Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymer of an ethylenically unsaturated reactant with a...
Patent
1989-04-27
1990-04-03
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymer of an ethylenically unsaturated reactant with a...
526 62, C08G 6702
Patent
active
049141848
ABSTRACT:
In the process of producing linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon in the presence of a catalyst composition formed from a palladium compound, a bidentate ligand of phosphorus and a non-hydrohalogenic acid having a pKa below 2, lessened reactor fouling is encountered when the amount of acid initially provided is limited with additional acid being provided when polymerization has reached a certain minimum level.
REFERENCES:
patent: 3694412 (1972-09-01), Nozaki
Rosenbrand Gerrit G.
Salter James A.
Anderson Harold D.
Shell Oil Company
Vance Dean F.
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