Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carbohydrate or derivative as a reactant
Patent
1982-04-27
1983-05-03
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carbohydrate or derivative as a reactant
521151, 521154, 524733, 524735, 527105, 527300, 527301, 527303, 527311, C08L 100
Patent
active
043821367
ABSTRACT:
An alkali metal broken-down plant silicate polymer is reacted with a Lewis acid and an epoxide compound to produce a polyhydroxy lignin-cellulose polymer which may be reacted with polyisocyanates to produce polyurethane silicate foam and be used for insulation.
REFERENCES:
patent: 4260696 (1981-04-01), Blount
patent: 4281110 (1981-07-01), Blount
patent: 4283311 (1981-08-01), Blount
patent: 4313857 (1982-02-01), Blount
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