Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant which is a cellular material derived from...
Patent
1988-01-26
1989-12-19
Kight, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant which is a cellular material derived from...
523512, 523527, 524599, 427386, C08B 322
Patent
active
048884030
ABSTRACT:
The process for producing a plastic-like cured woody molding, which comprises applying a pressure necessary for plasticizing at least a woody component at temperature of from 120.degree. C. to 180.degree. C. to a composition comprising (A) an oligoesterified woody material obtained by alternately adding a polybasic acid anhydride and a monoepoxy compound having unsaturated double bond to the hydroxy groups of a woody material and (B) an oligomer obtained from a polybasic acid anhydride and a monoepoxy compound having unsaturated double bond with the addition of (C) a radical polymerization initiator to simultaneously perform the plasticization and crosslinking by the polymerization of the unsaturated double bonds. The plastic-like cured woody moldings thus obtained have dense and glossy surfaces and are particularly excellent in dimensional stability, mechanical properties and heat distortion temperature.
REFERENCES:
patent: 4464510 (1984-08-01), Czvikovszky et al.
patent: 4663163 (1987-05-01), Hou et al.
Matsuda Hideaki
Mori Hideki
Ueda Minoru
Kight John
Krass Frederick
Okura Kogyo Kabushiki Kaisha
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