Process for producing hydrogenated c9 petroleum resin and...

C - Chemistry – Metallurgy – 08 – F

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C08F 240/00 (2006.01) C08F 4/14 (2006.01) C08F 8/04 (2006.01) C08L 57/02 (2006.01) C09J 157/02 (2006.01)

Patent

CA 2312242

Disclosed is a process for preparing a hydrogenated C9 petroleum resin, the process comprising hydrogenating a C9 petroleum resin obtained by polymerizing polymerizable monomers of a C9 fraction using a non-phenolic Friedel-Crafts catalyst in the presence or absence of a non-phenolic molecular weight modifier. The hydrogenated C9 petroleum resin obtained according to the present invention retains the characteristics of known hydrogenated C9 petroleum resins and has high thermal stability, good light resistance, and remarkably low fluorescence.

La présente invention concerne un procédé de production de résine de pétrole en C9 hydrogénée. Il s'agit de polymériser des monomères polymérisables contenus dans une fraction en C9 avec utilisation d'un catalyseur non phénolique de Friedel-Crafts, en présence ou non d'un régulateur non phénolique, puis d'hydrogéner la résine de pétrole en C9 ainsi obtenue. Ce procédé donne une résine de pétrole en C9 hydrogénée qui conserve intacts les propriétés des résines de pétrole en C9 hydrogénées, et qui reste stable à la chaleur, qui présente une bonne résistance à la lumière, et qui fait preuve d'un très faible développement de couleurs fluorescentes.

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