Chemistry: natural resins or derivatives; peptides or proteins; – Lignins or derivatives – Compound which includes phenolic hydroxy or oxygen...
Patent
1990-01-04
1991-11-19
Nutter, Nathan M.
Chemistry: natural resins or derivatives; peptides or proteins;
Lignins or derivatives
Compound which includes phenolic hydroxy or oxygen...
530504, 525 544, C07G 100, C08L 9700
Patent
active
050667904
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'Alelro
De Oliveira Willer
Glasser Wolfgang G.
Kelley Stephen S.
Nieh Li S.
Center For Innovative Technology
Nutter Nathan M.
Virginia Polytechnic Institute and State University
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