Polymerisation inhibitor

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 15/44 (2006.01) C07B 63/04 (2006.01) C07C 7/20 (2006.01) C07C 11/08 (2006.01) C07C 11/167 (2006.01) C07C 51/50 (2006.01) C07C 57/075 (2006.01) C07C 67/62 (2006.01) C07C 69/54 (2006.01) C07C 253/32 (2006.01) C07C 255/08 (2006.01)

Patent

CA 2261064

A monomer composition, stabilised against premature polymerisation, comprising: a) an ethylenically unsaturated monomer or mixture of monomers polymerisable by free radical initiation, and b) an effective amount, sufficient to inhibit premature polymerisation of component (a) of a mixture of: i) 1 to 99 % by weight, based on the total weight of components (i) and (ii) of a mixture of at least one aromatic amine and at least one organic acid in a molar ratio of 10:1 to 1:10, and ii) 99 to 1 % by weight based on the total weight of components (i) and (ii) of at least one stable radical compound.

Composition monomère stabilisée contre une polymérisation prématurée et comprenant: (a) un monomère ou un mélange de monomères éthylèniquement insaturés polymérisables par déclenchement de radicaux libres, et (b) une quantité efficace, suffisante pour inhiber la polymérisation prématurée du constituant (a), d'un mélange de: (i) 1 à 99 % en poids, sur la base du poids total des constituants (i) et (ii) d'un mélange d'au moins une amine aromatique et au moins d'un acide organique selon un rapport molaire de 10:1 à 1:10, et (ii) 99 à 1 % en poids sur la base du poids total des constituants (i) et (ii) d'au moins un composé de radicaux stables.

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