JPS55118902A - Preparation of ethylcarboxymethylcellulose - Google Patents

Preparation of ethylcarboxymethylcellulose

Info

Publication number: JPS55118902A
Authority: JP; Japan
Prior art keywords: water; solvent; ethylcarboxymethylcellulose; substitution degree; solvents
Prior art date: 1979-03-06
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.): Granted

Application number

JP2626979A

Other languages

English (en)

Other versions

JPS609523B2 (ja

Inventor

Hajime Namikoshi

Kazuo Nozu

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Daicel Corp

Original Assignee

Daicel Corp

Daicel Chemical Industries Ltd

Priority date (The priority date 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 date listed.)

1979-03-06

Filing date

1979-03-06

Publication date

1980-09-12

1979-03-06 Application filed by Daicel Corp, Daicel Chemical Industries Ltd filed Critical Daicel Corp

1979-03-06 Priority to JP2626979A priority Critical patent/JPS609523B2/ja

1980-02-29 Priority to US06/126,032 priority patent/US4311833A/en

1980-03-05 Priority to DE3008413A priority patent/DE3008413C2/de

1980-03-05 Priority to GB8007554A priority patent/GB2047251B/en

1980-09-12 Publication of JPS55118902A publication Critical patent/JPS55118902A/ja

1985-03-11 Publication of JPS609523B2 publication Critical patent/JPS609523B2/ja

Status Expired legal-status Critical Current

Links

238000002360 preparation method Methods 0.000 title abstract 2
239000002904 solvent Substances 0.000 abstract 6
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 6
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
238000006467 substitution reaction Methods 0.000 abstract 3
239000004215 Carbon black (E152) Substances 0.000 abstract 2
125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 abstract 2
239000001913 cellulose Substances 0.000 abstract 2
229920002678 cellulose Polymers 0.000 abstract 2
-1 ethyl halide Chemical class 0.000 abstract 2
229930195733 hydrocarbon Natural products 0.000 abstract 2
150000002430 hydrocarbons Chemical class 0.000 abstract 2
239000000203 mixture Substances 0.000 abstract 2
239000003960 organic solvent Substances 0.000 abstract 2
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 abstract 1
239000003513 alkali Substances 0.000 abstract 1
239000001768 carboxy methyl cellulose Substances 0.000 abstract 1
HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 abstract 1
239000006185 dispersion Substances 0.000 abstract 1
239000003814 drug Substances 0.000 abstract 1
239000002702 enteric coating Substances 0.000 abstract 1
238000009505 enteric coating Methods 0.000 abstract 1
229960003750 ethyl chloride Drugs 0.000 abstract 1
239000000463 material Substances 0.000 abstract 1
235000019812 sodium carboxymethyl cellulose Nutrition 0.000 abstract 1
229920001027 sodium carboxymethylcellulose Polymers 0.000 abstract 1

Landscapes

Medicinal Preparation (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

JP2626979A 1979-03-06 1979-03-06 エチルカルボキシメチルセルロ−スの製造方法 Expired JPS609523B2 (ja)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
JP2626979A JPS609523B2 (ja)	1979-03-06	1979-03-06	エチルカルボキシメチルセルロ−スの製造方法
US06/126,032 US4311833A (en)	1979-03-06	1980-02-29	Process for preparing ethylcarboxymethylcellulose
DE3008413A DE3008413C2 (de)	1979-03-06	1980-03-05	Verfahren zur Herstellung von Äthylcarboxymethylcellulose
GB8007554A GB2047251B (en)	1979-03-06	1980-03-05	Ethyl carboxymethyl cellulose

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2626979A JPS609523B2 (ja)	1979-03-06	1979-03-06	エチルカルボキシメチルセルロ−スの製造方法

Publications (2)

Publication Number	Publication Date
JPS55118902A true JPS55118902A (en)	1980-09-12
JPS609523B2 JPS609523B2 (ja)	1985-03-11

Family

ID=12188550

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2626979A Expired JPS609523B2 (ja)	1979-03-06	1979-03-06	エチルカルボキシメチルセルロ−スの製造方法

Country Status (1)

Country	Link
JP (1)	JPS609523B2 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS58118801A (ja) *	1982-01-05	1983-07-15	Asahi Chem Ind Co Ltd	超吸湿性セルロ−ス誘導体
JPS58147402A (ja) *	1982-02-26	1983-09-02	Kohjin Co Ltd	カルボキシメチルエチルセルロ−スの製造方法
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
JP2015057470A (ja) *	2013-08-12	2015-03-26	信越化学工業株式会社	低重合度水溶性セルロースエーテルの製造方法及びこれを含むフィルムコーティング用組成物の製造方法

1979
- 1979-03-06 JP JP2626979A patent/JPS609523B2/ja not_active Expired

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS58118801A (ja) *	1982-01-05	1983-07-15	Asahi Chem Ind Co Ltd	超吸湿性セルロ−ス誘導体
JPS58147402A (ja) *	1982-02-26	1983-09-02	Kohjin Co Ltd	カルボキシメチルエチルセルロ−スの製造方法
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
JP2015057470A (ja) *	2013-08-12	2015-03-26	信越化学工業株式会社	低重合度水溶性セルロースエーテルの製造方法及びこれを含むフィルムコーティング用組成物の製造方法

Also Published As

Publication number	Publication date
JPS609523B2 (ja)	1985-03-11

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