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    • 61. 发明公开
    • 하이드록시 케티민기를 포함하는 수분산폴리에폭사이드-아민 수지 및 이를 함유한 양이온전착도료 조성물
    • 含有羟基酮基的水分散型聚氧化胺 - 胺树脂和含有它的阳离子电沉积涂料组合物
    • KR1020010066313A
    • 2001-07-11
    • KR1019990067913
    • 1999-12-31
    • 주식회사 케이씨씨
    • 길유성윤지환김양배박종명
    • C08G73/00
    • C08G73/00C09D5/44
    • PURPOSE: A water-dispersable polyepoxide-amine resin containing a hydroxy ketimine group is provided, which has excellent wettability and water-dispersing stability. And a cationic electrodepositing paint composition containing the same is also provided. CONSTITUTION: The polyepoxide-amine resin for dispersing a pigment is prepared by reacting 1 equivalent of a polyepoxide having at least two epoxy groups and a molecular weight of 1,000-20,000 with 0.5-1 equivalent of a hydroxy ketimine represented by the formula (1) of HO-R1-NH-R2-NH2, at a temperature of 60-140 deg.C in the presence of a solvent and a catalyst. In the formula (1), R1 is a C2-6 aliphatic hydrocarbon and R2 is a C2-4 aliphatic hydrocarbon. The cationic electrodepositing paint composition comprises: (i) 10-20 wt.% of a pigment paste containing 1-5 wt.% of the polyepoxide-amine resin for dispersing the pigment; (ii) 30-40 wt.% of a main resin containing a hardening agent; (iii) 40-60 wt.% of deionized water; and (iv) the balance of other components.
    • 目的:提供含有羟基酮亚胺基团的水分散性聚环氧化物 - 胺树脂,其具有优异的润湿性和水分散稳定性。 还提供了含有它们的阳离子电沉积涂料组合物。 构成:用于分散颜料的聚环氧化物 - 胺树脂通过使1当量具有至少两个环氧基和分子量为1,000-20,000的聚环氧化物与0.5-1当量式(1)表示的羟基酮亚胺反应来制备, 的HO-R1-NH-R2-NH2,在溶剂和催化剂的存在下,在60-140℃的温度下进行。 在式(1)中,R 1是C 2-6脂族烃,R 2是C 2-4脂族烃。 阳离子电沉积涂料组合物包含:(i)10-20重量%的含有1-5重量%的用于分散颜料的聚环氧化物 - 胺树脂的颜料浆料; (ii)30-40重量%的含有硬化剂的主树脂; (iii)40-60重量%的去离子水; 和(iv)其他组成部分的余额。
    • 62. 发明公开
    • 폴리아믹산 랜덤 공중합체 및 폴리이미드 랜덤 공중합체
    • POLYAMIDIC和POLYIMIDIC随机共聚物
    • KR1020010011184A
    • 2001-02-15
    • KR1019990030428
    • 1999-07-26
    • 제일모직주식회사
    • 이무영박동원오재민김영훈
    • C08G73/00
    • C08G73/00C08G73/10C08G73/1007C09K19/56G02F1/1337
    • PURPOSE: A preparation method is provided to obtain polyamidic and polyimidic random copolymers, having properties of heat-resistance and transparency and pretilt angle of 2 to 10 degree. This copolymer is produced from carboxylic-dihydride and branched aromatic diamine. CONSTITUTION: A polyamidic and a polyimidic random copolymers are produced by the following compounds: a diamine (DA-L-m,nDAM) having highly pretilt angle to be tuned freely by controlling values of m and n to enhance the heat-resistance of the produced polymer; a tetra-carboxylic-dihydride to increase printing and transparency of the product; organic solvents like N-methyl-2-pyrrolidinone, dimethyl acetamide (DMAc) or dimethyl formamide (DMF) to catalysis polymerization and increase amide. The reaction mole and weight percentage of dihydride and diamine is equimolar ratio and 2 30 wt% of monomer, respectively.
    • 目的:提供具有耐热性,透明性和预倾角2〜10度的聚酰胺和聚酰亚胺无规共聚物的制备方法。 该共聚物由羧酸二酐和支链芳族二胺制备。 构成:通过以下化合物制备聚酰胺和聚酰亚胺无规共聚物:通过控制m和n的值自由调节具有高预倾角的二胺(DA-Lm,nDAM),以提高所制备的聚合物的耐热性 ; 四羧酸二酐以增加产品的印刷和透明度; 有机溶剂如N-甲基-2-吡咯烷酮,二甲基乙酰胺(DMAc)或二甲基甲酰胺(DMF)进行催化聚合并增加酰胺。 二酐和二胺的反应摩尔数和重量百分比分别为等摩尔比和230重量%的单体。
    • 63. 发明公开
    • 가공성이 개선된 신규 방향족 폴리이미드 수지 분말과 이의 제조방법
    • 具有改进的可处理性的芳族聚酰胺树脂粉末及其制备方法
    • KR1020000031493A
    • 2000-06-05
    • KR1019980047552
    • 1998-11-06
    • 대림산업 주식회사한국화학연구원
    • 최길영이미혜이재흥정은영송병규김계현최수길
    • C08G73/00
    • C08G73/00C08G73/1007C08G73/1014C08J5/00
    • PURPOSE: An aromatic polyimide resin powder which, since it can be molded even under low processing temperature and pressure compared with existing aromatic polyimide resin powder and is excellent in heat resistance, abrasion resistance and mechanical property, can be applied to heat-resistant material of various industrial machines, electric and electromagnetic parts, and automobiles and is predicted to be extensively used for various high-advanced structural materials, and method for the preparation thereof are provided. CONSTITUTION: The aromatic polyimide resin powder has the following chemical formula 1: wherein B and C are the same as that are defined in the detailed description of the present invention. The method for the preparation of the aromatic polyimide resin powder is characterized by reacting an aromatic tetracarboxylic dianhydride with an aromatic diamine which trifluoromethyl phenyl benzamide group is introduced into.
    • 目的:芳香族聚酰亚胺树脂粉末,与现有的芳香族聚酰亚胺树脂粉末相比,即使在低温加压下也能够成型,耐热性,耐磨耗性和机械性能优异,可以应用于耐热性 各种工业机械,电气电磁部件和汽车,并且预计将广泛用于各种高级结构材料,并且提供了其制备方法。 构成:芳香族聚酰亚胺树脂粉末具有以下化学式1:其中B和C与本发明的详细说明中所定义的相同。 制备芳族聚酰亚胺树脂粉末的方法的特征在于使芳族四羧酸二酐与引入三氟甲基苯基苯甲酰胺基团的芳族二胺反应。