DE1228242B - Stabilisierung von geschmolzenem Terephthalsaeuredimethylester - Google Patents
Stabilisierung von geschmolzenem TerephthalsaeuredimethylesterInfo
- Publication number
- DE1228242B DE1228242B DEC35440A DEC0035440A DE1228242B DE 1228242 B DE1228242 B DE 1228242B DE C35440 A DEC35440 A DE C35440A DE C0035440 A DEC0035440 A DE C0035440A DE 1228242 B DE1228242 B DE 1228242B
- Authority
- DE
- Germany
- Prior art keywords
- methanol
- dimethyl terephthalate
- hours
- stabilization
- product
- 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
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 title claims description 36
- 230000006641 stabilisation Effects 0.000 title claims description 4
- 238000011105 stabilization Methods 0.000 title claims description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 66
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical class C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims 1
- 235000019441 ethanol Nutrition 0.000 description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- 239000002253 acid Substances 0.000 description 7
- 239000000155 melt Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- OJURWUUOVGOHJZ-UHFFFAOYSA-N methyl 2-[(2-acetyloxyphenyl)methyl-[2-[(2-acetyloxyphenyl)methyl-(2-methoxy-2-oxoethyl)amino]ethyl]amino]acetate Chemical compound C=1C=CC=C(OC(C)=O)C=1CN(CC(=O)OC)CCN(CC(=O)OC)CC1=CC=CC=C1OC(C)=O OJURWUUOVGOHJZ-UHFFFAOYSA-N 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- -1 saturated aliphatic alcohols Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/62—Use of additives, e.g. for stabilisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEC35440A DE1228242B (de) | 1965-03-27 | 1965-03-27 | Stabilisierung von geschmolzenem Terephthalsaeuredimethylester |
| NL6513489A NL6513489A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-03-27 | 1965-10-19 | |
| CH1469365A CH456566A (de) | 1965-03-27 | 1965-10-25 | Verfahren zur Verbesserung der thermischen Stabilität von Terephthalsäuredimethylester |
| YU1932/65A YU31192B (en) | 1965-03-27 | 1965-11-13 | Postupak za poboljsanje termicke stabilnosti dimetilestra tereftalne kiseline |
| GB5709/66A GB1077848A (en) | 1965-03-27 | 1966-02-09 | Improvements in or relating to dimethyl terephthalate |
| US535335A US3505390A (en) | 1965-03-27 | 1966-03-18 | Process for improving the thermal stability of dimethyl terephthalate and product thereof |
| BE678463D BE678463A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-03-27 | 1966-03-25 | |
| FR55697A FR1473608A (fr) | 1965-03-27 | 1966-03-30 | Procédé pour améliorer la stabilité thermique du téréphtalate de diméthyle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEC35440A DE1228242B (de) | 1965-03-27 | 1965-03-27 | Stabilisierung von geschmolzenem Terephthalsaeuredimethylester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1228242B true DE1228242B (de) | 1966-11-10 |
Family
ID=7021813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEC35440A Pending DE1228242B (de) | 1965-03-27 | 1965-03-27 | Stabilisierung von geschmolzenem Terephthalsaeuredimethylester |
Country Status (7)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5194572A (en) * | 1990-08-30 | 1993-03-16 | Amoco Corporation | Stabilized naphthalenedicarboxylic acid diesters |
| US5138025A (en) * | 1990-08-30 | 1992-08-11 | Amoco Corporation | Stabilized naphthalenedicarboxylic acid diesters |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2875237A (en) * | 1957-06-07 | 1959-02-24 | Standard Oil Co | Purification of dimethylterephthalate |
-
1965
- 1965-03-27 DE DEC35440A patent/DE1228242B/de active Pending
- 1965-10-19 NL NL6513489A patent/NL6513489A/xx unknown
- 1965-10-25 CH CH1469365A patent/CH456566A/de unknown
- 1965-11-13 YU YU1932/65A patent/YU31192B/xx unknown
-
1966
- 1966-02-09 GB GB5709/66A patent/GB1077848A/en not_active Expired - Lifetime
- 1966-03-18 US US535335A patent/US3505390A/en not_active Expired - Lifetime
- 1966-03-25 BE BE678463D patent/BE678463A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH456566A (de) | 1968-07-31 |
| NL6513489A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-09-28 |
| GB1077848A (en) | 1967-08-02 |
| YU31192B (en) | 1973-02-28 |
| US3505390A (en) | 1970-04-07 |
| BE678463A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-09-01 |
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