Polypropylene composition for low foaming and preparation process thereof
A polypropylene composition and low-foaming technology, which is applied in the field of low-foaming polypropylene composition and its preparation, can solve the problems of affecting the rigidity of materials, increasing material costs, energy saving and weight reduction effects of products are not obvious, and achieve Good processing performance, small and uniform cell size, and excellent comprehensive mechanical properties
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Embodiment 1
[0021] 100 parts of copolymerized polypropylene;
[0022] Tetrakis[methyl-β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester 0.1 part;
[0023] 0.1 parts of tris(2,4-di-tert-butyl)phenyl phosphite;
[0024] 1.0 parts of talcum powder;
[0025] 5.0 parts of glycerol monostearate.
Embodiment 2
[0027] 100 parts of copolymerized polypropylene;
[0028] 0.5 parts of tetrakis[methyl-β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester;
[0029] 0.5 parts of tris(2,4-di-tert-butyl)phenylphosphite;
[0030] 2.0 parts of talcum powder;
[0031] 8.0 parts of glycerol monostearate.
Embodiment 3
[0033] 100 parts of homopolypropylene;
[0034] Tetrakis[methyl-β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester 1.0 parts;
[0035] 1.0 parts of tris(2,4-di-tert-butyl)phenylphosphite;
[0036] 5.0 parts of talcum powder;
[0037] 10.0 parts of glycerol monostearate.
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