The present disclosure provides a primer composition. In an embodiment, the primer composition includes a functionalized polyolefin, a functionalized styrenic block copolymer containing greater than or equal to 20 wt % polymerized styrene, a solvent composition and an isocyanate component. The primer composition is suitable for use as an adhesive layer between a substrate and a polyolefin layer.

The present disclosure provides a primer composition. In an embodiment, the primer composition includes a functionalized polyolefin, a functionalized styrenic block copolymer containing greater than or equal to 20 wt % polymerized styrene, a solvent composition and an isocyanate component. The primer composition is suitable for use as an adhesive layer between a substrate and a polyolefin layer.

Provided is a modified polyolefin resin that is excellent in adhesion to nonpolar substrates such as a polyolefin substrate, and excellent in stability in an alcohol solvent. In the modified polyolefin resin, the following polymer (A) is grafted on the following resin (B).

Polymer (A): a polymer including at least one constitutional unit selected from the group consisting of a constitutional unit derived from an ,-unsaturated carboxylic acid and a constitutional unit derived from a derivative of an ,-unsaturated carboxylic acid, and having a hydroxyl value in a range of 10 mgKOH/g or larger and 200 mgKOH/g or smaller.

Resin (B): a polyolefin resin or a modified product thereof.

A resin composition is provided for an adhesive layer of a laminate, the resin composition, containing: (A) 55 to 85 mass % of an acid modified polypropylene-based resin; and (B) 45 to 15 mass % of a copolymer of ethylene and one or more comonomers selected from the group consisting of vinyl acetate, an alkyl methacrylate, and an alkyl acrylate; in which the total of the component (A) and the component (B) is 100 mass %; and in which an acid modified amount of the component (A) is 0.5 to 10 mol %.

A resin composition is provided for an adhesive layer of a laminate, the resin composition, containing: (A) 55 to 85 mass % of an acid modified polypropylene-based resin; and (B) 45 to 15 mass % of a copolymer of ethylene and one or more comonomers selected from the group consisting of vinyl acetate, an alkyl methacrylate, and an alkyl acrylate; in which the total of the component (A) and the component (B) is 100 mass %; and in which an acid modified amount of the component (A) is 0.5 to 10 mol %.

The present invention relates to coating compositions, processes for making them, and methods of application of the coating compositions. Further, the present invention relates to a process and apparatus for coating a metal substrate, for example an elongated metal tubular substrate such as a pipe. Most particularly, the coating can be used as an anti-corrosion coating on a pipe for use in oil, gas and water pipeline applications.

The present invention relates to coating compositions, processes for making them, and methods of application of the coating compositions. Further, the present invention relates to a process and apparatus for coating a metal substrate, for example an elongated metal tubular substrate such as a pipe. Most particularly, the coating can be used as an anti-corrosion coating on a pipe for use in oil, gas and water pipeline applications.

The present invention provides an aqueous dispersion comprising, (A) a highly modified polyolefin of a polyolefin (a) having a structural unit derived from ethylene and a structural unit derived from propylene and having a melting peak observed by differential scanning calorimetric analysis, by an ,-unsaturated carboxylic acid compound, (B) a polyolefin (B-1) having a structural unit derived from at least one olefin selected from the group consisting of ethylene and -olefins having 3 to 20 carbon atoms, and/or a lowly modified polyolefin (B-2) of the polyolefin (B-1) by an ,-unsaturated carboxylic acid compound, and (C) a basic compound, wherein a mass ratio ((A)/(B)) of the component (A) and the component (B) is 60/40 to 97.5/2.5.

The present invention provides an aqueous dispersion comprising, (A) a highly modified polyolefin of a polyolefin (a) having a structural unit derived from ethylene and a structural unit derived from propylene and having a melting peak observed by differential scanning calorimetric analysis, by an ,-unsaturated carboxylic acid compound, (B) a polyolefin (B-1) having a structural unit derived from at least one olefin selected from the group consisting of ethylene and -olefins having 3 to 20 carbon atoms, and/or a lowly modified polyolefin (B-2) of the polyolefin (B-1) by an ,-unsaturated carboxylic acid compound, and (C) a basic compound, wherein a mass ratio ((A)/(B)) of the component (A) and the component (B) is 60/40 to 97.5/2.5.

A composition is also provided that includes mercapto modified resin; aliphatic urethane acrylate; a multifunctional crosslinking agent; photoinitiator; and a hindered amine light stabilizer. The composition provides a fast curing coating that utilizes photopolymerization reactions using a variety of light sources such as low energy consuming and environmentally-friendly UV-LED and sunlight. Features of the coating include clarity, hardness, non-yellowing, scratch resistance, and complete surface cure as well as outstanding adhesion to substrates such as plastic, wood, stone and metal.