JPS5355385A - Control of continuous polymerization equipment - Google Patents

Control of continuous polymerization equipment

Info

Publication number
JPS5355385A
JPS5355385A JP13086376A JP13086376A JPS5355385A JP S5355385 A JPS5355385 A JP S5355385A JP 13086376 A JP13086376 A JP 13086376A JP 13086376 A JP13086376 A JP 13086376A JP S5355385 A JPS5355385 A JP S5355385A
Authority
JP
Japan
Prior art keywords
polymer
control
viscosity
continuous polymerization
case
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
JP13086376A
Other languages
Japanese (ja)
Other versions
JPS5419429B2 (en
Inventor
Hiroshi Ito
Mitsumasa Inoue
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 Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co 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 Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP13086376A priority Critical patent/JPS5355385A/en
Publication of JPS5355385A publication Critical patent/JPS5355385A/en
Publication of JPS5419429B2 publication Critical patent/JPS5419429B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polymerisation Methods In General (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)

Abstract

PURPOSE: To prepare a polymer of stabilized quality continuously by controlling the polymer melt viscosity within a limited range by such means as to determine the algebraic signs of the sum of the vacuum pressure difference values (in case of increase;plus, in case of decrease;minus), the average value of each polymer viscosity, and the gradient of the regression line obtained from said each viscosity versus time measured.
COPYRIGHT: (C)1978,JPO&Japio
JP13086376A 1976-10-30 1976-10-30 Control of continuous polymerization equipment Granted JPS5355385A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13086376A JPS5355385A (en) 1976-10-30 1976-10-30 Control of continuous polymerization equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13086376A JPS5355385A (en) 1976-10-30 1976-10-30 Control of continuous polymerization equipment

Publications (2)

Publication Number Publication Date
JPS5355385A true JPS5355385A (en) 1978-05-19
JPS5419429B2 JPS5419429B2 (en) 1979-07-14

Family

ID=15044452

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13086376A Granted JPS5355385A (en) 1976-10-30 1976-10-30 Control of continuous polymerization equipment

Country Status (1)

Country Link
JP (1) JPS5355385A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5532487A (en) * 1994-11-23 1996-07-02 E. I. Du Pont De Nemours And Company Near-infrared measurement and control of polyamide processes

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492020A (en) * 1972-04-25 1974-01-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492020A (en) * 1972-04-25 1974-01-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5532487A (en) * 1994-11-23 1996-07-02 E. I. Du Pont De Nemours And Company Near-infrared measurement and control of polyamide processes

Also Published As

Publication number Publication date
JPS5419429B2 (en) 1979-07-14

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