NO312904B1 - Multilags polyetylenfilm, fremgangsmåte for fremstilling og anvendelse av samme - Google Patents
Multilags polyetylenfilm, fremgangsmåte for fremstilling og anvendelse av samme Download PDFInfo
- Publication number
- NO312904B1 NO312904B1 NO19961971A NO961971A NO312904B1 NO 312904 B1 NO312904 B1 NO 312904B1 NO 19961971 A NO19961971 A NO 19961971A NO 961971 A NO961971 A NO 961971A NO 312904 B1 NO312904 B1 NO 312904B1
- Authority
- NO
- Norway
- Prior art keywords
- lldpe
- film
- layer
- roller
- density
- Prior art date
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 of flat articles, e.g. using specially adapted supporting means 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)
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 (de) |
EP (1) | EP0781651B1 (de) |
JP (1) | JPH0970932A (de) |
KR (1) | KR970015016A (de) |
CN (1) | CN1147453A (de) |
AR (1) | AR003479A1 (de) |
AT (1) | ATE185316T1 (de) |
AU (1) | AU706012B2 (de) |
BR (1) | BR9601544A (de) |
CA (1) | CA2180930A1 (de) |
DE (1) | DE69604558T2 (de) |
DK (1) | DK0781651T3 (de) |
ES (1) | ES2137570T3 (de) |
HU (1) | HU215094B (de) |
IT (1) | IT1304704B1 (de) |
NO (1) | NO312904B1 (de) |
PL (1) | PL182545B1 (de) |
RU (1) | RU2155675C2 (de) |
Families Citing this family (28)
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. |
CN102227311B (zh) * | 2008-10-24 | 2014-10-22 | 沙特基础工业公司 | 多层膜 |
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 |
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 |
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 |
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 |
US11034072B2 (en) | 2016-11-09 | 2021-06-15 | Berry Global, Inc. | Prestretched elastic film in personal hygiene products |
ES2770755T3 (es) | 2017-05-18 | 2020-07-03 | Ergis S A | Películas multicapas y método para producir películas multicapas |
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 |
US11691397B2 (en) | 2018-11-16 | 2023-07-04 | Mucell Extrusion, Llc | Anisotropic thin polyethylene sheet and applications thereof and the process of making the same |
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 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4399180A (en) * | 1978-09-15 | 1983-08-16 | Mobil Oil Corporation | Coextruded thermoplastic stretch-wrap |
CA1157216A (en) * | 1978-09-15 | 1983-11-22 | William F. Briggs | Coextruded thermoplastic stretch-wrap |
US4379197A (en) * | 1981-12-02 | 1983-04-05 | El Paso Polyolefins Company | Stretch wrap film composition |
EP0287272B2 (de) * | 1987-04-17 | 2001-03-21 | Mobil Oil Corporation | 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 |
DE3888791T3 (de) * | 1987-11-19 | 1999-07-29 | Exxon Chemical Patents Inc | Thermoplastische Folien zur Verwendung bei Dehnungs- und Haftungsanwendungsgebieten. |
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 AT AT96100885T patent/ATE185316T1/de not_active IP Right Cessation
- 1996-01-23 EP EP96100885A patent/EP0781651B1/de not_active Expired - Lifetime
- 1996-01-23 ES ES96100885T patent/ES2137570T3/es not_active Expired - Lifetime
- 1996-01-23 DK DK96100885T patent/DK0781651T3/da active
- 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 HU HU9601279A patent/HU215094B/hu unknown
- 1996-05-14 RU RU96109201/12A patent/RU2155675C2/ru active
- 1996-05-14 NO NO19961971A patent/NO312904B1/no not_active IP Right Cessation
- 1996-05-15 KR KR1019960016887A patent/KR970015016A/ko not_active Application Discontinuation
- 1996-05-15 CN CN96110022A patent/CN1147453A/zh active Pending
- 1996-05-15 JP JP8120108A patent/JPH0970932A/ja active Pending
- 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 |
---|---|
PL314254A1 (en) | 1997-03-03 |
EP0781651A1 (de) | 1997-07-02 |
HUP9601279A2 (en) | 1997-04-28 |
IT1304704B1 (it) | 2001-03-28 |
ES2137570T3 (es) | 1999-12-16 |
MX9603538A (es) | 1997-07-31 |
NO961971L (no) | 1997-03-03 |
EP0781651B1 (de) | 1999-10-06 |
RU2155675C2 (ru) | 2000-09-10 |
ITMI951850A0 (it) | 1995-09-01 |
CN1147453A (zh) | 1997-04-16 |
HU215094B (hu) | 1998-09-28 |
CA2180930A1 (en) | 1997-03-02 |
BR9601544A (pt) | 1998-03-24 |
AU706012B2 (en) | 1999-06-03 |
HUP9601279A3 (en) | 1997-08-28 |
DK0781651T3 (da) | 2000-05-01 |
PL182545B1 (pl) | 2002-01-31 |
AR003479A1 (es) | 1998-08-05 |
DE69604558D1 (de) | 1999-11-11 |
HU9601279D0 (en) | 1996-07-29 |
DE69604558T2 (de) | 2000-01-20 |
JPH0970932A (ja) | 1997-03-18 |
KR970015016A (ko) | 1997-04-28 |
ATE185316T1 (de) | 1999-10-15 |
US5916692A (en) | 1999-06-29 |
ITMI951850A1 (it) | 1997-03-01 |
NO961971D0 (no) | 1996-05-14 |
AU5065496A (en) | 1997-03-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO312904B1 (no) | Multilags polyetylenfilm, fremgangsmåte for fremstilling og anvendelse av samme | |
EP0875372B1 (de) | Streckbarer Film aus Polyolefin | |
EP0877051B1 (de) | Ethylen-Copolymere mit enger Zusammensetzungsverteilung, ihre Herstellung und ihre Verwendung | |
CA2724235C (en) | Biaxially oriented lldpe blends | |
US5019315A (en) | Preparing multi-layer coextruded polyolefin stretch wrap films | |
KR0173114B1 (ko) | 이축연신 필름 | |
US5538790A (en) | Cling film | |
KR101978082B1 (ko) | 압출 코팅용 중합체 조성물 | |
JP2003535719A (ja) | 易引裂性非ハロゲン性食品用ラップ | |
US7722961B2 (en) | Resin composition and stretched film obtained by using the same | |
US4766178A (en) | Butene-rich butene-1 propylene copolymer composition | |
US6428901B1 (en) | Films formed from blends of polyethylene and polypropylene | |
JP7040681B1 (ja) | 二軸配向ポリプロピレンフィルム | |
WO2021256348A1 (ja) | 二軸配向ポリプロピレンフィルム | |
MXPA96003538A (en) | Multip layer polyethylene film | |
CA2162681C (en) | Ethylene copolymers having narrow composition distribution, their production and use | |
CN116604904A (zh) | 一种易揭膜及其制备方法和应用 | |
WO2021256350A1 (ja) | 二軸配向ポリプロピレンフィルム | |
WO2021256349A1 (ja) | 二軸配向ポリプロピレンフィルム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK1K | Patent expired |