Candle wax stabilized by a combination of uv absorber plus a...

Details Candle wax stabilized by a combination of uv absorber plus a... Candle wax stabilized by a combination of uv absorber plus a...

C - Chemistry, Metallurgy

11

C

C11C 5/00 (2006.01) C08K 5/3435 (2006.01) C08K 5/3475 (2006.01) C08L 91/06 (2006.01)

Patent

CA 2397713

Candle wax containing a combination of a UV absorber, preferably a benzotriazole, in combination with a hindered amine which is substituted on the N-atom by an alkoxy, a cycloalkoxy or an hydroxy-substituted alkoxy moiety is surprising better stabilized than candle wax which contains a combination of a UV absorber and a conventional hindered amine where the N-atom is substituted by hydrogen or alkyl.

Une cire de bougie contenant une combinaison d'un absorbeur UV, de préférence un benzotriazole, combiné avec une amine empêchée qui est substituée sur l'atome N par un alcoxy, un cycloalcoxy ou une fraction alcoxy à substituant hydroxy, est stabilisée, de manière surprenante, bien mieux qu'une cire de bougie renfermant une combinaison d'un absorbeur UV et d'une amine empêchée conventionnelle où l'atome N est substitué par un hydrogène ou un alkyle.

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