C08G18/5084

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 (i) a polyester-polycarbonate polyol and (ii) a phosphate-terminated polyol. The present disclosure also provides a method of forming the two-component solvent-less adhesive composition.

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.

Polymerizable composition for polythiourethane-based optical material

An embodiment relates to a polymeric composition for a polythiourethane-based optical material, wherein the polymeric composition, comprising a particular additive, may appropriately adjust the reactivity of an isocyanate such that viscosity is maintained low for a predetermined period of time, and thus is capable of preparing a high-quality polythiourethane-based optical material, without a complicated purification process. Moreover, a polythiourethane-based optical material according to an embodiment has not only a uniform refractive index, but also a low yellow index, and thus may be used as a variety of plastic optical lenses, such as an eyeglass lens or a camera lens and the like.

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.

Solvent-based adhesive compositions

Solvent-based adhesive composition are disclosed, the compositions comprising (A) a polyester-urethane resin, (B) a phosphate ester compound, and (C) an aliphatic isocyanate curing agent. Methods for preparing a solvent-based adhesive composition, the methods comprising providing a polyester-urethane resin, providing a phosphate ester compound, mixing the polyester-urethane resin and phosphate ester compound to form a resin mixture, diluting the resin mixture in a solvent to form a diluted resin mixture having an application solid content of from 25 to 55 weight percent, based on the total weight of the diluted resin mixture, and curing the diluted resin mixture with an aliphatic isocyanate curing agent at a mix ratio (parts by weight resin mixture before dilution:parts by weight aliphatic isocyanate curing agent) of from 100:1 to 100:12. Laminates prepared comprising the solvent-based adhesives and according to the disclosed methods are also disclosed.

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 a polyester-amide polycarbonate polyol; and (C) a solvent. The present disclosure also provides a method of forming the two-component solvent-based adhesive composition.

TWO-COMPONENT SOLVENTLESS ADHESIVE COMPOSITIONS AND METHODS OF MAKING SAME

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.