Olefin or styrene (co)polymer, triazine polymer, ammonium phosph

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524100, 524577, 524582, 524583, 524584, 524585, 524586, C08K 529, C08K 332

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active

055147437

ABSTRACT:
Reinforced, flame-resistant thermoplastic composition consisting of: (A) a polymeric matrix consisting of an olefinic or styrene (co)polymer; (B) a quantity which is sufficient to give flame resistance properties, of an intumescent flame-retarding agent consisting of a mixture of (i) a compound containing nitrogen, insoluble in water, consisting of an oligomer or polymer of a derivative of 1,3,5-triazine and (ii) an ammonium phosphate, and (C) from 5 to 50% by weight with respect to the total composition of a phosphorite having a phosphorous content, expressed as BPL (Bone Phosphate of Lime) of more than 40% by weight.

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patent: 4966931 (1990-10-01), Akitaya et al.
patent: 5116891 (1992-05-01), Eberspach et al.
patent: 5200445 (1993-04-01), Cipolli et al.

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