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- W2384456427 abstract "A novel set of polycarbonate-based polyurethane were prepolymerized by 1,6-hexamethylene diisocyanate and polycarbonate diol,and then chain-extended by lysine ethyl ester dihydrochloride,1,4-butanediol and 2,2-dimethylol propionic acid.The polyurethane films were prepared by the solvent evaporation method.The polyurethane films were characterized by FT-IR and AFM.The mechanical properties were tested to study the influence of different soft-segment,hard-segment and the chain-extender content on the mechanical strength of PU.The polyurethane chain-extended by lysine ethyl ester dihydrochloride was utilized for cell culture to test its toxicity.Experimented data show that the mechanical properties of films increase with increasing of hard-segment content.The mechanical strength of the films chain-extended by lysine ethyl ester dihydrochloride is the best among three chain-extenders.Meanwhile,the initial cell culture experiments show that the film has good compatibility cells." @default.
- W2384456427 created "2016-06-24" @default.
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- W2384456427 date "2008-01-01" @default.
- W2384456427 modified "2023-09-25" @default.
- W2384456427 title "Preparation of Polyurethane Chain-Extended by Lysine Ethyl Ester" @default.
- W2384456427 hasPublicationYear "2008" @default.
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