Semisuspension polymerization processes

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526199, 526200, 526201, 526 88, 526202, 526233, 526234, 526263, 5263031, 5263077, 526316, 5263171, 5263231, 526328, 5263297, 526334, 526342, 526345, 526346, C08F 220, C08F 224, C08F 2014

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050434047

ABSTRACT:
A process for the preparation of polymeric particles which comprises mixing at least one monomer with a polymerization initiator, a crosslinking component and a chain transfer component; effecting bulk polymerization until partial polymerization results; dispersing the aforementioned partially polymerized monomer product in water containing a stabilizing component to obtain a suspension of particles in water and polymerizing the resulting suspension.

REFERENCES:
patent: 3954898 (1976-05-01), Hirota
patent: 4486559 (1984-12-01), Murata et al.
patent: 4680200 (1987-07-01), Solc
patent: 4702988 (1987-10-01), Fukumoto et al.

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