Smoke retardant vinyl chloride and vinylidene chloride polymer c

Details Smoke retardant vinyl chloride and vinylidene chloride polymer c Smoke retardant vinyl chloride and vinylidene chloride polymer c

1975-02-10

1976-06-22

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4575F, 260 4575G, 260 4575P, 260 4575W, C08J 320

Patent

active

039650685

ABSTRACT:
Smoke retardant vinyl chloride and vinylidene chloride polymer compositions are obtained by including therein a synergistic mixture of (A) at least one nickel compound selected from the group consisting of NiCO.sub.3, NiCl.sub.2, NiO, NiS and nickel acetylacetonate and (B) at least one zinc compound selected from the group consisting of ZnCO.sub.3, ZnCrO.sub.4, ZnMoO.sub.4, Zn.sub.3 (PO.sub.4).sub.2, Zn.sub.2 SiO.sub.4, ZnSO.sub.4, ZnTiO.sub.3, Zn.sub.2 ZrO.sub.4, zinc ammonium sulfate, zinc borate, zinc acetylacetonate, zinc formate, zinc oxalate, and M.sub.2.sub.-2x Zn.sub.3.sub.+x [Fe(CN).sub.6 ].sub.2.yH.sub.2 O wherein M is an alkali metal, x is from 0 to 1, and y is from 0 to 4. Substantial smoke retardation is also obtained by including the above nickel compound or zinc compounds individually in the vinyl chloride or vinylidene chloride polymer compositions.

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