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Artificial Urushi
Author(s) -
Kobayashi Shiro,
Uyama Hiroshi,
Ikeda Ryohei
Publication year - 2001
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/1521-3765(20011119)7:22<4754::aid-chem4754>3.0.co;2-5
Subject(s) - cardanol , gloss (optics) , phenol , curing (chemistry) , laccase , polymerization , catalysis , cashew nut , polyphenol , materials science , chemistry , adhesive , organic chemistry , chemical engineering , polymer , coating , polymer chemistry , antioxidant , epoxy , enzyme , engineering , food science , layer (electronics)
A new concept for the design and laccase‐catalyzed preparation of “artificial urushi” from new urushiol analogues is described. The curing proceeded under mild reaction conditions to produce the very hard cross‐linked film (artificial urushi) with a high gloss surface. A new cross‐linkable polyphenol was synthesized by oxidative polymerization of cardanol, a phenol derivative from cashew‐nut‐shell liquid, by enzyme‐related catalysts. The polyphenol was readily cured to produce the film (also artificial urushi) showing excellent dynamic viscoelasticity.