NO312904B1 - Multilags polyetylenfilm, fremgangsmåte for fremstilling og anvendelse av samme - Google Patents

Multilags polyetylenfilm, fremgangsmåte for fremstilling og anvendelse av samme Download PDF

Info

Publication number: NO312904B1
Authority: NO; Norway
Prior art keywords: lldpe; film; layer; roller; density
Prior art date: 1995-09-01

Application number

NO19961971A

Other languages

English (en)

Norwegian (no)

Other versions

NO961971D0 (no

NO961971L (no

Inventor

Giuseppe Brambilla

Original Assignee

Manuli Stretch Spa

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.)

1995-09-01

Filing date

1996-05-14

Publication date

2002-07-15

1996-05-14 Application filed by Manuli Stretch Spa filed Critical Manuli Stretch Spa

1996-05-14 Publication of NO961971D0 publication Critical patent/NO961971D0/no

1997-03-03 Publication of NO961971L publication Critical patent/NO961971L/no

2002-07-15 Publication of NO312904B1 publication Critical patent/NO312904B1/no

Links

239000004698 Polyethylene Substances 0.000 title claims description 16
-1 polyethylene Polymers 0.000 title claims description 16
229920000573 polyethylene Polymers 0.000 title claims description 16
238000000034 method Methods 0.000 title claims description 15
230000008569 process Effects 0.000 title claims description 5
229920000092 linear low density polyethylene Polymers 0.000 claims abstract description 53
239000004707 linear low-density polyethylene Substances 0.000 claims abstract description 53
239000000463 material Substances 0.000 claims description 39
239000010410 layer Substances 0.000 claims description 36
229920001684 low density polyethylene Polymers 0.000 claims description 24
239000004702 low-density polyethylene Substances 0.000 claims description 23
238000001816 cooling Methods 0.000 claims description 16
230000007480 spreading Effects 0.000 claims description 14
238000003892 spreading Methods 0.000 claims description 14
238000004519 manufacturing process Methods 0.000 claims description 13
238000004806 packaging method and process Methods 0.000 claims description 12
239000000203 mixture Substances 0.000 claims description 11
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 8
239000000498 cooling water Substances 0.000 claims description 8
230000001070 adhesive effect Effects 0.000 claims description 7
239000000853 adhesive Substances 0.000 claims description 6
238000001125 extrusion Methods 0.000 claims description 5
230000002093 peripheral effect Effects 0.000 claims description 4
229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
239000011707 mineral Substances 0.000 claims description 3
239000012790 adhesive layer Substances 0.000 claims description 2
239000011449 brick Substances 0.000 claims description 2
239000000825 pharmaceutical preparation Substances 0.000 claims description 2
229940127557 pharmaceutical product Drugs 0.000 claims description 2
229910010293 ceramic material Inorganic materials 0.000 claims 1
238000010791 quenching Methods 0.000 abstract description 2
230000000171 quenching effect Effects 0.000 abstract description 2
229920000642 polymer Polymers 0.000 description 10
150000001875 compounds Chemical class 0.000 description 6
239000005977 Ethylene Substances 0.000 description 4
229920006257 Heat-shrinkable film Polymers 0.000 description 4
230000000052 comparative effect Effects 0.000 description 4
239000004711 α-olefin Substances 0.000 description 4
VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 3
230000009471 action Effects 0.000 description 3
238000010438 heat treatment Methods 0.000 description 3
238000012856 packing Methods 0.000 description 3
238000005266 casting Methods 0.000 description 2
230000006835 compression Effects 0.000 description 2
238000007906 compression Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000011159 matrix material Substances 0.000 description 2
239000000155 melt Substances 0.000 description 2
238000006116 polymerization reaction Methods 0.000 description 2
230000001105 regulatory effect Effects 0.000 description 2
229920005989 resin Polymers 0.000 description 2
239000011347 resin Substances 0.000 description 2
229920001169 thermoplastic Polymers 0.000 description 2
239000004416 thermosoftening plastic Substances 0.000 description 2
ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 description 1
LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
239000000654 additive Substances 0.000 description 1
125000000217 alkyl group Chemical group 0.000 description 1
239000003963 antioxidant agent Substances 0.000 description 1
230000008901 benefit Effects 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
239000004568 cement Substances 0.000 description 1
239000000919 ceramic Substances 0.000 description 1
230000008859 change Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000003086 colorant Substances 0.000 description 1
239000012967 coordination catalyst Substances 0.000 description 1
229920001577 copolymer Polymers 0.000 description 1
125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
239000003063 flame retardant Substances 0.000 description 1
229910052735 hafnium Inorganic materials 0.000 description 1
229910052736 halogen Inorganic materials 0.000 description 1
125000005843 halogen group Chemical group 0.000 description 1
238000000265 homogenisation Methods 0.000 description 1
238000012858 packaging process Methods 0.000 description 1
239000000049 pigment Substances 0.000 description 1
239000002985 plastic film Substances 0.000 description 1
229920005672 polyolefin resin Polymers 0.000 description 1
229920005606 polypropylene copolymer Polymers 0.000 description 1
238000010526 radical polymerization reaction Methods 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000005096 rolling process Methods 0.000 description 1
239000002356 single layer Substances 0.000 description 1
229940035049 sorbitan monooleate Drugs 0.000 description 1
235000011069 sorbitan monooleate Nutrition 0.000 description 1
239000001593 sorbitan monooleate Substances 0.000 description 1
229920006302 stretch film Polymers 0.000 description 1
239000000126 substance Substances 0.000 description 1
150000003623 transition metal compounds Chemical class 0.000 description 1

Classifications

- 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
- 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
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/914—Cooling drums
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
- B29C48/9185—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the material
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
- 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
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
- 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
- B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
- B65D71/0088—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck
- 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
- B32B2250/24—All layers being polymeric
- B32B2250/242—All polymers belonging to those covered by group B32B27/32
- 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
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/02—Temperature
- 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
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/08—Dimensions, e.g. volume
- B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
- B32B2309/105—Thickness
- 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
- 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
- B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
- B65D2571/00006—Palletisable loads, i.e. loads intended to be transported by means of a fork-lift truck
- B65D2571/00012—Bundles surrounded by a film
- B65D2571/00018—Bundles surrounded by a film under tension
- B65D2571/0003—Mechanical characteristics of the stretch film
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y10T428/31913—Monoolefin polymer
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Fluid Mechanics (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)
Laminated Bodies (AREA)
Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Medical Preparation Storing Or Oral Administration Devices (AREA)
Wrappers (AREA)

NO19961971A 1995-09-01 1996-05-14 Multilags polyetylenfilm, fremgangsmåte for fremstilling og anvendelse av samme NO312904B1 (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT1995MI001850A IT1304704B1 (it)	1995-09-01	1995-09-01	Film multistrato polietilenico

Publications (3)

Publication Number	Publication Date
NO961971D0 NO961971D0 (no)	1996-05-14
NO961971L NO961971L (no)	1997-03-03
NO312904B1 true NO312904B1 (no)	2002-07-15

Family

ID=11372207

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO19961971A NO312904B1 (no)	1995-09-01	1996-05-14	Multilags polyetylenfilm, fremgangsmåte for fremstilling og anvendelse av samme

Country Status (18)

Country	Link
US (1)	US5916692A (pl)
EP (1)	EP0781651B1 (pl)
JP (1)	JPH0970932A (pl)
KR (1)	KR970015016A (pl)
CN (1)	CN1147453A (pl)
AR (1)	AR003479A1 (pl)
AT (1)	ATE185316T1 (pl)
AU (1)	AU706012B2 (pl)
BR (1)	BR9601544A (pl)
CA (1)	CA2180930A1 (pl)
DE (1)	DE69604558T2 (pl)
DK (1)	DK0781651T3 (pl)
ES (1)	ES2137570T3 (pl)
HU (1)	HU215094B (pl)
IT (1)	IT1304704B1 (pl)
NO (1)	NO312904B1 (pl)
PL (1)	PL182545B1 (pl)
RU (1)	RU2155675C2 (pl)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1277038B1 (it) *	1995-12-06	1997-11-04	Pentacast Srl	Film multistrato polietilenico
US6423421B1 (en)	1999-08-11	2002-07-23	Sealed Air Corporation	Heat shrinkable film with multicomponent interpenetrating network resin
DE10024707A1 (de) *	2000-05-18	2001-11-29	Fresenius Medical Care De Gmbh	Elastische Folie
DE10162974B4 (de) *	2000-12-25	2014-02-20	Sumitomo Chemical Co. Ltd.	Blasfolie
US7422786B2 (en) *	2003-09-24	2008-09-09	Exxonmobil Chemical Patents Inc.	Collation shrink
CA2579156A1 (en) *	2004-09-01	2006-03-16	Pliant Corporation	Chill cast mulch film
JP4932149B2 (ja) *	2004-10-20	2012-05-16	大日本印刷株式会社	液体用紙容器
CN1760087B (zh) *	2005-11-04	2010-08-11	大连富利达塑料制品有限公司	五层共挤复合高阻隔液体包装膜
CA2534943C (en) *	2006-02-01	2012-01-31	Thomas F. Clarke	Multi-layer wrap
US7943218B2 (en) *	2006-08-14	2011-05-17	Frito-Lay North America, Inc.	Environmentally-friendly multi-layer flexible film having barrier properties
BE1017659A3 (nl)	2007-06-21	2009-03-03	Combipac Bv	Voorgerokken rekwikkelfolie.
BE1017770A3 (nl)	2007-09-28	2009-06-02	Combipac Bv	Voorgerokken rekwikkelfolie.
WO2010046098A1 (en) *	2008-10-24	2010-04-29	Saudi Basic Industries Corporation	Multi layer film
US8012572B2 (en) *	2009-03-06	2011-09-06	Cryovac, Inc.	Multilayer, heat-shrinkable film comprising a plurality of microlayers
BRPI0923985B1 (pt) *	2009-03-31	2019-10-08	Dow Global Technologies Llc	Película multicamada e artigo fabricado
KR101114087B1 (ko) *	2009-08-21	2012-02-22	호남석유화학 주식회사	필름용 폴리에틸렌 수지 조성물 및 이를 제조하는 방법과 필름용 폴리에틸렌 수지 조성물을 이용하여 제조된 필름
ITMI20091512A1 (it) *	2009-08-28	2011-02-28	Al Ma C Packaging S R L	Procedimento per il confezionamento di gruppi di contenitori per prodotti liquidi alimentari, in particolare bottiglie di acqua e/o bevande, e fardello ottenibile per mezzo di tale procedimento
CN102501528A (zh) *	2011-11-09	2012-06-20	大连富利达塑料制品有限公司	用于食品包装的无异味膜
CN102501509A (zh) *	2011-11-09	2012-06-20	大连富利达塑料制品有限公司	真空包装米类物料的材料
US10583628B2 (en)	2012-04-27	2020-03-10	Dow Brasil Indústria E Comércio De Produtos Químicos Ltda	Stiff polyethylene film with enhanced optical properties
WO2015061516A1 (en)	2013-10-25	2015-04-30	Dow Global Technologies Llc	Stiff polyethylene film with enhanced optical properties
US10357940B2 (en)	2014-08-07	2019-07-23	Dow Global Technologies Llc	Multilayer metallized cast film and packaging made therefrom
CN104309241A (zh) *	2014-11-18	2015-01-28	绵阳昌隆塑料制品有限公司	一种低压塑料膜
WO2018089440A1 (en) *	2016-11-09	2018-05-17	Berry Plastics Corporation	Prestretched apertured elastic film with resistance to web breaks
PL3403823T3 (pl)	2017-05-18	2020-07-13	Ergis S.A.	Folia wielowarstwowa i sposób produkcji folii wielowarstwowej
CN109468855A (zh) *	2018-10-30	2019-03-15	濮阳市龙大无纺布有限公司	一种无纺布
CN113286703A (zh)	2018-11-16	2021-08-20	莫塞尔挤出有限责任公司	各向异性薄聚乙烯片材及其应用以及制造其的方法
CN110861380A (zh) *	2019-11-22	2020-03-06	江阴升辉包装材料有限公司	一种单一材料复合可回收冷冻食品包装膜及其制备方法
US12134511B2 (en)	2020-10-23	2024-11-05	Western Plastics Inc.	Multi-layer packaging pad

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1157216A (en) *	1978-09-15	1983-11-22	William F. Briggs	Coextruded thermoplastic stretch-wrap
US4399180A (en) *	1978-09-15	1983-08-16	Mobil Oil Corporation	Coextruded thermoplastic stretch-wrap
US4379197A (en) *	1981-12-02	1983-04-05	El Paso Polyolefins Company	Stretch wrap film composition
SU1281439A1 (ru) *	1985-01-11	1987-01-07	Предприятие П/Я В-2913	Способ получени одноосноориентированной пленочной ленты
DE3850902T3 (de) *	1987-04-17	2001-10-25	Mobil Oil Corporation, New York	Streckbarer Umhüllungsfilm, der Hafteigenschaften zeigt.
JPH0777754B2 (ja) *	1987-07-07	1995-08-23	三井石油化学工業株式会社	ストレッチ包装用フィルム
EP0317166B2 (en) *	1987-11-19	1998-12-23	Exxon Chemical Patents Inc.	Thermoplastic films for use in stretch/cling applications
US4923750A (en) *	1987-12-30	1990-05-08	Co-Ex Plastics, Inc.	Thermoplastic stretch-wrap material
US5019315A (en) *	1988-10-25	1991-05-28	Mobil Oil Corporation	Preparing multi-layer coextruded polyolefin stretch wrap films
US5093188A (en) *	1989-09-21	1992-03-03	Paragon Films, Inc.	Single-sided cling stretch film
US5085927A (en) *	1990-04-10	1992-02-04	Paragon Films, Inc.	Stretch film cling enhancement by addition of elastomers
US5089321A (en) *	1991-01-10	1992-02-18	The Dow Chemical Company	Multilayer polyolefinic film structures having improved heat seal characteristics
US5147709A (en) *	1991-06-28	1992-09-15	Paragon Films Incorporated	Stretch film with reduced noise and neck
FR2699856B1 (fr) *	1992-12-31	1995-03-17	Enichem Polymeres France	Film multicouche comportant des couches à base de polypropylène et de polyéthylène son procédé de fabrication et son utilisation pour des housses rétractables.
US5407732A (en) *	1993-10-29	1995-04-18	Mobil Oil Corporation	Multi-layer coextruded polyolefin stretch wrap films
GB9402430D0 (en) *	1994-02-08	1994-03-30	Du Pont Canada	Multilayer ethylene copolymer film

1995
- 1995-09-01 IT IT1995MI001850A patent/IT1304704B1/it active
1996
- 1996-01-23 DK DK96100885T patent/DK0781651T3/da active
- 1996-01-23 ES ES96100885T patent/ES2137570T3/es not_active Expired - Lifetime
- 1996-01-23 EP EP96100885A patent/EP0781651B1/en not_active Expired - Lifetime
- 1996-01-23 AT AT96100885T patent/ATE185316T1/de not_active IP Right Cessation
- 1996-01-23 DE DE69604558T patent/DE69604558T2/de not_active Expired - Lifetime
- 1996-04-12 BR BR9601544A patent/BR9601544A/pt not_active IP Right Cessation
- 1996-04-15 AU AU50654/96A patent/AU706012B2/en not_active Ceased
- 1996-04-16 US US08/639,034 patent/US5916692A/en not_active Expired - Lifetime
- 1996-05-14 RU RU96109201/12A patent/RU2155675C2/ru active
- 1996-05-14 HU HU9601279A patent/HU215094B/hu unknown
- 1996-05-14 NO NO19961971A patent/NO312904B1/no not_active IP Right Cessation
- 1996-05-15 JP JP8120108A patent/JPH0970932A/ja active Pending
- 1996-05-15 CN CN96110022A patent/CN1147453A/zh active Pending
- 1996-05-15 KR KR1019960016887A patent/KR970015016A/ko not_active Ceased
- 1996-05-15 PL PL96314254A patent/PL182545B1/pl unknown
- 1996-07-10 CA CA002180930A patent/CA2180930A1/en not_active Abandoned
- 1996-08-30 AR ARP960104176A patent/AR003479A1/es unknown

Also Published As

Publication number	Publication date
HUP9601279A3 (en)	1997-08-28
CA2180930A1 (en)	1997-03-02
HUP9601279A2 (en)	1997-04-28
DK0781651T3 (da)	2000-05-01
AU706012B2 (en)	1999-06-03
US5916692A (en)	1999-06-29
ES2137570T3 (es)	1999-12-16
EP0781651A1 (en)	1997-07-02
EP0781651B1 (en)	1999-10-06
RU2155675C2 (ru)	2000-09-10
DE69604558D1 (de)	1999-11-11
HU215094B (hu)	1998-09-28
DE69604558T2 (de)	2000-01-20
ATE185316T1 (de)	1999-10-15
IT1304704B1 (it)	2001-03-28
NO961971D0 (no)	1996-05-14
CN1147453A (zh)	1997-04-16
PL314254A1 (en)	1997-03-03
NO961971L (no)	1997-03-03
BR9601544A (pt)	1998-03-24
AU5065496A (en)	1997-03-13
JPH0970932A (ja)	1997-03-18
ITMI951850A0 (it)	1995-09-01
MX9603538A (es)	1997-07-31
AR003479A1 (es)	1998-08-05
KR970015016A (ko)	1997-04-28
HU9601279D0 (en)	1996-07-29
ITMI951850A1 (it)	1997-03-01
PL182545B1 (pl)	2002-01-31

Legal Events

Date	Code	Title	Description
2016-05-23	MK1K	Patent expired

Publication	Publication Date	Title
US5916692A (en)	1999-06-29	Multilayer polyethylene film
EP0875372B1 (en)	2001-01-03	Polyolefin stretch film
EP0877051B1 (en)	2004-12-22	Ethylene copolymers having narrow composition distribution, their production and use
JP7040681B1 (ja)	2022-03-23	二軸配向ポリプロピレンフィルム
US5019315A (en)	1991-05-28	Preparing multi-layer coextruded polyolefin stretch wrap films
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KR0173114B1 (ko)	1999-03-30	이축연신 필름
US5431284A (en)	1995-07-11	Multi-layer coextruded polyolefin stretch wrapped plurality of goods
KR101978082B1 (ko)	2019-05-13	압출 코팅용 중합체 조성물
WO2021256350A1 (ja)	2021-12-23	二軸配向ポリプロピレンフィルム
US5907943A (en)	1999-06-01	Stretch wrap films
JP2003535719A (ja)	2003-12-02	易引裂性非ハロゲン性食品用ラップ
CN101550247B (zh)	2011-01-05	拉伸薄膜
US5261536A (en)	1993-11-16	Multi-layer coextruded polyolefin stretch wrap films
US4766178A (en)	1988-08-23	Butene-rich butene-1 propylene copolymer composition
US6428901B1 (en)	2002-08-06	Films formed from blends of polyethylene and polypropylene
CN106457791A (zh)	2017-02-22	多层膜
CA2162681C (en)	2006-03-21	Ethylene copolymers having narrow composition distribution, their production and use
MXPA96003538A (en)	1997-12-01	Multip layer polyethylene film
WO2021256349A1 (ja)	2021-12-23	二軸配向ポリプロピレンフィルム