RO128509A8 - Nanofibre celulozice şi procedeu de realizare a acestora - Google Patents
Nanofibre celulozice şi procedeu de realizare a acestora Download PDFInfo
- Publication number
- RO128509A8 RO128509A8 ROA201100891A RO201100891A RO128509A8 RO 128509 A8 RO128509 A8 RO 128509A8 RO A201100891 A ROA201100891 A RO A201100891A RO 201100891 A RO201100891 A RO 201100891A RO 128509 A8 RO128509 A8 RO 128509A8
- Authority
- RO
- Romania
- Prior art keywords
- nano fibres
- making
- same
- cellulose
- fibres
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 229920002678 cellulose Polymers 0.000 title abstract 2
- 239000001913 cellulose Substances 0.000 title abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 238000004108 freeze drying Methods 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
Invenţia se referă la nanofibre celulozice şi la un procedeu pentru obţinerea acestora. Nanofibrele conform invenţiei sunt sub formă pulverulentă, cu un diametru de 10...60 nm şi factor de formă 10...50, cu un grad de cristalinitate de minimum 80%. Procedeul conform invenţiei constă în tratarea unei dispersii apoase, de concentraţie 20...50%, de sursă celulozică, cu acid sulfuric de concentraţie 95...98%, la început la temperatura camerei, şi apoi la o temperatură de până la 70°C, sub agitare continuă la o viteză de 300...1500 rpm, apoi suspensia de nanofibre celulozice rezultată se spală până laH de minimum 4, şi se usucă prin liofilizare, rezultând nanofibre celulozice uscate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ROA201100891A RO128509A8 (ro) | 2011-09-12 | 2011-09-12 | Nanofibre celulozice şi procedeu de realizare a acestora |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ROA201100891A RO128509A8 (ro) | 2011-09-12 | 2011-09-12 | Nanofibre celulozice şi procedeu de realizare a acestora |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| RO128509A2 RO128509A2 (ro) | 2013-06-28 |
| RO128509B1 RO128509B1 (ro) | 2015-02-27 |
| RO128509B8 RO128509B8 (ro) | 2015-05-29 |
| RO128509A8 true RO128509A8 (ro) | 2015-05-29 |
Family
ID=48667396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ROA201100891A RO128509A8 (ro) | 2011-09-12 | 2011-09-12 | Nanofibre celulozice şi procedeu de realizare a acestora |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO128509A8 (ro) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3106777A1 (en) * | 2018-07-19 | 2020-02-27 | Kemira Oyj | Granular cellulose product |
-
2011
- 2011-09-12 RO ROA201100891A patent/RO128509A8/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO128509A2 (ro) | 2013-06-28 |
| RO128509B8 (ro) | 2015-05-29 |
| RO128509B1 (ro) | 2015-02-27 |
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