JPH049673B2 - - Google Patents
Info
- Publication number
- JPH049673B2 JPH049673B2 JP62064416A JP6441687A JPH049673B2 JP H049673 B2 JPH049673 B2 JP H049673B2 JP 62064416 A JP62064416 A JP 62064416A JP 6441687 A JP6441687 A JP 6441687A JP H049673 B2 JPH049673 B2 JP H049673B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- weight
- density polyethylene
- blend
- crosslinked
- 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 - Lifetime
Links
- 239000010410 layer Substances 0.000 claims description 41
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 24
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 19
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 19
- 239000012792 core layer Substances 0.000 claims description 16
- 239000004708 Very-low-density polyethylene Substances 0.000 claims description 12
- 229920001866 very low density polyethylene Polymers 0.000 claims description 12
- 239000004952 Polyamide Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 229920002647 polyamide Polymers 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229920001684 low density polyethylene Polymers 0.000 claims description 4
- 239000004702 low-density polyethylene Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 238000003303 reheating Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 81
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 22
- 230000004888 barrier function Effects 0.000 description 14
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 10
- 239000005038 ethylene vinyl acetate Substances 0.000 description 9
- 229920001169 thermoplastic Polymers 0.000 description 9
- 239000004416 thermosoftening plastic Substances 0.000 description 9
- 229920001577 copolymer Polymers 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000012790 adhesive layer Substances 0.000 description 6
- 235000013305 food Nutrition 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 5
- 239000004677 Nylon Substances 0.000 description 5
- 229920001778 nylon Polymers 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 229920006280 packaging film Polymers 0.000 description 5
- 239000012785 packaging film Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000005977 Ethylene Substances 0.000 description 4
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 4
- 229920000299 Nylon 12 Polymers 0.000 description 4
- 229920002292 Nylon 6 Polymers 0.000 description 4
- 150000008064 anhydrides Chemical class 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000012815 thermoplastic material Substances 0.000 description 4
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- 229920006257 Heat-shrinkable film Polymers 0.000 description 2
- 239000004687 Nylon copolymer Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000001654 beetroot red Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229920001179 medium density polyethylene Polymers 0.000 description 2
- 239000004701 medium-density polyethylene Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 101000602217 Macrovipera lebetina Venom phosphodiesterase Proteins 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000012963 UV stabilizer Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 229940061607 dibasic sodium phosphate Drugs 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006281 multilayer packaging film Polymers 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 235000021485 packed food Nutrition 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 235000020991 processed meat Nutrition 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229920006300 shrink film Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (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 |
|---|---|---|---|
| US84232186A | 1986-03-21 | 1986-03-21 | |
| US842321 | 1986-03-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62234930A JPS62234930A (ja) | 1987-10-15 |
| JPH049673B2 true JPH049673B2 (no) | 1992-02-20 |
Family
ID=25287060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62064416A Granted JPS62234930A (ja) | 1986-03-21 | 1987-03-20 | 酸素遮断性二軸配向フィルム |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS62234930A (no) |
| AU (1) | AU597627B2 (no) |
| BR (1) | BR8701270A (no) |
| CA (1) | CA1289323C (no) |
| NZ (1) | NZ219490A (no) |
| ZA (1) | ZA871774B (no) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62273849A (ja) * | 1986-05-23 | 1987-11-27 | 呉羽化学工業株式会社 | 熱収縮性複合フイルム及びその製造方法 |
| US5037683A (en) * | 1988-09-26 | 1991-08-06 | W. R. Grace & Co.-Conn. | High strength laminated film for chub packaging |
| CA2162123C (en) * | 1994-03-15 | 2003-12-02 | Fujio Inoue | Contamination preventing sealant films and products thereof |
| JP2000103021A (ja) * | 1998-09-29 | 2000-04-11 | Sumitomo Chem Co Ltd | 充填包装用複合フィルム及び該フィルムからなる袋 |
| AU2021236634B2 (en) * | 2020-03-17 | 2024-03-07 | Liqui-Box Corporation | Recyclable flexible films and bags for packaging flowable materials |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4254169A (en) * | 1978-12-28 | 1981-03-03 | American Can Company | Multi-layer barrier film |
| JPS5882752A (ja) * | 1981-11-11 | 1983-05-18 | 呉羽化学工業株式会社 | 熱収縮性フイルム |
| JPS60161146A (ja) * | 1984-01-31 | 1985-08-22 | 株式会社クラレ | 耐屈曲疲労に優れたフレキシブルな気体遮断性積層包装材よりなるバッグインボックス内容器の構成材 |
-
1986
- 1986-10-22 CA CA000521088A patent/CA1289323C/en not_active Expired - Lifetime
-
1987
- 1987-03-04 NZ NZ21949087A patent/NZ219490A/xx unknown
- 1987-03-11 ZA ZA871774A patent/ZA871774B/xx unknown
- 1987-03-20 AU AU70470/87A patent/AU597627B2/en not_active Ceased
- 1987-03-20 JP JP62064416A patent/JPS62234930A/ja active Granted
- 1987-03-20 BR BR8701270A patent/BR8701270A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU7047087A (en) | 1987-09-24 |
| BR8701270A (pt) | 1987-12-29 |
| AU597627B2 (en) | 1990-06-07 |
| JPS62234930A (ja) | 1987-10-15 |
| ZA871774B (en) | 1987-09-01 |
| CA1289323C (en) | 1991-09-24 |
| NZ219490A (en) | 1989-06-28 |
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