9 results about "Phosphonic Acid Esters" patented technology

The present invention provides a resin composition that exhibits excellent conductivity, carbon black shedding prevention, and abrasion resistance, and that can maintain a high molecular weight after solidification extrusion molding, as well as a molded article formed therefrom. [Solution] A resin composition characterized by containing (A) 3 to 15 parts by weight of (B) conductive carbon black (component B) having a DBP oil absorption of 200 to 400 ml / 100 g, (C) aromatic carbodiimide compound (component C) and (D) 0.005 to 1 part by weight of phosphonic acid ester (component D) having an acid value of 0.01 to 0.30 mgKOH / g, per 100 parts by weight of polybutylene naphthalate resin (component A).

Provided is a resin composition for obtaining a resin molded product which simultaneously exhibits three excellent effects of flame retardance, heat resistance, and mechanical strength. One aspect of the resin composition of the present invention is obtained by radically polymerizing a monomer mixture containing methyl methacrylate, a phosphorus atom-containing compound (C), and a phosphine compound (D), where the phosphorus atom-containing compound (C) comprises at least one selected from a phosphoric acid ester compound and a phosphonic acid ester compound, and the phosphine compound (D) is represented by Formula (I).[In Formula (I), R1, R2, and R3 each independently represent an aromatic hydrocarbon group having 6 to 12 carbon atoms, or the like].

The present invention provides a conductive polycarbonate resin composition that exhibits excellent surface smoothness, rigidity, and dimensional stability during molding. [Solution] A polycarbonate resin composition comprising (A) 100 parts by weight of polycarbonate resin (component A), (B) 20 to 120 parts by weight of glass flakes (component B) having a number average particle size of 5 to 160 μm and an average thickness of 0.1 to 1.5 μm, (C) 20 to 60 parts by weight of polyester resin (component C), (D) 1 to 30 parts by weight of conductive carbon black (component D), and (E) 0.001 to 1 part by weight of at least one phosphate ester (component E) selected from the group consisting of phosphonic acid esters (component E-1) with an acid value of 0.01 to 0.30 mg KOH / g, acidic phosphate esters (component E-2) with an acid value of 10 to 200 mg KOH / g, and stearyl acid phosphate zinc salt (component E-3).

The invention discloses an environment-friendly water-based paint remover for airplanes as well as a preparation method and application of the environment-friendly water-based paint remover. The water-based paint remover comprises the following raw materials: a paint removal main agent, a corrosion inhibitor, a thickener, a stabilizer and an emulsifier, the paint removal main agent comprises hydrogen peroxide and benzyl alcohol, and the stabilizer is at least one of a polymer polyether compound or nano boron carbide; the mass ratio of the hydrogen peroxide to the benzyl alcohol is (1.5-3.5): 1, the mass concentration of the hydrogen peroxide in the hydrogen peroxide is 15-25%, and the corrosion inhibitor comprises an alkyl phosphonate corrosion inhibitor and CP-NF-12. The water-based paint remover can be well suitable for airplane paint removal operation. The formula is formed by compounding low-toxicity or non-toxic raw materials, and is small in irritation to operators and environment-friendly. The paint remover has a good removal effect on various coatings such as epoxy primer, polyurethane finish paint, water-based primer and overall oil tank anticorrosive paint outside an airplane, and the paint removal speed is high.

The present invention provides a resin composition containing a recycled polycarbonate resin that exhibits excellent rigidity, thermal stability, and flame retardancy, and a molded article formed of the same. A resin composition according to the present invention contains: (A) 100 parts by weight of a polycarbonate resin (component A) composed of 1-99 parts by weight of a recycled polycarbonate resin (A-1) and 99-1 parts by weight of a non-recycled polycarbonate resin (A-2); (B) 5-100 parts by weight of at least one inorganic filler (component B) selected from the group consisting of glass fibers (component B-1), carbon fibers (component B-2), and plate-shaped glass fillers (component B-2); (C) 0.01-5 parts by weight of a flame retardant (component C); (D) 0.1-10 parts by weight of a mineral-based inorganic filler (component D); and (E) 0.01-1 parts by weight of at least one phosphate-based stabilizer (component E) selected from the group consisting of phosphonic acid esters (component E-1), acidic phosphoric acid esters (component E-2), and metal salts of acidic phosphoric acid esters (component E-3).

The present invention provides a polycarbonate resin composition which is excellent in flow stability and thermal stability and which provides a molded article with excellent appearance.　The present invention is a polycarbonate resin composition containing (C) 0.001-1.0 part by weight of a phosphonic acid compound (component C) excluding phosphonic acid esters with respect to 100 parts by weight of a resin component composed of: (A) 50.0-95.0 parts by weight of a polycarbonate resin (component A); and (B) 50.0-5.0 parts by weight of a polyester resin (component B).

The present invention provides a polycarbonate resin composition that exhibits excellent surface smoothness, rigidity, and dimensional stability during molding. [Solution] A polycarbonate resin composition containing (A) 100 parts by weight of polycarbonate resin (component A), (B) 5 to 120 parts by weight of glass flakes (component B) having a number average particle size of 5 to 150 μm and an average thickness of 0.1 to 1.5 μm, and (C) 0.001 to 1 part by weight of at least one phosphate ester (component C) selected from the group consisting of phosphonic acid esters (component C-1) with an acid value of 0.01 to 0.30 mg KOH / g, acidic phosphate esters (component C-2) with an acid value of 10 to 200 mg KOH / g, and stearyl acid phosphate zinc salt (component C-3).

Provided are: a hydrocarbon terminal group-containing compound capable of forming a cured film excellent in water repellency, slipperiness, ease of soil removal, and abrasion resistance; a surface treatment agent containing the compound; and an article surface treated with the surface treatment agent.　This hydrocarbon terminal group-containing compound has at least one C3-32 linear, branched, or cyclic monovalent hydrocarbon terminal group and has at least one reactive phosphonic acid group or phosphonic acid ester group at the other molecular terminal through a divalent or higher linking group bonded to the hydrocarbon terminal group.

To provide a method for producing oligonucleotides that can suppress the formation of by-products. [Solution] A method for producing an oligonucleotide having a phosphate ester bond by oxidizing an oligonucleotide precursor having a phosphite ester bond or a phosphonic acid ester bond with an oxidizing agent, wherein the oxidizing agent is a compound represented by formula (I) (excluding 2,2-dipyridyl disulfide) (the definition of the symbols in the formula is as described in the specification). JPEG2026110729000086.jpg844