Wachshaltige Gemische zum UEberziehen einer Unterlage

摘要

Coating compositions comprise wax and a copolymer having an intrinsic viscosity of 2 to 8 dl./g. in decalin at 150 DEG C. and being represented by a recurring structure where R is where m is 4 to 24, x, y and z are 0 or 1, x + y is 1 and x + z is 1; or where R is where m is 4 to 9. The wax may be a paraffinic, isoparaffinic or microcrystalline wax, or mixture thereof. The compositions may also contain polyethylene or copolymers of ethylene with higher olefins, vinyl acetate or ethyl acrylate; fillers; oxidation inhibitors and stabilizers; and may be used for coating paper, boards, fibres, cloth and feed products. Examples describe compositions of paraffinic and isoparaffinic distillate waxes, microrystalline wax and residual waxes with copolymers of ethylene and 1,5-hexadiene, cyclopentene or vinylcyclohexane.ALSO:Coating compositions comprise wax and a copolymer having an intrinsic viscosity of 2 to 8 dl./g. in decalin at 150 DEG C. and being represented by a recurring structure -[CH2-CH2)m-R-where R is where m is 4 to 24, x, y and z are each 0 or 1, x+y is 1 and x+z is 1 ; or where R is where m is 4 to 9. The wax may be a petroleum wax, e.g. paraffin and/or microcrystalline wax. The copolymers may be prepared by copolymerizing ethylene with cyclopentene, 1,5-hexadiene or vinyl cyclohexane, e.g. in the presence of an inert hydrocarbon solvent and a catalyst formed from an aluminium trialkyl and titanium trichloride or vanadium tetrachloride. The compositions may contain polyethylene or copolymers of ethylene with higher olefins, vinyl acetate or ethyl acrylate, fillers, oxidation inhibitors and stabilizers and may be used for coating paper, boards, fibres, cloth and food products. Examples describe the preparation of copolymers of ethylene with (I) 1,5-hexadiene, (III) cyclopentene and (V) vinyl cyclohexane, and compositions of these polymers with waxes.