Abstract: The present invention involves an aqueous surface treatment agent for polymer fibers on the basis of a resin preparation, characterized in that it contains1-30 percent by weight of a polar phenoplast of the resol type2-40 percent by weight of a copolymer, crosslinkable with resols, of a radical polymerizable, aromatic hydroxymethyl and/or methyl halogen compound andwater to make 100 percent by weight, wherein, if desired, up to 5 percent by weight further adhesion promoters can be present.This invention also involves the use of the surface treatment agent for the modification of organic or inorganic polymer fibers, preferably polyamide or polyimide fibers, particularly aromatic polyimide fibers, and a process for the modification of polymer fibers.

Abstract: The invention involves the use of aluminum salts of a fatty acid mixture of fatty acids having 12 to 22 carbon atoms consisting ofA. from 42% to 50% by weight of mono-olefinically unsaturated fatty acids, wherein at least 42% by weight are oleic acid,B. from 42% to 48% by weight of saturated fatty acids, wherein at least 42% by weight are saturated fatty acids having 16 to 18 carbon atoms, andC. from 2% to 10% by weight of poly-olefinically unsaturated fatty acids,As a mold releasing agent for the release of polyurethane foams from molds.

Abstract: This invention relates to the use of salts of diamines having the formula ##EQU1## where R.sub.3 is alkylene having 2 to 4 carbon atoms and R.sub.1 and R.sub.2, together or separately, are hydrogen or alkyl having 1 to 8 carbon atoms, with an anion component having the formulaR--X.sup.-where X.sup.- is --SO.sub.3 .sup.- or --OCO.sub.3 .sup.- and R is a hydrocarbon radical having 6 to 26 carbon atoms which may be interrupted or substituted by groups containing heteroatoms, as parting agents for natural and synthetic elastomer compositions.