A flame retardant resin composition containing 1 to 100 parts by weight of (B) an organophosphorus compound (component B) represented by the following formula (1) per 100 parts by weight of (A) a resin component (component A) containing at least 60 wt % of an acrylic resin has high flame retardancy, high transparency and satisfactory physical properties:

##STR00001##

wherein X.sup.1 and X.sup.2 are the same or different, and represent alkyl groups substituted with aromatic groups represented by the following formula (2):

ALAr.sub.n  (2)

wherein AL represents a branched or linear aliphatic hydrocarbon group having 1 to 5 carbon atoms, Ar represents a phenyl group, a naphthyl group, or an anthryl group each optionally substituted, n represents an integer of 1 to 3, and Ar can be bonded to any carbon atom in AL.

A flame retardant resin composition containing 1 to 100 parts by weight of (B) an organophosphorus compound (component B) represented by the following formula (1) per 100 parts by weight of (A) a resin component (component A) containing at least 60 wt % of an acrylic resin has high flame retardancy, high transparency and satisfactory physical properties:

##STR00001##

wherein X.sup.1 and X.sup.2 are the same or different, and represent alkyl groups substituted with aromatic groups represented by the following formula (2):

ALAr.sub.n  (2)

wherein AL represents a branched or linear aliphatic hydrocarbon group having 1 to 5 carbon atoms, Ar represents a phenyl group, a naphthyl group, or an anthryl group each optionally substituted, n represents an integer of 1 to 3, and Ar can be bonded to any carbon atom in AL.

A flame retardant resin composition containing 1 to 100 parts by weight of (B) an organophosphorus compound (component B) represented by the following formula (1) per 100 parts by weight of (A) a resin component (component A) containing at least 60 wt % of an acrylic resin has high flame retardancy, high transparency and satisfactory physical properties:

##STR00001##

wherein X.sup.1 and X.sup.2 are the same or different, and represent alkyl groups substituted with aromatic groups represented by the following formula (2):

ALAr.sub.n  (2)

wherein AL represents a branched or linear aliphatic hydrocarbon group having 1 to 5 carbon atoms, Ar represents a phenyl group, a naphthyl group, or an anthryl group each optionally substituted, n represents an integer of 1 to 3, and Ar can be bonded to any carbon atom in AL.

The present invention relates to a thermoplastic molding composition comprising a thermoplastic polyester, a metal salt of formula (I), a halogen-containing flame retardant, and an anti-dripping agent; a method of producing fibers, foils and moldings comprising the use of the thermoplastic molding composition; and a fiber, foil or molding obtained from the thermoplastic molding composition.

##STR00001##

The present invention relates to a thermoplastic molding composition comprising a thermoplastic polyester, a metal salt of formula (I), a halogen-containing flame retardant, and an anti-dripping agent; a method of producing fibers, foils and moldings comprising the use of the thermoplastic molding composition; and a fiber, foil or molding obtained from the thermoplastic molding composition.

##STR00001##

The present invention relates to a thermoplastic molding composition comprising a thermoplastic polyester, a metal salt of formula (I), a halogen-containing flame retardant, and an anti-dripping agent; a method of producing fibers, foils and moldings comprising the use of the thermoplastic molding composition; and a fiber, foil or molding obtained from the thermoplastic molding composition.

##STR00001##

A composition containing a polymer material and a phosphorus-containing flame retardant based on an aminomethyl bisphosphonate, a process for the production of the composition, and the use of the flame retardant as well as selected structures of the flame retardant are disclosed.

A composition containing a polymer material and a phosphorus-containing flame retardant based on an aminomethyl bisphosphonate, a process for the production of the composition, and the use of the flame retardant as well as selected structures of the flame retardant are disclosed.

The present disclosure relates to a polyester resin composition including a polyester resin including a diol residue and a dicarboxylic acid residue, wherein the diol residue includes a cyclohexanedimethanol residue and the dicarboxylic acid residue includes an isophthalic acid residue and a terephthalic acid residue, wherein an amount of the isophthalic acid residue is 0 to 20 mol % when a total amount of the dicarboxylic acid residue is considered as 100 mol %, wherein an amount of the cyclohexanedimethanol residue is 50 to 100 mol % when a total amount of the diol residue is considered as 100 mol %, wherein the polyester resin composition includes an antioxidant, and wherein the antioxidant includes a phenol-based antioxidant, a phosphorus-based antioxidant, and a sulfur-based antioxidant.

The present disclosure relates to a polyester resin composition including a polyester resin including a diol residue and a dicarboxylic acid residue, wherein the diol residue includes a cyclohexanedimethanol residue and the dicarboxylic acid residue includes an isophthalic acid residue and a terephthalic acid residue, wherein an amount of the isophthalic acid residue is 0 to 20 mol % when a total amount of the dicarboxylic acid residue is considered as 100 mol %, wherein an amount of the cyclohexanedimethanol residue is 50 to 100 mol % when a total amount of the diol residue is considered as 100 mol %, wherein the polyester resin composition includes an antioxidant, and wherein the antioxidant includes a phenol-based antioxidant, a phosphorus-based antioxidant, and a sulfur-based antioxidant.