JPS57164102A - Production of regenerated cellulose molding - Google Patents

Production of regenerated cellulose molding

Info

Publication number
JPS57164102A
JPS57164102A JP56047282A JP4728281A JPS57164102A JP S57164102 A JPS57164102 A JP S57164102A JP 56047282 A JP56047282 A JP 56047282A JP 4728281 A JP4728281 A JP 4728281A JP S57164102 A JPS57164102 A JP S57164102A
Authority
JP
Japan
Prior art keywords
molding
cellulose
concentration
10mol
dried
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.)
Granted
Application number
JP56047282A
Other languages
Japanese (ja)
Other versions
JPS6215642B2 (en
Inventor
Takashi Fujiwara
Takashi Tsurumi
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Asahi Kasei Medical Co Ltd
Original Assignee
Asahi Medical Co Ltd
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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.)
Filing date
Publication date
Application filed by Asahi Medical Co Ltd, Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Medical Co Ltd
Priority to JP56047282A priority Critical patent/JPS57164102A/en
Publication of JPS57164102A publication Critical patent/JPS57164102A/en
Publication of JPS6215642B2 publication Critical patent/JPS6215642B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • External Artificial Organs (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)

Abstract

PURPOSE: To obtain a regenerated celulose molding excellent in whiteness and stable to light, heat, etc., by treating, with an aqueous alkali solution, a cellulose molding prepared by coagulating and regenerating a cellulose-containing solution and then washing the treated molding with water.
CONSTITUTION: A cellulose molding prepared by coagulating and regenerating a cellulose-containing solution is treated with an aqueous alkali solution of 1/104W 1/10mol/l concentration at 40W100°C (in case where the molding is not dried) or with an aqueous alkali solution of 3/102W8/10mol/l concentration at 40W 100°C (in case where the molding is dried). Then, the molding is washed with water. Almost no improvement in resistance to yellowing due to heat, light, etc., is observed when the alkali concentration in case where the molding is not dried is below 1/104mol/l, whereas when the concentration exceeds 1/10mol/l, the stability to light, heat, radiation, etc., is adversely affected or the polymerization degree of cellulose is lowered.
COPYRIGHT: (C)1982,JPO&Japio
JP56047282A 1981-04-01 1981-04-01 Production of regenerated cellulose molding Granted JPS57164102A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56047282A JPS57164102A (en) 1981-04-01 1981-04-01 Production of regenerated cellulose molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56047282A JPS57164102A (en) 1981-04-01 1981-04-01 Production of regenerated cellulose molding

Publications (2)

Publication Number Publication Date
JPS57164102A true JPS57164102A (en) 1982-10-08
JPS6215642B2 JPS6215642B2 (en) 1987-04-08

Family

ID=12770930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56047282A Granted JPS57164102A (en) 1981-04-01 1981-04-01 Production of regenerated cellulose molding

Country Status (1)

Country Link
JP (1) JPS57164102A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544121Y2 (en) * 1987-03-12 1993-11-09
JPH0280240U (en) * 1988-12-09 1990-06-20

Also Published As

Publication number Publication date
JPS6215642B2 (en) 1987-04-08

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