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High temperature-resistant organosilicone resin

An organosilicon and high temperature resistant technology, applied in the chemical industry, can solve the problem of poor high temperature resistance, and achieve the effects of improving high temperature resistance, increasing crosslinking density and expanding the scope of application.

Inactive Publication Date: 2018-05-01
枞阳县三金颜料有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing silicone resins have poor high temperature resistance and cannot meet the needs of the market.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A kind of high temperature resistant organosilicon resin, its preparation method comprises the following steps:

[0017] (1) Modifier preparation: Add 120g of orthosilicate resin monomer, 10g of deionized water and 6g of absolute ethanol to the reactor, stir at 1500r / min for 10min, then add orthosilicate resin monomer Ammonium persulfate with a mass of 0.05% was heated to 112°C and continued to stir for 30 minutes, then a coupling agent with a mass of orthosilicate resin monomer of 0.12% was added, the temperature was adjusted to 80°C, and the temperature was kept for 2 hours, and then 0.5 g of triethylamine, stirred at 120r / min for 2min, ultrasonically treated for 3min, and then naturally cooled to room temperature to obtain the desired modifier;

[0018] (2) Preparation of cured product: uniformly mix modifier and silicone resin at a mass ratio of 1:8, stir at 3500r / min for 2 hours, and then heat-preserve at 80°C for 1 hour to obtain a cured product;

[0019] (3) Fin...

Embodiment 2

[0026] A kind of high temperature resistant organosilicon resin, its preparation method comprises the following steps:

[0027] (1) Modifier preparation: Add 150g of orthosilicate resin monomer, 12g of deionized water and 8g of absolute ethanol to the reactor, stir at 1500r / min for 15min, then add orthosilicate resin monomer Ammonium persulfate with a mass of 0.08% was heated to 112°C and continued to stir for 40 minutes, then a coupling agent with a mass of orthosilicate resin monomer of 0.15% was added, the temperature was adjusted to 80°C, and the temperature was kept for 2 hours, and then 0.5 g of triethylamine, stirred at 120r / min for 2min, ultrasonically treated for 3min, and then naturally cooled to room temperature to obtain the desired modifier;

[0028] (2) Preparation of cured product: uniformly mix modifier and silicone resin in a mass ratio of 1:12, stir at 3500r / min for 2 hours, and then heat-preserve at 80°C for 1 hour to obtain a cured product;

[0029] (3) Fi...

Embodiment 3

[0036] A kind of high temperature resistant organosilicon resin, its preparation method comprises the following steps:

[0037] (1) Modifier preparation: Add 130g of orthosilicate resin monomer, 11g of deionized water and 7g of absolute ethanol to the reactor, stir at 1500r / min for 12min, then add orthosilicate resin monomer Ammonium persulfate with a mass of 0.05-0.08%, heated to 112°C, continued to stir for 35 minutes, then added a coupling agent with a mass of orthosilicate resin monomer of 0.14%, adjusted the temperature to 80°C, kept it warm for 2 hours, and then dripped Add 0.5g of triethylamine, stir at 120r / min for 2min, ultrasonically treat for 3min, then naturally cool to room temperature to obtain the desired modifier;

[0038] (2) Preparation of cured product: uniformly mix modifier and silicone resin in a mass ratio of 1:10, stir at 3500r / min for 2 hours, and then heat-preserve at 80°C for 1 hour to obtain a cured product;

[0039] (3) Finished product preparatio...

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Abstract

The invention discloses high temperature-resistant organosilicone resin, and relates to the technical field of chemical industry. A preparation method of the high temperature-resistant organosiliconeresin comprises the following steps: (1) preparing a modifying agent; (2) preparing a solidified product; (3) preparing a finished product. The organosilicone resin prepared by the preparation methodprovided by the invention has good high temperature resistance; tests show that the organosilicone resin prepared by the preparation method provided by the invention has the bending strength as high as 85.3MPa and the impact strength as high as 36.8kJ / m<2>.

Description

technical field [0001] The invention belongs to the technical field of chemical industry, and in particular relates to a high-temperature-resistant organic silicon resin. Background technique [0002] Silicone resin (HS) combines the properties of inorganic materials and organic materials, and has excellent properties such as electrical insulation, ozone resistance, radiation resistance, flame retardant, water repellency, corrosion resistance, non-toxic, tasteless and physiological inertness. Resin-prepared molding compound composites have the characteristics of higher geometric stability, high-humidity complex environment, and chemical corrosion resistance. However, the existing silicone resins have poor high temperature resistance and cannot meet the market demand. Contents of the invention [0003] The object of the present invention is to provide a kind of high temperature resistant silicone resin aiming at the existing problems. [0004] The present invention is ach...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/04C08K9/04C08K9/00C08K3/34
CPCC08L83/04C08L2201/08C08L2205/025C08L2312/00C08K9/04C08K9/00C08K3/346
Inventor 周艺桃
Owner 枞阳县三金颜料有限责任公司
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