Silicon dioxide layer, method for producing same, composition for forming same, and electronic device
A technology of silica and composition, applied in the direction of surface coating liquid device, coating, pretreatment surface, etc., can solve the problems of increasing the turbidity of the composition, reducing the stability of handling, etc., and achieving a reduction in the increase rate Effect
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Synthetic example 1
[0083] A 1 L reactor equipped with a stirrer and temperature controller was internally replaced with dry nitrogen. Subsequently, 800 g of dry pyridine was injected into the reactor, and the reactor was cooled to -1°C. Subsequently, 60 g of dichlorosilane was injected therein at a rate of 200 sccm over 65 minutes. The obtained mixture was aged for one hour while being stirred, and 37 g of ammonia was slowly injected therein at a rate of 200 sccm over 4 hours. While stirring, the obtained mixture was aged for 2 hours. Then, dry nitrogen was injected into the reactor over 12 hours to remove ammonia therein. The obtained white slurry product was filtered using a 0.1 μm Teflon filter under a dry nitrogen atmosphere to obtain 680 g of a filtered solution. Subsequently, 800 g of dry xylene was added thereto, and the solid therein was adjusted to have a concentration of 20% by repeatedly substituting xylene for pyridine three times using a rotary evaporator, and then filtered with ...
Synthetic example 2
[0085]A 1 L reactor equipped with a stirrer and temperature controller was internally replaced with dry nitrogen. Subsequently, 800 g of dry pyridine was injected into the reactor, and the reactor was cooled to -1°C. Then, 60 g of dichlorosilane was injected therein at a rate of 200 sccm over 65 minutes. The obtained mixture was aged for 1 hour while being stirred, and 37 g of ammonia was slowly injected therein at a rate of 200 sccm over 4 hours. While stirring, the obtained mixture was aged for 2 hours. Then, dry nitrogen gas was injected thereinto for 12 hours to remove the remaining ammonia in the reactor. The obtained white slurry product was filtered using a 0.1 μm Teflon filter under a dry nitrogen atmosphere to obtain 680 g of a filtered solution. Then, 800 g of dry xylene was added thereto, and the solid content was adjusted to have a concentration of 20% by repeatedly substituting xylene for pyridine three times using a rotary evaporator, followed by filtration wi...
Synthetic example 3
[0087] A 1 L reactor equipped with a stirrer and temperature controller was internally replaced with dry nitrogen. Then, 800 g of dry pyridine was injected into the reactor, and the reactor was cooled to -1°C. Subsequently, 60 g of dichlorosilane was injected therein at a rate of 200 sccm over 65 minutes. The obtained mixture was aged for 1 hour while being stirred, and 37 g of ammonia was slowly injected therein at a rate of 200 sccm over 4 hours. While stirring, the obtained mixture was aged for 2 hours. Dry nitrogen was injected over a period of 12 hours to remove residual ammonia in the reactor. The obtained white slurry product was filtered using a 0.1 μm Teflon filter under a dry nitrogen atmosphere to obtain 680 g of a filtered solution. Subsequently, 800 g of dry xylene was added thereto, and the solid content was adjusted to have a concentration of 20% by repeatedly substituting xylene for pyridine three times using a rotary evaporator, followed by filtration with ...
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