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Polypropylene whitening resistant auxiliary agent and application thereof

A technology of polypropylene and whitening additives, which is applied in the field of anti-whitening additives for polypropylene, can solve the problems of polypropylene whitening, etc., and achieve the effects of improving rigidity, good low temperature resistance and high temperature resistance, excellent rigidity and toughness

Inactive Publication Date: 2017-11-03
慈溪市赛斯特金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the actual use process, it is found that polypropylene has whitening, which needs to be solved urgently

Method used

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  • Polypropylene whitening resistant auxiliary agent and application thereof
  • Polypropylene whitening resistant auxiliary agent and application thereof
  • Polypropylene whitening resistant auxiliary agent and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1a-1c

[0021] Examples 1a-1c: an anti-whitening auxiliary agent for polypropylene, which is prepared by mixing the raw materials shown in Table 1.

[0022] Formulation information of table 1 embodiment 1a-1c

[0023]

Embodiment 1d

[0024] Example 1d: an anti-whitening auxiliary agent for polypropylene, which is different from Example 1a in that the hydroxyl-terminated hyperbranched polyester is replaced by commercially available hyperbranched polyethyleneimine.

Embodiment 1e

[0025] Example 1e: an anti-whitening auxiliary agent for polypropylene, which is different from Example 1a in that the mass ratio of dicumyl peroxide and di-tert-butyl peroxide is 10:90.

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Abstract

The invention discloses a polypropylene whitening resistant auxiliary agent and application thereof. The polypropylene whitening resistant auxiliary agent is prepared from hyperbranched dispersing agents, hyperoxide and talcum powder. Through being metered by mass, the recipe ratio of the hyperbranched dispersing agents to the hyperoxide to the talcum powder is (5 to 8) to (50 to 60) to 100; the particle diameter of the talcum powder is 4000 to 10000 meshes; the effect of reducing the polypropylene whitening is achieved.

Description

technical field [0001] The invention relates to an anti-whitening auxiliary agent for polypropylene and its application. Background technique [0002] Polypropylene (PP for short) is a semi-crystalline thermoplastic with high impact resistance and is widely used in industry. In the actual use process, it is found that there is whitening of polypropylene, which needs to be solved urgently. SUMMARY OF THE INVENTION [0003] The first object of the present invention is to provide an anti-whitening auxiliary agent for polypropylene, which has the effect of reducing the whitening of polypropylene. [0004] The above-mentioned technical purpose of the present invention is achieved through the following technical solutions: [0005] An anti-polypropylene whitening auxiliary agent, comprising a hyperbranched dispersant, peroxide and talc; in terms of mass, the formula ratio of the hyperbranched dispersant, peroxide and talc is 5-8:50~ 60:100; the particle size of the talc powde...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L87/00C08L67/00C08L91/00C08K13/02C08K5/14C08K3/34C08K5/053C08K13/04
CPCC08L87/00C08K2201/003C08K2201/014C08L23/12C08L67/00C08L2201/08C08L2205/035C08L91/00C08K13/02C08K5/14C08K3/34C08K5/053C08L77/00C08K13/04C08K7/14
Inventor 吴乃君
Owner 慈溪市赛斯特金属制品有限公司
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