Method for manufacturing liquid crystal display device, substrate for liquid crystal display device, method for manufacturing substrate for liquid crystal display device, and spacer particle dispersio
A technology of liquid crystal display device and manufacturing method, applied in the fields of nonlinear optics, instrumentation, optics, etc., capable of solving problems such as inability to isolate particle configuration, complex nature of isolated particles, technical difficulties, etc.
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Embodiment 1
[0122] (1) Modulation of isolated particles
[0123] In a separable flask, 1.3 parts by weight of benzoyl peroxide was uniformly mixed with 15 parts by weight of divinylbenzene and 5 parts by weight of isooctyl acrylate as a polymerization initiator, and then, polyvinyl alcohol (Kurare Co., Ltd. system ) 20 parts by weight of a 3% aqueous solution, 0.5 parts by weight of sodium lauryl sulfate, and after fully stirring, 140 parts by weight of ion-exchanged water was added. Stirring the solution, the reaction was carried out at 80° C. for 15 hours under a nitrogen stream. After washing the obtained fine particles with hot water and acetone, a classifying operation was performed to obtain isolated particles after volatilizing the acetone. The average particle diameter of the obtained microparticles was 5 μm, and the CV value was 3.0%.
[0124] (2) Surface treatment of isolated particles
[0125] 5 parts by weight of the obtained fine particles were added to 20 parts by we...
Embodiment 2～6、 comparative example 2～6
[0167] Using the surface-treated spacer particles produced in Example 1, a spacer particle dispersion having the composition shown in Table 1 was prepared, and using this dispersion, the spacer particles were placed on the substrate under the conditions shown in Table 2, and evaluated. Other than that, it is the same as Example 1.
[0168] In addition, the medium of the spacer particle dispersion 5 is highly volatile, and agglomerates of the spacer particles were generated on the wall of the container during the dispersion treatment, and when the stainless steel mesh was used for filtration, the sieve clogging occurred.
[0169] isolation particle dispersion
1
2
3
4
5
composition
(weight%)
Isopropanol
20
20
30
-
90
Ethylene glycol
60
60
-
70
-
water
20
20
70
30
10
...
Embodiment 7
[0173] (1) Modulation of isolated particles
[0174] In a separable flask, 1.3 parts by weight of benzoyl peroxide were added as a polymerization initiator with respect to 15 parts by weight of divinylbenzene and 5 parts by weight of isooctyl acrylate, and uniformly stirred and mixed. Next, 20 parts by weight of a 3% by weight aqueous solution of polyvinyl alcohol (trade name , manufactured by Kurare Corporation) and 0.5 parts by weight of sodium lauryl sulfate were added, and after uniform stirring and mixing, the ion exchange 140 parts by weight of water. Next, the mixed aqueous solution was stirred at 80° C. for 15 hours for a polymerization reaction under a nitrogen stream to obtain fine particles. After the obtained fine particles were sufficiently washed with hot water and acetone, a classifying operation was performed to volatilize the acetone to obtain isolated particles. The average particle diameter of the obtained segregated particles was 5 μm, and the CV valu...
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Abstract
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