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    • 2. 发明授权
    • Process for forming a liquid crystal vertical alignment film
    • 用于形成液晶垂直取向膜的方法
    • US5766673A
    • 1998-06-16
    • US791058
    • 1997-01-28
    • Tatsuya NogamiTakakazu NakadaRie SakaiTakeshi Hosoya
    • Tatsuya NogamiTakakazu NakadaRie SakaiTakeshi Hosoya
    • C09D183/04C09D183/08G02F1/1337B05D5/12
    • G02F1/133711C09D183/04C09D183/08
    • A process for forming a liquid crystal vertical alignment film on an electrode substrate surface, which comprises preparing a reaction mixture comprising a silicon compound (A) of the following formula (1): Si(OR).sub.4 (1) wherein R is a C.sub.1-5 alkyl group, a silicon compound (B) of the following formula (2): R.sup.1 Si(OR).sub.3 (2) wherein R.sup.1 is an unsubstituted or fluorinated C.sub.3-20 alkyl group, and R is as defined above, an alcohol (C) of the following formula (3): R.sup.2 CH.sub.2 OH (3) wherein R.sup.2 is a hydrogen atom, or an unsubstituted or substituted C.sub.1-12 alkyl group, and oxalic acid (D), in a ratio of from 0.05 to 0.43 mol of the silicon compound (B) per mol of the silicon compound (A), in a ratio of from 0.5 to 100 mol of the alcohol (C) per mol of the total alkoxy groups contained in the silicon compounds (A) and (B), and in a ratio of from 0.2 to 2 mol of the oxalic acid (D) per mol of the total alkoxy groups contained in the silicon compounds (A) and (B).
    • 一种在电极基板表面上形成液晶垂直取向膜的方法,其包括制备包含下式(1)的硅化合物(A):Si(OR)4(1)的反应混合物,其中R为C1 5烷基,下式(2)的硅化合物(B):R 1 Si(OR)3(2)其中R 1是未取代或氟化的C 3-20烷基,R如上定义,醇( C):R2为氢原子的R2CH2OH(3)或未取代或取代的C1-12烷基的R2CH2OH(3)和草酸(D)的比例为0.05〜0.43摩尔的 硅化合物(B)相对于硅化合物(A)和(B)中所含的总烷氧基的摩尔数为0.5〜100摩尔的醇(C),相对于硅化合物(A) 相对于硅化合物(A)和(B)中所含的总烷氧基的摩尔数为0.2〜2摩尔的草酸(D)。
    • 5. 发明授权
    • Liquid coating composition forming a liquid crystal display element
insulating film
    • 形成液晶显示元件绝缘膜的液体涂料组合物
    • US5700391A
    • 1997-12-23
    • US196444
    • 1994-02-15
    • Tatsuya NogamiRie SakaiTakeshi Hosoya
    • Tatsuya NogamiRie SakaiTakeshi Hosoya
    • C09D183/04C09D183/14C09D185/00G02F1/1333C09K19/52C09K19/00
    • G02F1/133345C09D183/04C09D183/14Y10T428/1005Y10T428/1068
    • Disclosed is a liquid coating composition for forming a liquid crystal display element insulating film, which comprises a solution to be obtained by hydrolysis of Si(OR).sub.4 in the presence of an alkaline catalyst a hydrolyzed product of R.sup.1.sub.n Si(OR.sup.2).sub.4-n and/or Ti(OR.sup.3).sub.4, an aluminium salt and a deposition inhibitor, all having been uniformly mixed in an organic solvent. R, R.sup.2 and R.sup.3 each are a C.sub.1 to C.sub.5 alkyl group, R.sup.1 is an alkyl, alkenyl or aryl group, and n is 0 to 2. Though containing a trialkoxysilane having a high repelling property, the liquid coating composition may form an insulating film having high mechanical strength on a substrate and the coatability of a polyimide solution over the film is good. The adhesiveness of the oriented polyimide film to the insulating film is good. The insulating film has a high insulation property and has no bad influence on the display performance of liquid crystal display elements.
    • 公开了一种用于形成液晶显示元件绝缘膜的液体涂料组合物,其包含在碱性催化剂存在下通过Si(OR)4水解产生的溶液,其中R1nSi(OR2)4-n的水解产物和 /或Ti(OR3)4,铝盐和沉积抑制剂,均已在有机溶剂中均匀混合。 R,R2,R3各自为C1〜C5烷基,R1为烷基,烯基或芳基,n为0〜2。虽然含有排斥性高的三烷氧基硅烷,但液体涂料组合物可以形成绝缘膜 在基材上具有高机械强度和聚酰亚胺溶液在膜上的涂布性良好。 取向聚酰亚胺膜与绝缘膜的粘合性良好。 绝缘膜具有高绝缘性,对液晶显示元件的显示性能没有不良影响。