Process and device for the production of plastics from at least two free-flowing reactants
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United States of America Patent
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Dec 19, 1995
Issued Date -
N/A
app pub date -
Jun 15, 1992
filing date -
Dec 10, 1988
priority date (Note) -
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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.
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