Acid dye resistant pigmented polymer

Details Acid dye resistant pigmented polymer Acid dye resistant pigmented polymer

1995-05-22

1996-08-20

Reddick, Judy M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524500, 524514, 524538, 524599, 524606, 524607, 524609, 525178, 525181, 5253282, 5253285, 525386, 525420, 525421, 525436, C08F28304

Patent

active

055480373

ABSTRACT:
A process for preparing melt spun polymeric fiber made from polymerized amide monomers includes the steps of pigmenting the polymer, incorporating within the polymer sufficient SO.sub.3 H groups or salts thereof to give the polymer a sulphur content of between about 10 and about 160 equivalents per 10.sup.6 grams polymer and thereafter chemically blocking with a chemical blocking agent a portion of amino end groups present in the sulphonated polymer.

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Database WPIL Section Ch. Week 8830, Derwent Publications Ltd., London, GB; Class A, AN 88-209198 & JP-A-63 145 415.
"Lumena, New Solution-Dyed Debuts"; pp. 1, 9 and 11; Floor Covering Weekly, Nov. 13, 1989.

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