Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymerizing in two or more physically distinct zones
Patent
1975-12-08
1977-09-13
Holler, Alan
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymerizing in two or more physically distinct zones
526 65, 526 87, C08F 200
Patent
active
040484130
ABSTRACT:
Copolymer substantially free from compositional drift can be produced in a batch-type addition copolymerization process to a high degree of conversion by initiating the reaction in a monomer-containing phase (optionally dispersed in another phase of a reaction mixture) containing the monomers at mole ratios f.sub.i such that the monomers will initially be incorporated into copolymer at the desired mole ratios F.sub.i and sustaining the reaction while simultaneously controlling the addition each monomer to the phase in which the copolymerization reaction is continuing according to the relation
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Douthitt Merton H.
Holler Alan
SCM Corporation
Wilkens James B.
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