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: Recyclable, all-polyethylene laminate film structures suitable for use in a flexible packaging are disclosed. The structures comprise a film layer consisting essentially of an ethylene-based polymer and a barrier adhesive layer disposed on a surface of the film layer, wherein the structure has an oxygen transmission rate not greater than 100 O2/m2/day, measured according to ASTM Method D3985. Recyclable, all-polyethylene laminate film structures suitable for use in a flexible packaging are disclosed comprising (A) a sealant film layer consisting essentially of an ethylene-based polymer, (B) an intermediate film layer consisting essentially of an ethylene-based polymer, (C) a structural film layer consisting essentially of an ethylene-based polymer, and (D) a barrier adhesive layer, wherein the recyclable, all-polyethylene laminate film structure has an oxygen transmission rate not greater than 100 O2/m2/day, measured according to ASTM Method D3985.

Abstract: A two-component solventless adhesive composition including: (A) at least one isocyanate component formulated for application to a first substrate comprising either at least one aromatic-based isocyanate, or a blend of: (Ai) at least one aromatic-based isocyanate; and (Aii) at least one aliphatic-based isocyanate; and (B) at least one isocyanate-reactive component formulated for application to a second substrate comprising a blend of: (Bi) at least one amine-initiated polyol comprising two or more primary hydroxyl groups and a backbone incorporating tertiary amines; (Bii) at least one hydroxyl terminated polyurethane polyol; (Biii) at least one phosphate ester polyol; (Biv) at least one polyester polyol; (Bv) at least one polyether polyol and (Bvi) optionally, at least one silane adhesion promoter; and a process for preparing the above two-component solventless adhesive composition; and a laminate structure made using the above two-component solventless adhesive composition.

Abstract: Recyclable, all-polyethylene laminate film structures suitable for use in a flexible packaging are disclosed. The structures comprise a film layer consisting essentially of an ethylene-based polymer and a barrier adhesive layer disposed on a surface of the film layer, wherein the structure has an oxygen transmission rate not greater than 100 O2/m2/day, measured according to ASTM Method D3985. Recyclable, all-polyethylene laminate film structures suitable for use in a flexible packaging are disclosed comprising (A) a sealant film layer consisting essentially of an ethylene-based polymer, (B) an intermediate film layer consisting essentially of an ethylene-based polymer, (C) a structural film layer consisting essentially of an ethylene-based polymer, and (D) a barrier adhesive layer, wherein the recyclable, all-polyethylene laminate film structure has an oxygen transmission rate not greater than 100 O2/m2/day, measured according to ASTM Method D3985.

Abstract: Recyclable, all-polyethylene laminate film structures suitable for use in a flexible packaging are disclosed. The structures comprise a film layer consisting essentially of an ethylene-based polymer and a barrier adhesive layer disposed on a surface of the film layer, wherein the structure has an oxygen transmission rate not greater than 100 O2/m2/day, measured according to ASTM Method D3985. Recyclable, all-polyethylene laminate film structures suitable for use in a flexible packaging are disclosed comprising (A) a sealant film layer consisting essentially of an ethylene-based polymer, (B) an intermediate film layer consisting essentially of an ethylene-based polymer, (C) a structural film layer consisting essentially of an ethylene-based polymer, and (D) a barrier adhesive layer, wherein the recyclable, all-polyethylene laminate film structure has an oxygen transmission rate not greater than 100 O2/m2/day, measured according to ASTM Method D3985.

Abstract: An adhesive formulation comprising a) a polyurethane composition; and b) a latent catalyst which is the reaction product of i) an amidine-containing compound, a guanidine-containing compound, or an amine-containing compound; ii) carbon dioxide; and iii) water, an alcohol, an amine, or a thiol, is disclosed.

Abstract: Methods for forming a laminate structure comprising a two-component solventless polyurethane adhesive compositions are disclosed. The adhesive composition is formulated such that each component is applied independently to corresponding substrates prior to the substrates being brought together to form the laminate structure. The adhesive compositions are highly-reactive and can comprise amine-initiated polyols or catalysts providing for fast curing. The amine-initiated polyols comprise a functionality of from 2 to 12, a hydroxyl number of from 5 to 1,830, and a viscosity at 40° C. of from 500 to 20,000 mPa-s. The catalyst can be bismuth catalysts, zinc catalysts, zirconium catalysts, tin catalysts, and aluminum catalysts. Still further, a laminate formed according to the methods is disclosed.

Abstract: Two-component solventless polyurethane adhesive compositions comprising an isocyanate component and a polyol component comprising at least one highly-reactive amine-initiated polyol are disclosed. The at least one amine-initiated polyol comprises primary hydroxyl groups and a backbone incorporating one or more tertiary amines. The amine-initiated polyol further comprises a functionality of from 2 to 12, a hydroxyl number of from 5 to 1,830, and a viscosity at 40° C. of from 500 to 20,000 mPa-s. The polyol component can further comprise a non-amine-initiated polyol. The adhesive compositions are formulated such that the isocyanate and polyol components can be applied to separate substrates prior to mixing. Still further, a laminate comprising the adhesive compositions is disclosed.

Abstract: Two-component solventless polyurethane adhesive compositions comprising an isocyanate component and a polyol component comprising at least one highly-reactive amine-initiated polyol are disclosed. The at least one amine-initiated polyol comprises primary hydroxyl groups and a backbone incorporating one or more tertiary amines. The amine-initiated polyol further comprises a functionality of from 2 to 12, a hydroxyl number of from 5 to 1,830, and a viscosity at 40° C. of from 500 to 20,000 mPa-s. The polyol component can further comprise a non-amine-initiated polyol. The adhesive compositions are formulated such that the isocyanate and polyol components can be applied to separate substrates prior to mixing. Still further, a laminate comprising the adhesive compositions is disclosed.

Abstract: Methods for forming a laminate structure comprising a two-component solventless polyurethane adhesive compositions are disclosed. The adhesive composition is formulated such that each component is applied independently to corresponding substrates prior to the substrates being brought together to form the laminate structure. The adhesive compositions are highly-reactive and can comprise amine-initiated polyols or catalysts providing for fast curing. The amine-initiated polyols comprise a functionality of from 2 to 12, a hydroxyl number of from 5 to 1,830, and a viscosity at 40 C of from 500 to 20,000 mPa-s. The catalyst can be bismuth catalysts, zinc catalysts, zirconium catalysts, tin catalysts, and aluminum catalysts. Still further, a laminate formed according to the methods is disclosed.

Abstract: Laminates of polymeric films and solvent-based polyurethane adhesive formulations for preparing them are provided. The adhesive formulations include a hydroxyl-terminated polyester that forms crystalline polyester domains after reaction with an appropriate polyisocyanate, but prior to completion of cure. The result is an adhesive layer that substantially enhances the oxygen barrier properties of the adhesive and, therefore, of the laminate as a whole, while offering desirable convenience of application even at relatively low temperatures. The laminates may also exhibit desirable retention of barrier properties following flex-cracking.

Abstract: Two-component solventless polyurethane adhesive compositions are disclosed comprising an isocyanate component comprising an isocyanate blend, and a polyol component comprising an amine-initiated polyol comprising two or more primary hydroxyl groups and a backbone incorporating tertiary amines, wherein the amine-initiated polyol comprises a functionality of from 2 to 12, hydroxyl number of from 5 to 1,830, and a viscosity at 40° C. of from 500 to 20,000 mPa-s, and a silicone-based additive (e.g., an anti-foaming agent and/or a wetting agent). The adhesive compositions are formulated such that the isocyanate and polyol components can be applied to separate substrates prior to mixing. Laminate structures comprising the disclosed adhesive compositions and further comprising a polymeric barrier substrate are also disclosed.

Abstract: Two-component solventless polyurethane adhesive compositions are disclosed comprising an isocyanate component comprising an isocyanate, and a polyol component comprising an amine-initiated polyol comprising two or more primary hydroxyl groups and a backbone incorporating tertiary amines, wherein the amine-initiated polyol comprises a functionality of from 2 to 12, a hydroxyl number of from 5 to 1,830, and a viscosity at 40° C. of from 500 to 20,000 mPa-s, and a silicone-based additive (e.g., an anti-foaming agent and/or a wetting agent). The adhesive compositions are formulated such that the isocyanate and polyol components can be applied to separate substrates prior to mixing. Laminate structures comprising the disclosed adhesive compositions and further comprising a metal or metallized substrate are also disclosed.

Abstract: Recyclable, all-polyethylene laminate film structures suitable for use in a flexible packaging are disclosed. The structures comprise a film layer consisting essentially of an ethylene-based polymer and a barrier adhesive layer disposed on a surface of the film layer, wherein the structure has an oxygen transmission rate not greater than 100 O2/m2/day, measured according to ASTM Method D3985. Recyclable, all-polyethylene laminate film structures suitable for use in a flexible packaging are disclosed comprising (A) a sealant film layer consisting essentially of an ethylene-based polymer, (B) an intermediate film layer consisting essentially of an ethylene-based polymer, (C) a structural film layer consisting essentially of an ethylene-based polymer, and (D) a barrier adhesive layer, wherein the recyclable, all-polyethylene laminate film structure has an oxygen transmission rate not greater than 100 O2/m2/day, measured according to ASTM Method D3985.

Abstract: Two-component solventless polyurethane adhesive compositions comprising an isocyanate component and a polyol component comprising at least one highly-reactive amine-initiated polyol are disclosed. The at least one amine-initiated polyol comprises primary hydroxyl groups and a backbone incorporating one or more tertiary amines. The amine-initiated polyol further comprises a functionality of from 2 to 12, a hydroxyl number of from 5 to 1,830, and a viscosity at 40° C. of from 500 to 20,000 mPa-s. The polyol component can further comprise a non-amine-initiated polyol. The adhesive compositions are formulated such that the isocyanate and polyol components can be applied to separate substrates prior to mixing. Still further, a laminate comprising the adhesive compositions is disclosed.

Abstract: The instant invention provides a curable formulation suitable for laminating adhesive applications, and laminating adhesives made therefrom. The curable formulation suitable for laminating adhesive applications according to the present invention comprises a high molecular weight polyester resin, an epoxy-terminated polyester, an additive, a curing agent, and a solvent, wherein, upon curing under curing conditions, the curable formulation forms at least one interpenetrating polymer network.

Abstract: Methods for forming a laminate structure comprising a two-component solventless polyurethane adhesive compositions are disclosed. The adhesive composition is formulated such that each component is applied independently to corresponding substrates prior to the substrates being brought together to form the laminate structure. The adhesive compositions are highly-reactive and can comprise amine-initiated polyols or catalysts providing for fast curing. The amine-initiated polyols comprise a functionality of from 2 to 12, a hydroxyl number of from 5 to 1,830, and a viscosity at 40 C of from 500 to 20,000 mPa-s. The catalyst can be bismuth catalysts, zinc catalysts, zirconium catalysts, tin catalysts, and aluminum catalysts. Still further, a laminate formed according to the methods is disclosed.

Abstract: An adhesive formulation comprising a) a polyurethane composition; and b) a latent catalyst which is the reaction product of i) an amidine-containing compound, a guanidine-containing compound, or an amine-containing compound; ii) carbon dioxide; and iii) water, an alcohol, an amine, or a thiol, is disclosed.

Abstract: The instant invention provides a curable formulation suitable for laminating adhesive applications, and laminating adhesives made therefrom. The curable formulation suitable for laminating adhesive applications according to the present invention comprises a high molecular weight polyester resin, an epoxy-terminated polyester, an additive, a curing agent, and a solvent, wherein, upon curing under curing conditions, the curable formulation forms at least one interpenetrating polymer network.

Abstract: An epoxy terminated polyester having the structure wherein R1— is G— is j is 0 to 5, —R2— is a divalent organic group, —R22— is a divalent alkyl group, and —R22— is a divalent alkyl group.