RO88607B1 - Procedeu de fabricare a carboximetilcelulozei de sodiu - Google Patents
Procedeu de fabricare a carboximetilcelulozei de sodiuInfo
- Publication number
- RO88607B1 RO88607B1 RO114049A RO11404984A RO88607B1 RO 88607 B1 RO88607 B1 RO 88607B1 RO 114049 A RO114049 A RO 114049A RO 11404984 A RO11404984 A RO 11404984A RO 88607 B1 RO88607 B1 RO 88607B1
- Authority
- RO
- Romania
- Prior art keywords
- sodium carboxymethylcellulose
- molar ratio
- manufacturing sodium
- deciduous
- foils
- Prior art date
Links
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 title abstract 2
- 239000001768 carboxy methyl cellulose Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 title abstract 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 title abstract 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000001913 cellulose Substances 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 239000011888 foil Substances 0.000 abstract 1
- FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 abstract 1
- 239000011122 softwood Substances 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
Procedeul de fabricare a carboximetilcelulozei de sodiu, conform inventiei, consta în tratarea cu solutie de NaOH cu concentratie de 225 ... 250 g/l, a deseurilor de celuloza sub forma de folii, regenerate si maruntite la dimensiuni de pâna la 10 mm, separat sau în amestec cu celuloza de foioase si/sau rasinoase. într-un raport molar de 1,3 ... 1,5 fata de materia prima, la temperatura de 20 ... 30 degree C, dupa care se adauga monocloracetat de sodiu într-un raport molar de 1,2 ... 1,3 fata de materia produsului final uscându-se simacinându-se în mod în sine cunoscut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO114049A RO88607B1 (ro) | 1984-03-24 | 1984-03-24 | Procedeu de fabricare a carboximetilcelulozei de sodiu |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO114049A RO88607B1 (ro) | 1984-03-24 | 1984-03-24 | Procedeu de fabricare a carboximetilcelulozei de sodiu |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO88607A2 RO88607A2 (ro) | 1986-03-31 |
| RO88607B1 true RO88607B1 (ro) | 2002-06-28 |
Family
ID=20114641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO114049A RO88607B1 (ro) | 1984-03-24 | 1984-03-24 | Procedeu de fabricare a carboximetilcelulozei de sodiu |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO88607B1 (ro) |
-
1984
- 1984-03-24 RO RO114049A patent/RO88607B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO88607A2 (ro) | 1986-03-31 |
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