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Transparent PP (Polypropylene) material for automobile radiator and preparation method thereof

A car water tank and transparent technology, applied in the field of plastic modification, can solve the problems of high requirements and high price, and achieve the effect of low material cost, good transparency and firm welding

Inactive Publication Date: 2014-04-30
QINGDAO DADU NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Automotive water tanks have high requirements on materials, and materials with good performance on the market are more expensive

Method used

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  • Transparent PP (Polypropylene) material for automobile radiator and preparation method thereof

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Embodiment Construction

[0015] The present invention will be described in detail below in combination with embodiments.

[0016] The technical solution of this embodiment is: a transparent PP material for automobile radiators, which is composed of the following components in mass percentage: 20%-40% of homopolymerized PP, 20%-50% of the first copolymerized PP, 20%-50% of the second copolymerized PP 10%-20%, thermoplastic elastomer 8%-25%, polar modifier 2%-8%, antioxidant 0.1%-0.3%.

[0017] Wherein, the first copolymerized PP adopts a medium-impact copolymerized PP with a melt index of 30-60 g / 10min.

[0018] Wherein, the second copolymerized PP is transparent random copolymerized PP.

[0019] Wherein, the homopolymer PP adopts a homopolymer PP with a melt index of 22-31 g / 10 min and an isotacticity of 94.5-97% b.m.

[0020] The preparation method of any one of the above-mentioned transparent PP materials for automobile water tanks provided by this embodiment includes the following steps: fir...

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Abstract

The invention belongs to the technical field of plastic modification, and in particular relates to a transparent PP (Polypropylene) material for an automobile radiator and a preparation method of the material. The material comprises the following components in percentage by mass: 20-40% of homopolymerized PP, 20-50% of first copolymerized PP, 10-20% of second copolymerized PP, 8-25% of thermoplastic elastomer, 2-8% of polar modifying agent and 0.1-0.3% of antioxidant. The preparation method comprises steps of mixing, extruding and pelleting. The properties of the material provided by the invention can meet the use requirements, and the material is low in cost.

Description

technical field [0001] The invention belongs to the technical field of plastic modification, and in particular relates to a transparent PP material for an automobile water tank and a preparation method thereof. Background technique [0002] Polypropylene (PP) is one of the five general-purpose plastics. Due to its rich source of raw materials, cheap price, easy processing and excellent product performance, it has a wide range of uses and has become the fastest-growing variety of general-purpose resins. It is widely used in In automotive interior and exterior trim, electronics and home appliances. Although polypropylene has many advantages, it also has some disadvantages. For example, it does not have a good balance between rigidity and toughness. High-modulus polypropylene often cannot achieve high impact at the same time, and high-impact polypropylene cannot simultaneously achieve high modulus. [0003] Therefore, the modulus of the material is usually increased by ad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/14
CPCC08L23/14C08L2201/10C08L2205/025C08L2205/035C08L2207/04C08L2207/14
Inventor 赵成方
Owner QINGDAO DADU NEW MATERIAL TECH
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