| abstract |
The present invention provides release layers that can be included in various adhesive tape products and release liners for adhesive layers. The release layer is a cured reaction product of a curable release composition comprising i) a silicone polymer having at least two hydrolyzable groups and having a weight average molecular weight of at least 1000 Daltons , ii) a crosslinking agent, iii) a silane additive, iv) a photoacid generator, and v) an optional silicate resin. The crosslinking agent is a compound of formula Si(OR 5 ) 4 or a compound having at least two silyl groups of formula -Si(R 4 ) x (OR 5 ) 3 -x , wherein R 4 is alkyl or Aryl, R5 is an alkyl group, and the variable x is an integer equal to 0 or 1. The silane additive is a compound having two silyl groups of formula -Si(R 6 ) 2 (OR 7 ) or a single silyl group of formula -Si(R 10 )(OR 9 ) 2 , wherein R 6 is alkyl or aryl, R 7 is alkyl, R 9 is alkyl, and R 10 is alkyl or aryl. |