Frame sealant composition and display device
A technology of composition and frame sealing glue, which is applied in the direction of adhesive, epoxy resin glue, adhesive type, etc., can solve the problems of non-compliance, increasing the adhesion performance of the sealing glue, insufficient adhesion, etc.
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[0042] The preparation method of the above-mentioned dual-curing resin described in the present invention is prior art, such as using hydroxyl-terminated silicone oil (107) (Jinan Hailan Chemical Co., Ltd.) and methacryloxypropyltrimethoxysilane (KH570) ( Sinopharm Group Chemical Reagent Co., Ltd.) as raw materials, prepared by dealcoholization reaction under nitrogen protection, 60°C, dibutyltin dilaurate catalyst (300ppm addition) reaction conditions. In addition, those skilled in the art can also prepare the dual-curing resin through other preparation methods, which is not particularly limited in the present invention.
[0043] Wherein, the secondary sealant composition further includes a photoinitiator. The photoinitiator described in the present invention is obtained by modifying hydrogen-containing silicone oil and 2-hydroxy-2-methyl-1-phenyl-1-propanone.
[0044] The preparation route of above-mentioned photoinitiator is as follows:
[0045]
[0046] Hydrogen-conta...
Embodiment 1
[0074] The preparation of embodiment 1 photoinitiator
[0075] The photoinitiator described in this embodiment is obtained by modifying silicone oil and 2-hydroxy-2-methyl-1-phenyl-1-acetone, and the specific modification method is as follows:
[0076] Using hydrogen-containing silicone oil (PMHS) with a hydrogen content of 0.75mol / g (Shanghai Tuhe Industrial Co., Ltd.), the raw materials of hydrogen-containing silicone oil and 2-hydroxy-2methyl-1-phenyl-1-propanone in tetrahydrofuran solvent Proportion n Si-H :n -OH The ratio is 1:1.1, and the photoinitiator with the following structure is obtained by reacting at 60°C for 10 hours under the catalytic conditions of a basic catalyst:
[0077]
Embodiment 2
[0078] The preparation of embodiment 2 photoinitiators
[0079] Using hydrogen-containing silicone oil (PMHS) with a hydrogen content of 0.8mol / g, the raw material ratio of hydrogen-containing silicone oil and 2-hydroxy-2methyl-1-phenyl-1-propanone in tetrahydrofuran solvent n Si-H :n -OH The ratio is 1:1.15, and the photoinitiator with the following structure is obtained by reacting at 60°C for 9 hours under the catalytic condition of a basic catalyst:
[0080]
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