Process for the production of autocrosslinkable polymers contain

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

1976-03-09

1977-12-20

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 775AB, 526 9, 526 16, C08G 6338, C08G 1800

Patent

active

040641104

ABSTRACT:
Storable, autocrosslinkable polymers containing N-alkoxymethyl 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.degree. to 110.degree. C and guarantee a complete reaction of the reactants into uncrosslinked but autocrosslinkable light-stable end products.

REFERENCES:
patent: 3531425 (1970-09-01), Burk et al.
patent: 3652507 (1972-03-01), Burk et al.
patent: 3702320 (1972-11-01), Fritok et al.
patent: 3766147 (1973-10-01), Wolgemuth
patent: 3813365 (1974-05-01), Frisch et al.
patent: 3932361 (1976-01-01), Russell et al.

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