C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 283/00 (2006.01) C08G 18/83 (2006.01) C08G 63/91 (2006.01) C08G 64/18 (2006.01) C08G 69/48 (2006.01)
Patent
CA 2047933
TERNARY GRAFTED NON-BURNING THERMOPLASTICS CONTAINING S-TRIAZINE AND HETEROCYCLIC COMPOUNDS ABSTRACT OF THE DISCLOSURE A fire retardant graft polymer having resistance to dripping and puddling on exposure to fire and the method of making such a graft polymer is described. The graft polymer includes as reactive components a thermoplastic polymer, at least one s-triazine compound and a heterocyclic compound having at least one oxygen or one nitrogen ring atom. The graft polymer is formed under conditions of controlled in- cipient depolymerization for the thermoplastic. The melting point of the thermoplastic is not reduced more than 30°C during the making of the fire retardant graft polymer. The physical properties of the thermoplastic are not degraded even though a high concentration of s-triazine component is contained in the final graft polymer.
Finlayson & Singlehurst
Melamine Chemicals Inc.
Moore William P.
LandOfFree
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