Loop reactor for emulsion polymerisation

Details Loop reactor for emulsion polymerisation Loop reactor for emulsion polymerisation

2006-09-11

2010-12-28

Cheung, William K (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymerizing in tubular or loop reactor

C526S070000, C526S068000, C526S069000, C422S132000

Reexamination Certificate

active

07858715

ABSTRACT:
Method of emulsion polymerization wherein a reactor comprising a closed reactor loop is continuously charged with fresh monomers and water phase at substantially the same rate as the rate of an overflow of reactor charge discharged into a secondary line section. The reactor charge is continuously recirculated within the reactor loop. The discharge rate and the circulation rate in the loop are balanced such as to result in a monomer content in the loop of less than 12 wt. %. The secondary line section has a volume of less than twice the volume of the reactor loop.

REFERENCES:
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patent: 6569961 (2003-05-01), Adams
patent: 0 096 201 (1983-12-01), None
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International Search Report, PCT International Application No. PCT/EP2006/066212, dated Nov. 20, 2006.

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