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US5696185A Aqueous polymer dispersions 失效
聚合物水分散体

Aqueous polymer dispersions
摘要:
Aqueous dispersions of polymers which have a high glass transition temperature and a low average molecular weight and contain a specific amount of methacrylic acid as polymerized units are suitable, in liquid or dried form, as additives for improving the flow behavior of cement-containing mineral building materials having binding properties.
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