JPS52125599A - Preparation of aromatic polyimide resins - Google Patents

Preparation of aromatic polyimide resins

Info

Publication number
JPS52125599A
JPS52125599A JP4275976A JP4275976A JPS52125599A JP S52125599 A JPS52125599 A JP S52125599A JP 4275976 A JP4275976 A JP 4275976A JP 4275976 A JP4275976 A JP 4275976A JP S52125599 A JPS52125599 A JP S52125599A
Authority
JP
Japan
Prior art keywords
polyimide resins
preparation
aromatic polyimide
aromatic
reaction
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
JP4275976A
Other languages
Japanese (ja)
Inventor
Etsuo Hosokawa
Misao Wake
Masatada Fukushima
Tamotsu Takahashi
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.)
SWCC Corp
Original Assignee
Showa Electric Wire and Cable Co
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 Showa Electric Wire and Cable Co filed Critical Showa Electric Wire and Cable Co
Priority to JP4275976A priority Critical patent/JPS52125599A/en
Publication of JPS52125599A publication Critical patent/JPS52125599A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prepare aromatic polyimide resins without using harmful reaction solvents by reacting a low polymer, obtained by the reaction of an aromatic tetracarboxylic acid, etc. with a specific aromatic diisocyanate, with a diamine at such a temperature that imidization may not occur.
COPYRIGHT: (C)1977,JPO&Japio
JP4275976A 1976-04-15 1976-04-15 Preparation of aromatic polyimide resins Pending JPS52125599A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4275976A JPS52125599A (en) 1976-04-15 1976-04-15 Preparation of aromatic polyimide resins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4275976A JPS52125599A (en) 1976-04-15 1976-04-15 Preparation of aromatic polyimide resins

Publications (1)

Publication Number Publication Date
JPS52125599A true JPS52125599A (en) 1977-10-21

Family

ID=12644906

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4275976A Pending JPS52125599A (en) 1976-04-15 1976-04-15 Preparation of aromatic polyimide resins

Country Status (1)

Country Link
JP (1) JPS52125599A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013010889A (en) * 2011-06-30 2013-01-17 Jnc Corp Polyamic acid, and liquid crystal orientating agent, liquid crystal oriented film, and liquid crystal display element using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013010889A (en) * 2011-06-30 2013-01-17 Jnc Corp Polyamic acid, and liquid crystal orientating agent, liquid crystal oriented film, and liquid crystal display element using the same

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