FI57550C - Foerfarande foer framstaellning av vaermekrympbart foerpackningslaminat - Google Patents
Foerfarande foer framstaellning av vaermekrympbart foerpackningslaminat Download PDFInfo
- Publication number
- FI57550C FI57550C FI1801/72A FI180172A FI57550C FI 57550 C FI57550 C FI 57550C FI 1801/72 A FI1801/72 A FI 1801/72A FI 180172 A FI180172 A FI 180172A FI 57550 C FI57550 C FI 57550C
- Authority
- FI
- Finland
- Prior art keywords
- vinylidene chloride
- plasticizer
- layers
- copolymer
- layer
- Prior art date
Links
- 239000010410 layer Substances 0.000 description 49
- 239000004014 plasticizer Substances 0.000 description 39
- 229920001577 copolymer Polymers 0.000 description 34
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 32
- 229920000642 polymer Polymers 0.000 description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 24
- 229910052760 oxygen Inorganic materials 0.000 description 24
- 239000001301 oxygen Substances 0.000 description 24
- 230000035699 permeability Effects 0.000 description 21
- PYGXAGIECVVIOZ-UHFFFAOYSA-N Dibutyl decanedioate Chemical compound CCCCOC(=O)CCCCCCCCC(=O)OCCCC PYGXAGIECVVIOZ-UHFFFAOYSA-N 0.000 description 13
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 12
- 238000001125 extrusion Methods 0.000 description 11
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 230000004888 barrier function Effects 0.000 description 7
- QZCLKYGREBVARF-UHFFFAOYSA-N Acetyl tributyl citrate Chemical compound CCCCOC(=O)CC(C(=O)OCCCC)(OC(C)=O)CC(=O)OCCCC QZCLKYGREBVARF-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 6
- LGXVIGDEPROXKC-UHFFFAOYSA-N 1,1-dichloroethene Chemical compound ClC(Cl)=C LGXVIGDEPROXKC-UHFFFAOYSA-N 0.000 description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 5
- 239000005977 Ethylene Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229920006254 polymer film Polymers 0.000 description 3
- LEUWBMAQQQENOO-UHFFFAOYSA-N 4-(4-chlorophenyl)-6-methyl-2-oxo-3,4-dihydro-1h-pyridine-5-carboxylic acid Chemical compound C1C(=O)NC(C)=C(C(O)=O)C1C1=CC=C(Cl)C=C1 LEUWBMAQQQENOO-UHFFFAOYSA-N 0.000 description 2
- 229920006257 Heat-shrinkable film Polymers 0.000 description 2
- ZFOZVQLOBQUTQQ-UHFFFAOYSA-N Tributyl citrate Chemical group CCCCOC(=O)CC(O)(C(=O)OCCCC)CC(=O)OCCCC ZFOZVQLOBQUTQQ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 125000005250 alkyl acrylate group Chemical group 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RDOFJDLLWVCMRU-UHFFFAOYSA-N Diisobutyl adipate Chemical compound CC(C)COC(=O)CCCCC(=O)OCC(C)C RDOFJDLLWVCMRU-UHFFFAOYSA-N 0.000 description 1
- 241000208822 Lactuca Species 0.000 description 1
- 235000003228 Lactuca sativa Nutrition 0.000 description 1
- CGSLYBDCEGBZCG-UHFFFAOYSA-N Octicizer Chemical compound C=1C=CC=CC=1OP(=O)(OCC(CC)CCCC)OC1=CC=CC=C1 CGSLYBDCEGBZCG-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920005622 compatible polymer blend Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229940031769 diisobutyl adipate Drugs 0.000 description 1
- ASMQGLCHMVWBQR-UHFFFAOYSA-M diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)([O-])OC1=CC=CC=C1 ASMQGLCHMVWBQR-UHFFFAOYSA-M 0.000 description 1
- HHEAADYXPMHMCT-UHFFFAOYSA-N dpph Chemical compound [O-][N+](=O)C1=CC([N+](=O)[O-])=CC([N+]([O-])=O)=C1[N]N(C=1C=CC=CC=1)C1=CC=CC=C1 HHEAADYXPMHMCT-UHFFFAOYSA-N 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011785 micronutrient Substances 0.000 description 1
- 235000013369 micronutrients Nutrition 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 229920001959 vinylidene polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
- B32B2038/0028—Stretching, elongating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
- B32B2307/7244—Oxygen barrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2355/00—Specific polymers obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of index codes B32B2323/00 - B32B2333/00
- B32B2355/02—ABS polymers, i.e. acrylonitrile-butadiene-styrene polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Wrappers (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2953271 | 1971-06-23 | ||
| GB2953271 | 1971-06-23 | ||
| GB198672*[A GB1385196A (en) | 1971-06-23 | 1972-01-14 | Process for the production of laminates |
| GB198672 | 1972-01-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI57550B FI57550B (fi) | 1980-05-30 |
| FI57550C true FI57550C (fi) | 1980-09-10 |
Family
ID=26237119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI1801/72A FI57550C (fi) | 1971-06-23 | 1972-06-22 | Foerfarande foer framstaellning av vaermekrympbart foerpackningslaminat |
Country Status (15)
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5449288A (en) * | 1977-09-05 | 1979-04-18 | Kureha Chemical Ind Co Ltd | Method of heating and wrapping to vacuum |
| US4207363A (en) * | 1978-03-29 | 1980-06-10 | Union Carbide Corporation | Flexible heat-shrinkable multilayer film for packaging primal meat |
| CA1139513A (en) * | 1979-01-03 | 1983-01-18 | Theodore Churma | Polyvinylidene chloride and ethylene vinyl acetate film and method for making the same |
| JPS5775856A (en) * | 1980-10-31 | 1982-05-12 | Kureha Chemical Ind Co Ltd | Laminated film |
| US7052753B1 (en) | 1985-05-16 | 2006-05-30 | Pechiney Emballage Flexible Europe | Multiple layer polymeric films and process for making them |
| US4894107A (en) | 1985-05-16 | 1990-01-16 | American National Can Company | Process for making multiple layer polymeric films |
| US4698111A (en) * | 1985-07-15 | 1987-10-06 | W. R. Grace & Co., Cryovac Div. | Vinylidene chloride composition and film made therefrom |
| US4686148A (en) * | 1985-07-15 | 1987-08-11 | W. R. Grace & Co., Cryovac Div. | Vinylidene chloride composition and film made therefrom |
| US5019453A (en) * | 1985-09-12 | 1991-05-28 | Guerra Richard J | Composite material and method of making same |
| US4992335A (en) * | 1985-09-12 | 1991-02-12 | Sanders Associates, Inc. | Composite material and method of making same |
| US4935308A (en) * | 1985-09-12 | 1990-06-19 | Sanders Associates | Composite material and method of making same |
| IT1204529B (it) * | 1987-04-24 | 1989-03-03 | Grace W R & Co | Pellicola multistrato per l'imballaggio di articoli in atmosfera contrallata |
| US4965136A (en) * | 1988-08-16 | 1990-10-23 | W. R. Grace & Co.-Conn. | Extruded vinylidene chloride copolymer flexible packaging film |
| US5030511A (en) * | 1989-06-09 | 1991-07-09 | W. R. Grace & Co.-Conn. | Extruded vinylidene chloride copolymer flexible packaging film |
| US5079051A (en) * | 1989-12-08 | 1992-01-07 | W. R. Grace & Co.-Conn. | High shrink energy/high modulus thermoplastic multi-layer packaging film and bags made therefrom |
| US5108844A (en) * | 1989-12-28 | 1992-04-28 | American National Can Company | Blended films, structures therefrom, and methods of making and using them |
| US5202188A (en) * | 1991-08-23 | 1993-04-13 | W. R. Grace & Co.-Conn. | Vinylidene chloride film |
| NZ244002A (en) * | 1991-08-23 | 1996-03-26 | Grace W R & Co | Extrudable composition containing plasticiser, acrylate/styrene polymer and vinylidene chloride copolymer; multilayer polymeric films |
| US5538770A (en) * | 1994-11-18 | 1996-07-23 | W. R. Grace & Co. -Conn. | Vinylidene chloride film with controlled gas permeability |
| US6045924A (en) * | 1996-06-19 | 2000-04-04 | Cryovac, Inc. | Film from a vinylidene chloride copolymer containing blend |
| DE102016122818B4 (de) * | 2016-11-25 | 2019-11-28 | Waldemar Schmidt | Co-extrudierte PVC-Lebensmittelverpackungsfolie und Verfahren zu deren Herstellung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1035119A (en) * | 1963-05-10 | 1966-07-06 | Union Carbide Corp | Process for preparing graft polymers having high impact strength |
| FR1484153A (fr) * | 1965-07-01 | 1967-06-09 | Dow Chemical Co | Film d'emballage et procédé de fabrication de ce film |
| US3524795A (en) * | 1965-07-01 | 1970-08-18 | Dow Chemical Co | Packaging film |
| GB1158140A (en) * | 1965-12-08 | 1969-07-16 | Nat Distillers Chem Corp | High Barrier Thermoplastic Film |
| US3337914A (en) * | 1966-01-03 | 1967-08-29 | Nat Distillers Chem Corp | Stacked extrusion die |
| GB1130024A (en) * | 1966-05-11 | 1968-10-09 | Grace W R & Co | Improvements relating to shrink packaging |
-
1972
- 1972-01-14 GB GB198672*[A patent/GB1385196A/en not_active Expired
- 1972-06-21 DE DE2230255A patent/DE2230255C2/de not_active Expired
- 1972-06-22 FI FI1801/72A patent/FI57550C/fi active
- 1972-06-22 SE SE7208329A patent/SE399213B/xx unknown
- 1972-06-23 FR FR7222903A patent/FR2143440B1/fr not_active Expired
- 1972-06-23 AR AR242743A patent/AR196877A1/es active
- 1972-06-23 CA CA145,570A patent/CA968689A/en not_active Expired
- 1972-06-23 BE BE785394A patent/BE785394A/xx not_active IP Right Cessation
- 1972-06-23 IT IT2615472A patent/IT959948B/it active
- 1972-06-23 ES ES404180A patent/ES404180A1/es not_active Expired
- 1972-06-23 DK DK312972A patent/DK144002C/da not_active IP Right Cessation
- 1972-06-23 CH CH942772A patent/CH577382A5/xx not_active IP Right Cessation
- 1972-06-23 NO NO2268/72A patent/NO139205C/no unknown
- 1972-06-23 JP JP6248072A patent/JPS5551747B1/ja active Pending
- 1972-06-23 NL NLAANVRAGE7208635,A patent/NL172930C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT959948B (it) | 1973-11-10 |
| CH577382A5 (enrdf_load_stackoverflow) | 1976-07-15 |
| DK144002C (da) | 1982-04-19 |
| DK144002B (da) | 1981-11-16 |
| FI57550B (fi) | 1980-05-30 |
| NL172930C (nl) | 1983-11-16 |
| DE2230255C2 (de) | 1984-06-07 |
| NL172930B (nl) | 1983-06-16 |
| FR2143440B1 (enrdf_load_stackoverflow) | 1976-12-03 |
| AR196877A1 (es) | 1974-02-28 |
| BE785394A (fr) | 1972-10-16 |
| GB1385196A (en) | 1975-02-26 |
| NL7208635A (enrdf_load_stackoverflow) | 1972-12-28 |
| FR2143440A1 (enrdf_load_stackoverflow) | 1973-02-02 |
| NO139205B (no) | 1978-10-16 |
| ES404180A1 (es) | 1975-11-16 |
| SE399213B (sv) | 1978-02-06 |
| NO139205C (no) | 1979-01-24 |
| CA968689A (en) | 1975-06-03 |
| JPS5551747B1 (enrdf_load_stackoverflow) | 1980-12-26 |
| DE2230255A1 (de) | 1973-01-11 |
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