Method for production of porous cross-linked polymer material
    1.
    发明授权
    Method for production of porous cross-linked polymer material 有权
    生产多孔交联聚合物材料的方法

    公开(公告)号:US06274638B1

    公开(公告)日:2001-08-14

    申请号:US09712557

    申请日:2000-11-14

    IPC分类号: C08J928

    CPC分类号: C08J9/283 C08F2/32

    摘要: This invention is targeted at providing a method for producing a porous cross-linked polymer material excelling in absorption properties and mechanical strength in a short period of time. In the production of a porous cross-linked polymer material from an HIPE, the method of this invention is characterized by comprising a step of polymerizing the HIPE till the bromine value thereof falls to not more than 25% of the value existing prior to the polymerization and a subsequent step of after curing the porous cross-linked polymer material by means of an active energy ray or a temperature higher than the polymerization temperature.

    摘要翻译: 本发明的目的在于提供一种制造在短时间内具有优异的吸收性能和机械强度的多孔交联聚合物材料的方法。 在从HIPE生产多孔交联聚合物材料时,本发明的方法的特征在于包括使HIPE聚合直到其溴值下降到聚合之前存在的值的25%以下的步骤 以及随后通过活性能量射线或高于聚合温度的温度固化多孔交联聚合物材料的步骤。

    Method for production of porous cross-linked poymer
    2.
    发明授权
    Method for production of porous cross-linked poymer 有权
    多孔交联聚合物的生产方法

    公开(公告)号:US06395792B1

    公开(公告)日:2002-05-28

    申请号:US09689350

    申请日:2000-10-12

    IPC分类号: C08J928

    摘要: An object of this invention is to provide a method for the production of a porous cross-linked polymer, which permits the polymerization (curing) of a water in oil type high internal phase emulsion (HIPE) in such an exceptionally brief time as not more than 30 minutes, preferably not more than 10 minutes without impairing the stability of the HIPE. The object of this invention mentioned above can be accomplished by a method for the production of a porous cross-linked polymer which comprises steps of mixing an oil phase containing a polymerizing monomer, a cross-linking monomer, and a surfactant as essential components with a water phase containing water as an essential component thereby obtaining a water in oil type high internal phase emulsion and heating said emulsion to a prescribed curing temperature thereby polymerizing the emulsion, wherein said emulsion is formed in a thickness of not more than 50 mm and the temperature-increasing rate of the emulsion is not less than 5° C./minute.

    摘要翻译: 本发明的目的是提供一种生产多孔交联聚合物的方法,其允许在非常短的时间内将油包水型高内相乳液(HIPE)中的聚合(固化)不再多 超过30分钟,优选不超过10分钟,而不损害HIPE的稳定性。 上述本发明的目的可以通过生产多孔交联聚合物的方法来实现,该方法包括以下步骤:将含有聚合单体的油相,交联单体和表面活性剂作为必需组分混合, 水相作为必要成分,由此获得油包水型高内相乳液,并将所述乳液加热到规定的固化温度,从而使乳液聚合,其中所述乳液的形成厚度不大于50mm,温度 - 乳液的增加速度不低于5℃/分钟。

    Method for production of porous cross-linked polymer
    3.
    发明授权
    Method for production of porous cross-linked polymer 有权
    生产多孔交联聚合物的方法

    公开(公告)号:US06362243B1

    公开(公告)日:2002-03-26

    申请号:US09658171

    申请日:2000-09-08

    IPC分类号: C08J928

    摘要: This invention has for an object thereof the provision of a method for the production of a porous cross-linked polymer which can freely control the upper and lower surface behavior of the porous cross-linked polymer, the width and the thickness of the polymer and can perform continuously a process ranting from a step of supplying the emulsion through a step of polymerizing it. The object of this invention, in the production of a porous cross-linked polymer by polymerizing a water-in-oil type high internal phase emulsion, is accomplished by a method for the production of a porous cross-linked polymer characterized by performing continuously a process ranting from a step of supplying the emulsion through a step of polymerizing it while having the outer surface part of the emulsion retain an atmosphere or a state having a lower oxygen content than the ambient air.

    摘要翻译: 本发明的目的在于提供一种生产多孔交联聚合物的方法,其可以自由地控制多孔交联聚合物的上下表面行为,聚合物的宽度和厚度以及可以 不断进行从乳液供给步骤到通过聚合步骤的工序。本发明的目的是通过聚合油包水型高内相乳液来生产多孔交联聚合物是 通过生产多孔交联聚合物的方法实现,其特征在于连续进行从供给乳液的步骤的过程,该步骤通过使乳液的外表面部分保持气氛或具有 比环境空气低的氧含量。

    Method for production of porous material
    4.
    发明授权
    Method for production of porous material 有权
    多孔材料的生产方法

    公开(公告)号:US06323250B1

    公开(公告)日:2001-11-27

    申请号:US09712558

    申请日:2000-11-14

    IPC分类号: C08J928

    CPC分类号: C08F2/32

    摘要: An object of this invention is to provide a method for the production of a porous material by polymerizing a water-in-oil type high internal phase emulsion in a briefer time than a conventional technique without impairing the stability of the emulsion. The object of this invention can be accomplished by a method for the production of a porous material comprising a step of polymerizing a water-in-oil type high internal phase emulsion containing a polymerization initiator, wherein the polymerization initiator is a redox type initiator combining an oil-soluble oxidizing agent and a reducing agent, either of the oil-soluble oxidizing agent or the reducing agent is preparatorily added to form the emulsion, and thereafter the remainder of the reducing agent or the oil-soluble oxidizing agent is added to the emulsion to polymerize the added emulsion.

    摘要翻译: 本发明的目的是提供一种通过在比传统技术更短的时间内将油包水型高内相乳液聚合而不损害乳液的稳定性来生产多孔材料的方法。 本发明的目的可以通过一种生产多孔材料的方法来实现,该方法包括使包含聚合引发剂的油包水型高内相乳液聚合的步骤,其中聚合引发剂是氧化还原型引发剂, 油溶性氧化剂和还原剂,油溶性氧化剂或还原剂中的任一种被预先加入以形成乳液,然后将剩余的还原剂或油溶性氧化剂加入到乳液中 以使所加入的乳液聚合。

    Method for production of porous material
    5.
    发明授权
    Method for production of porous material 有权
    多孔材料的生产方法

    公开(公告)号:US06395793B1

    公开(公告)日:2002-05-28

    申请号:US09712723

    申请日:2000-11-14

    IPC分类号: C08J928

    CPC分类号: C08F2/32 C08J2201/028

    摘要: An object of this invention is to provide a method for the production of a porous material by polymerizing a water-in-oil type high internal phase emulsion in a briefer time than a conventional technique without impairing the stability of the emulsion. The object of this invention can be accomplished by a method for the production of a porous material comprising a step of polymerizing a water-in-oil type high internal phase emulsion containing a polymerization initiator, wherein the polymerization initiator is a redox type initiator combining a water-soluble oxidizing agent and a reducing agent, the reducing agent is preparatorily added to form the emulsion, and thereafter the water-soluble oxidizing agent is added to the emulsion to polymerize the added emulsion.

    摘要翻译: 本发明的目的是提供一种通过在比传统技术更短的时间内将油包水型高内相乳液聚合而不损害乳液的稳定性来生产多孔材料的方法。 本发明的目的可以通过一种生产多孔材料的方法来实现,该方法包括使含有聚合引发剂的油包水型高内相乳液聚合的步骤,其中聚合引发剂是氧化还原型引发剂, 水溶性氧化剂和还原剂,预先添加还原剂以形成乳液,然后将水溶性氧化剂加入到乳液中以使所加入的乳液聚合。

    Method for producing water absorbent resin
    7.
    发明申请
    Method for producing water absorbent resin 有权
    吸水树脂的制造方法

    公开(公告)号:US20110319518A1

    公开(公告)日:2011-12-29

    申请号:US13254573

    申请日:2010-03-04

    IPC分类号: C08F301/00 C08F2/46

    摘要: The present invention is a method for producing a water absorbent resin which method is a method for producing surface cross-linked water absorbent resin particles, the method including the successive steps of: (a) adding a surface cross-linking agent and water to a particulate water absorbent resin in a mixer; and (b) reacting the resulting water absorbent resin mixture taken out from the mixer with the surface cross-linking agent in a reactor by heating or active energy ray irradiation, water vapor being used as part or all of the water added in the mixer. This makes it possible to provide a method for producing a water absorbent resin in which method a surface cross-linked water absorbent resin that has excellent properties can be obtained efficiently at low cost with high productivity.

    摘要翻译: 本发明是一种吸水性树脂的制造方法,其为表面交联型吸水性树脂粒子的制造方法,该方法包括以下连续步骤:(a)将表面交联剂和水加入到 混合器中的颗粒状吸水性树脂; 和(b)通过加热或活性能量射线照射将从混合器中取出的所得吸水性树脂混合物与表面交联剂反应在反应器中,使用水蒸气作为混合器中加入的部分或全部水。 这使得可以提供一种制造吸水性树脂的方法,其中可以以低成本有效地以高生产率获得具有优异性能的表面交联吸水性树脂的方法。

    Production method of water-absorbent resin
    8.
    发明申请
    Production method of water-absorbent resin 有权
    吸水树脂的生产方法

    公开(公告)号:US20060167198A1

    公开(公告)日:2006-07-27

    申请号:US11336312

    申请日:2006-01-20

    IPC分类号: C08F220/06

    摘要: A production method of a water-absorbent resin includes the steps of: obtaining a hydrogel by supplying monomer liquid to a reaction device so that the monomer liquid is polymerized; and detaching the hydrogel from the reaction device, wherein the reaction device's surface in contact with the monomer liquid at a position where polymerization occurs is made of a fluororesin having a melt viscosity of less than 1×108 poise at 380° C. On this account, it is possible to obtain a water-absorbent resin having less amounts of an extractable content with high productivity and it is possible to carry out continuous production for an extended period of time.

    摘要翻译: 吸水性树脂的制造方法包括以下步骤:通过向反应装置供给单体液体以使单体液体聚合而获得水凝胶; 并且从反应装置中分离出水凝胶,其中反应装置在聚合发生的位置与单体液体接触的表面由熔体粘度小于1×10 8的氟树脂制成,380 ℃。因此,可以以高生产率获得具有较少量的可萃取物质的吸水性树脂,并且可以长时间地进行连续生产。

    Production method of water-absorbent resin
    9.
    发明授权
    Production method of water-absorbent resin 有权
    吸水树脂的生产方法

    公开(公告)号:US08513364B2

    公开(公告)日:2013-08-20

    申请号:US11336312

    申请日:2006-01-20

    IPC分类号: C08F20/06

    摘要: A production method of a water-absorbent resin includes the steps of: obtaining a hydrogel by supplying monomer liquid to a reaction device so that the monomer liquid is polymerized; and detaching the hydrogel from the reaction device, wherein the reaction device's surface in contact with the monomer liquid at a position where polymerization occurs is made of a fluororesin having a melt viscosity of less than 1×108 poise at 380° C. On this account, it is possible to obtain a water-absorbent resin having less amounts of an extractable content with high productivity and it is possible to carry out continuous production for an extended period of time.

    摘要翻译: 吸水性树脂的制造方法包括以下步骤:通过向反应装置供给单体液体以使单体液体聚合而获得水凝胶; 并从反应装置中分离出水凝胶,其中反应装置在聚合发生位置与单体液体接触的表面由熔融粘度在380℃下小于1×108泊的氟树脂制成。 ,可以以高生产率获得具有较少量的可萃取物质的吸水性树脂,并且可以长时间地进行连续生产。

    Method for production of aqueous dispersion of inorganic pigment
    10.
    发明授权
    Method for production of aqueous dispersion of inorganic pigment 失效
    生产无机颜料水分散体的方法

    公开(公告)号:US4892902A

    公开(公告)日:1990-01-09

    申请号:US328687

    申请日:1989-03-27

    摘要: A method for the production of an aqueous dispersion by the dispersion of an inorganic pigment such as calcium carbonate and aluminum hydroxide in an aqueous medium, which method comprises incorporating in said inorganic pigment as a dispersant a carboxyl group-containing water-soluble polymer possessing a number average molecular weight in the range of 2,000 to 80,000 and/or a water-soluble condensed phospate and a water-soluble anionic modified polyvinyul alcohol possessing a polymerization degree in the range of 30 to 700, a saponification degree in the range of 30 to 100 mol %, and an anionic modification degree in the range of 0.5 to 20 mol %.

    摘要翻译: 通过在水性介质中分散无机颜料如碳酸钙和氢氧化铝来制备水性分散体的方法,该方法包括将作为分散剂的所述无机颜料掺入含羧基的水溶性聚合物中,所述聚合物具有 数均分子量为2000〜80,000,和/或水溶性缩合磷酸酯和水溶性阴离子改性聚乙烯醇,其聚合度为30〜700,皂化度为30〜 100摩尔%,阴离子改性度为0.5〜20摩尔%。