随意甲基化-β-环糊精对聚氨酯增稠剂黏度的调节

Control of the Viscosity of Polyurethane Thickener by Random Methylated β-Cyclodextrin

随意甲基化-β-环糊精(RM-β-CD)通过对聚氨酯增稠剂疏水基团的络合-解络作用可高效地调节体系黏度。这种作用可用来改善增稠剂的可泵性和可灌装性,简化生产工序并降低成本;使用这种聚氨酯增稠剂对涂料增稠时可提高增稠效率,并使得涂料更加环保,性能更加优良。

The random methylated-β- cyelodextrin（ RM-B- CD） can control effectively the viscosity of polyurethane thickener through the complexing - decomplexing of the hydrophobic groups, which can improve the pumping and filling properties of thickeners and simplify the production procedure and reduce the cost. Use of this kind of polyurethane thickener can increase the thickening performance effectively and bring the coatings more environmental friendly and better properties.