Pressure-sensitive adhesive composition and infrared transparent black adhesive tape, preparation method thereof and application thereof
A technology of pressure-sensitive adhesives and compositions, applied in the direction of adhesive types, ester copolymer adhesives, polyurea/polyurethane adhesives, etc., can solve the problem of breaking peel adhesion, loss of tape flexibility, and settlement etc. to achieve sufficient peel adhesion, stable peel adhesion, and high tensile breaking strength
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[0075] A) Synthetic base polymer AC-1
[0076] Add 3.14kg acrylic acid, 58.4kg 2-ethylhexyl acrylate, 11kg methyl acrylate and 53.3kg acetone / gasoline / isopropanol (49:49:2) into a conventional 200L reactor suitable for free radical polymerization . After blowing nitrogen gas with stirring for 45 minutes, the reaction kettle was heated to 58°C and 40 g of 2,2'-azobisisobutyronitrile (AIBN) was added. The external heating bath was then raised to 75°C and the reaction was kept constant at this external temperature. After a reaction time of 1 h, 40 g of AIBN was added again. After 5h and 10h, the reaction mixture was diluted with 15kg acetone / isopropanol (90:10). After another 6h and 8h, 100g of dicyclohexylperoxydicarbonate (Perkadox Akzo Nobel). The reaction was terminated after a reaction time of 24 h and the reaction mixture was cooled to room temperature.
[0077] B) Method of manufacturing adhesive coating solution
[0078] Put 27wt% of pigment or pigment mixture and 73wt% o...
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