Aryl-popyphenylphosphonates

C - Chemistry – Metallurgy – 07 – C

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402/356, 400/765

C07C 39/24 (2006.01) C07C 39/12 (2006.01) C07F 9/40 (2006.01) C08L 67/02 (2006.01) C09K 3/00 (2006.01) D06M 13/21 (2006.01)

Patent

CA 1039744

PRECIS DE LA DIVULGATION: La présente invention concerne de nouveaux composés pour l'obtention d'ignifugeants polymériques. Ces nouveaux composés sont des diphénols de formule générale : Image où n = 0 ou 2. Par réaction sur le chlorure de phosphonyle, sont obtenus de nouveaux polyphénylphosphonates aromatique ayant des unités de récurrence de formule générale : Image dans laquelle n vaut 0 ou 2. Les polyphénylphosphonates aromati- ques, selon la présente demande, sont destinés à l'ignifugation de polyesters.

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