Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer
Patent
1995-12-22
1999-03-02
Davis, Jenna
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Adhesive outermost layer
428355AC, 525 71, 525 80, C09J 702, C09J10900, C09J13106
Patent
active
058768556
ABSTRACT:
The invention provides a pressure-sensitive adhesive composition for medical applications comprising a blend of at least two components comprised of about 5 to about 95% by weight of a first component comprised of at least one acrylic pressure-sensitive adhesive and about 5 to about 95% by weight of a second component comprised of either (a) at least one elastomer with a tackifying resin, or (b) at least one thermoplastic elastomer, wherein the resulting pressure-sensitive adhesive demonstrates a T.sub.0 of at least 1 N/dm and a T.sub.48 of less than 12 N/dm when adhered to skin. The pressure-sensitive adhesive composition is prepared either in the presence of a solvent or is alternatively prepared by melt blending. A method of preparing such an adhesive is also disclosed.
REFERENCES:
patent: 4248748 (1981-02-01), McGrath et al.
Journal of Adhesion, vol. 47, 1 Jan. 1994, pp. 165-177, XP000568496, Naruse S et al; "Miscibility and PSA Performance of Acrylic Copolymer and Tackifier Resin Systems*").
Journal of Applied Polymer Science, vol. 57, No. 2, 11 Jul. 1995, pp. 175-185, XP000541044, Kim H -J et al; "Miscibility Between Components of Acrylic Pressure-Sensitive Adhesives: Phase Diagrams of Poly(Butyl Acrylate-Co-Acrylic Acid) and Esterified Rosins".
Hyde Patrick D.
Krueger Dennis L.
Lau Felix P.
Pyun Eumi
Tucker Pamela S.
Davis Jenna
Minnesota Mining and Manufacturing Company
Peters Carolyn V.
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