Electroconductive adhesive film and preparation method thereof
A technology of conductive adhesive film and adhesive film, which is applied in the direction of conductive adhesives, adhesives, films/sheets without carriers, etc., can solve the problems of poor heat resistance and low mechanical strength of conductive adhesive films, and achieve improved electrical conductivity. Effect of improving electron-withdrawing performance and reducing steric hindrance
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[0021] The preparation method of heat-resistant active agent is:
[0022] (1) Take phenyltrichlorosilane and add toluene at a mass ratio of 2~5:5~10, stir and mix for 50~60min, then add deionized water 1~3 times the mass of toluene dropwise, and control the dropping time for 60~90min. Stir and mix at 20~25°C for 2~4h, let stand for 30~50min, take the upper layer, wash with saturated saline and deionized water, and dry over anhydrous magnesium sulfate to obtain a dried product, which is obtained by mass ratio of 3~5 : 5~10: 0.01~0.05 Add toluene and catalyst, stir and mix at 70~80°C for 18~24h, filter with suction, take the filter cake, wash it with ether, dry it, and obtain the dried product a;
[0023] (2) Take the dry product a, add aluminum trichloride and dichloromethane according to the mass ratio of 3~5:10~15:70~80, pass through nitrogen protection, stir and mix at 0~4°C for 30~60min to obtain the mixture, Take 4-methylbenzenesulfonyl chloride and add it to the mixture ...
Embodiment 1
[0031] The catalyst is: take tetrabutylammonium hydroxide and add methanol to mix at a mass ratio of 1:10.
[0032] The preparation method of heat-resistant active agent is:
[0033] (1) Take phenyltrichlorosilane and add toluene at a mass ratio of 5:10, stir and mix for 60 minutes, then dropwise add deionized water 3 times the mass of toluene, control the dropping time for 90 minutes, stir and mix at 25°C for 4 hours, and let stand for 50 minutes , take the upper layer, wash with saturated brine and deionized water, and dry over anhydrous magnesium sulfate to obtain a dry product. Take the dry product and add toluene and catalyst at a mass ratio of 3:5:0.01, stir and mix at 80°C for 24 hours, and filter with suction , take the filter cake, wash it with ether, and dry it to obtain the dried product a;
[0034] (2) Take the dry product a, add aluminum trichloride and dichloromethane at a mass ratio of 5:15:80, pass through nitrogen protection, stir and mix at 4°C for 60 minute...
Embodiment 2
[0042] The catalyst is: take tetrabutylammonium hydroxide and add methanol at a mass ratio of 3:20 to mix.
[0043] The preparation method of heat-resistant active agent is:
[0044] (1) Take phenyltrichlorosilane and add toluene at a mass ratio of 2:5, stir and mix for 50 minutes, then dropwise add deionized water with 1 times the mass of toluene, control the dropping time for 60 minutes, stir and mix at 20°C for 2 hours, and let stand for 30 minutes , take the upper layer, wash with saturated brine and deionized water, and dry over anhydrous magnesium sulfate to obtain a dry product. Take the dry product and add toluene and catalyst at a mass ratio of 5:10:0.05, stir and mix at 70°C for 18 hours, and filter with suction , take the filter cake, wash it with ether, and dry it to obtain the dried product a;
[0045] (2) Take the dry product a, add aluminum trichloride and dichloromethane at a mass ratio of 3:10:70, pass through nitrogen protection, and stir and mix at 0°C for ...
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