Method for improving wetting of water repellent soil

Details Method for improving wetting of water repellent soil Method for improving wetting of water repellent soil

C - Chemistry, Metallurgy

09

K

C09K 17/16 (2006.01) C09K 17/18 (2006.01)

Patent

CA 2463525

Water repellent soil is treated with low concentrations of EO/PO block copolymer having an HLB value of less than or equal to 2; an average molecular weight of greater than 3,000; and a percent hydrophile of 10 in order to rapidly increase the wetting rate of the water repellent soil.

L'invention concerne un sol hydrofuge traité avec de faibles concentrations d'un copolymère séquencé d'oxyde d'éthylène/d'oxyde de propylène doté d'une valeur HLB inférieure ou égale à 2, d'un poids moléculaire moyen supérieur à 3 000, et d'un pourcentage hydrophile de 10, en vue d'augmenter rapidement le taux de mouillage du sol hydrofuge.

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