Process for producing highly amorphous propylene polymers

Details Process for producing highly amorphous propylene polymers Process for producing highly amorphous propylene polymers

1995-06-05

1996-10-15

Smith, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526351, C08F 4631, C08F 4633, C08F11006

Patent

active

055655327

ABSTRACT:
The invention disclosed herein includes a process for producing highly amorphous polypropylene and a highly amorphous polypropylene produced by this process comprising contacting propylene with (1) a catalyst comprising a titanium compound supported on a rare earth halide and (2) a metal alkyl cocatalyst wherein the metal is selected from the group consisting of groups II and III of the Periodic Table under conditions for producing a highly stereo- and regio-irregular amorphous propylene polymer.

REFERENCES:
patent: 3789036 (1974-01-01), Tingi et al.
patent: 4191816 (1980-03-01), Columberg
patent: 4317897 (1982-03-01), Herrmann et al.
patent: 4335225 (1982-06-01), Collette et al.
patent: 4524195 (1985-06-01), Martin
Boor Ziegler-Natta Catalyts and Polymeriezations. Academic Res N.Y. (1979) pp. 472-473.

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