Patent ID: 7939484
Filing Date: 2011-05-10
Classification: C08F,C11D

Abstract:
1. A method for reducing the adhesion forces between a hard surface and subsequently occurring soil characterized in that the method comprises the step of treating the hard surface with a liquid composition comprising one or more copolymers A which comprise a2) 1 to 50% by weight of one or more of the repeating structural units of the formula (2) where R R Y is O or NH and m and n are the stoichiometric coefficients relating to the ethylene oxide units (EO) and propylene oxide units (PO) and are, independently of one another, 0 to 50, where the sum of m and n must on average be ≧1 and the distribution of the EO and PO units over the -[EO] and b) 49.99 to 98.99% by weight of one or more of the repeating structural units of the formula (3) where R Z is (C X is selected from the group consisting of H