C08G18/5045

Two-component polyurethane adhesive for lamination
11352531 · 2022-06-07 · ·

1) Two-component polyurethane-based adhesive composition comprising an —NCO component and an —OH component, such that: the —NCO component is obtained by polyaddition between MDI and a composition of polyols comprising a polyether diol and a polyether triol, in an —NCO/—OH molar equivalent ratio of between 2.5 and 6.5; the —OH component is obtained by polyaddition between MDI and a composition of polyols with a functionality of 2 comprising an aliphatic polyester diol, a partially aromatic polyester diol and an aliphatic polyether diol, in an —NCO/—OH molar equivalent ratio of between 0.05 0.50; the amounts of the —NCO and —OH components being such that the —NCO/—OH molar equivalent ratio is within a range extending from 1.5 to 1.7. 2) Multilayer film comprising 2 thin layers of material linked to one another by a continuous layer constituted by said crosslinked adhesive composition. 3) Process for preparing said film and use thereof in the manufacture of flexible packagings.

Two-Component Solvent-Less Adhesive Composition

The present disclosure provides a two-component solvent-less adhesive composition. The two-component solvent-less adhesive composition contains the reaction product of (A) an isocyanate component and (B) a polyol component containing a poly-ester-amide polycarbonate polyol. The present disclosure also provides a method of forming a two-component solvent-less adhesive composition.

Two-Component Solvent-Based Adhesive Composition

The present disclosure provides a two-component solvent-based adhesive composition. The two-component solvent-based adhesive composition contains the reaction product of (A) an isocyanate component; (B) a polyol component containing (i) a polyester-polycarbonate polyol and (ii) a phosphate-terminated polyol; and (iii) a solvent. The present disclosure also provides a method of forming a two-component solvent-based adhesive composition.

SOLVENTLESS ADHESIVE COMPOSITION

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.

SOLVENTLESS ADHESIVE COMPOSITION

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.

Golf ball

An object of the present invention is to provide a golf ball travelling a great flight distance on driver shots on a rainy day and having excellent spin performance on approach shots. The present invention provides a golf ball comprising a golf ball body and a paint film covering the golf ball body and composed of at least one layer, wherein an outermost layer of the paint film is formed from a paint containing a polyol, a polyisocyanate, and a carbinol modified silicone oil different from the polyol compound.

POLYOL COMPOUNDS AND ADHESIVE COMPOSITIONS PREPARED WITH THE SAME
20230303770 · 2023-09-28 ·

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.

PARTIALLY COATED FILMS AND PACKAGES FORMED FROM SAME

The present invention provides coated films and packages formed from such films. In one aspect, a partially coated film comprises (a) a film having two outer surfaces, wherein a first outer surface is provided by a film layer that comprises from 70 to 100 percent by weight of a polyolefin having a density of 0.860 to 0.965 g/cm.sup.3; and (b) a coating on the first outer surface of the film comprising polyurethane, wherein the coating covers less than 25% of the surface area of the first outer surface of the film and wherein the coated portion of the film exhibits an Elmendorf tear in at least one of the machine direction or cross direction that is at least 20% less than the Elmendorf tear of the uncoated portion in the same direction, with the Elmendorf tear being measured in accordance with ASTM D1922.

PARTIALLY COATED FILMS AND PACKAGES FORMED FROM SAME

The present invention provides coated films and packages formed from such films. In one aspect, a partially coated film comprises (a) a film having two outer surfaces, wherein a first outer surface is provided by a film layer that comprises from 70 to 100 percent by weight of a polyolefin having a density of 0.860 to 0.965 g/cm.sup.3; and (b) a coating on the first outer surface of the film comprising polyurethane, wherein the coating covers less than 25% of the surface area of the first outer surface of the film and wherein the coated portion of the film exhibits an Elmendorf tear in at least one of the machine direction or cross direction that is at least 20% less than the Elmendorf tear of the uncoated portion in the same direction, with the Elmendorf tear being measured in accordance with ASTM D1922.

Solventless Adhesive Composition and Process for Making and Use in Forming a Laminate
20220017677 · 2022-01-20 ·

The present disclosure provides a process comprising providing an isocyanate component A comprising a blend of (i) an aromatic isocyanate prepolymer and (ii) an aliphatic isocyanate prepolymer; providing a polyol component B comprising a blend of; (i) a phosphate-functional polyol, (ii) a polyether polyol, and (iii) an element selected from the group consisting of a polyurethane polyol, a polyester polyol and a combination thereof; mixing component A and component B to form a solventless adhesive (SLA) composition, wherein a weight ratio of component A to component B is from 2:1 to 1:1, the SLA composition having a pot life from 30 min to 60 min at 40 C; applying the SLA composition between a first film and a second film to form a raw laminate; and curing the raw laminate to form a laminate product.