The present invention is in the field of polymers comprising XRF identifiable tracers allowing information to be encoded by the polymers, and in particular polymers for conservation, restoration and retouching in artworks, electronics, coatings, plastics etc.

Provided is an additive for concrete in which viscosity of a cement composition is low and fluidity is high at an initial stage of casting even when the additive is added, and long-term strength of concrete or the like improves by the addition. A cement additive comprising a water-absorbent resin, wherein the water-absorbent resin is formed by polymerizing a monomer mixture containing no less than 50 mol % of a nonionic non-crosslinkable monomer and no less than 0.1 mol % of a nonionic crosslinkable monomer, and a content of an anionic monomer in the monomer mixture is no more than 20 mol %.

Provided is an additive for concrete in which viscosity of a cement composition is low and fluidity is high at an initial stage of casting even when the additive is added, and long-term strength of concrete or the like improves by the addition. A cement additive comprising a water-absorbent resin, wherein the water-absorbent resin is formed by polymerizing a monomer mixture containing no less than 50 mol % of a nonionic non-crosslinkable monomer and no less than 0.1 mol % of a nonionic crosslinkable monomer, and a content of an anionic monomer in the monomer mixture is no more than 20 mol %.

The present disclosure provides for an aqueous dispersion for use in coating applications. The aqueous dispersion includes an aqueous composition and a solid content of a melt blend product having an acid functionalized polypropylene base polymer, a polypropylene copolymer, an acid functionalized polypropylene wax and an acid functionalized polyolefin. The aqueous dispersion is included in a coating composition, where the coating composition includes the aqueous dispersion, a solvent, a crosslinker and a basic water composition having water and a base. The present disclosure also provides for a coated article having a substrate and a coating on the substrate, where the coating includes the coating composition of the present disclosure.

Provided is a polymerizable composition for an optical article including a photochromic compound, a component A: an acyclic methacrylate having a molecular weight of 500 or more, and a component B: a (meth)acrylate having a molecular weight of 400 or less and represented by Formula 1. In Formula 1, R.sup.1 and R.sup.2 each independently represent a hydrogen atom or a methyl group, m represents an integer of 1 or more.

##STR00001##

The present application discloses a secondary battery, an apparatus comprising the secondary battery, a process for the preparation of the secondary battery, and a binder composition. The secondary battery comprises a binder for bonding a first substance and a second substance, the binder comprising a polymer obtained by crosslinking a binder composition, wherein the binder composition comprises a cross-linkable polymer matrix and a cross-linking agent, the cross-linkable polymer matrix comprises one or more of monomer units represented by formula (I), and the cross-linking agent comprises a compound represented by formula (II). The secondary battery provided by the present application has an effectively improved cycle life.

##STR00001##

The present application discloses a secondary battery, an apparatus comprising the secondary battery, a process for the preparation of the secondary battery, and a binder composition. The secondary battery comprises a binder for bonding a first substance and a second substance, the binder comprising a polymer obtained by crosslinking a binder composition, wherein the binder composition comprises a cross-linkable polymer matrix and a cross-linking agent, the cross-linkable polymer matrix comprises one or more of monomer units represented by formula (I), and the cross-linking agent comprises a compound represented by formula (II). The secondary battery provided by the present application has an effectively improved cycle life.

##STR00001##

A resin composition includes a vinyl group-containing polyphenylene ether resin, a polyolefin and a magnesium and aluminum combination ionic compound, wherein the magnesium and aluminum combination ionic compound has a thermal resistance of greater than or equal to 600° C. The resin composition may be used to make various articles, such as a prepreg, a resin film, a laminate or a printed circuit board, and at least one of the following improvements can be achieved, including glass transition temperature, copper foil peeling strength, thermal resistance and dissipation factor.

The present invention relates to a consolidated nonwoven consolidated by treatment with an aqueous binder composition comprising:

a polymer P,

a polyvinyl alcohol,

optional a starch compound S and

optional at least one metal compound M selected from the group consisting of magnesium, calcium and zinc, in the form of an oxide, hydroxide, carbonate or bicarbonate,

wherein the polymer P is obtainable by free radical aqueous emulsion polymerization of a monomer mixture of

75 to 99% by weight of one or more monomers a) selected from the group consisting of esters of acrylic and/or methacrylic acid with alkanols of 1 to 12 carbon atoms, aliphatic conjugated diene and aromatic vinyl compound

1 to 25% by weight of one or more monomers b) selected from the group consisting of N-methylolacrylamide, N-methylolmethacrylamide, glycidyl methacrylate and carboxylic acid-functional ethylenically unsaturated monomers

≥0 to 15% by weight of one or more further ethylenically unsaturated monomer c) different from any of monomers a) and b)

wherein the amounts of monomers a) to c) sum to 100 wt %,

the water-based binder composition, the process of for producing the consolidated nonwoven and its use as reinforcing insert for bituminized roofing membranes.

The present invention relates to a consolidated nonwoven consolidated by treatment with an aqueous binder composition comprising:

a polymer P,

a polyvinyl alcohol,

optional a starch compound S and

optional at least one metal compound M selected from the group consisting of magnesium, calcium and zinc, in the form of an oxide, hydroxide, carbonate or bicarbonate,

wherein the polymer P is obtainable by free radical aqueous emulsion polymerization of a monomer mixture of

75 to 99% by weight of one or more monomers a) selected from the group consisting of esters of acrylic and/or methacrylic acid with alkanols of 1 to 12 carbon atoms, aliphatic conjugated diene and aromatic vinyl compound

1 to 25% by weight of one or more monomers b) selected from the group consisting of N-methylolacrylamide, N-methylolmethacrylamide, glycidyl methacrylate and carboxylic acid-functional ethylenically unsaturated monomers

≥0 to 15% by weight of one or more further ethylenically unsaturated monomer c) different from any of monomers a) and b)

wherein the amounts of monomers a) to c) sum to 100 wt %,

the water-based binder composition, the process of for producing the consolidated nonwoven and its use as reinforcing insert for bituminized roofing membranes.