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1. 发明授权

US09132413B2 Method for producing a water-absorbent resin 有权
标题翻译：吸水性树脂的制造方法
公开(公告)号：US09132413B2
公开(公告)日：2015-09-15
申请号：US13812650
申请日：2011-07-20
申请人： Sachi Kikuno , Atsushi Heguri , Hideki Yokoyama , Nobuhiro Maeda
发明人： Sachi Kikuno , Atsushi Heguri , Hideki Yokoyama , Nobuhiro Maeda
IPC分类号： C08F2/18 , B01J20/30 , C08F2/32 , C08F220/06 , C08F220/56
CPC分类号： B01J20/30 , C08F2/18 , C08F2/32 , C08F220/06 , C08F220/56
摘要： A method for producing a water-absorbent resin comprising at least two stages of reversed-phase suspension polymerization, wherein the first stage of the at least two stages of reversed-phase suspension polymerization comprises the following steps of: (A) performing a primary dispersion by stirring to mix in the absence of surfactants an aqueous solution of a water-soluble ethylenically unsaturated monomer containing a hydrophilic polymeric dispersion agent with a petroleum hydrocarbon dispersion medium in which a hydrophobic polymeric dispersion agent dissolves or disperses; (B) further performing a secondary dispersion by adding a surfactant to the resultant dispersion liquid; and (C) performing a polymerization by using a water-soluble radical polymerization initiator to obtain a water-absorbent resin as particles in a hydrous gel state which disperse in the petroleum hydrocarbon dispersion medium, and a water-absorbent resin obtained by the method.
摘要翻译：一种制备吸水性树脂的方法，其包含至少两个阶段的反相悬浮聚合，其中所述至少两个阶段的反相悬浮聚合的第一阶段包括以下步骤：（A）进行一次分散通过搅拌在不存在表面活性剂的情况下将含有亲水性聚合物分散剂的水溶性烯属不饱和单体的水溶液与疏水性聚合物分散剂溶解或分散的石油烃分散介质混合; （B）通过向所得分散液中加入表面活性剂进一步进行二次分散; 和（C）通过使用水溶性自由基聚合引发剂进行聚合，得到作为分散在石油烃分散介质中的含水凝胶状态的颗粒的吸水性树脂和通过该方法获得的吸水性树脂。

2. 发明申请

US20130123445A1 METHOD FOR PRODUCING A WATER-ABSORBENT RESIN 有权
标题翻译：生产吸水树脂的方法
公开(公告)号：US20130123445A1
公开(公告)日：2013-05-16
申请号：US13812753
申请日：2011-07-20
申请人： Atsushi Heguri , Sachi Kikuno , Hideki Yokoyama , Nobuhiro Maeda
发明人： Atsushi Heguri , Sachi Kikuno , Hideki Yokoyama , Nobuhiro Maeda
IPC分类号： C08F2/10
CPC分类号： C08F2/10 , C08F2/32 , C08F220/06 , C08F220/56
摘要： A method for producing a water-absorbent resin by performing a reversed-phase suspension polymerization of a water-soluble ethylenically unsaturated monomer in a petroleum hydrocarbon dispersion medium, comprising the following steps of: (A) performing a primary dispersion in the absence of surfactants by adding an aqueous solution of a water-soluble ethylenically unsaturated monomer containing a hydrophilic polymeric dispersion agent to a petroleum hydrocarbon dispersion medium in which a hydrophobic polymeric dispersion agent was heat-dispersed or heat-dissolved, under stirring; (B) further performing a secondary dispersion by adding a surfactant to a dispersion liquid obtained after the primary dispersion; and (C) performing the reversed-phase suspension polymerization by using a radical polymerization initiator; and the water-absorbent resin obtained by the method.
摘要翻译：一种通过在石油烃分散介质中进行水溶性烯键式不饱和单体的反相悬浮聚合制备吸水性树脂的方法，包括以下步骤：（A）在不存在表面活性剂的情况下进行一次分散通过在搅拌下将含有亲水性高分子分散剂的水溶性烯属不饱和单体的水溶液加入其中疏水聚合物分散剂被热分散或热溶解的石油烃分散介质中; （B）通过向在一次分散后得到的分散液中添加表面活性剂进一步进行二次分散; 和（C）使用自由基聚合引发剂进行反相悬浮聚合; 和通过该方法获得的吸水性树脂。

3. 发明申请

US20130123455A1 METHOD FOR PRODUCING A WATER-ABSORBENT RESIN 有权
标题翻译：生产吸水树脂的方法
公开(公告)号：US20130123455A1
公开(公告)日：2013-05-16
申请号：US13812695
申请日：2011-07-20
申请人： Hideki Yokoyama , Sachi Kikuno , Atsushi Heguri , Nobuhiro Maeda
发明人： Hideki Yokoyama , Sachi Kikuno , Atsushi Heguri , Nobuhiro Maeda
IPC分类号： C08F2/10
CPC分类号： C08F2/10 , A61L15/24 , A61L15/60 , C08F2/001 , C08F2/18 , C08F2/20 , C08F2/24 , C08F2/32 , C08F4/04 , C08F220/06 , C08L33/08 , Y10S526/91 , Y10S526/911
摘要： A method for producing a water-absorbent resin having a further reduced odor as compared with a water-absorbent resin obtained by a conventional method as well as a water-absorbent resin produced by the same method, by maintaining the addition rate V from the pouring nozzle for the aqueous solution of the water-soluble ethylenically unsaturated monomer in a polymerization reaction tank not more than 0.30 [min−1], in the first stage polymerization step which is within the step of the conventional method upon performing multi-stages such as two or more stages of reversed-phase suspension polymerizations in a method for producing a water-absorbent resin, and thereby by being able to reduce the amount of the petroleum hydrocarbon dispersion medium remaining in the above water-absorbent resin.
摘要翻译：与通过常规方法获得的吸水性树脂相比，具有进一步降低气味的吸水性树脂的制造方法以及通过相同方法制备的吸水性树脂，通过保持来自浇注的添加率V 在聚合反应槽中的水溶性烯键式不饱和单体的水溶液的喷嘴在不大于0.30 [min -1]的情况下，在第一阶段聚合步骤中，在进行多阶段的步骤中的第一阶段聚合步骤，例如在吸水性树脂的制造方法中，由于能够减少残留在上述吸水性树脂中的石油烃分散介质的量，反相悬浮聚合的两个阶段或更多阶段。

4. 发明授权

US09102771B2 Method for producing a water-absorbent resin 有权
标题翻译：吸水性树脂的制造方法
公开(公告)号：US09102771B2
公开(公告)日：2015-08-11
申请号：US14125818
申请日：2011-07-20
申请人： Hideki Yokoyama , Atsushi Heguri , Nobuhiro Maeda
发明人： Hideki Yokoyama , Atsushi Heguri , Nobuhiro Maeda
IPC分类号： C08F2/00 , C08F20/06 , C08F120/06 , C08F2/18 , C08F2/32 , C08F220/06 , B01J20/26 , C08F220/10 , C08F220/56
CPC分类号： C08F120/06 , B01J20/267 , C08F2/18 , C08F2/32 , C08F220/06 , C08F220/10 , C08F220/56
摘要： A method is disclosed for producing a water-absorbent resin by a reversed-phase suspension polymerization method, wherein an odor originating from a raw material component, in particular, a petroleum hydrocarbon dispersion medium, is further reduced as compared with a water-absorbent resin obtained by a conventional method, and a water-absorbent resin obtained by the method. More specifically, a method is disclosed for producing a water-absorbent resin by performing a reversed-phase suspension polymerization of a water-soluble ethylenically unsaturated monomer in a petroleum hydrocarbon dispersion medium, comprising adding and dispersing an aqueous solution of a water-soluble ethylenically unsaturated monomer containing a hydrophilic polymeric dispersion agent to a petroleum hydrocarbon dispersion medium in the presence of a surfactant under stirring, and performing a reversed-phase suspension polymerization using a radical polymerization initiator, and a water-absorbent resin obtained by the method.
摘要翻译：公开了通过反相悬浮聚合法制造吸水性树脂的方法，其中与原料成分，特别是石油烃分散介质相比产生的气味与吸水性树脂相比进一步降低通过常规方法获得的吸水性树脂和通过该方法获得的吸水性树脂。更具体地，公开了通过在石油烃分散介质中进行水溶性烯键式不饱和单体的反相悬浮聚合来制造吸水性树脂的方法，包括将水溶性烯键式的水溶液在表面活性剂存在下，在搅拌的同时，将含有亲水性高分子分散剂的亲水性高分子分散剂与不饱和单体反应，使用自由基聚合引发剂进行反相悬浮聚合，得到的吸水性树脂。

5. 发明授权

US08883944B2 Method for producing a water-absorbent resin 有权
标题翻译：吸水性树脂的制造方法
公开(公告)号：US08883944B2
公开(公告)日：2014-11-11
申请号：US13812753
申请日：2011-07-20
申请人： Atsushi Heguri , Sachi Kikuno , Hideki Yokoyama , Nobuhiro Maeda
发明人： Atsushi Heguri , Sachi Kikuno , Hideki Yokoyama , Nobuhiro Maeda
IPC分类号： C08F2/00 , C08F20/06 , C08F220/06 , C08F2/32 , C08F220/56 , C08F2/10
CPC分类号： C08F2/10 , C08F2/32 , C08F220/06 , C08F220/56
摘要： A method for producing a water-absorbent resin by performing a reversed-phase suspension polymerization of a water-soluble ethylenically unsaturated monomer in a petroleum hydrocarbon dispersion medium, comprising the following steps of: (A) performing a primary dispersion in the absence of surfactants by adding an aqueous solution of a water-soluble ethylenically unsaturated monomer containing a hydrophilic polymeric dispersion agent to a petroleum hydrocarbon dispersion medium in which a hydrophobic polymeric dispersion agent was heat-dispersed or heat-dissolved, under stirring; (B) further performing a secondary dispersion by adding a surfactant to a dispersion liquid obtained after the primary dispersion; and (C) performing the reversed-phase suspension polymerization by using a radical polymerization initiator; and the water-absorbent resin obtained by the method.
摘要翻译：一种通过在石油烃分散介质中进行水溶性烯键式不饱和单体的反相悬浮聚合制备吸水性树脂的方法，包括以下步骤：（A）在不存在表面活性剂的情况下进行一次分散通过在搅拌下将含有亲水性高分子分散剂的水溶性烯属不饱和单体的水溶液加入其中疏水聚合物分散剂被热分散或热溶解的石油烃分散介质中; （B）通过向在一次分散后得到的分散液中添加表面活性剂进一步进行二次分散; 和（C）使用自由基聚合引发剂进行反相悬浮聚合; 和通过该方法获得的吸水性树脂。

6. 发明申请

US20130119309A1 METHOD FOR PRODUCING A WATER-ABSORBENT RESIN 有权
标题翻译：生产吸水树脂的方法
公开(公告)号：US20130119309A1
公开(公告)日：2013-05-16
申请号：US13812650
申请日：2011-07-20
申请人： Sachi Kikuno , Atsushi Heguri , Hideki Yokoyama , Nobuhiro Maeda
发明人： Sachi Kikuno , Atsushi Heguri , Hideki Yokoyama , Nobuhiro Maeda
IPC分类号： B01J20/30
CPC分类号： B01J20/30 , C08F2/18 , C08F2/32 , C08F220/06 , C08F220/56
摘要： A method for producing a water-absorbent resin comprising at least two stages of reversed-phase suspension polymerization, wherein the first stage of the at least two stages of reversed-phase suspension polymerization comprises the following steps of: (A) performing a primary dispersion by stirring to mix in the absence of surfactants an aqueous solution of a water-soluble ethylenically unsaturated monomer containing a hydrophilic polymeric dispersion agent with a petroleum hydrocarbon dispersion medium in which a hydrophobic polymeric dispersion agent dissolves or disperses; (B) further performing a secondary dispersion by adding a surfactant to the resultant dispersion liquid; and (C) performing a polymerization by using a water-soluble radical polymerization initiator to obtain a water-absorbent resin as particles in a hydrous gel state which disperse in the petroleum hydrocarbon dispersion medium, and a water-absorbent resin obtained by the method.
摘要翻译：一种制备吸水性树脂的方法，其包含至少两个阶段的反相悬浮聚合，其中所述至少两个阶段的反相悬浮聚合的第一阶段包括以下步骤：（A）进行一次分散通过搅拌在不存在表面活性剂的情况下将含有亲水性聚合物分散剂的水溶性烯属不饱和单体的水溶液与疏水性聚合物分散剂溶解或分散的石油烃分散介质混合; （B）通过向所得分散液中加入表面活性剂进一步进行二次分散; 和（C）通过使用水溶性自由基聚合引发剂进行聚合，得到作为分散在石油烃分散介质中的含水凝胶状态的颗粒的吸水性树脂和通过该方法获得的吸水性树脂。

7. 发明授权

US08841395B2 Method for producing a water-absorbent resin 有权
标题翻译：吸水性树脂的制造方法
公开(公告)号：US08841395B2
公开(公告)日：2014-09-23
申请号：US13812612
申请日：2011-07-20
申请人： Hideki Yokoyama , Sachi Kikuno , Atsushi Heguri , Nobuhiro Maeda
发明人： Hideki Yokoyama , Sachi Kikuno , Atsushi Heguri , Nobuhiro Maeda
IPC分类号： C08F2/18 , C08F220/06 , C08F2/32 , B01J20/26 , C08F2/10
CPC分类号： C08F2/10 , B01J20/261 , C08F2/18 , C08F2/32 , C08F220/06 , C08F222/1006
摘要： The present invention provides a method for producing a water-absorbent resin by a reversed-phase suspension polymerization method, wherein an odor originating from a raw material component, in particular, a petroleum hydrocarbon dispersion medium, was reduced, and a water-absorbent resin obtained by the method. More specifically, the present invention provides a method for producing a water-absorbent resin comprising performing a reversed-phase suspension polymerization of a water-soluble ethylenically unsaturated monomer in a petroleum hydrocarbon dispersion medium by using a surfactant, wherein an aqueous solution of the water-soluble ethylenically unsaturated monomer is dispersed in the dispersion medium at a specific pouring rate to reduce an odor, and a water-absorbent resin obtained by the method, are provided.
摘要翻译：本发明提供一种通过反相悬浮聚合法制造吸水性树脂的方法，其中来自原料成分，特别是石油烃分散介质的气味被还原，并且吸水性树脂通过该方法获得。更具体地说，本发明提供一种吸水性树脂的制造方法，其包括使用表面活性剂在石油烃分散介质中进行水溶性烯属不饱和单体的反相悬浮聚合，其中，水的水溶液可溶性烯属不饱和单体以特定的浇注速率分散在分散介质中以降低气味，并提供通过该方法获得的吸水性树脂。

8. 发明授权

US08859700B2 Method for producing a water-absorbent resin 有权
标题翻译：吸水性树脂的制造方法
公开(公告)号：US08859700B2
公开(公告)日：2014-10-14
申请号：US13812695
申请日：2011-07-20
申请人： Hideki Yokoyama , Sachi Kikuno , Atsushi Heguri , Nobuhiro Maeda
发明人： Hideki Yokoyama , Sachi Kikuno , Atsushi Heguri , Nobuhiro Maeda
IPC分类号： C08F2/20 , C08F2/32 , A61L15/24 , C08F2/18 , C08F2/00 , C08F220/06 , A61L15/60 , C08F2/10 , C08F2/24 , C08F4/04 , C08L33/08
CPC分类号： C08F2/10 , A61L15/24 , A61L15/60 , C08F2/001 , C08F2/18 , C08F2/20 , C08F2/24 , C08F2/32 , C08F4/04 , C08F220/06 , C08L33/08 , Y10S526/91 , Y10S526/911
摘要： A method for producing a water-absorbent resin having a further reduced odor as compared with a water-absorbent resin obtained by a conventional method as well as a water-absorbent resin produced by the same method, by maintaining the addition rate V from the pouring nozzle for the aqueous solution of the water-soluble ethylenically unsaturated monomer in a polymerization reaction tank not more than 0.30 [min−1], in the first stage polymerization step which is within the step of the conventional method upon performing multi-stages such as two or more stages of reversed-phase suspension polymerizations in a method for producing a water-absorbent resin, and thereby by being able to reduce the amount of the petroleum hydrocarbon dispersion medium remaining in the above water-absorbent resin.
摘要翻译：与通过常规方法获得的吸水性树脂相比，具有进一步降低气味的吸水性树脂的制造方法以及通过相同方法制备的吸水性树脂，通过保持来自浇注的添加率V 在聚合反应槽中的水溶性烯键式不饱和单体的水溶液的喷嘴在不大于0.30 [min -1]的情况下，在第一阶段聚合步骤中，在进行多阶段的步骤中的第一阶段聚合步骤，例如在吸水性树脂的制造方法中，由于能够减少残留在上述吸水性树脂中的石油烃分散介质的量，反相悬浮聚合的两个阶段或更多阶段。

9. 发明申请

US20140179886A1 METHOD FOR PRODUCING A WATER-ABSORBENT RESIN 有权
标题翻译：生产吸水树脂的方法
公开(公告)号：US20140179886A1
公开(公告)日：2014-06-26
申请号：US14125818
申请日：2011-07-20
申请人： Hideki Yokoyama , Atsushi Heguri , Nobuhiro Maeda
发明人： Hideki Yokoyama , Atsushi Heguri , Nobuhiro Maeda
IPC分类号： C08F120/06
CPC分类号： C08F120/06 , B01J20/267 , C08F2/18 , C08F2/32 , C08F220/06 , C08F220/10 , C08F220/56
摘要： A method is disclosed for producing a water-absorbent resin by a reversed-phase suspension polymerization method, wherein an odor originating from a raw material component, in particular, a petroleum hydrocarbon dispersion medium, is further reduced as compared with a water-absorbent resin obtained by a conventional method, and a water-absorbent resin obtained by the method. More specifically, a method is disclosed for producing a water-absorbent resin by performing a reversed-phase suspension polymerization of a water-soluble ethylenically unsaturated monomer in a petroleum hydrocarbon dispersion medium, comprising adding and dispersing an aqueous solution of a water-soluble ethylenically unsaturated monomer containing a hydrophilic polymeric dispersion agent to a petroleum hydrocarbon dispersion medium in the presence of a surfactant under stirring, and performing a reversed-phase suspension polymerization using a radical polymerization initiator, and a water-absorbent resin obtained by the method.
摘要翻译：公开了通过反相悬浮聚合法制造吸水性树脂的方法，其中与原料成分，特别是石油烃分散介质相比产生的气味与吸水性树脂相比进一步降低通过常规方法获得的吸水性树脂和通过该方法获得的吸水性树脂。更具体地，公开了通过在石油烃分散介质中进行水溶性烯键式不饱和单体的反相悬浮聚合来制造吸水性树脂的方法，包括将水溶性烯键式的水溶液在表面活性剂存在下，在搅拌的同时，将含有亲水性高分子分散剂的亲水性高分子分散剂与不饱和单体反应，使用自由基聚合引发剂进行反相悬浮聚合，得到的吸水性树脂。

10. 发明申请

US20130123454A1 METHOD FOR PRODUCING A WATER-ABSORBENT RESIN 有权
标题翻译：生产吸水树脂的方法
公开(公告)号：US20130123454A1
公开(公告)日：2013-05-16
申请号：US13812612
申请日：2011-07-20
申请人： Hideki Yokoyama , Sachi Kikuno , Atsushi Heguri , Nobuhiro Maeda
发明人： Hideki Yokoyama , Sachi Kikuno , Atsushi Heguri , Nobuhiro Maeda
IPC分类号： C08F2/10
CPC分类号： C08F2/10 , B01J20/261 , C08F2/18 , C08F2/32 , C08F220/06 , C08F222/1006
摘要： The present invention provides a method for producing a water-absorbent resin by a reversed-phase suspension polymerization method, wherein an odor originating from a raw material component, in particular, a petroleum hydrocarbon dispersion medium, was reduced, and a water-absorbent resin obtained by the method. More specifically, the present invention provides a method for producing a water-absorbent resin comprising performing a reversed-phase suspension polymerization of a water-soluble ethylenically unsaturated monomer in a petroleum hydrocarbon dispersion medium by using a surfactant, wherein an aqueous solution of the water-soluble ethylenically unsaturated monomer is dispersed in the dispersion medium at a specific pouring rate to reduce an odor, and a water-absorbent resin obtained by the method, are provided.
摘要翻译：本发明提供一种通过反相悬浮聚合法制造吸水性树脂的方法，其中来自原料成分，特别是石油烃分散介质的气味被还原，并且吸水性树脂通过该方法获得。更具体地说，本发明提供一种吸水性树脂的制造方法，其包括使用表面活性剂在石油烃分散介质中进行水溶性烯属不饱和单体的反相悬浮聚合，其中，水的水溶液可溶性烯属不饱和单体以特定的浇注速率分散在分散介质中以降低气味，并且提供通过该方法获得的吸水性树脂。

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