Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1996-02-20
1997-03-18
Sweet, Mark D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524572, 524575, C08L 900
Patent
active
056124074
ABSTRACT:
A process of making a solvent-free water-based emulsion of an anionically polymerized polymer which comprises: heating the polymer until its viscosity is no more than 3,000 centipoise, (b) mixing water with a surfactant, (c) adding the mixture of (b) to the polymer of (a) while agitating the polymer at high speed, thereby forming an emulsion, (d) cooling the emulsion to below 100.degree. C., and (e) optionally subjecting the emulsion to turbulent flow and/or cavitation. Also included are emulsions of such polymers.
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Haas Donald F.
Shell Oil Company
Sweet Mark D.
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