C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/62 (2006.01) A61K 31/14 (2006.01) C09K 8/66 (2006.01) C09K 8/80 (2006.01) C11D 1/62 (2006.01)
Patent
CA 2628498
Viscoelastic compositions are disclosed herein containing an effective amount of one or more random or structurally defined polycationic quaternary ammonium compounds for controlling the viscoelasticity of the composition. In at least one aspect, the present technology provides polycationic quaternary ammonium compounds comprising dissymmetric bis-quaternary compounds. In another aspect, the present technology provides viscoelastic compositions comprising polycationic quaternary ammonium compounds that comprise dissymmetric bis- quaternary compounds. In yet another aspect, the present technology provides polycationic quaternary ammonium compounds comprising a carboxylate functional polycationic quaternary ammonium compound. Preferred viscoelastic compositions of the present technology maintain viscoelasticity at a temperature greater than about 80~ C, preferably greater than about 100~ C or about 110~ C when the amount of the one or polycationic quaternary compounds is less than about 10% by weight based on the total weight of the composition.
Compositions viscoélastiques contenant une quantité efficace d'un ou plusieurs composés d'ammonium quaternaire polycationiques aléatoires ou définis structurellement qui permettent de contrôler la viscoélasticité de la composition. Selon au moins un aspect, la technologie décrite concerne des composés d'ammonium quaternaire polycationiques qui comprennent des composés bis-quaternaires dissymétriques. Selon un autre aspect, les compositions comprennent des composés d'ammonium quaternaire polycationiques qui comprennent des composés bis-quaternaires dissymétriques. Selon un autre aspect encore, on décrit des composés d'ammonium quaternaire polycationiques qui comprennent un composé d'ammonium quaternaire polycationique carboxylate fonctionnel. De préférence, les compositions viscoélastiques considérées conservent leur viscoélasticité à une température supérieure à environ 80° C, de préférence à environ 100° C ou à environ 110° C lorsque la quantité d'un ou plusieurs composés d'ammonium quaternaire polycationiques est inférieure à environ 10 %, en poids, par apport au poids total de la composition.
Mbm Intellectual Property Law Llp
Stepan Company
LandOfFree
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