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1. 发明授权

US5061741A Method for preparing an oil-in-water type uniform dispersion of liquid droplets and polymerization method for preparing polymer beads of uniform particle size 失效
标题翻译：用于制备液体水溶液的水性均匀分散体的方法和用于制备均匀颗粒尺寸的聚合物珠粒的聚合方法
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.

2. 发明授权

US5447983A Method for producing a large size crosslinked polymer bead 失效
标题翻译：用于生产大尺寸交联聚合物珠粒的方法
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

3. 发明授权

US5600022A Method for recovering chloromethyl methyl ether 失效
标题翻译：氯甲基甲醚的回收方法
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。

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