Title:
TERNARY COMPOSITION FOR CABLE INSULATION LAYER, PREPARATION METHOD THEREFOR, AND CABLE INSULATION LAYER AND POWER CABLE WHICH COMPRISE SAME
Document Type and Number:
WIPO Patent Application WO/2021/086090
Kind Code:
A1
Abstract:
The present invention relates to a ternary composition for a cable insulation layer, a preparation method, and a cable insulation layer and a power cable which comprise same, and, more specifically, to: a ternary composition for a cable insulation layer, in which a polypropylene, an elastomer and an ethylene-propylene copolymer are used so that flexibility, heat resistance and mechanical and electrical properties can be improved; a preparation method; and a cable insulation layer and a power cable which comprise same. The present invention relates to a ternary composition for a cable insulation layer, a preparation method, and a cable insulation layer and a power cable which comprise same, the ternary composition comprising: a polypropylene matrix; elastic cores made of elastomers, and dispersed in the polypropylene matrix; and copolymer shells made of ethylene-propylene copolymers, and formed to encompass the outside of the elastic cores.
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Inventors:
YU SEUNG GUN (KR)
LEE DAE HO (KR)
HAN SE WON (KR)
AHN MYEONG SANG (KR)
HAN JIN A (KR)
PARK HYO YUL (KR)
LEE DAE HO (KR)
HAN SE WON (KR)
AHN MYEONG SANG (KR)
HAN JIN A (KR)
PARK HYO YUL (KR)
Application Number:
PCT/KR2020/014974
Publication Date:
May 06, 2021
Filing Date:
November 02, 2020
Export Citation:
Assignee:
KERI KOREA ELECTROTECHNOLOGY RES INST (KR)
International Classes:
H01B3/44; C08J3/12; C08L23/12; C08L23/16; H01B7/02
Foreign References:
| KR20190098000A | 2019-08-21 | |||
| KR20190003079A | 2019-01-09 | |||
| KR20190079535A | 2019-07-05 | |||
| KR20140134836A | 2014-11-25 | |||
| US20180016429A1 | 2018-01-18 |
Attorney, Agent or Firm:
PUKYUNG INTERNATIONAL PATENT & LAW FIRM (KR)
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