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Compounding polymeric and filler materials to produce high filler concentrates
Compounding polymeric and filler materials to produce high filler concentrates
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机译:复合聚合物和填充料以生产高填充料
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摘要
A method of compounding a polymeric matrix material with a non-thermoplastic filler material which includes delivering to a compounding machine a first feed comprising the polymeric matrix material and a second feed comprising particles of the non-thermoplastic filler material, mixing the feeds in the compounding machine to form a mixed material and heating and compounding the mixed material in the compounding machine whereby the polymeric material therein is softened to facilitate intimate coating of the particles of the filler material thereby, and wherein the improvement comprises delivering the material of at least one of the feeds in a heated state to the compounding machine whereby heat input to the mixed material is provided by heating of the material of the feed externally to the compounding machine as well as by heating in the compounding machine.
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