Abstract

Silicone Adhesive Transfer Tape

        � � � � � � � � � � � A novel approach of incorporating scrim in an adhesive matrix is used to maintain differential release properties.� The combination of adhesive and scrim provides the necessary release differential for low surface energy adhesives such as silicone adhesives.� The examples described show 50 to 75% improvement over standard constructions.

Silicone Adhesive Transfer Tape

        � � � � � � � � � � � Silicone based, such as fluorosilicone based, low surface energy (LSE) liners are widely used as release liners with acrylic, rubber-based and other types of adhesive tapes since they exhibit good differential release properties.� However, the same silicone or other LSE liners are not very effective as release liners for silicone adhesive tapes since the necessary differential release no longer occurs.

        � � � � � � � � � � � To overcome this difficulty, a novel approach of incorporating a single layer or multiple layers of scrim, such as woven scrim, non-woven scrim, conductive scrim, non- conductive scrim, or combination of particles and scrim, in the adhesive matrix is employed.� The combination of adhesive and scrim provides the necessary release differential to be effective against low surface energy adhesives such as silicone adhesives.� � The employment of the scrim not only assists in the release of the LSE liner from a silicone adhesive-liner interface but also provides dimensional stability to the silicone adhesive when...