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Automobile lamellar product

A layered and product technology, applied in the direction of synthetic resin layered products, layered products, chemical instruments and methods, etc., can solve the problems of insufficient rigidity, easy to break failure, poor impact resistance, etc., and achieve excellent impact absorption performance Effect

Active Publication Date: 2014-02-12
SUZHOU WANLONG AUTO PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the above problems, various proposals have been made, such as the development of thermoplastic polymer materials composed of polyamide resins and ionomers with excellent heat resistance and impact resistance, but such materials are slow at high speeds. Poor impact resistance, easy to break and fail under high-speed impact
In order to obtain excellent damping performance under high-speed impact, the rigidity under heavy load is often insufficient

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] According to the distribution ratio of each group given in Table 1, ingredients are prepared and dried to 100℃ for standby;

[0017] Step 1: First, mix the polystyrene-polyisobutylene block copolymer, polystyrene-polyisobutylene-polystyrene block copolymer and chlorinated butyl rubber, and then add half of the inorganic filler and hydrogenated petroleum Resin and paraffin oil are one-third of the proportion, and then melt-mixed in a plastic mill, the mixing temperature is 150°C, and the mixing time is 3 minutes;

[0018] Step 2: Then add dicumyl peroxide for further melt mixing and crosslinking, and the mixing time is 5 minutes;

[0019] Step 3: Add the homopolypropylene resin and the remaining inorganic fillers to the mixed product, increase the temperature of the plastic mill to 180°C, melt and mix for 10 minutes, and take out the obtained mixed product;

[0020] Step four: heating the mixed product of step three to 180° C. and hot-press forming under a pressure of 6 MPa to o...

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Abstract

The invention provides an automobile lamellar product, which is composed of a base layer and a surface layer which is formed on at least one surface of the base layer and higher than the base layer in rigidity. The formula of the base layer comprises the following components in parts by weight: 25-30 parts of polystyrene-polyisobutylene block copolymer, 35-40 parts of polystyrene-polyisobutylene-polystyrene block copolymer, 20-25 parts of chlorinated butyl rubber, 10-15 parts of homopolyacrylic resin, 10-20 parts of inorganic filler, 0.2-0.6 part of dicumyl peroxide, 15-20 parts of hydrogenated petroleum resin and 10-15 parts of paraffin oil, wherein the sum of the polystyrene-polyisobutylene block copolymer, the polystyrene-polyisobutylene-polystyrene block copolymer, the chlorinated butyl rubber and the homopolyacrylic resin is 100 parts.

Description

Technical field [0001] The present invention relates to the technical field of automobile materials, in particular to provide a layered automobile product. Background technique [0002] With the continuous development of my country’s national economy and the increasing improvement of people’s living standards, cars have become an indispensable means of transportation and leisure in people’s daily life and work. Therefore, the comfort of driving and riding in cars has become more and more a purchase The focus of attention is an important indicator to measure the quality of automobiles. The vibration and noise in the car are undoubtedly the main factors affecting the driving and riding comfort of the car. [0003] In order to meet the requirements of automobile vibration and noise reduction, high molecular polymers with excellent vibration damping performance and light weight are generally used as automobile vibration damping materials in automobile production. Thermosetting polyure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/08C08L53/00C08L23/28C08L23/12C08L57/02C08K13/02C08K5/14C08K3/34C08K3/26C08K5/01C08L23/26C08L23/08C08L67/04C08K7/08C08K5/20
Inventor 王明陈海徐玲殷永明李春华
Owner SUZHOU WANLONG AUTO PARTS
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