Processes for forming carbon-containing aramid bicomponent filament yarns

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United States of America

PATENT NO 12018407
SERIAL NO

17207143

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Abstract

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Processes for forming a yarn comprising a plurality of bicomponent filaments having a first region comprising a first polymer composition and a second region comprising a second polymer composition; the regions being distinct and present in the bicomponent filaments in a sheath-core structure or a side-by-side structure; wherein the first polymer composition comprises aramid polymer comprising 5 to 10 weight percent homogeneously dispersed discrete carbon particles and the second polymer composition comprises aramid polymer being free of discrete carbon particles and having at least one homogeneously dispersed masking pigment, the yarn having a total content of 0.5 to 5 weight percent discrete carbon particles.

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Patent Owner(s)

Patent OwnerAddress
DUPONT SAFETY & CONSTRUCTION INCWILMINGTON DE 19805

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Andersen, Mark William Charlottesville, US 8 38
Aronson, Mark T Midlothian, US 10 131
Newton, Christopher William Richmond, US 39 75
Steinruck, Thomas Wayne Glen Allen, US 4 9
Wiseman, B Lynne Richmond, US 11 290
Zhu, Reiyao Moseley, US 52 601

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