公开(公告)号：US20120202951A1

公开(公告)日：2012-08-09

申请号：US13446411

申请日：2012-04-13

申请人： Herbert Gartner ,  Jorg Harren ,  Marc Hager ,  Harald Plochinger ,  Daniel Fricker ,  Hans-Peter Kohler ,  Sabine Auerning

发明人： Herbert Gartner ,  Jorg Harren ,  Marc Hager ,  Harald Plochinger ,  Daniel Fricker ,  Hans-Peter Kohler ,  Sabine Auerning

IPC分类号： C08F220/10

CPC分类号： C08F2/10 ,  C08F4/40 ,  C08F220/06 ,  C08K5/092 ,  C08K5/175

摘要： The present invention relates to superabsorbent polymer comprising the comprising the free radical polymerization product of an aqueous monomer mixture containing at least one α,β-ethylenically unsaturated monomer; at least one monomer having at least two α,β-ethylenically unsaturated groups; a crosslinking agent having at least two polymerizable double bonds; iron ions in an amount of from about 0.1 to about 3 wppm based on the total weight of the aqueous monomer mixture; and at least one chelating agent in an amount to provide a molar ratio of chelating agent to iron ion of from about 0.8 to about 4.0.

摘要翻译： 本发明涉及超吸收聚合物，其包含含有至少一种α，β-烯属不饱和单体的含水单体混合物的自由基聚合产物; 至少一种具有至少两个α，β-烯属不饱和基团的单体; 具有至少两个可聚合双键的交联剂; 相对于含水单体混合物的总重量，铁离子的量为约0.1至约3wppm; 和至少一种螯合剂，其量使得螯合剂与铁离子的摩尔比为约0.8至约4.0。

公开(公告)号：US20100105809A1

公开(公告)日：2010-04-29

申请号：US12575124

申请日：2009-10-07

申请人： Daniel Fricker ,  Herbert Gartner ,  Marc Hager ,  Jörg Harren ,  Hans-Peter Kohler ,  Harald Plöchinger

发明人： Daniel Fricker ,  Herbert Gartner ,  Marc Hager ,  Jörg Harren ,  Hans-Peter Kohler ,  Harald Plöchinger

IPC分类号： C08F2/16

CPC分类号： C08F2/16

摘要： The present invention relates to a process for the production of a superabsorbent polymer comprising preparing an aqueous mixture of monomers selected to provide after polymerization a superabsorbent polymer; feeding said monomer mixture to a reactor; subjecting the aqueous monomer mixture in the reactor to free-radical polymerization to obtain a superabsorbent polymer gel; removing the superabsorbent polymer gel from the reactor; and drying the superabsorbent polymer gel. Where at least one off-gas stream removed from any stage of the process is subjected to scrubbing with a basic aqueous solution prior to venting to obtain an aqueous scrubber solution that is at least partially recycled to any of the above steps of the process.

摘要翻译： 本发明涉及一种制备超吸收性聚合物的方法，包括制备选择用于在聚合后提供超吸收性聚合物的单体的水性混合物; 将所述单体混合物进料到反应器中; 使反应器中的含水单体混合物进行自由基聚合以获得超吸收性聚合物凝胶; 从反应器中除去超吸收性聚合物凝胶; 并干燥超吸收聚合物凝胶。 在从该方法的任何阶段除去的至少一个废气流在排气之前用碱性水溶液进行洗涤，以获得至少部分地循环到本方法的任何上述步骤的水性洗涤器溶液。

公开(公告)号：US08653210B2

公开(公告)日：2014-02-18

申请号：US13561214

申请日：2012-07-30

申请人： Daniel Fricker ,  Herbert Gartner ,  Marc Hager ,  Jorg Harren ,  Hans-Peter Kohler ,  Harald Plöchinger

发明人： Daniel Fricker ,  Herbert Gartner ,  Marc Hager ,  Jorg Harren ,  Hans-Peter Kohler ,  Harald Plöchinger

IPC分类号： C08F222/02

CPC分类号： C08F2/14 ,  C08F2/16

摘要： The present invention relates to a continuous process for the production of a superabsorbent polymer comprising providing an acidic liquid aqueous monomer mixture containing dissolved oxygen; continuously feeding the aqueous monomer mixture to a reactor; introducing a source of carbonate or hydrogen carbonate into the aqueous monomer mixture prior to entry into the reactor thereby forming a gas phase comprising carbon dioxide and at least a part of the dissolved oxygen, the gas phase being dispersed in the liquid phase; subjecting the gas/liquid mixture to at least partial phase separation immediately prior to or after entry into the reactor and at least partially removing the separated gaseous phase; subjecting the liquid phase in the reactor to free-radical polymerization to obtain the superabsorbent polymer, and continuously removing the superabsorbent polymer from the reactor.

摘要翻译： 本发明涉及制备超吸收性聚合物的连续方法，其包括提供含有溶解氧的酸性液体含水单体混合物; 连续地将含水单体混合物进料到反应器中; 在进入反应器之前将碳酸盐或碳酸氢盐引入含水单体混合物中，从而形成包含二氧化碳和至少一部分溶解氧的气相，气相分散在液相中; 在气体/液体混合物进入反应器之前或之后立即进行至少部分相分离，并至少部分除去分离的气相; 将反应器中的液相进行自由基聚合以获得超吸收性聚合物，并从反应器中连续除去超吸收性聚合物。

公开(公告)号：US08252873B1

公开(公告)日：2012-08-28

申请号：US13446411

申请日：2012-04-13

申请人： Herbert Gartner ,  Jorg Harren ,  Marc Hager ,  Harald Plochinger ,  Daniel Fricker ,  Hans-Peter Kohler ,  Sabine Auernig

发明人： Herbert Gartner ,  Jorg Harren ,  Marc Hager ,  Harald Plochinger ,  Daniel Fricker ,  Hans-Peter Kohler ,  Sabine Auernig

IPC分类号： C08F2/00 ,  C08F4/00 ,  C08F4/72 ,  C08F36/00 ,  C08F210/00

CPC分类号： C08F2/10 ,  C08F4/40 ,  C08F220/06 ,  C08K5/092 ,  C08K5/175

摘要： The present invention relates to superabsorbent polymer comprising the comprising the free radical polymerization product of an aqueous monomer mixture containing at least one α,β-ethylenically unsaturated monomer; at least one monomer having at least two α,β-ethylenically unsaturated groups; a crosslinking agent having at least two polymerizable double bonds; iron ions in an amount of from about 0.1 to about 3 wppm based on the total weight of the aqueous monomer mixture; and at least one chelating agent in an amount to provide a molar ratio of chelating agent to iron ion of from about 0.8 to about 4.0.

摘要翻译： 本发明涉及超吸收聚合物，其包含含有至少一种α，β-烯属不饱和单体的含水单体混合物的自由基聚合产物; 至少一种具有至少两个α，β-烯属不饱和基团的单体; 具有至少两个可聚合双键的交联剂; 相对于含水单体混合物的总重量，铁离子的量为约0.1至约3wppm; 和至少一种螯合剂，其量使得螯合剂与铁离子的摩尔比为约0.8至约4.0。

公开(公告)号：US08198385B2

公开(公告)日：2012-06-12

申请号：US12942633

申请日：2010-11-09

申请人： Herbert Gartner ,  Jorg Harren ,  Marc Hager ,  Harald Plochinger ,  Daniel Fricker ,  Hans-Peter Kohler ,  Sabine Auernig

发明人： Herbert Gartner ,  Jorg Harren ,  Marc Hager ,  Harald Plochinger ,  Daniel Fricker ,  Hans-Peter Kohler ,  Sabine Auernig

IPC分类号： C08F2/00 ,  C08F4/72 ,  C08F20/06 ,  C08F118/02 ,  C08F210/00

CPC分类号： C08F2/10 ,  C08F4/40 ,  C08F220/06 ,  C08K5/092 ,  C08K5/175

摘要： The present invention relates to process for the preparation of a superabsorbent polymer comprising the steps of a) subjecting an aqueous monomer mixture containing at least one α,β-ethylenically unsaturated monomer; at least one monomer bearing at least two α,β-ethylenically unsaturated groups; iron ions in an amount of 0.1 to 3 wppm based on the total weight of the aqueous monomer mixture; and at least one chelating agent in an amount to provide a mol ratio of chelating agent to iron ion of 0.8 to 4.0 to free radical polymerization in an reactor to obtain a super-absorbent polymer; and b) recovering the superabsorbent polymer, whereby if the process is continuous and is run in an agitated reactor the upper limit of the mol ratio of chelating agent to iron ion is 4.0 for a throughput of total reaction mixture through the reactor of at most 1.3 kg/h per liter reactor volume.

摘要翻译： 本发明涉及制备超吸收性聚合物的方法，包括以下步骤：a）使含有至少一种α，β-烯属不饱和单体的含水单体混合物; 至少一种含有至少两个α，β-烯属不饱和基团的单体; 相对于含水单体混合物的总重量，铁离子的量为0.1〜3wppm; 和至少一种螯合剂，其量使得螯合剂与铁离子的摩尔比为0.8至4.0，以在反应器中进行自由基聚合以获得超吸收性聚合物; 并且b）回收超吸收性聚合物，由此如果该方法是连续的并且在搅拌反应器中运行，螯合剂与铁离子的摩尔比的上限为4.0，对于通过反应器的总反应混合物的通量为至多1.3 kg / h每升反应器体积。

公开(公告)号：US08048942B2

公开(公告)日：2011-11-01

申请号：US12575146

申请日：2009-10-07

申请人： Daniel Fricker ,  Herbert Gartner ,  Marc Hager ,  Jörg Harren ,  Hans-Peter Kohler ,  Harald Plöchinger

发明人： Daniel Fricker ,  Herbert Gartner ,  Marc Hager ,  Jörg Harren ,  Hans-Peter Kohler ,  Harald Plöchinger

IPC分类号： C08G18/08

CPC分类号： C08F2/16 ,  C08F2/00

摘要： The present invention relates to a process for the production of a superabsorbent polymer comprising preparing an aqueous mixture of monomers selected to provide after polymerization a superabsorbent polymer; feeding said monomer mixture to a reactor; subjecting the aqueous monomer mixture in the reactor to free-radical polymerization to obtain a superabsorbent polymer gel; removing the superabsorbent polymer from the reactor; and working-up the superabsorbent polymer removed from the reactor to obtain a final product, whereby a basic aqueous medium comprising carbonate and/or hydrogen carbonate is fed to the superabsorbent polymer gel.

摘要翻译： 本发明涉及一种制备超吸收性聚合物的方法，包括制备选择用于在聚合后提供超吸收性聚合物的单体的水性混合物; 将所述单体混合物进料到反应器中; 使反应器中的含水单体混合物进行自由基聚合以获得超吸收性聚合物凝胶; 从反应器中除去超吸收性聚合物; 并处理从反应器中除去的超吸收性聚合物以获得最终产物，由此将包含碳酸盐和/或碳酸氢盐的碱性水性介质加入到超吸收性聚合物凝胶中。

公开(公告)号：US20110245436A1

公开(公告)日：2011-10-06

申请号：US12942633

申请日：2010-11-09

申请人： Herbert Gartner ,  Jorg Harren ,  Marc Hager ,  Harald Plochinger ,  Daniel Fricker ,  Hans-Peter Kohler ,  Sabine Auernig

发明人： Herbert Gartner ,  Jorg Harren ,  Marc Hager ,  Harald Plochinger ,  Daniel Fricker ,  Hans-Peter Kohler ,  Sabine Auernig

IPC分类号： C08F2/10 ,  C08F2/01

CPC分类号： C08F2/10 ,  C08F4/40 ,  C08F220/06 ,  C08K5/092 ,  C08K5/175

摘要： The present invention relates to process for the preparation of a superabsorbent polymer comprising the steps of a) subjecting an aqueous monomer mixture containing at least one α,β-ethylenically unsaturated monomer; at least one monomer bearing at least two α,β-ethylenically unsaturated groups; iron ions in an amount of 0.1 to 3 wppm based on the total weight of the aqueous monomer mixture; and at least one chelating agent in an amount to provide a mol ratio of chelating agent to iron ion of 0.8 to 4.0 to free radical polymerization in an reactor to obtain a super-absorbent polymer; and b) recovering the superabsorbent polymer, whereby if the process is continuous and is run in an agitated reactor the upper limit of the mol ratio of chelating agent to iron ion is 4.0 for a throughput of total reaction mixture through the reactor of at most 1.3 kg/h per liter reactor volume.

摘要翻译： 本发明涉及制备超吸收性聚合物的方法，包括以下步骤：a）使含有至少一种α，β-烯属不饱和单体的含水单体混合物; 至少一种含有至少两个α，β-烯属不饱和基团的单体; 相对于含水单体混合物的总重量，铁离子的量为0.1〜3wppm; 和至少一种螯合剂，其量使得螯合剂与铁离子的摩尔比为0.8至4.0，以在反应器中进行自由基聚合以获得超吸收性聚合物; 并且b）回收超吸收性聚合物，由此如果该方法是连续的并且在搅拌反应器中运行，螯合剂与铁离子的摩尔比的上限为4.0，对于通过反应器的总反应混合物的通量为至多1.3 kg / h每升反应器体积。

公开(公告)号：US20100105808A1

公开(公告)日：2010-04-29

申请号：US12575071

申请日：2009-10-07

申请人： Daniel Fricker ,  Herbert GARTNER ,  Marc HAGER ,  Jörg HARREN ,  Hans-Peter KOHLER ,  Harald PLÖCHINGER

发明人： Daniel Fricker ,  Herbert GARTNER ,  Marc HAGER ,  Jörg HARREN ,  Hans-Peter KOHLER ,  Harald PLÖCHINGER

IPC分类号： C08F2/16

CPC分类号： C08F2/14 ,  C08F2/16

摘要： The present invention relates to a continuous process for the production of a superabsorbent polymer comprising providing an acidic liquid aqueous monomer mixture containing dissolved oxygen; continuously feeding the aqueous monomer mixture to a reactor; introducing a source of carbonate or hydrogen carbonate into the aqueous monomer mixture prior to entry into the reactor thereby forming a gas phase comprising carbon dioxide and at least a part of the dissolved oxygen, the gas phase being dispersed in the liquid phase; subjecting the gas/liquid mixture to at least partial phase separation immediately prior to or after entry into the reactor and at least partially removing the separated gaseous phase; subjecting the liquid phase in the reactor to free-radical polymerization to obtain the superabsorbent polymer, and continuously removing the superabsorbent polymer from the reactor.

摘要翻译： 本发明涉及制备超吸收性聚合物的连续方法，其包括提供含有溶解氧的酸性液体含水单体混合物; 连续地将含水单体混合物进料到反应器中; 在进入反应器之前将碳酸盐或碳酸氢盐引入含水单体混合物中，从而形成包含二氧化碳和至少一部分溶解氧的气相，气相分散在液相中; 在气体/液体混合物进入反应器之前或之后立即进行至少部分相分离，并至少部分除去分离的气相; 将反应器中的液相进行自由基聚合以获得超吸收性聚合物，并从反应器中连续除去超吸收性聚合物。

公开(公告)号：US08063121B2

公开(公告)日：2011-11-22

申请号：US12575124

申请日：2009-10-07

申请人： Daniel Fricker ,  Herbert Gartner ,  Marc Hager ,  Jörg Harren ,  Hans-Peter Kohler ,  Harald Plöchinger

发明人： Daniel Fricker ,  Herbert Gartner ,  Marc Hager ,  Jörg Harren ,  Hans-Peter Kohler ,  Harald Plöchinger

IPC分类号： C08G18/08

CPC分类号： C08F2/16

摘要： The present invention relates to a process for the production of a superabsorbent polymer comprising preparing an aqueous mixture of monomers selected to provide after polymerization a superabsorbent polymer; feeding said monomer mixture to a reactor; subjecting the aqueous monomer mixture in the reactor to free-radical polymerization to obtain a superabsorbent polymer gel; removing the superabsorbent polymer gel from the reactor; and drying the superabsorbent polymer gel. Where at least one off-gas stream removed from any stage of the process is subjected to scrubbing with a basic aqueous solution prior to venting to obtain an aqueous scrubber solution that is at least partially recycled to any of the above steps of the process.

摘要翻译： 本发明涉及一种制备超吸收性聚合物的方法，包括制备选择用于在聚合后提供超吸收性聚合物的单体的水性混合物; 将所述单体混合物进料到反应器中; 使反应器中的含水单体混合物进行自由基聚合以获得超吸收性聚合物凝胶; 从反应器中除去超吸收性聚合物凝胶; 并干燥超吸收聚合物凝胶。 在从该方法的任何阶段除去的至少一个废气流在排气之前用碱性水溶液进行洗涤，以获得至少部分地循环到本方法的任何上述步骤的水性洗涤器溶液。

公开(公告)号：US20100099799A1

公开(公告)日：2010-04-22

申请号：US12575146

申请日：2009-10-07

申请人： Daniel Fricker ,  Herbert Gartner ,  Marc Hager ,  Jörg Harren ,  Hans-Peter Kohler ,  Harald Plöchinger

发明人： Daniel Fricker ,  Herbert Gartner ,  Marc Hager ,  Jörg Harren ,  Hans-Peter Kohler ,  Harald Plöchinger

IPC分类号： C08F2/16

CPC分类号： C08F2/16 ,  C08F2/00

摘要： The present invention relates to a process for the production of a superabsorbent polymer comprising preparing an aqueous mixture of monomers selected to provide after polymerization a superabsorbent polymer; feeding said monomer mixture to a reactor; subjecting the aqueous monomer mixture in the reactor to free-radical polymerization to obtain a superabsorbent polymer gel; removing the superabsorbent polymer from the reactor; and working-up the superabsorbent polymer removed from the reactor to obtain a final product, whereby a basic aqueous medium comprising carbonate and/or hydrogen carbonate is fed to the superabsorbent polymer gel.

摘要翻译： 本发明涉及一种制备超吸收性聚合物的方法，包括制备选择用于在聚合后提供超吸收性聚合物的单体的水性混合物; 将所述单体混合物进料到反应器中; 使反应器中的含水单体混合物进行自由基聚合以获得超吸收性聚合物凝胶; 从反应器中除去超吸收性聚合物; 并处理从反应器中除去的超吸收性聚合物以获得最终产物，由此将包含碳酸盐和/或碳酸氢盐的碱性水性介质加入到超吸收性聚合物凝胶中。