Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1983-12-19
1985-06-04
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
524848, C08K 501
Patent
active
045215693
ABSTRACT:
Impact styrene polymers, prepared in stratified polymerizers wherein one polymerizing zone is recirculated and a solvent is employed, can have improved environmental stress crack resistance when an aliphatic hydrocarbon is utilized as solvent rather than an aromatic or cycloaliphatic solvent.
REFERENCES:
patent: 3819764 (1974-06-01), Halasa
patent: 3996311 (1976-12-01), Westphal
patent: 4153647 (1979-05-01), Glukhovskoi
Arends Charles B.
Bubeck Robert A.
Ingraham R. B.
Michl Paul R.
The Dow Chemical Company
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