CA1325090C - Pellicule multicouche comprenant une couche de polyethylene a tres faible densite - Google Patents

Pellicule multicouche comprenant une couche de polyethylene a tres faible densite

Info

Publication number: CA1325090C
Authority: CA; Canada
Prior art keywords: layer; film; low density; barrier; density polyethylene
Prior art date: 1985-04-29
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 - Fee Related

Application number

CA000616430A

Other languages

English (en)

Inventor

Daniel J. Ferguson

Henry George Schirmer

Walter Berndt Mueller

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Cryovac LLC

Original Assignee

WR Grace and Co Conn

Priority date (The priority date 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 date listed.)

1985-04-29

Filing date

1992-06-26

Publication date

1993-12-14

1985-04-29 Priority claimed from US06/728,428 external-priority patent/US4640856A/en

1992-06-26 Application filed by WR Grace and Co Conn filed Critical WR Grace and Co Conn

1992-06-26 Priority to CA000616430A priority Critical patent/CA1325090C/fr

1993-12-14 Application granted granted Critical

1993-12-14 Publication of CA1325090C publication Critical patent/CA1325090C/fr

2006-02-25 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000004708 Very-low-density polyethylene Substances 0.000 title claims abstract description 32
229920001866 very low density polyethylene Polymers 0.000 title claims abstract description 26
239000010410 layer Substances 0.000 claims abstract description 150
230000004888 barrier function Effects 0.000 claims abstract description 42
229920001577 copolymer Polymers 0.000 claims abstract description 31
229920000573 polyethylene Polymers 0.000 claims abstract description 24
229920001169 thermoplastic Polymers 0.000 claims abstract description 21
239000004416 thermosoftening plastic Substances 0.000 claims abstract description 19
239000000758 substrate Substances 0.000 claims abstract description 14
239000013047 polymeric layer Substances 0.000 claims abstract description 9
229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 36
239000005038 ethylene vinyl acetate Substances 0.000 claims description 34
239000000463 material Substances 0.000 claims description 31
229920000092 linear low density polyethylene Polymers 0.000 claims description 13
239000004707 linear low-density polyethylene Substances 0.000 claims description 12
239000000853 adhesive Substances 0.000 claims description 9
230000001070 adhesive effect Effects 0.000 claims description 9
229920000642 polymer Polymers 0.000 claims description 9
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
239000000155 melt Substances 0.000 claims description 8
239000000203 mixture Substances 0.000 claims description 7
238000001125 extrusion Methods 0.000 claims description 4
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 claims description 3
239000012790 adhesive layer Substances 0.000 claims description 3
238000009835 boiling Methods 0.000 claims description 2
229920001038 ethylene copolymer Polymers 0.000 claims 3
230000005855 radiation Effects 0.000 claims 2
239000002344 surface layer Substances 0.000 claims 2
239000004698 Polyethylene Substances 0.000 abstract description 26
-1 polyethylene Polymers 0.000 abstract description 21
229920000219 Ethylene vinyl alcohol Polymers 0.000 abstract description 6
239000004715 ethylene vinyl alcohol Substances 0.000 abstract description 6
RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 abstract description 2
238000004806 packaging method and process Methods 0.000 abstract description 2
235000020989 red meat Nutrition 0.000 abstract 1
229920006300 shrink film Polymers 0.000 abstract 1
238000000034 method Methods 0.000 description 27
235000013372 meat Nutrition 0.000 description 12
229920001328 Polyvinylidene chloride Polymers 0.000 description 10
239000005033 polyvinylidene chloride Substances 0.000 description 10
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 9
239000005977 Ethylene Substances 0.000 description 8
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
238000000576 coating method Methods 0.000 description 6
239000001301 oxygen Substances 0.000 description 6
229910052760 oxygen Inorganic materials 0.000 description 6
229940068921 polyethylenes Drugs 0.000 description 6
239000011248 coating agent Substances 0.000 description 5
235000013351 cheese Nutrition 0.000 description 4
UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 4
229920005989 resin Polymers 0.000 description 4
239000011347 resin Substances 0.000 description 4
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 3
238000005516 engineering process Methods 0.000 description 3
239000007789 gas Substances 0.000 description 3
150000002500 ions Chemical class 0.000 description 3
238000002844 melting Methods 0.000 description 3
230000008018 melting Effects 0.000 description 3
229920003023 plastic Polymers 0.000 description 3
239000004033 plastic Substances 0.000 description 3
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
150000001336 alkenes Chemical class 0.000 description 2
210000000988 bone and bone Anatomy 0.000 description 2
DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 2
239000013068 control sample Substances 0.000 description 2
238000004132 cross linking Methods 0.000 description 2
238000009826 distribution Methods 0.000 description 2
238000007765 extrusion coating Methods 0.000 description 2
235000013305 food Nutrition 0.000 description 2
229920001684 low density polyethylene Polymers 0.000 description 2
239000004702 low-density polyethylene Substances 0.000 description 2
238000002156 mixing Methods 0.000 description 2
239000000178 monomer Substances 0.000 description 2
JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
244000144977 poultry Species 0.000 description 2
VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
241000518994 Conta Species 0.000 description 1
241001663154 Electron Species 0.000 description 1
240000002129 Malva sylvestris Species 0.000 description 1
235000006770 Malva sylvestris Nutrition 0.000 description 1
239000004677 Nylon Substances 0.000 description 1
229920003300 Plexar® Polymers 0.000 description 1
239000004743 Polypropylene Substances 0.000 description 1
230000032683 aging Effects 0.000 description 1
239000008280 blood Substances 0.000 description 1
210000004369 blood Anatomy 0.000 description 1
IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
125000004432 carbon atom Chemical group C* 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
PBAYDYUZOSNJGU-UHFFFAOYSA-N chelidonic acid Natural products OC(=O)C1=CC(=O)C=C(C(O)=O)O1 PBAYDYUZOSNJGU-UHFFFAOYSA-N 0.000 description 1
238000010276 construction Methods 0.000 description 1
235000013365 dairy product Nutrition 0.000 description 1
230000032798 delamination Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
229920001971 elastomer Polymers 0.000 description 1
125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
229920001903 high density polyethylene Polymers 0.000 description 1
239000004700 high-density polyethylene Substances 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
230000001788 irregular Effects 0.000 description 1
235000013622 meat product Nutrition 0.000 description 1
239000002184 metal Substances 0.000 description 1
229920001778 nylon Polymers 0.000 description 1
230000003287 optical effect Effects 0.000 description 1
239000012785 packaging film Substances 0.000 description 1
229920006280 packaging film Polymers 0.000 description 1
230000000704 physical effect Effects 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
230000000379 polymerizing effect Effects 0.000 description 1
229920001155 polypropylene Polymers 0.000 description 1
235000013594 poultry meat Nutrition 0.000 description 1
235000020991 processed meat Nutrition 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
239000005060 rubber Substances 0.000 description 1
239000000523 sample Substances 0.000 description 1
229920006298 saran Polymers 0.000 description 1
238000007789 sealing Methods 0.000 description 1
239000002356 single layer Substances 0.000 description 1
238000003307 slaughter Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1
229940117958 vinyl acetate Drugs 0.000 description 1

Landscapes

Laminated Bodies (AREA)

CA000616430A 1985-04-29 1992-06-26 Pellicule multicouche comprenant une couche de polyethylene a tres faible densite Expired - Fee Related CA1325090C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000616430A CA1325090C (fr)	1985-04-29	1992-06-26	Pellicule multicouche comprenant une couche de polyethylene a tres faible densite

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US728,428		1985-04-29
US06/728,428 US4640856A (en)	1985-04-29	1985-04-29	Multi-layer packaging film and receptacles made therefrom
CA502615		1986-02-25
CA000616430A CA1325090C (fr)	1985-04-29	1992-06-26	Pellicule multicouche comprenant une couche de polyethylene a tres faible densite

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000616430A Division CA1325090C (fr)	1985-04-29	1992-06-26	Pellicule multicouche comprenant une couche de polyethylene a tres faible densite

Related Child Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000616430A Division CA1325090C (fr)	1985-04-29	1992-06-26	Pellicule multicouche comprenant une couche de polyethylene a tres faible densite

Publications (1)

Publication Number	Publication Date
CA1325090C true CA1325090C (fr)	1993-12-14

Family

ID=25670918

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000616430A Expired - Fee Related CA1325090C (fr)	1985-04-29	1992-06-26	Pellicule multicouche comprenant une couche de polyethylene a tres faible densite

Country Status (1)

Country	Link
CA (1)	CA1325090C (fr)

1992
- 1992-06-26 CA CA000616430A patent/CA1325090C/fr not_active Expired - Fee Related

Legal Events

Date	Code	Title	Description
2008-12-15	MKLA	Lapsed

Publication	Publication Date	Title
US4640856A (en)	1987-02-03	Multi-layer packaging film and receptacles made therefrom
CA1113371A (fr)	1981-12-01	Pellicule autosoudable de conditionnement
CA2085813C (fr)	2001-06-12	Formulation pour emballage-barriere haute resistance et thermoretrecissable pour le conditionnement des viandes
AU700179B2 (en)	1998-12-24	Highly oriented multilayer film
US3741253A (en)	1973-06-26	Laminates of ethylene vinyl acetate polymers and polymers of vinylidene chloride
CA2022977C (fr)	2001-01-02	Pellicule d'emballage thermoplastique multi-couches; sacs obtenus a l'aide de ladite pellicule constituee de deux couches de polyethylene de tres faible densite
AU701139B2 (en)	1999-01-21	Improved structures of polymers made from single site catalysts
AU692957B2 (en)	1998-06-18	Patch bag comprising homogeneous ethylene/alpha-olefin copolymer
JP2806946B2 (ja)	1998-09-30	多層熱収縮性包装フイルム
AU1336997A (en)	1997-07-14	Biaxially oriented polyethylene films
WO1997022470A9 (fr)	1997-09-04	Films de polyethylene a orientation biaxiale
CA2342852A1 (fr)	2000-03-09	Structures de polymeres ameliorees realisees a partir de catalyseurs a site unique
US3953557A (en)	1976-04-27	Polymer film with narrow molecular weight distribution and saran and laminates thereof
US4183882A (en)	1980-01-15	Self-welding packaging film
US4778715A (en)	1988-10-18	Inter-ply adhesion between saran and linear ethylene copolymers
US4909881A (en)	1990-03-20	Bonding method effecting inter-ply adhesion between saran and linear ethylene copolymers
CA1325090C (fr)	1993-12-14	Pellicule multicouche comprenant une couche de polyethylene a tres faible densite
US4755436A (en)	1988-07-05	Inter-ply adhesion between saran and linear ethylene copolymers
GB2328676A (en)	1999-03-03	Patch bag comprising homogeneous ethylene/alpha-olefin copolymer
CA1299327C (fr)	1992-04-28	Piece de renfort pour sac thermoretractable
US4842952A (en)	1989-06-27	Inter-ply adhesion between saran and linear ethylene copolymers
EP0880437A1 (fr)	1998-12-02	Film multicouche permeable a l'oxygene et ayant un module eleve, procede d'emballage utilisant ce film, et produit emballe le comprenant
AU704143B2 (en)	1999-04-15	Patch bag having supplemental seal
AU681358B2 (en)	1997-08-28	Formulation of high abuse, high shrink barrier bags for meat packaging