Title: Contamination-tolerant pressure-sensitive adhesive tape

Abstract: Normally tacky and pressure-sensitive adhesive tape which displays good adhesion and shear properties, even when contaminated with dust, e.g., talcum powder. The adhesive is a rubbery block copolymer (especially styrene-isoprene-styrene), tackified with a combination of certain liquid and solid tackifiers. The tape is especially useful as a closure for disposable diapers.

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Other info:

Inventors: Antonsen, Stephen A. (Vancouver, CA, US)
Boaz, David P. (Woodbury, MN, US)

Application Number: 897851
Filing Date: 1978-04-19
Publication_date: 1979-07-31
Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN)
Primary Class(es): 428/355BL 428/41.3, 428/352, 428/521, 524/490, 524/505, 604/372, 604/373, 604/390
Other Classes:
US Patent Ref:

3625752	Dec, 1971	Korpman	260/27.
3787531	Jan, 1974	Dahlquist	260/27.
3932328	Jan, 1976	Korpman	260/27.
3956223	May, 1976	Chiang	428/355.
3993613	Nov, 1976	Doss	260/27.
4024312	May, 1977	Korpman	428/343.
4028292	Jun, 1977	Korpman	260/27.
4080348	Mar, 1978	Korpman	260/27.

Other Refs:
Primary Examiner: Robinson, Elis P.
Assistant Examiner:
Attorney: Alexander; Cruzan, Sell; Donald M., Brink; Richard E.