C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 295/00 (2006.01) C08F 2/48 (2006.01) C08F 4/00 (2006.01) C08F 290/04 (2006.01) C08J 3/28 (2006.01) C08L 33/08 (2006.01)
Patent
CA 2561169
A curable composition which has a low viscosity and gives a satisfactory cured rubber. It is a composition curable by both free-radical photocuring and cationic photocuring which comprises as essential components the following ingredients (A), (B), (C), and (D). (A) A vinyl polymer having two or more acryloyl or other groups per molecule, the acryloyl or other groups being present at one or more molecular ends. (B) An epoxy compound and/or an oxcetane compound. (C) A free-radical photopolymerization initiator. (D) A cationic photopolymerization initiator.
Il est prévu une composition vulcanisable de faible viscosité et produisant un caoutchouc vulcanisé satisfaisant. Il s'agit d'une composition vulcanisable à la fois par photocuisson radicalaire et photocuisson cationique comprenant comme composants essentiels les ingrédients suivants (A), (B), (C), et (D). (A) Un polymère vinyle ayant deux groupes acryloyles ou davantage ou d'autres groupes par molécule, le groupe acryloyle ou d'autres groupes étant présent dans une ou plusieurs extrémités moléculaires. (B) Un composé époxy et/ou un composé oxcétane. (C) Un initiateur de photopolymérisation radicalaire. (D) Un initiateur de photopolymérisation cationique.
Nakagawa Yoshiki
Okada Kenji
Kaneka Corporation
Osler Hoskin & Harcourt Llp
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