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Glanzstoff AG
Vereinigte Glanzstoff Fabriken AG
Original Assignee
Glanzstoff AG
Vereinigte Glanzstoff Fabriken AG
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Publication date
Application filed by Glanzstoff AG, Vereinigte Glanzstoff Fabriken AGfiledCriticalGlanzstoff AG
Publication of ES307253A1publicationCriticalpatent/ES307253A1/en
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications
(AREA)
Compositions Of Macromolecular Compounds
(AREA)
Abstract
A process for improving the stability of polyolefins, characterized in that purified polyolefin powder is dispersed in an inert hydrocarbon, is added to the dispersion between 0.1 and 1% by weight of a trivalent or pentavalent phosphorus compound of the formulas PCl3 or PCl R1 R2, in which R1 and R2 are an alkyl radical having 1 to 18 carbon atoms or an aryl, aralkyl or cycloalkyl radical and R1 can also be a Cl atom, or POCl3 and between 0.01 and 0, 1% by weight of an organic peroxide (amounts always referred to the polyolefin) and the dispersion is stirred at temperatures between 60º C and the boiling point of the dispersing medium, between 30 minutes and 5 hours, the dispersing medium is filtered with suction and wash several times with dispersing medium. (Machine-translation by Google Translate, not legally binding)
ES0307253A1964-01-311964-12-18A procedure for improving the stability of poliolephins. (Machine-translation by Google Translate, not legally binding)
ExpiredES307253A1
(en)
Procedimiento the obtención de esteres of phosphoric phosphoric acid or bi-tionophophophoric or tionophphophonic. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of esters of phosphoric, phosphonic, tionophosphoric and tionophosphonic acid. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of esters of phosphoric, phosphonic, phosphinic and thiophosphoric acid (-phosphonic, -phosphinic) (Machine-translation by Google Translate, not legally binding)