Abstract: [Problem] The present invention aims to provide a high-molecular-weight modified copolymerized polyester resin that has a reactive functional group at a site other than the terminals of the molecular chain thereof, has an excellent reactivity with a curing agent (such as an epoxy resin or an isocyanate compound), and can be used to form an organic-solvent-and-emulsifier-free water dispersion having excellent storage stability.

Abstract: The present invention provides a stable organic solvent solution-type adhesive composition that is in a solution state even at low temperatures and that has excellent adhesion to polyolefin base materials, in particular polyethylene substrates (both LDPE and HDPE). The invention provides an adhesive resin composition comprising a modified polyethylene copolymer (component A) having a melting point of less than 80° C., a terpene-based tackifier (component B), and an organic solvent (component C), wherein component B is contained in an amount of 30 to 100 parts by weight, per 100 parts by weight of component A.

Abstract: The present invention provides a self-emulsification type emulsion exhibiting excellent adhesion to olefin-based base materials such as polyethylene and polypropylene without using an emulsifier. The self-emulsification type emulsion of the present invention comprises a tackifier and a modified polypropylene resin having an anionic functional group, and satisfies (1) and (2) given below: (1) the modified polypropylene resin having an anionic functional group is dispersed in water in the absence of an emulsifier, and (2) a dispersion particle comprising the modified polypropylene resin having an anionic functional group surrounds the tackifier.

Abstract: The present invention provides a stable organic solvent solution-type adhesive composition that is in a solution state even at low temperatures and that has excellent adhesion to polyolefin base materials, in particular polyethylene substrates (both LDPE and HDPE). The invention provides an adhesive resin composition comprising a modified polyethylene copolymer (component A) having a melting point of less than 80° C., a terpene-based tackifier (component B), and an organic solvent (component C), wherein component B is contained in an amount of 30 to 100 parts by weight, per 100 parts by weight of component A.

Abstract: An object of the present invention is to provide a conductive coating film formed on a polyimide-based insulating substrate by using a metal powder paste which can exhibit a good conductivity and good adhesion to the insulating substrate. By forming a resin cured layer having a solvent-soluble content of not more than 20% by weight and a thickness of not more than 5 ?m on a polyimide-based insulating substrate; forming a metal powder-containing coating layer on the resin cured layer by using a metal powder paste; and then subjecting the resulting coating layer to heat treatment with superheated steam, it is possible to obtain a conductive coating film which can exhibit a good conductivity and good adhesion to the insulating substrate.

Abstract: The present invention provides a self-emulsification type emulsion exhibiting excellent adhesion to olefin-based base materials such as polyethylene and polypropylene without using an emulsifier. The self-emulsification type emulsion of the present invention comprises a tackifier and a modified polypropylene resin having an anionic functional group, and satisfies (1) and (2) given below: (1) the modified polypropylene resin having an anionic functional group is dispersed in water in the absence of an emulsifier, and (2) a dispersion particle comprising the modified polypropylene resin having an anionic functional group surrounds the tackifier.

Abstract: An object of the present invention is to provide a conductive coating film formed on a polyimide-based insulating substrate by using a metal powder paste which can exhibit a good conductivity and good adhesion to the insulating substrate. By forming a resin cured layer having a solvent-soluble content of not more than 20% by weight and a thickness of not more than 5 ?m on a polyimide-based insulating substrate; forming a metal powder-containing coating layer on the resin cured layer by using a metal powder paste; and then subjecting the resulting coating layer to heat treatment with superheated steam, it is possible to obtain a conductive coating film which can exhibit a good conductivity and good adhesion to the insulating substrate.

Abstract: A main object of the present invention is to provide a receptor layer forming resin which makes it possible to obtain a receptor layer for a thermal transfer image receptor sheet having excellent dyeing property. The present invention achieves the above object by providing a receptor layer forming polyurethane resin for a thermal transfer image receptor sheet obtained by copolymerizing: a high molecular weight polyol having a number average molecular weight of 1000 or higher (A); an organic isocyanate (B); and according to need, a polyol compound having a number average molecular weight of 500 or lower (C), wherein the receptor layer forming polyurethane resin for a thermal transfer image receptor sheet meets the following requirements (1) to (4): (1) the resin has at least two glass transition temperatures; (2) at least one of the glass transition temperatures is between ?200 to 0° C., and at least one is between 20 to 100° C.

Abstract: The present invention relates to a receiving-layer-forming polyester resin for use in a thermal-transfer image-receiving sheet, comprising: not less than 70 mol % of isophthalic acid and not more than 30 mol % of terephthalic acid as acid components; and not less than 30 mol % of diols having an alicyclic structure and not more than 30 mol % of ethylene glycol as diol components, and a thermal-transfer image-receiving sheet with a receiving layer formed on at least one of surfaces of the substrate sheet, in which the receiving layer is formed by such a receiving-layer-forming polyester resin.

Abstract: A main object of the present invention is to provide a receptor layer forming resin which makes it possible to obtain a receptor layer for a thermal transfer image receptor sheet having excellent dyeing property. The present invention achieves the above object by providing a receptor layer forming polyurethane resin for a thermal transfer image receptor sheet obtained by copolymerizing: a high molecular weight polyol having a number average molecular weight of 1000 or higher (A) ; an organic isocyanate (B); and according to need, a polyol compound having a number average molecular weight of 500 or lower (C), wherein the receptor layer forming polyurethane resin for a thermal transfer image receptor sheet meets the following requirements (1) to (4): (1) the resin has at least two glass transition temperatures; (2) at least one of the glass transition temperatures is between ?200 to 0° C., and at least one is between 20 to 100° C.

Abstract: The present invention relates to a receiving-layer-forming polyester resin for use in a thermal-transfer image-receiving sheet, comprising: not less than 70 mol % of isophthalic acid and not more than 30 mol % of terephthalic acid as acid components; and not less than 30 mol % of diols having an alicyclic structure and not more than 30 mol % of ethylene glycol as diol components, and a thermal-transfer image-receiving sheet with a receiving layer formed on at least one of surfaces of the substrate sheet, in which the receiving layer is formed by such a receiving-layer-forming polyester resin.

Abstract: A magnetic recording medium possessing a magnetic layer formed by application onto a non-magnetic support, of a magnetic coating containing magnetic particles dispersed in a binder which contains a polyurethane resin, together with carbon black particles at 5% by weight or higher, based on the weight of the magnetic particles.

Abstract: A magnetic recording medium possessing a magnetic layer formed by application onto a non-magnetic support, of a magnetic coating containing magnetic particles dispersed in a binder which contains a polyurethane resin, together with carbon black particles at 5% by weight or higher, based on the weight of the magnetic particles.