Phenolic stain-resists

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber

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Details

428 96, 4284474, 428524, 252 861, 252 862, 4273934, 562429, D02G 300, B32B 2742, C07C31500, B05D 302

Patent

active

057258899

ABSTRACT:
Polyamide fibrous substrates which resist staining by acid dyes, and processes for preparing the same which comprise applying, at pH 2 to 10, a base-catalyzed condensation product formed by the condensation reaction of a mixture of bis(hydroxyphenyl)sulfone and at least one other phenolic compound with formaldehyde to give a product known as a resole.

REFERENCES:
patent: 4453002 (1984-06-01), Maurer et al.
patent: 5447755 (1995-09-01), Pechhold et al.
patent: 5460891 (1995-10-01), Buck et al.

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