EA201300802A1 - METHOD OF OBTAINING POWDER PULP - Google Patents
METHOD OF OBTAINING POWDER PULPInfo
- Publication number
- EA201300802A1 EA201300802A1 EA201300802A EA201300802A EA201300802A1 EA 201300802 A1 EA201300802 A1 EA 201300802A1 EA 201300802 A EA201300802 A EA 201300802A EA 201300802 A EA201300802 A EA 201300802A EA 201300802 A1 EA201300802 A1 EA 201300802A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- cellulose
- minutes
- cellulose powder
- grinding
- yield
- Prior art date
Links
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
Использование: порошок целлюлозы может найти применение в химической, фармацевтической, пищевой и других отраслях промышленности. Сущность изобретения: целлюлозу обрабатывают водным раствором пиросернокислого калия в течении 3 ч, при молярном соотношении вода:пиросернокислый калий:целлюлоза, равном 15,44-16,44:0,0157-0,0866:0,0185 соответственно, сушкой при температуре 100-105°С в приделах 60 мин с последующим измельчением до размеров частиц 10-320 мкм, время помола составляет 4-8 мин, в результате получен сыпучий порошок целлюлозы с выходом 97.25 вес.%. Сопо-лимеризацию порошка целлюлозы с метакриловой кислотой проводят в присутствии инициатора радикальной полимеризации персульфата аммония при температуре 70°С, время реакции 90 мин, выход сополимера составляет 97,43 вес.%. Предложенный способ активации целлюлозы является экологически чистым процессом.Usage: cellulose powder can be used in chemical, pharmaceutical, food and other industries. The essence of the invention: the cellulose is treated with an aqueous solution of potassium pyrosulphate for 3 hours, with a water: potassium phosphate: cellulose molar ratio of 15.44-16.44: 0.0157-0.0866: 0.0185, respectively, drying at 100 -105 ° C in the aisles of 60 min, followed by grinding to a particle size of 10-320 μm, the grinding time is 4-8 minutes, the result is a free-flowing cellulose powder with a yield of 97.25 wt.%. The copolymerization of cellulose powder with methacrylic acid is carried out in the presence of an initiator of the radical polymerization of ammonium persulfate at a temperature of 70 ° C, the reaction time is 90 minutes, the copolymer yield is 97.43 wt.%. The proposed method of cellulose activation is an environmentally friendly process.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EA201300802A EA024244B1 (en) | 2013-04-09 | 2013-04-09 | Process for producing cellulose powder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EA201300802A EA024244B1 (en) | 2013-04-09 | 2013-04-09 | Process for producing cellulose powder |
Publications (2)
Publication Number | Publication Date |
---|---|
EA201300802A1 true EA201300802A1 (en) | 2014-10-30 |
EA024244B1 EA024244B1 (en) | 2016-08-31 |
Family
ID=51794657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA201300802A EA024244B1 (en) | 2013-04-09 | 2013-04-09 | Process for producing cellulose powder |
Country Status (1)
Country | Link |
---|---|
EA (1) | EA024244B1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2068419C1 (en) * | 1992-12-07 | 1996-10-27 | Владимир Александрович Куничан | Method for production of powder cellulose |
FR2762603B1 (en) * | 1997-04-25 | 1999-07-16 | Rhodia Ag Rhone Poulenc | REACTIVE CELLULOSE AND PROCESS FOR PRODUCING THE SAME |
RU2152401C1 (en) * | 1999-02-25 | 2000-07-10 | Бийский технологический институт Алтайского государственного технического университета им. И.И. Ползунова | Cellulose powder production process |
EA015856B1 (en) * | 2009-03-17 | 2011-12-30 | Сумгаитский Государственный Университет (Сгу) | Method for cellulose activation |
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2013
- 2013-04-09 EA EA201300802A patent/EA024244B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EA024244B1 (en) | 2016-08-31 |
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Legal Events
Date | Code | Title | Description |
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MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ BY KZ KG TJ TM RU |