Hypophosphorous acid metal salts powders and non-flammable inorganic or organic aluminum salt of phosphorous are used as flame retardant agents in flame retarded compositions suitable for polymer materials.

Compositions of injection molded articles, multilayer extruded articles, and 3D printed articles with improved flame properties and with improved melt dripping properties are disclosed. Improved flame resistant articles may be beneficial for a large number of injection molded parts, 3D printed parts, and extruded parts. Reduced melt dripping also may be beneficial for such applications. Methods for using such compositions, printed parts, molded parts, and extruded parts are disclosed.

The present invention relates to a non-oriented electrical steel sheet adhesive coating composition including the constituent elements below, a non-oriented electrical steel sheet product, and a manufacturing method thereof. The non-oriented electrical steel sheet adhesive coating composition includes: a first component including an organic/inorganic composite; and a second component including a composite metal phosphate, wherein the organic/inorganic composite is formed by having inorganic nanoparticles chemically substituted with some functional groups in an organic resin, the organic resin is one, or two or more, selected from an epoxy-based resin, an ester-based resin, an acrylic resin, a styrene-based resin, a urethane-based resin, and an ethylene-based resin, and the inorganic nanoparticles are one, or two or more, selected from SiO.sub.2, Al.sub.2O.sub.3, TiO.sub.2, MgO, ZnO, and ZrO.sub.2.

Fire retardant compositions including a base polymer, a fire retardant filler, and a fire retardant synergist are disclosed. The fire retardant compositions are halogen-free and heavy metal-free and can be crosslinked to form a cable insulation layer or a cable jacket. The cables can pass the UL VW-1 flame test. Cables having coverings formed from such fire retardant compositions are also described herein.

A halogen-free flame retardant thermoplastic polyurethane elastomer composition and product and flame retardant package thereof comprised thermoplastic polyurethane and halogen-free flame retardant package. The halogen-free flame retardant comprises inorganic phosphorus-based flame retardant and can further comprise expandable graphite, melamine or derivatives thereof and organic phosphorus-based flame retardant. The composition is environmentally friendly and safe, the comprehensive mechanical properties thereof are excellent, does not drip during the burning test, passed UL94 with rating of V01.5 mm, and the limiting oxygen index thereof can be up to 35%.

An article according to an exemplary embodiment of this disclosure includes a substrate and a bond coat disposed on the substrate. The bond coat includes a matrix. The matrix includes regions of ?-cristobalite. The article also includes a plurality of gettering particles disposed in the matrix, a plurality of diffusive particles disposed in the matrix, and an additive operable to stabilize the regions of ?-cristobalite at ambient temperatures dispersed in the matrix. An article and a method of coating an article are also disclosed.

An aqueous coating composition contains (A) an emulsion polymer comprising, based on the weight of the emulsion polymer, from 5% to 28% by weight of structural units of a cycloalkyl (meth) acrylate, from 0.05% to 10% by weight of structural units of a phosphorous acid monomer, a salt thereof, or mixtures thereof, from zero to 10% by weight of an additional ethylenically unsaturated acid monomer, a salt thereof, or mixture thereof, and structural units of an additional monoethylenically unsaturated nonionic monomer; (B) a specific amount of an aliphatic carboxylic acid of formula (I) HOOCR.sub.1COOH, (II) R.sub.2COOH or combinations thereof, a salt thereof, or mixtures thereof; and (C) from 2.6% to 10% by weight of an anticorrosive pigment, based on the weight of the aqueous coating composition.

An aqueous coating composition contains (A) an emulsion polymer comprising, based on the weight of the emulsion polymer, from 5% to 28% by weight of structural units of a cycloalkyl (meth) acrylate, from 0.05% to 10% by weight of structural units of a phosphorous acid monomer, a salt thereof, or mixtures thereof, from zero to 10% by weight of an additional ethylenically unsaturated acid monomer, a salt thereof, or mixture thereof, and structural units of an additional monoethylenically unsaturated nonionic monomer; (B) a specific amount of an aliphatic carboxylic acid of formula (I) HOOCR.sub.1COOH, (II) R.sub.2COOH or combinations thereof, a salt thereof, or mixtures thereof; and (C) from 2.6% to 10% by weight of an anticorrosive pigment, based on the weight of the aqueous coating composition.

The present invention relates to a thermally activatable adhesive composition for use in a method for producing a stack of metal sheets from glued together sheet metal components, the use of the adhesive composition in a method for producing a stack of metal sheets from glued together sheet metal components, the method for producing a stack of metal sheets from glued together sheet metal components, a sheet metal component coated with the adhesive composition, and a stator or rotor core containing one or more of such sheet metal components.

The invention relates to a flame-retardant polyamide composition, containing as component A 1 to 96% by weight of one or more thermoplastic polyamides, as component B 2 to 25% by weight of dialkylphosphinic salt of the formula (I) and/or a diphosphinic salt of the formula (II) and/or the polymers thereof, wherein R1, R2 are the same or different C1-C6 alkyl, linear or branched or H: R3 C1-C10 alkylene, linear or branched, C6-C10 arylene, C7-C20 alkylarylene or C7-C20 arylalkylene; M Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonized nitrogen base; m is 1 to 4; n is 1 to 4; x is 1 to 4, as component C 1 to 20% by weight salt of the phosphorous acid, as component D 1 to 50% by weight of filler or reinforcing material, as component E 0 to 2% by weight of a carboxyl ester amide, as component F 0 to 1% of a phosphonite or a mixture of a phosphonite and a phosphate, and as component G 0 to 1% by weight of an ester or salt of long-chain aliphatic carboxylic acids (fatty acids), which typically have chain lengths of C14 to C40, wherein the sum of the components is always 100% by weight.