B - Operations – Transporting – 29 – B
Patent
B - Operations, Transporting
29
B
B29B 9/12 (2006.01) B29B 9/16 (2006.01) B29B 17/02 (2006.01) C08J 11/06 (2006.01)
Patent
CA 2595089
This invention is directed to an improved method for cleaning contaminated polymer when that polymer is to be blended with clean material. The method involves combining the contaminated material and the clean material in a compartmentalized pellet wherein the contaminated material is placed in the outermost compartment, the clean material is placed in an inner compartment and then subjecting the pellet to an extraction process.
L'invention concerne un procédé amélioré de nettoyage de polymère contaminé lorsque ledit polymère doit être mélangé à une matière propre. Le procédé consiste à combiner la matière contaminée et la matière propre de manière à obtenir un granulé compartimenté, la matière contaminée étant placée dans le compartiment le plus à l'extérieur, la matière propre étant placée dans un compartiment intérieur, puis à soumettre le granulé à un procédé d'extraction.
Korwin Rebecca S.
Richardson Delane N.
Sisson Edwin A.
M. & G. Polimeri Italia S.p.a.
Macrae & Co.
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