SU126265A1 - Method for producing ion exchange resins - Google Patents
Method for producing ion exchange resinsInfo
- Publication number
- SU126265A1 SU126265A1 SU627430A SU627430A SU126265A1 SU 126265 A1 SU126265 A1 SU 126265A1 SU 627430 A SU627430 A SU 627430A SU 627430 A SU627430 A SU 627430A SU 126265 A1 SU126265 A1 SU 126265A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- exchange resins
- ion exchange
- producing ion
- copolymer
- acenaphthylene
- Prior art date
Links
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Известен способ получени катионообменных смол на основе продуктов сульфировани сополимера аценафтилена и дивинилбензола.A known method of producing cation exchange resins based on the products of sulfonation of the copolymer of acenaphthylene and divinylbenzene.
Описываемый способ получени ионообменных смол по сравнению с известным способом позвол ет получать анионообменные смолы путем хлорметилировани сополимера аценафтилена с дивинилбензолом в присутствии катализатора Фридел -Крафтса с дальнейшим аминированием органическими аминами, например, триметиламином.The described method for the preparation of ion exchange resins, in comparison with the known method, makes it possible to obtain anion exchange resins by chloromethylation of a copolymer of acenaphthylene with divinylbenzene in the presence of a Friedel Crafts catalyst with further aminating with organic amines, for example, trimethylamine.
Пример 1. В реактор загружают 152 г сополимера аценафтилена с дивинилбензолом в виде гранулированного порон1ка и 300 г дихлорэтана . Смесь выдерживают 2-4 час. до достаточного набухани сололимера , после чего в колбу ввод т 136-137 г катализатора (хлористого цинка ) и 402-403 г хлорметилового эфира. При работающей мешалке смесь подогревают до 55-57 в течение 3 час. По окончании реакции хлорметилировани , хлорметилированный сополимер отфильтровывают, промывают 5% сол ной кислотой и далее водой до нейтральной реакции. Содержание хлора в ородукте около 18%. Затем берут 200 г хлорметилированного продукта и заливают в реакторе 500 г бензола дл набухани в течение примерно суток. К смеси затем добавл ют 440 мл 35Vo-HOго водного раствора триметиламина и смесь нагревают при 60° в течение 6 час. Полученный сильноосновной анионит отфильтровывают и промывают . Анионит имеет следуюш,ие характеристики: Статическа обменна емкость в мг экв1гExample 1. 152 g of copolymer of acenaphthylene with divinylbenzene in the form of granulated poron1 and 300 g of dichloroethane are loaded into the reactor. The mixture is kept for 2-4 hours. until the sololimer swells sufficiently, after which 136-137 g of catalyst (zinc chloride) and 402-403 g of chloromethyl ether are introduced into the flask. With the stirrer running, the mixture is heated to 55-57 for 3 hours. At the end of the chloromethylation reaction, the chloromethylated copolymer is filtered off, washed with 5% hydrochloric acid and then with water until neutral. The chlorine content in the product is about 18%. Then, 200 g of chloromethylated product is taken and 500 g of benzene is poured in the reactor for swelling for about a day. To the mixture is then added 440 ml of a 35Vo-HCO aqueous solution of trimethylamine and the mixture is heated at 60 ° for 6 hours. The obtained strongly basic anion exchange resin is filtered and washed. Anion exchanger has the following characteristics: Static exchange capacity in mg EQ1 g
по 0,1 н ,00.1 n, 0
То же, по 0,1 н NaCl-3,7The same, for 0.1 n NaCl-3,7
Удельный объем в мл/гSpecific volume in ml / g
в 0,1 н НС1-3,20.1 n HC1-3.2
в 0,1 и NaCl,-3,3in 0.1 and NaCl, -3.3
в воде-3,8in water is 3.8
№ 126265No. 126265
Пример 2. Синтез провод т так же, как описано в примере 1, но вместо триметиламина берут 400 мл 20% водного диметиламина и врем аминировани при температуре 60 увеличивают до 10-12 час.Example 2. The synthesis was carried out as described in Example 1, but instead of trimethylamine, 400 ml of 20% aqueous dimethylamine was taken and the time of amination at 60 was increased to 10-12 hours.
Предмет изобретени Subject invention
Способ получени ионообменных смол по авт. св. № 105382, отличающийс тем, что, с целью получени анионообменных смол, сополимер аценафтилена с дивинилбензолом подвергают хлорметилированию в присутствии катализатора Фридел -Крафтса, а затем аминируют органическими аминами, например, триметиламином.The method of obtaining ion exchange resins according to ed. St. No. 105382, characterized in that, in order to obtain anion exchange resins, the copolymer of acenaphthylene with divinylbenzene is subjected to chloromethylation in the presence of a Friedel-Crafts catalyst, and then aminated with organic amines, for example, trimethylamine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU627430A SU126265A1 (en) | 1959-05-07 | 1959-05-07 | Method for producing ion exchange resins |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU627430A SU126265A1 (en) | 1959-05-07 | 1959-05-07 | Method for producing ion exchange resins |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU105382 Addition |
Publications (1)
Publication Number | Publication Date |
---|---|
SU126265A1 true SU126265A1 (en) | 1959-11-30 |
Family
ID=48397578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU627430A SU126265A1 (en) | 1959-05-07 | 1959-05-07 | Method for producing ion exchange resins |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU126265A1 (en) |
-
1959
- 1959-05-07 SU SU627430A patent/SU126265A1/en active
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