Process for preparing quick response pH-sensitive polyurethane film
Title：
Process for preparing quick response pH-sensitive polyurethane film
Application Number：
 02129617
Application Date：
 2002/09/04
Announcement Date：
 2003/03/12
Pub. Date：
Publication Number：
 1401686
Announcement Number：
 1246358
Grant Date：
 2006-3-22
Granted Pub. Date：
 2006-3-22
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C08G 18/12, C08G 18/28, C08J 5/18
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Tang Liming, Dai Yu
Key Words：
 preparing process, quick response, pH-sensitive, polyurethane film
Abstract：
 A process for preparing high-response pH-sensitive polyurethane film includes reaction of PEG and DMPA with excessive isocyanate to obtain prepolymer, reaction of its terminal group with HPA to produce acrylate group-capped prepolymer, adding to the aqueous solution of triethylamine, neutralizing of carboxylic group, mixing with diphenylketone, coating on flat glass with it, and solidifying by ultraviolet radiation.
Claim：
Priority：
PCT：
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