SU160266A1 - - Google Patents
Info
- Publication number
- SU160266A1 SU160266A1 SU787667A SU787667A SU160266A1 SU 160266 A1 SU160266 A1 SU 160266A1 SU 787667 A SU787667 A SU 787667A SU 787667 A SU787667 A SU 787667A SU 160266 A1 SU160266 A1 SU 160266A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- acetic acid
- cellulose
- syrup
- ethylene oxide
- stable
- Prior art date
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 19
- 229920002678 cellulose Polymers 0.000 description 5
- 239000001913 cellulose Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 239000006188 syrup Substances 0.000 description 5
- 235000020357 syrup Nutrition 0.000 description 5
- VLTRZXGMWDSKGL-UHFFFAOYSA-N Perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 4
- IAYPIBMASNFSPL-UHFFFAOYSA-N oxane Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 4
- 229920002284 Cellulose triacetate Polymers 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 3
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2R,3R,4S,5R,6S)-4,5-diacetyloxy-3-[(2S,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2R,3R,4S,5R,6S)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- CWSZBVAUYPTXTG-UHFFFAOYSA-N 5-[6-[[3,4-dihydroxy-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxymethyl]-3,4-dihydroxy-5-[4-hydroxy-3-(2-hydroxyethoxy)-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxyoxan-2-yl]oxy-6-(hydroxymethyl)-2-methyloxane-3,4-diol Chemical compound O1C(CO)C(OC)C(O)C(O)C1OCC1C(OC2C(C(O)C(OC)C(CO)O2)OCCO)C(O)C(O)C(OC2C(OC(C)C(O)C2O)CO)O1 CWSZBVAUYPTXTG-UHFFFAOYSA-N 0.000 description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 2
- 238000006640 acetylation reaction Methods 0.000 description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229940081735 acetylcellulose Drugs 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU160266A1 true SU160266A1 (ja) |
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5094854B2 (ja) | パルプの反応性の強化 | |
| DK2984127T3 (en) | Polysaccharide films and process for their preparation | |
| CN110088140A (zh) | 纤维素纺织品的再循环 | |
| US20060287517A1 (en) | Preparation of wood pulps with caustic pretreatment for use in the manufacture of cellulose acetates and other organic esters | |
| US4270914A (en) | Process for controlling hemicellulose concentration during the mercerization of cellulose | |
| EP2397501A1 (en) | Method for producing cellulose diacetate from bamboo fibers | |
| CN106567137B (zh) | 一种红麻原麻纤维脱胶方法 | |
| CA2568594A1 (en) | Method for producing a dissovling pulp | |
| SU160266A1 (ja) | ||
| EP3093389B1 (en) | Dissolving pulp | |
| FI125891B (en) | Process for the treatment of cellulose and alkali solutions obtained from the treatment of cellulose | |
| KR100323253B1 (ko) | 고강도, 고탄성을 가진 키토산 섬유 | |
| JPS6234053B2 (ja) | ||
| US2074339A (en) | Preparation of cellulosic material | |
| US2068631A (en) | Preparation of cellulose xanthate solutions | |
| US1854331A (en) | Producing pure cellulose from cellulosic raw materials | |
| RU2609803C1 (ru) | Способ повышения качества и реакционной способности целлюлозы | |
| RU2684020C1 (ru) | Способ активации целлюлозы методом парового взрыва в щелочной среде | |
| CN110820333B (zh) | 一种提高柞蚕丝纤维强度的制备方法 | |
| CN115637605B (zh) | 一种莱赛尔溶解浆及其制备方法 | |
| US2592746A (en) | Process of making alkali cellulose | |
| DE4440245C1 (de) | Verfahren zur Herstellung von Hydroxyalkylcelluloseethern mit einem Substitutionsgrad DS<2 | |
| CH529863A (fr) | Dispositif pour la récupération et l'évacuation de la fausse lisière dans un métier à tisser sans navette | |
| RU2009278C1 (ru) | Способ подготовки льняной ровницы к мокрому прядению | |
| US1733393A (en) | Removal of caustic soda soluble substances from cellulose-containing materials |