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Patent Searching and Data


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.

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:
KR20200049589A2020-05-08
KR20190141003A2019-12-20
US4729772A1988-03-08
US5968703A1999-10-19
CN110882664A2020-03-17
KR20020084423A2002-11-07
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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