The effect of average soft segment lengt
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Darren J. Martin; Gordon F. Meijs; Pathiraja A. Gunatillake; Simon J. McCarthy;
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Article
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1997
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John Wiley and Sons
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English
โ 333 KB
๐ 2 views
A series of eight thermoplastic polyurethane elastomers were synthesized from 4,4-methylene diphenyl diisocyanate (MDI) and 1,4-butanediol (BDO) chain extender, with poly(hexamethylene oxide) (PHMO) macrodiol soft segments. The PHMO molecular weights employed ranged from 433 g/mol to 1180 g/mol. All