Abstract: A waterborne coating composition, comprising (a) a first polyurethane dispersion comprising a first polyurethane having a Tg of 5° C. to 20° C., (b) a second polyurethane dispersion comprising a second polyurethane having a Tg of ?40° C. to ?60° C., and (c) a polyacrylic emulsion comprising an acrylic (co) polymer having a Tg of ?40° C. to ?20° C., is provided. A method for preparing a laminated material with the waterborne coating composition, and a laminated material prepared therefrom are also provided.

Abstract: A two-component solventless laminating adhesive composition including: (A) at least one isocyanate component comprising at least one isocyanate; and (B) at least one polyol component comprising: (Bi) at least one amine-initiated polyol; (Bii) at least one aliphatic polyester polyol; and (Biii) at least one polyether polyol; a process for preparing the above solventless adhesive laminating composition; and a laminate structure made using the above solventless adhesive laminating composition.

Abstract: An adhesive composition is provided. The adhesive composition for zipper bag application, comprising the following components: (a) a mixture of a polyurethane dispersion with acrylic emulsion, wherein the polyurethane dispersion comprises a reaction product of by dry weight based on total dry weight of the polyurethane dispersion, from 30% to 50% of a monomeric diisocyanate, from 45% to 69% of a polymeric polyol and from 1% to 15% of ionic surfactant, the polyurethane dispersion has a Tg of ?15° C. to 15° C., and the acrylic emulsion has a Tg of ?10° C. to 25° C., and wherein the ratio by weight of the polyurethane dispersion and the acrylic emulsion is from 15:85 to 85:15, (b) a polyisocyanate.

Abstract: A unique polyol compound formed by a reaction between a carbonate compound represented by Formula (I) and a polyamine compound is provided. A polyurethane-based adhesive composition comprising the polyol compound can produce an adhesive layer exhibiting superior bond strength and heat seal strength which will not be substantially deteriorated by the change in the weight ratio between isocyanate component and polyol component. Methods for preparing the polyol compound and for preparing the adhesive composition, as well as a laminate article prepared with said adhesive composition are also provided.

Abstract: An aqueous curable adhesive composition comprises an aqueous polymer dispersion and a polyamine compound having at least two amino groups. A laminated article comprises at least two substrates and the aqueous curable adhesive composition.

Abstract: Water-based adhesive composition are disclosed, the compositions comprising an acrylic dispersion, an epoxy-terminated polyester incorporated into the acrylic dispersion, and a water-dispersible isocyanate. Methods for laminating a first substrate to a second substrate are also disclosed, the methods comprising (a) providing an acrylic dispersion, (b) providing an epoxy-terminated polyester, (c) mixing the acrylic dispersion and the epoxy-terminated polyester, (d) mixing the mixture of (c) with a water-dispersible isocyanate to form an adhesive composition, (e) coating the adhesive composition of (d) on a surface of the first substrate, (f) drying the adhesive compositions on the first substrate to remove water, and (g) bringing the adhesive composition on the surface of the first substrate into contact with a surface of a second substrate, thereby laminating the first substrate to the second substrate.

Abstract: A novel polyol compound represented by Formula (I) is provided. A polyurethane-based adhesive composition comprising the polyol compound can produce an adhesive layer exhibiting superior bond strength and heat seal strength which will not be substantially deteriorated by the change in the weight ratio between isocyanate component and polyol component. Methods for preparing the polyol compound and for preparing the adhesive composition, as well as a laminate article prepared with said adhesive composition are also provided.

Abstract: The present disclosure provides a two-component solventless adhesive composition comprising a polyol component and an isocyanate component. The polyol component comprises a phosphate functional compound, and at least one polyol selected from polyester, polyether, and the combination thereof; and the isocyanate component comprises isocyanate prepolymer that is the reaction product of at least one isocyanate monomer and at least one polyol selected from polyester, polyether, and the combination thereof.

Abstract: Provided is an aqueous composition comprising dispersed particles that comprise a polyurethane, wherein said polyurethane is a reaction product of a group of reactants (GR1), wherein GR1 comprises one or more aromatic polyisocyanates and, a polyol component, wherein said polyol component comprises (a) 50% to 99% by weight, based on the weight of said polyol component, one or more polyester polyols, (b) 0.1% to 10% by weight, based on the weight of said polyol component, one or more diols having a hydrophilic side chain, and (c) 0.9% to 40% by weight, based on the weight of said polyol component, one or more polyols different from (a) and (b). Also provided is a method of bonding a metal foil to a polymer film using such an aqueous composition.

Abstract: An aqueous polyurethane dispersion compositions are disclosed. The compositions include a polyurethane prepolymer dispersed in an aqueous medium, the polyurethane prepolymer comprising an isocyanate and a crystalline polyester polyol having a hydroxyl content of 20 to 150 mg KOH/g and a melt temperature of less than or equal to 90° C. Methods of forming a laminate are also disclosed. The methods include providing an aqueous polyurethane dispersion, applying the polyurethane dispersion to a surface of the first substrate, bringing the side of the first substrate into contract with a surface of the second substrate, and curing the aqueous dispersion, thereby laminating the first substrate to the second substrate. Laminates formed by the methods and including the compositions are also disclosed.

Abstract: A method for reducing coefficient of friction of a laminate comprising a polyurethane adhesive is provided. The method comprises providing the polyurethane adhesive; and adhering at least two substrates with the polyurethane adhesive to form a laminate, wherein the polyurethane adhesive is formed by reacting (A) an isocyanate component comprising a prepolymer derived from the reaction of a diisocyanate, a polyethylene glycol and optionally an additional polyol; with (B) a polyol component. The method can achieve minimized COF and viscosity, while retaining other performance properties such as bond strength, heat seal strength and boil in bag resistance. A composition for preparing the adhesive, a laminate product prepared with said composition as well the method for preparing the laminate product are also provided.

Abstract: A copolymerized crystalline latent catalyst including the reaction product of: (a) at least one crystalline acrylate monomer; (b) at least one copolymerizable catalyst compound; (c) at least one initiator; (d) at least one chain transfer agent; and (e) optionally, at least one solvent to provide a polymerized latent catalyst composition; and a process for making the above latent catalyst.

Abstract: An adhesive composition including a reaction mixture of: (A) at least one isocyanate-containing compound; (B) at least one polyol compound; and (C) a copolymerized crystalline latent catalyst; a process for making the above adhesive composition; and a laminate structure made using the above adhesive composition.

Abstract: A solventless adhesive composition is provided. The solventless adhesive composition comprises (A) an isocyanate prepolymer having a side chains represented by —R2—(O—R1—O)n—R3 and (B) an isocyanate-reactive component, and exhibits improved bond strength, heat seal strength, adhesive COF property and optical appearance. A laminate product prepared with said solventless adhesive composition as well the method for preparing the laminate product are also provided.

Abstract: A process comprises (i) providing an isocyanate component A that is a reaction product of an aliphatic polyisocyanate, an aromatic polyisocyanate, an aliphatic polyester polyol, and a polyether polyol; (ii) providing a polyol component B comprising an aliphatic polyester polyol and a polyether polyol; (iii) mixing A and B to form a solventless adhesive (SLA) composition component A and component B each comprises an aliphatic polyester polyol having a viscosity from 800 to 6000 mPa·s at 25° C. and a hydroxyl number from 60 to 180 mg KOH/g; the SLA composition has (a) an initial viscosity at 40° C. from 500 to 1600 mPa·s, (b) an increasing viscosity ratio from 100% to 112% of the initial viscosity after the SLA composition stands at 40° C. for 10 min, and (c) an end viscosity at 40° C. from 120% to 210% of the initial viscosity at 40 min after forming the SLA composition.

Abstract: The present disclosure provides a two-component solventless adhesive composition comprising a polyol component and an isocyanate component. The polyol component comprises a phosphate functional compound, and at least one polyol selected from polyester, polyether, and the combination thereof; and the isocyanate component comprises isocyanate prepolymer that is the reaction product of at least one isocyanate monomer and at least one polyol selected from polyester, polyether, and the combination thereof.

Abstract: A two-component solventless adhesive composition is disclosed, the composition comprising an isocyanate component comprising an isocyanate prepolymer that is the reaction product of reactants comprising at least one polyisocyanate, at least one polyester polyol, at least one polyether polyol, and at least one polyol comprising a hydroxyl and COOH acid functionality. The adhesive composition further comprises a polyol component comprising at least one polyester polyol, at least one polyether polyol, or a combination thereof. A method for forming a laminate using the adhesive composition and a laminate itself are also disclosed. The method comprises forming a solventless adhesive composition, applying a layer of the adhesive composition to a surface of a film, bringing the layer into contact with a surface of another film to form a laminate, and curing the adhesive composition. A laminate made according to the method is further disclosed.

Abstract: The present disclosure provides a two-component polyurethane adhesive composition comprising an aromatic polyisocyanate component and a polyol component comprising at least one polyester polyol and a polyol having two or more OH groups and a hydrogen-bridging group.

Abstract: Water-based adhesive composition are disclosed, the compositions comprising an acrylic dispersion, an epoxy-terminated polyester incorporated into the acrylic dispersion, and a water-dispersible isocyanate. Methods for laminating a first substrate to a second substrate are also disclosed, the methods comprising (a) providing an acrylic dispersion, (b) providing an epoxy-terminated polyester, (c) mixing the acrylic dispersion and the epoxy-terminated polyester, (d) mixing the mixture of (c) with a water-dispersible isocyanate to form an adhesive composition, (e) coating the adhesive composition of (d) on a surface of the first substrate, (f) drying the adhesive compositions on the first substrate to remove water, and (g) bringing the adhesive composition on the surface of the first substrate into contact with a surface of a second substrate, thereby laminating the first substrate to the second substrate.

Abstract: An aqueous polyurethane dispersion compositions are disclosed. The compositions include a polyurethane prepolymer dispersed in an aqueous medium, the polyurethane prepolymer comprising an isocyanate and a crystalline polyester polyol having a hydroxyl content of 20 to 150 mg KOH/g and a melt temperature of less than or equal to 90° C. Methods of forming a laminate are also disclosed. The methods include providing an aqueous polyurethane dispersion, applying the polyurethane dispersion to a surface of the first substrate, bringing the side of the first substrate into contract with a surface of the second substrate, and curing the aqueous dispersion, thereby laminating the first substrate to the second substrate. Laminates formed by the methods and including the compositions are also disclosed.