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US 2020/0399510 A1Published application
Pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet
AssigneeNitto Denko Corporation
InventorsKenji FURUTA, Tatsuya SUZUKI, Minami WATANABE
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Abstract
Provided is a PSA composition capable of achieving excellent moisture resistance. The PSA composition provided by the present invention comprises a polymer A and a polymer B different from the polymer A. In each of the polymer A and the polymer B, isobutylene is polymerized at a ratio of 50% by weight or higher.
Claims10
A pressure-sensitive adhesive composition comprising a polymer A and a polymer B different from the polymer A, wherein
- in each of the polymer A and the polymer B, isobutylene is polymerized at a ratio of 50% by weight or higher.
A pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer comprising a polymer A and a polymer B different from the polymer A, wherein
- in each of the polymer A and the polymer B, isobutylene is polymerized at a ratio of 50% by weight or above.
Dependencies are inferred from the claim text.