JPS5352597A - Continuous polymerization of carpolactam - Google Patents

Continuous polymerization of carpolactam

Info

Publication number
JPS5352597A
JPS5352597A JP12850876A JP12850876A JPS5352597A JP S5352597 A JPS5352597 A JP S5352597A JP 12850876 A JP12850876 A JP 12850876A JP 12850876 A JP12850876 A JP 12850876A JP S5352597 A JPS5352597 A JP S5352597A
Authority
JP
Japan
Prior art keywords
carpolactam
continuous polymerization
caprolactam
reaction
molecular weight
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
JP12850876A
Other languages
Japanese (ja)
Inventor
Toshihiko Tsukamoto
Taro Tokusawa
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.)
Unitika Ltd
Original Assignee
Unitika 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.)
Filing date
Publication date
Application filed by Unitika Ltd filed Critical Unitika Ltd
Priority to JP12850876A priority Critical patent/JPS5352597A/en
Publication of JPS5352597A publication Critical patent/JPS5352597A/en
Pending legal-status Critical Current

Links

Landscapes

  • Polyamides (AREA)

Abstract

PURPOSE: To produce caprolactam of high polymerization degree and also having sharp molecular weight distribution by the reaction of caprolactam with water on heating and controlling charging rate of an inert gas stream so that the amount of distilled water maintains a constant value.
COPYRIGHT: (C)1978,JPO&Japio
JP12850876A 1976-10-25 1976-10-25 Continuous polymerization of carpolactam Pending JPS5352597A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12850876A JPS5352597A (en) 1976-10-25 1976-10-25 Continuous polymerization of carpolactam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12850876A JPS5352597A (en) 1976-10-25 1976-10-25 Continuous polymerization of carpolactam

Publications (1)

Publication Number Publication Date
JPS5352597A true JPS5352597A (en) 1978-05-13

Family

ID=14986469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12850876A Pending JPS5352597A (en) 1976-10-25 1976-10-25 Continuous polymerization of carpolactam

Country Status (1)

Country Link
JP (1) JPS5352597A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002050162A1 (en) * 2000-12-20 2002-06-27 Toray Industries, Inc. Polyamide prepolymer, polyamide, and processes for producing these

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002050162A1 (en) * 2000-12-20 2002-06-27 Toray Industries, Inc. Polyamide prepolymer, polyamide, and processes for producing these

Similar Documents

Publication Publication Date Title
JPS5360979A (en) Polytetrafluoroethylene fine powder and its preparation
JPS52119494A (en) Control of ozonizer system
JPS5386794A (en) Continuous polymerization
JPS5352597A (en) Continuous polymerization of carpolactam
JPS52124468A (en) Raw air flowing volume regulation of air separator
JPS5288958A (en) Transfer apparatus
JPS5318690A (en) Continous preparation of acrylonitrile polymers
JPS5411190A (en) Suspension polymerization of vinyl chloride
JPS5224242A (en) Apparatus for powder coating of continuous material
JPS52119695A (en) Elimination of unreacted monomers from aqueous dispersions of polymers
JPS51126286A (en) Method of suspension polymerization of vinyl monomer containing vinyl chloride
JPS5210893A (en) Process for production of granular fluorite and hydrogen fluoride from the granular fluorite
JPS53106136A (en) Preparation of heat pipe roller
JPS539893A (en) Removal of vinyl chloride monomer
JPS5426221A (en) Method and equipment for producing distilled zinc
JPS51121100A (en) Polymerization of 2-substituted-2-oxazolines
JPS5351292A (en) Molecular weight regulation of copolymer
JPS5284269A (en) Preparation of super-high-molecular-weight polymers
JPS5310677A (en) Preparation of vinyl chloride polymers
JPS51124458A (en) Instantaneous fuel consumption rate calculator for vehicle
JPS5253809A (en) Stabilizaton process for beta-hydroxyalkylacrylate
JPS5377019A (en) Preparation of organo-alkali metal compound
JPS52148585A (en) Preparation of vinyl chloride resen composition
JPS5285282A (en) Suspension polymerization of vinyl chloride
JPS5397092A (en) Continuous polymerization of caprolactam