The present invention relates to a process for producing a hydroxy amino polymer comprising the steps: a) Reaction of an H functional starter compound bearing at least one Zerewitinoff active H atom with an unsaturated, cyclical carboxylic acid anhydride and at least one alkylene oxide compound for obtaining a prepolymer bearing hydroxyl groups, b) Addition of a primary amine and/or of ammonia to the double bond(s) of the prepolymer bearing hydroxyl groups obtained according to step a) for obtaining the hydroxy amino polymer,

wherein the ratio of added amino groups to hydroxyl groups in a hydroxy amino polymer is at least 0.6. Furthermore, the invention relates to a hydroxy amino polymer, which can be achieved according to this process as well as a polyurea/polyurethane system, which contains such a hydroxy amino polymer.

The present application relates to a resin or polymer system suitable for two-component compositions, and a resin or polymer system configured for durable coatings with only thin coating weights. The resins and polymer systems of this invention provide high performance extremely thin, low gloss coatings with excellent adhesion, abrasion, scratch and chemical resistance The resins include a polyester component with one or more polyester polyols having a hydroxyl value of about 50 to about 300 and a polyurea component with one or more polyester polyol grafted polyurea polymers having a hydroxyl value of about 20 to about 100. These resin or polymer systems and two-component solvent borne coating compositions including such resin or polymer systems are surprisingly capable of achieving strong adhesion, excellent linear abrasion, and high chemical resistance all at the same time in a dry film thickness of about 2 mil or less, in some instances, about 1.2 mils or less, and in other instances, even about 1 mil or less.

The present invention relates to a process for producing a hydroxy amino polymer comprising the steps: a) Reaction of an H functional starter compound bearing at least one Zerewitinoff active H atom with an unsaturated, cyclical carboxylic acid anhydride and at least one alkylene oxide compound for obtaining a prepolymer bearing hydroxyl groups, b) Addition of a primary amine and/or of ammonia to the double bond(s) of the prepolymer bearing hydroxyl groups obtained according to step a) for obtaining the hydroxy amino polymer,
wherein the ratio of added amino groups to hydroxyl groups in a hydroxy amino polymer is at least 0.6. Furthermore, the invention relates to a hydroxy amino polymer, which can be achieved according to this process as well as a polyurea/polyurethane system, which contains such a hydroxy amino polymer.

The invention relates to coating compositions which have a low VOC (less than 250 g/l), are fast drying, and have excellent erosion resistance. These coating compositions comprise a film forming resin comprise one or more polyamine(s) containing secondary amine groups and specific aliphatic and/or aromatic esters. The coating compositions are particularly suitable for use in coating wind blades. The present invention also relates to a method of protecting a substrate against rain erosion or solid particle erosion using the coating composition, a coated wind blade or a part thereof, and the use of specific ester(s) in a polyurea-based coating composition for improving the rain erosion resistance or solid-particle erosion resistance of a coating.

A composition includes a first component A including at least one polyaspartic ester P1 and a second component B including an aliphatic polyisocyanate B1, an isocyanate prepolymer B2 and an isocyanate-functional polyurethane polymer B3, wherein the weight ratio B1/B2/B3 is in the range of 1-4:1-4:5. The composition is notable for providing a floor coating system, especially for carpark floors, which cures below 4 C., preferably below 10 C., and ensures sufficient applicability and long open time to be roller applied.

The present disclosure provides for a metal chelated polyol liquid and/or a metal chelated polyether polyol liquid that can be used in an isocyanate-reactive composition and a reaction mixture for forming a polyurethane polymer. The metal chelated polyester polyol liquid is a reaction product of a chelating polyester polyol having a chelating moiety and a metal compound having a metal ion. The metal chelated polyether polyol liquid is a reaction product of a chelating polyether polyol having a chelating moiety and a metal compound having a metal ion. The chelating moiety of the chelating polyester polyol or the chelating polyether polyol chelates the metal ion to form the metal chelated polyester polyol liquid or the metal chelated polyether polyol liquid, respectively, having a mole ratio of the metal ion to the chelating moiety of 0.05:1 to 2:1.

The present invention relates to a selective process for producing polyurethane prepolymers, to the polyurethane prepolymers obtainable from this process, and also to a process for producing moisture-crosslinking silylated polymers, more particularly silane-functional hybrid polymers, and also to the use thereof in CASE sectors (coatings, adhesives, sealants and elastomers).

The present invention relates to a method for producing a mixture comprising at least one compound having at least two hydroxy and/or amino groups made of a biomass material. The invention also relates to such a mixture and to the use thereof for producing a polymer such as for example a polyurethane foam.

A multi-component composition includes an isocyanate-reactive compound, an isocyanate compound, a source of chemically bound water, optionally a catalyst, and optionally a CO.sub.2 scavenger. A process for preparing a polyurea polymer by curing that multi-component composition with the source of chemically bound water. The polyurea polymer obtainable by that process and also the use of a specific source of chemically bound water for curing that multi-component composition.

An object of the present disclosure is to provide a golf ball paint resin from which a golf ball having improved spin performance on approach shots (particularly improved spin performance on approach shots from the rough), excellent ball surface wear resistance, and excellent stain resistance to shots from the bunker can be obtained. The present disclosure provides a golf ball paint resin satisfying a relationship of 0.101/M101.00, wherein a test piece formed from the golf ball paint resin is deformed until a strain of the test piece becomes a predetermined value max and then the deformation of the test piece is decreased until a stress of the test piece becomes 0 kgf/cm.sup.2 in a tensile test conducted under the following test conditions, and M10 (kgf/cm.sup.2) is a stress at which a strain of the test piece is 10% during increase in the deformation, and 1 (%) is a strain at which a stress of the test piece is 0 kgf/cm.sup.2 during decrease in the deformation,

<Test Conditions> dimension of test piece: width of 4 mm and thickness of 100 m10 m distance between clamps: 20 mm measuring temperature: 23 C. tensile speed during increase in the deformation: 1.1 mm/second returning speed during decrease in the deformation: 1.1 mm/second load data acquisition points per second: 50 strain setting value: 10 mm (max=50%).