Lignin reinforced synthetic rubber

Details Lignin reinforced synthetic rubber Lignin reinforced synthetic rubber

1983-01-27

1984-10-16

Foelak, Morton

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 72, 524424, C08L 9700

Patent

active

044776128

ABSTRACT:
A novel lignin reinforced synthetic rubber comprises 100 parts of a substituted acrylamide-containing synthetic rubber and from about five to 100 parts by weight of lignin, based upon the weight of said synthetic rubber. The substituted acrylamide-containing synthetic rubber, in turn, comprises from about 45 to 99 percent by weight of a conjugated diene monomer, from about 0.5 to 40 percent by weight of a monomer containing a vinyl group and copolymerizable with said conjugated diene monomer and, from about 0.5 to 15 percent by weight of an N-(alkoxymethyl)acrylamide monomer, the weight of each said monomer component being based upon the total weight of said substituted acrylamide-containing synthetic rubber. The synthetic rubber can optionally contain other SBR rubber and/or some carbon black. It has been found to possess better properties than standard SBR filled with lignin, with or without carbon black.

REFERENCES:
patent: 2844549 (1958-07-01), Provost
patent: 3037963 (1962-06-01), Cristenson
patent: 3118852 (1964-01-01), Christenson et al.
patent: 3247139 (1966-04-01), Christenson et al.
patent: 4308353 (1981-12-01), Saito et al.

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