发明授权
- 专利标题: Catalyst composition for the polymerization of olefins
- 专利标题(中): 用于烯烃聚合的催化剂组合物
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申请号: US20537171申请日: 1971-12-06
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公开(公告)号: US3819598A公开(公告)日: 1974-06-25
- 发明人: GALIANO F , RANKIN D , KELLUM G , KING T
- 申请人: GULF RESEARCH DEVELOPMENT CO
- 专利权人: Gulf Research and Development Co
- 当前专利权人: Gulf Research and Development Co
- 优先权: US20537171 1971-12-06
- 主分类号: C08F4/00
- IPC分类号: C08F4/00 ; C08F4/06 ; C08F4/24 ; C08F10/00 ; C08F1/66 ; C08F3/06
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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