Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1982-04-16
1983-12-20
Lieberman, Allan
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525213, 525215, 525231, C08L 700, C08L 900, C08L 906, C08L 1502
Patent
active
044219008
ABSTRACT:
A blend of natural and synthetic rubbers having processability and improved green strength and building tack is provided. The blend comprises from about 5 to 55 parts by weight of natural rubber, from about 30 to 50 parts by weight of a conjugated diene-containing synthetic rubber and, from about 5 to 50 parts by weight of a substituted acrylamide-containing synthetic rubber. The latter synthetic rubber comprises from about 0.3 to 10 percent by weight of an N-(alkoxymethyl)acrylamide monomer, based upon the weight of the substituted acrylamide-containing rubber.
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Hall Daniel N.
Lieberman Allan
The Firestone Tire & Rubber & Company
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