Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1980-09-05
1981-09-01
Lieberman, Paul
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C08L 7504, C08L 7506
Patent
active
042873142
ABSTRACT:
An advantageous blend suitable for compression molding, injection molding, or general molding of plastic articles is prepared by mechanically mixing at an elevated controlled temperature a polyurethane resin and a resin derived from copolymerization maleimide and styrene.
REFERENCES:
patent: 3179716 (1965-04-01), Brvin
patent: 3385909 (1968-05-01), Haag
patent: 3426099 (1969-02-01), Freifeld
ARCO Polymers, Inc.
Ewbank John R.
Lieberman Paul
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