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Synthesis and properties of polyurethane resins based on liquefied wood

✍ Scribed by Yuping Wei; Fa Cheng; Houping Li; Jiugao Yu

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
169 KB
Volume
92
Category
Article
ISSN
0021-8995

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Polycaprolactone containing carboxyl groups (CPCL, M n ϭ 1200) was prepared from caprolactone (CL) and dimethylol propionic acid (DMPA). Based on the CPCL, 4,4Ј-diphenylmethane diisocyanate (MDI) and 1,4-butanediol (BD), a novel series of polyurethane ionomers could be synthesized with ions in the s