C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/02 (2006.01) C08K 3/32 (2006.01) C08K 5/3477 (2006.01) C08K 5/3492 (2006.01) C08L 85/02 (2006.01)
Patent
CA 2101655
A flame-retardant plastic molding composition of improved stability comprises 50 to 85% by weight, based on the total amount of the molding composition, of an olefin polymer and 15 to 50% by weight, based on the total amount of the molding composition, of a flameproofing system comprising 80 to 50% by weight of an ammonium polyphosphate of the formula (NH4PO3)n, in which n is a number from 200 to 1000 (= component A) and 50 to 20% by weight of a reaction product of tris(2- hydroxyethyl) isocyanurate (THEIC) of the formula (see formula one) with an aromatic polycarboxylic acid of the formula Ar(COOH)m (= component B). As a result of the flameproofing system to be employed according to the invention, not only is the processing temperature of the plastics molding composition increased, but the water-solubility of components of the molding composition after processing is reduced significantly. Furthermore, the components of plastic provided with a flame-retardant treatment show a reduced tendency to "exude" constituents of the flameproofing system.
Sicken Martin
Wanzke Wolfgang
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Clariant Produkte (deutschland) Gmbh
Hoechst Aktiengesellschaft
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