A multilayer article is provided which is suitable for use in making (or as) a fuel container by rotational molding, wherein the multilayer article has at least one layer of a thermally cured polymer composition and another layer of a barrier polymer composition, wherein the barrier polymer composition comprises a specified modified ethylene-vinyl alcohol copolymer as a barrier polymer.

The present invention provides a heat exchanger which is imparted with high deodorizing properties in terms of cigarettes. A heat exchanger which has a hydrophilic coating film on the surface of a substrate that is formed from aluminum, and wherein the hydrophilic coating film is formed using a hydrophilizing agent that contains 0.8-1.8% by mass of a vanadium compound in terms of elemental vanadium, while containing 90% by mass or more of a resin which contains 38-40% by mass of a polyvinyl alcohol having an ethylene chain, 22-24% by mass of a radically polymerizable monomer having a carboxylic acid, 15-17% by mass of a radically polymerizable monomer represented by general formula and 22-24% by mass of a polyethylene glycol.

The present invention provides a heat exchanger which is imparted with high deodorizing properties in terms of cigarettes. A heat exchanger which has a hydrophilic coating film on the surface of a substrate that is formed from aluminum, and wherein the hydrophilic coating film is formed using a hydrophilizing agent that contains 0.8-1.8% by mass of a vanadium compound in terms of elemental vanadium, while containing 90% by mass or more of a resin which contains 38-40% by mass of a polyvinyl alcohol having an ethylene chain, 22-24% by mass of a radically polymerizable monomer having a carboxylic acid, 15-17% by mass of a radically polymerizable monomer represented by general formula and 22-24% by mass of a polyethylene glycol.

A coating agent comprising an amine-modified polyvinyl alcohol and at least one compound (A) selected from the group consisting of a compound (A1) represented by formula (1) below and a compound (A2) represented by formula (2) below: wherein R.sup.1 to R.sup.6 and R.sup.11 to R.sup.18 each independently represent any of a carboxyl group, a sulfo group, a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms, and a halogen atom, one of R.sup.1 to R.sup.6 is any of a carboxyl group and a sulfo group, two or three of R.sup.1 to R.sup.6 are each a hydroxyl group, one of R.sup.11 to R.sup.18 is any of a carboxyl group and a sulfo group, and two or three of R.sup.11 to R.sup.18 are each a hydroxyl group.

##STR00001##

A coating agent comprising an amine-modified polyvinyl alcohol and at least one compound (A) selected from the group consisting of a compound (A1) represented by formula (1) below and a compound (A2) represented by formula (2) below: wherein R.sup.1 to R.sup.6 and R.sup.11 to R.sup.18 each independently represent any of a carboxyl group, a sulfo group, a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms, and a halogen atom, one of R.sup.1 to R.sup.6 is any of a carboxyl group and a sulfo group, two or three of R.sup.1 to R.sup.6 are each a hydroxyl group, one of R.sup.11 to R.sup.18 is any of a carboxyl group and a sulfo group, and two or three of R.sup.11 to R.sup.18 are each a hydroxyl group.

##STR00001##

An aqueous coating composition and a coated packaging material prepared by applying the aqueous coating composition to packaging material comprise poly(vinyl alcohol-vinyl primary amine), poly(methyl vinyl ether-maleic anhydride), and a Ca.sup.++ microgranulated bentonite clay. The poly(vinyl alcohol-vinyl primary amine) is about 90-98.5 weight percent and the combined weight of poly(methyl vinyl ether-maleic anhydride) and the Ca.sup.++ microgranulated bentonite clay is from about 1.5-10 weight percent of the coating formed on the packaging material. The weight ratio of the poly(methyl vinyl ether-maleic anhydride) to the Ca.sup.++ microgranulated bentonite clay is from about 20:80 to about 80:20. The poly(methyl vinyl ether-maleic anhydride) is at least 0.8 weight percent of the coating formed on the packaging material and/or has a weight average molecular weight of at least about 1,000,000 Daltons. The applied coating composition is dried at a temperature of up to about 50 C. to form the coated packaging material. The coating is ink-receptive and has an oxygen transmission rate of up to 0.71 cm.sup.3/100 in.sup.2/24 hr and a moisture vapor transmission rate of up to about 2.2 g/m.sup.2/24 hr.

An aqueous coating composition and a coated packaging material prepared by applying the aqueous coating composition to packaging material comprise poly(vinyl alcohol-vinyl primary amine), poly(methyl vinyl ether-maleic anhydride), and a Ca.sup.++ microgranulated bentonite clay. The poly(vinyl alcohol-vinyl primary amine) is about 90-98.5 weight percent and the combined weight of poly(methyl vinyl ether-maleic anhydride) and the Ca.sup.++ microgranulated bentonite clay is from about 1.5-10 weight percent of the coating formed on the packaging material. The weight ratio of the poly(methyl vinyl ether-maleic anhydride) to the Ca.sup.++ microgranulated bentonite clay is from about 20:80 to about 80:20. The poly(methyl vinyl ether-maleic anhydride) is at least 0.8 weight percent of the coating formed on the packaging material and/or has a weight average molecular weight of at least about 1,000,000 Daltons. The applied coating composition is dried at a temperature of up to about 50 C. to form the coated packaging material. The coating is ink-receptive and has an oxygen transmission rate of up to 0.71 cm.sup.3/100 in.sup.2/24 hr and a moisture vapor transmission rate of up to about 2.2 g/m.sup.2/24 hr.

An object of the present invention is to provide a photocurable resin composition that has excellent adhesion to plastic substrates and can form a composition with good compatibility. The present invention relates to a photocurable resin composition containing: an allylic polymer (A) produced by polymerization of an allylic compound represented by the formula (I) below; and a tackifier resin (B), ##STR00001##

An object of the present invention is to provide a photocurable resin composition that has excellent adhesion to plastic substrates and can form a composition with good compatibility. The present invention relates to a photocurable resin composition containing: an allylic polymer (A) produced by polymerization of an allylic compound represented by the formula (I) below; and a tackifier resin (B), ##STR00001##

Provided is a photocurable resin composition containing an allylic polymer (A) which has excellent adhesion to plastic substrates. The present invention relates to a photocurable resin composition containing an allylic polymer (A), the allylic polymer (A) being produced by polymerization of an allylic compound represented by the following formula (I):

##STR00001##