JPS5371196A - Preparation of purified polyamide - Google Patents
Preparation of purified polyamideInfo
- Publication number
- JPS5371196A JPS5371196A JP14625576A JP14625576A JPS5371196A JP S5371196 A JPS5371196 A JP S5371196A JP 14625576 A JP14625576 A JP 14625576A JP 14625576 A JP14625576 A JP 14625576A JP S5371196 A JPS5371196 A JP S5371196A
- Authority
- JP
- Japan
- Prior art keywords
- preparation
- purified polyamide
- polyamide
- purified
- polympolyamide
- 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.)
- Pending
Links
Landscapes
- Polyamides (AREA)
Abstract
PURPOSE: To prepare a highly purified polyamide of controlled polymerization degree by effective removal of monomer and oligomer by extracting crude polympolyamide with a hot aqueous medium followed by contact with an inert gas.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14625576A JPS5371196A (en) | 1976-12-06 | 1976-12-06 | Preparation of purified polyamide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14625576A JPS5371196A (en) | 1976-12-06 | 1976-12-06 | Preparation of purified polyamide |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5371196A true JPS5371196A (en) | 1978-06-24 |
Family
ID=15403592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14625576A Pending JPS5371196A (en) | 1976-12-06 | 1976-12-06 | Preparation of purified polyamide |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5371196A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62148527A (en) * | 1985-12-23 | 1987-07-02 | Mitsubishi Chem Ind Ltd | Copolyamide and production thereof |
JPS638416A (en) * | 1986-06-27 | 1988-01-14 | Toyobo Co Ltd | Production of polyamide |
JPH0224322A (en) * | 1988-07-12 | 1990-01-26 | Toyobo Co Ltd | Purification of polycapramide |
NL9401204A (en) * | 1993-07-22 | 1995-02-16 | Bayer Ag | Extraction of polyamide-6. |
WO1998034975A1 (en) * | 1997-02-12 | 1998-08-13 | The University Of North Carolina At Chapel Hill | Synthesis of polyamides in liquid and supercritical co¿2? |
US6320021B1 (en) | 1997-11-25 | 2001-11-20 | Basf Aktiengesellschaft | Continuous polyamide extraction process |
US6326457B1 (en) | 1997-11-25 | 2001-12-04 | Basf Aktiengesellschaft | Continuous polyamide extraction process |
WO2002050162A1 (en) * | 2000-12-20 | 2002-06-27 | Toray Industries, Inc. | Polyamide prepolymer, polyamide, and processes for producing these |
EP2682417A1 (en) | 2012-07-06 | 2014-01-08 | Basf Se | Method for cleaning polyamide particles |
DE10104225B4 (en) * | 2000-02-03 | 2014-09-11 | Nippon Shokubai Co. Ltd. | A process for producing an ethyleneimine polymer, an aqueous solution of the ethyleneimine polymer, and a purification process therefor |
-
1976
- 1976-12-06 JP JP14625576A patent/JPS5371196A/en active Pending
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62148527A (en) * | 1985-12-23 | 1987-07-02 | Mitsubishi Chem Ind Ltd | Copolyamide and production thereof |
JPS638416A (en) * | 1986-06-27 | 1988-01-14 | Toyobo Co Ltd | Production of polyamide |
JPH0224322A (en) * | 1988-07-12 | 1990-01-26 | Toyobo Co Ltd | Purification of polycapramide |
NL9401204A (en) * | 1993-07-22 | 1995-02-16 | Bayer Ag | Extraction of polyamide-6. |
BE1008569A3 (en) * | 1993-07-22 | 1996-06-04 | Bayer Ag | Extraction of polyamide 6. |
WO1998034975A1 (en) * | 1997-02-12 | 1998-08-13 | The University Of North Carolina At Chapel Hill | Synthesis of polyamides in liquid and supercritical co¿2? |
US6320021B1 (en) | 1997-11-25 | 2001-11-20 | Basf Aktiengesellschaft | Continuous polyamide extraction process |
US6326457B1 (en) | 1997-11-25 | 2001-12-04 | Basf Aktiengesellschaft | Continuous polyamide extraction process |
DE10104225B4 (en) * | 2000-02-03 | 2014-09-11 | Nippon Shokubai Co. Ltd. | A process for producing an ethyleneimine polymer, an aqueous solution of the ethyleneimine polymer, and a purification process therefor |
WO2002050162A1 (en) * | 2000-12-20 | 2002-06-27 | Toray Industries, Inc. | Polyamide prepolymer, polyamide, and processes for producing these |
EP2682417A1 (en) | 2012-07-06 | 2014-01-08 | Basf Se | Method for cleaning polyamide particles |
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