Pressure-sensitive adhesive compositions, pressure-sensitive adhesive sheets, and double-sided pressure-sensitive adhesive tapes
A composition, adhesive technology, applied in the direction of adhesive types, ester copolymer adhesives, film/flake adhesives, etc., which can solve the reduction of durability, use limitation, adhesion reduction, etc. question
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Embodiment 1
[0241] (Preparation of Adhesive Composition)
[0242] To 100 parts by weight of the solution (30% by weight) of the above-mentioned acrylic polymer (A), add 20 parts by weight of the solution (50% by weight) of the above-mentioned acrylic oligomer (a), 2 parts by weight of the above-mentioned ionic Liquid (1), 0.1 parts by weight of 1,3-bis(N,N-diglycidylaminomethyl)cyclohexane (manufactured by Mitsubishi Gas Chemical Co., Ltd., TETRAD-C) as a crosslinking agent at 25°C Mix and stir for about 1 minute to prepare an acrylic adhesive solution (1).
[0243] (production of adhesive sheet)
[0244] Apply the above-mentioned acrylic adhesive solution (1) on the silicone-treated surface of a polyethylene terephthalate film with a thickness of 38 μm that has been silicone-treated on one side, and heat at 130° C. for 3 minutes , forming an adhesive layer with a thickness of 25 μm. Next, the silicone-treated side of a polyethylene terephthalate film having a thickness of 50 μm that h...
Embodiment 2
[0246] (Preparation of Adhesive Composition)
[0247] To 100 parts by weight of the solution (30% by weight) of the above-mentioned acrylic polymer (A), add 20 parts by weight of the solution (50% by weight) of the above-mentioned acrylic oligomer (a), 2 parts by weight of the above-mentioned ionic Liquid (2), 0.1 parts by weight of 1,3-bis(N,N-diglycidylaminomethyl)cyclohexane (manufactured by Mitsubishi Gas Chemical Co., Ltd., TETRAD-C) as a crosslinking agent, at 25°C Mix and stir for about 1 minute to prepare an acrylic adhesive solution (2).
[0248] (production of adhesive sheet)
[0249] A pressure-sensitive adhesive sheet was produced in the same manner as in Example 1, except that the above-mentioned acrylic pressure-sensitive adhesive solution (2) was used instead of the above-mentioned acrylic pressure-sensitive adhesive solution (1).
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