METHOD OF PRODUCING POLYOLEFINS
申请(专利)号: RU20100124607
专利号: RU2476446C2 主分类号: C08F10/00
申请权利人: JUNIVEJSHN
TEKNOLODZHIZ, LLK 公开国代码: RU 优先权国家: US
摘 要:
FIELD: chemistry.;SUBSTANCE: invention relates to production of polyolefin. Described is a method of preparing a polyolefin composition. The method is realised by reacting one or more olefin monomers in a single reactor. The reactor contains a bicomponent catalyst system and a chain-transfer agent. The method involves a step of changing concentration of the chain-transfer agent in the reactor in order to control high-boiling and low-boiling
fractions of the polyolefin composition. At least one condition in the reactor is controlled in order to change molecular weight distribution. Change in distribution results in the reverse direction of the melt flow index of the polymer and change in the second direction.;EFFECT: reduction in melt flow index with reduction in concentration of the chain-transfer agent.;22 cl, 6 dwg, 2 tbl, 2 ex
申请日: 2008-11-19 公开公告日: 2013-02-27
分类号: C08F10/00;
C08F10/02; C08F2/38 发明设计人: KUOLK TAEH
KHUN';
DEJVIS MARK B.; KAO SUN'CHUEH 申请国代码: RU
优先权: 20071120 US
61/003,792
摘 要 附 图:
主权项:
1. Способ изготовления полиолефиновой композиции, заключающийся в следующем:осуществляют взаимодейст
权 利 要 求 说 明 书
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METHOD OF PRODUCING POLYOLEFINS
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