Permanently stabilized polyurethanes
    1.
    发明授权
    Permanently stabilized polyurethanes 失效
    永久稳定的聚氨酯

    公开(公告)号:US4178279A

    公开(公告)日:1979-12-11

    申请号:US834762

    申请日:1977-09-19

    CPC分类号: C08G18/2805 C08G18/10

    摘要: The invention is related to modified polyurethanes which have a permanent, wash-fast, acidresistant, dry cleaning-resistant and solvent-resistant stabilization based on 2,2,6,6-tetraalkyl-piperidine light protective agents. These stabilizers are an integral constituent of the polyurethanes, that is to say they take part in the polyurethane synthesis by the reaction of an H-active reactive group (for example NH.sub.2, NH-alkyl, CO--NH--NH.sub.2, NH--CO--NH--NH.sub.2, OH or some other H-active group) of the 2,2,6,6-tetraalkyl-piperidine derivatives with isocyanate groups of polyisocyanates or isocyanate prepolymers.

    摘要翻译: 本发明涉及基于2,2,6,6-四烷基 - 哌啶光保护剂的具有永久,耐洗,耐酸,耐干性和耐溶剂稳定性的改性聚氨酯。 这些稳定剂是聚氨酯的一个组成部分,也就是说,它们通过H活性反应性基团(例如NH 2,NH-烷基,CO-NH-NH 2,NH-CO- NH-NH 2,OH或一些其它H-活性基团)的2,2,6,6-四烷基 - 哌啶衍生物与多异氰酸酯或异氰酸酯预聚物的异氰酸酯基团。

    Permanently stabilized polymers produced by after-treatment with
piperidine compounds
    5.
    发明授权
    Permanently stabilized polymers produced by after-treatment with piperidine compounds 失效
    通过用哌啶化合物后处理生产的永久稳定的聚合物

    公开(公告)号:US4153596A

    公开(公告)日:1979-05-08

    申请号:US834764

    申请日:1977-09-19

    摘要: This invention relates to permanently stabilized polymers containing substituted piperidine derivatives chemically attached to the polymer molecule through O- or N-atoms. Compounds based on 2,2,6,6-tetraalkyl piperidines have now been found which, on the one hand, have a very high stabilizing activity and, on the other hand, contain one or more reactive groups through which they are able to react with the polymers to be stabilized. Stabilized polymers, preferably polyurethane elastomer filaments, films and coatings with a permanent washing-resistant, boiling resistant, acid-resistant, dry-cleaning-resistant and solvent-resistant stabilization based on 2,2,6,6-tetraalkyl piperidine light stabilizers are thus obtained.

    摘要翻译: 本发明涉及含有通过O-或N-原子化学连接到聚合物分子上的取代的哌啶衍生物的永久稳定的聚合物。 现在已经发现基于2,2,6,6-四烷基哌啶的化合物,其一方面具有非常高的稳定活性,另一方面,含有一个或多个反应性基团,通过它们能够反应 使聚合物稳定。 基于2,2,6,6-四烷基哌啶光稳定剂,稳定的聚合物,优选聚氨酯弹性体长丝,具有永久耐洗,耐沸,耐酸,耐干洗和耐溶剂的稳定化的膜和涂层是 从而得到。

    Permanently stabilized polyurethanes
    6.
    发明授权
    Permanently stabilized polyurethanes 失效
    永久稳定的聚氨酯

    公开(公告)号:US4145512A

    公开(公告)日:1979-03-20

    申请号:US834765

    申请日:1977-09-19

    摘要: According to the invention there are obtained modified polyurethanes which have a durable, wash-fast, acid-resistant, cleaning-resistant and solvent-resistant stabilization on the basis of 2,2,6,6-tetraalkyl-piperidine light protective agents. The stabilizers are integral constituents of the polyurethanes, that is to say they are built into the polyurethane chain by a chain lengthening reaction in which two H-active reactive groups (preferably from the series of primary or secondary amino groups, carboxylic acid hydrazide, carbazic ester or semicarbazide groups) of a 2,2,6,6-tetraalkyl piperidine derivative react with isocyanate groups of polyisocyanates or isocyanate prepolymers, optionally in the presence of the usual chain lengthening agents.

    摘要翻译: 根据本发明,获得了基于2,2,6,6-四烷基 - 哌啶光保护剂具有耐久,耐洗,耐酸,耐清洁和耐溶剂稳定性的改性聚氨酯。 稳定剂是聚氨酯的整体组分,也就是说它们通过链延长反应被构建到聚氨酯链中,其中两个H-活性反应性基团(优选的是一系列伯或仲氨基,羧酸酰肼,咔唑 任选地在常用的链延长剂的存在下,2,2,6,6-四烷基哌啶衍生物与异氰酸酯或异氰酸酯预聚物的异氰酸酯基团反应,酯或氨基脲基)。

    Intermediates in the preparation of
2,2-dimethyl-3-aryl-cyclopropanecarboxylic acids and esters
    8.
    发明授权
    Intermediates in the preparation of 2,2-dimethyl-3-aryl-cyclopropanecarboxylic acids and esters 失效
    中间体制备2,2-二甲基-3-芳基 - 环丙烷羧酸和酯

    公开(公告)号:US4681952A

    公开(公告)日:1987-07-21

    申请号:US669182

    申请日:1984-11-07

    摘要: A process for the preparation of 2,2-dimethyl-3-arylcyclopropanecarboxylic acid or ester of the formula ##STR1## in which Ar is naphthyl or the radical ##STR2## R.sup.1 is H or C.sub.1 -C.sub.4 -alkyl, Z is oxygen, sulphur, or 1,2-ethenediyl, andR.sup.2 represents hydrogen, halogen, cyano, nitro or trialkylsilyl or a radical, which is optionally substituted by halogen, from the series comprising alkyl, cycloalkyl, alkenyl, alkoxy, alkylenedioxy, alkylthio, alkylsulphinyl, alkylsulphonyl, dialkylamino, phenyl and phenoxy,comprising reacting a 1-aryl-1-halogeno-2,2-dimethyl-3-butanone of the formula ##STR3## in which X.sup.1 is chlorine or bromine, with a base in the presence of a diluent at a temperature between about -20.degree. and +150.degree. C., thereby to form a 2,2-dimethyl-3-arylcyclobutanone of the formula ##STR4## and reacting such 2,2-dimethyl-3-arylcyclobutanone with chlorine or bromine in the presence of an inert diluent at a temperature between about -30.degree. and +50.degree. C., reacting such 2,2-dimethyl-3-arylcyclobutanone with chlorine or bromine in the presence of an inert diluent at a temperature between about -30.degree. and +150.degree. C., thereby to form a 2,2-dimethyl-3-aryl-4-halogenocyclobutanone of the formula ##STR5## and reacting such 2,2-dimethyl-3-aryl-4-halogenocyclobutanone with an alkali metal alcoholate in the presence of an organic solvent or with an alkali metal or alkaline earth metal hydroxide or carbonate in the presence of water and an organic solvent, at a temperature between about -20.degree. and +100.degree. C. The various intermediates are new and the end product is a known intermediate for known insecticides.

    摘要翻译: 制备2,2-二甲基-3-芳基环丙烷羧酸或其中Ar为萘基或R 1为R 1的式“IMAGE”的酯的方法为H或C 1 -C 4 - 烷基,Z为氧,硫 或1,2-乙烯二基,R 2代表氢,卤素,氰基,硝基或三烷基甲硅烷基或任选被卤素取代的基团,包括烷基,环烷基,烯基,烷氧基,亚烷基二氧基,烷硫基,烷基亚磺酰基,烷基磺酰基 ,二烷基氨基,苯基和苯氧基,包括使X1为氯或溴的式“IMAGE”的1-芳基-1-卤代-2,2-二甲基-3-丁酮与碱在稀释剂存在下反应 在约-20℃至+ 150℃之间的温度下,由此形成下式的2,2-二甲基-3-芳基环丁酮,并使这种2,2-二甲基-3-芳基环丁酮与氯或溴反应 在惰性稀释剂存在下,在-30℃〜+ 50℃的温度下,使这样的2,2-二甲基-3-芳基 氯丁酮与氯或溴在惰性稀释剂存在下,在约-30℃至+ 150℃之间的温度下反应,由此形成下式的“2,2-二甲基-3-芳基-4-卤代环丁酮” 并在有机溶剂或碱金属或碱土金属氢氧化物或碳酸盐存在下,在水和有机溶剂的存在下,使这种2,2-二甲基-3-芳基-4-卤代环丁酮与碱金属醇盐反应, 在约-20℃至+ 100℃之间的温度下。各种中间体是新的,最终产物是已知杀虫剂的已知中间体。