Process for the production of polyhydroxy lignin-cellulose silic

Details Process for the production of polyhydroxy lignin-cellulose silic Process for the production of polyhydroxy lignin-cellulose silic

1982-09-01

1983-04-19

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521122, 521154, 524 14, 527100, 527103, 527302, 527301, 527401, C08H 500

Patent

active

043805922

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 prodice polyurethane silicate foam and be used for insulation.

REFERENCES:
patent: 4247657 (1981-01-01), Blount
patent: 4313857 (1982-02-01), Blount
patent: 4314916 (1982-02-01), Blount

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