BPA/DEG (hydroxy) is 1/2 and use it as the chain extender prepared room temperature film forming one-component anion waterbome polyurethane waterproof coating.

• 以BPA/DEG(羟基)为1/2作为混合扩链剂,可制得室温成膜单组分阴离子型水性聚氨酯防水涂料。