The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 29, 2021
Filed:
Oct. 19, 2018
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Hanwha Total Petrochemical Co. Ltd., Chungcheongnam-do, KR;
Kyeong Hoon Jang, Seoul, KR;
Boo Youn An, Seoul, KR;
In Soo Han, Gyeonggi-do, KR;
Dae Sik Kim, Gyeonggi-do, KR;
Seul Yi, Seoul, KR;
Byoung Ho Lee, Chungcheongnam-Do, KR;
Choul Ho Kim, Daejeon, KR;
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Hanwha Total Petrochemical Co. Ltd., Seonsan, KR;
Abstract
Disclosed is a polypropylene resin composition for an uncoated crash pad. The composition may include an amount of about 50 to 80 wt % of a polypropylene resin having a Polydispersity Index (PI) of about 4.5 to 6.5, a weight average molecular weight of about 200,000 to 350,000 g/mol, and an isotactic peptide fraction of about 96% or greater as measured by a C-NMR method, an amount of about 1 to 30 wt % of rubber having a melt index of about 1 to 6 g/10 min (230° C., 2.16 Kg), an amount of about 11 to 30 wt % of an inorganic filler composed of a mixture of an amount of about 10 to 20 wt % of talc and an amount of about 1 to 10 wt % of whisker, and an amount of about 1 to 5 wt % of an anti-scratch agent, all the wt % are based on the total weight of the polypropylene resin composition.