RU95114232A - Способ получения метилоксипропилцеллюлозы - Google Patents
Способ получения метилоксипропилцеллюлозыInfo
- Publication number
- RU95114232A RU95114232A RU95114232/04A RU95114232A RU95114232A RU 95114232 A RU95114232 A RU 95114232A RU 95114232/04 A RU95114232/04 A RU 95114232/04A RU 95114232 A RU95114232 A RU 95114232A RU 95114232 A RU95114232 A RU 95114232A
- Authority
- RU
- Russia
- Prior art keywords
- cellulose
- obtaining
- methyloxypropyl
- urea
- methyloxypropyl cellulose
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title claims 6
- 239000001913 cellulose Substances 0.000 title claims 6
- -1 METHYLOXYPROPYL Chemical class 0.000 title claims 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N Diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims 2
- 239000003513 alkali Substances 0.000 claims 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N Thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims 1
- 210000003708 Urethra Anatomy 0.000 claims 1
- 230000032683 aging Effects 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 239000004202 carbamide Substances 0.000 claims 1
- 238000005517 mercerization Methods 0.000 claims 1
- 230000011987 methylation Effects 0.000 claims 1
- 238000007069 methylation reaction Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
Claims (1)
- Способ получения метилоксипропилцеллюлозы путем обработки целлюлозы водным раствором щелочи, отжима, измельчения, предсозревания, метилирования и оксипропилирования, отличающийся тем, что на стадии мерсеризации целлюлозы в водный раствор щелочи вводится трехкомпонентный усилитель реакционной способности целлюлозы - мочевина, тиомочевина и диэтиленгликоль, причем количество вводимого усилителя реакционной способности на 100 в.ч. целлюлозы составляет, в.ч.:
Мочевина - 1,25 - 4,14
Тиомочевина - 1,25 - 4,14
Диэтиленгликоль - 1,04 - 10,34т
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU95114232A RU2114121C1 (ru) | 1995-08-08 | 1995-08-08 | Способ получения метилоксипропилцеллюлозы |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU95114232A RU2114121C1 (ru) | 1995-08-08 | 1995-08-08 | Способ получения метилоксипропилцеллюлозы |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU95114232A true RU95114232A (ru) | 1997-08-10 |
| RU2114121C1 RU2114121C1 (ru) | 1998-06-27 |
Family
ID=20171160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU95114232A RU2114121C1 (ru) | 1995-08-08 | 1995-08-08 | Способ получения метилоксипропилцеллюлозы |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2114121C1 (ru) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674356A (zh) * | 2015-03-20 | 2015-06-03 | 江苏龙马绿色纤维有限公司 | 一种纺丝原液的制备方法 |
-
1995
- 1995-08-08 RU RU95114232A patent/RU2114121C1/ru active
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