Method for producing stable aqueous polymer dispersions based on conjugated alphatic dienes and vinyl aromatic compounds
    1.
    发明申请
    Method for producing stable aqueous polymer dispersions based on conjugated alphatic dienes and vinyl aromatic compounds 审中-公开
    基于共轭二烯和乙烯基芳族化合物制备稳定的聚合物水分散体的方法

    公开(公告)号:US20060148981A1

    公开(公告)日:2006-07-06

    申请号:US10541206

    申请日:2003-12-24

    IPC分类号: C08F2/26

    摘要: The present invention provides a process for preparing a stable aqueous copolymer dispersion by free-radically initiated aqueous emulsion polymerization of a) from 19.9 to 80 parts by weight of conjugated aliphatic dienes [monomers a)], b) from 19.9 to 80 parts by weight of vinylaromatic compounds [monomers b)], c) from 0.1 to 10 parts by weight of ethylenically unsaturated carboxylic acids and/or dicarboxylic acids [monomers c)], d) from 0 to 20 parts by weight of ethylenically unsaturated carbonitriles [monomers d)], and e) from 0 to 20 parts by weight of copolymerizable compounds other than monomers b) [monomers e)], the total amount of ethylenically unsaturated monomers a) to e) being 100 parts by weight, in the presence of water and from 0.1 to 5 parts by weight, based on the total monomer amount, of emulsifiers comprising f) sulfuric monoesters of ethoxylated fatty acid alcohols and/or g) salts of esters and monoesters of alkylpolyoxyethylenesulfosuccinates, from 15 to 85% by weight of the total emulsifiers used being added within the time taken to reach up to 40% of the total conversion of the monomers a) to e), and from 1 to 50% of the carboxylic acid groups deriving from the monomers c) being neutralized by addition of base.

    摘要翻译: 本发明提供了一种通过自由基引发的水乳液聚合制备稳定的含水共聚物分散体的方法,a)从19.9至80重量份的共轭脂族二烯[单体a]],b)19.9至80重量份 的乙烯基芳族化合物[单体b)],c)0.1至10重量份的烯属不饱和羧酸和/或二羧酸[单体c]],d)0至20重量份的烯键式不饱和碳原子[单体d )]和e)0〜20重量份的可与单体不同的共聚合物b)[单体e]],烯属不饱和单体a)至e)的总量为100重量份,在水存在下 和基于总单体量的0.1至5重量份的乳化剂,其包含f)乙氧基化脂肪酸醇的硫酸单酯和/或g)烷基聚氧乙基磺基琥珀酸酯和单酯的盐,其为15至85重量% 使用的总乳化剂的总量在所需时间内加入达到单体a)至e)的总转化率的40%,以及1至50%来源于单体的羧酸基团c)被中和 通过添加基础。

    Polymer-Pigment Hybrids For Use in Papermaking
    4.
    发明申请
    Polymer-Pigment Hybrids For Use in Papermaking 有权
    用于造纸的聚合物 - 颜料混合物

    公开(公告)号:US20080210394A1

    公开(公告)日:2008-09-04

    申请号:US11915682

    申请日:2006-05-24

    IPC分类号: D21H17/63

    摘要: Process for the production of filler-containing papers and filler-containing paper products by addition of an aqueous suspension of at least one finely divided polymer-pigment hybrid to a paper stock and drainage of the paper stock with sheet formation, the polymer-pigment hybrid being obtainable by milling an aqueous suspension of at least one inorganic pigment in the presence of at least one binder and, if appropriate, by drying the aqueous suspension thus obtainable and redispersing the dried polymer-pigment hybrid in water, and the use of the polymer-pigment hybrids thus obtainable as a filler for the production of filler-containing paper or filler-containing paper products.

    摘要翻译: 通过将至少一种细分散的聚合物 - 颜料混合物的水性悬浮液加入到纸料中并通过片材形成纸浆的排出来生产含填料的纸和含填料的纸产品的方法,聚合物 - 颜料混合物 可通过在至少一种粘合剂的存在下研磨至少一种无机颜料的水性悬浮液,并且如果合适的话,通过干燥由此获得的水性悬浮液并将干燥的聚合物 - 颜料杂化物再分散在水中,以及使用聚合物 因此可以将其作为用于生产含填料的纸或含有填料的纸制品的填料获得。

    Method for producing aqueous polymer dispersions
    5.
    发明申请
    Method for producing aqueous polymer dispersions 有权
    生产聚合物水分散体的方法

    公开(公告)号:US20070060702A1

    公开(公告)日:2007-03-15

    申请号:US10566248

    申请日:2004-07-08

    IPC分类号: C08G18/63

    CPC分类号: C08F2/22

    摘要: An aqueous polymer dispersion is prepared by free radical aqueous emulsion polymerization of at least one ethylenically unsaturated compound (monomer) in the presence of at least one dispersant and at least one water-soluble and one oil-soluble free radical initiator by a process in which the polymerization temperature increases from the starting reaction temperature TS to the end reaction temperature TE in the course of the polymerization reaction.

    摘要翻译: 在至少一种分散剂和至少一种水溶性和一种油溶性自由基引发剂的存在下,通过至少一种烯键式不饱和化合物(单体)的自由基水性乳液聚合制备聚合物水分散体,其中 在聚合反应过程中,聚合温度从起始反应温度T S S增加到最终反应温度T E E。

    Aqueous polymer dispersions, based on copolymers of vinyl aromatics and butadiene, method for their production and their use as sizing agents for paper
    7.
    发明申请
    Aqueous polymer dispersions, based on copolymers of vinyl aromatics and butadiene, method for their production and their use as sizing agents for paper 失效
    基于乙烯基芳族化合物和丁二烯的共聚物的水性聚合物分散体,它们的生产方法和它们用作纸的上浆剂

    公开(公告)号:US20050176878A1

    公开(公告)日:2005-08-11

    申请号:US10510279

    申请日:2003-04-15

    摘要: Aqueous polymer dispersions which are obtainable by free radical copolymerization of (a) from 0.1 to 99.9% by weight of styrene and/or methylstyrene, (b) 0.1-99.9% by weight of 1,3-butadiene and/or isoprene and (c) from 0 to 40% by weight of other ethylenically unsaturated copolymerizable monomers, the sum of the monomers (a), (b) and (c) always being 100, in the presence of from 10 to 40% by weight, based on the monomers used, of at least one degraded starch having a molecular weight Mn of from 500 to 40 000 and of water-soluble redox catalysts are prepared by free radical copolymerization of the monomers (a), (b) and, if required, (c) in an aqueous medium in the presence of a degraded starch having a molecular weight Mn of from 500 to 10 000 and redox initiators and are used as engine sizes and surface sizes for paper.

    摘要翻译: (a)0.1-99.9%(重量)的苯乙烯和/或甲基苯乙烯,(b)0.1-99.9%(重量)的1,3-丁二烯和/或异戊二烯的自由基共聚得到的聚合物水分散体和(c )0至40重量%的其它烯键式不饱和可共聚单体,单体(a),(b)和(c)之和总计为100,在10至40重量%的存在下,基于 使用单体的至少一种具有分子量Mn为500至40,000的降解淀粉和水溶性氧化还原催化剂,通过单体(a),(b)和(如果需要)(c)的自由基共聚制备 )在水性介质中,在分子量Mn为500至10000的降解淀粉和氧化还原引发剂存在下,用作纸的发动机尺寸和表面尺寸。