel and a preparation method thereof. Background technique [0002] Among polymer materials, the high elasticity of silica gel is not available in other materials, but its temperature resistance range is narrow. Silicone material has good heat resistance and can be used at 150°C almost forever without performance change. It can be used continuously for 10,000 hours at 200°C, and it can also be used for a period of time at 300°C. It is widely used in occasions requiring heat resistance. Silicone materials still have good elasticity at -60°C to -70°C, and some specially formulated silica gels can also withstand extremely low temperatures. It has unique advantages in the field of low temperature sealing. At the same time, the silicone material has both biological inertness, good weather resistance and excellent electrical properties. The above chara...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J107/00C09J109/06C09J123/22C09J183/04C09J183/05C09J183/07
CPCC08L2201/08C08L2205/025C08L2205/035C09J107/00C09J109/06C09J123/22C08L83/04
Inventor 凌发林
Owner 东莞市源岭硅胶科技有限公司
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