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                 Study on heat resistance of SBA-15 mesoporous molecular sieve/
                                    waterborne polyurethane composites


                                                      Wang Zhongfa
                            (Shaanxi Jintai Chlor-Alkali Chemical Co., Ltd., Yulin 718100, Shaanxi, China)
                 Abstract: Waterborne polyurethane (WPU) and SBA-15 mesoporous molecular sieves with different mass
             fractions were blended to obtain composite materials by blending modification. Meanwhile, the composites
             were characterized by TEM, SEM, FT-IR and TG. The results showed that the heat resistance of the composite
             WPU/SBA-15 was higher than that of waterborne polyurethane, and SEM analysis showed that SBA-15
             mesoporous molecular sieve could be uniformly dispersed in waterborne polyurethane. However, TEM analysis
             showed that SBA-15 mesoporous molecular sieves had a little agglomeration in waterborne polyurethane.
                 Key words: waterborne polyurethane; mesoporous molecular sieve; heat resistance; composite materials
                                                                                                         (R-03)















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