Composition for forming cured film, alignment material, and phase difference material
一种固化膜、组合物的技术,应用在液晶材料、化学仪器和方法、光学等方向,能够解决难以提高对比率和亮度、响应速度、亮度变化/色彩变化少、低对比率等问题,达到优异垂直取向性的效果
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[0303]
[0304] The cured film forming composition of this invention contains the polymer of (A) component, the crosslinking agent of (B) component, and the adhesion accelerator of (C) component, and / or (D) the heat-crosslinkable group Agglomerated polymers may contain a crosslinking catalyst as component (E) if desired, and may contain other additives as long as the effect of the present invention is not impaired. And usually, these are used in the form of the solution which melt|dissolved in the solvent.
[0305] Preferred examples of the cured film-forming composition of the present invention are as follows.
[0306] [1]: A cured film forming composition comprising (A) component, 1 to 300 parts by mass of (B) component based on 100 parts by mass of (A) component, and The total amount of 100 parts by mass of the polymer and the crosslinking agent as component (B) is at least one of component (C) of 0.1 to 100 parts by mass and component (D) of 1 to 400 parts by mass .
...
Embodiment
[0323] The following examples are given to illustrate the present invention in more detail, but the present invention is not limited to these examples.
[0324] [Abbreviated symbols used in Examples]
[0325] The meanings of the abbreviations used in the following examples are as follows.
[0326]
[0327] LAA: lauryl acrylate
[0328] PAA: palmityl acrylate
[0329] LAMA: lauryl methacrylate
[0330] HEMA: 2-Hydroxyethyl methacrylate
[0331] MMA: methyl methacrylate
[0332] BzMA: benzyl methacrylate
[0333] BMAA: N-Butoxymethacrylamide
[0334] GMA: glycidyl methacrylate
[0335] AIBN: α,α'-azobisisobutyronitrile
[0336] A1: 2-(((4-(4'-pentyl-[1,1'-bis(cyclohexane)]-4-yl)phenoxy)carbonylamino)ethyl methacrylate
[0337]
[0338] A2: 6-(4-(4-heptylcyclohexyl)phenoxy)hexyl methacrylate
[0339]
[0340]
[0341] HMM: Melamine crosslinking agent represented by the following structural formula [Cymel (CYMEL) (registered trademark) 303 (manufactured by Mits...
Synthetic example 1
[0383] Synthesis of Compound [DM-1]
[0384]
[0385] Under nitrogen flow, at room temperature, 500 g of ethyl acetate, 35.5 g (0.300 mol) of 1,6-hexanediol, 1,8-diazabicyclo[5.4.0]- 1.80 g (11.8 mmol) of 7-undecene (DBU) and 0.45 g (2.04 mmol) of 2,6-di-tert-butyl-p-cresol (BHT) were stirred by a magnetic stirrer, and the temperature was raised to 55°C. Add 95.9 g (0.679 mol) of ethyl acrylate 2-isocyanate dropwise to the reaction solution, stir for 2 hours, then use high performance liquid chromatography to analyze the reaction solution, and the area percentage of the intermediate is less than 1% end the reaction. After adding 328 g of hexane and cooling to room temperature, the precipitated solid was washed twice with 229 g of hexane and dried to obtain compound [A-a] (104 g, 0.260 mol, yield: 86.7%).
[0386]
[0387] Under nitrogen flow, put 1330g of dichloromethane, 100g (0.250mol) of compound [A-a], and 22.5g (0.749mol) of paraformaldehyde in a 2L four-necked b...
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