Photocurable translucent composition for adhesive sheet, and optical adhesive sheet
A photocurable, adhesive sheet technology, applied in non-polymer organic compound adhesives, adhesive types, polyurea/polyurethane adhesives, etc., can solve the problem of not being able to obtain foam resistance and corrosion resistance. , whitening-resistant adhesive compositions, whitening of adhesive sheets, etc., to achieve good visibility, prevent whitening, and inhibit corrosion.
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[0101] Examples 1-7, Comparative Examples 1-10
[0102] They were blended according to the compositions shown in Table 1 and Table 2, and mixed using a disperser at room temperature to prepare a uniform composition for a photocurable transparent adhesive sheet. Use an applicator to apply the prepared composition for a photocurable transparent adhesive sheet to a release PET film (100mm×100mm×100μm) so that the film thickness becomes 200μm, and cover the upper surface with a 25μm thick release PET film After that, use an ultraviolet irradiation device (UV irradiation device 4kw×1, output: 160W / cm, metal halide lamp manufactured by Nippon Battery Co., Ltd.) at an irradiation distance of 12cm, a lamp moving speed of 20m / min, and an irradiation amount of about 1000mJ / cm 2 Under the condition of irradiating ultraviolet rays to cure it, an adhesive sheet with a film thickness of about 200 μm sandwiched between the release PET film was obtained.
[0103] (Calculation of theoretical glass ...
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