Synthesis of polyurethane acrylates with tertiary amine moiety
A new type of photo curable co-initiator,polyurethane acrylates with tertiary amine moiety(APUA),is prepared,and the Michael-addition intermediate and APUA are analyzed,and their structure is characterized.The PUAA/benzophenone combined initiator is used in photo-curable systems and the photo-polymerization rates are determined by FT-IR.The results indicate that APUA can take part in photo-polymerization and increase the photo-polymerization rate and CC double bond conversion rate.The more APUA is used,the faster the photo-polymerization rate and the higher conversion of CC double bond can be.
polyurethane acrylates with tertiary amine moietysynthesisphoto curable properties
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