GB1582186A - Heat sealable multilayer film - Google Patents
Heat sealable multilayer film Download PDFInfo
- Publication number
- GB1582186A GB1582186A GB33334/77A GB3333477A GB1582186A GB 1582186 A GB1582186 A GB 1582186A GB 33334/77 A GB33334/77 A GB 33334/77A GB 3333477 A GB3333477 A GB 3333477A GB 1582186 A GB1582186 A GB 1582186A
- Authority
- GB
- United Kingdom
- Prior art keywords
- laminate
- layer
- weight
- copolymer
- film
- 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
- 238000004806 packaging method and process Methods 0.000 claims description 85
- 239000004743 Polypropylene Substances 0.000 claims description 66
- 239000010410 layer Substances 0.000 claims description 65
- 239000000203 mixture Substances 0.000 claims description 42
- 229920001577 copolymer Polymers 0.000 claims description 28
- -1 polypropylene Polymers 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 22
- 239000000155 melt Substances 0.000 claims description 17
- 229920001155 polypropylene Polymers 0.000 claims description 17
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 15
- 229920000642 polymer Polymers 0.000 claims description 15
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 12
- 239000005977 Ethylene Substances 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 11
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 11
- 230000000052 comparative effect Effects 0.000 claims description 8
- 229920005606 polypropylene copolymer Polymers 0.000 claims description 7
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 6
- 229920005604 random copolymer Polymers 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 5
- 239000012792 core layer Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- VXNZUUAINFGPBY-UHFFFAOYSA-N ethyl ethylene Natural products CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920005653 propylene-ethylene copolymer Polymers 0.000 claims description 4
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 claims description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 2
- 229920006378 biaxially oriented polypropylene Polymers 0.000 claims description 2
- 239000011127 biaxially oriented polypropylene Substances 0.000 claims description 2
- 229920001400 block copolymer Polymers 0.000 claims description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 229920005674 ethylene-propylene random copolymer Polymers 0.000 claims description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 claims description 2
- IAQRGUVFOMOMEM-ONEGZZNKSA-N trans-but-2-ene Chemical compound C\C=C\C IAQRGUVFOMOMEM-ONEGZZNKSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000010030 laminating Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- YQEMORVAKMFKLG-UHFFFAOYSA-N 2-stearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC(CO)CO YQEMORVAKMFKLG-UHFFFAOYSA-N 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000002216 antistatic agent Substances 0.000 description 3
- 238000003851 corona treatment Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 235000009508 confectionery Nutrition 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 2
- 229920001384 propylene homopolymer Polymers 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241001474374 Blennius Species 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- OWYWGLHRNBIFJP-UHFFFAOYSA-N Ipazine Chemical compound CCN(CC)C1=NC(Cl)=NC(NC(C)C)=N1 OWYWGLHRNBIFJP-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000008395 clarifying agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 239000012793 heat-sealing layer Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000005001 laminate film Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 150000003097 polyterpenes Chemical class 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000010457 zeolite Substances 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
- B32B27/06—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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C09J123/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
-
- 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
- B32B2270/00—Resin or rubber layer containing a blend of at least two different 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
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/518—Oriented bi-axially
-
- 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
- B32B2323/00—Polyalkenes
- B32B2323/10—Polypropylene
-
- 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
-
- 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
- B32B2553/00—Packaging equipment or accessories not otherwise provided for
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
- C08L2666/04—Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Wrappers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9445176A JPS5321688A (en) | 1976-08-10 | 1976-08-10 | Automatic packaging laminate film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1582186A true GB1582186A (en) | 1980-12-31 |
Family
ID=14110616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33334/77A Expired GB1582186A (en) | 1976-08-10 | 1977-08-09 | Heat sealable multilayer film |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5321688A (enrdf_load_stackoverflow) |
| BE (1) | BE857623A (enrdf_load_stackoverflow) |
| DE (1) | DE2735547A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2361225A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1582186A (enrdf_load_stackoverflow) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0181159A1 (en) * | 1984-11-01 | 1986-05-14 | Mitsui Petrochemical Industries, Ltd. | Heat-sealable plastics laminate |
| US4595625A (en) * | 1983-09-05 | 1986-06-17 | Hoechst Aktiengesellschaft | Sealable multilayer film for packaging purposes |
| US4726999A (en) * | 1984-10-31 | 1988-02-23 | Shell Oil Company | Laminated structure comprising a substrate layer composed of a crystalline propylene resin and a heat-sealable layer composed of a crystalline propylene random copolymer composition |
| US4734328A (en) * | 1984-11-02 | 1988-03-29 | Shell Oil Company | Crystalline random propylene copolymer composition and composite laminate comprising said composition |
| GB2210825A (en) * | 1987-10-12 | 1989-06-21 | Courtaulds Films & Packaging | Oriented polymeric films having writeable surfaces |
| US5036140A (en) * | 1985-06-28 | 1991-07-30 | Shell Oil Company | Film from blend of ethylene polymers, ethylene butene polymer and propylene polymers |
| US5087667A (en) * | 1985-06-28 | 1992-02-11 | Shell Oil Company | Film from mixture of ethylene polymer, butene polymer, propylene polymer |
| US5128414A (en) * | 1985-06-28 | 1992-07-07 | Shell Oil Company | Polymer packaging film and sheet capable of forming peelable seals made from ethylenic and butene-1 polymers |
| EP0505209A3 (en) * | 1991-03-20 | 1993-01-07 | Mitsui Petrochemical Industries, Ltd. | Polybutene-1 resin laminate |
| US5252384A (en) * | 1990-11-07 | 1993-10-12 | Hoechst Aktiengesellschaft | Heat-sealable packaging film |
| US5254394A (en) * | 1990-11-07 | 1993-10-19 | Hoechst Aktiengesellschaft | Heat-sealable packaging film |
| US5336747A (en) * | 1984-11-02 | 1994-08-09 | Mitsui Petrochemical Industries, Ltd. | Random 1-butene/ethylene copolymer |
| US5342695A (en) * | 1991-09-20 | 1994-08-30 | Ube Rexene Corporation | Laminated films |
| EP0695630A1 (de) * | 1994-08-05 | 1996-02-07 | Hoechst Aktiengesellschaft | Niedrig siegelnde, biaxial orientierte Polyolefin-Mehschichtfolie, Verfahren zu ihrer Herstellung und ihre Verwendung |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5549264A (en) * | 1978-10-06 | 1980-04-09 | Toray Industries | Laminated film |
| JPS5596727U (enrdf_load_stackoverflow) * | 1978-12-28 | 1980-07-04 | ||
| AT381065B (de) * | 1979-01-17 | 1986-08-25 | Naphtachimie Sa | Hitze-verschweissbarer film |
| DE2912179A1 (de) * | 1979-03-30 | 1980-10-09 | Mitsubishi Petrochemical Co | Polymerisat und heissiegelbare biaxial gereckte verbundfolie |
| JPS6036388B2 (ja) * | 1979-07-13 | 1985-08-20 | 東洋紡績株式会社 | 密着性の良好な包装材料 |
| GB2093765A (en) * | 1981-02-25 | 1982-09-08 | British Cellophane Ltd | Heat sealable polypropylene films |
| AU588330B2 (en) * | 1985-06-28 | 1989-09-14 | Mitsui Petrochemical Industries, Ltd. | Polymer blends for packaging film and sheet or laminates |
| EP0233400B1 (en) * | 1985-11-25 | 1992-07-15 | Shell Oil Company | Butene-1/propylene copolymer blends |
| JPS6420253A (en) * | 1987-07-14 | 1989-01-24 | Idemitsu Petrochemical Co | Butene-1 copolymer composition |
| JP2611418B2 (ja) * | 1989-02-22 | 1997-05-21 | 東レ株式会社 | 食品包装用防曇性フィルム |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA775184A (en) * | 1968-01-02 | W.R. Grace And Co. | Oriented blends of polypropylene and polybutene-1 | |
| GB1113380A (en) * | 1966-06-03 | 1968-05-15 | Mobil Oil Corp | Thermoplastic polymer blend compositions |
| DE2234103C2 (de) * | 1972-07-12 | 1974-07-18 | Chemische Werke Huels Ag, 4370 Marl | Heiß verschweiß bares Polybuten-! |
| JPS4931778A (enrdf_load_stackoverflow) * | 1972-07-24 | 1974-03-22 | ||
| GB1440317A (en) * | 1972-10-17 | 1976-06-23 | British Cellophane Ltd | Heat-sealable plastics films |
| US3849520A (en) * | 1973-01-17 | 1974-11-19 | Mobil Oil Corp | Resinous blend and oriented shrink film comprising polypropylene,polybutene and ethylene/butene copolymer |
| JPS5651095B2 (enrdf_load_stackoverflow) * | 1973-05-31 | 1981-12-03 | ||
| GB1452424A (en) * | 1974-03-29 | 1976-10-13 | Ici Ltd | Composite films |
| JPS5115060A (ja) * | 1974-07-30 | 1976-02-06 | Toshiba Machine Co Ltd | Kennensochi |
| GB1497577A (en) * | 1975-06-11 | 1978-01-12 | Ici Ltd | Film-forming olefin polymer compositions |
| GB1495776A (en) * | 1975-06-11 | 1977-12-21 | Ici Ltd | Film-forming olefin polymer compositions |
-
1976
- 1976-08-10 JP JP9445176A patent/JPS5321688A/ja active Granted
-
1977
- 1977-08-06 DE DE19772735547 patent/DE2735547A1/de not_active Withdrawn
- 1977-08-09 FR FR7724483A patent/FR2361225A1/fr active Granted
- 1977-08-09 GB GB33334/77A patent/GB1582186A/en not_active Expired
- 1977-08-09 BE BE180028A patent/BE857623A/xx not_active IP Right Cessation
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4595625A (en) * | 1983-09-05 | 1986-06-17 | Hoechst Aktiengesellschaft | Sealable multilayer film for packaging purposes |
| US4726999A (en) * | 1984-10-31 | 1988-02-23 | Shell Oil Company | Laminated structure comprising a substrate layer composed of a crystalline propylene resin and a heat-sealable layer composed of a crystalline propylene random copolymer composition |
| US4642269A (en) * | 1984-11-01 | 1987-02-10 | Mitsui Petrochemical Industries, Ltd | Crystalline random propylene copolymer composition and composite laminate comprising said composition |
| EP0181159A1 (en) * | 1984-11-01 | 1986-05-14 | Mitsui Petrochemical Industries, Ltd. | Heat-sealable plastics laminate |
| US5336747A (en) * | 1984-11-02 | 1994-08-09 | Mitsui Petrochemical Industries, Ltd. | Random 1-butene/ethylene copolymer |
| US4734328A (en) * | 1984-11-02 | 1988-03-29 | Shell Oil Company | Crystalline random propylene copolymer composition and composite laminate comprising said composition |
| US5385998A (en) * | 1984-11-02 | 1995-01-31 | Mitsui Petrochemical Industries, Ltd. | Random 1-butene/ethylene copolymer |
| US5036140A (en) * | 1985-06-28 | 1991-07-30 | Shell Oil Company | Film from blend of ethylene polymers, ethylene butene polymer and propylene polymers |
| US5087667A (en) * | 1985-06-28 | 1992-02-11 | Shell Oil Company | Film from mixture of ethylene polymer, butene polymer, propylene polymer |
| US5128414A (en) * | 1985-06-28 | 1992-07-07 | Shell Oil Company | Polymer packaging film and sheet capable of forming peelable seals made from ethylenic and butene-1 polymers |
| GB2210825B (en) * | 1987-10-12 | 1992-03-04 | Courtaulds Films & Packaging | Polymeric films |
| GB2210825A (en) * | 1987-10-12 | 1989-06-21 | Courtaulds Films & Packaging | Oriented polymeric films having writeable surfaces |
| US5252384A (en) * | 1990-11-07 | 1993-10-12 | Hoechst Aktiengesellschaft | Heat-sealable packaging film |
| US5254394A (en) * | 1990-11-07 | 1993-10-19 | Hoechst Aktiengesellschaft | Heat-sealable packaging film |
| EP0505209A3 (en) * | 1991-03-20 | 1993-01-07 | Mitsui Petrochemical Industries, Ltd. | Polybutene-1 resin laminate |
| US5342695A (en) * | 1991-09-20 | 1994-08-30 | Ube Rexene Corporation | Laminated films |
| US5472792A (en) * | 1991-09-20 | 1995-12-05 | Ube Rexene Corporation | Laminated films |
| EP0695630A1 (de) * | 1994-08-05 | 1996-02-07 | Hoechst Aktiengesellschaft | Niedrig siegelnde, biaxial orientierte Polyolefin-Mehschichtfolie, Verfahren zu ihrer Herstellung und ihre Verwendung |
| US5811185A (en) * | 1994-08-05 | 1998-09-22 | Hoechst Aktiengesellschaft | Low temperature heat sealable biaxially oriented polypropylene films comprising propylene/butylene resin |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5618386B2 (enrdf_load_stackoverflow) | 1981-04-28 |
| FR2361225A1 (fr) | 1978-03-10 |
| FR2361225B1 (enrdf_load_stackoverflow) | 1984-01-13 |
| JPS5321688A (en) | 1978-02-28 |
| DE2735547A1 (de) | 1978-02-16 |
| BE857623A (fr) | 1978-02-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |