Addition of organic initiators during the pressure drop in...

Details Addition of organic initiators during the pressure drop in... Addition of organic initiators during the pressure drop in...

2008-03-07

2010-11-16

Cheung, William K (Department: 1796)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S081000, C526S228000, C526S344200, C526S227000

Reexamination Certificate

active

07834110

ABSTRACT:
The invention pertains to a process to polymerize one or more monomers wherein one or more initiators and optionally one or more surfactants are added to a polymerization mixture when the pressure in the polymerization reactor is dropping. This process allows a shorter polymerization time due to a higher pressure drop rate at the end of the polymerization reaction. Moreover, the cooling capacity of the polymerization reactor is used more efficiently.

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