Process for producing 1,4-dicyano-2-butene
    1.
    发明授权
    Process for producing 1,4-dicyano-2-butene 失效
    1,4-二氰基-2-丁烯的制备方法

    公开(公告)号:US5463103A

    公开(公告)日:1995-10-31

    申请号:US210412

    申请日:1994-02-24

    CPC分类号: C07C253/16 Y02P20/582

    摘要: The object of the present invention is to provide a process for producing 1,4-dicyano-2-butene in a high yield and in an industrially advantageous way.The present invention relates to a process for producing 1,4-dicyano-2-butene which comprises reacting a butene derivative represented by the formula [1]R.sub.1 --CH.sub.2 --CH.dbd.CH--CH.sub.2 --R.sub.2 [1]or the formula [2]R.sub.3 --CH.sub.2 --CHR.sub.4 --CH.dbd.CH.sub.2 [2]wherein each of R.sub.1 and R.sub.3 represents a hydroxy group, lower acyloxy group, lower alkoxy group or cyano group; and each of R.sub.2 and R.sub.4 represents a hydroxy group, lower acyloxy group or lower alkoxy group, with hydrogen cyanide in the presence of a catalyst comprising a product prepared from a cuprous halide, a non-aromatic amine hydrohalide and at least one member selected from the group consisting of Lewis acids and basic compounds.

    摘要翻译: 本发明的目的是提供以高产率和工业上有利的方式生产1,4-二氰基-2-丁烯的方法。 本发明涉及1,4-二氰基-2-丁烯的制备方法,该方法包括使式[1] R1-CH2-CH = CH-CH2-R2 [1]表示的丁烯衍生物或式[2 ] R3-CH2-CHR4-CH = CH2 [2],其中R1和R3各自表示羟基,低级酰氧基,低级烷氧基或氰基; R 2和R 4各自表示羟基,低级酰氧基或低级烷氧基,在含有由卤化亚铜,非芳族胺氢卤化物和至少一种选自 由Lewis酸和碱性化合物组成的组。

    Process for producing phenols
    2.
    发明授权
    Process for producing phenols 失效
    酚类生产方法

    公开(公告)号:US4390736A

    公开(公告)日:1983-06-28

    申请号:US320106

    申请日:1981-11-10

    摘要: A method for production of phenol or nucleus-substituted phenols from benzoic acid or nucleus-substituted benzoic acids by gas-phase catalytic oxidation characterized by using an oxide catalyst of the formula,Mo.sub.a W.sub.b X.sub.c Y.sub.d Z.sub.e O.sub.fwherein Mo is molybdenum, W is at least one of vanadium, niobium and tantalum, X is at least one of copper, silver, manganese, iron, cobalt, nickel, rhodium, palladium and platinum, Y is at least one of cerium, uranium, zirconium, chromium, tungsten, zinc, cadmium, tin, phosphorus, antimony, bismuth and tellurium, Z is at least one of thallium, alkali metals and alkaline earth metals, and when a is fixed to 12, b is 0.1 to 60, c is 0.1 to 60, d is 0 to 24, e is 0.1 to 120 and f is the number of oxygen atoms satisfying the valence of other elements.

    摘要翻译: 一种通过气相催化氧化从苯甲酸或核取代的苯甲酸生产苯酚或核取代的苯酚的方法,其特征在于使用下式的氧化物催化剂,其中Mo是钼,W是钒中的至少一种,MoaWbXcYdZeOf, 铌和钽中的至少一种,X是铜,银,锰,铁,钴,镍,铑,钯和铂中的至少一种,Y是铈,铀,锆,铬,钨,锌,镉,锡, 磷,锑,铋和碲,Z为铊,碱金属和碱土金属中的至少一种,当a固定为12时,b为0.1〜60,c为0.1〜60,d为0〜24,e 为0.1〜120,f为满足其他元素的化合价的氧原子数。

    Coating composition
    3.
    发明授权
    Coating composition 失效
    涂料组成

    公开(公告)号:US4028300A

    公开(公告)日:1977-06-07

    申请号:US613035

    申请日:1975-09-12

    摘要: A coating composition useful for improving the surface properties, such as surface hardness and chemical resistance, of plastic products, wooden products, metallic products, or the like, which comprises (A) silicon compounds partial hydrolyzates comprising a partial hydrolyzate of a tetraalkoxysilane and a partial hydrolyzate of an organic silicon compound of the formula: R.sub.n Si(OR').sub.4.sub.-n wherein R is a hydrocarbon group, R' is an alkyl and n is 1 or 2, and (B) an acrylic copolymer and an etherated methylolmelamine, which are dissolved in a solvent. The coating composition can give a transparent coating film having excellent hardness, water resistance, boiling water resistance, chemical resistance, heat cycle resistance and weatherability, and further antistatic properties onto the formed products.

    摘要翻译: 一种用于改善塑料制品,木制品,金属制品等的表面硬度和耐化学性的表面性质的涂料组合物,其包含(A)含有四烷氧基硅烷的部分水解产物的硅化合物部分水解产物和 下式的有机硅化合物的部分水解产物:RnSi(OR')4-n其中R是烃基,R'是烷基,n是1或2,和(B)丙烯酸共聚物和醚化的羟甲基三聚氰胺, 它们溶解在溶剂中。 涂料组合物可以得到具有优异的硬度,耐水性,耐沸水性,耐化学腐蚀性,耐热循环性和耐候性的透明涂膜,以及对成型体的进一步的抗静电性。

    Heat-resisting optical fiber
    4.
    发明授权
    Heat-resisting optical fiber 失效
    耐热光纤

    公开(公告)号:US4576438A

    公开(公告)日:1986-03-18

    申请号:US504861

    申请日:1983-06-16

    摘要: A heat-resisting optical fiber comprising a core and a cladding, characterized in that the core is made of a polymer comprising units of a methacrylic ester, of which the ester moiety has an alicyclic hydrocarbon group of not less than 8 carbon atoms, and the cladding is made of a transparent polymeric material having a refractive index of at least 3% smaller than that of the core. This optical fiber has excellent heat resistance and good flexibility and can be used at a high temperature over 110.degree. C.

    摘要翻译: 1.一种耐热纤维,其特征在于,包括芯和包层,其特征在于,所述芯由包含甲基丙烯酸酯单元的聚合物制成,所述甲基丙烯酸酯部分具有不小于8个碳原子的脂环族烃基, 包层由折射率比芯的折射率小至少3%的透明聚合材料制成。 该光纤具有优异的耐热性和良好的柔韧性,可以在110℃以上的高温下使用。

    Process for the preparation of azo compounds from amino compounds in the
presence of a phase transfer catalyst
    5.
    发明授权
    Process for the preparation of azo compounds from amino compounds in the presence of a phase transfer catalyst 失效
    在相转移催化剂存在下由氨基化合物制备偶氮化合物的方法

    公开(公告)号:US4272435A

    公开(公告)日:1981-06-09

    申请号:US945504

    申请日:1978-09-25

    CPC分类号: C07C255/65

    摘要: Azo compounds of the formula, ##STR1## wherein each of R.sub.1 and R.sub.2 is selected from the group consisting of (1) C.sub.1 -C.sub.8 aliphatic hydrocarbons unsubstituted or substituted with carboxyl, hydroxyl or alkoxy of the formula --OR.sub.4 in which R.sub.4 is a C.sub.1 -C.sub.4 aliphatic hydrocarbon, (2) C.sub.3 -C.sub.8 alicyclic hydrocarbons, (3) C.sub.6 -C.sub.10 aromatic hydrocarbons and (4) C.sub.4 -C.sub.12 alicyclic hydrocarbons formed by combining R.sub.1 and R.sub.2 together with the adjacent carbon atom, and R.sub.3 is selected from the group consisting of nitrile, esters of the formula --COOR.sub.4 in which R.sub.4 is a C.sub.1 -C.sub.4 aliphatic hydrocarbon, a carboxylate of the formula --COOM in which M is an alkali metal or alkaline earth metal, and a carboxylamido, which are useful as foaming agents or radical polymerization initiator, are prepared in a high yield by reacting a corresponding amino compound with a metal hypohalite or with an alkyl hypohalite in the presence of an alkali, using a phase transfer catalyst in a heterogeneous medium comprising water and organic solvent, the phase transfer catalyst being one member selected from the group consisting of organic quaternary ammonium salts, organic quaternary phosphonium salts and macrocyclic polyethers.

    摘要翻译: 下式的偶氮化合物,其中R 1和R 2各自选自(1)未被取代或被羧基取代的C 1 -C 8脂族烃,或由式-OR 4取代的羟基或烷氧基,其中R 4是C 1 -C 4脂族烃,(2)C 3 -C 8脂环烃,(3)C 6 -C 10芳烃和(4)通过将R 1和R 2与相邻碳原子结合而形成的C 4 -C 12脂环族烃,并且R 3选自 由腈组成的组,其中R 4是C 1 -C 4脂族烃的式-COOR 4的酯,其中M是碱金属或碱土金属的式-COOM的羧酸酯和可用作起泡剂的羧酰胺基 通过使相应的氨基化合物与金属次卤酸盐或与烷基次卤酸盐在碱存在下反应,通过在包含水和有机物的非均相介质中使用相转移催化剂,以高产率制备试剂或自由基聚合引发剂 lvent,相转移催化剂是选自有机季铵盐,有机季鏻盐和大环聚醚中的一种。

    Process for producing 1,4-dicyano-2-butene and catalyst therefor
    6.
    发明授权
    Process for producing 1,4-dicyano-2-butene and catalyst therefor 失效
    1,4-二氰基-2-丁烯及其催化剂的制备方法

    公开(公告)号:US5637751A

    公开(公告)日:1997-06-10

    申请号:US040439

    申请日:1993-04-01

    IPC分类号: C07C253/16

    CPC分类号: C07C253/16

    摘要: 2-Butene-1,4-diol and/or 3-butene-1,2-diol are (is) reacted with hydrogen cyanide in the presence of a molten catalyst comprising a cuprous halide and a non-aromatic organic amine hydrohalide.

    摘要翻译: 在包含卤化亚铜和非芳族有机胺氢卤酸盐的熔融催化剂的存在下,将2-丁烯-1,4-二醇和/或3-丁烯-1,2-二醇与氰化氢反应。

    Preparation of 2,2'-azobis(2-methylpropionitrile)
    7.
    发明授权
    Preparation of 2,2'-azobis(2-methylpropionitrile) 失效
    制备2,2'-偶氮双(2-甲基丙腈)

    公开(公告)号:US4252717A

    公开(公告)日:1981-02-24

    申请号:US34988

    申请日:1979-05-01

    CPC分类号: C07C255/00 C07C255/65

    摘要: 2,2'-Azobis(2-methylpropionitrile), which is used as a foaming agent and a radical polymerization initiator, is produced in a high yield and a high purity, by (1) subjecting a crude 2-amino-2-methylpropionitrile product obtained by the reaction between acetone cyanohydrin and ammonia, to reduced pressure distillation, (2) contacting the resulting purified 2-amino-2-methylpropionitrile product having an ammonia content of 1.5% by weight or less with an aqueous metal hypochlorite solution, and then (3) treating the resulting aqueous suspension of 2,2'-azobis(2-methylpropionitrile) with a reducing agent.

    摘要翻译: 通过(1)将2-氨基-2-甲基丙腈粗制的高产率和高纯度制备用作发泡剂和自由基聚合引发剂的2,2'-偶氮二(2-甲基丙腈) 通过丙酮氰醇与氨反应获得的产物进行减压蒸馏,(2)使氨水含量为1.5重量%以下的纯化2-氨基-2-甲基丙腈产物与金属次氯酸盐水溶液接触,和 然后(3)用还原剂处理所得的2,2'-偶氮双(2-甲基丙腈)水悬浮液。