POWDER-TYPE POLYPROPYLENE RESIN AND METHOD FOR PREPARING SAME

Title:

POWDER-TYPE POLYPROPYLENE RESIN AND METHOD FOR PREPARING SAME

Document Type and Number:

WIPO Patent Application WO/2022/055234

Kind Code:

A1

Abstract:

The present invention provides a powder-type polypropylene resin and a method for preparing same, the powder-type polypropylene resin having improved flowability at a hopper and improved feeding stability in an extruder feeding zone, by morphology optimization through fine-powder amount reduction, narrow particle size distribution, average particle size increase, high melting point, and the like.

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Inventors:

CHAE SEONG MIN (KR)
YE JIHWA (KR)
NOH KYUNG SEOP (KR)
PARK HEEKWANG (KR)

Application Number:

PCT/KR2021/012173

Publication Date:

March 17, 2022

Filing Date:

September 08, 2021

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

C08F110/06; B04C9/00; B07C5/04; C08F4/659; C08F4/6592; D04H3/009

Foreign References:

KR20200049589A	2020-05-08
KR20190141003A	2019-12-20
US4729772A	1988-03-08
US5968703A	1999-10-19
CN110882664A	2020-03-17
KR20020084423A	2002-11-07

Other References: