Pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet
A technology for pressure-sensitive adhesives and pressure-sensitive adhesive layers, applied in the direction of non-polymer adhesive additives, conductive adhesives, adhesive additives, etc., can solve insufficient protection, low productivity, insufficient Give full play to issues such as electrical conductivity, and achieve the effects of excellent antistatic performance, efficient production, and excellent electrical conductivity
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Embodiment 1
[0101] (1) Preparation of Dispersion Liquid of Carbon Nanotubes
[0102] Multiwalled carbon nanotubes (products of trade name "CVD-MWNT CM-95" manufactured by IRDINE NANOTECHNOLOGY CORPORATION, cylindrical and hollow fiber shapes, average outer circumference diameter 12 nm, average length 15 μm, average length and average outer circumference The ratio of the diameters is 1250) and a nonionic polyether dispersant having a polyoxyalkylene group (product of the trade name "FLOWLEN NC-500" manufactured by Kyoeisha Chemical Co., Ltd.) were added to toluene in the same amount respectively , and then utilize an ultrasonic washing machine (42kHz, 125W) to apply ultrasonic vibration for 2 hours to disperse to prepare a toluene solution for dispersing carbon nanotubes, wherein the concentration of carbon nanotubes and dispersant in the dispersing toluene solution is 2% by mass . The values of the average outer circumference diameter and the average length were measured by observing...
Embodiment 2
[0111] A pressure-sensitive adhesive composition was prepared in the same manner as described in Example 1, except that 136 parts by mass of a toluene solution of dispersed carbon nanotubes was prepared and mixed instead of the amount of dispersed carbon nanotubes formulated in Example 1 of toluene solution. The content of carbon nanotubes accounted for 3.8% by mass of the solid content of the pressure-sensitive adhesive composition. The content of polyaniline accounted for 0.90% by mass of the solid content of the pressure-sensitive adhesive composition.
[0112] In addition, a pressure-sensitive adhesive sheet was prepared in the same manner as described in Example 1. The prepared pressure-sensitive adhesive sheet was visually observed. As a result, aggregation of carbon nanotubes and polyaniline was not observed.
Embodiment 3
[0114] The pressure-sensitive adhesive composition was prepared in the same manner as described in Example 1, except that 102 parts by mass of a toluene solution of dispersed carbon nanotubes were prepared and mixed instead of the prepared amount of dispersed carbon nanotubes in Example 1. tube of toluene solution. The content of carbon nanotubes accounted for 2.9% by mass of the solid content of the pressure-sensitive adhesive composition. The content of polyaniline accounted for 0.92% by mass of the solid content of the pressure-sensitive adhesive composition.
[0115] In addition, a pressure-sensitive adhesive sheet was prepared in the same manner as described in Example 1. The prepared pressure-sensitive adhesive sheet was visually observed. As a result, aggregation of carbon nanotubes and polyaniline was not observed.
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