CA1244785A - Easy open shrinkable laminates - Google Patents
Easy open shrinkable laminatesInfo
- Publication number
- CA1244785A CA1244785A CA000492060A CA492060A CA1244785A CA 1244785 A CA1244785 A CA 1244785A CA 000492060 A CA000492060 A CA 000492060A CA 492060 A CA492060 A CA 492060A CA 1244785 A CA1244785 A CA 1244785A
- Authority
- CA
- Canada
- Prior art keywords
- layer
- web
- ethylene vinyl
- ionomer
- vinyl acetate
- 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
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 66
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 64
- 239000000565 sealant Substances 0.000 claims abstract description 64
- 229920000554 ionomer Polymers 0.000 claims abstract description 60
- 235000013305 food Nutrition 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims description 37
- 239000004743 Polypropylene Substances 0.000 claims description 18
- -1 polypropylene Polymers 0.000 claims description 17
- 229920001155 polypropylene Polymers 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 17
- 230000004927 fusion Effects 0.000 claims description 15
- 229920001577 copolymer Polymers 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 11
- 230000032798 delamination Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 238000003856 thermoforming Methods 0.000 claims description 11
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 10
- 229910052725 zinc Inorganic materials 0.000 claims description 10
- 239000011701 zinc Substances 0.000 claims description 10
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 9
- 239000004677 Nylon Substances 0.000 claims description 7
- 229920001778 nylon Polymers 0.000 claims description 7
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000004715 ethylene vinyl alcohol Substances 0.000 claims 1
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 claims 1
- 235000013580 sausages Nutrition 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 157
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 27
- 239000000463 material Substances 0.000 description 11
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 8
- 239000012790 adhesive layer Substances 0.000 description 7
- 239000005977 Ethylene Substances 0.000 description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 229920002554 vinyl polymer Polymers 0.000 description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 229920001169 thermoplastic Polymers 0.000 description 4
- 239000004416 thermosoftening plastic Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 3
- 229920003944 DuPont™ Surlyn® 1702 Polymers 0.000 description 3
- 229920003182 Surlyn® Polymers 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000007666 vacuum forming Methods 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 229920012753 Ethylene Ionomers Polymers 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 229940099514 low-density polyethylene Drugs 0.000 description 2
- 229920006280 packaging film Polymers 0.000 description 2
- 239000012785 packaging film Substances 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 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 1
- 101150034533 ATIC gene Proteins 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 101000617296 Homo sapiens Protein SEC13 homolog Proteins 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 102100021725 Protein SEC13 homolog Human genes 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 150000007942 carboxylates Chemical group 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003145 methacrylic acid copolymer Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- NQLVQOSNDJXLKG-UHFFFAOYSA-N prosulfocarb Chemical compound CCCN(CCC)C(=O)SCC1=CC=CC=C1 NQLVQOSNDJXLKG-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
- A22C—PROCESSING MEAT, POULTRY, OR FISH
- A22C13/00—Sausage casings
- A22C13/0013—Chemical composition of synthetic sausage casings
-
- 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
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/06—Interconnection of layers permitting easy separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5855—Peelable seals
-
- A—HUMAN NECESSITIES
- A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
- A22C—PROCESSING MEAT, POULTRY, OR FISH
- A22C13/00—Sausage casings
- A22C2013/0036—Sausage casings with features allowing an easy opening and/or removal of the casing
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/05—5 or more layers
-
- 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
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/31—Heat sealable
-
- 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
- B32B2323/046—LDPE, i.e. low density 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
- B32B2331/00—Polyvinylesters
- B32B2331/04—Polymers of vinyl acetate, e.g. PVA
-
- 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
- B32B2377/00—Polyamides
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/26—Articles or materials wholly enclosed in laminated sheets or wrapper blanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
- B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
- B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Packages (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70364585A | 1985-02-21 | 1985-02-21 | |
| US703,645 | 1985-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1244785A true CA1244785A (en) | 1988-11-15 |
Family
ID=24826228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000492060A Expired CA1244785A (en) | 1985-02-21 | 1985-10-02 | Easy open shrinkable laminates |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS61193848A (enrdf_load_stackoverflow) |
| AU (1) | AU582599B2 (enrdf_load_stackoverflow) |
| BR (1) | BR8504816A (enrdf_load_stackoverflow) |
| CA (1) | CA1244785A (enrdf_load_stackoverflow) |
| DE (1) | DE3605400A1 (enrdf_load_stackoverflow) |
| NL (1) | NL8502771A (enrdf_load_stackoverflow) |
| NZ (1) | NZ213313A (enrdf_load_stackoverflow) |
| ZA (1) | ZA856798B (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2610875B2 (ja) * | 1987-06-02 | 1997-05-14 | 出光石油化学 株式会社 | 易開封性包装体およびその製造方法 |
| DE20100355U1 (de) | 2001-01-10 | 2001-04-05 | Hueck Folien GmbH & Co. KG, 92712 Pirk | Behälter |
| US7045566B2 (en) * | 2002-11-12 | 2006-05-16 | E.I. Du Pont De Nemours And Company | Moisture and gas permeable non-porous ionomeric films |
| DE202006018008U1 (de) * | 2006-11-27 | 2008-04-10 | MEICA Ammerländische Fleischwarenfabrik Fritz Meinen GmbH & Co. | Verpackungs- und Speiseschale für Wurstwaren |
| ES2676605B1 (es) * | 2017-01-26 | 2019-08-13 | Motto Elevation S L | Procedimiento de montaje de un elevador en el mastil de una grua torre |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU553698B2 (en) * | 1983-02-09 | 1986-07-24 | Kureha Kagaku Kogyo Kabushiki Kaisha | Heat shrinkable laminate |
| US4615926A (en) * | 1984-07-20 | 1986-10-07 | American Can Company | Film and package having strong seals and a modified ply-separation opening |
| US4643926A (en) * | 1985-04-29 | 1987-02-17 | W. R. Grace & Co., Cryovac Div. | Flexible medical solution pouches |
-
1985
- 1985-08-30 NZ NZ213313A patent/NZ213313A/en unknown
- 1985-09-04 ZA ZA856798A patent/ZA856798B/xx unknown
- 1985-09-30 BR BR8504816A patent/BR8504816A/pt unknown
- 1985-10-02 CA CA000492060A patent/CA1244785A/en not_active Expired
- 1985-10-10 NL NL8502771A patent/NL8502771A/nl not_active Application Discontinuation
- 1985-10-31 JP JP60243031A patent/JPS61193848A/ja active Granted
- 1985-11-13 AU AU49842/85A patent/AU582599B2/en not_active Ceased
-
1986
- 1986-02-20 DE DE19863605400 patent/DE3605400A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| ZA856798B (en) | 1986-04-30 |
| JPH0528180B2 (enrdf_load_stackoverflow) | 1993-04-23 |
| AU4984285A (en) | 1986-08-28 |
| DE3605400A1 (de) | 1986-08-21 |
| JPS61193848A (ja) | 1986-08-28 |
| NZ213313A (en) | 1987-10-30 |
| AU582599B2 (en) | 1989-04-06 |
| NL8502771A (nl) | 1986-09-16 |
| BR8504816A (pt) | 1986-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |