Process and device for the production of plastics from at least

Details Process and device for the production of plastics from at least Process and device for the production of plastics from at least

1992-06-15

1995-12-19

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

422135, 422137, 422110, 422112, 3661584, C08F 200, G05D 700, B01F 1502

Patent

active

054766389

ABSTRACT:
The maintenance of the exact metering ratio during the production of plastics, particularly foams, from free-flowing reactants loaded with pulverulent to fine-grained or fibrous additives can be improved by mixing the additive in compacted form in a preliminary mixer with at least one of the reactants. The pressure in the preliminary mixer is kept constant.

REFERENCES:
patent: 3728056 (1973-04-01), Theysohn
patent: 3847022 (1974-01-01), McGinnis
patent: 4068831 (1978-01-01), Ebeling et al.
patent: 4242306 (1980-12-01), Kreuer et al.
patent: 4370302 (1983-01-01), Suzuoka et al.
patent: 4714747 (1987-12-01), Bruzzone et al.

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