C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/18 (2006.01)
Patent
CA 2231805
A composition for use as a de-icing fluid comprising a glycol based aqueous solution thickened with about 0.01 to about 5.0% by weight of a cross- linked hydrophobically modified copolymer of an acrylic acid which has a Brookfield mucilage viscosity of at least 25,000 cP at 0.5% by weight polymer dosage, a holdover time of at least 60 minutes, a shear thinning index of at least 20, and a shear loss of less than 15% and acceptable aerodynamic performance.
Composition utile comme fluide de dégivrage, renfermant une solution aqueuse à base de glycol, épaissie avec environ 0,01 à environ 5,0 % en poids d'un copolymère réticulé d'acide acrylique, modifié par voie hydrophobe, possédant une viscosité Brookfield d'au moins 25000 cP à 0,5 % en poids de dose de polymère, une durée d'efficacité d'au moins 60 minutes, un indice de fluidification d'au moins 20, un module de perte ne dépassant pas 15%, et un rendement aérodynamique acceptable.
Noveon Ip Holdings Corp.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
The B.f. Goodrich Company
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