发明名称 CYCLIC OLEFIN RESIN PELLET AND METHOD OF MANUFACTURING THE SAME
摘要 PROBLEM TO BE SOLVED: To provide pellets for molding comprising molded cyclic olefin resin enabling a molding excellent in yield of products in a continuous operation suppressing generation of black spots, and a method of manufacturing the pellets for molding. SOLUTION: The pellets for molding comprises a cyclic olefin polymer including <=100 ppm of oxygen, and a method of obtaining pellets including <=100 ppm of oxygen by heating the pellets comprising the cyclic olefin based polymer in a stream of an inert gas.
申请公布号 JP2002114820(A) 申请公布日期 2002.04.16
申请号 JP20000307028 申请日期 2000.10.06
申请人 MITSUI CHEMICALS INC 发明人 NISHIJIMA SHIGETOSHI;HIROSE TOSHIYUKI;UEDA SADANOBU;MAENO MASAO
分类号 G02C7/00;B29B9/00;B29B13/00;C08F210/00;C08F232/00;C08F255/00;C08F277/00;C08F283/14;C08G61/08;C08J3/12;C08J5/00;G02B1/04;G11B7/24;G11B7/253 主分类号 G02C7/00
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