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    • 23. 发明申请
    • Method for the production of 2,2'-dihydroxybiphenyls
    • 2,2'-二羟基联苯的制备方法
    • US20070129578A1
    • 2007-06-07
    • US10576694
    • 2004-10-21
    • Ralf WidmaierBettina MullerMarianna Pierobon
    • Ralf WidmaierBettina MullerMarianna Pierobon
    • C07C39/12
    • C07C37/11C07C39/15
    • A process for the preparation of a 2,2′-dihydroxybiphenyl by oxidative coupling of two phenyl molecules which have a hydrogen atom in an o-position by means of a peroxide in the presence of water at from 0 to 100° C., wherein the preparation is carried out in the presence of a water-insoluble polymer comprising a) from 0 to less than 100% by weight of a vinyl heterocycle b) from 0 to 10% by weight of a difunctional crosslinking component c) from 0 to less than 100% by weight of styrene or of a monounsaturated styrene derivative or a mixture thereof d) from 0 to 100% by weight of a N-vinylamide of an aliphatic carboxylic acid, or the monomers obtained by hydrolysis of said amido group e) from 0 to 100% by weight of a vinylcarboxylic acid or the esters, amides or salts thereof, or the monomers obtained by hydrolysis of said amido group or ester group, with the proviso that the content of compound d) or e), or d) and e), is more than 0% by weight.
    • 通过在0〜100℃的水存在下,借助于过氧化物,在两个位置上具有氢原子的两个苯基分子的氧化偶合来制备2,2'-二羟基联苯的方法,其中 该制备在水不溶性聚合物的存在下进行,该水不溶性聚合物包含a)0至小于100重量%的乙烯基杂环b)0至10重量%的双官能交联组分c)0至少 100重量%的苯乙烯或单不饱和的苯乙烯衍生物或其混合物; d)0-100重量%的脂族羧酸的N-乙烯基酰胺,或通过所述酰氨基的水解获得的单体e) 0至100重量%的乙烯基羧酸或其酯,酰胺或盐,或通过水解所述酰胺基或酯基获得的单体,条件是化合物d)或e)的含量,或d) 和e)大于0重量%。
    • 26. 发明申请
    • Use of copolymers containing n-vinyl lactam for producing functionalized membranes
    • US20070056900A1
    • 2007-03-15
    • US10571937
    • 2004-09-14
    • Klemens MathauerTanja SchneiderRalf WidmaierAndre KammCarl-Martin Bell
    • Klemens MathauerTanja SchneiderRalf WidmaierAndre KammCarl-Martin Bell
    • B01D71/40C08F8/30
    • B01D71/44B01D71/76C08F226/02C08F226/06
    • The use of copolymers containing a) from 60% to 99% by weight of at least one vinyllactam or N-vinylamine selected from the group consisting of N-vinylpyrrolidone, N-vinylpiperidone, N-vinylcaprolactam or N-vinylformamide, and b) from 1% to 40% by weight of at least one monomer of the general formula where b1) R1, R2, R3 each denote oxygen, C1-C4-alkyl, C6-aryl, C7-C10-alkylaryl and R4 denotes the general formula II X denotes oxygen, NH, NR (where R=R1) R5 denotes C1-C6-alkyl, phenyl, A denotes OH, NH2, NR2 (wheret R2=R1) R6, R7 R8 each denote hydrogen, C1-C4-alkyl n denotes an integer between 1 and 4 B, F each denote C, N D denotes C1-C4-alkyl, O, NH p denotes an integer between 0 and 15 E denotes N, O l, m each denote 0 or 1 R9, R10, R11 each denote hydrogen, C1-C4-alkyl, C6-C10-aryl, C7-C10-alkylaryl and s, q each denote an integer between 0 and 2. For E=nitrogen the s+q sum is equal to 1 or 2. For E=oxygen the s+q sum is equal to zero. For E=nitrogen and s+q=2 the counterions needed for charge neutrality are selected from elements of groups 1, 2 or 13 with the proviso that there is one element of group 1 per R4 radical when a group 1 element is selected, one element of group 2 per two R4 radicals when a group 2 element is selected and one element of group 13 per three R4 radicals when a group 13 element is selected. b2) R1, R2, R3 each denote hydrogen, C1-C4-alkyl, C6-aryl, C7-C10-alkylaryl or a radical of the general formula III R4 denotes a radical of the general formula III R6, R7 each denote hydrogen, C1-C4-alkyl, C6-aryl, C7-C10-alkylaryl X denotes O, NH, NR (where R=R6) R5 denotes C1-C10-alkyl, C6-C10-aryl, C7-C14-alkylaryl n denotes an integer between 0 and 15 Y denotes O, N R6, R7 each denote hydrogen, C1-C4-alkyl, C6-aryl, C7-C10-alkylaryl p, q each denote an integer between 0 and 2 with the proviso that at least one of R1, R2, R3 and R4 but not more than two denote the general formula III. b3) R1, R2, R3 each denote hydrogen, C1-C4-alkyl, C6-aryl, C7-C10-alkylaryl R4 denotes a radical of the general formula IV R5 denotes C1-C8-alkyl n denotes an integer between 0 and 4 m, l each denote 0 or 1 R6 denotes C1-C4-alkyl R7 denotes hydrogen, C1-C4-alkyl and X N(R1)(R2) or halogen. b4) R1, R2, R3 each denote hydrogen, C1-C4-alkyl, C6-aryl, C7-C10-alkylaryl R4 denotes a radical of the general formula V X, Y each denote O, N, S R5, R6 each denote C1-C4-alkyl, C1-C4-alkenyl l, m each denote an integer between 0 and 4 n denotes an integer between 0 and 2 R7 denotes hydrogen, C1-C4-alkyl Z denotes sulfate, hydrogensulfate, chloride, bromide, iodide, phosphate, hydrogenphosphate, dihydrogenphosphate p denotes 0, ⅓, ½, 1 and q denotes an integer between 0 and 3. b5) R1, R2, R3 each denote hydrogen, C1-C4-alkyl, C6-aryl, C7-C10-alkylaryl, or a radical of the general formula VI R4 denotes a radical of the general formula VI R5, R7, R8, R11 each denote C1-C6-alkyl, C6-aryl, C7-C10-alkylaryl R6, R12 each denote hydrogen, C1-C4-alkyl, C6-aryl R9, R10 each denote hydrogen, C1-C4-alkyl, C6-aryl, C7-C10-alkylaryl X denotes O E, F, Y, D each denote O, N, S M denotes an element of group 1, 2 or 13 of the periodic table a, k, l, s each denote 0 or 1 m, n, r, w each denote an integer between 0 and 10 o denotes an integer between 0 and 3 p denotes an integer between 0 and 20 q, t, u, v, z each denote an integer between 0 and 2 x denotes 0, ⅓, ½, 1 and y an integer between 1 and 3 with the proviso that at least one of R1, R2, R3 and R4 but not more than 2 denote the general formula VI, in conjunction with c) optionally one or more hydrophilic polymers C or mixtures thereof d) and optionally also further polymers D and mixtures thereof for producing membranes.