CA1121956A - Blow molding of plastic articles having barrier properties - Google Patents
Blow molding of plastic articles having barrier propertiesInfo
- Publication number
- CA1121956A CA1121956A CA000316709A CA316709A CA1121956A CA 1121956 A CA1121956 A CA 1121956A CA 000316709 A CA000316709 A CA 000316709A CA 316709 A CA316709 A CA 316709A CA 1121956 A CA1121956 A CA 1121956A
- Authority
- CA
- Canada
- Prior art keywords
- tube
- mold
- inert gas
- interior
- molds
- 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
- 238000000071 blow moulding Methods 0.000 title claims abstract description 15
- 230000004888 barrier function Effects 0.000 title abstract description 9
- 239000004033 plastic Substances 0.000 title description 6
- 229920003023 plastic Polymers 0.000 title description 6
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 35
- 239000011737 fluorine Substances 0.000 claims abstract description 35
- 239000011261 inert gas Substances 0.000 claims abstract description 33
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000012260 resinous material Substances 0.000 claims abstract description 15
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 12
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 12
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims abstract 8
- 239000012530 fluid Substances 0.000 claims description 46
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 29
- 239000007789 gas Substances 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 229920000642 polymer Polymers 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 4
- 239000005977 Ethylene Substances 0.000 claims description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- 150000001336 alkenes Chemical class 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 2
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 2
- 238000007664 blowing Methods 0.000 abstract description 10
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 25
- 238000004891 communication Methods 0.000 description 6
- 239000006200 vaporizer Substances 0.000 description 5
- 239000012454 non-polar solvent Substances 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004347 surface barrier Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/18—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using several blowing steps
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
- B29C49/04102—Extrusion blow-moulding extruding the material continuously
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/46—Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/46—Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
- B29C2049/4602—Blowing fluids
- B29C2049/4611—Blowing fluids containing a reactive gas
- B29C2049/4617—Fluor
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/46—Component parts, details or accessories; Auxiliary operations characterised by using particular environment or blow fluids other than air
- B29C2049/4602—Blowing fluids
- B29C2049/4611—Blowing fluids containing a reactive gas
- B29C2049/4623—Blowing fluids containing a reactive gas the gas containing sulfur, e.g. sulfur trioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0065—Permeability to gases
- B29K2995/0067—Permeability to gases non-permeable
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US91988778A | 1978-06-28 | 1978-06-28 | |
| US919,887 | 1978-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1121956A true CA1121956A (en) | 1982-04-20 |
Family
ID=25442810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000316709A Expired CA1121956A (en) | 1978-06-28 | 1978-11-22 | Blow molding of plastic articles having barrier properties |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS555893A (cs) |
| CA (1) | CA1121956A (cs) |
| DE (1) | DE2924797C2 (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0124278A2 (en) | 1983-04-01 | 1984-11-07 | Exxon Research And Engineering Company | Improved process for the manufacture of halogenated polymers |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5850572B2 (ja) * | 1980-05-09 | 1983-11-11 | 大同酸素株式会社 | ブロ−ガス回収を伴う中空成形品の製造方法 |
| CA1181208A (en) * | 1981-04-20 | 1985-01-22 | Joseph Barbanel | Process and apparatus for producing blow molded thermoplastic articles having improved weld strength |
| DE3435592A1 (de) * | 1984-09-28 | 1986-04-03 | Kautex Werke Reinold Hagen AG, 5300 Bonn | Verfahren zur herstellung von hohlkoerpern aus thermoplastischem kunststoff |
| US4699585A (en) * | 1984-09-28 | 1987-10-13 | Kautex-Werke Reinold Hagen Ag | Blow molding apparatus |
| DE3523137C1 (de) * | 1985-06-28 | 1986-04-30 | Audi AG, 8070 Ingolstadt | Verfahren zum Aufblasen und Fluorieren eines Kunststofftanks |
| DE3529870A1 (de) * | 1985-08-21 | 1987-02-26 | Basf Ag | Verfahren zur verringerung der permeation von blasgeformten hohlkoerpern aus thermoplastischen kunststoffen |
| EP0266439A1 (de) * | 1986-11-01 | 1988-05-11 | PVI Patent-Verwertungs- und Innovations-Gesellschaft mbH | Verfahren zur Herstellung von Hohlkörpern mit Innenfluorierung |
| US4752428A (en) * | 1987-01-28 | 1988-06-21 | Air Products And Chemicals, Inc. | Injection molding process with reactive gas treatment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1479288B2 (de) * | 1960-11-16 | 1971-11-11 | Geiger jun., Albert, 8100 Garmisch-Partenkirchen | Verfahren zum herstellen von hohlkoerpern aus thermoplasti schen kunststoffen im blasverfahren |
| NL6606650A (cs) * | 1966-05-14 | 1967-11-15 | ||
| US3862284A (en) * | 1973-05-10 | 1975-01-21 | Air Prod & Chem | Process for producing blow molded thermoplastic articles having improved barrier properties |
-
1978
- 1978-11-22 CA CA000316709A patent/CA1121956A/en not_active Expired
-
1979
- 1979-06-20 DE DE2924797A patent/DE2924797C2/de not_active Expired
- 1979-06-21 JP JP7863079A patent/JPS555893A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0124278A2 (en) | 1983-04-01 | 1984-11-07 | Exxon Research And Engineering Company | Improved process for the manufacture of halogenated polymers |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2924797C2 (de) | 1984-10-31 |
| JPS6221615B2 (cs) | 1987-05-13 |
| JPS555893A (en) | 1980-01-17 |
| DE2924797A1 (de) | 1980-01-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |