ANTIFOAMING AGENTS FOR THE PAPER INDUSTRY, BASED ON OIL IN WATER EMULSIONS
    1.
    发明公开
    ANTIFOAMING AGENTS FOR THE PAPER INDUSTRY, BASED ON OIL IN WATER EMULSIONS 审中-公开
    ENTSCHÄUMUNGSMITTELFÜRDIE PAPIERINDUSTRIE AUF BASIS VONÖL-IN-WASSER-EMULSIONEN

    公开(公告)号:EP3071311A1

    公开(公告)日:2016-09-28

    申请号:EP14864951.0

    申请日:2014-11-17

    Applicant: BASF SE

    Abstract: The present invention which provides antifoaming agents for the paper industry, based on oil-in-water emulsions, in which the oil phase accounts for from 5 to 50% by weight of the emulsion if the oil phase of the emulsions contains (a) an alcohol of not less than 12 carbon atoms, fatty esters of alcohols of not less than 22 carbon atoms and C1-C36-carboxylic acids, distillation residues which are obtainable in the preparation of alcohols having a relatively large number of carbon atoms by the oxo synthesis or by the Ziegler method and which may furthermore be alkoxylated, a mixture of the stated compounds and (b) optionally a fatty ester of a C12-C22-carboxylic acid with a monohydric to trihydric C1-C18-alcohol and, (c) optionally a hydrocarbon having a boiling point above 200° C. or a fatty acid of 12 to 22 carbon atoms, in combination with from 1 to 80% by weight of component (d) comprising (d1) polyglyceryl esters which are obtainable by not less than 20% esterification of a polyglycerol mixture of from 0 to 10% by weight of monoglycerol, from 15 to 40% by weight of diglycerol, from 30 to 55% by weight of triglycerol, from 10 to 25% by weight of tetraglycerol, from 0 to 15% by weight of pentaglycerol, from 0 to 10% by weight of hexaglycerol and from 0 to 5% by weight of polyglycerols having higher degrees of condensation with one or more fatty acids of 12 to 36 carbon atoms; and (d2) C18-C30 alkyl behenate. The antifoaming agents can be used for preventing foam in pulp cooking, in the beating of paper stock, in papermaking and in the dispersing of pigments for papermaking. Further, the anti-foaming agents can be used for preventing foam in paper stocks.

    Abstract translation: 本发明提供了一种基于水包油乳液的造纸工业消泡剂,其中油相占乳液的5至50重量%,如果乳液的油相含有(a) 不小于12个碳原子的醇,不少于22个碳原子的醇的脂肪酯和C 1 -C 36羧酸,可通过羰基合成制备具有相对较多碳原子的醇获得的蒸馏残余物 或通过齐格勒方法进一步被烷氧基化,所述化合物和(b)任选的C 12 -C 22羧酸的脂肪酯与一元至三元C 1 -C 18醇的混合物,和(c)任选地 沸点高于200℃的碳氢化合物或12-22个碳原子的脂肪酸,以及1至80重量%的组分(d)的组合物,其包含(d1)聚甘油酯,其可通过不少于 20%聚乙二醇的酯化 0至10重量%的单甘油,15至40重量%的双甘油,30至55重量%的三甘油,10至25重量%的四甘油,0至15重量%的甘油混合物 的五甘油,0至10重量%的六甘油和0至5重量%的与一种或多种12至36个碳原子的脂肪酸具有较高缩合度的聚甘油; 和(d2)C 18 -C 30烷基山嵛酸酯。 消泡剂可用于防止纸浆蒸煮中的泡沫,纸浆的打浆,造纸中的分散和用于造纸的颜料的分散。 此外,消泡剂可用于防止纸料中的泡沫。

    FEINTEILIGE, STÄRKEHALTIGE POLYMERDISPERSIONEN, VERFAHREN ZU IHRER HERSTELLUNG UND VERWENDUNG ALS LEIMUNGSMITTEL IN DER PAPIERHERSTELLUNG
    2.
    发明公开
    FEINTEILIGE, STÄRKEHALTIGE POLYMERDISPERSIONEN, VERFAHREN ZU IHRER HERSTELLUNG UND VERWENDUNG ALS LEIMUNGSMITTEL IN DER PAPIERHERSTELLUNG 有权
    佳作,强度含聚合物分散体,方法的生产和使用作为纸生产施胶剂

    公开(公告)号:EP2483318A2

    公开(公告)日:2012-08-08

    申请号:EP10759637.1

    申请日:2010-09-28

    Applicant: BASF SE

    Abstract: The invention relates to finely divided starch-containing polymer dispersions, which can be obtained by the radically initiated emulsion polymerization of ethylenically unsaturated monomers in the presence of at least one redox initiator and starch, wherein the ethylenically unsaturated monomers used are (a) 30 to 60% by weight of at least one optionally substituted styrol, (b) 1 to 60% by weight of at least one acrylic acid-C
    1 -C
    12 -alkyl ester and/or methacrylic acid-C
    1 -C
    12 -alkyl ester, (c) 0 to 10% by weight of at least one other ethylenically unsaturated copolymerizable monomer, and the starch used is (d) 15 to 40% by weight of at least one degraded starch having a molar mass M
    w of 1000 to 65000 g/mol, wherein the sum (a) + (b) + (c) + (d) = 100% and relates to the total solid matter content, and wherein the polymerization is carried out in the presence of at least 0.01% by weight, relative to the monomers used, of at least one terpene-containing polymerization regulator. The invention further relates to a method for producing the finely divided starch-containing polymer dispersions by means of the emulsion polymerization of monomers (a), (b) and (c) using redox initiators in the presence of (d) degraded starch and at least 0.01% by weight, relative to the monomers used, of at least one terpene-containing polymerization regulator, and to the use of the finely divided starch-containing polymer dispersions as a sizing agent for paper, paperboard and cardboard.

    FEINTEILIGE, KATIONISCHE, WÄSSRIGE POLYMERDISPERSIONEN, VERFAHREN ZU IHRER HERSTELLUNG UND IHRE VERWENDUNG
    4.
    发明公开
    FEINTEILIGE, KATIONISCHE, WÄSSRIGE POLYMERDISPERSIONEN, VERFAHREN ZU IHRER HERSTELLUNG UND IHRE VERWENDUNG 有权
    FINE PIECE,阳离子聚合物水分散体,用于生产和使用

    公开(公告)号:EP2438097A1

    公开(公告)日:2012-04-11

    申请号:EP10724434.5

    申请日:2010-06-01

    Applicant: BASF SE

    Abstract: The invention relates to fine-particle, cationic, aqueous polymer dispersions, which can be obtained by emulsion polymerization of ethylenically unsaturated monomers in an aqueous solution of a cationic prepolymer as a dispersant, wherein first the cationic prepolymer is produced in a solution polymerization in a solvent partially or completely miscible with water in the presence of polymerization initiators by polymerizing (a) 15 to 40 wt% of a mixture of at least two different (meth)acrylate esters, each having an amino group and/or quaternary ammonium group, and/or (meth)acrylamides, each carrying an amino group and/or quaternary ammonium group, (b) 40 to 85 wt% of at least one optionally substituted styrene, (c) 0.5 to 5 wt% of at least one ethylenically unsaturated monomer containing acid groups, and (d) 0 to 20 wt% of at least one non-ionic, ethylenically unsaturated monomer different from (b), wherein the sum of (a) + (b)+ (c) + (d) = 100 wt%, the solution/dispersion of the prepolymer is then mixed with water, and subsequently in the aqueous solution of the prepolymer an emulsion polymerization of a monomer mixture of (i) 0 to 29 wt% of at least one optionally substituted styrene, (ii) 50 to 100 wt% of at least one C
    1 to C
    18 (methy)acrylate ester, (iii) 0 to 30 wt% of at least one vinyl ester of linear or branched C
    1 -C
    30 carboxylic acids, and (iv) 0 to 30 wt% of at least one non-ionic, ethylenically unsaturated monomer different from (i), (ii), and (iii), wherein the sum of (i) + (ii) + (iii) + (iv) = 100 wt%, is carried out in the presence of polymerization initiators, and the solution polymerization and/or emulsion polymerization is carried out in the presence of 0 to 10 wt% of at least one polymerization regulator.

    FINELY DIVIDED, CATIONIC OR AMPHOTERIC, AQUEOUS POLYMER DISPERSIONS, PROCESS FOR THEIR PREPARATION, THEIR USE, CATIONIC OR AMPHOTERIC PROTECTIVE COLLOIDS AND THEIR PREPARATION
    6.
    发明公开
    FINELY DIVIDED, CATIONIC OR AMPHOTERIC, AQUEOUS POLYMER DISPERSIONS, PROCESS FOR THEIR PREPARATION, THEIR USE, CATIONIC OR AMPHOTERIC PROTECTIVE COLLOIDS AND THEIR PREPARATION 有权
    FINE PIECE,或阳离子AMPHOTERISHE,水性聚合物分散体的方法用于生产和使用或阳离子性胶体两性保护

    公开(公告)号:EP2643360A1

    公开(公告)日:2013-10-02

    申请号:EP11791246.9

    申请日:2011-11-22

    Applicant: BASF SE

    Abstract: A finely divided, cationic or amphoteric, aqueous polymer dispersion which is obtainable by emulsion polymerisation of ethylenically unsaturated monomers in the presence of a cationic or amphoteric protective colloid, wherein first the cationic or amphoteric protective colloid is prepared by polymerising a monomer blend in the presence of at least one first polymerisation initiator in an organic solvent, and is carried out in a pressurised reactor at a pressure of at least 1720 kPa and at a temperature of at least 150°C, which monomer blend comprises at least one ethylenically unsaturated monomer carrying an amine group,, to provide a resin, then combining the resin, with an acid and water, to form the cationic or amphoteric protective colloid, thereafter carrying out an emulsion polymerisation by introducing a monomer mixture into an aqueous medium containing said cationic or amphoteric protective colloid and at least one second polymerisation initiator, wherein said monomer mixture comprises at least one ethylenically unsaturated water insoluble monomer. The composition is useful as a sizing agent for paper.

    Abstract translation: 细碎的,阳离子的或两性的,wässrigepolymerdispersion所有这些是可获得的由烯属不饱和单体的乳液聚合中的阳离子性或两性的保护胶体的存在下,worin第一阳离子或两性的保护胶体是通过在存在下聚合的单体混合物制备的 在溶剂中以有机的至少一个第一聚合引发剂,并在加压反应器中在至少1720千帕的压力和在至少150℃的温度,其包含单体混合物的至少一种烯属不饱和单体开展 承载上胺基,提供一种树脂,然后在酸和水相结合的树脂,具有以形成阳离子性或两性的保护胶体,通过在wässrige介质引入的单体混合物入含有所述阳离子的或两性在乳液聚合之后进行 保护性胶体和至少一个第二聚合引发剂,worin所述单体混合物 包含至少一种烯属不饱和的水不溶性的单体。 该组合物是作为上浆剂对纸是有用的。

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