Suggested is a method for modifying the rheology of a casting resin and/or coating composition, comprising the following steps: providing a composition comprising at least one monomer capable of forming a casting resin or coating upon polymerisation; and adding to said composition a working amount of a urea urethane obtained under specific conditions as a thixotropic agent.

Suggested is a method for modifying the rheology of a casting resin and/or coating composition, comprising the following steps: providing a composition comprising at least one monomer capable of forming a casting resin or coating upon polymerisation; and adding to said composition a working amount of a urea urethane obtained under specific conditions as a thixotropic agent.

The present invention relates to a crosslinking agent for polymeric systems, which crosslinking agent comprises elemental sulfur, phenolic resin, thiazole disulfide compounds and metal salts based on thiocarbamates, and to the use thereof in vehicle manufacture.

The present invention relates to a crosslinking agent for polymeric systems, which crosslinking agent comprises elemental sulfur, phenolic resin, thiazole disulfide compounds and metal salts based on thiocarbamates, and to the use thereof in vehicle manufacture.

A mixture can be used for modifying the rheology of polymeric substrates. The mixture contains a hydroxylamine ester and an isocyanate functionalized with a thio compound.

A mixture can be used for modifying the rheology of polymeric substrates. The mixture contains a hydroxylamine ester and an isocyanate functionalized with a thio compound.

A nitrile group-containing copolymer rubber including 10 to 60 wt % of an α,β-ethylenically unsaturated nitrile monomer unit a nd 1 to 60 wt % of an α,β-ethylenically unsaturated dicarboxylic a cid monoester monomer unit, and having an iodine value of 120 or 1 ess, wherein a processability index Ipro (Ipro=CC×SA) is 0.003 0 or less, where the processability index Ipro is the product of the carboxyl group content CC, which is the number of moles of carboxyl groups per 100 g of nitrile group-containing copolymer rubber, and the absorbance area SA of a carboxylic anhydride group determined by infrared spectroscopy.

A nitrile group-containing copolymer rubber including 10 to 60 wt % of an α,β-ethylenically unsaturated nitrile monomer unit a nd 1 to 60 wt % of an α,β-ethylenically unsaturated dicarboxylic a cid monoester monomer unit, and having an iodine value of 120 or 1 ess, wherein a processability index Ipro (Ipro=CC×SA) is 0.003 0 or less, where the processability index Ipro is the product of the carboxyl group content CC, which is the number of moles of carboxyl groups per 100 g of nitrile group-containing copolymer rubber, and the absorbance area SA of a carboxylic anhydride group determined by infrared spectroscopy.

A triurethane compound may be used to modify rheology. An aqueous composition may include such a triurethane compound and the viscosity of an aqueous composition may be controlled using the triurethane compound.

The present invention relates to a vulcanisable composition for forming a nitrosamine free sulphur modified polychloroprene vulcanisate and to a method for making the same.