Process for the production of autocrosslinkable polymers

Details Process for the production of autocrosslinkable polymers Process for the production of autocrosslinkable polymers

C - Chemistry, Metallurgy

08

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402/128, 402/2

C08G 71/04 (2006.01) C08F 8/00 (2006.01) C08F 8/30 (2006.01) C08G 73/00 (2006.01) C08G 85/00 (2006.01)

Patent

CA 1052937

A PROCESS FOR THE PRODUCTION OF AUTOCROSSLINKABLE POLYMERS ABSTRACT OF THE DISCLOSURE Storable, autocrosslinkable polymers containing N-alkoxy- methyl groups are obtained by reacting 5-alkoxymethyl-1,3,4- dioxazol-2-ones with a polymer having an average molecular weight above 600 and an average of more than one Zerewitinoff- active hydrogen atom in the molecule in the presence of a catalytic quantity of at least an alkali metal salt. The new catalysts allow to carry out the reaction at a temperature in the range from 50° to 110°C and guarantee a complete reaction of the reactants into uncrosslinked but autocross- linkable light-stable end products.

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