Modified, fine-particle, water-insoluble aziridine polymer and use
therefore for removing heavy metals from aqueous solution
    2.
    发明授权
    Modified, fine-particle, water-insoluble aziridine polymer and use therefore for removing heavy metals from aqueous solution 失效
    改性,细颗粒,水不溶性的氮丙啶聚合物及其用于从水溶液中除去重金属的用途

    公开(公告)号:US6063286A

    公开(公告)日:2000-05-16

    申请号:US147170

    申请日:1998-10-22

    摘要: Process for preparing fine-particle, water-insoluble polymers of aziridines by polymerizing aziridines, preferably ethylenimine, in the presence of crosslinkers which contain at least two functional groups, and in at least one ether, and also modified, water-insoluble polymers of aziridines which can be obtained by reacting fine-particle, water-insoluble, crosslinked polymers of aziridines, in aqueous medium, with carbon disulfide or formaldehyde and a nucleophilic agent from the group consisting of alkali metal cyanides, primary amines, secondary amines, alkali metal sulfites and alkali metal phosphites, and use of the modified and non-modified fine-particle, water-insoluble polymers for immobilizing active compounds, as absorbents for aldehydes, ketones and acids, and also for removing heavy metal ions from wastewaters.

    摘要翻译: PCT No.PCT / EP97 / 02062 Sec。 371日期:1998年10月22日 102(e)日期1998年10月22日PCT 1997年4月23日PCT公布。 WO97 / 40088 PCT公开 日期1997年10月30日通过在含有至少两个官能团的交联剂和至少一种醚以及改性的水的存在下聚合氮丙啶,优选乙烯亚胺来制备氮丙啶的微粒,水不溶性聚合物的方法 不溶性的氮丙啶聚合物,其可以通过将水性介质中的微粒,水不溶性,交联的丙烯腈交联聚合物与二硫化碳或甲醛反应而获得,并且亲核试剂由碱金属氰化物,伯胺,仲 胺,碱金属亚硫酸盐和碱金属亚磷酸盐,以及用于固定活性化合物的改性和未改性的微粒,水不溶性聚合物作为醛,酮和酸的吸收剂,以及用于从废水中除去重金属离子 。

    Use of aminoisothiazoles as microbicides
    5.
    发明授权
    Use of aminoisothiazoles as microbicides 失效
    使用氨基异噻唑作为杀菌剂

    公开(公告)号:US6069161A

    公开(公告)日:2000-05-30

    申请号:US331067

    申请日:1999-06-16

    IPC分类号: A01N43/80 A01N43/36

    CPC分类号: A01N43/80

    摘要: Aminoisothiazoles of the formula I, whereR is hydrogen or C.sub.1 -C.sub.4 alkyl andX is halogen, NO.sub.2, CN or SCN, and metal complexes and acid addition salts thereofare used as microbicides for protecting industrial materials from being attacked and destroyed by microorganisms.

    摘要翻译: PCT No.PCT / EP97 / 06854 Sec。 371日期1999年6月16日第 102(e)日期1999年6月16日PCT 1997年12月9日PCT公布。 第WO98 / 27816号公报 日期:1998年7月2日公式I的稀疏异噻唑,其中R为氢或C 1 -C 4烷基,X为卤素,NO 2,CN或SCN,金属络合物及其酸加成盐用作防治工业材料的杀菌剂 并被微生物破坏。

    Modified melamine-formaldehyde resins
    6.
    发明授权
    Modified melamine-formaldehyde resins 失效
    改性三聚氰胺 - 甲醛树脂

    公开(公告)号:US5939515A

    公开(公告)日:1999-08-17

    申请号:US390

    申请日:1998-01-29

    CPC分类号: C08G14/10 C07D251/18

    摘要: Condensation of products obtained by condensation of a mixture comprising(A) from 90 to 99.9 mol % of a mixture consisting essentially of(a) from 30 to 100 mol % of melamine and(b) from 0 to 70 mol % of a substituted melamine of the formula I ##STR1## where X, X' and X" are as defined in the specification, or mixtures of melamines I, and(c) from 1 to 70 mol %, based on (a)+(b), of a substituted triazine of the formula II ##STR2## where R", Z' and Z" are as defined in the specification, or mixtures of triazines II, and(B) from 0.1 to 10 mol %, based on (A) (a), (A) (b) and (B), of phenols which are unsubstituted or are substituted by radicals selected from the group consisting of C.sub.1 -C.sub.9 -alkyl and hydroxyl, C.sub.1 -C.sub.4 -alkanes substituted by two or three phenol groups, di(hydroxyphenyl)sulfones or mixtures of these phenols,withformaldehyde or formaldehyde-supplying compounds in a molar ratio of melamine, substituted melamine I and triazine II to formaldehyde within the range from 1:1.15 to 1:4.5, are useful for making molded articles.

    摘要翻译: PCT No.PCT / EP96 / 03352 Sec。 371日期1998年1月29日 102(e)1998年1月29日PCT PCT 1996年7月30日PCT公布。 公开号WO97 / 07149 日期1997年2月27日缩短由(A)90-99摩尔%的(A)30〜100摩尔%的三聚氰胺和(b)0〜70摩尔组成的混合物 基于(a)+(b)的式I的取代三聚氰胺的%,其中X,X'和X“如本说明书中所定义,或三聚氰胺I和(c)1至70摩尔%的混合物 ),其中R“,Z'和Z”如说明书中所定义的取代的三嗪或三嗪II和(B)的混合物为0.1-10mol%,基于(A) (a),(A)(b)和(B))未被取代或被选自C 1 -C 9 - 烷基和羟基的基团取代的酚,(C) 基团,二(羟基苯基)砜或这些酚的混合物与甲醛或甲醛供应化合物以三聚氰胺,取代的三聚氰胺I和三嗪II的摩尔比与1:1的甲醛反应。 15至1:4.5,可用于制造模塑制品。

    Preparation of low-solvent alkyl diketenes
    7.
    发明授权
    Preparation of low-solvent alkyl diketenes 失效
    低溶剂烷基双烯酮的制备

    公开(公告)号:US5672721A

    公开(公告)日:1997-09-30

    申请号:US638225

    申请日:1996-04-26

    摘要: A process for the preparation of low-solvent alkyl diketenes of the general formula: ##STR1## in which R.sup.1 denotes C.sub.10 -C.sub.30 alkyl or C.sub.10 -C.sub.30 alkenyl and R.sup.2 denotes hydrogen or C.sub.1 -C.sub.8 alkyl, by causing carboxylic chlorides of the formula II ##STR2## in which R.sup.1 and R.sup.2 have the aforementioned meanings, to react with tertiary amines of the formula III ##STR3## in which R.sup.3, R.sup.4, R.sup.5 denote C.sub.1 -C.sub.12 alkyl or C.sub.3 -C.sub.12 cycloalkyl and R.sup.3 and R.sup.4 together denote a C.sub.2 -C.sub.11 alkylene dichain optionally interrupted by oxygen or nitrogen, in a substantially water-immiscible, inert solvent, wherein distillation is carried out at temperatures ranging from 80.degree. to 130.degree. C. and pressures ranging from 10 to 500 mbar and subsequently with the addition of water or steam.

    摘要翻译: 制备通式如下的低溶剂烷基双烯酮的方法:其中R 1表示C 10 -C 30烷基或C 10 -C 30烯基,R 2表示氢或C 1 -C 8烷基,通过使羧酸氯化物 其中R 1和R 2具有上述含义的式II(II)与式III的叔胺反应,其中R 3,R 4,R 5表示C 1 -C 12烷基或C 3 -C 12 环烷基,R3和R4一起表示在基本上与水不混溶的惰性溶剂中任选地被氧或氮中断的C 2 -C 11亚烷基双键,其中蒸馏在80-130℃的温度下进行, 10至500毫巴,随后加入水或蒸汽。

    Condensates of polyalkylenepolyamines, their preparation and their use
in papermaking
    8.
    发明授权
    Condensates of polyalkylenepolyamines, their preparation and their use in papermaking 失效
    聚亚烷基多胺的缩合物,它们的制备及其在造纸中的应用

    公开(公告)号:US5536370A

    公开(公告)日:1996-07-16

    申请号:US424520

    申请日:1995-05-26

    摘要: Condensates of polyalkylenepolyamines which are obtainable by(a) partial amidation of polyalkylenepolyamines and(b) condensation of the partially amidated polyalkylenepolyamines with bifunctional or polyfunctional crosslinking agentsto give crosslinked polyalkylenepolyamines which, in 20% strength aqueous solution at 20.degree. C., have a viscosity of at least 100 mPa.s, processes for the preparation of the condensates of polyalkylenepolyamines by partial amidation of polyalkylenepolyamines with carboxylic acids, carboxylic esters, carboxylic anhydrides or carbonyl halides and crosslinking of the partially amidated polyalkylenepolyamines with bifunctional or polyfunctional crosslinking agents, from 0.001 to 10 parts by weight of a crosslinking agent being used per part by weight of the partially amidated polyalkylenepolyamines, and the use of the resulting condensates as drainage aids, flocculants, retention aids and fixing agents in papermaking.

    摘要翻译: PCT No.PCT / EP93 / 03205 Sec。 371日期:1995年5月26日 102(e)日期1995年5月26日PCT提交1993年11月16日PCT公布。 公开号WO94 / 12560 PCT 日本1994年6月9日。聚亚烷基多胺的缩聚物可通过(a)聚亚烷基多胺的部分酰胺化得到并且(b)部分酰胺化的聚亚烷基多胺与双功能或多官能交联剂的缩合得到交联的聚亚烷基多胺,其在20%强度水溶液中 20℃,具有至少100mPa.s的粘度,通过聚羧酸,羧酸酯,羧酸酐或羰基卤的部分酰胺化制备聚亚烷基多胺的缩合物的方法,部分酰化的聚亚烷基多胺的交联与 双官能或多官能交联剂,每重量份部分酰胺化的聚亚烷基多胺使用0.001至10重量份的交联剂,以及所得缩合物作为造纸中的助滤剂,絮凝剂,助留剂和固定剂的用途。

    Preparation of carbonyl chlorides
    9.
    发明授权
    Preparation of carbonyl chlorides 失效
    碳氟化合物的制备

    公开(公告)号:US5245063A

    公开(公告)日:1993-09-14

    申请号:US757388

    申请日:1991-09-10

    IPC分类号: C07C51/60

    CPC分类号: C07C51/60

    摘要: A process for preparing carbonyl chlorides of the formula I ##STR1## where R is C.sub.1 -C.sub.30 -alkyl, C.sub.2 -C.sub.30 -alkenyl or C.sub.2 -C.sub.30 -alkynyl, from essentially equimolar amounts of a carboxylic acid of the formula II ##STR2## where R has the abovementioned meanings, and phosgene COCl.sub.2 (III), in the presence of a catalytic adduct of phosgene and N,N-disubstituted formamide or the hydrochlorides thereof, of the formula IV where R.sup.1 and R.sup.2 are each, independently of one another, C.sub.1 -C.sub.3 -alkyl or together are a C.sub.4 -C.sub.5 -alkylene chain which may be interrupted by oxygen or by nitrogen which carries C.sub.1 -C.sub.3 -alkyl or CHO, and n is 0, 1 or 2, wherein the reaction is carried out with a stationary phase of the catalytic adduct, is described.

    摘要翻译: 制备式I的羰基氯的方法(I)其中R是C 1 -C 30 - 烷基,C 2 -C 30 - 烯基或C 2 -C 30 - 炔基,基本上等摩尔量的式II的羧酸 (IV)的光气和N,N-二取代的甲酰胺或其盐酸盐的催化加合物存在下,其中R具有上述含义的光学(II)和光气COCl 2(III) 其中R 1和R 2各自独立地为C 1 -C 3 - 烷基或一起为可被氧或携带C 1 -C 3烷基或CHO的氮中断的C 4 -C 5 - 亚烷基链,并且n为0 ,1或2,其中所述反应用催化加合物的固定相进行。