Method of producing prepolymers from hydroxyalkyl lignin derivat

Details Method of producing prepolymers from hydroxyalkyl lignin derivat Method of producing prepolymers from hydroxyalkyl lignin derivat

1990-08-20

1992-04-07

Nutter, Nathan M.

Chemistry: natural resins or derivatives; peptides or proteins;

Lignins or derivatives

Compound which includes phenolic hydroxy or oxygen...

527400, C07G 100, C08L 9700

Patent

active

051029928

ABSTRACT:
A method of producing prepolymeric materials from lignin is disclosed. The method uses lignin which has been hydroxyalkyl modified, such that the lignin is substantially non-phenolic and solvent soluble and/or liquid. The modified lignin is reacted with materials which yield prepolymers which may be polymerized according to known methods to produce useful polymers.

REFERENCES:
patent: 3546199 (1970-12-01), Christian et al.
patent: 3905926 (1975-09-01), D'Alelio
Glasser et al, "Engineering Plastic from Lignin", J. Applied Polymer Science, vol. 29, 1815-1830 (1984).

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