发明授权
US3819598A Catalyst composition for the polymerization of olefins 失效
用于烯烃聚合的催化剂组合物

Catalyst composition for the polymerization of olefins
摘要:
AN IMPROVED CATALYST COMPOSITION FOR THE POLYMERIZATION OF MONO 1-OLEFINS COMPRISING CHROMIUM OXIDE SUPPORTED ON A PRECIPITATE, POROUS SILICA HAING A SURFACE AREA OF NOT LESS THAN 150 SQUARE METERS PER GRAM AND WHEREIN THE AVERAGE DIAMETER OF THE SILICA PARTICLES IS LESS THAN 0.0005 MILLIMETER.
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