Alpha-olefin polymers with syndiotactic structure

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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Details

526160, 526348, 5263482, 5263486, C08F21014, C08F21008

Patent

active

053916727

ABSTRACT:
Syndiotactic polymers of alpha-olefins selected from the group consisting of 1-butene, 4-methyl-1-pentene and 4-methyl-1-hexene and a method of preparation thereof by polymerizing said olefins with catalysts obtained from specific Zr or Hf cyclopentadienyl compounds and aluminoxane compounds.

REFERENCES:
patent: 4791180 (1988-12-01), Turner
patent: 4892851 (1990-01-01), Ewen et al.
patent: 5157092 (1992-10-01), Asanuma et al.
patent: 5187250 (1993-02-01), Asanuma et al.

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