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 。

    Process for continuous preparation of homopolymers of ethyleneimine
    3.
    发明授权
    Process for continuous preparation of homopolymers of ethyleneimine 失效
    连续制备乙烯亚胺均聚物的方法

    公开(公告)号:US5977293A

    公开(公告)日:1999-11-02

    申请号:US077877

    申请日:1998-06-08

    IPC分类号: C08G73/02 C08G73/04

    CPC分类号: C08G73/0206 C08G73/0213

    摘要: A process for the continuous preparation of homopolymers of ethyleneimine by polymerization of ethyleneimine in a solvent in the presence of catalysts at temperatures of at least 80.degree. C., in homogeneous liquid phase in a tubular reactor in which the ratio of length to internal diameter is at least 5:1. There are obtained polyethyleneimines having a content of secondary nitrogen atoms of more than 40 to 60% and molecular weight distribution M.sub.w /M.sub.n of from 1.5:1 to 3:1.

    摘要翻译: 一种通过乙烯亚胺在溶剂中在催化剂存在下,在至少80℃的温度,在管式反应器中的均相液相中聚合乙烯亚胺的方法,其中长度与内径之比为 至少5:1。 得到二级氮原子含量大于40〜60%,分子量分布Mw / Mn为1.5:1〜3:1的聚乙烯亚胺。

    Aqueous alkyldiketene dispersions and their use as size for paper
    4.
    发明授权
    Aqueous alkyldiketene dispersions and their use as size for paper 失效
    水性烷基染料分散体及其作为纸张尺寸的用途

    公开(公告)号:US5942588A

    公开(公告)日:1999-08-24

    申请号:US894365

    申请日:1997-08-19

    CPC分类号: D21H21/16 D21H17/17

    摘要: Aqueous alkyldiketene dispersions which contain a C.sub.14 -C.sub.22 -alkyldiketene and from 1 to 10% by weight of a polymeric protective colloid contain, as the protective colloid(a) copolymers of(1) N-vinylpyrrolidone and(2) at least one quaternized N-vinylimidazole or a substituted quaternized N-vinylimidazoleas polymerized units in a molar ratio of from 80:20 to 5:95 and have a K value of at least 20 (according to H. Fikentscher in 0.5 M aqueous sodium chloride solution at a polymer concentration of 0.1% by weight and at 25.degree. C.) or(b) condensates which are obtainable by(1) partial amidation of polyethyleneimines with monocarboxylic acids and, if required(2) condensation of the partially amidated polyethyleneimines with at least bifunctional crosslinking agents which have a halohydrin, glycidyl, aziridine or isocyanate unit or a halogen atom as a functional groupto give crosslinked, amidated polyethyleneimines which have a viscosity of at least 100 mPa.s in 20% strength by weight aqueous solution at 20.degree. C.,or mixtures of (a) and (b) and are used as engine size in the production of paper, board and cardboard and for rendering cellulosic fibers water-repellent.

    摘要翻译: PCT No.PCT / EP96 / 00500 Sec。 371日期1997年8月19日 102(e)日期1997年8月19日PCT提交1996年2月7日PCT公布。 公开号WO96 / 26318 PCT 日期:1997年8月29日含有C14-C22-烷基染料和1〜10重量%的聚合物保护胶体的水性烷基异丁烯酮分散液含有(1)N-乙烯基吡咯烷酮和(2)的共聚物的保护胶体(a) 至少一种季铵化的N-乙烯基咪唑或取代的季铵化N-乙烯基咪唑作为摩尔比为80:20至5:95的聚合单元,K值至少为20(根据H.Fikentscher在0.5M的钠水溶液 氯化物溶液,聚合物浓度为0.1重量%,在25℃)或(b)缩合物,其可通过以下方式获得:(1)聚乙烯亚胺与单羧酸的部分酰胺化,如果需要(2)部分酰胺化的聚乙烯亚胺 至少具有卤代醇,缩水甘油基,氮丙啶或异氰酸酯单元或卤素原子作为官能团的双官能交联剂,得到交联的酰胺化聚乙烯亚胺,其在20%链中具有至少100mPa.s的粘度 20重量%的水溶液或(a)和(b)的混合物,并用作纸,纸板和纸板的生产中的发动机尺寸,并用于使纤维素纤维疏水。

    Preparation of hydroxyoxaalkylmelamines
    5.
    发明授权
    Preparation of hydroxyoxaalkylmelamines 失效
    羟基烷基三聚氰胺的制备

    公开(公告)号:US5637704A

    公开(公告)日:1997-06-10

    申请号:US645046

    申请日:1996-05-13

    CPC分类号: C07D251/70 B01J27/16

    摘要: A process for the preparation hydroxyoxaalkylmelamines of the general formula I ##STR1## in which R.sup.1 denotes a residue of the general formula II ##STR2## in which the radicals R' can be the same or different and stand for hydrogen or C.sub.1 -C.sub.4 alkyl and n denotes 2 or 3 and the radicals R.sup.2 and R.sup.3 stand for one of the radicals R.sup.1 or hydrogen, by the reaction of melamine with a compound of the general formula III ##STR3## in which R' and n have the meanings stated above, at a temperature of from 120.degree. to 250.degree. C. and in the presence of an acid catalyst, in which the acid catalyst is used in a concentration of from 0.01 to 0.15 mol and preferably from 0.02 to 0.12 mol and more preferably from 0.03 to 0.1 mol, based on 1 mol of melamine.

    摘要翻译: 制备通式I(I)的羟基恶唑烷基三聚氰胺的方法,其中R 1表示通式II的残基(II),其中基团R'可以相同或不同,代表氢 或C 1 -C 4烷基和+ E,未取代的n + EE表示2或3,并且基团R 2和R 3表示基团R 1或氢中的一个,通过三聚氰胺与通式III的化合物反应 III)其中R'和+ E,uns n + EE具有上述含义,温度为120-250℃,在酸催化剂存在下,其中酸催化剂用于 相对于1摩尔三聚氰胺,浓度为0.01〜0.15摩尔,优选为0.02〜0.12摩尔,更优选为0.03〜0.1摩尔。

    Use of aminoisothiazoles as microbicides
    8.
    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
    9.
    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
    10.
    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。