Flame retardant polyolefin fiber

Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion

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Details

264211, 524291, 524371, 524412, 523351, D01F 810

Patent

active

047740442

ABSTRACT:
There is disclosed a method for rendering fine denier polypropylene filaments and fibers flame retardant. The method includes mixing flame retardant compounds, such as an aromatic bromine and antimony oxide, with an anti-oxidant and low density polyethylene prior to mixing with the polypropylene resin.

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