Polyfunctionalmonomer compound and preparation method thereof and photosensitive resin composition
A technology of multifunctional monomers and compounds, which is applied in the direction of phosphorus organic compounds, chemical instruments and methods, compounds of group 5/15 elements of the periodic table, etc., and can solve the problem of gel, color photoresist viscosity increase, and pigment sedimentation And other issues
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[0038] According to the present disclosure, the preparation method of the intermediate compound shown in formula (14) can comprise: under the condition of dehydration reaction, making the compound shown in formula (15) contact with the compound shown in formula (16);
[0039]
[0040] Among them, R 1 It can be an alkyl group with 1-10 carbon atoms, a haloalkyl group with 1-10 carbon atoms, or a substituted or unsubstituted aryl group with 6-10 carbon atoms, and the substituent in the substituted aryl group is Alkyl groups with 1-5 carbon atoms;
[0041]In order to improve the reaction conversion rate, preferably, the molar ratio of the compound shown in the formula (15) to the compound shown in the formula (16) can be 1:(0.5-2), more preferably 1:(0.7-1.5 ); the reaction conditions of the dehydration reaction may be: the reaction temperature is 0-60°C, the reaction time is 0.5-3h, and the more preferred reaction conditions may be: the reaction temperature is 10-40°C, and t...
Embodiment 1
[0055] This example is used to illustrate the preparation method of the polyfunctional monomer compound of the present disclosure.
[0056] 1. Prepare medicines: trifluoromethanesulfonic acid and dimethyl dihydroxy silicon (molar ratio 2:1), some dehydrating agents. Use a flask as a reaction vessel, the reaction temperature is 30°C, in the presence of dehydrating agent titanium tetrachloride, slowly drop trifluoromethanesulfonic acid into dimethyl dihydroxy silicon, continue the reaction for 1 hour after the drop is completed, and then cool to room temperature Take out to obtain intermediate compound C1;
[0057] 2. Add dipentaerythritol pentaacrylate dropwise to intermediate compound C1, control the molar ratio of intermediate compound C1 and dipentaerythritol pentaacrylate to 1:1, and add a dehydrating agent to the system at the same time. Use a flask as a reaction vessel, the reaction temperature is 60°C, continue the reaction for 1 hour after the dropwise addition is comp...
Embodiment 2
[0061] Using the method of Example 1, the difference is that trifluoromethanesulfonic acid is replaced by an equivalent amount of benzenesulfonic acid to obtain the multifunctional monomer compound A2 of this example (yield 82%; 1 H NMR (400MHz, CDCl 3 , ppm), δ=7.62-7.86 (5H, t), 0.14 (6H, s), 3.71-4.07 (16H, t), 5.59-6.27 (15H, t)).
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