NO303339B1 - FramgangsmÕte for kontinuerlig tilvirkning av mikrokrystallisk chitosan - Google Patents
FramgangsmÕte for kontinuerlig tilvirkning av mikrokrystallisk chitosan Download PDFInfo
- Publication number
- NO303339B1 NO303339B1 NO910707A NO910707A NO303339B1 NO 303339 B1 NO303339 B1 NO 303339B1 NO 910707 A NO910707 A NO 910707A NO 910707 A NO910707 A NO 910707A NO 303339 B1 NO303339 B1 NO 303339B1
- Authority
- NO
- Norway
- Prior art keywords
- reactor
- chitosan
- microcrystalline chitosan
- solution
- dispersion
- Prior art date
Links
- 229920001661 Chitosan Polymers 0.000 title claims description 95
- 238000000034 method Methods 0.000 title claims description 30
- 238000010924 continuous production Methods 0.000 title claims description 5
- 239000000243 solution Substances 0.000 claims description 56
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 51
- 239000006185 dispersion Substances 0.000 claims description 36
- 229920000642 polymer Polymers 0.000 claims description 20
- 238000000746 purification Methods 0.000 claims description 15
- 239000007864 aqueous solution Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 claims description 8
- 239000011541 reaction mixture Substances 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 8
- 239000011260 aqueous acid Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 239000012670 alkaline solution Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 150000007522 mineralic acids Chemical class 0.000 claims description 4
- 150000007524 organic acids Chemical class 0.000 claims description 4
- 238000000108 ultra-filtration Methods 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims 3
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 33
- 239000000047 product Substances 0.000 description 23
- 238000004519 manufacturing process Methods 0.000 description 15
- 238000009434 installation Methods 0.000 description 10
- 230000000737 periodic effect Effects 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 4
- 230000006196 deacetylation Effects 0.000 description 3
- 238000003381 deacetylation reaction Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000010306 acid treatment Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI893223A FI83426C (fi) | 1989-06-30 | 1989-06-30 | Foerfarande foer kontinuerlig framstaellning av mikrokristallin kitosan. |
| PCT/FI1990/000173 WO1991000298A1 (en) | 1989-06-30 | 1990-07-02 | Method for continuous manufacture of microcrystalline chitosan |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO910707D0 NO910707D0 (no) | 1991-02-22 |
| NO910707L NO910707L (no) | 1991-02-22 |
| NO303339B1 true NO303339B1 (no) | 1998-06-29 |
Family
ID=8528702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO910707A NO303339B1 (no) | 1989-06-30 | 1991-02-22 | FramgangsmÕte for kontinuerlig tilvirkning av mikrokrystallisk chitosan |
Country Status (4)
| Country | Link |
|---|---|
| FI (1) | FI83426C (fi) |
| NO (1) | NO303339B1 (fi) |
| RU (1) | RU2046800C1 (fi) |
| WO (1) | WO1991000298A1 (fi) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI93687C (fi) * | 1992-07-29 | 1995-05-26 | Novasso Oy | Menetelmä siementen päällystämiseksi |
| FI95207C (fi) * | 1992-09-14 | 1996-01-10 | Novasso Oy | Haavansuojaside |
| FI107432B (fi) * | 1997-02-06 | 2001-08-15 | Novasso Oy | Mikrokiteisen kitosaanin käyttö |
| ES2217790T3 (es) * | 1998-07-30 | 2004-11-01 | Vital Living, Inc. | Composiciones liquidas que contienen quitosan y metodos para su preparacion y uso. |
| FI982291A (fi) * | 1998-10-23 | 2000-04-24 | Novasso Oy | Aine kolesterolin sekä lipidien pitoisuuden alentamiseksi |
| AU5878600A (en) * | 1999-06-25 | 2001-01-31 | E-Nutriceuticals, Inc. | Novel chitosan-containing liquid compositions and methods for their preparation and use |
| US6740752B2 (en) | 2000-05-12 | 2004-05-25 | The Procter & Gamble Company | Process for preparing chitosan particles |
| PL340132A1 (en) * | 2000-05-12 | 2001-11-19 | Procter & Gamble | Method of obtaining modified microcrystalline chitosamine |
| US7482019B2 (en) * | 2002-01-09 | 2009-01-27 | Abbott Laboratories | Methods of producing modified microcrystalline chitosan and uses therefor |
| PL196686B1 (pl) * | 2002-02-07 | 2008-01-31 | Abbott Lab De Costa Rica Ltd | Sposób oczyszczania chitozanu z białek |
| US20040176477A1 (en) * | 2003-03-06 | 2004-09-09 | The Procter & Gamble Company | Chitosan powder |
| WO2004087307A1 (fr) * | 2003-03-31 | 2004-10-14 | Boris Olegovich Maier | Produit a base de chitosane, son procede de preparation, procede de preparation de derives dudit produit a base de chitosane et compositions a base de ceux-ci. |
| CN100572399C (zh) * | 2006-09-19 | 2009-12-23 | 宁波新芝生物科技股份有限公司 | 一种超微化几丁聚糖产品的加工方法 |
| AT506334B1 (de) | 2008-01-22 | 2010-12-15 | Chemiefaser Lenzing Ag | Verfahren zur behandlung cellulosischer formkörper |
| ES2502444T3 (es) | 2010-03-25 | 2014-10-03 | Lenzing Aktiengesellschaft | Uso de una fibra de celulosa |
| GB201309606D0 (en) * | 2013-05-29 | 2013-07-10 | Medtrade Products Ltd | Process for producing low endotoxin chitosan |
| GB201309607D0 (en) * | 2013-05-29 | 2013-07-10 | Medtrade Products Ltd | Process for producing low endotoxin chitosan |
| RU2627540C1 (ru) * | 2016-04-14 | 2017-08-08 | Сергей Вадимович Левитин | Способ получения нанокристаллитов низкомолекулярного хитозана |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0780921B2 (ja) * | 1987-01-23 | 1995-08-30 | ダイセル化学工業株式会社 | 微結晶キトサンおよびその製造方法 |
-
1989
- 1989-06-30 FI FI893223A patent/FI83426C/fi not_active IP Right Cessation
-
1990
- 1990-07-02 WO PCT/FI1990/000173 patent/WO1991000298A1/en unknown
- 1990-07-02 RU SU904894886A patent/RU2046800C1/ru active
-
1991
- 1991-02-22 NO NO910707A patent/NO303339B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI893223A0 (fi) | 1989-06-30 |
| FI83426C (fi) | 1991-07-10 |
| NO910707D0 (no) | 1991-02-22 |
| WO1991000298A1 (en) | 1991-01-10 |
| FI893223A (fi) | 1990-12-31 |
| RU2046800C1 (ru) | 1995-10-27 |
| NO910707L (no) | 1991-02-22 |
| FI83426B (fi) | 1991-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN JANUARY 2003 |