Adhesive sheet
AssigneeLintec Corporation
InventorsHiroyuki Etoh, Takuya Tetsumoto
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Abstract
An adhesive sheet comprising a substrate and an adhesive layer formed on at least one side of the substrate, characterized in that an adhesive agent contained in the adhesive layer comprises an acrylic ester copolymer and a citrate plasticizer; the acrylic ester copolymer has a glass transition temperature of −45° C. or less; the citrate plasticizer is contained in an amount of 1.0 to 50.0 parts by mass (solid content), with respect to 100 parts by mass (solid content) of the acrylic ester copolymer; and a rate of a gel content in the adhesive agent in the adhesive layer is 70% or more, is disclosed. The adhesive sheet according to the present invention has a slightly-adhesive property and a removable property, and can be suitably used, for example, as a carrier sheet.
Claims16
An adhesive sheet comprising a substrate and an adhesive layer formed on at least one side of the substrate, wherein an adhesive agent contained in the adhesive layer comprises an acrylic ester copolymer and a citrate plasticizer;
- the acrylic ester copolymer has a glass transition temperature of −45° C. or less;
- the citrate plasticizer is contained in an amount of 1.0 to 50.0 parts by mass (solid content), with respect to 100 parts by mass (solid content) of the acrylic ester copolymer;
- and a rate of a gel content in the adhesive agent in the adhesive layer is 70% or more.
Dependencies are inferred from the claim text.