JPS5432432A - Preparation of bis-(beta-hydroxyethyl) terephthalate and/or its low polymer - Google Patents
Preparation of bis-(beta-hydroxyethyl) terephthalate and/or its low polymerInfo
- Publication number
- JPS5432432A JPS5432432A JP9664577A JP9664577A JPS5432432A JP S5432432 A JPS5432432 A JP S5432432A JP 9664577 A JP9664577 A JP 9664577A JP 9664577 A JP9664577 A JP 9664577A JP S5432432 A JPS5432432 A JP S5432432A
- Authority
- JP
- Japan
- Prior art keywords
- hydroxyethyl
- terephthalate
- beta
- bis
- preparation
- 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
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
PURPOSE: To prepare the title compounds industrially advantagenously, by maintaining the partial pressure of ethylene glycol in the gaseous phase of the reaction system within a specific range in the direct reaction of terephthalic acid with ethylene glycol.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9664577A JPS5822097B2 (en) | 1977-08-12 | 1977-08-12 | Method for producing bis-(β-hydroxyethyl) terephthalate and/or its low polymer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9664577A JPS5822097B2 (en) | 1977-08-12 | 1977-08-12 | Method for producing bis-(β-hydroxyethyl) terephthalate and/or its low polymer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5432432A true JPS5432432A (en) | 1979-03-09 |
JPS5822097B2 JPS5822097B2 (en) | 1983-05-06 |
Family
ID=14170555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9664577A Expired JPS5822097B2 (en) | 1977-08-12 | 1977-08-12 | Method for producing bis-(β-hydroxyethyl) terephthalate and/or its low polymer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5822097B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4656553A (en) * | 1986-01-21 | 1987-04-07 | Comair Rotron, Inc. | Electronically programmable universal brushless DC fan with integral tracking and locked rotor protection |
-
1977
- 1977-08-12 JP JP9664577A patent/JPS5822097B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5822097B2 (en) | 1983-05-06 |
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