Flame resistant polyurethane/chlorinated polyethylene blends

Details Flame resistant polyurethane/chlorinated polyethylene blends Flame resistant polyurethane/chlorinated polyethylene blends

C - Chemistry, Metallurgy

08

L

400/4304, 400/55

C08L 75/04 (2006.01) C08K 5/00 (2006.01) C08K 5/02 (2006.01) C08L 23/28 (2006.01)

Patent

CA 1047190

Abstract of the Discloure Thermoplastic blends of polyurethane polymers, chlorinated polyethylene polymer, optionally poly- ethylene resins and antimony trioxide, and a flame retardant selected from 1,2,3,4,7,8,9,10,13,13,14,14- dodecachloro-1,4,4a,6a,7,10,10a,1.2a-octahydro-1,4:7, 10-dimethanodibenzocyclooctane, 1,2,3,4,5,6,7,8,10, 10,11,11-dodecachloro-1,4,4a,4b,5,8,8a,9a-octahydro- 1,4:5,8-dimethanodibenzofuran, 6-(1',4',5,6',7',7'- hexachloronorborn-5'-en-2'-yl)-1,2,3,4,10,10-hexa- chloro-1,4,4a,5,6,7,8,8a-octahydro-1,4:5,8-dimethano- naphthalene, and 6(1',4',5',6',7',7'-hexachloro- norborn-5'-en-2'-yl)-1,2,3,4,10,10-hexachloro-1,4,4a, 5,6,7,8,8a-octahydro-1,4-methanonaphthalene, are flame resistant and also essentially retain the good physical properties of a polyurethane-chlorinated polyethylene polymer blend not containing a flame retardant. These blends are useful for making flame-resistant shaped articles.

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