发明授权
US5725815A Foam control agents for the food, paint and paper industries 失效
用于食品,油漆和造纸工业的泡沫控制剂

Foam control agents for the food, paint and paper industries
摘要:
The process of controlling foam in a foam-generating system by adding to the system a foam-inhibiting effective amount of a block copolymer containing alkylene oxide units obtained by reacting a homopolymer or copolymer of alkylene oxides with a diisocyanate or a dicarboxylic acid derivative containing 2 to 44 carbon atoms.
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