发明授权
- 专利标题： Opacified molded product
- 专利标题（中）： 可视模制产品
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申请号： US499630申请日： 1990-03-27
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公开(公告)号： US5082900A公开(公告)日： 1992-01-21
- 发明人: Takashi Kuroda , Kazuhiro Yamada , Tadao Ishibashi , Suetou Hayashida , Kyoichiro Kimura , Masaru Sameshima
- 申请人： Takashi Kuroda , Kazuhiro Yamada , Tadao Ishibashi , Suetou Hayashida , Kyoichiro Kimura , Masaru Sameshima
- 申请人地址： JPX both of JPX both of
- 专利权人： Chisso Corporation,Maruzen Petrochemical Co., Ltd.
- 当前专利权人： Chisso Corporation,Maruzen Petrochemical Co., Ltd.
- 当前专利权人地址： JPX both of JPX both of
- 优先权： JPX1-74919 19890329; JPX1-78293 19890331
- 主分类号： B29B11/14
- IPC分类号： B29B11/14 ; B29K23/00 ; C08J5/18 ; C08L23/10 ; C08L23/12 ; C08L57/02
摘要：
The present invention relates to an opacified molded product composed mainly of a polypropylene resin. More particularly, according to the present invention, there are provided an opacified stretched molded product having a total light transmittance of 50% or less and a density of 0.89 or less comprising a composition comprising 100 parts by weight of polypropylene and 3 to 40 parts by weight of a cyclopentadiene petroleum resin and/or a hydrogenated cyclopentadiene petroleum resin, the molded product being a product stretched in at least one direction. Also provided are a resin composition comprising 100 parts by weight of a crystalline polypropylene and 30 to 40 parts by weight of a copolymer resin comprising a copolymer of a cyclopentadiene compound and an aromatic hydrocarbon or its hydrogenated product, a stretched molded product thereof.
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