Surgery – Diagnostic testing – Structure of body-contacting electrode or electrode inserted...
Patent
1997-09-23
1998-07-14
Yoon, Tae
Surgery
Diagnostic testing
Structure of body-contacting electrode or electrode inserted...
607149, 427 58, A61B 504, A61B 50416
Patent
active
057796327
ABSTRACT:
A polymerized microemulsion pressure sensitive adhesive composition is described. The composition has peel adhesion of at least 3 Newtons/100 mm as measured according to a PSTC-1 Test. The composition preferably has a bicontinuous structure of a continuous phase of a hydrophobic pressure sensitive adhesive polymer and a continuous phase of a hydrophilic polymer. The bulk properties of both polymers are retained in the bicontinuous structure. The composition is prepared from a microemulsion comprising a free-radically ethylenically unsaturated polar amphiphilic or hydrophilic monomer or oligomer in the aqueous phase, a free-radically ethylenically unsaturated hydrophobic monomer, having a glass transition temperature suitable for forming a pressure sensitive adhesive, in the oil phase, water, and surfactant. Uses for the pressure sensitive adhesive composition include biomedical articles, such as biomedical electrodes, medical skin coverings, and pharmaceutical delivery devices, and industrial articles, such as zinc/adhesive tapes used for cathodic protection of rebars embedded in concrete.
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Dietz Timothy M.
Lu Ying-Yuh
Uy Rosa
Young Chung I.
Griswold Gary L.
Hornickel John H.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Yoon Tae
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