C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/376
C08F 4/44 (2006.01) C08F 4/00 (2006.01) C08F 4/40 (2006.01) C08F 4/50 (2006.01)
Patent
CA 2209067
At least one of the monomers is polymerized or copolymerized in bulk, solution, emulsion or suspension, at a temperature as low as 0.degrees.C., in the presence of at least one radical generating compound and at least one metal complex catalyst with the formula Maa(L)n (M = Cu, Ag or Au A = Hal, pseudo-halogen or carboxylate ; L = ligands of M chosen among those with the formula (Y = N or P: Image R1, R2, R3, R4, R5 and R6 = H, C1-C10 alkyl, aromatic or heteroaromatic: Z1, Z2 and Z3 = one among Image Image Image : -NR19R20 (R7 to R18 = H, C1-C10 alkyl, aromatic or heteroaromatic : R19 and R20 = H, Hal, C1-C10, C1-C10 alcoxy or- (CR21R22) NR23R24, where R21, R22, R23, R24 = H, C1-C10 alkyl, aromatic or heteroaromatic, and r = integer from 1 to 10 ; at most two among Z1, Z2, and Z3 each also capable of representing H; o, p and q = integer from 1 to 10 and capable of equalling 0 unless the rest respectively Z1, Z2 or Z3 associated is -NR19R20; a = 1 or 2; n = 1, 2 or 3.
On polymérise ou copolymérise en masse, solution, émulsion ou suspension, à une température pouvant descendre jusqu'à 0°C, au moins un des monomères en présence d'au moins un composé générateur de radicaux et d'au moins un catalyseur complexe de métal de formule Maa(L)n (M = Cu, Ag ou Au ; A = Hal, pseudo-halogène ou carboxylate ; L = ligands de M choisis parmi ceux de formule (Y = N ou P : Image R1, R2, R3, R4, R5 et R6 = H, alkyle en C1-C10, aromatique ou hétéroaromatique: Z1, Z2 et Z3 = l'un parmi : Image Image Image : -NR19R20 (R7 à R18 = H, alkyle en C1-C10, aromatique ou hétéroaroma- tique : R19 et R20 = H, Hal, alkyle en C1-C10, alcoxy en C1-C10 ou- (CR21R22) NR23R24, où R21, R22 , R23 , R24 = H, alkyle en C1-C10, aromatique ou hétéroaromatique, et r = entier de 1 à 10 ; au plus deux parmi Z1, Z2 et Z3 pouvant en outre représenter chacun H; o, p et q = entier de 1 à 10 et peuvent en outre valoir 0 sauf si le reste respectivement Z1, Z2 ou Z3 associé est -NR19R20 ; a = 1 ou 2 ; n = 1, 2 ou 3. ,
Darcos Vincent
Lastecoueres Dominique
Matyjaszewski Krzysztof
Sanchez Laurent
Senninger Thierry
Elf Atochem S.a.
Robic
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