C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
31/102, 260/681
C07C 15/16 (2006.01) C07C 2/86 (2006.01) H01B 3/22 (2006.01) H01G 4/22 (2006.01)
Patent
CA 2037126
his invention involves compounds characterized by the fact that they consist of at least one isomer or a mix of benzyltoluene isomers with formula (A1): Image with n1 and n2 = 0, 1 or 2 knowing that n1 + n2 is less than or equal to 3; and at least one isomer or a mix of (methylbenzyl) xylene isomers with formula (A2): Image (A2) with q1 and q2 = 0, 1 or 2 knowing that q1 + q2 is less than or equal to 3. These mixes are used as low-temperature dielectric liquids. The invention also involves a process to prepare each of the A1 and A2 isomer mixes.
La présente invention concerne des compositions caracterisées en ce qu'elle comprend au moins un isomère ou un mélange d'isomères du benzyltoluène de formule (A1): Image avec n1 et n2 = 0, 1 ou 2 sachant que n1 + n2 est inférieur ou égal à 3; et au moins un isomère ou un mélange d'isomères du (méthylbenzyl) xylène de formule (A2): Image (A2) avec q1 et q2 = 0, 1 ou 2 sachant que q1 + q2 est inférieur ou égal à 3. Ces mélanges sont utilisés comme liquides diélectriques à basse température. L'invention concerne également un procédé pour préparer chacun des mélanges d'isomères A1 et A2.
Berger Noelle
Commandeur Raymond
Jay Pierre
Atochem
Robic
LandOfFree
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