Research on the structural properties of polyurethane sealant
The classification of polyurethane sealants,the effects of soft soft segment,hard segment,molecular weight and crosslinking degree on the properties of polyurethane,and the effects of raw materials such as polyether,isocyanate,and chain extender on the properties of polyurethane sealants were introduced.The recent research progress of polyurethane sealants was summarized.
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