A resin composition, including resin and peroxide, is provided. The resin includes liquid rubber resin, polyphenylene ether resin, and a crosslinking agent. The sum of the liquid rubber resin, the polyphenylene ether resin, and the crosslinking agent is 100 parts by mass. The amount of the peroxide used is between 0.1 phr and 5 phr. The peroxide is composed of tertiary butyl cumyl peroxide and an inorganic compound.

A resin composition, including resin and peroxide, is provided. The resin includes liquid rubber resin, polyphenylene ether resin, and a crosslinking agent. The sum of the liquid rubber resin, the polyphenylene ether resin, and the crosslinking agent is 100 parts by mass. The amount of the peroxide used is between 0.1 phr and 5 phr. The peroxide is composed of tertiary butyl cumyl peroxide and an inorganic compound.

The invention relates to an organic phosphorous compound flame retardant, their preparation methods and applications. The organic phosphorous compound flame retardants are prepared by drop-wise adding at least one from the soluble salts of di-alkyl hypophosphorous acid or soluble salts of mono-alkyl hypophosphorous acid as well as at least one from the soluble salts of alkyl phosphorous acid or soluble salts of phosphorous acid into the solution of soluble non-halogen salt of II-IV valent metal to react, or drop-wise adding at least one from the di-alkyl hypophosphorous acid or mono-alkyl hypophosphorous acid, and at least one from the alkyl phosphorous acid or phosphorous acid into at least one from the active oxides or hydroxides of II-IV valent metal to react.

The invention relates to an organic phosphorous compound flame retardant, their preparation methods and applications. The organic phosphorous compound flame retardants are prepared by drop-wise adding at least one from the soluble salts of di-alkyl hypophosphorous acid or soluble salts of mono-alkyl hypophosphorous acid as well as at least one from the soluble salts of alkyl phosphorous acid or soluble salts of phosphorous acid into the solution of soluble non-halogen salt of II-IV valent metal to react, or drop-wise adding at least one from the di-alkyl hypophosphorous acid or mono-alkyl hypophosphorous acid, and at least one from the alkyl phosphorous acid or phosphorous acid into at least one from the active oxides or hydroxides of II-IV valent metal to react.

The invention relates to an organic phosphorous compound flame retardant, their preparation methods and applications. The organic phosphorous compound flame retardants are prepared by drop-wise adding at least one from the soluble salts of di-alkyl hypophosphorous acid or soluble salts of mono-alkyl hypophosphorous acid as well as at least one from the soluble salts of alkyl phosphorous acid or soluble salts of phosphorous acid into the solution of soluble non-halogen salt of II-IV valent metal to react, or drop-wise adding at least one from the di-alkyl hypophosphorous acid or mono-alkyl hypophosphorous acid, and at least one from the alkyl phosphorous acid or phosphorous acid into at least one from the active oxides or hydroxides of II-IV valent metal to react.

The present invention relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at least one flame-retardant substance (FD1) chosen from a phosphorus-based additive. In particular the present invention it relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at least one flame-retardant substance (FD1) chosen from a phosphorus-based additive that can be used as a syrup and especially as a syrup for impregnation and for the preparation for improving the fire resistance of a thermoplastic polymer or matrix obtained after polymerization of the syrup. Also concerned is a thermoplastic material obtained after polymerization of the liquid composition or syrup. The invention also relates to a process for manufacturing such a liquid composition or syrup. The invention also relates to a process for impregnating a fibrous substrate of long fibers with said liquid composition or syrup. The invention also relates to a fibrous substrate preimpregnated with said liquid composition or syrup which is useful for manufacturing composite parts. The present invention also relates to a process for manufacturing mechanical parts or structural elements made of composite material and to mechanical parts or structural elements made of composite material obtained via a process using such a liquid composition.

The present invention relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at least one flame-retardant substance (FD1) chosen from a phosphorus-based additive. In particular the present invention it relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at least one flame-retardant substance (FD1) chosen from a phosphorus-based additive that can be used as a syrup and especially as a syrup for impregnation and for the preparation for improving the fire resistance of a thermoplastic polymer or matrix obtained after polymerization of the syrup. Also concerned is a thermoplastic material obtained after polymerization of the liquid composition or syrup. The invention also relates to a process for manufacturing such a liquid composition or syrup. The invention also relates to a process for impregnating a fibrous substrate of long fibers with said liquid composition or syrup. The invention also relates to a fibrous substrate preimpregnated with said liquid composition or syrup which is useful for manufacturing composite parts. The present invention also relates to a process for manufacturing mechanical parts or structural elements made of composite material and to mechanical parts or structural elements made of composite material obtained via a process using such a liquid composition.

The present invention relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at least one flame-retardant substance (FD1) chosen from a phosphorus-based additive. In particular the present invention it relates to a liquid composition comprising a monomer, a (meth)acrylic polymer and at least one flame-retardant substance (FD1) chosen from a phosphorus-based additive that can be used as a syrup and especially as a syrup for impregnation and for the preparation for improving the fire resistance of a thermoplastic polymer or matrix obtained after polymerization of the syrup. Also concerned is a thermoplastic material obtained after polymerization of the liquid composition or syrup. The invention also relates to a process for manufacturing such a liquid composition or syrup. The invention also relates to a process for impregnating a fibrous substrate of long fibers with said liquid composition or syrup. The invention also relates to a fibrous substrate preimpregnated with said liquid composition or syrup which is useful for manufacturing composite parts. The present invention also relates to a process for manufacturing mechanical parts or structural elements made of composite material and to mechanical parts or structural elements made of composite material obtained via a process using such a liquid composition.

A flame-retardant polymer composition comprising a polymer, a flame retardant, a high aspect ratio particulate mineral and optionally a reinforcing material, articles made from and comprising said flame-retardant polymer composition and methods of making said flame-retardant polymer composition.

A flame-retardant polymer composition comprising a polymer, a flame retardant, a high aspect ratio particulate mineral and optionally a reinforcing material, articles made from and comprising said flame-retardant polymer composition and methods of making said flame-retardant polymer composition.