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Composite damping material

A technology of composite damping material and parts by weight, which is applied in the field of composite damping materials, can solve the problems of unsatisfactory sound wave energy attenuation effect, inability to effectively stagger the anastomotic valley effect, etc., and achieve outstanding noise reduction performance, wide damping temperature range, and low The effect of wide noise band

Inactive Publication Date: 2014-11-26
QINGDAO HUA CHENG TIAN MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the well-known acoustic wave damping materials on the market are single-component single-layer composite damping materials made of polymer materials. The energy attenuation effect is not very ideal

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] A composite damping material comprising the following parts by weight: 60 parts of isoprene rubber, 46 parts of emulsion polystyrene butadiene rubber, 14 parts of N-phenyl-β-naphthylamine, 6-ethoxy-2,2, 10 parts of 4-trimethyl-1,2-dihydroquinoline, 13 parts of stannous octoate, 4 parts of cobalt naphthenate, 7 parts of N,N-diethylaniline, 14 parts of benzoyl peroxide, sulfur 7 parts, 17 parts of chlorinated paraffin, 45 parts of isopropanol, 70 parts of calcium carbonate, 17 parts of carbon black, 9 parts of zinc stearate, 32 parts of polyisobutylene.

Embodiment

[0010] A composite damping material comprising the following parts by weight: 25 parts of isoprene rubber, 35 parts of emulsion polystyrene butadiene rubber, 10 parts of N-phenyl-β-naphthylamine, 6-ethoxy-2,2, 5 parts of 4-trimethyl-1,2-dihydroquinoline, 10 parts of stannous octoate, 3 parts of cobalt naphthenate, 1 part of N,N-diethylaniline, 14 parts of benzoyl peroxide, sulfur 4 parts, 5 parts of chlorinated paraffin, 30 parts of isopropanol, 45 parts of calcium carbonate, 10 parts of carbon black, 3 parts of zinc stearate, 15 parts of polyisobutylene.

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PUM

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Abstract

The invention discloses a composite damping material. The material is characterized by comprising the following substances by weight: 25 to 60 parts of isoprene rubber, 35 to 46 parts of emulsion polymerized styrene butadiene rubber, 10 to 14 parts of N-phenyl-beta-naphthylamine, 5 to 10 parts of 6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline, 10 to 23 parts of stannous octoate, 3 to 4 parts of cobalt naphthenate, 1 to 7 parts of N,N-diethylaniline, 10 to 14 parts of benzoyl peroxide, 4 to 7 parts of sulfur, 5 to 17 parts of chlorinated paraffin, 30 to 45 parts of isopropanol, 45 to 70 parts of calcium carbonate, 10 to 17 parts of carbon black, 3 to 9 parts of zinc stearate and 15 to 32 parts of polyisobutylene. The composite damping material has the characteristics of striking low frequency noise reduction performance, light weight, a wide damping temperature range, a wide noise reduction frequency range, aging resistance, etc.

Description

technical field [0001] The invention relates to a composite damping material. Background technique [0002] At present, the well-known acoustic wave damping materials on the market are single-component single-layer composite damping materials made of polymer materials. The energy attenuation effect is not very ideal. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a composite damping material. [0004] In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: [0005] A composite damping material, characterized in that it includes the following parts by weight: 25-60 parts of isoprene rubber, 35-46 parts of emulsion polystyrene butadiene rubber, 10-14 parts of N-phenyl-β-naphthylamine, 5-10 parts of 6-ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline, 10-23 parts of stannous octoate, 3-4 parts of cobalt naphthenate, N, N- 1-7 parts of diethylanil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/00C08L9/06C08L23/22C08K13/02C08K3/26C08K3/04C08K5/18C08K5/098C08K5/14
Inventor 李松
Owner QINGDAO HUA CHENG TIAN MACHINERY MFG
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