Abstract: The present invention relates to, in the provision of a material that has excellent weather resistance and heat-radiation characteristics, and thus, is suitable for solar cells, a composite resin composition having excellent weather resistance and heat-radiation characteristics, a composite-resin-coated steel sheet obtained therefrom, and a method for manufacturing the same.

Abstract: Provided is a composite resin composition for steel plates for a fuel tank, including: 30 to 65% by weight of a polymer resin; 1 to 15% by weight of a curing agent; 2 to 20% by weight of a corrosion-resistant additive; 1 to 15% by weight of an adhesion promoting agent comprising a polyphosphazene polymer compound; and a residual solvent. A composite resin-coated steel plate for a fuel tank, and a manufacturing method for a composite resin-coated steel plate are provided.

Abstract: Provided is an organic-inorganic composite resin composition for coating the surface of a zinc-plated steel sheet, comprising 5-25 wt % of a polymer resin, 4-20 wt % of a silane compound, 3-10 wt % of a curing agent and 0.1-2 wt % of ferrocene compound on the basis of the total weight of the composition.

Abstract: Provided is a composite resin composition for steel plates for a fuel tank, including: 30 to 65% by weight of a polymer resin; 1 to 15% by weight of a curing agent; 2 to 20% by weight of a corrosion-resistant additive; 1 to 15% by weight of an adhesion promoting agent comprising a polyphosphazene polymer compound; and a residual solvent. A composite resin-coated steel plate for a fuel tank, and a manufacturing method for a composite resin-coated steel plate are provided.

Abstract: A heat-dissipating black resin composition having excellent physical properties such as heat-dissipation, workability, corrosion resistance, solvent resistance, coating adherence and gloss, and being free from chromium and used for surface treatment of a zinc coated steel sheet and a zinc coated steel sheet treated thereby. The composition includes, based on 100 parts by weight: 10 to 60 parts by weight of a resin composition which at least one main resin and a melamine-based curing agent are mixed in a weight ratio of 10:2-7, the main resin being selected from the group consisting of polyester, epoxy, polyolefin, polyurethane, fluorine, phenol, acryl and polycarbonate resins; 1 to 10 parts by weight of at least one pigment selected from the group consisting of carbon black and carbon nano tube; 1 to 10 parts by weight of a matting agent; and a solvent.

Abstract: A resin-coated steel sheet having excellent properties such as electroconductivity, electrostatic earth property, fingerprint resistance, corrosion resistance, solvent resistance, workability, press formability, workability at multi-processed part, electromagnetic shielding property, adhesion, and heat release property, a resin composition and a surface treatment composition therefore are provided. The resin-coated steel sheet comprising a base steel sheet; and a resin-coating film formed of a resin composition on the surfaces of the base steel sheet, the resin composition comprising a main resin/a melamine-based curing agent composition, a pigment, a flatting agent and at least one of a fingerprint-resistant additive and an electroconductive additive is provided.

Abstract: Provided are a heat-dissipating black resin composition having excellent physical properties such as heat-dissipation, workability, corrosion resistance, solvent resistance, coating adherence and gloss, and being free from chromium and used for surface treatment of a zinc coated steel sheet, a method for treating a zinc coated steel sheet, and a zinc coated steel sheet treated thereby. The composition includes, based on 100 parts by weight: 10 to 60 parts by weight of a resin composition which at least one main resin and a melamine-based curing agent are mixed in a weight ratio of 10:2-7, the main resin being selected from the group consisting of polyester, epoxy, polyolefin, polyurethane, fluorine, phenol, acryl and polycarbonate resins; 1 to 10 parts by weight of at least one pigment selected from the group consisting of carbon black and carbon nano tube; 1 to 10 parts by weight of a matting agent; and the balance of a solvent.