Hardenable composition, hardening product, process for...

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 83/05 (2006.01) C08K 5/057 (2006.01) C08K 5/54 (2006.01) C08K 5/541 (2006.01) C08K 5/55 (2006.01) C08L 63/00 (2006.01) H01L 23/29 (2006.01) H01L 33/00 (2006.01)

Patent

CA 2483510

A hardenable composition from which a hardening product of high adherence and high transparency or a hardening product of high toughness and high transparency can be produced. In particular, a hardenable composition comprising an organic compound having, per molecule, at least two reactive carbon to carbon double bonds and SiH groups (A), a silicon compound having, per molecule, at least two SiH groups (B), a hydrosilylating catalyst (C), a silane coupling agent and/or an epoxidized compound (D) and a silanol condensation catalyst (E). There is further provided a light emitting diode sealed with the hardening product obtained by hardening the hardenable composition.

L'invention porte sur une composition durcissable à partir de laquelle il est possible de produire un produit durcissant de haute adhérence et grande transparence ou un produit durcissant de grande résistance et grande transparence. Cette composition durcissable comprend notamment un composé organique possédant, par molécule, au moins deux liaisons doubles réactives carbone-carbone et des groupes SiH (A), un composé de silicium possédant, par molécule, au moins deux groupes SiH (B), un catalyseur d'hydrosilylation (C), un agent de couplage de silane et/ou un composé époxidé (D) et un catalyseur de condensation de silanol (E). L'invention porte également sur une diode émettrice de lumière scellée avec le produit durcissant obtenu par durcissement de la composition durcissable.

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