Method for producing synthetic polymerizates with a very low residual monomer content, products produced according to this method and the use thereof
    1.
    发明授权
    Method for producing synthetic polymerizates with a very low residual monomer content, products produced according to this method and the use thereof 有权
    制备具有非常低残留单体含量的合成聚合物的方法,根据该方法生产的产品及其用途

    公开(公告)号:US06660819B2

    公开(公告)日:2003-12-09

    申请号:US10260440

    申请日:2002-10-01

    IPC分类号: C08F200

    CPC分类号: C08F6/001 C08F6/006 C08L33/00

    摘要: The invention relates to a process for producing water-soluble or water-swellable polymer products with low levels of residual monomers using acrylic acid and/or acrylic acid derivatives, which process is characterized by adding a nitrogen compound to the monomer solution to be polymerized and subsequent heating of the polymer product at temperatures of from 120 to 240° C. The polymers produced accordingly are suitable for use as flocculants, dispersants and absorbents.

    摘要翻译: 本发明涉及使用丙烯酸和/或丙烯酸衍生物制备具有低水平残留单体的水溶性或水溶胀性聚合物产物的方法,该方法的特征在于向待聚合的单体溶液中加入氮化合物, 随后在120-240℃的温度下加热聚合物产物。因此生产的聚合物适合用作絮凝剂,分散剂和吸收剂。

    Method for producing synthetic polymerizates with very low residual monomer content
    2.
    发明授权
    Method for producing synthetic polymerizates with very low residual monomer content 有权
    制备具有非常低残留单体含量的合成聚合物的方法

    公开(公告)号:US06552141B1

    公开(公告)日:2003-04-22

    申请号:US09554098

    申请日:2000-06-14

    IPC分类号: C08J400

    CPC分类号: C08F6/001 C08F6/006 C08L33/00

    摘要: The invention relates to a method for producing water-soluble or water-swellable polymerizates with a low residual monomer content from acrylic acid and/or acrylic acid derivatives. The method is characterized by the addition of a nitrogen compound to the monomer solution to be polymerized, an in that the polymerizate is subsequently heated at temperature of 120 to 240° C. The polymerizates produced according to the inventive method are suitable as flocculants, dispersants and absorbers.

    摘要翻译: 本发明涉及一种由丙烯酸和/或丙烯酸衍生物制备具有低残留单体含量的水溶性或水溶胀性聚合物的方法。 该方法的特征在于向待聚合的单体溶液中加入氮化合物,其中聚合物随后在120至240℃的温度下加热。根据本发明方法制备的聚合物适合作为絮凝剂,分散剂 和吸收体。

    Method for producing water-soluble or water-swellable polymerizates with a very low residual monomer content, products produced according to this method and the use thereof
    3.
    发明授权
    Method for producing water-soluble or water-swellable polymerizates with a very low residual monomer content, products produced according to this method and the use thereof 失效
    制备具有非常低残留单体含量的水溶性或水溶胀性聚合物的方法,根据该方法生产的产品及其用途

    公开(公告)号:US07030199B1

    公开(公告)日:2006-04-18

    申请号:US09554090

    申请日:1998-11-13

    IPC分类号: C08F2/00

    CPC分类号: C08F6/001 C08F6/006 C08L33/00

    摘要: The invention relates to a process for producing water-soluble or water-swellable polymer products from acrylic acid and/or acrylic acid derivatives partially or completely neutralized with nitrogen compounds and with exceedingly low levels of residual monomers, which process is characterized by subsequent heating of the polymer product at temperatures of from 120 to 240° C. The polymers produced accordingly are suitable for use as flocculants, dispersants and absorbers.

    摘要翻译: 本发明涉及由用氮化合物部分或完全中和的丙烯酸和/或丙烯酸衍生物制备水溶性或水溶胀性聚合物产物的方法,该方法的特征在于随后加热 聚合物产物的温度为120-240℃。因此生产的聚合物适合用作絮凝剂,分散剂和吸收剂。

    Absorbents for blood and serous body fluids
    6.
    发明授权
    Absorbents for blood and serous body fluids 失效
    血液和浆液体液的吸收剂

    公开(公告)号:US4693713A

    公开(公告)日:1987-09-15

    申请号:US928573

    申请日:1986-11-10

    CPC分类号: A61L15/60 Y10S977/905

    摘要: The invention concerns an absorbent for blood and serous body fluids consisting of at least two components, A and B, whereby component A is a crosslinked synthetic or natural polymer or copolymer, and component B is an organic and/or inorganic compound which is water-soluble and solid at normal temperature. The absorbent contains 25 to 98 weight % of component A and 2 to 75 weight % of component B. The invention, moveover, concerns the use of the said absorbent for absorption and/or retention of blood and serous body fluids, in particular in absorbent throwaway articles for surgical, medical and hygienic purposes.

    摘要翻译: PCT No.PCT / DE82 / 00146 Sec。 371日期1983年3月10日 102(e)1983年3月10日日期PCT提交1982年7月10日PCT公布。 公开号WO83 / 00289 PCT 日本1983年2月3日。本发明涉及由至少两种组分A和B组成的血液和浆液体液的吸收剂,其中组分A是交联的合成或天然聚合物或共聚物,组分B是有机和/ 或在常温下为水溶性和固体的无机化合物。 吸收剂含有25至98重量%的组分A和2至75重量%的组分B.本发明的移动涉及使用所述吸收剂以吸收和/或保留血液和浆液体液,特别是吸收 用于手术,医疗和卫生目的的一次性物品。

    Absorbing agents for water and aqueous liquids and process for their production and use
    8.
    发明授权
    Absorbing agents for water and aqueous liquids and process for their production and use 失效
    用于水和含水液体的吸收剂及其生产和使用过程

    公开(公告)号:US06403700B1

    公开(公告)日:2002-06-11

    申请号:US09532085

    申请日:2000-03-21

    IPC分类号: C08J300

    摘要: The present invention relates to a powdery, cross-linked polymer absorbing water and aqueous liquids formed of polymerized, unsaturated, acid groups-containing monomers that are present as salts neutralized to the extent of at least 50 mol-% and which optionally comprise further monomers which are copolymerizable with the acid groups-containing monomers as well as water-soluble polymers, the polymer being formed of acidic, polymerized monomers partially neutralized to the extent of 5-30 mol-%, relative to the acid groups-containing monomer portion. The polymer has a high retention, high liquid absorption under pressure, high swelling pressure, and a low content of soluble components. The present invention further relates to a process for the production of said polymer and to its use as a component in sanitary articles which absorb body fluids and in wound dressings, in current-conducting and light-transmitting cables, as soil conditioners, as a component in packaging materials and in depot materials for the controlled release of active substances.

    摘要翻译: 本发明涉及一种粉末状交联聚合物,其吸收水和由聚合的,不饱和的含酸基团的单体形成的含水液体,其以中和至少为50摩尔%的程度存在,并且任选地包含另外的单体 其可与含酸基团的单体以及水溶性聚合物共聚,所述聚合物由相对于含酸性基团的单体部分部分中和到5-30mol%程度的酸性聚合单体形成。 该聚合物具有高保留性,在压力下的高液体吸收,高溶胀压力和低含量的可溶性组分。 本发明还涉及生产所述聚合物的方法及其作为卫生制品中用作吸收体液和伤口敷料的导电和透光电缆作为土壤调节剂作为组分的组分的方法 在包装材料和储存材料中控制活性物质的释放。

    Process for softening/stuffing leather and fur skins
    9.
    发明授权
    Process for softening/stuffing leather and fur skins 失效
    软化/填充皮革和皮毛皮的过程

    公开(公告)号:US5575939A

    公开(公告)日:1996-11-19

    申请号:US325184

    申请日:1995-06-09

    CPC分类号: C14C9/00 C08F8/14

    摘要: The invention relates to a process for the fat liquoring/softening of leathers and furs by treatment with an aqueous dispersion of a copolymer obtainable by polymerization of a) maleic anhydride, b) C.sub.12 -C.sub.30 alpha-olefins, esters of (meth)acrylic acid and/or maleic acid with C.sub.12 -C.sub.30 alcohols and c) optionally, further hydrophilic, ethylenically unsaturated monomers which are copolymerizable with a) and b), reaction of the anhydride groups with monovalent alcohols comprising at least one ether functionality, and partial neutralization or hydrolysis of the residual acid or anhydride groups and manufacture of a flowable dispersion having an active substance content of at least 40%-wt.

    摘要翻译: PCT No.PCT / EP93 / 02880第 371日期:1995年6月9日 102(e)1995年6月9日PCT 1993年10月19日PCT公布。 公开号WO94 / 10346 日期:1994年5月11日本发明涉及一种通过用可通过a)马来酸酐聚合获得的共聚物的水分散体处理来对皮革和毛皮进行脂肪液化/软化的方法,b)C 12 -C 30α-烯烃,( 甲基)丙烯酸和/或马来酸与C 12 -C 30醇反应,和c)任选的可与a)和b)共聚的亲水性烯属不饱和单体,酸酐基团与包含至少一个醚官能团的一价醇的反应, 并且残留的酸或酸酐基团的部分中和或水解,并制备活性物质含量为至少40重量%的可流动分散体。