SU579900A3 - Способ получени полиэфиров - Google Patents
Способ получени полиэфировInfo
- Publication number
- SU579900A3 SU579900A3 SU7301948659A SU1948659A SU579900A3 SU 579900 A3 SU579900 A3 SU 579900A3 SU 7301948659 A SU7301948659 A SU 7301948659A SU 1948659 A SU1948659 A SU 1948659A SU 579900 A3 SU579900 A3 SU 579900A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- acid
- parts
- hours
- ethylene oxide
- reaction
- Prior art date
Links
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
- C08G63/87—Non-metals or inter-compounds thereof
-
- 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
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/40—Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds, other than from esters thereof
- C08G63/42—Cyclic ethers; Cyclic carbonates; Cyclic sulfites; Cyclic orthoesters
-
- 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
- C08G63/80—Solid-state polycondensation
-
- 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
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 |
|---|---|---|---|
| GB3420272A GB1387335A (en) | 1972-07-21 | 1972-07-21 | Manufacture of polyesters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU579900A3 true SU579900A3 (ru) | 1977-11-05 |
Family
ID=10362664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU7301948659A SU579900A3 (ru) | 1972-07-21 | 1973-07-20 | Способ получени полиэфиров |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT339608B (de) |
| BE (2) | BE802362A (de) |
| BR (2) | BR7305452D0 (de) |
| IN (1) | IN139727B (de) |
| PL (2) | PL95788B1 (de) |
| SU (1) | SU579900A3 (de) |
| ZA (2) | ZA734646B (de) |
-
1973
- 1973-07-10 ZA ZA734646A patent/ZA734646B/xx unknown
- 1973-07-10 ZA ZA734645A patent/ZA734645B/xx unknown
- 1973-07-13 BE BE133502A patent/BE802362A/xx unknown
- 1973-07-13 BE BE133503A patent/BE802363A/xx unknown
- 1973-07-16 IN IN1658/CAL/73A patent/IN139727B/en unknown
- 1973-07-19 BR BR5452/73A patent/BR7305452D0/pt unknown
- 1973-07-19 BR BR5446/73A patent/BR7305446D0/pt unknown
- 1973-07-20 PL PL1973164205A patent/PL95788B1/pl unknown
- 1973-07-20 SU SU7301948659A patent/SU579900A3/ru active
- 1973-07-20 PL PL1973164206A patent/PL92641B1/pl unknown
- 1973-07-23 AT AT647773A patent/AT339608B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR7305446D0 (pt) | 1974-09-05 |
| ZA734645B (en) | 1974-04-24 |
| IN139727B (de) | 1976-07-24 |
| ZA734646B (en) | 1974-03-27 |
| BE802363A (fr) | 1974-01-14 |
| AT339608B (de) | 1977-10-25 |
| ATA647773A (de) | 1977-02-15 |
| BR7305452D0 (pt) | 1974-09-05 |
| PL95788B1 (pl) | 1977-11-30 |
| BE802362A (fr) | 1974-01-14 |
| PL92641B1 (de) | 1977-04-30 |
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