DE2057690C3 - Verfahren zur Herstellung von Filmen aus Polyethylenterephthalat - Google Patents
Verfahren zur Herstellung von Filmen aus PolyethylenterephthalatInfo
- Publication number
- DE2057690C3 DE2057690C3 DE2057690A DE2057690A DE2057690C3 DE 2057690 C3 DE2057690 C3 DE 2057690C3 DE 2057690 A DE2057690 A DE 2057690A DE 2057690 A DE2057690 A DE 2057690A DE 2057690 C3 DE2057690 C3 DE 2057690C3
- Authority
- DE
- Germany
- Prior art keywords
- film
- films
- polyethylene terephthalate
- stretching
- crystallinity
- 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
- 238000000034 method Methods 0.000 title claims description 19
- -1 polyethylene terephthalate Polymers 0.000 title claims description 15
- 229920000139 polyethylene terephthalate Polymers 0.000 title claims description 15
- 239000005020 polyethylene terephthalate Substances 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title description 6
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 2
- 238000010791 quenching Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 claims description 2
- 239000010408 film Substances 0.000 description 84
- 239000000049 pigment Substances 0.000 description 11
- 229920000642 polymer Polymers 0.000 description 6
- 239000011888 foil Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 3
- 229920008790 Amorphous Polyethylene terephthalate Polymers 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB6270769 | 1969-12-23 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2057690A1 DE2057690A1 (de) | 1971-07-01 |
| DE2057690B2 DE2057690B2 (de) | 1980-07-24 |
| DE2057690C3 true DE2057690C3 (de) | 1981-03-12 |
Family
ID=10488406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2057690A Expired DE2057690C3 (de) | 1969-12-23 | 1970-11-24 | Verfahren zur Herstellung von Filmen aus Polyethylenterephthalat |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE759188A (enExample) |
| CA (1) | CA926574A (enExample) |
| CH (1) | CH541405A (enExample) |
| DE (1) | DE2057690C3 (enExample) |
| FR (1) | FR2072276A5 (enExample) |
| GB (1) | GB1303257A (enExample) |
| LU (1) | LU61765A1 (enExample) |
| NL (1) | NL7017388A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54137076A (en) * | 1978-04-17 | 1979-10-24 | Unitika Ltd | Manufacturing of biaxially oriented thermoplastic polyester film |
| JPS5766936A (en) * | 1980-10-15 | 1982-04-23 | Teijin Ltd | Polyester film |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2899713A (en) * | 1959-08-18 | Orientation of polyethylene | ||
| US2823421A (en) * | 1952-05-12 | 1958-02-18 | Du Pont | Stretching of polyethylene terephthalate film |
| DE1264746B (de) * | 1962-09-11 | 1968-03-28 | Nihonbashi Muromachi | Verfahren zur Herstellung von thermoplastischen Kunststoffolien mit rauher Oberflaeche |
-
0
- BE BE759188D patent/BE759188A/nl unknown
-
1969
- 1969-12-23 GB GB6270769A patent/GB1303257A/en not_active Expired
-
1970
- 1970-09-25 LU LU61765D patent/LU61765A1/xx unknown
- 1970-11-20 CH CH1722470A patent/CH541405A/de not_active IP Right Cessation
- 1970-11-23 FR FR7042061A patent/FR2072276A5/fr not_active Expired
- 1970-11-24 DE DE2057690A patent/DE2057690C3/de not_active Expired
- 1970-11-24 CA CA099008A patent/CA926574A/en not_active Expired
- 1970-11-27 NL NL7017388A patent/NL7017388A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| CH541405A (de) | 1973-09-15 |
| DE2057690B2 (de) | 1980-07-24 |
| LU61765A1 (enExample) | 1971-11-08 |
| DE2057690A1 (de) | 1971-07-01 |
| GB1303257A (enExample) | 1973-01-17 |
| BE759188A (nl) | 1971-05-21 |
| NL7017388A (enExample) | 1971-06-25 |
| FR2072276A5 (enExample) | 1971-09-24 |
| CA926574A (en) | 1973-05-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |