Other

Isamu Teranishi

Komaharu Matsui

Mitsuyoshi Shirai

Takeshi Eda

Kenji Sano

Hiroshi Ueda

Akira Taguchi

Hideki Mitsuda

A pressure-sensitive adhesive comprising 100 parts by weight of an isobutylene polymer having been masticated in an organic solvent with a radical generator and 0.001 to 5 parts by weight of at least one release control agent selected from the group consisting of an alcohol having a molecular weight of 90 to 300 and an oxygen atom content of 8.5% or more or a derivative thereof and a carboxylic acid having a molecular weight of 70 to 400 and an oxygen atom content of 11% or more or a derivative thereof; and a surface protecting material having a pressure-sensitive adhesive layer comprising the adhesive. The adhesive has well-balanced characteristics in initial adhesion, retention of initial adhesion, and weather resistance.

Pressure-sensitive adhesive and surface protecting material

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Osaka, Japan

Isamu Teranishi