Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From sulfur-containing reactant
Patent
1991-10-07
1993-08-24
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From sulfur-containing reactant
528373, 528387, 528390, C08G 7516
Patent
active
052390519
ABSTRACT:
A method is provided for increasing reactant concentrations for the polymerization of PPS without creating a deterioration of the molecular weight of the resultant polymer by limiting the amount of by-product water present during the initial portion of the polymerization reaction.
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Geibel Jon F.
Inda John E.
Anderson Harold D.
Dollar Beverly M.
Phillips Petroleum Company
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