Photosensitive imaging liquid containing alpha-diazonium-1,3-diketone structure and used for photosensitive macromolecule flat printing plate
A technology of photosensitive polymer and imaging fluid, which is applied in the direction of photoplate making process, optics, and optomechanical equipment on the pattern surface, which can solve the problems of increasing cost, interference of polymerization inhibition, and increasing operation steps, etc., and achieves high printing durability , high sensitivity, good resolution effect
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Embodiment 1
[0040]20.0 grams of monomer 2-(2-diazo-3-carbonyl-3-p-dimethylaminophenylpropionyloxy) ethyl methacrylate, 8.1 grams of methyl methacrylate, methacrylate hydroxyl Dissolve 7.0 g of ethyl ester and 0.6 g of free radical polymerization initiator AIBN in 500 ml of tetrahydrofuran, and react at 65°C for 30 hours; after the polymerization reaction, pour it into petroleum ether, a large amount of solid precipitates, filter, and vacuum dry at 30°C for 24 hours. Obtain light yellow powdery solid, be p7, wherein R1 is methyl, the molecular formula of gained polymer compound is as follows, and its specific information is as shown in table 3:
[0041]
[0042] Table 3 Characterization of photosensitive polymer compound P7
[0043] photopolymer compound
[0044] When it is applied in positive photoresist composition, the diazo group of these polymer compounds will be decomposed when exposed to ultraviolet light, undergo Wolff rearrangement to generate enone, and finally hydro...
Embodiment 2
[0046] Photosensitive polymer compound P17, wherein R1 is a methyl group, its synthesis method is: the monomer methacrylic acid 2-(2-diazo-3-carbonyl-3-p-dimethylaminophenylpropionyloxy) ethyl 20.0 grams of base esters, 8.2 grams of methacrylamide, 4.0 grams of methylolacrylamide and 0.7 grams of free radical polymerization initiator AIBN are dissolved in 500ml of acetonitrile with a volume ratio of 1: in a mixed solvent of water, 65 React at ℃ for 32 hours; after the polymerization reaction, pour it into acetone, a large amount of solids precipitate out, filter, and vacuum dry at 30℃ for 24 hours to obtain a light yellow powdery solid; water is used as a solvent for the resist, and water is used as a developer; high sensitivity The molecular formula of the molecular compound is shown below, and the characterization of the photosensitive polymer is shown in Table 4:
[0047]
[0048] Table 4 Characterization of photosensitive polymer compound P17
[0049] photopol...
Embodiment 3
[0052] Get 35g of BTB-26 m-cresol-formaldehyde resin produced by Taixing Orient Industrial Co., Ltd., the m-cresol-formaldehyde resin has a weight-average molecular weight of 4000 and a number-average molecular weight of 1500. P7-5 photosensitive polymer compound 15g, 3,5-bistrichloromethyl-1-p-methylchlorostyryl triazine 0.5g, basic brilliant blue 0.1g, cyclohexanone 300g; first dissolve each component In cyclohexanone, filter with 10 μm, 5 μm, and 0.5 μm pore size filter elements to obtain photosensitive CTP photosensitive imaging liquid PCL1-PCL5 that is sensitive to ultraviolet light; 2.38 wt % tetramethylammonium hydroxide solution is used as a developing solution.
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