PROCESSES FOR PREPARING MULTIMODAL POLYMER PARTICLE COMPOSITIONS

A multimodal polymer particle composition containing two or more populations of polymer particles having a total rubbery weight fraction of less than 90 weight percent is provided. Also disclosed is a process for preparing multimodal polymer particle compositions that can be dried to a powder. Multi...

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Bibliographische Detailangaben
1. Verfasser: ADAMO, JOSEPH ROBERT
Format: Patent
Sprache:eng ; spa
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Zusammenfassung:A multimodal polymer particle composition containing two or more populations of polymer particles having a total rubbery weight fraction of less than 90 weight percent is provided. Also disclosed is a process for preparing multimodal polymer particle compositions that can be dried to a powder. Multimodal polymer particle dispersions are disclosed for preparing impact modifiers that can be dried to a powder. Also provided are polymeric compositions having a matrix resin component and impact modifiers prepared from multimodal polymer particles. Se proporciona una composicion de particulas de polimero multimodal que contiene dos o mas poblaciones de particulas de polimero que tienen una fraccion en peso ahulada total inferior a 90 por ciento en peso. Tambien se describe un proceso para preparar composiciones de particulas de polimero multimodales que puede secarse a un polvo. Dispersiones de particulas de polimero multimodales se describen para preparar modificadores de impacto que pueden secarse a un polvo. Tambien se proporcionan composiciones polimericas que tienen un componente de resina de matriz y modificadores de impacto preparados a partir de particulas de polimero multimodales.