High-glossiness polypropylene composition as well as preparation method and application thereof
A polypropylene composition, high gloss technology, applied in the field of polymer materials, can solve problems such as warpage deformation, reduce shrinkage rate, etc., achieve the effect of improving thermal oxygen aging performance and solving technical defects
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[0026] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.
[0027] The raw material sources used in the present invention are as follows:
[0028] High isotacticity homopolypropylene: the isotacticity is greater than 98%, the weight average molecular weight is 280,000, and the brand is Daehan Petrochemical HJ4045.
[0029] Isotactic polypropylene: isotacticity 96%, weight average molecular weight 300,000, brand Maoming Petrochemical N-Z30S.
[0030] Low-isotacticity polypropylene: isotacticity 92%, weight-average molecular weight 280,000, brand Lotte J-57...
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