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Epoxy resin-modified silicone rubber composite and applications thereof

A silicone rubber composition, epoxy resin technology, applied in the direction of epoxy resin glue, adhesive, adhesive type, etc., can solve the problems of different formulas and components, different adhesive properties, different use occasions, etc., to achieve Good bonding performance, easy repair, high strength effect

Inactive Publication Date: 2013-12-25
SHANGHAI RADIO EQUIP RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such as 200910054081.2, 201110369701.9 and 201110394469.4, etc., but the formulations and components of these patents are different, the occasions of use are different, and the performance of the final prepared adhesive is also different

Method used

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  • Epoxy resin-modified silicone rubber composite and applications thereof
  • Epoxy resin-modified silicone rubber composite and applications thereof
  • Epoxy resin-modified silicone rubber composite and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The following raw materials in parts by mass: 80 parts of room temperature vulcanized silicone rubber, 21 parts of EP01441-310 epoxy resin, 0.9 parts of KH-550 coupling agent, 1.3 parts of triethylenetetramine and 2 parts of 501 Reflux liquid; mixing by stirring to prepare an epoxy resin-modified silica gel composition.

[0021] The performance indicators of the epoxy resin-modified silica gel composition of Example 1 are shown in Table 2.

[0022] Table 2: Performance test data of the silica gel composition modified by epoxy resin in Example 1

[0023]

[0024] Comparing Table 1 and Table 2, it can be seen that the performances of Example 1 all meet the index requirements.

Embodiment 2

[0026] The following raw materials in parts by mass: 80 parts of room temperature vulcanized silicone rubber, 20 parts of EP01441-310 epoxy resin, 1 part of KH-550 coupling agent, 1.5 parts of triethylenetetramine and 3 parts of 501 Reflux liquid; mixing by stirring to prepare an epoxy resin-modified silica gel composition.

[0027] Table 3 shows the performance indexes of the epoxy resin-modified silica gel composition of Example 2.

[0028] Table 3: Performance test data of the silica gel composition modified by epoxy resin in Example 2

[0029]

[0030] Comparing Table 1 and Table 3, the performances of Example 2 all meet the index requirements.

Embodiment 3

[0032] The following raw materials in parts by mass: 80 parts by mass of room temperature vulcanized silicone rubber, 19 parts by mass of EP01441-310 epoxy resin, 1.1 parts by mass of KH-550 coupling agent, 1.7 parts by mass of triethylenetetramine and 4 parts by mass of 501 reflux solution; by stirring and mixing, an epoxy resin-modified silica gel composition was obtained.

[0033] The performance indicators of the epoxy resin-modified silica gel composition of Example 3 are shown in Table 4.

[0034] Table 4: Performance test data of the silica gel composition modified by epoxy resin in Example 3

[0035]

[0036] Comparing Table 1 and Table 4, the performances of Example 3 all meet the index requirements.

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Abstract

The invention provides an epoxy resin-modified silicone rubber composite and applications thereof. The silicone rubber composite is prepared by mixing the following active ingredients in parts by weight: 80 parts of room-temperature vulcanized silicone rubber, 19-21 parts of EP01441-310 epoxy resin, 0.9-1.1 parts of KH-550 coupling agent, 1.3-1.7 parts of triethylene tetramine, and 2-4 parts of 501 reflux liquid. The epoxy resin-modified silicone rubber composite has the advantages of being cured at room temperature, having elasticity and high strength, and being good in metal bonding property and easy to repair; the epoxy resin-modified silicone rubber composite can be applied to encapsulate devices under the conditions of use temperature being minus 55 DEG C-120 DEG C, humidity being 95% below, anti-vibration power spectral density being 0.04g<2> / Hz, and all performance indexes can achieve the requirements of insulating, airtight and anti-vibration materials. The traditional silicone rubber is modified by adopting epoxy resin to meet the encapsulation and reinforcement requirements of devices such as cable plugs, sockets and the like applied in the industrial fields of aerospace, chemistry and the like, so that the devices can work normally under the severe environment conditions such as high temperature and low temperature, high humidity, mechanical vibration and the like.

Description

technical field [0001] The invention relates to a silicone rubber modified composition, which belongs to the field of adhesives such as insulation, sealing, and anti-vibration. Specifically, it relates to a silicone rubber composition modified by epoxy resin and its application. The silicone rubber composition It can meet the requirements of insulation, sealing and anti-vibration. Background technique [0002] Components used in aerospace, chemical and other industries need to work under harsh environmental conditions such as high and low temperature, high humidity, and mechanical vibration. For example, plugs and sockets of cables, resistors and capacitors on printed board assemblies and other components. In order to ensure that such components can work normally and reliably under harsh environmental conditions such as high and low temperature, high humidity, and mechanical vibration, it is key to use adhesives with certain elasticity and strength for potting and reinforce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J183/04C09J163/00C09J11/06
Inventor 蒋海峰赵立周丽
Owner SHANGHAI RADIO EQUIP RES INST
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