Abstract: Provided is a two-component polyurethane composition, comprising, (a) an isocyanate component that comprises: at least one aromatic isocyanate compound, and (b) a polyol component that comprises: at least one polyether polyol compound, a sulfide-free urea or a derivative thereof, an alcohol chain extender, wherein the isocyanate component and polyol component have an NCO/OH ratio of from 0.9:1 to 1.2:1. Also provided are a product prepared using the polyurethane composition, and the preparation method thereof.

Abstract: Provided is a polyurethane adhesive composition, comprising, (a) a polyol component, comprising a phosphate modified polyol and a vegetable oil modified polyol, and (b) an isocyanate component, comprising an NCO-terminated polyurethane prepolymer that is the reaction product of (i) a polyester polyol based on a dimeric acid and an aromatic dicarboxylic acid, and (ii) an isocyanate monomer.

Abstract: Methods may include detaching a battery pack adhered to a substrate by a multilayer composition, including: heating the multilayer composition to a detachment temperature above 60° C. the multilayer composition comprising one or more thermoplastic primer layers having a transition temperature in the range of 60° C. to 120° C., and one or more thermoset adhesive layers; and separating one or more layers of the multilayer composition to detach the battery pack from the substrate, wherein the substrate has a surface energy of 35 dynes/cm or greater.

Abstract: A polyurethane composition is provided. The polyurethane composition comprises (A) a polyurethane-prepolymer prepared by reacting at least one polyisocyanate compound with a first polyol component; and (B) a second polyol component; wherein at least one of the first polyol component and the second polyol component comprises an ester/ether random copolymer polyol synthesized by reacting a starting material polyether polyol with at least one monomeric polyhydric alcohol and at least one monomeric multifunctional carboxylic acid or anhydride thereof. The polyurethane foam prepared by using the polyurethane composition can achieve inhibited internal heat buildup, high thermal stability, superior tear strength, enhanced abrasion resistance and good hydrolysis resistance. A polyurethane product prepared with said foam, a method for preparing the polyurethane foam and a method for improving the performance property of the polyurethane foam are also provided.

Abstract: A two-component adhesive composition comprising the reaction product of: a polyol component, comprising at least one hydrophobic polyol: and an isocyanate component, comprising polyphosphoric acid and the reaction product of (I) an isocyanate compound and (II) a dimer acid polyester polyol.

Abstract: A two-component adhesive composition comprising the reaction product of: a polyol component, comprising a hydrophobic polyol and a phosphate-functional adhesion promoter; and an isocyanate component, comprising the reaction product of an isocyanate monomer and a dimer acid polyester polyol.

Abstract: A polyurethane composition is provided. The polyurethane composition comprises one polyisocyanate component comprising at least one aromatic polyisocyanate compound and/or isocyanate end-capped prepolymer formed by the reaction of said at least one aromatic polyisocyanate compound and at least one first polyol; at least one second polyol; and a crosslinker having at least one nitrogen atom and at least one secondary and/or tertiary hydroxyl group. The polyurethane product prepared by using the polyurethane composition can achieve improved operation time, aging resistance, weathering resistance, color stability, processability, and storage stability. A method for preparing the polyurethane product and a method for improving the performance property of the polyurethane product are also provided.

Abstract: A polyurethane composition is provided. The polyurethane composition comprises (A) a polyurethane-prepolymer prepared by reacting at least one polyisocyanate compound with a first polyol component; and (B) a second polyol component; wherein at least one of the first polyol component and the second polyol component comprises an ester/ether random copolymer polyol synthesized by reacting a starting material polyether polyol with at least one monomeric polyhydric alcohol and at least one monomeric multifunctional carboxylic acid or anhydride thereof. The polyurethane foam prepared by using the polyurethane composition can achieve inhibited internal heat buildup, high thermal stability, superior tear strength, enhanced abrasion resistance and good hydrolysis resistance. A polyurethane product prepared with said foam, a method for preparing the polyurethane foam and a method for improving the performance property of the polyurethane foam are also provided.

Abstract: A polyurethane composition is provided. The polyurethane composition comprises (A) one or more prepolymers prepared by reacting at least one isocyanate compound with a first polyol component; and (B) a second polyol component; wherein at least one of the first polyol component and the second polyol component comprises an ester/ether block copolymer polyol synthesized by reacting a starting material polyether polyol with a C4-C20 lactone. The foamed or non-foamed polyurethane product prepared by using the polyurethane composition can achieve inhibited internal heat buildup, high thermal stability, improved curing speed, light stability, heat stability and superior mechanical strength. A method for preparing the polyurethane composition and a method for improving the performance property of the polyurethane product are also provided.

Abstract: A polyurethane composition is provided. The polyurethane composition comprises (A) one or more polyurethane-prepolymers prepared by reacting at least one polyisocyanate compound with a first polyol component; and (B) a second polyol component; wherein at least one of the first polyol component and the second polyol component comprises an ester/ether block copolymer polyol synthesized by reacting a starting material polyether polyol with a C4-C20 lactone. The polyurethane foam prepared by using the polyurethane composition can achieve inhibited internal heat buildup, high thermal stability and superior tear strength. A polyurethane product prepared with said foam, a method for preparing the polyurethane foam and a method for improving the performance property of the polyurethane foam are also provided.