04994322 is referenced by 92 patents and cites 18 patents.

A repositionable pressure-sensitive adhesive comprising from about 70% to about 99% hollow, polymeric, acrylate, inherently tacky, infusible, solvent-insoluble, solvent-dispersible, elastomeric microspheres comprising at least one alkyl acrylate or alkyl methacrylate ester, a majority of the microspheres having one or more interior voids having a diameter of at least about 10% of the diameter of the microsphere, and correspondingly, from about 30% to about 1% of a binder copolymer comprising an elastomeric polymeric backbone having pendant therefrom high Tg polymeric moieties.

Title
Pressure-sensitive adhesive comprising hollow tacky microspheres and macromonomer-containing binder copolymer
Application Number
7/407092
Publication Number
4994322
Application Date
September 18, 1989
Publication Date
February 19, 1991
Inventor
Spencer F Silver
St. Paul
MN, US
Roger W Leinen
St. Paul
MN, US
Joaquin Delgado
St. Paul
MN, US
Agent
D P Neaveill
D M Sell
Assignee
Minnesota Mining and Manufacturing
MN, US
IPC
C08J 9/32
C08J 9/236
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