Stock material or miscellaneous articles – Layer or component removable to expose adhesive – Halogen containing compound
Patent
1987-11-06
1989-08-29
Lesmes, George F.
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
Halogen containing compound
428141, 428355, 428517, 604390, C09J 702, A61F 1316
Patent
active
048616354
ABSTRACT:
A pressure-sesnsitive adhesive closure for a disposable diaper can exhibit high peel resistance both at low and high speeds while its peelability at high speeds is not excessively shocky when it employs a pressure-sensitive adhesive of a certain rheology and it has, covering the fastening area, a polyolefin layer having microtopographical features as in FIGS. 1-6 of the drawing. As seen in FIGS. 1-6, suitable microtopographical features are provided by a large number of closely spaced asperities at least two micrometers in height that have a jagged appearance at 500X. A pressure-sensitive adhesive of suitable rheology can be provided by a blend of an AB block copolymer, such as a copolymer of styrene and either isoprene or butadiene, and tackifying resin, preferably a mixture of liquid and solid tackifying resins.
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Bany Stephen W.
Carpenter Theresa L.
Sipinen Alan J.
Katz M. A.
Kirn Walter M.
Lesmes George F.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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