Photosensitive resin composition, color filter, display device, photopolymerization initiator, and compound
A technology of photosensitive resin and composition, which is applied in the field of photosensitive resin composition, and can solve the problems of reduced sensitivity of curable resin composition, difficulty for light to reach the bottom of the film, poor curing, etc.
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[0104] [Method for preparing photosensitive resin composition]
[0105] The photosensitive resin composition of the present invention is prepared by mixing all the above-mentioned components with a mixer. In addition, in order to make the prepared photosensitive resin composition uniform, you may filter using a filter.
[0106] [Pattern Formation Method]
[0107] In order to form a pattern using the photosensitive resin composition of the present invention, first, use a contact transfer type coating device such as a roll coater, a reverse coater, a bar coater, or a spinner (rotary coating device), a shower, etc. A non-contact coating device such as a curtain coater coats a photosensitive resin composition on a substrate.
[0108] Next, the applied photosensitive resin composition is dried to form a coating film. The drying method is not particularly limited, and examples include the following methods: (1) using a hot plate at a temperature of 80 to 120°C, preferably 90 to 1...
Embodiment
[0114] Hereinafter, the present invention will be described in more detail by showing examples, but the scope of the present invention is not limited to these examples.
[0115] In Examples 1-3, the compound of following formula (B1), (B2), and (B3) was used as (B) photoinitiator. Moreover, in Comparative Examples 1 and 2, the compound of following formula (B4) and (B5) was used as (B) photoinitiator. Hereinafter, the synthesis method of the compound of formula (B1), (B2) and (B3) is shown in synthesis examples 1-3.
[0116] 【chemical 11】
[0117]
Synthetic example 1
[0119] (Synthesis of Compound of Formula (B1))
[0120] In the presence of 2.62 g of aluminum chloride, 5.00 g (16.37 mmol) of 3-(thiophen-2-ylcarbonyl)-9-ethylcarbazole and 2.89 g (18.00 mmol) of 3-cyclopentyl propionyl chloride The mixture was reacted in 50 ml of methyl chloride solvent under ice-cooling for 1 hour. The reaction mixture was poured into ice water, and the organic layer was separated. The recovered organic layer was dried over anhydrous magnesium sulfate and then evaporated. The residue was purified on a silica gel column with an eluent of ethyl acetate / hexane=1 / 2 to obtain 3-(thiophen-2-ylcarbonyl)-6-(3-cyclopentylpropionyl)-9- Ethylcarbazole 7.03g (16.37mmol). 7.03 g (16.37 mmol) of 3-(thiophen-2-ylcarbonyl)-6-(3-cyclopentylpropionyl)-9-ethylcarbazole, 1.88 g (27.00 mmol) of hydroxylamine hydrochloride were mixed in 64.00 g of ethanol. mmol) and 2.66 g (27.00 mmol) of triethylamine were reacted at 75-80° C. for 3 hours. The reaction solution was evapora...
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Abstract
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