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RU2002111890A - The method of producing gel-like cation exchangers and their use in processing and purification methods - Google Patents

The method of producing gel-like cation exchangers and their use in processing and purification methods

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Publication number
RU2002111890A
RU2002111890A RU2002111890/04A RU2002111890A RU2002111890A RU 2002111890 A RU2002111890 A RU 2002111890A RU 2002111890/04 A RU2002111890/04 A RU 2002111890/04A RU 2002111890 A RU2002111890 A RU 2002111890A RU 2002111890 A RU2002111890 A RU 2002111890A
Authority
RU
Russia
Prior art keywords
mixture
monomers
seed polymer
cross
gel
Prior art date
Application number
RU2002111890/04A
Other languages
Russian (ru)
Other versions
RU2293061C2 (en
Inventor
Клаудиа ШМИД
Вольфганг Подсцун
Рюдигер Зайдель
Райнхольд Клиппер
Ральф-Юрген БОРН
Олаф Халле
Ульрих ШНЕГГ
Original Assignee
Байер Акциенгезелльшафт
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE10122896A external-priority patent/DE10122896A1/en
Application filed by Байер Акциенгезелльшафт filed Critical Байер Акциенгезелльшафт
Publication of RU2002111890A publication Critical patent/RU2002111890A/en
Application granted granted Critical
Publication of RU2293061C2 publication Critical patent/RU2293061C2/en

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Claims (11)

1. Способ получения гелеобразных катионитов затравочно-приточным методом, отличающийся тем, что а) в водной суспензии получают сшитый полистирол в форме гранул, содержащий 3,5-7 мас.% сшивающего агента, в качестве затравочного полимера, b) оставляют набухать затравочный полимер в смеси мономеров из винилового мономера, сшивающего агента и радикал-инициатора, c) полимеризуют смесь мономеров в затравочном полимере, и d) функционализируют полученный сополимер сульфированием.1. The method of producing gel-like cation exchangers by the seed-supply method, characterized in that a) in an aqueous suspension, cross-linked polystyrene is obtained in the form of granules containing 3.5-7 wt.% A cross-linking agent as a seed polymer, b) the seed polymer is allowed to swell in a mixture of monomers from a vinyl monomer, a crosslinking agent and an initiator radical, c) a mixture of monomers is polymerized in a seed polymer, and d) the resulting copolymer is functionalized by sulfonation. 2. Способ по п.1, отличающийся тем, что сшитый полистирол в форме гранул на стадии а) способа имеет распределение величины частиц, при котором соотношение значения 90% и значения 10% функции распределения объемов составляет менее чем 2.2. The method according to claim 1, characterized in that the cross-linked polystyrene in the form of granules in stage a) of the method has a particle size distribution in which the ratio of the value of 90% and the value of 10% of the volume distribution function is less than 2. 3. Способ по п.1, отличающийся тем, что затравочный полимер является микрокапсулированным.3. The method according to claim 1, characterized in that the seed polymer is microencapsulated. 4. Способ по п.1, отличающийся тем, что содержание сшивающего агента в смеси мономеров на стадии b) способа составляет 5-20 мас.%4. The method according to claim 1, characterized in that the content of the crosslinking agent in the mixture of monomers in stage b) of the method is 5-20 wt.% 5. Способ по п.1, отличающийся тем, что виниловый мономер на стадии b) способа является смесью из 88-98 мас.% стирола и 2-12 мас.% акрилового мономера.5. The method according to claim 1, characterized in that the vinyl monomer in step b) of the method is a mixture of 88-98 wt.% Styrene and 2-12 wt.% Acrylic monomer. 6. Способ по п.5, отличающийся тем, что акриловым мономером является акрилонитрил.6. The method according to claim 5, characterized in that the acrylic monomer is acrylonitrile. 7. Способ по п.1, отличающийся тем, что радикал-инициатором является алифатический сложный эфир перкислоты.7. The method according to claim 1, characterized in that the radical initiator is an aliphatic peracid ester. 8. Способ по п.1, отличающийся тем, что полимеризацию на стадии с) способа проводят в широком спектре температур 50-150°С.8. The method according to claim 1, characterized in that the polymerization in stage c) of the method is carried out in a wide range of temperatures of 50-150 ° C. 9. Способ по п.1, отличающийся тем, что смесь мономеров на стадии b) способа содержит смесь, по крайней мере, двух различных радикал-инициаторов.9. The method according to claim 1, characterized in that the mixture of monomers in stage b) of the method contains a mixture of at least two different radical initiators. 10. Гелеобразные катиониты, получаемые затравочно-приточным методом посредством a) получения водной суспензии сшитого полистирола в форме гранул, содержащего 3,5-7 мас.% сшивающего агента, в качестве затравочного полимера, b) набухания затравочного полимера в смеси мономеров из винилового мономера, сшивающего агента и радикал-инициатора, c) полимеризации смеси мономеров в затравочном полимере и d) функционализации образованного сополимера сульфированием.10. Gel-like cation exchangers obtained by the seed-supply method by a) obtaining an aqueous suspension of cross-linked polystyrene in the form of granules containing 3.5-7 wt.% A cross-linking agent as a seed polymer, b) swelling of the seed polymer in a mixture of vinyl monomer monomers , a crosslinking agent and an initiator radical; c) polymerizing the mixture of monomers in the seed polymer; and d) functionalizing the formed copolymer by sulfonation. 11. Применение гелеобразных катионитов по п.10 для удаления катионов, красящих частиц или органических компонентов из водных или органических растворов и конденсатов, для отверждения в нейтральном обмене водных или органических растворов и конденсатов, для очистки и обработки вод химической промышленности, электронной промышленности и из электростанций, для полного мягчения водных растворов и/или конденсатов, отличающееся тем, что катионты используют в комбинации с гелеобразными и/или макропористыми анионитами, для обесцвечивания и обессоливания сывороток, жидких бульонов на желатине, фруктовых соков, плодово-ягодных вин и водных растворов сахара, в форме тонко измельченного порошка самостоятельно или, при необходимости, в смеси с сильноосновными анионитами для фильтрации или обессоливания вод, например, конденсатов, или в гидрометаллургии.11. The use of gel-like cation exchangers according to claim 10 for the removal of cations, coloring particles or organic components from aqueous or organic solutions and condensates, for neutralization curing of aqueous or organic solutions and condensates, for the purification and treatment of water in the chemical industry, electronic industry and from power plants, for the complete softening of aqueous solutions and / or condensates, characterized in that the cations are used in combination with gel and / or macroporous anion exchangers for bleaching and both salting of serums, liquid broths on gelatin, fruit juices, fruit wines and aqueous solutions of sugar, in the form of finely ground powder alone or, if necessary, in a mixture with strongly basic anion exchangers for filtering or desalting water, for example, condensates, or in hydrometallurgy.
RU2002111890/04A 2001-05-11 2002-05-08 Abstract RU2293061C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10122896.1 2001-05-11
DE10122896A DE10122896A1 (en) 2001-05-11 2001-05-11 Process for the preparation of monodisperse gel-like cation exchangers

Publications (2)

Publication Number Publication Date
RU2002111890A true RU2002111890A (en) 2003-11-10
RU2293061C2 RU2293061C2 (en) 2007-02-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002111890/04A RU2293061C2 (en) 2001-05-11 2002-05-08 Abstract

Country Status (10)

Country Link
US (1) US20020195392A1 (en)
EP (1) EP1256383A3 (en)
JP (1) JP2003026829A (en)
KR (1) KR20020086293A (en)
CN (1) CN1265885C (en)
DE (1) DE10122896A1 (en)
HU (1) HUP0201589A3 (en)
MX (1) MXPA02004644A (en)
RU (1) RU2293061C2 (en)
TW (1) TWI265826B (en)

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JP2009263309A (en) * 2008-04-28 2009-11-12 Mitsubishi Chemicals Corp Condensation reaction method
JP2011098301A (en) * 2009-11-06 2011-05-19 Mitsubishi Chemicals Corp Cation exchange resin and method of producing bisphenol compound
JP2014077149A (en) * 2014-02-04 2014-05-01 Kurita Water Ind Ltd Method for producing cation exchange resin, cation exchange resin, mixed bed resin, and method for producing ultrapure water for washing electronic component material
CN106573995B (en) 2014-08-14 2019-07-09 罗门哈斯公司 Polymerization
WO2016025550A1 (en) 2014-08-14 2016-02-18 Rohm And Haas Company Polymer with releasable gas
CN111712526B (en) * 2017-11-10 2025-01-07 Ddp特种电子材料美国有限责任公司 Component addition polymerization
CN112062893B (en) * 2020-09-16 2022-03-18 浙江天顺生物科技有限公司 A kind of method and equipment of macroporous weakly acidic cation exchange resin

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