The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 04, 1977
Filed:
Dec. 18, 1973
Lodewijk Roskott, Gorssel, NL;
Arnold Schroeder, Deventer, NL;
Akzona, Incorporated, Asheville, NC (US);
Abstract
A process for the polymerization of vinyl or vinylidene-group-containing esters in the presence of a free radical generating compound as an initiator and a metal compound as an accelerator comprising, as an initiator, an organic peroxidic composition consisting essentially of a compound having the general formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 may be the same or different and each represents hydrogen, branched or unbranched alkyl, if desired substituted by hydroxy, alkoxy, alkoxycarbonyl or halogen, aryl, if desired substituted by alkyl, hydroxy, alkoxy or halogen, or aralkyl wherein the aryl group may be substituted by alkyl, hydroxy, alkoxy or halogen, and wherein R.sub.1 together with R.sub.2, R.sub.3 together with R.sub.4, and R.sub.1 together with R.sub.4 form a branched or unbranched alkylene group, and R.sub.1 together with R.sub.2 and R.sub.3 form a branched or unbranched alkylylidene group.