JPS55123619A - Production of flame-retardant polyester - Google Patents
Production of flame-retardant polyesterInfo
- Publication number
- JPS55123619A JPS55123619A JP3051779A JP3051779A JPS55123619A JP S55123619 A JPS55123619 A JP S55123619A JP 3051779 A JP3051779 A JP 3051779A JP 3051779 A JP3051779 A JP 3051779A JP S55123619 A JPS55123619 A JP S55123619A
- Authority
- JP
- Japan
- Prior art keywords
- intrinsic viscosity
- halogen
- retardant polyester
- added
- flame
- 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
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
PURPOSE: A halogen-containing diol is added to a polybutylene terephthalate of specific intrinsic viscosity and the polycondensation reaction is effected to produce flame-retardant polyester with high polymerization degree, impact strength and toughness with industrial advantage.
CONSTITUTION: (A) Bishydroxybutyl terephthalate or its oligomer of less than 0.15 intrinsic viscosity is combined with (B) polyethylene terephthalate of 0.2 or higher, preferably 0.5W1.5 intrinsic viscosity and (C) a diol having the aromatic ring substituted with halogen atoms, preferably 2,2-bis[3,5-dibromo-4-(2-hydroxyethoxy) phenyl]propane and they are subjected to polycondensation reaction. The component C is added so as to adjust the halogen content to preferably 3W15wt% in the resulting polyester.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3051779A JPS55123619A (en) | 1979-03-15 | 1979-03-15 | Production of flame-retardant polyester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3051779A JPS55123619A (en) | 1979-03-15 | 1979-03-15 | Production of flame-retardant polyester |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55123619A true JPS55123619A (en) | 1980-09-24 |
Family
ID=12305992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3051779A Pending JPS55123619A (en) | 1979-03-15 | 1979-03-15 | Production of flame-retardant polyester |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55123619A (en) |
-
1979
- 1979-03-15 JP JP3051779A patent/JPS55123619A/en active Pending
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