摘要:
Strong reducing agents which are devoid of halogen atoms and certain silane compounds are used with supported bis(cyclopentadienyl)chromium (II) catalysts for the polymerization of olefins in order to obtain higher yields of polymer and allow for the use of supports which are activated at relatively low temperatures, and thus provide for a broader range of molecular weight distributions in the polymers made therewith.
摘要:
Silane compounds of the structure H3Si(SiH2)mH and R4 nSiHn wherein m is 0 to 3 inclusive, n is 0 to 3 inclusive and R is C1 to C10 hydrocarbon are used with supported bis(cyclopentadienyl)chromium (II) catalysts for the polymerization of olefins in order to improve the productivity of the catalyst.