Organosilicone packaging glue for packaging LED lamp filament
A LED filament and silicone technology, applied in adhesives, adhesive additives, electrical components, etc., can solve problems such as high viscosity, difficult to degassing, inability to shape, and non-flowing surface, etc., so as to achieve no decrease in light transmittance and strong operability , good leveling effect
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[0020] Example 1
[0021] The preparation process of component A is as follows: Weigh 800g of vinyl silicone oil with a viscosity of 3000mpa.s and add it to a 2L vacuum kneader, weigh 200g of fumed silica (wacker N20), and add the same mass four times to the vinyl silicone oil. After kneading the shape, heat up to 140℃ for 2 hours, vacuum for half an hour, vacuum degree -0.05Mpa~-0.07Mpa, then cool down, after the glue temperature is cooled to below 50℃, add 3g catalyst platinum-vinylsiloxane compound (Platinum content is 3000ppm), kneaded at room temperature for half an hour, that is, the A component;
[0022] The preparation steps of component B are as follows: at room temperature, add 750g of vinyl silicone oil with a viscosity of 3000mpa.s, 50g of crosslinking agent, 20g of adhesive KH570, and 5g of inhibitor ethynyl cyclohexanol, and then add them to the mixer and fill with nitrogen. , Mix and stir evenly to obtain the B component.
[0023] When in use, mix the components A an...
Example Embodiment
[0024] Example 2
[0025] The preparation process of component A is as follows: Weigh 800g of vinyl silicone oil with a viscosity of 500mpa.s and add it to a 2L vacuum kneader, weigh 197g (Capote Company A380) fumed silica, and add vinyl for four times of equal mass After kneading the type in silicone oil, heat up to 150℃ for 2 hours, vacuum for half an hour, vacuum degree -0.05Mpa~-0.07Mpa, then cool down, after the glue temperature is cooled to below 50℃, add 3g catalyst platinum-vinyl silicon Oxane complex (platinum content is 5000ppm), kneading for half an hour at room temperature, then the A component is obtained;
[0026] The preparation steps of component B are as follows: at room temperature, add 750g of vinyl silicone oil with a viscosity of 500mpa.s, 150g of cross-linking agent, 20g of adhesive KH560, and 2g of inhibitor vinyl cyclohexanol, and then add them to the mixer and fill with nitrogen. , Mix and stir evenly to obtain the B component.
[0027] When in use, mix the...
Example Embodiment
[0028] Example 3
[0029] The preparation process of component A is as follows: Weigh 850g of vinyl silicone oil with a viscosity of 15000mpa.s and add it to a 2L vacuum kneader, weigh 147g (wacker N20) fumed silica, and add equal mass four times to vinyl silicone oil. After kneading the type, heat up to 145℃ for 2 hours, vacuum for half an hour, vacuum degree -0.05Mpa~-0.07Mpa, then cool down, after the glue temperature is cooled to below 50℃, add 2g catalyst platinum-vinylsiloxane compound (Platinum content is 5000ppm), kneaded at room temperature for half an hour, then the A component is obtained;
[0030] The preparation steps of component B are as follows: at room temperature, add 950g of vinyl silicone oil with a viscosity of 15000mpa.s, 145g of cross-linking agent, 50g of adhesive KH570, and 3g of inhibitor vinyl cyclohexanol, and then add them to the mixer and fill with nitrogen. , Mix and stir evenly to obtain the B component.
[0031] When in use, mix the A component and ...
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