Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1990-02-16
1991-04-23
Bowers, Jr., Charles L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528326, 528354, 528259, 528370, 528392, 528393, C08G 6914, C08G 6308, C08G 6702
Patent
active
050101668
ABSTRACT:
A process and an apparatus for producing a novel polyol polymer is disclosed. The process comrises combining at an elevated reaction temperature and for a predetermined period of time an (1) addition-polymerizable monomer that is also a free-radical initiator together with an (2) ethylenically-unsaturated monomer that has a nucleophilic or an electrophilic moiety. The elevated temperature is so chosen as to be effective for initiating desired "addition copolymerization" of the addition-polymerizable monomer with the ethylenically-unsaturated monomer. The process further comprises combining with the addition-polymerizable monomers, at a preselected superatmospheric pressure, a polymerizable carbonyl carbon-containing ringed molecule. The superatmospheric pressure is so chosen, at the elevated temperature, as to cause the ring portion of the ringed molecule to open in the vicinity of the carbonyl carbon thereof in response to the presence of the nucleophilic or the electrophilic moiety of the ethylenically-unsaturated monomer expressly excluding utilization of a catalyst for the carbonyl carbon-containing ringed molecule.
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Kruse Rodger C.
Larsen Lisa M.
Scholsky Kevin M.
Bowers Jr. Charles L.
Doody Patrick A.
S. C. Johnson & Son Inc.
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