C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
117/125, 94/55,
C08K 5/17 (2006.01) C08K 5/54 (2006.01) C09K 3/18 (2006.01)
Patent
CA 1169174
Abstract A road surface has fixed thereon a salt which lowers the freezing point of water by means of an aqueous fixation composition which comprises a mixture of an adhesion- promoting agent formed by an aqueous dispersion of a film- forming polymer or copolymer and a water-soluble hydrophobic agent which, in air, becomes insoluble in water. The proportion by weight of hydrophobic agent relatively to the dry extract of the adhesion-promoting agent is from 5 to 25%. The fixation composition is used in a proportion such that all the adhesion-promoting agent and the hydrophobic agent represents, in dry weight, from 10 to 120% of the weight of the salt. The aqueous fixation composition may in addition possibly comprise a foam-inhibiting agent and/or a second hydrophobic agent.
362254
Dubois Pierre-Yves
Dubois Robert
Kirby Eades Gale Baker
Selfixat S.a.
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