Preparation of granular stereoregular butene-1 polymers in a flu

Details Preparation of granular stereoregular butene-1 polymers in a flu Preparation of granular stereoregular butene-1 polymers in a flu

1983-12-20

1985-03-05

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 88, 5263486, 526901, 526905, 526908, C08F 444, C08F 200, C08F 1004

Patent

active

045032033

ABSTRACT:
Granular stereoregular butene-1 polymers having a high isotactic content, and an extractables content of no more than about 15 weight percent in boiling ethyl ether, are produced over a continuous extended period of time in a low pressure gas phase fluidized bed process, in the absence of liquid diluent components, with a stereospecific olefin polymerization catalyst under a selected set of operating conditions.

REFERENCES:
patent: 26517 (1969-01-01), Natta et al.
patent: 3152106 (1964-10-01), Mostert
patent: 3168484 (1965-02-01), Engel et al.
patent: 3580898 (1971-05-01), Rosen et al.
patent: 3678023 (1972-07-01), Frese
patent: 3922322 (1975-11-01), Roger et al.
patent: 3925338 (1975-12-01), Ort

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