Flame retardant for halogen-containing vinyl resins

Details Flame retardant for halogen-containing vinyl resins Flame retardant for halogen-containing vinyl resins

1984-09-04

1986-08-26

Hoke, Veronica P.

Compositions

Fire retarding

For solid synthetic polymer and reactants thereof

524410, C09K 2104

Patent

active

046081984

ABSTRACT:
Antimony pentoxide-containing flame retardant for halogen-containing vinyl resins which comprises, with respect to 100 parts by weight of Sb.sub.2 O.sub.5, (A) 3 to 20 parts by weight of an alkali metal in terms of M.sub.2 O wherein M represents an alkali metal, (B) 1 to 25 parts by weight of an alkaline earth metal in terms of M'O wherein M' represents an alkaline earth metal, and (C) 0.04 to 3 parts by weight of a compound selected from the group consisting of phosphoric acid, an ammonium salt of phosphoric acid, and an alkali metal salt of phosphoric acid, in terms of P.sub.2 O.sub.5, as well as a method for preparing the same.
The flame retardant according to this invention does not impair, the transparency, the thermal stability, or the bleeding resistance of the halogen-containing vinyl resins.

REFERENCES:
patent: Re31214 (1983-04-01), Petrow
patent: 2508801 (1950-05-01), Sans
patent: 2597987 (1952-05-01), Harding
patent: 3718584 (1973-02-01), Beste et al.
patent: 3897389 (1975-07-01), Touval
patent: 4110247 (1978-08-01), Gower et al.
patent: 4345040 (1982-08-01), Hall
patent: 4362658 (1982-12-01), Contin
Journal of Coated Fabric, vol. 11, 137-142 (1982).
Lally et al., "Stabilization of Polyvinyl Chloride" Modern Plastics (Dec. 1949) 111, 112, 114, 116, 156 to 162.

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