The present invention relates to a primer coating composition including an aqueous polyolefin-based resin (A), an aqueous epoxy resin (B), a hydrophilicized-modified carbodiimide compound (C), and an aqueous polyurethane resin (D), in which the aqueous polyolefin-based resin (A) includes an aqueous polypropylene-based resin having a weight-average molecular weight of 50,000 to 200,000, and the hydrophilicized-modified carbodiimide compound (C) is a hydrophilicized-modified carbodiimide compound (C) having a prescribed structure.

Provided are multistage polymers that comprise (i) a first stage comprising a first copolymer having a first theoretical T.sub.g, the first copolymer being derived from a soft ethylenically-unsaturated monomer, a phosphorus-containing monomer, and an acetoacetoxy monomer; and (ii) a second stage comprising a second polymer having a second theoretical T.sub.g, the second polymer being derived from one or more hard ethylenically-unsaturated monomers. The multistage polymers can be in the form of multilayer particles that comprise (i) a first layer comprising the first copolymer; and (ii) a second layer surrounding at least a portion of the first layer comprising the second polymer. Also provided are aqueous compositions including one or more of the multistage polymers (or multilayer particles) described herein, as well as methods for making the multistage polymers (or multilayer particles) described herein.

Provided are multistage polymers that comprise (i) a first stage comprising a first copolymer having a first theoretical T.sub.g, the first copolymer being derived from a soft ethylenically-unsaturated monomer, a phosphorus-containing monomer, and an acetoacetoxy monomer; and (ii) a second stage comprising a second polymer having a second theoretical T.sub.g, the second polymer being derived from one or more hard ethylenically-unsaturated monomers. The multistage polymers can be in the form of multilayer particles that comprise (i) a first layer comprising the first copolymer; and (ii) a second layer surrounding at least a portion of the first layer comprising the second polymer. Also provided are aqueous compositions including one or more of the multistage polymers (or multilayer particles) described herein, as well as methods for making the multistage polymers (or multilayer particles) described herein.

The present invention relates to aqueous binders and to heat-sealing lacquers produced therefrom for heat-sealable coatings which adhere on aluminium without use of any primer, permit good sealability of the coated aluminium foil with respect to PS and/or PVC, and moreover feature good blocking resistance even at temperatures above 40 C.

The present invention relates to aqueous binders and to heat-sealing lacquers produced therefrom for heat-sealable coatings which adhere on aluminium without use of any primer, permit good sealability of the coated aluminium foil with respect to PS and/or PVC, and moreover feature good blocking resistance even at temperatures above 40 C.

A coating agent contains a particulate fluorocarbon polymer, an acid-modified polyolefin, a urethane resin, and a curing agent. The present invention provides a coating agent capable of forming a coat with high wear resistance under high contact pressure and high temperature conditions, a surface-coated elastic body obtained using the same, and a surface-coated rubber metal laminate.

A coating agent contains a particulate fluorocarbon polymer, an acid-modified polyolefin, a urethane resin, and a curing agent. The present invention provides a coating agent capable of forming a coat with high wear resistance under high contact pressure and high temperature conditions, a surface-coated elastic body obtained using the same, and a surface-coated rubber metal laminate.

The present invention provides a modified polyolefin resin that can form a coating that exhibits excellent adhesion to a low-polarity base material, especially a poorly adherable polyolefin base material with no surface treatment even when being dried at low temperatures and has flexibility (bendability). Provided is a modified polyolefin resin that is a modified product of a polyolefin resin having a melting point (Tm) by a differential scanning calorimeter (DSC) of 60 to 165 C. with a modifier comprising the following (A): (A) a monomer mixture comprising Monomer Group (A-1) and Monomer Group (A-2) with a weight ratio of Monomer Group (A-1) to Monomer Group (A-2) ((A-1)/(A-2)) of 30/70 to 50/50.

The present invention provides a modified polyolefin resin that can form a coating that exhibits excellent adhesion to a low-polarity base material, especially a poorly adherable polyolefin base material with no surface treatment even when being dried at low temperatures and has flexibility (bendability). Provided is a modified polyolefin resin that is a modified product of a polyolefin resin having a melting point (Tm) by a differential scanning calorimeter (DSC) of 60 to 165 C. with a modifier comprising the following (A): (A) a monomer mixture comprising Monomer Group (A-1) and Monomer Group (A-2) with a weight ratio of Monomer Group (A-1) to Monomer Group (A-2) ((A-1)/(A-2)) of 30/70 to 50/50.

Provided is an aqueous coating composition excelling in washability of a coating machine used for coating. The aqueous coating composition containing an aqueous polyolefin-based resin (A) and an acrylic resin (B) having an anionic group and a polyoxyalkylene group is disclosed, which is used in a coating process including (1) applying an aqueous coating composition onto an object to be coated using a coating machine and (2) washing the coating machine using alkaline washing water having a pH of 9.5 or more.