Method for modifying graft polyolefins, compositions and...

Details Method for modifying graft polyolefins, compositions and... Method for modifying graft polyolefins, compositions and...

C - Chemistry, Metallurgy

08

F

C08F 8/44 (2006.01) C08F 220/00 (2006.01) C08F 255/00 (2006.01) C08F 255/02 (2006.01)

Patent

CA 2517400

Method for the modification of a graft polyolefin with acid or anhydride groups by means of at least partial neutralisation of said groups with at least one neutralising agent, comprising an organic salt (1) which liberates an organic acid (I) on neutralisation, whereby the organic acid (I) from the neutralisation of the graft polyolefin is reacted with at least one inorganic salt (2). The invention further relates to modified polyolefins, (which may be) obtained by the above method, a polymer composition comprising (A) at least one polymer and (B) at least one modified polymer, (which may be) obtained by the above method and an article comprising the modified polyolefin or the composition described above.

Procédé pour la modification d'une polyoléfine greffée avec des groupes acides ou anhydrides par neutralisation au moins partielle de ces groupes avec au moins un agent neutralisant comprenant un sel organique (1) libérant un acide organique (I) lors de la neutralisation, selon lequel on fait réagir l'acide organique (I) issu de la neutralisation de la polyoléfine greffée avec au moins un sel inorganique (2). Polyoléfine modifiée (susceptible d'être) obtenue par le procédé décrit ci-avant. Composition polymérique contenant (A) au moins un polymère, et (B) au moins une polyoléfine modifiée (susceptible d'être) obtenue par le procédé ci-avant. Article comprenant la polyoléfine modifiée ou la composition décrite ci-avant.

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