The surface hydrophobicity of the samples coated with TDI/castor oil is improved greatly compared with the pure TPS,while the samples coated with TDI/PEG have poor hydrophobicity.

• TDI/蓖麻油体系涂层样品表面的疏水性能与TPS相比有了很大的改善,而TDI/PEG涂层样品表面的疏水性差;