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Hydrogen bonding and crystallization behaviour of segmented polyurethaneurea: effects of hard segment concentration

✍ Scribed by Yuying Xiu; Zhiping Zhang; Dening Wang; Shengkang Ying; Junxian Li

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
400 KB
Volume
33
Category
Article
ISSN
0032-3861

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Effect of soft segment crystallization and hard segment physical crosslink on shape memory function in antibacterial segmented polyurethane ionomers
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Shape memory polyurethane (SMPU) ionomers containing constant 75 wt.% soft segment content were synthesized using poly(e-caprolactone)diol, 4,4 0 -diphenylmethane diisocyanate, 1,4-butanediol and/or N,N-bis(2-hydroxyethyl)-isonicotinamide. To introduce substrate bonding antibacterial activity, pyrid