Process for the production of polyisocyanate lignin-cellulose pl

Details Process for the production of polyisocyanate lignin-cellulose pl Process for the production of polyisocyanate lignin-cellulose pl

1980-09-08

1982-03-02

Griffin, Ronald W.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 84, 521125, 521130, 521175, 528 44, 528 85, C08G 1802, C08J 902, C08L 100

Patent

active

043177522

ABSTRACT:
This invention relates to a process for preparing polyisocyanate lignin-cellulose plastics by reaction of a lignin-cellulose polymer with a compound having at least two isocyanate groups to produce a lignin-cellulose polyisocyanate prepolymer. The prepolymer is then reacted with an organic compound to produce a polyisocyanate cellulose plastic.

REFERENCES:
patent: 4153764 (1979-05-01), Blount
patent: 4153768 (1979-05-01), Blount
patent: 4170697 (1979-10-01), Blount
patent: 4220757 (1980-09-01), Blount
patent: 4226982 (1980-10-01), Blount
patent: 4246819 (1981-01-01), Dahms

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