Adhesive composition and adhesion layer
A composition and adhesive technology, applied in the field of pressure-sensitive adhesive composition and pressure-sensitive adhesive layer, can solve problems such as uneven coating, textured appearance, and formation of rubber blocks, and achieve good durability and good Coatability and effects of appropriate stretchability
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[0045] [Example 1]
[0046] Add the solvent: 110 parts by weight of ethyl acetate and 10 parts by weight of butyl acetate to 130 parts by weight of the acrylate copolymer solution (1) to obtain the solid content ((0.35*130) / (130+120) )=18% (w / w) solution (2). At this time, the weight of the solvent ethyl acetate (110+130*(1-35%)): the weight of butyl acetate (10) is 95:5. Regarding the solid content of the acrylate copolymer in the solution (2) as 100 parts by weight, 0.72 parts by weight of the isocyanate-based crosslinking agent (AD75, TDI series, manufactured by Superchimici SPA), 0.72 parts by weight was added to the solution (2) Parts by weight of the metal chelate crosslinking agent (CA190T, aluminum metal chelate, the manufacturer is I-TAI Chemicals Inc.) and 0.036 parts by weight of the silane coupling agent (GLYMO, epoxy silane series, the manufacturer is Evonik (Degussa)), the adhesive composition is obtained after sufficient mixing.
[0047] The adhesive composition i...
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[0048] [Example 2]
[0049] Similar to Example 1, the solvent is changed to 80 parts by weight of ethyl acetate and 41 parts by weight of butyl acetate. Therefore, in this example, the weight of ethyl acetate: the weight of butyl acetate is 80:20.
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[0050] [Example 3]
[0051] Similar to Example 1, the solvents were 39 parts by weight of ethyl acetate, 41 parts by weight of butyl acetate, and 41 parts by weight of acetone. In this example, the weight of acetone: the weight of ethyl acetate: the weight of butyl acetate is 20:60:20.
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