Bleaching and dyeing; fluid treatment and chemical modification – Fiber protecting during fluid treatment
Patent
1989-08-04
1991-10-15
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Fiber protecting during fluid treatment
811556, 252 86, 252 87, D06M 1541, D06M 2300, D06M 1519
Patent
active
050571214
ABSTRACT:
A process for imparting stain resistance to polyamide substrates in continuous processes such as those using a Fluidyer.RTM. apparatus or a Flexnip.RTM. applicator and involving the application of a stain-resist composition containing a mixture of a hydrolyzed copolymer of maleic anhydride and one or more ethylenically unsaturated aromatic monomers with a sulfonated phenol-formaldehyde condensation product is disclosed wherein the stain-resist composition is applied at a pH between about 1.5 and about 3.0 in the prescence of an anionic surfactant in the form of an alkyl aryl sulfonic acid or an alkyl aryl sulfonate salt.
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Fitzgerald Patrick H.
Materniak Joyce M.
Moores Mead S.
Openstone Ella D.
Rivet Ernest
E. I. Du Pont de Nemours and Company
Lieberman Paul
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