Preparation of polyamidoimide coatings having a long shelf life
    3.
    发明授权
    Preparation of polyamidoimide coatings having a long shelf life 失效
    具有长保质期的聚酰胺酰亚胺涂料的制备

    公开(公告)号:US4740576A

    公开(公告)日:1988-04-26

    申请号:US942821

    申请日:1986-12-17

    CPC分类号: C08G73/14 C08G18/34 H01B3/30

    摘要: Polyamidoimide coatings having a long shelf life are prepared by a process in which a tricarboxylic anhydride, some of which may have been replaced by tetracarboxylic dianhydrides or dicarboxylic acids, is reacted with a polyisocyanate possessing 2 or more isocyanate groups in an organic solvent which is inert to isocyanate groups, from 0.7 to 0.98 isocyanate group being employed per anhydride and carboxyl group, and completely blocked polyisocyanate being added to the reaction mixture before, during or after the reaction in an amount such that the ratio of the total amount of anhydride and carboxyl groups employed to the total amount of isocyanate groups used, including those present in blocked form, is from 1:1 to 1:1.1.The polyamidoimide coatings are useful for coating electric conductors.

    摘要翻译: 具有长保质期的聚酰胺酰亚胺涂料通过以下方法制备:其中一些可能被四羧酸二酐或二羧酸代替的三羧酸酐与惰性有机溶剂中具有2个或更多个异氰酸酯基团的多异氰酸酯反应 异氰酸酯基团,每个酸酐和羧基使用0.7至0.98个异氰酸酯基团,并且在反应之前,期间或之后将完全封闭的多异氰酸酯加入到反应混合物中,其量使得酐和羧基的总量的比例 使用的异氰酸酯基团的总量,包括以封闭形式存在的异氰酸酯基团的基团为1:1至1:1.1。 聚酰胺酰亚胺涂料可用于涂覆电导体。

    Preparation of aqueous thermosetting electrical insulating varnishes,
and use of the varnishes
    4.
    发明授权
    Preparation of aqueous thermosetting electrical insulating varnishes, and use of the varnishes 失效
    水性热固性电绝缘漆的制备,以及清漆的使用

    公开(公告)号:US4429072A

    公开(公告)日:1984-01-31

    申请号:US419494

    申请日:1982-09-17

    摘要: A process for the preparation of aqueous thermosetting electrical insulating varnishes, wherein polyester-imide precondensates are prepared by condensing aromatic tricarboxylic acid monoanhydrides, diamines, diols, triols containing an isocyanurate ring, and cyclic trimerization products of diisocyanates, whose free isocyanate groups are blocked, with or without aromatic dicarboxylic acids or their esterifiable derivatives, and are reacted, at from 50.degree. to 200.degree. C., with or without addition of from 1 to 10% by weight, based on polyester-imide, of a polar organic solvent, with ammonia or an organic amine, and then diluted with fully demineralized water, with or without addition of a water-soluble curing catalyst. The novel electrical insulating varnishes are used as wire enamels or impregnating varnishes.

    摘要翻译: 一种制备水性热固性电绝缘清漆的方法,其中聚酰亚胺预缩合物是通过使芳族三羧酸一酸酐,二胺,二醇,含有异氰脲酸酯环的三醇缩合而得到的,并且游离异氰酸酯基被封闭的二异氰酸酯的环状三聚产物, 具有或不具有芳族二羧酸或其可酯化的衍生物,并且在50℃至200℃下,加入或不加入1-10重量%的基于聚酯 - 酰亚胺的极性有机溶剂, 用氨或有机胺,然后用完全软化水稀释,加入或不加入水溶性固化催化剂。 新型电绝缘清漆用作线釉或浸渍清漆。

    Thermosetting polycondensates containing amide and imide groups, and
their use
    5.
    发明授权
    Thermosetting polycondensates containing amide and imide groups, and their use 失效
    含有酰胺和酰亚胺基团的热固性缩聚物及其用途

    公开(公告)号:US4384061A

    公开(公告)日:1983-05-17

    申请号:US304269

    申请日:1981-09-21

    摘要: Thermosetting polycondensates containing amide and imide groups which are obtained by reacting 1,2,3,4-butanetetracarboxylic acid or its anhydride with one or more aliphatic, cycloaliphatic or aromatic diamines and one or more oxadicarboxylic acids or oxadicarboxylic acid esters of the general formulaROOC--CH.sub.2 --O--(CH.sub.2).sub.2 --O--.sub.n CH.sub.2 --COORwhere R is hydrogen or alkyl of 1 to 6 carbon atoms and n is 0 or an integer from 1 to 10, in a water-soluble organic solvent and/or water, at from 80.degree. to 200.degree. C. These polycondensates are useful as wire enamels, impregnating agents and adhesives.

    摘要翻译: 通过使1,2,3,4-丁烷四羧酸或其酸酐与一种或多种脂族,脂环族或芳族二胺和一种或多种通式为ROOC的氧化二羧酸或氧化二羧酸酯反应得到的含有酰胺和酰亚胺基团的热固性缩聚物 -CH 2 -O-(CH 2)2 -O-nCH 2 -COOR,其中R为氢或1至6个碳原子的烷基,n为0或1至10的整数,在水溶性有机溶剂和/或水 ,80〜200℃。这些缩聚物可用作线釉,浸渍剂和粘合剂。

    Preparation of aqueous thermosetting electrical insulating varnishes
    6.
    发明授权
    Preparation of aqueous thermosetting electrical insulating varnishes 失效
    水性热固性电绝缘漆的制备

    公开(公告)号:US4439579A

    公开(公告)日:1984-03-27

    申请号:US373169

    申请日:1982-04-29

    CPC分类号: H01B3/308 Y10T428/31721

    摘要: Aqueous thermosetting electrical insulating varnishes are prepared by a process wherein hydroxyl-containing polyester-imides which have kinematic viscosities of from 16 to 30 mm.sup.2 .multidot. s.sup.-1 and acid numbers of

    摘要翻译: 水性热固性电绝缘清漆是通过以下方法制备的:其中具有16至30mm 2 / s-1的运动粘度和酸值<10的含羟基的聚酯酰亚胺,其通过将芳族三羧酸一酸酐, 芳族二羧酸或其可酯化或可酯交换的衍生物,含有异氰脲酸酯环的二胺,二醇和三醇在80至130℃下,在存在或不存在最多5重量%的情况下,以聚酯 酰亚胺,有机溶剂为5〜15重量%,以聚酯 - 酰亚胺为基准,为水溶液形式的氨,从而产生氨水解和水解,得到中性或微酸性溶液,即 通过加入去离子水,0.1至5重量%的基于聚酯 - 酰亚胺的水溶性固化催化剂,如果需要,在t后加入,将其稀释至100至10,000mPa.s的粘度 用氨补充。 电绝缘漆用作搪瓷漆或浸渍清漆。

    Impregnation of thread-covered wires and braided conductors by extrusion
of thermoplastics
    7.
    发明授权
    Impregnation of thread-covered wires and braided conductors by extrusion of thermoplastics 失效
    通过挤出热塑性塑料浸渍线包线和编织导体

    公开(公告)号:US4590025A

    公开(公告)日:1986-05-20

    申请号:US722770

    申请日:1985-04-16

    IPC分类号: H01B13/06 H01B13/14

    CPC分类号: H01B13/148 H01B13/065

    摘要: The purpose of the invention is to manufacture varnish-bonded thread-covered circular-section and profile-section wires and braided conductors in a manner which is particularly cheap and which involves particularly little risk of contaminating the environment.Suitable thread-covered wires and braided conductors are obtained by impregnation, in one operation, with partially crystalline or amorphous thermoplastic polycondensates.

    摘要翻译: 本发明的目的是以特别便宜的方式制造清漆粘合的螺纹覆盖的圆形截面和型材截面导线和编织导体,并且涉及特别小的污染环境的风险。 通过在一个操作中通过在部分结晶或无定形热塑性缩聚物中浸渍获得合适的线包线和编织导体。

    Process for coating electrically conductive substrates, water-based
coatings and crosslinking agents containing masked NCO groups
    8.
    发明授权
    Process for coating electrically conductive substrates, water-based coatings and crosslinking agents containing masked NCO groups 失效
    用于涂覆导电基材,水性涂料和含有掩蔽的NCO基团的交联剂的方法

    公开(公告)号:US5324402A

    公开(公告)日:1994-06-28

    申请号:US956763

    申请日:1993-02-04

    摘要: The invention relates to a cathodic electro-dipping process wherein the electro-dipping primer employed contains a crosslinking agent which can be obtained by(I) reacting, in a first stage,(a) diphenylmethane diisocyanate and(b) a monoalcohol or a mixture of monoalcohols to give an intermediate product (A) containing isocyanate groups, and(II) reacting this intermediate product (A) in a second stage with(c) a polyol or a mixture of polyols to give an intermediate product (B) containing hydroxyl groups which(III) is reacted in a third stage either with(d) a cycloaliphatic, aliphatic or araliphatic polyisocyanate or a mixture of such polyisocyanates and(e) a monofunctional masking agent or a mixture of such masking agents or with(f) a partially-masked polyisocyanate prepared from (d) and (e)to give a crosslinking agent which is free from isocyanate groups.

    摘要翻译: PCT No.PCT / EP91 / 01011 Sec。 371日期:1993年2月4日 102(e)日期1993年2月4日PCT PCT 1991年5月31日PCT公布。 WO91 / 18952 PCT出版物 日本1991年12月12日。本发明涉及一种阴极电浸法,其中使用的电浸渍底物含有交联剂,其可以通过(I)在第一阶段中使(a)二苯基甲烷二异氰酸酯和( b)一元醇或一元醇的混合物,得到含有异氰酸酯基团的中间产物(A),和(II)使该中间产物(A)在第二阶段与(c)多元醇或多元醇混合物反应,得到 含有羟基的中间产物(B)(III)在第三阶段与(d)脂环族,脂族或芳脂族多异氰酸酯或这些多异氰酸酯的混合物和(e)单官能掩蔽剂或这种掩蔽剂的混合物 (f)由(d)和(e)制备的部分掩蔽的多异氰酸酯,得到不含异氰酸酯基团的交联剂。

    Three-layer metal pipe coating compositions and process for the exterior coating or metal pipes by a three-layer method
    10.
    发明授权
    Three-layer metal pipe coating compositions and process for the exterior coating or metal pipes by a three-layer method 失效
    三层金属管涂料组合物及其制备方法,采用三层方法对外涂层或金属管进行

    公开(公告)号:US06174569B1

    公开(公告)日:2001-01-16

    申请号:US08892081

    申请日:1997-07-14

    IPC分类号: B05D136

    摘要: The invention relates to three-layer metal pipe coating compositions based on a powder primer, on a thermoplastic hard adhesive and on a polyolefin cladding. The powder primer contains epoxidized novolak resins, phenolic crosslinking agents and fillers based on crystalline silicic acid modifications. The invention likewise relates to a process for the exterior coating of metal pipes by a three-layer method, in which the powder primer described is applied to the metal pipe, a thermoplastic hard adhesive is applied to the powder primer, and subsequently a polyolefin cladding is applied.

    摘要翻译: 本发明涉及基于粉末底漆,热塑性硬粘合剂和聚烯烃包层的三层金属管涂料组合物。 粉末底漆含有环氧化酚醛清漆树脂,酚类交联剂和基于结晶硅酸改性的填料。 本发明同样涉及一种通过三层方法对金属管外涂层的方法,其中所述的粉末底漆应用于金属管,将热塑性硬质粘合剂施加到粉末底漆上,随后将聚烯烃包层 被申请;被应用。