Process for the preparation of a diol

Details Process for the preparation of a diol Process for the preparation of a diol

C - Chemistry, Metallurgy

07

C

C07C 67/297 (2006.01) C07C 67/29 (2006.01) C07C 69/54 (2006.01) C08F 120/20 (2006.01) G02B 1/04 (2006.01)

Patent

CA 2367370

There is provided a process for the preparation of a polymerisable composition comprising a cross-linker and a polymerisable monomer of formula (I) comprising the steps of: (i) contacting a compound of formula (II) with an immobilised acid, wherein X, Y, Z, R1, P and Q are independently selected from a hydrocarbyl group or hydrogen and wherein A is (CH2)n wherein n is 0 or 1; (ii) neutralising the product of step (i) such that the cross-linker is formed.

L'invention concerne un procédé de préparation d'une composition polymérisable comprenant un agent de réticulation et un monomère polymérisable de la formule (I). Ce procédé consiste à (i) mettre un composé de la formule (II) en contact avec un acide immobilisé, X, Y, Z, R<1>, P et Q étant indépendamment choisis dans un groupe hydrocarbyle ou un hydrogène, et A étant (CH2)n où n vaut 0 ou 1, et à (ii) neutraliser le produit de l'étape (I) de manière à former l'agent de réticulation.

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