Solvent free aqueous polyurethane dispersions and methods of making and using the same
申请人:Air Products and Chemicals, Inc.
公开号:EP2332998A1
公开(公告)日:2011-06-15
Substantially solvent-free aqueous polyurethane dispersions and methods of making and using the same are provided. The substantially solvent-free aqueous polyurethane dispersions are provided in a substantially solvent-free system of a prepolymer made by reacting at least one polyol, at least one polyisocyanate, at least one isocyanate-reactive compound comprising one or more ionic or potential ionic groups, and at least one isocyanate chain terminating agent.
提供了基本无溶剂的水性聚氨酯分散体及其制造和使用方法。基本无溶剂的水性聚氨酯分散体是在基本无溶剂的预聚物体系中提供的,该预聚物是由至少一种多元醇、至少一种多异氰酸酯、至少一种包含一个或多个离子或潜在离子基团的异氰酸酯反应化合物和至少一种异氰酸酯链终止剂反应而成。