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发表时间：2018-01-01

发表刊物：功能材料

卷号：49

期号：5

页面范围：5174-5179

ISSN号：1001-9731

摘要：TiO2 particles were synthesized with precipitation method.The SEM results showed that the particles are rounded spheres with average diameter of 660 nm.The polyurethane composites were prepared by dispersing the TiO2 particles in the matrix,and the structure were observed by SEM.The results indicate that 0-3 type composites with particles dispersing in the matrix were prepared without applied electric field,and the 1-3 type-like composites with particles arranging oriented were prepared upon applied electric field.The dynamic vis-coelasticity and creep properties of the two kinds of polyurethane composites were tested and compared.The re-sults indicate that the 1-3 type-like polyurethane composites containing TiO2 particles have higher storage mod-ulus and much stronger creep resistance than 0-3 type composites.

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