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US 4,522,967 AGranted
Heat sealable water dispersible adhesive
AssigneeKimberly-Clark Corporation
InventorsDonald A. Sheldon, Bruce G. Stokes, Robert E. Weber, Edwin G. Greenman
Life of this patent
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Abstract
A water dispersible heat activatable adhesive includes a polyethyloxazoline, a compatible water dispersible adhesive and an anti-blocking agent to prevent premature adhesion. This adhesive is particularly beneficial as a coating for flushable tampon tubes.
Claims3
A water dispersible heat activatable adhesive comprising:
- 25-87.5 parts by weight polyethyloxazoline
- 75-12.5 parts by weight polyethyloxazoline
- compatible water dispersible plasticizer with a Tg below about 10.degree. C. and an anti-blocking agent at a level of 5 to 35 parts per 100 parts of the polyethyloxazoline plasticizer mixture said anti-blocking agent selected from the class consisting of moderate molecular weight polyethylene glycol and moderate molecular weight polypropylene glycol.
Dependencies are inferred from the claim text.