Tackiness agent for reinforcing less resin mica tape to single-faced glass cloth and preparation method thereof
A technology of less glue mica tape and glass cloth, applied in the direction of adhesive, film/sheet adhesive, adhesive type, etc., can solve the problem of poor compatibility of VPI impregnating resin, difficult to meet the development requirements of wind power generation, Problems such as poor heat resistance, to achieve the effects of easy detection and control, high yield, and good heat resistance
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Embodiment 1
[0034] This embodiment provides a method for preparing an adhesive used for single-sided glass cloth reinforced mica tape with less glue, comprising the following steps:
[0035] A. Preparation of phenyl vinyl silicone intermediate
[0036] In a four-neck flask, add 165g of water, 55g of isopropanol, and 110g of xylene mixed solvent, stir and raise the temperature to 50°C, slowly add 19.1g of methylphenyldichlorosilane, 6.4g of phenyltrichlorosilane, 21.1g of methylvinyldichlorosilane and 8.07g of vinyltrichlorosilane were hydrolyzed for 6 hours, cooled to room temperature, and separated to obtain a solution of silanol; % of zinc isooctanoate catalyst, and heated under stirring at 100-160 ° C, polycondensation reaction, reflux, water separation, when the viscosity of the system is about 3000mpa s, washed to neutral, vacuum, remove the solvent, that is, to obtain the Phenyl vinyl silicone intermediate.
[0037] B, preparation of organosilicon modified epoxy resin
[0038] In...
Embodiment 2
[0043] This embodiment provides a method for preparing an adhesive used for single-sided glass cloth reinforced mica tape with less glue, comprising the following steps:
[0044] A. Preparation of phenyl vinyl silicone intermediate
[0045]In a four-neck flask, add 268g of water, 105g of isopropanol, and 175g of xylene mixed solvent, stir and raise the temperature to 50°C, slowly add 19.1g of methylphenyldichlorosilane, 10.6g of phenyltrichlorosilane, 21.1g of methylvinyldichlorosilane and 16.2g of vinyltrichlorosilane were hydrolyzed for 8 hours, cooled to room temperature, and separated to obtain a solution of silanol; % of zinc isooctanoate catalyst, and heated under stirring at 100-160 ° C, polycondensation reaction, reflux, water separation, when the viscosity of the system is around 4000mpa s, washed to neutral, vacuum, remove the solvent, that is, to obtain the Phenyl vinyl silicone intermediate.
[0046] B, preparation of organosilicon modified epoxy resin
[0047] ...
Embodiment 3
[0052] This embodiment provides a method for preparing an adhesive used for single-sided glass cloth reinforced mica tape with less glue, comprising the following steps:
[0053] A. Preparation of phenyl vinyl silicone intermediate
[0054] In a four-neck flask, add 372g of water, 148g of isopropanol, and 223g of xylene mixed solvent, stir and raise the temperature to 50°C, slowly add 19.1g of methylphenyldichlorosilane, 14.8g of phenyltrichlorosilane, 22.6g of methylvinyldichlorosilane and 17.8g of vinyltrichlorosilane were hydrolyzed for 9 hours, cooled to room temperature, and separated to obtain a solution of silanol; % zinc isooctanoate catalyst, and heated under stirring at 100-160 ° C, polycondensation reaction, reflux, water separation, when the viscosity of the system is around 4500mpa·s, washed to neutral, vacuum, remove the solvent, that is, the product containing Phenyl vinyl silicone intermediate.
[0055] B, preparation of organosilicon modified epoxy resin
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Abstract
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