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US 2026/0110139 A1Published application
Cross-linked polyvinyl alcohol adhesives
AssigneeThe Procter & Gamble Company
InventorsCahit EYLEM, Gregory Thomas APPLEGATE, Mary Katherine HAMILTON, Stephanie Michelle PROCTOR, David Warren LOEBKER, Derrick Eugene TURNER, JR., Ty Gerald NOE, VICTOR SHULL
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Abstract
Multi-ply structures incorporating adhesive compositions, products produced from such structures, and methods of producing the structures.
Claims36
A fibrous structure comprising:
- a ply having a first surface and a second surface;
- an adhesive composition comprising a borate salt cross-linked polyvinyl alcohol polymer present on the first surface, the cross-linked polymer being a reaction product from the addition of a polyvinyl alcohol, alkaline borate, and cross-linking inhibitor.
A process for producing a multi-ply fibrous structure comprising:
- a. providing a ply having a first surface and a second surface;
- b. providing PVOH;
- c. providing a mixture of alkaline borate salt and cross-linking inhibitor;
- d. adding PVOH to the mixture of alkaline borate and polyol to form an adhesive composition;
- e. applying the adhesive composition to the first surface of the absorbent ply.
2 more elements
Dependencies are inferred from the claim text.