Process for producing particulate polymer having imide groups
    1.
    发明授权
    Process for producing particulate polymer having imide groups 失效
    用于生产具有酰亚胺基团的聚合物的方法

    公开(公告)号:US4427822A

    公开(公告)日:1984-01-24

    申请号:US440570

    申请日:1982-11-10

    摘要: A particulate polymer which has imide groups and may be in gelled state can be produced by reacting a polyisocyanate with a polycarboxylic acid having at least one acid anhydride group, and if necessary together with a polycarboxylic acid other than that mentioned above in the presence of a liquid medium containing at least one non-aqueous organic liquid, and thereby obtaining the particulate polymer having imide groups dispersed in the non-aqueous organic liquid.

    摘要翻译: 具有酰亚胺基并且可以处于胶凝状态的颗粒聚合物可以通过使多异氰酸酯与具有至少一个酸酐基团的多元羧酸反应,并且如果需要,与除上述以外的多元羧酸一起在 含有至少一种非水有机液体的液体介质,从而获得分散在非水有机液体中的具有酰亚胺基团的颗粒状聚合物。

    Liquid chromatographic column packing material
    2.
    发明授权
    Liquid chromatographic column packing material 失效
    液相色谱柱包装材料

    公开(公告)号:US4505818A

    公开(公告)日:1985-03-19

    申请号:US534077

    申请日:1983-09-20

    摘要: A liquid chromatographic column packing material comprising porous styrene-divinylbenzene copolymer particles having --SO.sub.3.sup.- groups and, as counterion thereof, ions represented by the formula: .sup.+ NH.sub.n X.sub.m wherein X is --CH.sub.2 OH, --CH.sub.2 CH.sub.2 O--.sub.p H or --CR'.sub.q (CH.sub.2 OH).sub.r group; R' is hydrogen or a lower alkyl group; q and r are independently zero or an integer of 1 to 3, and q+r=3; p is an integer of 1 to 10; n is zero or an integer of 1; and m is an integer of 3 or 4, but m+n=4, is suited for separating sugars or sugaralcohols by liquid chromatography.

    摘要翻译: 一种液相色谱柱填充材料,其包含具有-SO 3 - 基团的多孔苯乙烯 - 二乙烯基苯共聚物颗粒,并且作为其抗衡离子,由式:+ NH n X m表示的离子,其中X是-CH 2 OH,-CH 2 CH 2 O-pH或-CR'q(CH 2 OH) r组 R'是氢或低级烷基; q和r分别为0或1〜3的整数,q + r = 3; p为1〜10的整数。 n为0或整数1; m为3或4的整数,但m + n = 4,适于通过液相色谱分离糖或糖醇。

    Insulated wire
    3.
    发明授权
    Insulated wire 失效
    绝缘电线

    公开(公告)号:US4505980A

    公开(公告)日:1985-03-19

    申请号:US439199

    申请日:1982-11-04

    摘要: An insulated wire having excellent heat resistance, abrasion resistance and flexibility can be prepared by coating on an electric conductor directly or via another insulating material a polyamide-imide resin composition prepared by reacting an aromatic diisocyanate and a tricarboxylic acid anhydride in the presence of a basic solvent while adjusting the resin content at 40% by weight or more, and adding to the reaction system a lactam in an amount of 0.1 to 1.0 mole per mole of the aromatic diisocyanate, and if necessary, an alcohol and/or an oxime in an amount of 0.01 to 0.5 mole per mole of the aromatic diisocyanate before, during or after the above-mentioned reaction to mask terminal functional groups and to make the reduced viscosity of the composition 0.1 to 0.27, and baking the resin composition.

    摘要翻译: 具有优异的耐热性,耐磨性和柔韧性的绝缘线可以通过在电导体上直接或通过另一种绝缘材料涂覆聚酰胺酰亚胺树脂组合物来制备,所述聚酰胺酰亚胺树脂组合物通过芳基二异氰酸酯和三羧酸酐在碱存在下反应制备 溶剂,同时将树脂含量调节至40重量%以上,并且向反应体系中加入每摩尔芳族二异氰酸酯为0.1至1.0摩尔量的内酰胺,如果需要,将其中的醇和/或肟 在上述掩蔽末端官能团的反应之前,期间或之后,使组合物的比浓对数为0.1〜0.27,并将该树脂组合物烘烤,每摩尔芳族二异氰酸酯的量为0.01〜0.5摩尔。

    Polyamide-imide resin pastes
    8.
    发明授权
    Polyamide-imide resin pastes 失效
    聚酰胺酰亚胺树脂浆料

    公开(公告)号:US5037862A

    公开(公告)日:1991-08-06

    申请号:US204190

    申请日:1988-06-08

    摘要: Disclosed is a polyamide-imide resin paste which comprises polyamide-imide resin solution dissolved in a non-nitrogen-containing solvent, wherein resin fine particles are dispersed in the solution in an amount of 1 to 50% by weight relative to the resulting polyamide-imide resin paste.According to the present invention, there can be provided a paste which does not cause any clogging of screen due to adhesion of the paste even in repeated printings over a long period of time and shows an excellent mechanical stability of a paste in printing.

    摘要翻译: 公开了一种聚酰胺酰亚胺树脂浆料,其包含溶解在不含氮的溶剂中的聚酰胺 - 酰亚胺树脂溶液,其中树脂细颗粒相对于所得的聚酰胺 - 酰亚胺树脂浆以1至50重量%的量分散在溶液中, 酰亚胺树脂糊。 根据本发明,可以提供一种糊剂,即使在长时间的反复印刷中也不会由于糊剂的粘附而导致屏幕堵塞,并且在印刷中显示出优异的糊剂的机械稳定性。

    Method for preparing polyamide-imide resin
    9.
    发明授权
    Method for preparing polyamide-imide resin 失效
    聚酰胺酰亚胺树脂的制备方法

    公开(公告)号:US4447589A

    公开(公告)日:1984-05-08

    申请号:US439198

    申请日:1982-11-04

    CPC分类号: C08G73/14 H01B3/306

    摘要: A polyamide-imide resin which can give a varnish having a high resin content, excellent in storage stability and heat resistant final products can be produced by reacting an aromatic diisocyanate with a tricarboxylic acid anhydride in the presence of a basic solvent while adjusting the resin content at 40% by weight or more, and adding a specific amount of lactam and a specific amount of an alcohol and/or an oxime separately before, during or after the above-mentioned reaction so as to adjust the reduced viscosity of the resin to 0.10 to 0.27.

    摘要翻译: 能够提供具有高树脂含量,优异储存稳定性和耐热成品的清漆的聚酰胺 - 酰亚胺树脂可以通过在碱性溶剂的存在下使芳族二异氰酸酯与三羧酸酐反应同时调节树脂含量 40重量%以上,在上述反应之前,之中或之后分别加入特定量的内酰胺和特定量的醇和/或肟,以将树脂的比浓粘度调节至0.10 至0.27。

    Process for producing polyamide-imide resin
    10.
    发明授权
    Process for producing polyamide-imide resin 失效
    聚酰胺酰亚胺树脂生产工艺

    公开(公告)号:US4497944A

    公开(公告)日:1985-02-05

    申请号:US439200

    申请日:1982-11-04

    CPC分类号: C08G73/14 H01B3/306

    摘要: A polyamide-imide resin which can give a varnish having a high resin content, excellent in storage stability and heat resistant final products such as insulated wire can be produced by reacting an aromatic diisocyanate with a tricarboxylic acid anhydride in the presence of a basic solvent while adjusting the resin content at 40% by weight or more, and adding a compound having one active hydrogen atom before, during or after the above-mentioned reaction so as to adjust the reduced viscosity of the resin to 0.27 or lower.

    摘要翻译: 能够得到具有高树脂含量,优异的储存稳定性和耐热最终产品如绝缘线的清漆的聚酰胺酰亚胺树脂可以通过芳族二异氰酸酯与三羧酸酐在碱性溶剂的存在下反应来制备,同时 调整树脂含量为40重量%以上,在上述反应之前,之中或之后加入具有一个活性氢原子的化合物,以将树脂的比浓粘度调节至0.27以下。