KR960022752A

KR960022752A - Polyolefin resin composition for wire coating

Info

Publication number: KR960022752A
Application number: KR1019940040375A
Authority: KR
Inventors: 이호성
Original assignee: 황선두; 삼성종합화학 주식회사
Priority date: 1994-12-31
Filing date: 1994-12-31
Publication date: 1996-07-18

Abstract

본 발명은 전력케이블 또는 동축케이블의 절연용 폴리올레핀수지에 있어서 베이스수지로서 밀도 0.910~0.925g/㎤, 멜트인덱스 0.1~4.0g/10분인 저밀도 폴리에틸렌 55~99.45중량%와 개질재로서 에틸렌과 탄소원자 4 이상의 α-올레핀으로부터 중합된 밀도 0.910g/㎤ 미만, 멜트인덱스 0.1~100g/10분인 저결정성 저압법 초저밀도폴리에틸렌 0.5~40중량% 및 0.05~1.0중량%의 산화방지제로 이루어진 전선피복용 폴리올레핀 수지 조성물에 관한 것이며, 또한 상기 수지 조성물에 실란화합물, 디큐밀퍼옥사이드, 수가교촉매 등을 추가로 혼합하여 이루어진 수가교성 전선피복용 폴리올레핀 수지조성물에 관한 것이다.The present invention relates to 55 ~ 99.45% by weight of low density polyethylene having a density of 0.910 to 0.925 g / cm 3 and a melt index of 0.1 to 4.0 g / 10 minutes in a polyolefin resin for insulation of power cables or coaxial cables, and ethylene and carbon atoms as modifiers. For wire coating consisting of 0.5-40% by weight of low crystalline low-pressure ultra-low density polyethylene with a density of less than 0.910 g / cm3 polymerized from 4 or more α-olefins and a melt index of 0.1-100 g / 10 min and an antioxidant of 0.05-1.0% by weight The present invention relates to a polyolefin resin composition, and further to a polyolefin resin composition for water crosslinking wire coating which is obtained by further mixing a silane compound, a dicumyl peroxide, a water cross-linking catalyst and the like in the resin composition.

Description

전선피복용 폴리올레핀 수지조성물Polyolefin resin composition for wire coating

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims

베이스수지로서 밀도 0.910~0.925g/㎤, 멜트인덱스 0.1~4.0g/10분인 저밀도폴리에틸렌 59~99.45중량%와 내환경응력균열성 개질제로서 에틸렌과 탄소원자 4 이상의 α-올레핀으로부터 중합된 밀도 0.910g/㎤ 미만, 멜트인덱스 0.1~100g/10분인 저결정성 저압법초저밀도폴리에틸렌 0.5~40중량% 및 산화방지제 0.05~1.0중량%로 이루어진 것을 특징으로 하는 전선피복용 폴리올레핀 수지조성물.59-1099.45% by weight of low density polyethylene having a density of 0.910 to 0.925 g / cm 3 as the base resin and 0.1 to 4.0 g / 10 minutes of melt index, and 0.910 g of polymerized from ethylene and α-olefin having 4 or more carbon atoms as an environmental stress cracking modifier. A polyolefin resin composition for wire coating comprising less than / cm 3, 0.5-40 wt% of low crystalline low pressure ultra low density polyethylene with a melt index of 0.1-100 g / 10 min, and 0.05-1.0 wt% of an antioxidant.

제1항에 있어서, 베이스수지로서 저밀도 폴리에틸렌과 내환경응력균열성 개질제로서 저결정성 저압법초저밀도 폴리에틸렌 및 산화방지제로 이루어진 상기 폴리올레핀 수지조성물 100중량부에 대하여 수가교성 첨가제로서 실란화합물 2~4중량부, 디큐밀퍼옥사이드 0.1~0.3중량부, 수가교촉매 0.5~1.2중량부를 더 포함하는 것을 특징으로 하는 수가교성 전선피복용 폴리올레핀 수지조성물.According to claim 1, 2 to 4 weight of the silane compound as a water crosslinking additive based on 100 parts by weight of the polyolefin resin composition composed of low density polyethylene as the base resin and low crystalline low pressure method ultra low density polyethylene and antioxidant as the environmental stress cracking modifier. The polyolefin resin composition for water crosslinking electric wire coating further comprising 0.1 to 0.3 parts by weight of dicumyl peroxide, and 0.5 to 1.2 parts by weight of a crosslinking catalyst.

※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.