NL7206688A - Hexafluorogermanates - as polycondensation catalysts in the prodn of linear polyesters - Google Patents
Hexafluorogermanates - as polycondensation catalysts in the prodn of linear polyestersInfo
- Publication number
- NL7206688A NL7206688A NL7206688A NL7206688A NL7206688A NL 7206688 A NL7206688 A NL 7206688A NL 7206688 A NL7206688 A NL 7206688A NL 7206688 A NL7206688 A NL 7206688A NL 7206688 A NL7206688 A NL 7206688A
- Authority
- NL
- Netherlands
- Prior art keywords
- hexafluorogermanates
- prodn
- linear polyesters
- polycondensation catalysts
- polycondensation
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title abstract 2
- 238000006068 polycondensation reaction Methods 0.000 title abstract 2
- 229920000728 polyester Polymers 0.000 title abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- 150000001991 dicarboxylic acids Chemical class 0.000 abstract 1
- 150000002009 diols Chemical class 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- -1 polyethylene terephthalate Polymers 0.000 abstract 1
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 1
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
- C08G63/86—Germanium, antimony, or compounds thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA113215 | 1971-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7206688A true NL7206688A (en) | 1972-11-21 |
Family
ID=4089713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7206688A NL7206688A (en) | 1971-05-17 | 1972-05-17 | Hexafluorogermanates - as polycondensation catalysts in the prodn of linear polyesters |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE783636A (fr) |
| CA (1) | CA909998A (fr) |
| NL (1) | NL7206688A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200101368A (ko) * | 2017-12-22 | 2020-08-27 | 사까이가가꾸고오교가부시끼가이샤 | 폴리에스테르 제조용 중축합 촉매와 그것을 이용하는 폴리에스테르의 제조 |
-
1971
- 1971-05-17 CA CA909998A patent/CA909998A/en not_active Expired
-
1972
- 1972-05-17 NL NL7206688A patent/NL7206688A/xx unknown
- 1972-05-17 BE BE783636A patent/BE783636A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE783636A (fr) | 1972-11-17 |
| CA909998A (en) | 1972-09-12 |
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