Stock material or miscellaneous articles – Pile or nap type surface or component – With coating – impregnation – or bond
Patent
1996-07-23
1998-05-26
Morris, Terrel
Stock material or miscellaneous articles
Pile or nap type surface or component
With coating, impregnation, or bond
442 91, 442 92, 442 93, 442 94, B32B 302
Patent
active
057561818
ABSTRACT:
A method for imparting soil resistance to unscoured carpets, and a carpet treated in accordance with the method, are provided. In accordance with the method, a substrate comprising unscoured carpet fibers is treated with the ammonium salt of a polycarboxylic acid, such as an ammonium salt of a hydrolyzed styrene/maleic anhydride copolymer. The treated substrate is found to have enhanced water and oil repellency in both heat cured and room temperature drying conditions.
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Chang John C.
Dunsmore Irvin F.
Kamrath Robert F.
Wang Shou-Lu G.
Fortkort John A.
Minnesota Mining and Manufacturing Company
Morris Terrel
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