公开(公告)号：US5447983A

公开(公告)日：1995-09-05

申请号：US384682

申请日：1995-02-06

申请人： Kiyoto Ando ,  Hiroshi Arataki

发明人： Kiyoto Ando ,  Hiroshi Arataki

IPC分类号： C08F2/10 ,  C08F2/18

CPC分类号： C08F2/18

摘要： A method for producing a large size crosslinked polymer bead, which comprises dispersing a monomer phase composed essentially of a monovinyl monomer and a crosslinkable monomer in an aqueous phase containing a dispersion stabilizer and subjecting the dispersion to suspension polymerization in an oil-in-water system in the presence of a polymerization initiator, wherein: 1 at least one specific gravity-controlling agent having a specific gravity of more than 1.0 selected from the group consisting of water-insoluble inert organic solvents and water-insoluble linear polymers soluble in the monomer phase, is added to the monomer phase, and 2 if necessary, at least one specific gravity-controlling agent selected from the group consisting of water-soluble inorganic salts, is added to the aqueous phase, 3 to adjust the specific gravities (at 25.degree. C.) of the monomer phase and the aqueous phase in the ranges represented by the following formula (I):B-0.03

摘要翻译： 一种制造大尺寸交联聚合物珠粒的方法，其包括将基本上由单乙烯基单体和可交联单体组成的单体相分散在含有分散体稳定剂的水相中，并将该分散体在水包油体系中进行悬浮聚合 在聚合引发剂存在下，其中：+ E，crc / 1 /至少一种比重大于1.0的比重控制剂，其选自水不溶性惰性有机溶剂和水不溶性线性 可溶于单体相的聚合物加入到单体相中，如果需要，加入+ E，crc / 2，将至少一种选自水溶性无机盐的比重控制剂加入到水溶液 相，+ E，crc / 3 /，以在下述式（I）表示的范围内调节单体相和水相的比重（25℃）：B-0.03

公开(公告)号：US5600022A

公开(公告)日：1997-02-04

申请号：US364727

申请日：1994-12-27

申请人： Kiyoto Ando ,  Akihiko Tsukada ,  Hiroshi Arataki ,  Youichi Tamura

发明人： Kiyoto Ando ,  Akihiko Tsukada ,  Hiroshi Arataki ,  Youichi Tamura

IPC分类号： C07C41/34 ,  C07C43/12 ,  C08F8/24 ,  C08F8/26 ,  C07C41/00

CPC分类号： C07C43/12 ,  C07C41/01 ,  C07C41/38 ,  C08F8/24 ,  C08F8/26

摘要： In a reaction for introducing chloromethyl groups into an aromatic crosslinked copolymer by reacting chloromethyl methyl ether to the aromatic crosslinked copolymer in the presence of a chloromethylation reaction catalyst, a method for recovering chloromethyl methyl ether from the reaction mixture, which comprises the following steps 1) a step of adding to the reaction mixture an aqueous acid solution which is capable of dissolving the chloromethylation reaction catalyst without decomposing chloromethyl methyl ether, and an extraction solvent which is inert to and miscible with chloromethyl methyl ether and which is capable of swelling the chloromethylated aromatic crosslinked copolymer, 2) a step of contacting hydrogen chloride gas to the reaction mixture and the extract solution from the step 1 to convert decomposition products of chloromethyl methyl ether, to chloromethyl methyl ether, 3) a step of separating the resulting mixture from the step 2 into an extraction solvent layer containing chloromethyl methyl ether and an acid-containing aqueous layer, and 4) a step of separating the chloromethyl methyl ether from the extraction solvent layer separated in the step 3.

摘要翻译： 在氯甲基化反应催化剂的存在下，通过使氯甲基甲基醚与芳族交联共聚物反应，将氯甲基引入芳族交联共聚物的反应中，从反应混合物中回收氯甲基甲基醚的方法包括以下步骤1） 向反应混合物中加入能够溶解氯甲基化反应催化剂而不分解氯甲基甲基醚的酸性水溶液的步骤，和对氯甲基甲基醚是惰性的且可与氯甲基甲基醚混溶并且能够使氯甲基化芳族化合物溶胀的萃取溶剂 交联共聚物，2）使氯化氢气体与反应混合物和步骤1的提取液接触以将氯甲基甲基醚的分解产物转化为氯甲基甲基醚的步骤，3）将所得混合物与步骤 2进入萃取溶剂层 除去氯甲基甲基醚和含酸水层，以及4）从步骤3中分离的萃取溶剂层中分离氯甲基甲基醚的步骤。

公开(公告)号：US5061741A

公开(公告)日：1991-10-29

申请号：US611507

申请日：1990-11-13

申请人： Eiji Miyata ,  Kiyoto Ando ,  Hiroshi Maeda ,  Hiroshi Arataki ,  Seiji Sudo

发明人： Eiji Miyata ,  Kiyoto Ando ,  Hiroshi Maeda ,  Hiroshi Arataki ,  Seiji Sudo

IPC分类号： B01J19/26 ,  C08F2/00 ,  C08F2/04 ,  C08F2/16

CPC分类号： C08F2/16 ,  B01J19/26 ,  B01J2219/00164 ,  Y10S526/918

摘要： A method for preparing an oil-in-water type uniform dispersion of liquid droplets, which comprises ejecting into an aqueous medium containing a dispersion stabilizer, which forms a continuous phase and moves upwards, a hydrophobic liquid having a specific gravity smaller than the aqueous medium, through a nozzle plate having a plurality of perforations capable of ejecting the hydrophobic liquid upwards, to form liquid droplets of the hydrophobic liquid in the aqueous medium, wherein a nozzle plate having a number of perforations for ejection arranged in a ring form is used as said nozzle plate, and a polymerization method for preparing polymer beads of uniform particle size, which comprises applying the method for preparing an oil-in-water type uniform dispersion of liquid droplets.

公开(公告)号：US4543365A

公开(公告)日：1985-09-24

申请号：US694276

申请日：1985-01-24

申请人： Takaharu Itagaki ,  Tsuyoshi Ito ,  Kiyoto Ando ,  Hiromi Teshima

发明人： Takaharu Itagaki ,  Tsuyoshi Ito ,  Kiyoto Ando ,  Hiromi Teshima

IPC分类号： C08J9/26 ,  C08F6/00 ,  C08F8/00 ,  C08J9/00

CPC分类号： C08F8/00

摘要： A method for increasing the porosity of a cross-linked copolymer composed essentially of at least one monovinyl aromatic compound selected from the group consisting of styrene, vinyl toluene and ethyl vinyl benzene, at least one polyvinyl aromatic compound selected from the group consisting of divinyl benzene, trivinyl benzene, divinyl toluene and divinyl xylene, and an aliphatic vinyl compound, wherein the proportion of the polyvinyl aromatic compound relative to the total vinyl compounds is from 8 to 80% by weight, and the proportion of the aliphatic vinyl compound relative to the total vinyl compounds is from 0 to 20% by weight, which method comprises treating particles of said copolymer with a Lewis acid catalyst in an amount of from 0.05 to 1 part by weight relative to 1 part by weight of the copolymer particles, in the presence of an organic solvent.

摘要翻译： 提高基本上由至少一种选自苯乙烯，乙烯基甲苯和乙基乙烯基苯的单乙烯基芳族化合物组成的交联共聚物的孔隙率的方法，至少一种选自二乙烯基苯的聚乙烯基芳族化合物 三乙烯基苯，二乙烯基甲苯和二乙烯基二甲苯和脂族乙烯基化合物，其中聚乙烯基芳族化合物相对于总乙烯基化合物的比例为8至80重量％，并且脂族乙烯基化合物相对于 总乙烯基化合物为0至20重量％，该方法包括在相对于共聚物颗粒的1重量份的情况下，以相对于共聚物颗粒的1重量份为0.05-1重量份的路易斯酸催化剂处理所述共聚物的颗粒， 的有机溶剂。