Abstract

ABSTRACTThe thermal insulation composite were prepared by blending aqueous polyurethane and modified SiO2 aerogel, and then coating to the surface of fabric. The influence of the content of SiO2 aerogel and polyurethane, crosslinking temperature and the particle size of SiO2 aerogel on thermal insulation rate of the composite fabric were detail analysis, the heat insulation, breathable, IR, SEM surface morphology of the composite fabric were evaluated. The thermal insulation rate of the SiO2 aerogel composite fabric is 28.97%, which is twice that of the original fabric. SiO2 aerogel composite fabric will have a wide range of application in the thermal insulation clothing, curtains, shoe materials, industrial equipment and building insulation, etc.

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