C08K5/42

POLYURETHANE MULTI-PART KIT SYSTEM
20230130041 · 2023-04-27 · ·

This invention relates to a multi-part kit system to repair damaged products used in industrial applications, comprising a part A which comprises A1) MDI prepolymer, A2) fumed silica and A3) plasticizer; a part B which comprises B1) hydroquinone di-(2-hydroxyethyl)ether and B2) plasticizer; and a part C which comprises C1) polyol, C2) optionally catalyst and C3) optionally plasticizer.

Semi transparent nitrile glove

A semi transparent nitrile glove comprising nitrile latex, caustic alkali, accelerators, vulcanizing agents, stabilizer and antifoaming agent, wherein the nitrile latex is any one selected from either acrylonitrile butadiene copolymer or carboxylated acrylonitrile butadiene copolymer, wherein the caustic alkali is a combination of either potassium hydroxide and ammonia or sodium hydroxide and ammonia, wherein the accelerators are chemical compounds of dithiocarbamates, wherein the vulcanizing agents are selected from both ionic and covalent vulcanizing agents, wherein the stabilizer is any one of either sodium dodecylbenzene sulfonate or sodium dodecyl sulfate and wherein the antifoaming agent is any one from a group consisting of silicone based antifoam, non-silicone based antifoam, oil based antifoam and water based antifoam wherein the semi transparent glove is without pigment and without titanium dioxide.

Semi transparent nitrile glove

A semi transparent nitrile glove comprising nitrile latex, caustic alkali, accelerators, vulcanizing agents, stabilizer and antifoaming agent, wherein the nitrile latex is any one selected from either acrylonitrile butadiene copolymer or carboxylated acrylonitrile butadiene copolymer, wherein the caustic alkali is a combination of either potassium hydroxide and ammonia or sodium hydroxide and ammonia, wherein the accelerators are chemical compounds of dithiocarbamates, wherein the vulcanizing agents are selected from both ionic and covalent vulcanizing agents, wherein the stabilizer is any one of either sodium dodecylbenzene sulfonate or sodium dodecyl sulfate and wherein the antifoaming agent is any one from a group consisting of silicone based antifoam, non-silicone based antifoam, oil based antifoam and water based antifoam wherein the semi transparent glove is without pigment and without titanium dioxide.

POLYOLEFIN RESIN MODIFIER, POLYOLEFIN RESIN COMPOSITION, MODIFIED POLYOLEFIN RESIN FILM, AND LAMINATED FILM
20220325087 · 2022-10-13 ·

Polyolefin resin modifiers are provided that contain a nonionic surfactant, an organic sulfonate salt, and an inorganic salt. The organic sulfonate salt can be at least one selected from the group consisting of alkylsulfonic acid alkali metal salts whose alkyl group has 6 to 22 carbon atoms, alkylarylsulfonic acid alkali metal salts whose alkyl group has 6 to 22 carbon atoms, and sulfonic aliphatic ester alkali metal salts whose alkyl group has 6 to 22 carbon atoms. The inorganic salt can be at least one selected from the group consisting of sodium sulfate, potassium sulfate, calcium sulfate, lithium sulfate, sodium chloride, potassium chloride, lithium chloride, magnesium chloride, and calcium chloride.

POLYOLEFIN RESIN MODIFIER, POLYOLEFIN RESIN COMPOSITION, MODIFIED POLYOLEFIN RESIN FILM, AND LAMINATED FILM
20220325087 · 2022-10-13 ·

Polyolefin resin modifiers are provided that contain a nonionic surfactant, an organic sulfonate salt, and an inorganic salt. The organic sulfonate salt can be at least one selected from the group consisting of alkylsulfonic acid alkali metal salts whose alkyl group has 6 to 22 carbon atoms, alkylarylsulfonic acid alkali metal salts whose alkyl group has 6 to 22 carbon atoms, and sulfonic aliphatic ester alkali metal salts whose alkyl group has 6 to 22 carbon atoms. The inorganic salt can be at least one selected from the group consisting of sodium sulfate, potassium sulfate, calcium sulfate, lithium sulfate, sodium chloride, potassium chloride, lithium chloride, magnesium chloride, and calcium chloride.

UV stabilization of a cross-linkable polyolefin composition comprising an acidic silanol condensation catalyst

The present invention relates to a polyolefin composition comprising a cross-linkable polyolefin with hydrolysable silane groups, an acidic silanol condensation catalyst, wherein the acidic silanol condensation catalyst is present in an amount of 0.0001 to 3 wt. % of the polyolefin composition, at least one UV stabilizer selected from the group consisting of phenols, benzophenones and/or combinations thereof, wherein component (C) is present in an amount of 0.0001 to 0.35 wt. % of the polyolefin composition, and/or at least one UV stabilizer selected from triazines, wherein component (D) is present in an amount of 0.0001 to 2.0 wt. % of the polyolefin composition. The present invention also relates to an article comprising such a composition, and to the use of such a composition for the production of an article.

UV stabilization of a cross-linkable polyolefin composition comprising an acidic silanol condensation catalyst

The present invention relates to a polyolefin composition comprising a cross-linkable polyolefin with hydrolysable silane groups, an acidic silanol condensation catalyst, wherein the acidic silanol condensation catalyst is present in an amount of 0.0001 to 3 wt. % of the polyolefin composition, at least one UV stabilizer selected from the group consisting of phenols, benzophenones and/or combinations thereof, wherein component (C) is present in an amount of 0.0001 to 0.35 wt. % of the polyolefin composition, and/or at least one UV stabilizer selected from triazines, wherein component (D) is present in an amount of 0.0001 to 2.0 wt. % of the polyolefin composition. The present invention also relates to an article comprising such a composition, and to the use of such a composition for the production of an article.

TRANSPARENT, FLAME-RETARDANT HIGH-HEAT POLYCARBONATE COMPOSITIONS FOR THIN WALL APPLICATIONS

A flame retardant composition comprising: 45.0-99.9 wt % of a high heat copolycarbonate comprising high heat carbonate units derived from high heat bisphenol monomers, and optionally comprising low heat carbonate units, wherein a homopolycarbonate of the low heat carbonate units has a glass transition temperature of up to 150° C. as determined by differential scanning calorimetry as per ASTM D3418 with heating rate of 20° C./min; 0-55 wt % of a homopolycarbonate; 0.1-0.8 wt % of a Ci-i6 alkyl sulfonate salt flame retardant; each based on the total weight of the flame retardant composition wherein a molded sample of the flame retardant composition has a UL 94 rating of V0 at a thickness of 1.5 millimeter, and a transmission of greater than 80%, 85%, or 88% or a haze of less than 2%, or 1%, each of the transmission and haze was determined according ASTM D1003 at a thickness of 1.0 millimeter.

TRANSPARENT, FLAME-RETARDANT HIGH-HEAT POLYCARBONATE COMPOSITIONS FOR THIN WALL APPLICATIONS

A flame retardant composition comprising: 45.0-99.9 wt % of a high heat copolycarbonate comprising high heat carbonate units derived from high heat bisphenol monomers, and optionally comprising low heat carbonate units, wherein a homopolycarbonate of the low heat carbonate units has a glass transition temperature of up to 150° C. as determined by differential scanning calorimetry as per ASTM D3418 with heating rate of 20° C./min; 0-55 wt % of a homopolycarbonate; 0.1-0.8 wt % of a Ci-i6 alkyl sulfonate salt flame retardant; each based on the total weight of the flame retardant composition wherein a molded sample of the flame retardant composition has a UL 94 rating of V0 at a thickness of 1.5 millimeter, and a transmission of greater than 80%, 85%, or 88% or a haze of less than 2%, or 1%, each of the transmission and haze was determined according ASTM D1003 at a thickness of 1.0 millimeter.

ANTISTATIC AGENT

Provided is an antistatic agent (Z) containing: a block polymer (A) having a block of a hydrophobic polymer (a) and a block of a hydrophilic polymer (b) as structure units; and a sulfonate (S), the sulfonate (S) being a salt of an alkylbenzenesulfonic acid anion which has a C6-C18 alkyl group, the sulfonate (S) including at least two alkylbenzenesulfonates different in the number of carbon atoms of the alkyl group in the anion, the sulfonate (S) satisfying the following formula:


0.40≤W(n)/[W(n−1)+W(n)+W(n+1)]≤0.90

wherein n is the number of carbon atoms of the alkyl group in the anion of an alkylbenzenesulfonate accounting for the highest proportion by weight in the sulfonate (S); W(n) is a weight of said alkylbenzenesulfonate; and W(n−1) and W(n+1) are respectively a weight of an alkylbenzenesulfonate containing an anion having an alkyl group with (n−1) carbon atoms and a weight of an alkylbenzenesulfonate containing an anion having an alkyl group with (n+1) carbon atoms.