Patent References 3928497 Smoke and fire resistant compositions Anti-drip additive system for fire retardant polypropylene Patent #: 4147741 InventorsApplicationNo. 06/877798 filed on 06/24/1986US Classes:524/412, Halogen atom other than Cl174/110PM, Polyethylene (including "Mylar")524/409, Antimony524/410, Atom other than Sb and oxygen524/411, With halogenated nonreactant material524/436, Group IIA metal DNRM (i.e., Be, Mg, Ca, Sr, Ba)524/437Aluminum DNRMExaminersPrimary: Hoke, Veronica P.Attorney, Agent or FirmInternational ClassesC08L 23/00 (20060101)C08L 23/08 (20060101) C08K 3/00 (20060101) C08K 3/22 (20060101) Foreign Application Priority Data1985-06-25 JPAbstractThe present invention provides a flame-retardant olefin polymer composition comprising at least components (a), (b) and (c) in whichin 100 parts by weight of a resin component which is conmposed of(a) 99 to 60% by weight of an ethylene--olefin copolymer having a density of 0.86 to 0.91 g/cm3, a boiling n-hexane insoluble matter of 10% by weight or more and a maximum peak temperature of 100° C. or more in terms of differential scanning calorie meter and(b) 1 to 40% by weight of an olefin polymer modified with an unsaturated carboxylic acid or its derivative;(c) 20 to 200 parts by weight of an inorganic flame retarder is contained; and an electrical material employing the aforesaid composition. | |