JPS5371196A - Preparation of purified polyamide - Google Patents

Preparation of purified polyamide

Info

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
Application number
JP14625576A
Other languages
Japanese (ja)
Inventor
Hajime Mori
Katsuhisa Kamiyama
Shoji Hirose
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.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
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 Mitsubishi Kasei Corp filed Critical Mitsubishi Kasei Corp
Priority to JP14625576A priority Critical patent/JPS5371196A/en
Publication of JPS5371196A publication Critical patent/JPS5371196A/en
Pending legal-status Critical Current

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  • 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
JP14625576A 1976-12-06 1976-12-06 Preparation of purified polyamide Pending JPS5371196A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (11)

* Cited by examiner, † Cited by third party
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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