Patent ID: 8735473

Claim:
A flame-retardant thermoplastic resin composition comprising: flame retardant components (C) and (D) and compatibilizing dispersion agent (E), blended with a thermoplastic resin composition having a thermoplastic polyurethane elastomer of the Component (A) and an ethylene polymer and/or an ethylene copolymer of the Component (B) as the main components, wherein the amount of Components (C), (D) and (E) relative to 100 mass parts of the thermoplastic resin composition having Components (A) and (B) are 5-60 mass parts of Component (C), 10-90 mass parts of Component (D) and 0.5 to less than 5 mass parts of component (E) and wherein the blending amount of the above component (A) is 5-80 mass % relative to 100 mass % of the total amount of the components (A) and (B); Component (C): a (poly) phosphate compound represented by the following formula (1): wherein n in the formula (1) represents a number of 1-100, X 1 is an ammonia or a triazine group represented by the following formula (2), p is a number satisfying a relation of 0<p≦n+2 ; wherein Z 1 and Z 2 in the formula (2) may be identical or different and are groups selected from groups of: a —NR 5 R 6 group, wherein R 5 and R 6 are each independently a hydrogen atom, a straight chain or branched alkyl group having 1˜6 carbon atoms, or a methylol group; a hydroxyl group; a mercapto group; a straight chain or branched alkyl group having 1˜10 carbon atoms; a straight chain or branched alkoxy group having 1˜10 carbon atoms; a phenyl group; and a vinyl group; Component (D): a (poly) phosphate compound represented by the following formula (3): wherein r in the formula (3) represents a number of 1˜100, Y 1 is a diamine containing the group R 1 R 2 N(CH 2 ) m NR 3 R 4 , a piperazine group or a diamine group containing piperazine ring; R 1 , R 2 , R 3 and R 4 are each independently a hydrogen atom, or a straight chain or branched alkyl group having 1˜5 carbon atoms; m is an integer of 1˜10, and q is a number satisfying a relation of 0<q≦r+2; Component (E): a phosphoric acid ester compound represented by the following formula (4). wherein R 7 , R 8 , R 10 and R 11 in the formula (4) may be identical or different and represent an alkyl group having 1˜10 carbon atoms, or an aromatic group represented by the following general formula (5); R 9 represents a bivalent aromatic group represented by the following formula (6) or (7), s is a number of 0-30; wherein A 1 and A 2 in the above formulae each independently represent a hydrogen atom, a hydroxy group or an alkyl group having 1-10 carbon atoms; A 3 , A 4 , A 5 , A 6 , A 7 and A 8 each independently represent a hydrogen atom, an alkyl group having 1˜4 carbon atoms, a cycloalkyl group, an aryl group, an alkoxy group, a nitro group, a halogen atom or a cyano group; G represents a direct bond, a bivalent sulfur atom, or a sulfonic group, an alkylidene group having 1˜5 carbon atoms or an alkylene group.