proportion of 1 1 embodiment 2 the mass proportion of the mq resin conforming to general formula 6 to the mt resin to the adhesion promoter is 1 1 1 in the mq resin r9 represents vinyl wherein the content of vinyl is 4 wt a is equal to 1 and b is equal to 0 6 and the ratio of m to q is 0 8 the preparation method for mt resin comprises step 1 adding anhydrous toluene absolute ethyl alcohol and dimethyldiethoxysilane into a reaction vessel then under the condition of 50 70 u00b0 c and under the condition of nitrogen protection specifically referring to both the temperature condition and the nitrogen protection condition are necessary under the condition of placing the reaction vessel in nitrogen atmosphere first adding zinc trifluoromethanesulfonate as a catalyst into the reaction vessel and then dropwise adding acetic acid into the reaction vessel to make the dimethyldiethoxysilane react with the acetic acid to prepare an intermediate product wherein the mole ratio of the dimethyldiethoxysilane to the acetic acid is 1 1 1 step 2 removing the solvent in the reaction vessel wherein the specific method for removing the solvent comprises heating and evaporation step 3 adding 1 1 3 3 tetramethyldisiloxane into the reaction vessel under the condition of 80 100 u00b0 c and then dropwise adding acetic acid into the reaction vessel wherein the acetic acid reacts with the intermediate product prepared in step 1 to generate silicon hydroxyl wherein the silicon hydroxyl is endcapped by the 1 1 3 3 tetramethyldisiloxane to prepare mt resin adding acetic anhydride with the same mass as that of the 1 1 3 3 tetramethyldisiloxane into the reaction vessel to absorb water generated in step 3.