Title:
POLYPROPYLENE RESIN COMPOSITION FOR INSULATING LAYER OF POWER CABLE WITH EXCELLENT WHITENING RESISTANCE AND MOLDED ARTICLE USING SAME
Document Type and Number:
WIPO Patent Application WO/2023/090625
Kind Code:
A1
Abstract:
Disclosed are: a resin composition for an insulating layer of a power cable, the resin composition being a resin composition for an insulating layer of a recyclable power cable, and having excellent whitening resistance while satisfying excellent flexibility and electrical properties; and a molded article using same. The present invention provides a polypropylene resin composition for an insulating layer of a power cable, and a power cable using same, the polypropylene resin composition comprising: 70-90 parts by weight of a propylene block copolymer in which ethylene-propylene rubber (EPR) is dispersed in a propylene-ethylene random copolymer; 5-20 parts by weight of an polyolefin elastomer (POE); and 5-20 parts by weight of high-molecular-weight atactic polypropylene (PP) having a weight average molecular weight of 100,000 g/mol or more.
Inventors:
KIM YOUN KYOUNG (KR)
YOON BO SANG (KR)
SEO KYO UN (KR)
YOON BO SANG (KR)
SEO KYO UN (KR)
Application Number:
PCT/KR2022/014482
Publication Date:
May 25, 2023
Filing Date:
September 27, 2022
Export Citation:
Assignee:
LOTTE CHEMICAL CORP (KR)
International Classes:
C08L53/00; C08L23/00; C08L23/16; H01B3/44; H01B9/00
Foreign References:
| KR101859852B1 | 2018-05-18 | |||
| KR20190064279A | 2019-06-10 | |||
| KR20200077147A | 2020-06-30 | |||
| KR20010043846A | 2001-05-25 | |||
| KR20190127970A | 2019-11-13 |
Attorney, Agent or Firm:
PARK, Sang Hoon (KR)
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