Application of carbazole oxime ester compound serving as photoinitiator in photopolymerisable acrylate composition
An acrylate and acrylate technology, used in optics, optical filters, optomechanical equipment, etc., can solve the problem of poor specific selectivity of photopolymerizable monomers, high transparency and photolithography residues, and insufficient short-wavelength sensitivity. problem, to achieve excellent curing effect, high short-wavelength sensitivity, and no scum
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Embodiment 1-1
[0038] (1) Colored curable (photopolymerizable) composition No. 1-1
[0039] Colorant (carbon black) 300 parts by mass
[0040] 200 parts by mass of alkali-soluble resin
[0041] (Benzyl methacrylate / methacrylic acid / hydroxyethyl methacrylate (molar ratio 70 / 10 / 20) total
[0042] Polymer (Mw: 10,000))
[0043] 100 parts by mass of dipentaerythritol hexaacrylate
[0044] Formula (I) oxime ester compound [n=2, m=3] 60 parts by mass
[0045] Surfactant FC-4430 1 part by mass
[0046] (2) Preparation of filter color film
[0047] The components of the above composition were mixed and dissolved in 1000 parts by mass of a solvent, propylene glycol methyl ether acetate (PGMEA), to form a liquid composition.
[0048] Use a spin coater to coat the liquid composition on a glass substrate, dry it at 90°C for 2 minutes, and form a coating film with a film thickness of 1.5 μm; in order to obtain a coating film with the above thickness, the coating process can be completed once or Do...
Embodiment 1-2
[0075] Use the formula (I) oxime ester compound of n=2, m=4 to replace the oxime ester compound in embodiment 1-1, other unchanged, prepare in the same way, and with the same method of embodiment 1-1 method to evaluate. The results are shown in Table 1.
Embodiment 2-1
[0083] (1) Colored curable composition No.2-1
[0084] Colorant C.I. Pigment Red 254 60 parts by mass
[0085] 80 parts by mass of alkali-soluble resin
[0086] [Benzyl methacrylate / methacrylic acid / hydroxyethyl methacrylate / acrylic ester of formula (II) (55 / 10 / 15 / 10 in molar ratio) copolymer] (Mw: 12,000)
[0087] 35 parts by mass of dipentaerythritol hexaacrylate
[0088] Formula (I) oxime ester compound [n=2, m=3] 20 parts by mass
[0089] Surfactant FC-4430 0.1 parts by mass
[0090] (2) Preparation of filter color film
[0091] The components of the above composition were mixed and dissolved in 100 parts by mass of a solvent, propylene glycol methyl ether acetate (PGMEA), to form a liquid composition.
[0092] Use a spin coater to coat the liquid composition on a glass substrate, dry it at 90°C for 2 minutes, and form a coating film with a film thickness of 1.5 μm; in order to obtain a coating film with the above thickness, the coating process can be completed once o...
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