온수온돌용 폴리프로필렌 공중합체(PP-C) 파이프 성형재료의 제조방법
    2.
    发明授权

    公开(公告)号:KR1019890000037B1

    公开(公告)日:1989-03-06

    申请号:KR1019850004364

    申请日:1985-06-20

    Inventor: 김정엽 김척기

    Abstract: Polypropylene copolymer pipe molding materials are prepd. by melt- blending polypropylene-ethylene copolymer 75-95 wt.% (contg. ethylene 3-10 %, i.e. EPR, EPDM), ethylene-propylene elastomer (the mole ratio of ethylene; propylene; dien=62-82:13-17:1-5, vulcanized with peroxides or other vulcanizing agent before or during blending) 5-25 wt.%, small amts. of antioxidizing agent i.e. 2,6-di-t-butyl-4-methyl phenol, and additives.

    Abstract translation: 聚丙烯共聚物管材成型材料 通过熔融共混75-95重量%的丙烯 - 乙烯共聚物(连续3-10%,即EPR,EPDM),乙烯 - 丙烯弹性体(乙烯的摩尔比;丙烯;二烯= 62-82: 17:1-5,在混合之前或期间用过氧化物或其他硫化剂硫化)5-25重量%,小的氨基酸。 的抗氧化剂,即2,6-二叔丁基-4-甲基苯酚,以及添加剂。

Patent Agency Ranking