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US4298511A Urethane rheology modifiers and compositions containing same 失效
聚氨酯流变改性剂和含有它的组合物

Urethane rheology modifiers and compositions containing same
摘要:
Rheology modifiers useful in water-and organic solvent-based compositions are derived from the reaction of polyalkylene oxide, polyfunctional material, diisocyanate and water. The modifiers are characterized by having a branched structure and containing substantially no terminal hydrophobic groups.
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