RU93040296A - METHOD OF OBTAINING SULFOCATIONITA - Google Patents

METHOD OF OBTAINING SULFOCATIONITA

Info

Publication number
RU93040296A
RU93040296A RU93040296/05A RU93040296A RU93040296A RU 93040296 A RU93040296 A RU 93040296A RU 93040296/05 A RU93040296/05 A RU 93040296/05A RU 93040296 A RU93040296 A RU 93040296A RU 93040296 A RU93040296 A RU 93040296A
Authority
RU
Russia
Prior art keywords
sulfocationita
obtaining
carried out
styrene
copolymer
Prior art date
Application number
RU93040296/05A
Other languages
Russian (ru)
Other versions
RU2050367C1 (en
Inventor
В.Н. Степанов
А.С. Злобина
Н.А. Петрова
О.С. Имагулова
Original Assignee
Акционерная фирма "Токем"
Filing date
Publication date
Application filed by Акционерная фирма "Токем" filed Critical Акционерная фирма "Токем"
Priority to RU93040296/04A priority Critical patent/RU2050367C1/en
Priority claimed from RU93040296/04A external-priority patent/RU2050367C1/en
Application granted granted Critical
Publication of RU2050367C1 publication Critical patent/RU2050367C1/en
Publication of RU93040296A publication Critical patent/RU93040296A/en

Links

Claims (1)

Изобретение относится к области получения сульфированных катионитов на основе сополимера стирола и дивинилбензола. Для повышения процента целых гранул после рециклации товарного продукта набухание сополимера стирола с ДВБ проводят в дихлорэтане в присутствии 83 - 88 % - ной серной кислоты, затем при температуре 60 - 75oС добавляют олеум в течение 5 - 30 мин и проводят сульфирование.The invention relates to the field of production of sulfonated cation exchange resin based on a copolymer of styrene and divinylbenzene. To increase the percentage of whole granules after the commercial product is reclaimed, swelling of styrene copolymer with DVB is carried out in dichloroethane in the presence of 83 - 88% sulfuric acid, then oleum is added at a temperature of 60-75 ° C for 5-30 minutes and sulfonation is carried out.
RU93040296/04A 1993-08-16 1993-08-16 Method of sulfocationite preparing RU2050367C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU93040296/04A RU2050367C1 (en) 1993-08-16 1993-08-16 Method of sulfocationite preparing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU93040296/04A RU2050367C1 (en) 1993-08-16 1993-08-16 Method of sulfocationite preparing

Publications (2)

Publication Number Publication Date
RU2050367C1 RU2050367C1 (en) 1995-12-20
RU93040296A true RU93040296A (en) 1996-05-10

Family

ID=20146310

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93040296/04A RU2050367C1 (en) 1993-08-16 1993-08-16 Method of sulfocationite preparing

Country Status (1)

Country Link
RU (1) RU2050367C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2508248C1 (en) * 2012-07-25 2014-02-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Иркутский государственный технический университет" (ФГБОУ ВПО "ИрГТУ") Method of making sorbent

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