(meth)acrylic esters of polyalkoxylated trimethylolpropane

Details (meth)acrylic esters of polyalkoxylated trimethylolpropane (meth)acrylic esters of polyalkoxylated trimethylolpropane

C - Chemistry, Metallurgy

08

G

C08G 65/332 (2006.01) A61L 15/60 (2006.01) C07C 67/08 (2006.01) C07C 69/54 (2006.01) C08G 65/26 (2006.01)

Patent

CA 2488226

The invention relates to the novel (meth)acrylic esters of polyalkoxylated trimethylolpropane of formula (I) wherein AO independently represents EO, PO or BO, whereby EO represents O-CH2-CH2-, PO independently represents O-CH2- CH(CH3)- or O-CH(CH3)-CH2-, BO independently represents O-CH2-CH(CH2-CH3)- or O-CH(CH2-CH3)-CH2-, p1 + p2 + p3 equals 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74 or 75, and R1, R2, R3 independently represent H or CH3. The invention also relates to a simplified method for producing said esters and to the use of the reaction mixtures thereby obtained.

L'invention concerne de nouveaux esters (méth)acryliques de triméthylolpropane polyalcoxylé de formule (I) dans laquelle : les unités AO représentent indépendamment les unes des autres EO, PO ou BO, EO représentant O-CH¿2?-CH¿2?-, PO représentant indépendamment des autres unités O-CH¿2?-CH(CH¿3?)- ou O-CH(CH¿3?)-CH¿2?- et BO représentant indépendamment des autres unités O-CH¿2?-CH(CH¿2?-CH¿3?)- ou O-CH(CH¿2?-CH¿3?)-CH¿2?- ; p1 + p2 + p3 est égal à 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74 ou 75 ; R¿1?, R¿2?, R¿3? représentent indépendamment les uns des autres H ou CH3. L'invention se rapporte en outre à un procédé de production simplifié de ces esters ainsi qu'à l'utilisation des mélanges réactionnels productibles au moyen de ce procédé.

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