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Embedded type high-temperature co-curing high-damping composite material and preparation process thereof

A composite material and embedded technology, applied in the field of materials, can solve the problems of large viscoelastic damping film sheet, embedded co-cured composite material damping structure with low interlayer bonding force, destroying the surface molecular activity of viscoelastic film, etc.

Inactive Publication Date: 2012-07-25
QINGDAO TECHNOLOGICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] 2) The viscoelastic film of the original patent application is prepared by molding method, and the thickness of the viscoelastic damping film is relatively easy to control, but in the molding process, the viscoelastic damping material must be partially vulcanized, which destroys the molecular structure of the viscoelastic film surface. Activity, resulting in a relatively low interlayer bonding force of the embedded co-cured composite damping structure;
[0005] 3) Limited by the rated working pressure of the flat vulcanizer, it is not easy to make a larger viscoelastic damping film

Method used

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  • Embedded type high-temperature co-curing high-damping composite material and preparation process thereof
  • Embedded type high-temperature co-curing high-damping composite material and preparation process thereof
  • Embedded type high-temperature co-curing high-damping composite material and preparation process thereof

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Experimental program
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Effect test

Embodiment 1

[0049] 1. Preparation of materials:

[0050] An embedded high-temperature co-cured large damping composite material is proposed, and its mass-to-number ratio is: 93 parts of butyl rubber; 7 parts of chlorinated butyl rubber; 3 parts of chlorinated polyethylene; 4 parts of zinc oxide; stearic acid 0.9 parts; 51 parts of carbon black; 6 parts of octyl phenolic resin. And prepare materials according to this ratio.

[0051] 2. Preparation of mixed rubber: first add butyl rubber and chlorinated butyl rubber to the internal mixer and mix for two minutes, then add chlorinated polyethylene and mix for two minutes, after mixing evenly, add zinc oxide and stearin Mix with acid for three minutes, then add carbon black and mix for four minutes, finally add octyl phenolic resin, and mix for two minutes to ensure that the mixed rubber is uniform, take it out from the internal mixer, and finally put the mixed raw rubber into On the double-drum open mill, the roller distance is adjusted to ...

Embodiment 2

[0057] 1. Preparation of materials:

[0058] An embedded high-temperature co-cured large damping composite material is proposed, and its mass-to-number ratio is: 92.5 parts of butyl rubber; 6.5 parts of chlorinated butyl rubber; 2.9 parts of chlorinated polyethylene; 3.9 parts of zinc oxide; stearic acid 0.8 parts; 50 parts of carbon black; 5.9 parts of octyl phenolic resin. And prepare materials according to this ratio.

[0059] 2. Preparation of mixed rubber: first add butyl rubber and chlorinated butyl rubber to the internal mixer and mix for two minutes, then add chlorinated polyethylene and mix for two minutes, after mixing evenly, add zinc oxide and stearin Mix with acid for three minutes, then add carbon black and mix for four minutes, finally add octyl phenolic resin, and mix for two minutes to ensure that the mixed rubber is uniform, take it out from the internal mixer, and finally put the mixed raw rubber into On the double-drum open mill, adjust the roller distanc...

Embodiment 3

[0065] 1. Preparation of materials:

[0066] An embedded high-temperature co-cured large damping composite material is proposed, and its mass-to-number ratio is: 93.5 parts of butyl rubber; 7.5 parts of chlorinated butyl rubber; 3.1 parts of chlorinated polyethylene; 4.1 parts of zinc oxide; stearic acid 1 part; 52 parts of carbon black; 6.1 parts of octyl phenolic resin. And prepare materials according to this ratio.

[0067] 2. Preparation of mixed rubber: first add butyl rubber and chlorinated butyl rubber to the internal mixer and mix for two minutes, then add chlorinated polyethylene and mix for two minutes, after mixing evenly, add zinc oxide and stearin Mix with acid for three minutes, then add carbon black and mix for four minutes, finally add octyl phenolic resin, and mix for two minutes to ensure that the mixed rubber is uniform, take it out from the internal mixer, and finally put the mixed raw rubber into On the double-drum open mill, the roller distance is adjuste...

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Abstract

The invention discloses an embedded type high-temperature co-curing high-damping composite material. The embedded type high-temperature co-curing high-damping composite material comprises the following components in parts by weight: 92.5-93.5 parts of butyl rubber, 6.5-7.5 parts of chlorinated butyl rubber, 2.9-3.1 parts of chlorinated polyethylene, 3.9-4.1 parts of zinc oxide, 0.8-1 parts of stearic acid, 50-52 parts of carbon black and 5.9-6.1 parts of octyl phenolic resin. The invention also discloses a preparation method of the composite material. According to the method, the mixture of the butyl rubber and the chlorinated butyl rubber is taken as a main material, the mixture is dissolved in an organic solvent to be prepared into unvulcanized visco-elasticity damping material solution, the unvulcanized visco-elasticity damping material is brushed and coated on the prepreg surface of the composite material, by adopting a brush-coating method or / and spray-coating method, a damping layer is embedded in the structure of the composite material by being taken as a specific paving layer and then is processed into a damping-structure member of the embedded composite material by a co-curing process curve, and the damping-structure member of the embedded composite material has a wide application prospect in the high-tech fields such as high speed trains, aviation, aerospace and the like.

Description

technical field [0001] The invention relates to material technology, in particular to an embedded high-temperature co-cured large damping composite material and a preparation process thereof, belonging to the research field of dynamic modification of composite materials. Background technique [0002] Due to their high specific strength, specific stiffness and excellent damping properties, composite materials have been widely used in high-tech fields such as high-speed trains, aviation and aerospace in recent years. The Chinese invention patent "Manufacturing Process of Embedded Co-cured High Damping Composite Laminate Structure" (application number 201010177278.8) applied by the applicant combines the designability of the mechanical properties of the composite material with the high damping characteristics of the viscoelastic material. In the design stage, the viscoelastic material is used as a layer of composite material, and placed in the composite material structure accor...

Claims

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Application Information

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IPC IPC(8): C08L23/22C08L23/28C08L61/06C08K3/22C08K5/09C08K3/04B29B7/74B29C70/34B29C70/54
Inventor 梁森张忠胜修瑶瑶王辉
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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