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144 条记录 (耗时 0.022 秒)

    Powder lacquer and its use for coating heat-resistant substrates
    72.
    发明授权
    Powder lacquer and its use for coating heat-resistant substrates 失效
    粉末漆及其用于涂覆耐热基材的用途

    公开(公告)号：US4900800A

    公开(公告)日：1990-02-13

    申请号：US73927

    申请日：1987-07-15

    申请人： Reinhard Halpaap ,  Josef Pedain ,  Hans-Joachim Kreuder ,  Gerhard Klein ,  Walter Schafer ,  Dieter Arlt

    发明人： Reinhard Halpaap ,  Josef Pedain ,  Hans-Joachim Kreuder ,  Gerhard Klein ,  Walter Schafer ,  Dieter Arlt

    IPC分类号： C08G18/72 ,  C08G18/02 ,  C08G18/16 ,  C08G18/73 ,  C08G18/79 ,  C08G18/80 ,  C09D5/03 ,  C09D5/46 ,  C09D175/00 ,  C09D175/04

    CPC分类号： C08G18/8058 ,  C08G18/791 ,  C08G18/8009 ,  C08G2150/20

    摘要： The present invention relates to a powder lacquer containing a mixture of(A) a polyisocyanate component in power form which is solid below about 40.degree. C. and liquid above about 150.degree. C. and(B) a organic polyhydroxyl component in powder form which is solid below about 40.degree. C. and liquid above about 150.degree. C.,components (A) and (B) being present in quantities corresponding to an equivalent ratio of isocyanate groups to hydroxyl groups of about 0.6:1 to 1.2:1, characterized in that component (A) is based on a polyisocyanate or polyisocyanate mixture which(a) does not contain any blocking agents for isocyanate groups,(b) has a content of free isocyanate groups (expressed as NCO) attached to tertiary, aliphatic or cycloaliphatic carbon atoms of about 8 to 24% by weight and an average NCO functionality of at least 2.1,(c) has a urethane group content (expressed as --NH--CO--O--) of about 3 to 30% by weight and(d) has an isocyanurate group content (expressed as C.sub.3 N.sub.3 O.sub.3) of 0 to about 30% by weight.The present invention also relates to the use of this powder lacquer for the production of coatings on heat-resistant substrates by methods known in powder lacquer technology.

    摘要翻译： 本发明涉及一种粉末漆，其含有（A）固体低于约40℃的功率形式的多异氰酸酯组分和高于约150℃的液体的混合物和（B）粉末形式的有机多羟基组分， 固体低于约40℃，液体高于约150℃，组分（A）和（B）的存在量相当于异氰酸酯基与羟基的当量比为约0.6:1至1.2:1， 其特征在于组分（A）是基于多异氰酸酯或多异氰酸酯混合物，其中（a）不含任何异氰酸酯基团的封端剂，（b）具有连接到叔脂族或叔碳原子上的游离异氰酸酯基团（表示为NCO） 约8至24重量％的脂环族碳原子和平均NCO官能度至少为2.1，（c）具有约3至30重量％的氨基甲酸酯基含量（表示为-NH-CO-O-）和（ d）具有0至约的异氰脲酸酯基含量（表示为C 3 N 3 O 3） 30重量％。 本发明还涉及这种粉末漆用于通过粉末漆技术中已知的方法在耐热基材上生产涂层的用途。

    Process for the preparation of 2,2-dimethyl-3-vinyl-cyclopropanecarboxylic acids and esters
    76.
    发明授权
    Process for the preparation of 2,2-dimethyl-3-vinyl-cyclopropanecarboxylic acids and esters 失效
    2,2-二甲基-3-乙烯基 - 环丙烷羧酸和酯的制备方法

    公开(公告)号：US4440955A

    公开(公告)日：1984-04-03

    申请号：US443840

    申请日：1982-11-22

    申请人： Manfred Jautelat ,  Dieter Arlt

    发明人： Manfred Jautelat ,  Dieter Arlt

    IPC分类号： C07C49/16 ,  B01J23/72 ,  B01J23/74 ,  B01J27/02 ,  B01J27/08 ,  B01J27/24 ,  B01J31/02 ,  B01J31/04 ,  B01J31/22 ,  C07C43/225 ,  C07C45/51 ,  C07C45/69 ,  C07C51/00 ,  C07C61/40 ,  C07C69/747

    CPC分类号： C07C45/69 ,  C07C43/225 ,  C07C45/513 ,  C07C51/00

    摘要： A process for the production of 2,2-dimethyl-3-vinyl-cyclopropanecarboxylic acid derivative of the formula ##STR1## in which R.sup.1 is a hydrogen atom, an alkyl group or a radical of an alcohol which can be used in pyrethroids, andX.sup.1 and X.sup.2 each independently is a halogen atom or a fluorine-substituted alkyl radical,comprising adding (a) a polyhalogenoalkene of the formula ##STR2## in which X.sup.3 and X.sup.4 each independently is a halogen atom,to 1-chloro-3,3-dimethyl-pent-4-en-2-one of the formula ##STR3## in the presence of a catalyst which yields free radicals, or in the presence of a metal salt of the VIII main group or of the sub-group IVa, VIIa or Ib of the periodic system, thereby to obtain a mixture of compounds of the formula ##STR4## (b) reacting either or both of such compounds with a base of the formula(R.sup.1 --O.sup..crclbar.).sub.n M.sup.n+in whichM is an alkali metal or alkaline earth metal, andn is 1 or 2.The end products are known insecticides and intermediates therefor, while the intermediates produced by (a) are novel compounds.

    摘要翻译： 制备式“IMAGE”的2,2-二甲基-3-乙烯基 - 环丙烷羧酸衍生物的方法，其中R 1是可用于拟除虫菊酯的氢原子，烷基或醇基，以及 X 1和X 2各自独立地为卤素原子或氟取代的烷基，其包括将（X3）和X4各自独立地为卤素原子的式（a）的多卤代烯烃加入到1-氯-3,3 在产生自由基的催化剂的存在下，或在VIII主族或亚组IVa的金属盐存在下，式“IMAGE”的2-二甲基 - 戊-4-烯-2-酮， VIIa或Ib化合物，从而得到下式化合物的混合物：（b）使这些化合物中的一种或两者与式（R1-O（ - ））nMn +的碱反应， 其中M为碱金属或碱土金属，n为1或2.最终产物为已知的杀虫剂及其中间体，而中间体 （a）产生的是新化合物。

    Preparation of 1-aryloxy-methyl ketones
    77.
    发明授权
    Preparation of 1-aryloxy-methyl ketones 失效
    1-芳氧基 - 甲基酮的制备

    公开(公告)号：US4399309A

    公开(公告)日：1983-08-16

    申请号：US335942

    申请日：1981-12-30

    申请人： Manfred Jautelat ,  Jorg Stetter ,  Dieter Arlt

    发明人： Manfred Jautelat ,  Jorg Stetter ,  Dieter Arlt

    IPC分类号： C07C49/175 ,  C07C43/225 ,  C07C45/00 ,  C07C45/42 ,  C07C49/255 ,  C07C49/35 ,  C07C67/00 ,  C07C201/00 ,  C07C205/37 ,  C07C205/39 ,  C07C45/51

    CPC分类号： C07C41/16 ,  C07C45/42

    摘要： A process for the preparation of a 1-aryloxy-methyl ketone of the formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 each independently is hydrogen, optionally substituted alkyl, alkenyl, alkynyl or optionally substituted aryl, orR.sup.1 and R.sup.2 together are an alkylene chain,R.sup.4 each independently is halogen, alkyl, alkoxy, optionally substituted aryl or nitro, andn is 0, 1, 2 or 3,comprising hydrolyzing a 1-halogeno-2-aryloxy-1-alkene of the formula ##STR2## in which Hal is chlorine or bromine, under acidic conditions at a temperature from about 20.degree. to 150.degree. C. until it is about 95 to 100% complete, adding a base, and then bringing the reaction to completion under weakly alkaline conditions at about 20.degree. to 150.degree. C. Advantageously all stages of the reaction are effected in a single vessel at a temperature from about 40.degree. to 100.degree. C. and in the presence of an inert organic solvent, optionally in admixture with water as a solution or as a two-phase system, about 1 mol of a monobasic acid and 2 mols of alkali metal carbonate being employed per mol of the 1-halogeno-2-aryloxy-1-alkene. The end products are known intermediates for fungicides.

    摘要翻译： 制备式“IMAGE”的1-芳氧基甲基酮的方法，其中R 1，R 2和R 3各自独立地为氢，任选取代的烷基，烯基，炔基或任选取代的芳基，或者R 1和R 2一起是 亚烷基链，R4各自独立地为卤素，烷基，烷氧基，任选取代的芳基或硝基，n为0,1,2或3，包括水解式IMAMA的1-卤代-2-芳氧基-1-烯烃， 其中Hal为氯或溴，在酸性条件下，在约20℃至150℃的温度下，直到其完全达到约95-100％，加入碱，然后使反应在弱碱性条件下在约 有利的是，反应的所有阶段在单一容器中在约40℃至100℃的温度下进行，并且在惰性有机溶剂的存在下，任选与水作为溶液的混合物或 作为两相体系，约1摩尔一元酸 每摩尔1-卤代-2-芳氧基-1-烯烃使用2摩尔碱金属碳酸盐。 最终产品是已知的杀真菌剂中间体。