Process for the preparation of a filled polyolefin molding mater

Details Process for the preparation of a filled polyolefin molding mater Process for the preparation of a filled polyolefin molding mater

1987-05-12

1988-09-27

Lilling, Herbert J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524430, 524141, 524786, 427302, 4273855, 428407, C08K 320, C08K 308, C08F 244, C08L 2302

Patent

active

047742690

ABSTRACT:
A filled polyolefin molding material having a very high filler content and containing no filler-free polymer and no polymer-free filler is obtained when the Ziegler catalyst is initially formed on the filler and the catalyst-charged filler is then used for the polymerization without addition of further catalyst or activator. The molding material is highly suitable, in particular when it has a high content of aluminum powder, for the production of molded parts having good thermal conductivity and a high electrical volume resistance.

REFERENCES:
patent: 3503785 (1970-03-01), Kruse
patent: 3950303 (1976-04-01), Lipscomb
patent: 4241112 (1980-12-01), Kostandov et al.
patent: 4293673 (1981-10-01), Hamer et al.
patent: 4564647 (1986-01-01), Hayashi et al.
patent: 4705648 (1987-11-01), Reichert et al.

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