C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 3/00 (2006.01) C08L 23/02 (2006.01) C08L 71/02 (2006.01) C08L 25/14 (2006.01) C08L 51/06 (2006.01) C08L 71/00 (2006.01)
Patent
CA 2268277
Objective: the objective of the present invention lies in offering a method of producing a resin composition having stable resin extrusion properties and uniform performance. Constitution: a method of manufacturing a thermoplastic resin composition which is characterized in that, when blending a polymer (A) containing polyether chains as structural units and a polyolefin (B), the polymer (A) containing polyether chains as structural units is first melt- blended with a copolymer (C) of a vinyl compound and an unsaturated dicarboxylic acid or derivative thereof and/or a compatibilizing agent (D), after which the polyolefin (B) is then blended; together with moulded articles or moulded packaging materials obtained by means of this method.
L'invention concerne un procédé de production d'une composition de résine présentant des propriétés d'extrusion de résine stables et une performance homogène. Ce procédé se caractérise en ce que, lors d'un mélange d'un polymère (A), contenant des chaînes de polyéther comme unités structurales, et d'un polyoléfine (B), le polymère (A) est d'abord mélangé en étant fondu avec un copolymère (C) d'un composé de vinyle et un acide dicarboxylique non saturé ou un dérivé de ce dernier et/ou un agent de compatibilité (D). Ensuite, le polyoléfine (B) est mélangé. L'invention concerne également des articles moulés ou des matériaux d'emballage moulés obtenus selon ce procédé.
Bouilloux Alain
Ishino Kiyotaka
Kuratsuji Takatoshi
Maillet Jerome
Atofina
Elf Atochem S.a.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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