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25 March 2005, Volume 1 Issue 3

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分析探讨

Waterproof and moisture permeability of polyurethane transfer coated fabrics

XU Xu-fan~;WANG Shan-yuan~

JOURNAL OF TEXTILE RESEARCH. 2005, 1(3):  82-84. 

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Coated fabrics were produced by transfer coating processes using water-borne and non-water-borne polyurethane resins. The size of formation porosity, contact angles,waterproof and permeability of fabrics coated by polyurethane were tested and studied.It showed that water-nonborne polyurethane coated fabrics have better waterproof but less permeability only by porosity free diffusing, while water-borne polyurethane coated fabrics have better permeability but low waterproof because of both porosity free diffusing and molecular transportation diffusing.They can be satisfied with waterproof and permeability in harmony.