Fire-retardant resin composition
AssigneeKyowa Chemical Industry Co., Ltd.
InventorsShigeo Miyata, Takeshi Imahashi
Life of this patent
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Abstract
A fire-retardant resin composition comprising (A) 100 parts by weight of a member selected from the group consisting of the thermoplastic resins and the thermosetting resins, (B) about 1 to about 50 parts by weight of a halogen-containing organic fire retardant, (C) about 0.05 to about 10 parts by weight of a hydrotalcite having a BET specific surface area not exceeding about 30 square meters per gram, as a stabilizer, and (D) 0 to about 20 parts by weight of a fire-retarding assistant other than the fire retardant of (B), above.
Claims20
A fire-retardant resin composition comprising
- (A) 100 parts by weight of a member selected from the group consisting of the thermoplastic resins and the thermosetting resins,
- (B) about 5 to about 30 parts by weight of a halogen-containing organic fire retardant,
- (C) about 0.1 to about 5 parts by weight of a hydrotalcite having a BET specific surface area not exceeding about 30 square meters per gram, as a stabilizer, and represented by the formula (1)
- Mg.sub.1-x Al.sub.x (OH).sub.2 A.sub.x/n.sup.n-.mH.sub.2 O (1)
- wherein A.sup.n- is an anion of n value, and x and m each represent a number shown by the following formulas
- 0<x<0.5 and 0<m<1, and
- (D) 0 to about 20 parts by weight of a fire-retarding assistant other than the fire retardant of (B), above,
- said halogen-containing organic fire retardant (B) is selected from the group consisting of chlorinated polyethylene, chlorinated paraffin, brominated polyphenyl, chlorinated polyphenyl, perchloropentacyclodecane, tetrabromoethane, tetrabromobutane, decabromo diphenyloxide, 1,2-dibromo-3-chloropropane, 1,2,3-tribromopropane, hexabromocyclodecane, tetrabromobenzene and chlorinated diphenyl.
A fire-retardant resin composition comprising
- (A) 100 parts by weight of a member selected from the group consisting of the thermoplastic resins and the thermosetting resins,
- (B) about 5 to about 30 parts by weight of a halogen-containing organophosphorous fire retardant,
- (C) about 0.1 to about 5 parts by weight of a hydrotalcite having a BET specific surface area not exceeding about 30 square meters per gram, as a stabilizer, and represented by the formula (1)
- Mg.sub.1-x Al.sub.x (OH).sub.2 A.sub.x/n.sup.n-.mH.sub.2 O (1)
- wherein A.sup.n- is an anion of n value, and x and m each represent a number shown by the following formulas
- 0<x<0.5 and 0<m<1,
- and
- (D) 0 to about 20 parts by weight of a fire-retarding assistant other than the fire retardant of (B), above,
- said halogen-containing organophosphorous fire retardant (B) is selected from the group consisting of tris(chloropropyl) phosphate, tris(dichloropropyl)phosphate, tris(chloropropyl)phosphate, bis(2,3-dibromopropyl)-2,3-dichloropropyl phosphate, tris(2,3-dibromopropyl)phosphate and bis(chloropropyl)monoctyl phosphate.
A fire-retardant resin composition comprising:
- (A) 100 parts by weight of a member selected from the group consisting of the thermoplastic resins and the thermosetting resins;
- (B) 1 to 50 parts by weight of a halogen-containing organic fire retardant or a halogen-containing organophosphorous fire-retardant;
- (C) 0.05 to 10 parts by weight of a hydrotalcite having a BET specific surface area not exceeding 30 square meters per gram, as a stabilizer, and represented by the formula (1)
- Mg.sub.1-x Al.sub.x (OH).sub.2 A.sub.x/n.sup.n-.mH.sub.2 O (1)
- wherein A.sup.n- is an anion of n value, and x and m each represent a number shown by the following formulas
- 0<x<0.5 and 0<m<1, and
- (D) 0 to 20 parts by weight of a fire-retarding assistant other than the fire retardant of (B), above.
Dependencies are inferred from the claim text.