会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Positive photosensitive polyimide resin composition comprising an
o-quinone diazide as a photosensitive compound
    • 包含邻醌二叠氮化合物作为光敏化合物的正光敏聚酰亚胺树脂组合物
    • US5288588A
    • 1994-02-22
    • US983605
    • 1992-11-30
    • Masahiko YukawaToyohiko AbeNoriaki Kohtoh
    • Masahiko YukawaToyohiko AbeNoriaki Kohtoh
    • C08G73/10G03F7/023G03F7/32
    • G03F7/0233C08G73/1042Y10S430/106
    • A positive photosensitive polyimide resin composition which comprises 100 parts by weight of an organic solvent-soluble polyimide resin and 1-100 parts by weight of an .omicron.-quinonediazide compound, said polyimide resin being composed of the repeating units represented by formulas [I] and [II] below ##STR1## (where R.sub.1 is a divalent organic group to constitute a diamine which has one or more groups of at least one kind selected from the group consisting of phenolic hydroxyl group, carboxyl group, thiophenol group, and sulfonic group; R.sub.3 is a divalent organic group having no phenolic hydroxyl group, carboxyl group, thiophenol group, and sulfonic group; and R.sub.2 and R.sub.4 each are a tetravalent organic group constituting a-tetracarboxylic acid and a derivative thereof when R.sub.1 has one or more groups of at least one kind selected from the group consisting of carboxyl group and sulfonic group and has no phenolic hydroxyl group and thiophenol group, or R.sub.2 and R.sub.4 each are a tetravalent organic group constituting a tetracarboxylic acid and a derivative thereof composed of four carbonyl groups which are not attached directly to the aromatic ring when R.sub.1 has a phenolic hydroxyl group and/or thiophenol group) with the molar percentage (a) of the repeating units represented by formula [I] being in the range of 1 mol %.ltoreq.a.ltoreq.90 mol % and the molar percentage (b) of the repeating units represented by formula [II] being in the range of 10 mol % .ltoreq.b.ltoreq.99 mol %, and having a reduced viscosity of 0.05-3.0 dl/g (measured at a concentration of 0.5 g/l in N-methylpyrrolidone at 30.degree. C.).
    • 一种正型感光性聚酰亚胺树脂组合物,其包含100重量份的有机溶剂可溶性聚酰亚胺树脂和1-100重量份的(ü) - 醌二叠氮化合物,所述聚酰亚胺树脂由式(I)表示的重复单元 )和(II)(*化学结构*)(I)(*化学结构*)(II)(其中R1是构成二胺的二价有机基团,其具有一个或多个选自以下的至少一种基团: 由酚羟基,羧基,苯硫酚基和磺酸基组成的组; R3是不含酚羟基,羧基,苯硫酚基和磺酸基的二价有机基团; R2和R4各自是构成四价有机基团 α-四羧酸及其衍生物,当R1具有一个或多个选自羧基和磺酸基中并且不具有酚羟基和苯硫酚g的至少一种基团时, 或R 2和R 4各自为构成四羧酸的四价有机基团及其衍生物,其中,当R 1具有酚羟基和/或苯硫酚基团时,其不具有直接连接到芳环上的四个羰基) 由式(I)表示的重复单元的百分比(a)在1摩尔%<= a <= 90摩尔%的范围内,由式(II)表示的重复单元的摩尔百分数(b)在 范围为10摩尔%<= b <= 99摩尔%,并且具有0.05-3.0dl / g的比浓粘度(在N-甲基吡咯烷酮中在30℃下以0.5g / l的浓度测量)。