SIMS and XPS studies of polyurethane surfaces 2. Polyurethanes with fluorinated chain extenders
β Scribed by M. J. Hearn; D. Briggs; S. C. Yoon; B. D. Ratner
- Book ID
- 104591970
- Publisher
- John Wiley and Sons
- Year
- 1987
- Tongue
- English
- Weight
- 587 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0142-2421
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π SIMILAR VOLUMES
Linear segmented polyurethanes based on poly(buty1ene adipatels (PBA) of different molecular weight ( M , 2000,1000, and 600), 4,4'-diphenylmethane diisocyanate (MDI) and the mesogenic diol 4,4'-bis-(6-hydroxyhexoxy)biphenyl (BHHBP) as well as the unsegmented polyurethane consisting of MDI/BHHBP uni
Biodegradable segmented polyurethanes (BSPUs) were prepared with poly(caprolactone) as a soft segment, 4,4'-methylene bis (cyclohexyl isocyanate) and either butanediol (BSPU1) or dithioerythritol (BSPU2) as a chain extender. BSPU samples were characterized in terms of their physicochemical propertie
## SYNOPSIS Four series of thermotropic polyurethane elastomers (TPUEs) were synthesized in this study. The hard segments were formed by using 4,4'-methylenedicyclohexyl diisocyanate (H,,MDI) reacted with various mesogenic units, such as benzene-1,4-di(4-iminophenoxyn-hexanol), benzene-1,4-di(4-im