Stretch Releasing Pressure Sensitive Adhesive Tape And Articles
Patent #: 7,078,093
Inventor(s): Margaret Sheridan, James Bries, Jeffrey Malmer, Audrey Sherman and David Kinning
Company: 3M Innovative Properties Company
Patented is a multilayer stretch pressure-sensitive adhesive tape with a backing made of a foam substrate. A first pressure-sensitive adhesive composition is located on a first surface of the backing. The first pressure sensitive adhesive composition has a modulus at 1 radian/second and -17° C. of no greater than about 1x107 Pa. A silicone polyurea block copolymer comprises the reaction product of a polydiorganosiloxane diamine with a molecular weight of at least 5000 g/mole; a polyisocyanate; and about 30%-70% by weight MQ resin. Also included is a second pressure-sensitive adhesive composition on a second surface of the backing and a non-tacky tab.
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