C08L61/32

Low temperature curing 1K basecoat and method to coat a substrate with the 1K basecoat

A storage stable one component aqueous basecoat composition containing a melamine formaldehyde crosslinker and a resin having groups reactive to the melamine formaldehyde crosslinker under acid catalysis is provided. The basecoat composition is curable at a temperature of 110° C. or less when cured wet on wet with a solvent borne clear coat composition containing a polyisocyanate crosslinker. Also provided is a wet on wet two layer coating containing the one component aqueous basecoat and the solvent borne clear coat, a wet on wet three layer coating containing an aqueous primer, the one component aqueous basecoat and the solvent borne clear coat and a cured topcoat coating obtained by curing the wet on wet two layer coating.

Low temperature curing 1K basecoat and method to coat a substrate with the 1K basecoat

A storage stable one component aqueous basecoat composition containing a melamine formaldehyde crosslinker and a resin having groups reactive to the melamine formaldehyde crosslinker under acid catalysis is provided. The basecoat composition is curable at a temperature of 110° C. or less when cured wet on wet with a solvent borne clear coat composition containing a polyisocyanate crosslinker. Also provided is a wet on wet two layer coating containing the one component aqueous basecoat and the solvent borne clear coat, a wet on wet three layer coating containing an aqueous primer, the one component aqueous basecoat and the solvent borne clear coat and a cured topcoat coating obtained by curing the wet on wet two layer coating.

Low temperature curing 1K basecoat and method to coat a substrate with the 1K basecoat

A storage stable one component aqueous basecoat composition containing a melamine formaldehyde crosslinker and a resin having groups reactive to the melamine formaldehyde crosslinker under acid catalysis is provided. The basecoat composition is curable at a temperature of 110° C. or less when cured wet on wet with a solvent borne clear coat composition containing a polyisocyanate crosslinker. Also provided is a wet on wet two layer coating containing the one component aqueous basecoat and the solvent borne clear coat, a wet on wet three layer coating containing an aqueous primer, the one component aqueous basecoat and the solvent borne clear coat and a cured topcoat coating obtained by curing the wet on wet two layer coating.

Addition polymer for electrodepositable coating compositions

The present invention is directed to an addition polymer comprising an addition polymer backbone; at least one moiety comprising a phosphorous acid group, the moiety being covalently bonded to the addition polymer backbone by a carbon-carbon bond; and at least one carbamate functional group. The present invention is also directed towards methods of making the addition polymer, aqueous resinous dispersions and electrodepositable coating compositions comprising the addition polymer, methods of coating a substrate and coated substrates.

THERMOSET UNDERCOATING COMPOSITIONS COMPATIBLE WITH FREE-RADICALLY CURED OVERCOATING FOR METAL SUBSTRATES
20230193048 · 2023-06-22 · ·

A thermoset undercoating composition for a food or beverage container or other packaging container, the thermoset undercoating composition comprising a binder polymer, an adhesion promoting additive comprising an aminoplast resin having at least one reactive group having an ethylenically unsaturated double bond that is reactive under free-radical curing conditions, an optional crosslinker configured to react with the binder polymer upon thermal curing of the thermoset undercoating composition, wherein the optional crosslinker preferably does not include groups that are reactive under free-radical curing conditions, and a liquid carrier.

HALOGEN-FREE EPOXY RESIN COMPOSITION, PREPREG AND LAMINATE USING SAME
20170283609 · 2017-10-05 ·

Provided in the present invention are a halogen-free epoxy resin composition, prepreg and laminate using the same, the halogen-free epoxy resin composition comprising: (A) a halogen-free epoxy resin; (B) a crosslinking agent; and (C) a phosphorous-containing phenolic resin, the phosphorous-containing phenolic resin being formed by a synthesis of phenol and formaldehyde with dicyclopentadiene phenol, and being substituted by 9,10-dihydro-9-oxa-10-phosphapheanthrene-10-oxide or a derivative thereof. The prepreg and laminate prepared from the halogen-free epoxy resin composition have a high heat resistance, a low dielectric constant, a low dielectric loss factor and a low water absorption rate, and achieve halogen-free flame retardance.

HALOGEN-FREE EPOXY RESIN COMPOSITION, PREPREG AND LAMINATE USING SAME
20170283609 · 2017-10-05 ·

Provided in the present invention are a halogen-free epoxy resin composition, prepreg and laminate using the same, the halogen-free epoxy resin composition comprising: (A) a halogen-free epoxy resin; (B) a crosslinking agent; and (C) a phosphorous-containing phenolic resin, the phosphorous-containing phenolic resin being formed by a synthesis of phenol and formaldehyde with dicyclopentadiene phenol, and being substituted by 9,10-dihydro-9-oxa-10-phosphapheanthrene-10-oxide or a derivative thereof. The prepreg and laminate prepared from the halogen-free epoxy resin composition have a high heat resistance, a low dielectric constant, a low dielectric loss factor and a low water absorption rate, and achieve halogen-free flame retardance.

Nitrification inhibitors to improve fertilizer efficiency
11198652 · 2021-12-14 ·

Disclosed are compositions and methods of making a liquid fertilizer additive of biodegradable polymeric and/or oligomeric nitrification inhibitors comprised of utilizing a non-aqueous polar, aprotic organo liquid (NAPAOL) as the reaction medium for the reaction of aldehyde(s) with cyano-containing nitrification inhibitors that have one or more aldehyde reactive groups selected from the group consisting of a) primary, b) secondary amines, c) amides, d) thiols, e) hydroxyls and f) phenols.

Nitrification inhibitors to improve fertilizer efficiency
11198652 · 2021-12-14 ·

Disclosed are compositions and methods of making a liquid fertilizer additive of biodegradable polymeric and/or oligomeric nitrification inhibitors comprised of utilizing a non-aqueous polar, aprotic organo liquid (NAPAOL) as the reaction medium for the reaction of aldehyde(s) with cyano-containing nitrification inhibitors that have one or more aldehyde reactive groups selected from the group consisting of a) primary, b) secondary amines, c) amides, d) thiols, e) hydroxyls and f) phenols.

Schiff base oligomers

Aspects of the present disclosure relate to Schiff base oligomers and uses thereof. In at least one aspect, an oligomer is represented by Formula (IV) wherein each instance of R.sup.9 is independently selected from the group consisting of alkyl, cycloalkyl, aryl, heteroaryl, and ether. Each instance of R.sup.28 and R.sup.29 of Formula (IV) is independently selected from the group consisting of hydrogen, alkyl, cycloalkyl, and aryl. Each instance of R.sup.33 of Formula (IV) is independently selected from the group consisting of alkyl, cycloalkyl, aryl, heterocyclyl, and a bond. Each instance of R.sup.41 of Formula (IV) is independently —NH— or a bond and each instance of R.sup.40 is independently —NH— or —NH—NH—. Each instance of R.sup.42 of Formula (IV) is independently —NH— or a bond and each instance of R.sup.43 is independently —NH— or —NH—NH—.