SILICONE ADHESIVE TAPES AND METHOD OF MASKING USING SAME

摘要

Disclosed is a masking article such as a masking tape, roll of masking tape, masking sheet, etc. that has a substrate or backing with a primer layer on a first major surface thereof and a pressure-sensitive silicone adhesive layer on the primer layer such that the primer layer is positioned between the backing and the adhesive layer. The masking article is able to adhere to a semi-permanent release composition at greater than about 10 oz/in as measured with a 90° peel test to stainless steel with a 4.5 lb roll down. A method of masking a mold having a semi-permanent release applied thereto with the disclosed masking article is disclosed. The method includes the steps of providing a mold having the semi-permanent release agent applied thereto and applying a masking article to an area of the mold with the masking article at least partially adhered to the semi-permanent release agent.

主权项

1. A method for masking a mold, the method comprising:
providing a mold comprising a semi-permanent release agent applied thereto; applying a masking article to an area of the mold to be masked, wherein the masking article is at least partially adhered to the semi-permanent release agent, the masking article comprising:
a backing comprising a paper backing material including a saturant and having opposite first and second major surfaces, the first major surface having a silicone primer layer thereon and a pressure-sensitive silicone adhesive layer on the primer layer with the primer layer positioned between the backing and the adhesive layer; wherein the masking article adheres to the semi-permanent release composition at greater than about 10 oz/in as measured with a 90° peel test to stainless steel with a 4.5 lb roll down to the surface treated with the release composition.