Liquid crystal sealing agent for liquid crystal dropping method and liquid crystal display cell using same
A liquid crystal sealant and liquid crystal dropping technology, applied in the direction of instruments, optics, other chemical processes, etc., can solve the problems of the liquid crystal sealant not being irradiated by light, the deterioration of the liquid crystal seal, and the contamination of the liquid crystal, and achieve excellent sealing linearity and pot life. Long, strong adhesion effect
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[0073] The present invention will be described in more detail through examples below. However, the present invention is not limited to the following examples.
Synthetic example 1
[0074] Synthesis example 1 (synthesis of fully acrylated product of resorcinol diglycidyl ether):
[0075] Resorcinol diglycidyl ether resin was dissolved in toluene, dibutylhydroxytoluene as a polymerization inhibitor was added thereto, and the temperature was raised to 60°C. Thereafter, acrylic acid having an equivalent of 100% of epoxy groups was added, and the temperature was further raised to 80° C., trimethylammonium chloride was added thereto as a reaction catalyst, and stirred at 98° C. for about 50 hours. The obtained reaction liquid was washed with water, toluene was distilled off, and epoxy acrylate of resorcinol was obtained.
Embodiment 1 and 2、 comparative example 1 to 3
[0077] The acrylated epoxy resin, epoxy resin, and silane coupling agent described in Table 1 were mixed to obtain a resin solution. Next, in Example 1, an inorganic filler, a polyfunctional hydrazide compound, a curing accelerator, a silicone rubber powder, and a polythiol compound were mixed to obtain a liquid crystal sealing agent. In Example 2, an inorganic filler, a polyfunctional hydrazide compound, a curing accelerator, and silicone rubber powder were mixed to obtain a liquid crystal sealing agent. In Comparative Example 1, an inorganic filler, a polyfunctional hydrazide compound, a curing accelerator, a silicone rubber powder, and a polythiol compound were mixed to obtain a liquid crystal sealing compound. In Comparative Example 2, an inorganic filler, a polyfunctional hydrazide compound, a silicone rubber powder, and a polythiol compound were mixed to obtain a liquid crystal sealing compound. In Comparative Example 3, an inorganic filler, a polyfunctional hydrazide c...
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Abstract
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