JPS54113699A - Preparation of polyester amide - Google Patents
Preparation of polyester amideInfo
- Publication number
- JPS54113699A JPS54113699A JP2171378A JP2171378A JPS54113699A JP S54113699 A JPS54113699 A JP S54113699A JP 2171378 A JP2171378 A JP 2171378A JP 2171378 A JP2171378 A JP 2171378A JP S54113699 A JPS54113699 A JP S54113699A
- Authority
- JP
- Japan
- Prior art keywords
- dicarboxylic acid
- aromatic
- ester
- polyester amide
- diisocyanate
- 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
Abstract
PURPOSE: To prepare a polyester amide useful as varnish for enameled wire, by the ester-exchange of an aromatic diamide dicarboxylic acid diester and tris(2-hydroxyethyl)isocyanurate, followed by the reaction of the product with a polyol and a polycarboxylic acid.
CONSTITUTION: An aromatic diamide dicarboxylic acid diester II (R1 is alkyl; R2 is arylene) is prepared by reacting an aromatic dicarboxylic acid monoalkyl ester I which may contain other dicarboxylic acid monoalkul ester with an aromatic diisocyanate such as 4, 4'-diphenylmethane diisocyanate. The molar ratio of the monoalkyl ester to the diisocyanate is pref. 1.9W2.0 to 1. The diester II thus obtained is made to react with tris(2-hydroxyethyl)isocyanurate pref. in a molar ratio of 1:1.3-2.0. The reaction product is, if necessary, further reacted with a polyhydric alcohol such as ethylene glycol and a polybasic acid such as dimethyl terephthalate to obtain the objective polyester amide.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2171378A JPS54113699A (en) | 1978-02-27 | 1978-02-27 | Preparation of polyester amide |
FR7900672A FR2414518A1 (en) | 1978-01-12 | 1979-01-11 | POLYESTERAMIDES AND THEIR PREPARATION PROCESS |
US06/002,752 US4237251A (en) | 1978-01-12 | 1979-01-11 | Polyesteramides and process for producing the same |
DE19792900932 DE2900932A1 (en) | 1978-01-12 | 1979-01-11 | METHOD FOR MANUFACTURING POLYESTERAMIDES |
GB7901289A GB2012288B (en) | 1978-01-12 | 1979-01-12 | Polyesteramides and process for producing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2171378A JPS54113699A (en) | 1978-02-27 | 1978-02-27 | Preparation of polyester amide |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54113699A true JPS54113699A (en) | 1979-09-05 |
Family
ID=12062696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2171378A Pending JPS54113699A (en) | 1978-01-12 | 1978-02-27 | Preparation of polyester amide |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54113699A (en) |
-
1978
- 1978-02-27 JP JP2171378A patent/JPS54113699A/en active Pending
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