JP2017531571A - 多層構造及びそれから作製される熱成形物品 - Google Patents
多層構造及びそれから作製される熱成形物品 Download PDFInfo
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- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 79
- 239000005977 Ethylene Substances 0.000 claims abstract description 79
- 230000004888 barrier function Effects 0.000 claims abstract description 42
- 239000004711 α-olefin Substances 0.000 claims abstract description 42
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims abstract description 31
- 239000004715 ethylene vinyl alcohol Substances 0.000 claims abstract description 31
- 239000000155 melt Substances 0.000 claims abstract description 18
- 150000008064 anhydrides Chemical class 0.000 claims abstract description 14
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims abstract description 14
- 239000000178 monomer Substances 0.000 claims abstract description 14
- UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 claims abstract 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 15
- -1 polyethylene terephthalate Polymers 0.000 claims description 12
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 10
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 6
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 6
- 239000004952 Polyamide Substances 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 229940123973 Oxygen scavenger Drugs 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920001684 low density polyethylene Polymers 0.000 claims description 2
- 239000004702 low-density polyethylene Substances 0.000 claims description 2
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 2
- 239000004626 polylactic acid Substances 0.000 claims description 2
- 239000004708 Very-low-density polyethylene Substances 0.000 claims 2
- 229920001866 very low density polyethylene Polymers 0.000 claims 2
- 239000010410 layer Substances 0.000 description 74
- 229920000642 polymer Polymers 0.000 description 29
- 239000003607 modifier Substances 0.000 description 16
- 150000001875 compounds Chemical class 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 238000003856 thermoforming Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 150000002978 peroxides Chemical class 0.000 description 4
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 229920001862 ultra low molecular weight polyethylene Polymers 0.000 description 3
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229940038553 attane Drugs 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 235000013351 cheese Nutrition 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000013538 functional additive Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- LTVUCOSIZFEASK-MPXCPUAZSA-N (3ar,4s,7r,7as)-3a-methyl-3a,4,7,7a-tetrahydro-4,7-methano-2-benzofuran-1,3-dione Chemical compound C([C@H]1C=C2)[C@H]2[C@H]2[C@]1(C)C(=O)OC2=O LTVUCOSIZFEASK-MPXCPUAZSA-N 0.000 description 1
- KNDQHSIWLOJIGP-UMRXKNAASA-N (3ar,4s,7r,7as)-rel-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione Chemical compound O=C1OC(=O)[C@@H]2[C@H]1[C@]1([H])C=C[C@@]2([H])C1 KNDQHSIWLOJIGP-UMRXKNAASA-N 0.000 description 1
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 description 1
- HIDBROSJWZYGSZ-UHFFFAOYSA-N 1-phenylpyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=CC=C1 HIDBROSJWZYGSZ-UHFFFAOYSA-N 0.000 description 1
- PNJLSKTVCRNRBO-UHFFFAOYSA-N 1-tert-butylperoxy-2,5-dimethylhexane Chemical compound CC(C)CCC(C)COOC(C)(C)C PNJLSKTVCRNRBO-UHFFFAOYSA-N 0.000 description 1
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- CUEJHYHGUMAGBP-UHFFFAOYSA-N 2-[2-(1h-indol-5-yl)phenyl]acetic acid Chemical compound OC(=O)CC1=CC=CC=C1C1=CC=C(NC=C2)C2=C1 CUEJHYHGUMAGBP-UHFFFAOYSA-N 0.000 description 1
- YPRMWCKXOZFJGF-UHFFFAOYSA-N 3-bromofuran-2,5-dione Chemical compound BrC1=CC(=O)OC1=O YPRMWCKXOZFJGF-UHFFFAOYSA-N 0.000 description 1
- CXJAFLQWMOMYOW-UHFFFAOYSA-N 3-chlorofuran-2,5-dione Chemical compound ClC1=CC(=O)OC1=O CXJAFLQWMOMYOW-UHFFFAOYSA-N 0.000 description 1
- AYKYXWQEBUNJCN-UHFFFAOYSA-N 3-methylfuran-2,5-dione Chemical compound CC1=CC(=O)OC1=O AYKYXWQEBUNJCN-UHFFFAOYSA-N 0.000 description 1
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 1
- 238000005698 Diels-Alder reaction Methods 0.000 description 1
- 230000005355 Hall effect Effects 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 1
- 229940018557 citraconic acid Drugs 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- JBSLOWBPDRZSMB-FPLPWBNLSA-N dibutyl (z)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C/C(=O)OCCCC JBSLOWBPDRZSMB-FPLPWBNLSA-N 0.000 description 1
- BLKQQTCUGZJWLN-QXMHVHEDSA-N dicyclohexyl (z)-but-2-enedioate Chemical compound C1CCCCC1OC(=O)\C=C/C(=O)OC1CCCCC1 BLKQQTCUGZJWLN-QXMHVHEDSA-N 0.000 description 1
- IEPRKVQEAMIZSS-AATRIKPKSA-N diethyl fumarate Chemical compound CCOC(=O)\C=C\C(=O)OCC IEPRKVQEAMIZSS-AATRIKPKSA-N 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- XHSDDKAGJYJAQM-ULDVOPSXSA-N dioctadecyl (e)-but-2-enedioate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)\C=C\C(=O)OCCCCCCCCCCCCCCCCCC XHSDDKAGJYJAQM-ULDVOPSXSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 125000005842 heteroatom Chemical group 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
- 150000003949 imides Chemical class 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000010690 paraffinic oil Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229920005653 propylene-ethylene copolymer Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000015067 sauces Nutrition 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 1
- 229910001379 sodium hypophosphite Inorganic materials 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- 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
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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- B32B2439/00—Containers; Receptacles
- B32B2439/02—Open containers
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
EVOHポリマーのEVOH1は、32モル%のエチレンを含有し、Kuraray America,Inc.から市販されており、EVAL*ポリマーの商品名で販売されている。実施例で用いられる反応性改質剤を、以下の通りに調製する:
以下の材料を用いて、実施例で用いられる反応性改質剤を製造する:
2.無水マレイン酸(MAH);
3.必要に応じて過酸化物を希釈するため(過酸化物:油の1:1比)の水素処理パラフィン油であり、Sonneborn、LLC(Parsippany,NJ,USA)から市販されているHYDROBRITE 380;及び
4.2,5−ビスb(tert−ブチルペルオキシ)−2,5−ジメチルヘキサン(290.44g/モル)であり、Arkema,Inc.(King of Prussia、PA,USA)から市販されているLUPEROX 101。
配合ペレットの特性評価は行っていない。データの全ては吹込みフィルム物品についてのものである。
2つの7層フィルムを作製するために、表2に示す層ABCDEFGGFEDCBAを有する多層構造をAlpine7層ラインを用いて製造し、次いで、6ミル(152ミクロン)の厚さの目標構造に押しつぶした。化合物の全ては、単軸配合ラインを用いて調製し、吹込みバブルを崩壊させることによって得る。
熱成形トレイのコーナー厚を、表3に示すように、2つのサンプル、一方は改質剤を含まず、もう一方は、EVOH層中に7重量%の改質剤を含むものについて測定した。コーナー厚は、EVOHが改質剤と配合される場合により厚い。
共押出3層フィルムサンプル(層構造ABCを有する)を、同じポリマー供給原料を2つの表皮層で、EVOHブレンドをコア層で用いて、Collin鋳造ラインで作製した。出力は、12kg/時、エアギャップ1インチ、溶融温度230℃、ダイギャップ50ミルであり、シート厚は50ミルであり、冷却ロールの温度は35℃である。実施例3のフィルムサンプルは、以下に示した構造を有する。
A:フィルム厚の45%は、75重量%のD115A及び25重量%の結合層を含む層Aである。
B:フィルム厚の10%は、100%のEVOH3またはEVOH4(あるいは95%のEVOH3またはEVOH4+5%の反応性改質剤)を含む層Bである。
C:フィルム厚の45%は、75重量%のD115A及び25重量%の結合層を含む層Cである。
トレイは、プラグ−アシスト熱成形機で作製した。熱成形性を評価するために、コーナーの厚さを測定した。
実施例3.1:改質剤を含まないEVOH3
実施例3.2:EVOH層中に5%の改質剤を含むEVOH3
実施例3.3:改質剤を含まないEVOH4
実施例3.4:EVOH層中に5%の改質剤を含むEVOH4
追加の試験法は、以下を含む:
Claims (15)
- 少なくとも1つのバリア層を含む多層構造であって、前記バリア層が、
a.前記バリア層の12重量パーセント以下の、0.855〜0.900g/cm3の範囲の密度を有し、かつ50,000cP未満の350°F(177℃)における溶融粘度を有する無水物及び/またはカルボン酸官能化エチレン/アルファ−オレフィンインターポリマーと、
b.前記バリア層の少なくとも60重量パーセントの、10〜32モルパーセントのエチレンモノマーに由来する単位を有するEVOHとを含む、多層構造。 - 前記官能化エチレン/アルファ−オレフィンインターポリマーが、無水マレイン酸で官能化されている、請求項1に記載の多層構造。
- 前記バリア層が、1つ以上の脱酸素剤をさらに含む、請求項1または2のいずれか一項に記載の多層構造。
- 前記エチレン/アルファ−オレフィンインターポリマーが、30,000cP未満の350°F(177℃)における溶融粘度を有する、請求項1〜3のいずれか一項に記載の多層構造。
- 前記バリア層が、5〜150ミクロンの範囲の厚さを有する、請求項1〜4のいずれか一項に記載の多層構造。
- 前記EVOHが、24〜30モル%のエチレン由来の単位を有する、請求項1〜5のいずれか一項に記載の多層構造。
- 前記多層構造が、50ミクロン〜3000ミクロンの範囲の総厚を有する、請求項1〜6のいずれか一項に記載の多層構造。
- 直鎖状低密度ポリエチレン、超低密度ポリエチレン、プロピレン/エチレンインターポリマー、プロピレン/アルファ−オレフィンインターポリマー、ポリエチレンテレフタレート、ポリプロピレン、ポリ乳酸、またはこれらの任意の組み合わせを含む樹脂から作製された外層をさらに含む、請求項1〜7のいずれか一項に記載の多層構造。
- ポリアミドを含む1つ以上の追加の層をさらに含む、請求項1〜8のいずれか一項に記載の多層構造。
- 直鎖状低密度ポリエチレン、低密度ポリエチレン、超低密度ポリエチレン、プロピレン/エチレンインターポリマー、プロピレン/アルファ−オレフィンインターポリマー、またはこれらの任意の組み合わせを含む樹脂から作製されたシール層をさらに含む、請求項1〜9のいずれか一項に記載の多層構造。
- 前記バリア層に隣接する結合層をさらに含む、請求項1〜10のいずれか一項に記載の多層構造。
- 前記多層構造が、260〜3000ミクロンの厚さを有する、請求項1〜11のいずれか一項に記載の多層構造。
- 請求項12に記載の前記多層構造を含む熱成形物品であって、前記物品が、トレイまたは容器である、熱成形物品。
- 前記多層構造が、50〜260ミクロンの厚さを有する、請求項1〜11のいずれか一項に記載の多層構造。
- 請求項14に記載の前記多層構造を含む熱成形物品であって、前記物品が、バリアフィルムである、熱成形物品。
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US20140020582A1 (en) * | 2012-07-19 | 2014-01-23 | Kurt M. Sanger | Embedding data with offset printing |
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US20140205821A1 (en) * | 2013-01-18 | 2014-07-24 | Dow Global Technologies Llc | Modified flexible evoh for high performance films |
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