Water dispersible premoistened wiper
AssigneeScott Paper Company
InventorEugenio Varona
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Abstract
Premoistened wipers are provided with wet strength through the use of colloidal sulfate esters of cellulose having a high degree of sulfate substitution, equal to or greater than 2.5. When such wipers are immersed in water, they become easily dispersible and hence flushable.
Claims6
A water dispersible premoistened wiper comprising a nonwoven cellulosic fibrous web containing greater than 1% by weight of an alkali salt of a sulfated cellulose ester resin binder distributed in said fibrous web, said resin binder having a degree of saturation of about 2.5 to 3.0 sulfate groups per anhydrogluclose unit, and said web being impregnated with an aqueous solution of potassium ions in an amount effective to gel said sulfated cellulose ester resin binder.
Dependencies are inferred from the claim text.