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
1997-09-02
1999-11-09
Michl, Paul R.
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...
526 78, C08F 200
Patent
active
059816511
ABSTRACT:
A process comprising (1) polymerizing an organic phase of monomer in the presence of a carboxylic acid, an oil soluble chain transfer agent, and a partially water soluble chain transfer agent; and which polymerizing is accomplished in the presence of (2) an aqueous phase containing a nonionic surfactant, and an anionic surfactant, and wherein there is added to the aqueous phase an aqueous initiator solution of an inorganic persulfate, and wherein the resulting latex contains particles of polymer with carboxylic acid; aggregating said latex particles with colorant; thereafter adding an effective amount of anionic surfactant and heating the mixture resulting about equal to, or about above the polymer Tg resulting from said monomer, or said monomers.
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Hopper Michael A.
Kmiecik-Lawrynowicz Grazyna E.
Mychajlowskij Walter
Patel Raj D.
Michl Paul R.
Palazzo E. O.
Xerox Corporation
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