JPS6261043B2 - - Google Patents
Info
- Publication number
- JPS6261043B2 JPS6261043B2 JP16432978A JP16432978A JPS6261043B2 JP S6261043 B2 JPS6261043 B2 JP S6261043B2 JP 16432978 A JP16432978 A JP 16432978A JP 16432978 A JP16432978 A JP 16432978A JP S6261043 B2 JPS6261043 B2 JP S6261043B2
- Authority
- JP
- Japan
- Prior art keywords
- reaction
- diethyl sulfate
- ecmc
- parts
- cmc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 12
- DENRZWYUOJLTMF-UHFFFAOYSA-N diethyl sulfate Chemical compound CCOS(=O)(=O)OCC DENRZWYUOJLTMF-UHFFFAOYSA-N 0.000 claims description 12
- 229940008406 diethyl sulfate Drugs 0.000 claims description 12
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 10
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 10
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 5
- 229920002678 cellulose Polymers 0.000 claims description 4
- 239000001913 cellulose Substances 0.000 claims description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 3
- 238000007086 side reaction Methods 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 238000006467 substitution reaction Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- -1 ethyl carboxymethyl Chemical group 0.000 description 2
- 229960003750 ethyl chloride Drugs 0.000 description 2
- 238000006200 ethylation reaction Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 230000006203 ethylation Effects 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- HVTICUPFWKNHNG-UHFFFAOYSA-N iodoethane Chemical compound CCI HVTICUPFWKNHNG-UHFFFAOYSA-N 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 230000001035 methylating effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16432978A JPS5590501A (en) | 1978-12-28 | 1978-12-28 | Preparation of ethylcarboxymethylcellulose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16432978A JPS5590501A (en) | 1978-12-28 | 1978-12-28 | Preparation of ethylcarboxymethylcellulose |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5590501A JPS5590501A (en) | 1980-07-09 |
| JPS6261043B2 true JPS6261043B2 (cs) | 1987-12-19 |
Family
ID=15791090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16432978A Granted JPS5590501A (en) | 1978-12-28 | 1978-12-28 | Preparation of ethylcarboxymethylcellulose |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5590501A (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0713081B2 (ja) * | 1991-07-12 | 1995-02-15 | 三洋化成工業株式会社 | セルロース誘導体のエーテル化方法 |
| JP2010031165A (ja) * | 2008-07-30 | 2010-02-12 | Sanyo Chem Ind Ltd | アルキルエーテル化カルボキシアルキルセルロース |
-
1978
- 1978-12-28 JP JP16432978A patent/JPS5590501A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5590501A (en) | 1980-07-09 |
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