CA1325766C - Heat skrinkable composite film and packaging method using same - Google Patents
Heat skrinkable composite film and packaging method using sameInfo
- Publication number
- CA1325766C CA1325766C CA000603515A CA603515A CA1325766C CA 1325766 C CA1325766 C CA 1325766C CA 000603515 A CA000603515 A CA 000603515A CA 603515 A CA603515 A CA 603515A CA 1325766 C CA1325766 C CA 1325766C
- Authority
- CA
- Canada
- Prior art keywords
- film
- heat
- core layer
- temperature
- composite 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 - Fee Related
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 38
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000012792 core layer Substances 0.000 claims abstract description 54
- 239000010410 layer Substances 0.000 claims abstract description 51
- -1 polypropylene Polymers 0.000 claims abstract description 32
- 239000011347 resin Substances 0.000 claims abstract description 28
- 229920005989 resin Polymers 0.000 claims abstract description 28
- 239000004743 Polypropylene Substances 0.000 claims abstract description 27
- 229920001155 polypropylene Polymers 0.000 claims abstract description 27
- 238000002844 melting Methods 0.000 claims abstract description 21
- 230000008018 melting Effects 0.000 claims abstract description 21
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 18
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 18
- 229920005606 polypropylene copolymer Polymers 0.000 claims abstract description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 8
- 229920001577 copolymer Polymers 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 22
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 8
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims 2
- 229920006257 Heat-shrinkable film Polymers 0.000 description 29
- 230000000052 comparative effect Effects 0.000 description 13
- 239000005001 laminate film Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 12
- 238000007789 sealing Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 7
- 239000002344 surface layer Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 210000005069 ears Anatomy 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 230000037303 wrinkles Effects 0.000 description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 235000011888 snacks Nutrition 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 229920000092 linear low density polyethylene Polymers 0.000 description 2
- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 235000008446 instant noodles Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 230000002087 whitening effect Effects 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
- B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
-
- 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
-
- 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
-
- 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
- B32B2307/70—Other properties
- B32B2307/704—Crystalline
-
- 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
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
- B32B2307/734—Dimensional stability
- B32B2307/736—Shrinkable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
- B32B2323/046—LDPE, i.e. low density polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
Landscapes
- Laminated Bodies (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8819109A GB2221649B (en) | 1988-08-11 | 1988-08-11 | Heat shrinkable composite film and packaging method using same |
| GB8819109.3 | 1988-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1325766C true CA1325766C (en) | 1994-01-04 |
Family
ID=10641978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000603515A Expired - Fee Related CA1325766C (en) | 1988-08-11 | 1989-06-21 | Heat skrinkable composite film and packaging method using same |
Country Status (5)
| Country | Link |
|---|---|
| AU (1) | AU613778B2 (de) |
| CA (1) | CA1325766C (de) |
| DE (1) | DE3923464C2 (de) |
| FR (1) | FR2635312B1 (de) |
| GB (1) | GB2221649B (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6221410B1 (en) | 1992-09-25 | 2001-04-24 | Cryovac, Inc. | Backseamed casing and packaged product incorporating same |
| JP3326873B2 (ja) * | 1992-07-22 | 2002-09-24 | 住友化学工業株式会社 | 包装用フィルム |
| US5298302A (en) * | 1992-08-21 | 1994-03-29 | W. R. Grace & Co.-Conn. | Film with improved lap seal |
| AU672222B2 (en) * | 1992-09-25 | 1996-09-26 | W.R. Grace & Co.-Conn. | Multi-ply backseamable film |
| ATE167109T1 (de) * | 1992-10-26 | 1998-06-15 | Bollore Technologies | Wärmeschrumpfbarer verbundfilm, verfahren zu seiner herstellung und verwendung für verpackungen |
| FR2697203B1 (fr) * | 1992-10-26 | 1995-02-17 | Bollore Technologies | Film composite thermorétractable et recyclable à base notamment de polypropylène procédé de production de celui-ci et utilisation du film pour le suremballage. |
| FR2703624B1 (fr) * | 1993-04-06 | 1995-07-07 | Bollore Technologies | Film composite thermoretractable, procede de fabrication et utilisation dudit film pour le suremballage d'articles. |
| IT1256051B (it) * | 1992-10-30 | 1995-11-21 | Soten | Film coestruso termoretraibile e procedimento per la sua preparazione. |
| JP3258830B2 (ja) * | 1994-09-29 | 2002-02-18 | 株式会社興人 | ポリオレフィン系熱収縮性積層フィルム |
| US5834077A (en) * | 1994-10-04 | 1998-11-10 | W. R. Grace & Co.-Conn. | High shrink multilayer film which maintains optics upon shrinking |
| US5837335A (en) * | 1994-10-04 | 1998-11-17 | Cryovac, Inc. | High shrink multilayer film which maintains optics upon shrinking |
| US5744181A (en) * | 1995-03-01 | 1998-04-28 | W. R. Grace & Co.-Conn. | Packaging method using thermoplastic materials and package obtained thereby |
| EP0729900B1 (de) * | 1995-03-01 | 2003-07-23 | Cryovac, Inc. | Verpackungs-Verfahren |
| DE19515254C2 (de) * | 1995-04-26 | 1998-06-04 | Fresenius Ag | PVC-freie Mehrschichtfolie, Verfahren zur Herstellung derselben und deren Verwendung |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6017746B2 (ja) * | 1977-07-13 | 1985-05-07 | 三菱電機株式会社 | エレベ−タの速度制御装置 |
| US4194039A (en) * | 1978-04-17 | 1980-03-18 | W. R. Grace & Co. | Multi-layer polyolefin shrink film |
| JPS54152282A (en) * | 1978-05-19 | 1979-11-30 | Aioi Seiki Kk | Oil pressure clamper of machine tool |
| AU533447B2 (en) * | 1978-12-18 | 1983-11-24 | Asahi Kasei Kogyo Kabushiki Kaisha | Stretching multi layer film |
| NZ196286A (en) * | 1980-05-23 | 1983-09-02 | Grace W R & Co | Heat-sealabel multi-ply polypropylene film |
| US4410582A (en) * | 1980-12-10 | 1983-10-18 | Toray Industries, Inc. | Multi-layered polyolefin laminated film |
| US4352849A (en) * | 1981-03-26 | 1982-10-05 | W. R. Grace & Co. | Coextruded, heat-shrinkable, multi-layer, polyolefin packaging film |
| CA1199567A (en) * | 1982-02-18 | 1986-01-21 | Walter B. Mueller | Linear polyethylene shrink films |
| GB2135240B (en) * | 1982-02-19 | 1986-01-15 | Grace W R & Co | Linear polyethylene shrink films |
| AU578753B2 (en) * | 1984-02-13 | 1988-11-03 | Mitsui Chemicals, Inc. | Crystalline random propylene copolymer composition and composite laminate comprising said composition |
| JPH0641226B2 (ja) * | 1984-06-27 | 1994-06-01 | キヤノン株式会社 | カラーインクジェット記録方法 |
| 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 |
| CA1308012C (en) * | 1986-01-17 | 1992-09-29 | Robert Wayne Thies | Multilayered polyolefin high shrinkage, low-shrink force shrink film |
| US4764425A (en) * | 1987-01-02 | 1988-08-16 | Mobil Oil Corporation | Oriented, heat sealable multi-layered film |
| CA1283035C (en) * | 1987-03-09 | 1991-04-16 | Sumitomo Chemical Company, Limited | Multi-layer shrink film |
-
1988
- 1988-08-11 GB GB8819109A patent/GB2221649B/en not_active Expired - Lifetime
-
1989
- 1989-06-21 CA CA000603515A patent/CA1325766C/en not_active Expired - Fee Related
- 1989-07-04 AU AU37845/89A patent/AU613778B2/en not_active Ceased
- 1989-07-06 FR FR898909110A patent/FR2635312B1/fr not_active Expired - Fee Related
- 1989-07-15 DE DE3923464A patent/DE3923464C2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB2221649B (en) | 1992-04-29 |
| FR2635312A1 (fr) | 1990-02-16 |
| AU3784589A (en) | 1990-02-15 |
| DE3923464C2 (de) | 2000-03-30 |
| AU613778B2 (en) | 1991-08-08 |
| GB2221649A (en) | 1990-02-14 |
| FR2635312B1 (fr) | 1994-08-05 |
| DE3923464A1 (de) | 1990-02-15 |
| GB8819109D0 (en) | 1988-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |