Flame retarded polyethylene wire insulations

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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524405, 524406, 524411, 524412, 524469, 524528, 525240, C08K 310, C08K 502, C08K 338, C08L 2304

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active

053589912

ABSTRACT:
A flame retarded composition for wire insulations that includes a polyethylene blend having a high density polyethylene, in an amount from about 50 to about 95 parts per hundred, and a very low density polyethylene, in an amount from about 5 to about 50 parts per hundred, a primary brominated flame retardant, in an amount from about 30 to about 40 parts per hundred, a secondary chlorinated flame retardant, in an amount from about 5 to about 15 parts per hundred, a first flame retarding synergist, in an amount from about 12 to 20 parts per hundred, a second flame retarding synergist, in an amount from about 7 to about 11 parts per hundred, a first hindered phenolic stabilizer, in an amount from about 0.05 to about 0.30 parts per hundred, and a second hundred phenolic stabilizer, in an amount from about 0 to about 0.30 parts per hundred, a polypropylene polymer in an amount from 2 to 10 parts per hundred. The polyethylene blend further comprising a low density polyethylene, in an amount from about 10 to about 50 parts per hundred.

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Exxon Chemical, Exact Polymers for Wire and Cable Applications, 1 sheet.

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