公开(公告)号：US5314974A

公开(公告)日：1994-05-24

申请号：US45603

申请日：1993-04-09

申请人： Tsuyoshi Ito ,  Junya Watanabe ,  Shintaro Sawada

发明人： Tsuyoshi Ito ,  Junya Watanabe ,  Shintaro Sawada

IPC分类号： C08F2/18 ,  C08F8/12 ,  C08F220/44 ,  C08F236/20

CPC分类号： C08F220/44 ,  C08F8/12 ,  C08F2800/20 ,  C08F2810/20

摘要： A method for producing an acrylonitrile crosslinked copolymer, which comprises copolymerizing, as polymerizable monomers, acrylonitrile, an alkyl ester of acrylic acid or methacrylic acid, an aliphatic or alicyclic crosslinkable unsaturated monomer having at least two allyl groups, and an aromatic crosslinkable polyunsaturated monomer, in the presence of from 10 to 45% by weight, based on the total amount of the polymerizable monomers, of an inert organic solvent having a specific gravity of at least 1.0.

摘要翻译： 一种制备丙烯腈交联共聚物的方法，其包括将丙烯腈，丙烯酸或甲基丙烯酸的烷基酯，具有至少两个烯丙基的脂肪族或脂环族交联性不饱和单体和芳香族交联性多不饱和单体作为聚合性单体共聚， 在10至45重量％的存在下，基于可聚合单体的总量，比重为至少1.0的惰性有机溶剂。

公开(公告)号：US5369132A

公开(公告)日：1994-11-29

申请号：US193745

申请日：1994-02-09

申请人： Tsuyoshi Ito ,  Junya Watanabe ,  Shintaro Sawada

发明人： Tsuyoshi Ito ,  Junya Watanabe ,  Shintaro Sawada

IPC分类号： C08F2/18 ,  C08F8/12 ,  C08F220/44 ,  C08F236/20

CPC分类号： C08F220/44 ,  C08F8/12 ,  C08F2800/20 ,  C08F2810/20

摘要： A method for producing an acrylonitrile crosslinked copolymer, which comprises copolymerizing, as polymerizable monomers, acrylonitrile, an alkyl ester of acrylic acid or methacrylic acid, an aliphatic or alicyclic crosslinkable unsaturated monomer having at least two allyl groups, and an aromatic crosslinkable polyunsaturated monomer, in the presence of from 10 to 45% by weight, based on the total amount of the polymerizable monomers, of an inert organic solvent having a specific gravity of at least 1.0.

公开(公告)号：US5248435A

公开(公告)日：1993-09-28

申请号：US808500

申请日：1991-12-17

申请人： Takamitsu Morita ,  Junya Watanabe ,  Shintaro Sawada

发明人： Takamitsu Morita ,  Junya Watanabe ,  Shintaro Sawada

IPC分类号： B01J39/20 ,  B01J41/14 ,  C08F257/02

CPC分类号： B01J41/14 ,  B01J39/20 ,  C08F257/02

摘要： A process for producing an ion exchange resin having a specific surface area of at least 0.04 m.sup.2 /g, an ion exchange resin produced by the process, and a method for removing ionic and noinionic impurities from a condensate by means of the ion exchange resin produced by the process. The process comprises the steps of: (1) uniformly imbibing a monomer mixture comprising a bifunctional unsaturated aromatic monomer and a monofunctional unsaturated aromatic monomer into aromatic crosslinked copolymer particles comprising a monofunctional unsaturated aromatic monomer and a bifunctional unsaturated aromatic monomer and having a porosity of not more than 0.2 ml/g; (2) polymerizing the monomer mixture in the presence of a polymerization initiator; and (3) introducing an ion exchange group into the resulting copolymer particles. The ion exchange resin has a large specific surface area and high physical strength and is capable of removing both ionic and noinionic impurities from a condensate.

摘要翻译： 一种制造比表面积至少为0.04m 2 / g的离子交换树脂的方法，通过该方法制备的离子交换树脂，以及通过产生的离子交换树脂从缩合物中除去离子型和阴离子杂质的方法 通过这个过程。 该方法包括以下步骤：（1）将包含双官能不饱和芳族单体和单官能不饱和芳族单体的单体混合物均匀地吸入包含单官能不饱和芳族单体和双官能不饱和芳族单体并具有不饱和多孔性的芳族交联共聚物颗粒中 大于0.2ml / g; （2）在聚合引发剂存在下使单体混合物聚合; 和（3）在所得共聚物颗粒中引入离子交换基团。 离子交换树脂具有大的比表面积和高的物理强度，并且能够从冷凝物中除去离子型和非离子杂质。

公开(公告)号：US5518627A

公开(公告)日：1996-05-21

申请号：US396795

申请日：1995-03-01

申请人： Masao Tomoi ,  Teruo Onozuka ,  Manabu Shindo ,  Hideaki Kiniwa ,  Hirohisa Kubota ,  Shintaro Sawada

发明人： Masao Tomoi ,  Teruo Onozuka ,  Manabu Shindo ,  Hideaki Kiniwa ,  Hirohisa Kubota ,  Shintaro Sawada

IPC分类号： B01J41/04 ,  C02F1/42

CPC分类号： B01J41/043 ,  Y10S210/90 ,  Y10S210/917

摘要： A method for demineralizing water or an aqueous solution, which comprises contacting the water or the aqueous solution to be treated to a strongly basic anion exchanger made of a crosslinked polymer having a constituting unit of the following formula (I): ##STR1## wherein A is a C.sub.1-2 linear alkylene group, B is a C.sub.4-8 linear alkylene group, each of R1, R2 and R3 which may be the same or different, is a C.sub.1-4 alkyl group or a C.sub.2-4 alkanol group, X is a counter ion coordinated on the ammonium group, and the benzene ring D may have an alkyl group or a halogen atom as a substituent.

摘要翻译： 一种使水或水溶液软化矿物的方法，其包括将待处理的水或溶液与由具有下式（I）的构成单元的交联聚合物制成的强碱性阴离子交换剂接触： ）其中A为C1-2直链亚烷基，B为C4-8直链亚烷基，R 1，R 2和R 3可相同或不同，为C 1-4烷基或C 2-4链烷醇 基团，X是在铵基上配位的抗衡离子，苯环D可以具有烷基或卤素原子作为取代基。