Process for the manufacture of phenol-isobutyraldehyde condensation
products
    12.
    发明授权
    Process for the manufacture of phenol-isobutyraldehyde condensation products 失效
    苯酚 - 异丁醛缩合产物的制备方法

    公开(公告)号:US4395535A

    公开(公告)日:1983-07-26

    申请号:US308981

    申请日:1981-10-06

    IPC分类号: C08G8/04

    CPC分类号: C08G8/04

    摘要: A process for the manufacture of condensation products of phenols and isobutyraldehyde by reacting the phenols and isobutyraldehyde at elevated temperature in a mole ratio of 0.5:1 to 1.5:1 in the presence of acid or compounds hydrolyzable to acids as catalysts, subsequent neutralization and removal of the resultant reaction water by distillation wherein the reaction products obtained in this manner are also subjected to a water-vapor distillation.

    摘要翻译: 在酸或作为催化剂可酸化的化合物的存在下,以0.5:1至1.5:1的摩尔比在高温下使苯酚和异丁醛反应来制备苯酚和异丁醛的缩合产物的方法,随后的中和和去除 通过蒸馏得到的反应水,其中以这种方式获得的反应产物也进行水蒸气蒸馏。

    Aqueous alkyldiketene dispersions and their use as size for paper
    13.
    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:US6001166A

    公开(公告)日:1999-12-14

    申请号:US68025

    申请日:1998-05-04

    摘要: Aqueous alkyldiketene dispersions comprising an alkyldiketene, cationic starch having an amylopectic content of at least 95% by weight and as anionic dispersants(a) from 0.05 to 1.0% by weight of ligninsulfonic acid, condensates of naphthalenesulfonic acid and formaldehyde, sulfonated polystyrene, salts and mixtures of said polymers and (b) from 0.05 to 1.5% by weight of sulfuric monoesters of alcohols having at least 10 carbon atoms, phosphoric monoesters or diesters of alcohols having at least 10 carbon atoms, sulfuric monoesters of alkoxylated alcohols having at least 10 carbon atoms, phosphoric monoesters or diesters of alkoxylated alcohols having at least 10 carbon atoms, C.sub.12 -C.sub.30 -alkylsulfonic acids, salts and mixtures of said compoundscan be used as body size in the manufacture of paper, paperboard and cardboard and for making cellulose fibers hydrophobic.

    摘要翻译: PCT No.PCT / EP96 / 04638 Sec。 371日期:1998年5月4日 102(e)日期1998年5月4日PCT 1996年10月25日PCT公布。 公开号WO97 / 17491 日期:1997年5月15日包含烷基十六烯酮,具有至少95重量%的支链含量的阳离子淀粉和作为阴离子分散剂(a)0.05-1.0重量%的木质素磺酸,萘磺酸和甲醛的缩合物,磺化的 聚苯乙烯,所述聚合物的盐和混合物和(b)0.05至1.5重量%的具有至少10个碳原子的醇的硫酸单酯,具有至少10个碳原子的醇的磷酸单酯或二酯,烷氧基化醇的硫酸单酯具有 至少10个碳原子,具有至少10个碳原子的烷氧基化醇的磷酸单酯或二酯,C12-C30-烷基磺酸,所述化合物的盐和混合物可用作纸,纸板和纸板的制造中的体积尺寸 使纤维素纤维疏水。

    Aqueous alkyldiketene dispersions and their use as size for paper
    14.
    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。

    Aqueous pigment slurries for production of filler-containing paper
    15.
    发明授权
    Aqueous pigment slurries for production of filler-containing paper 失效
    用于生产含填料的纸的水性颜料浆料

    公开(公告)号:US5744001A

    公开(公告)日:1998-04-28

    申请号:US507231

    申请日:1995-08-23

    摘要: Aqueous pigment slurries which contain up to 80% by weight of a finely divided pigment in dispersed form and from 0.1 to 5% by weight of dispersants which are obtainable by reacting (a) polyalkylenepolyamines, polyamidoamines, polyamidoamines grafted with ethyleneimine, polyetheramines and mixtures of the stated compounds and (b) monoethylenically unsaturated carboxylic acids, salts, esters, amides or nitriles of monoethylenically unsaturated carboxylic acids, chlorocarboxylic acids and/or glycidyl compounds and, if required, (c) bifunctional or polyfunctional crosslinking agents which have a halohydrin, glycidyl, aziridine or isocyanate unit or a halogen atom as a functional group, to give water-soluble condensates which, in 20% strength by weight aqueous solution at 20.degree. C., have a viscosity of at least 100 mPa.s are prepared by milling or dispersing pigments in the presence of the dispersants and water and are used as additives to paper stock in the production of filler-containing paper.

    摘要翻译: PCT No.PCT / EP94 / 00480 Sec。 371日期1995年8月23日 102(e)日期1995年8月23日PCT 1994年2月19日PCT PCT。 公开号WO94 / 20681 日期:1994年9月15日水性颜料浆料含有高达80重量%的分散形式的精细分散颜料和0.1至5重量%的分散剂,其可通过(a)聚亚烷基多胺,聚酰胺胺,接枝乙烯亚胺的聚酰胺胺 ,聚醚胺和所述化合物的混合物和(b)单烯属不饱和羧酸,单烯属不饱和羧酸的盐,酯,酰胺或腈,氯羧酸和/或缩水甘油基化合物,如果需要,(c)双官能或多官能交联剂 其具有卤代醇,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,得到水溶性缩合物,其在20℃的20重量%的重量比水溶液中具有至少100mPa的粘度 通过在分散剂和水的存在下研磨或分散颜料制备,并且用作生产中的纸浆的添加剂 含填料的纸张。

    Preparation of hydroxyoxaalkylmelamines
    17.
    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。