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AssigneeH. B. Fuller Licensing & Financing, Inc.
InventorsSharf U. Ahmed, Greg J. Van Lith
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This invention relates to a nonwoven web comprising a water soluble polyamide and articles constructed therefrom. The water soluble polyamide may be used alone or in combination with conventional thermoplastic web forming materials such as water insoluble polyethylene, polypropylene, polyester and polyamide. The water soluble polyamide may also be combined with biodegradable or selectively dispersible material to form nonwoven webs having various combinations of properties. Such water soluble webs have utility in the manufacture of disposable absorbent articles such as disposable diapers, feminine napkins, incontinent products and cellulosic articles such as tissues and towels, as well as for water soluble heat fusible webs for the textile industry.
A nonwoven web comprising at least one water soluble polyether amide selected from the group consisting of:
A water soluble web comprising at least one polyether amide which is the reaction product of at least one dicarboxylic acid or an ester thereof, with polyalkylene glycol diamine having the formula:
A water soluble web comprising at least one polyether amide which is the reaction product of polyalkylene glycol diamine with at least one dicarboxylic acid or an ester thereof, and at least one monocarboxylic acid, said polyalkylene glycol diamine having the formula:
A water soluble web comprising up to about 99 wt-% at least one polyether amide which is the reaction product of at least one polyalkylene glycol diamine with at least one dicarboxylic acid or an ester thereof, said polyalkylene glycol diamine having the formula:
Dependencies are inferred from the claim text.