DE2834162C2 - - Google Patents
Info
- Publication number
- DE2834162C2 DE2834162C2 DE2834162A DE2834162A DE2834162C2 DE 2834162 C2 DE2834162 C2 DE 2834162C2 DE 2834162 A DE2834162 A DE 2834162A DE 2834162 A DE2834162 A DE 2834162A DE 2834162 C2 DE2834162 C2 DE 2834162C2
- Authority
- DE
- Germany
- Prior art keywords
- acetaldehyde
- polyester
- schnitzel
- chips
- temperature
- 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.)
- Expired
Links
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 claims description 117
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 25
- 229920000642 polymer Polymers 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- -1 polyethylene terephthalate Polymers 0.000 claims description 12
- 235000013305 food Nutrition 0.000 claims description 11
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 11
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000004806 packaging method and process Methods 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 description 31
- 238000001035 drying Methods 0.000 description 22
- 239000007789 gas Substances 0.000 description 13
- 230000015556 catabolic process Effects 0.000 description 12
- 238000006731 degradation reaction Methods 0.000 description 11
- 150000001299 aldehydes Chemical class 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 238000010525 oxidative degradation reaction Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000004040 coloring Methods 0.000 description 4
- 239000000543 intermediate Substances 0.000 description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000006068 polycondensation reaction Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229920001567 vinyl ester resin Polymers 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- AWOKJXAGEALJBF-UHFFFAOYSA-N [N].CC=O Chemical compound [N].CC=O AWOKJXAGEALJBF-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 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
- C08G63/88—Post-polymerisation treatment
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)
- Wrappers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82328277A | 1977-08-10 | 1977-08-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2834162A1 DE2834162A1 (de) | 1979-02-22 |
| DE2834162C2 true DE2834162C2 (enrdf_load_stackoverflow) | 1989-08-10 |
Family
ID=25238305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782834162 Granted DE2834162A1 (de) | 1977-08-10 | 1978-08-04 | Verfahren fuer die herstellung von polyaethylenterephthalat-kunststoff fuer das verpacken oder die abfuellung von nahrungsmitteln |
Country Status (6)
| Country | Link |
|---|---|
| BR (1) | BR7805094A (enrdf_load_stackoverflow) |
| DE (1) | DE2834162A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2400046A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2002403A (enrdf_load_stackoverflow) |
| IT (1) | IT1098379B (enrdf_load_stackoverflow) |
| MX (1) | MX151032A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230819A (en) | 1979-04-13 | 1980-10-28 | The Goodyear Tire & Rubber Company | Eliminating acetaldehyde from crystalline polyethylene terephthalate resin |
| US4361681A (en) * | 1980-11-03 | 1982-11-30 | The Goodyear Tire & Rubber Company | Polyethylene terephthalate having a reduced acetaldehyde generation rate |
| DE3213025C2 (de) * | 1982-04-02 | 1997-06-12 | Fischer Karl Ind Gmbh | Verfahren zur Nachkondensation von Polykondensaten |
| IT1188204B (it) * | 1985-11-19 | 1988-01-07 | Cobarr Spa | Procedimento per la riduzione del tenore di acetaldeide in contenitori biorientati ottenuti da preforme di polietilene tereftalato |
| IT1282425B1 (it) * | 1995-07-05 | 1998-03-23 | Sipa Spa | Procedimento ed impianto perfezionato per la produzione di corpi cavi in p.e.t. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1327555A (fr) * | 1962-07-02 | 1963-05-17 | Onderzoekings Inst Res | Procédé pour sécher des granules de téréphtalate de polyéthylène amorphe et pour fabriquer des produits façonnés avec ceux-ci, ainsi que les produits ainsi obtenus |
| US3547890A (en) * | 1967-08-23 | 1970-12-15 | Teijin Ltd | Process and apparatus for drying polyester particles |
| US3960817A (en) * | 1970-10-23 | 1976-06-01 | Ciba-Geigy Ag | Solid phase polyester polycondensation |
| US3804811A (en) * | 1972-04-12 | 1974-04-16 | Horizons Inc | Shaped articles from reconstituted polyester |
| AU6935174A (en) * | 1973-06-22 | 1975-11-27 | Janssen Pharmaceutica Nv | Nitroimidazole thiocarbamates |
-
1978
- 1978-07-18 MX MX174219A patent/MX151032A/es unknown
- 1978-07-27 GB GB7831367A patent/GB2002403A/en not_active Withdrawn
- 1978-08-04 DE DE19782834162 patent/DE2834162A1/de active Granted
- 1978-08-09 IT IT26625/78A patent/IT1098379B/it active
- 1978-08-09 BR BR7805094A patent/BR7805094A/pt unknown
- 1978-08-10 FR FR7823635A patent/FR2400046A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2400046A1 (fr) | 1979-03-09 |
| MX151032A (es) | 1984-09-12 |
| FR2400046B1 (enrdf_load_stackoverflow) | 1983-11-18 |
| GB2002403A (en) | 1979-02-21 |
| BR7805094A (pt) | 1979-04-10 |
| IT7826625A0 (it) | 1978-08-09 |
| DE2834162A1 (de) | 1979-02-22 |
| IT1098379B (it) | 1985-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OGA | New person/name/address of the applicant | ||
| 8127 | New person/name/address of the applicant |
Owner name: DAVY MCKEE AG, 6000 FRANKFURT, DE |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: ZIMMER AG, 6000 FRANKFURT, DE |
|
| 8331 | Complete revocation |