Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymerizing in two or more physically distinct zones
Patent
1981-07-13
1985-06-25
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymerizing in two or more physically distinct zones
525243, 526 88, C08F 218
Patent
active
045255458
ABSTRACT:
An improved process is disclosed for forming polymeric materials by a multistep, emulsion/suspension polymerization procedure. The improvement comprises using homogenization to disperse the monomeric reactants during the initial emulsion polymerization portion or portions of the multistep polymerization reaction to thereby reduce the amount of emulsifier that would be present for potential emulsifier-suspending agent interference during the later suspension polymerization portion or portions of the process. This improvement yields a cleaner reaction.
REFERENCES:
patent: 3189583 (1965-06-01), McCaw
patent: 3370105 (1968-02-01), De Bell
General Electric Company
Michl Paul R.
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