JP2005179555A - Polyethylene resin composition and laminated film using the same - Google Patents
Polyethylene resin composition and laminated film using the same Download PDFInfo
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- JP2005179555A JP2005179555A JP2003424343A JP2003424343A JP2005179555A JP 2005179555 A JP2005179555 A JP 2005179555A JP 2003424343 A JP2003424343 A JP 2003424343A JP 2003424343 A JP2003424343 A JP 2003424343A JP 2005179555 A JP2005179555 A JP 2005179555A
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- 239000011342 resin composition Substances 0.000 title claims abstract description 43
- 229920013716 polyethylene resin Polymers 0.000 title claims abstract description 35
- 239000000203 mixture Substances 0.000 claims abstract description 18
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 12
- 239000000565 sealant Substances 0.000 claims abstract description 11
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 6
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 6
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims abstract description 6
- 239000001095 magnesium carbonate Substances 0.000 claims abstract description 6
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims abstract description 6
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 6
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 6
- 239000010408 film Substances 0.000 claims description 56
- 238000000034 method Methods 0.000 claims description 14
- 239000004593 Epoxy Substances 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 7
- 229920006267 polyester film Polymers 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 4
- 238000003475 lamination Methods 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 2
- 239000002985 plastic film Substances 0.000 claims description 2
- 229920006255 plastic film Polymers 0.000 claims description 2
- 229920002799 BoPET Polymers 0.000 abstract description 10
- 238000010030 laminating Methods 0.000 abstract description 10
- 239000002131 composite material Substances 0.000 abstract description 7
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 125000000597 dioxinyl group Chemical group 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 abstract 1
- 229920000647 polyepoxide Polymers 0.000 abstract 1
- 229920005678 polyethylene based resin Polymers 0.000 description 12
- 150000002013 dioxins Chemical class 0.000 description 10
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 239000005022 packaging material Substances 0.000 description 5
- 239000011888 foil Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 125000003700 epoxy group Chemical group 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920006122 polyamide resin Polymers 0.000 description 3
- 229920001225 polyester resin Polymers 0.000 description 3
- 239000004645 polyester resin Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 238000003851 corona treatment Methods 0.000 description 2
- 208000028659 discharge Diseases 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
本発明は、ポリエステル樹脂、ポリアミド樹脂等のプラスチックや紙、アルミニウム箔等の各種基材との接着性が良好なポリエチレン系樹脂組成物と該ポリエチレン系樹脂組成物を用いて作製した積層フィルムに関するものであり、特には、アンカーコート剤を使用することなく、各種基材と強固に接着することが可能で、なおかつ、焼却時に発生するダイオキシンの抑制効果を有するポリエチレン系樹脂組成物と該ポリエチレン系樹脂組成物を用いて作製した積層フィルムに関する。 The present invention relates to a polyethylene resin composition having good adhesion to various base materials such as plastics such as polyester resin and polyamide resin, paper, and aluminum foil, and a laminated film prepared using the polyethylene resin composition. In particular, a polyethylene-based resin composition that can be firmly bonded to various substrates without using an anchor coating agent, and has an effect of suppressing dioxins generated during incineration, and the polyethylene-based resin The present invention relates to a laminated film produced using the composition.
ポリエチレン樹脂は、ヒートシール性、防湿性に優れ、押し出し加工が容易なことから各種樹脂フィルム、シートあるいは紙、アルミニウム箔等との積層体として包装材料などに広く用いられている。 Polyethylene resins are widely used in packaging materials and the like as laminates of various resin films, sheets or paper, aluminum foil, etc., because they are excellent in heat sealability and moisture resistance and are easy to extrude.
このような積層体を製造する方法としては、ドライラミネート法、ウェットラミネート法、押し出しラミネート法などがあるが、包装材料などにおいては、コスト的に有利な押し出しラミネート法が広く用いられている。 As a method for producing such a laminate, there are a dry laminating method, a wet laminating method, an extrusion laminating method, and the like. For packaging materials and the like, an extrusion laminating method that is advantageous in terms of cost is widely used.
押し出しラミネート法においては、基材との接着性を向上させるために、ポリエチレンイミン系や有機イソシアネート系などのアンカーコート剤と呼ばれる接着補助剤をあらかじめ基材上に塗布しておき、この塗布面に溶融したポリエチレン樹脂を押し出してラミネートする方法が一般的である。しかしこの方法では製造コストが上昇するばかりでなく、有機溶剤による安全性および作業環境の低下、最終製品への臭いの残留などの問題がある。 In the extrusion laminating method, in order to improve the adhesion to the substrate, an adhesion aid called an anchor coat agent such as polyethyleneimine or organic isocyanate is applied on the substrate in advance, and this coating surface is applied. A method of laminating melted polyethylene resin is common. However, this method not only increases the production cost, but also has problems such as safety due to the organic solvent and deterioration of the working environment, and residual odor in the final product.
これらの問題を解決するため、アンカーコート剤を用いない方法が各種提案されている（例えば、特許文献１参照）。 In order to solve these problems, various methods that do not use an anchor coat agent have been proposed (for example, see Patent Document 1).
また、ダイオキシン類の発生を抑制する抑制材も各種提案されている（例えば、特許文献２参照）。 Various suppression materials that suppress the generation of dioxins have also been proposed (see, for example, Patent Document 2).
以下に公知文献を示す。
また、特許文献２記載の発明には、焼却物に混ぜてダイオキシンの発生量を抑制する抑制材が提案されているが、積層フィルム化までは言及されていない。 Moreover, although the suppression material which mixes with an incinerated product and suppresses the generation amount of a dioxin is proposed by invention of patent document 2, it does not mention until laminated film formation.
本発明は、ポリエチレン系樹脂を押し出しラミネート法によりポリエステル樹脂、ポリアミド樹脂等のプラスチックや紙、アルミニウム箔等の各種基材と積層して得られた複合
フィルムに関する以上のような問題に鑑みてなされたもので、アンカーコート剤を使用せずに押し出しラミネートができ、かつ、作製した複合フィルム類を焼却炉で焼却しても、廃ガスの中にダイオキシン類の発生が抑制されたポリエチレン系樹脂組成物と該ポリエチレン系樹脂組成物を用いて作製した積層フィルムを提供することを課題とする。
The present invention has been made in view of the above-described problems relating to a composite film obtained by laminating a polyethylene-based resin with plastics such as polyester resin and polyamide resin and various base materials such as paper and aluminum foil by an extrusion laminating method. Polyethylene resin composition that can be extruded and laminated without using an anchor coating agent, and the generation of dioxins in waste gas is suppressed even when the composite films produced are incinerated in an incinerator. It is an object of the present invention to provide a laminated film produced using the polyethylene resin composition.
本発明の請求項１の発明は、ポリエチレン樹脂１００重量部に、エポキシ化合物（Ａ）を１〜５重量部と、水酸化マグネシウム及び水酸化カルシウムの混合物に炭酸マグネシウム又は炭酸カルシウムを添加した組成物（Ｂ）を３〜６重量部添加したこと特徴とする、ポリエチレン系樹脂組成物（Ｃ）である。 The invention of claim 1 of the present invention is a composition comprising 100 parts by weight of a polyethylene resin, 1 to 5 parts by weight of an epoxy compound (A), and magnesium carbonate or calcium carbonate added to a mixture of magnesium hydroxide and calcium hydroxide. The polyethylene resin composition (C) is characterized in that 3 to 6 parts by weight of (B) is added.
このように請求項１記載の発明によれば、ポリエチレン樹脂１００重量部に、エポキシ化合物（Ａ）を１〜５重量部と、水酸化マグネシウム及び水酸化カルシウムの混合物に炭酸マグネシウム又は炭酸カルシウムを添加した組成物（Ｂ）を３〜６重量部添加したので、できたポリエチレン系樹脂組成物（Ｃ）は、アンカーコート剤を使用せずに、ポリエステル樹脂、ポリアミド樹脂等のプラスチックや紙、アルミニウム箔等の各種基材との接着性が良好であるとともに、塩素化合物を含有する基材と積層した複合フィルムを焼却炉で焼却しても発生するダイオキシンの発生量を抑制することができる。 Thus, according to the invention of claim 1, 1 to 5 parts by weight of the epoxy compound (A) is added to 100 parts by weight of the polyethylene resin, and magnesium carbonate or calcium carbonate is added to the mixture of magnesium hydroxide and calcium hydroxide. 3 to 6 parts by weight of the prepared composition (B) was added, so that the resulting polyethylene resin composition (C) was made of plastic such as polyester resin and polyamide resin, paper, and aluminum foil without using an anchor coating agent. In addition to good adhesion to various base materials such as the above, it is possible to suppress the amount of dioxins generated even when a composite film laminated with a base material containing a chlorine compound is incinerated in an incinerator.
また、請求項２の発明は、請求項１記載のポリエチレン系樹脂組成物（Ｃ）を溶融押し出しラミネート法により、プラスチックフィルムと貼り合わせたことを特徴とする、積層フィルムである。 The invention according to claim 2 is a laminated film, wherein the polyethylene resin composition (C) according to claim 1 is bonded to a plastic film by a melt extrusion lamination method.
このように請求項２記載の発明によれば、作製した積層フィルムは強い接着強度を有するとともに、焼却炉で焼却しても発生するダイオキシンの発生量を抑制することができる。 Thus, according to invention of Claim 2, while the produced laminated film has strong adhesive strength, it can suppress the generation amount of the dioxin generated even if it incinerates with an incinerator.
また、請求項３の発明は、ポリエステルフィルム／請求項１記載のポリエチレン系樹脂組成物（Ｃ）層／アルミニウム薄膜が蒸着されたポリエステルフィルム／請求項１記載のポリエチレン系樹脂組成物（Ｃ）層／シーラントフィルムの多層構成からなることを特徴とする、積層フィルムである。 The invention of claim 3 is polyester film / polyethylene resin composition (C) layer according to claim 1 / polyester film on which an aluminum thin film is deposited / polyethylene resin composition (C) layer according to claim 1. / A laminated film comprising a multilayer structure of a sealant film.
このように請求項３記載の発明によれば、積層フィルムが、ポリエステルフィルム／請求項１記載のポリエチレン系樹脂組成物（Ｃ）層／アルミニウム薄膜が蒸着されたポリエステルフィルム／請求項１記載のポリエチレン系樹脂組成物（Ｃ）層／シーラントフィルムの多層構成から構成されているので、強い接着強度を有するとともに、焼却炉で焼却しても発生するダイオキシンの発生量を抑制することができる。 Thus, according to the invention of claim 3, the laminated film is polyester film / polyethylene resin composition (C) layer of claim 1 / polyester film on which an aluminum thin film is deposited / polyethylene of claim 1. Since it is comprised from the multilayer structure of a system resin composition (C) layer / sealant film, it has strong adhesive strength and can suppress the amount of dioxins generated even when incinerated in an incinerator.
上記のように、本発明のポリエチレン系樹脂組成物と該ポリエチレン系樹脂組成物を用いて作製した積層フィルムは、アンカーコート剤を使用せずにラミネート加工が可能なため、加工時に溶剤などの揮発による環境汚染を防止させることができる。また、焼却炉で焼却する際、ダイオキシンの発生量を抑制することができ、環境配慮型の包装材料として使用することが可能になる。 As described above, the polyethylene-based resin composition of the present invention and the laminated film produced using the polyethylene-based resin composition can be laminated without using an anchor coat agent, so that the volatilization of solvents, etc. Can prevent environmental pollution. Further, when incinerated in an incinerator, the amount of dioxins generated can be suppressed, and it can be used as an environmentally friendly packaging material.
本発明のポリエチレン系樹脂組成物と該ポリエチレン系樹脂組成物を用いて作製した積層フィルムを一実施形態に基づいて以下に詳細に説明する。 The polyethylene-based resin composition of the present invention and a laminated film prepared using the polyethylene-based resin composition will be described in detail below based on one embodiment.
本発明のポリエチレン系樹脂組成物（Ｃ）は、例えば、ポリエチレン樹脂１００重量部
に、エポキシ化合物（Ａ）を１〜５重量部と、水酸化マグネシウム及び水酸化カルシウムの混合物に炭酸マグネシウム又は炭酸カルシウムを添加した組成物（Ｂ）を３〜６重量部添加したものである。
The polyethylene-based resin composition (C) of the present invention includes, for example, 100 parts by weight of a polyethylene resin, 1 to 5 parts by weight of the epoxy compound (A), and magnesium carbonate or calcium carbonate in a mixture of magnesium hydroxide and calcium hydroxide. 3 to 6 parts by weight of the composition (B) to which is added.
ポリエチレン樹脂としては、低密度ポリエチレン樹脂、中密度ポリエチレン樹脂、高密度ポリエチレン樹脂、線状低密度ポリエチレン樹脂等一般的に公知の樹脂が使用できる。 As the polyethylene resin, generally known resins such as a low density polyethylene resin, a medium density polyethylene resin, a high density polyethylene resin, and a linear low density polyethylene resin can be used.
エポキシ化合物（Ａ）としては、分子内に少なくとも２個以上のエポキシ基を含む、分子量が３０００以下、特に１５００以下の多価エポキシ化合物が好ましく使用できる。より具体的には、エポキシ化植物油が好適に使用できる。 As the epoxy compound (A), a polyvalent epoxy compound containing at least two epoxy groups in the molecule and having a molecular weight of 3000 or less, particularly 1500 or less can be preferably used. More specifically, epoxidized vegetable oil can be preferably used.
エポキシ化合物（Ａ）は、分子内に２個以上のエポキシ基を含んでいる必要があり、分子内のエポキシ基が１個の場合には基材との接着強度が得られない。また、分子量が３０００を超えると、ポリエチレン樹脂と混合して組成物とした際に，十分な接着強度が得られない。 The epoxy compound (A) needs to contain two or more epoxy groups in the molecule. When the number of epoxy groups in the molecule is one, the adhesive strength with the substrate cannot be obtained. On the other hand, if the molecular weight exceeds 3000, sufficient adhesive strength cannot be obtained when mixed with polyethylene resin to form a composition.
本発明のポリエチレン系樹脂組成物（Ｃ）は、以上のような構成からなるので、このポリエチレン系樹脂組成物（Ｃ）を、例えば、シーラント層にして作製した積層フィルムは、実用上、十分耐えられる基材フィルムとの接着強度を有しているし、この積層フィルムを焼却した場合、ダイオキシン類の発生が抑制できる。 Since the polyethylene-based resin composition (C) of the present invention has the above-described configuration, a laminated film prepared by using the polyethylene-based resin composition (C) as, for example, a sealant layer is practically sufficiently durable. When the laminated film is incinerated, the generation of dioxins can be suppressed.
以下実施例により本発明を詳細に説明する。
〈実施例１〉
基材フィルム（１１）として、厚さ１２μｍのポリエチレンテレフタレート（ＰＥＴ）フィルムを準備した。
Hereinafter, the present invention will be described in detail by way of examples.
<Example 1>
A polyethylene terephthalate (PET) film having a thickness of 12 μm was prepared as the base film (11).
シーラントフィルム（１３）として、厚さ４０μｍの未延伸ポリプロピレン（ＣＰＰ）フィルムを準備した。 As the sealant film (13), an unstretched polypropylene (CPP) film having a thickness of 40 μm was prepared.
基材フィルム（１１）であるＰＥＴフィルムとシーラント層（１３）であるＣＰＰフィルムとを、以下に述べる処方からなるポリエチレン系樹脂組成物を押出機のホッパーに投入し、押出機で加熱溶解し、基材フィルムとシーラント層の間にスリットからフィルム状に押し出し、圧着冷却して、ＰＥＴフィルム（１１）／ポリエチレン系樹脂組成物（１４）／ＣＰＰフィルム（１３）の３層構成からなる積層フィルムを作製した（図１参照）。なお、ＰＥＴフィルムのポリエチレン系樹脂組成物と接する面には、あらかじめコロナ放電処理を施した。 A PET film as a base film (11) and a CPP film as a sealant layer (13) are charged into a hopper of an extruder with a polyethylene resin composition having a formulation described below, and heated and dissolved in the extruder. A laminated film composed of a three-layer structure of PET film (11) / polyethylene resin composition (14) / CPP film (13) is extruded between the base film and the sealant layer into a film shape from a slit, and is cooled by pressure bonding. It produced (refer FIG. 1). In addition, the surface which contact | connects the polyethylene-type resin composition of PET film performed the corona discharge process previously.
ポリエチレン系樹脂組成物の組成はつぎの通りである。 The composition of the polyethylene resin composition is as follows.
すなわち、低密度ポリエチレン樹脂１００重量部にエポキシ化合物（Ａ）が１〜５重量部混練された日本ポリオレフィン株式会社製のＪＨ６０７Ｄ（水酸化マグネシウム及び水酸化カルシウムの混合物に炭酸マグネシウム又は炭酸カルシウムを添加した組成物）に、焼却時に発生するダイオキシンを抑制可能とするマスターバッチ）（ＤＸＮＯＮ〜大日本化学株式会社製）を６〜１０％ブレンドした。 That is, JH607D (manufactured by Nippon Polyolefin Co., Ltd.) in which 1 to 5 parts by weight of an epoxy compound (A) was kneaded with 100 parts by weight of a low density polyethylene resin (magnesium carbonate or calcium carbonate was added to a mixture of magnesium hydroxide and calcium hydroxide) The composition) was blended with 6 to 10% of a masterbatch (DXNON, manufactured by Dainippon Chemical Co., Ltd.) capable of suppressing dioxins generated during incineration.
この実施例１の複合フィルムは、適度の接着強度があることは勿論のこと、焼却時のダイオキシンの発生量が抑制でき、環境配慮型包装材料として用いることができる。
〈実施例２〉
中間層（１２）として、厚さ１２μｍのＰＥＴフィルムにアルミニウムの薄膜を２０〜
１００ｎｍ程度蒸着により設けたアルミニウム蒸着ＰＥＴフィルム（以下ＶＭＰＥＴと称する）を準備した。
The composite film of Example 1 can be used as an environmentally friendly packaging material because it can suppress the generation amount of dioxin during incineration, as well as having an appropriate adhesive strength.
<Example 2>
As an intermediate layer (12), an aluminum thin film 20 to
An aluminum-deposited PET film (hereinafter referred to as VMPET) provided by approximately 100 nm was prepared.
基材フィルム（１１）であるＰＥＴフィルムと中間層（１２）であるＶＭＰＥＴとを、実施例１と同じ処方からなるポリエチレン系樹脂組成物を押出機のホッパーに投入し、押出機で加熱溶解し、基材フィルムと中間層の間にスリットからフィルム状に押し出し、圧着冷却して、ＰＥＴフィルム（１１）／ポリエチレン系樹脂組成物（１４）／ＶＭＰＥＴ（１２）の３層構成からなる積層フィルムを作製した（図２参照）。なお、ＰＥＴフィルムのポリエチレン系樹脂組成物と接する面には、実施例１と同様にあらかじめコロナ放電処理を施した。 A PET film as a base film (11) and VMPET as an intermediate layer (12) are charged into a hopper of an extruder with a polyethylene resin composition having the same formulation as in Example 1, and heated and dissolved in the extruder. Then, a laminated film consisting of a three-layer structure of PET film (11) / polyethylene resin composition (14) / VMPET (12) is extruded between the base film and the intermediate layer in the form of a film from the slit and cooled by pressure bonding. It produced (refer FIG. 2). In addition, the surface which contacts the polyethylene-type resin composition of PET film was previously corona-discharge-treated like Example 1. FIG.
ついで、この複合フィルムの中間層（１２）であるＶＭＰＥＴ面にコロナ放電処理をしつつ、上記処方からなるポリエチレン系樹脂組成物を押出機のホッパーに投入し、押出機で加熱溶解し、ＣＰＰフィルムと中間層の間にスリットからフィルム状に押し出し、圧着冷却して、ＰＥＴフィルム（１１）／ポリエチレン系樹脂組成物（１４）／ＶＭＰＥＴ（１２）／ポリエチレン系樹脂組成物（１４）／ＣＰＰフィルム（１３）の５層構成からなる実施例２の積層フィルムを作製した。なお、ＶＭＰＥＴのポリエチレン系樹脂組成物と接する面には、あらかじめコロナ放電処理を施した。 Next, while subjecting the VMPET surface, which is the intermediate layer (12) of this composite film, to corona discharge treatment, the polyethylene-based resin composition having the above formulation was put into an hopper of an extruder and heated and dissolved in the extruder to obtain a CPP film. The film is extruded between the intermediate layer and the intermediate layer in the form of a film, cooled by pressure bonding, and then PET film (11) / polyethylene resin composition (14) / VMPET (12) / polyethylene resin composition (14) / CPP film ( A laminated film of Example 2 having the five-layer structure of 13) was produced. In addition, the surface which contacts the polyethylene-type resin composition of VMPET was previously subjected to corona discharge treatment.
なお、この積層フィルムは、共押出し法による１度の加工で作製しても構わない。 In addition, you may produce this laminated | multilayer film by one process by a coextrusion method.
この実施例２の複合フィルムも、適度の接着強度があることは勿論のこと、焼却時のダイオキシンの発生量が抑制でき、環境配慮型包装材料として用いることができる。
〈実施例３〉
溶融押し出しするポリエチレン系樹脂として、汎用の低密度ポリエチレン樹脂であるミラソン１４Ｐ（三井化学株式会社製）を用い、基材フィルム面と中間層面に水性一液型のポリエチレン押し出しラミネート用のアンカーコート剤を用いた以外は、実施例１、実施例２と同じ基材フィルム（１１）、中間層（１２）、シーラントフィルム（１３）を用い、実施例１、２と同じ方法で、ＰＥＴフィルム／アンカーコート剤／ミラソン１４Ｐ／ＶＭＰＥＴ／ミラソン１４Ｐ／シーラントフィルムの５層構成からなる実施例３の積層フィルムを作製した。
The composite film of Example 2 can also be used as an environmentally friendly packaging material because it can suppress the generation amount of dioxin during incineration, as well as having an appropriate adhesive strength.
<Example 3>
As a polyethylene-based resin to be melt-extruded, a general-purpose low-density polyethylene resin, Mirason 14P (manufactured by Mitsui Chemicals, Inc.) is used. PET film / anchor coat using the same base film (11), intermediate layer (12), and sealant film (13) as in Examples 1 and 2 except that it was used. A laminated film of Example 3 having a five-layer structure of agent / Mirason 14P / VMPET / Mirason 14P / sealant film was produced.
従来から使用されているこの実施例３の積層フィルムは、押出しラミネート用のアンカーコート剤を使用しないと接着強度が発現しない。また、使用材料中にダイオキシン抑制剤など添加していない。このため、加工時に溶剤分の揮発による環境汚染を防止させることはできないし、焼却時のダイオキシン抑制対応策もとられていない。 The laminated film of Example 3 conventionally used does not exhibit adhesive strength unless an anchor coating agent for extrusion lamination is used. In addition, no dioxin inhibitor is added to the materials used. For this reason, environmental pollution due to volatilization of the solvent during processing cannot be prevented, and measures to suppress dioxins during incineration have not been taken.
１０‥‥積層フィルム
１１‥‥基材フィルム
１２‥‥中間層
１３‥‥シーラントフィルム
１４‥‥ポリエチレン系樹脂層
10 ... Laminated
Claims (3)
Polyester film / polyethylene resin composition (C) layer according to claim 1 / polyester film on which an aluminum thin film is deposited / polyethylene resin composition (C) layer according to claim 1 / sealant film A laminated film characterized by
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003424343A JP2005179555A (en) | 2003-12-22 | 2003-12-22 | Polyethylene resin composition and laminated film using the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003424343A JP2005179555A (en) | 2003-12-22 | 2003-12-22 | Polyethylene resin composition and laminated film using the same |
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| JP2005179555A true JP2005179555A (en) | 2005-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2003424343A Pending JP2005179555A (en) | 2003-12-22 | 2003-12-22 | Polyethylene resin composition and laminated film using the same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010186933A (en) * | 2009-02-13 | 2010-08-26 | Tosoh Corp | Backsheet for solar cell and solar cell using the same |
| CN103381685A (en) * | 2013-07-09 | 2013-11-06 | 黄山永新股份有限公司 | Packaging film with high peel strength and its preparation method |
| CN104553190A (en) * | 2014-12-30 | 2015-04-29 | 桐城市福润包装材料有限公司 | Composite packaging film |
| CN104786602A (en) * | 2015-03-30 | 2015-07-22 | 安徽松泰包装材料有限公司 | Composite film |
| JP2015532223A (en) * | 2012-10-05 | 2015-11-09 | ユニリーバー・ナームローゼ・ベンノートシヤープ | New laminated film for packaging |
| CN111548549A (en) * | 2020-06-19 | 2020-08-18 | 浙江晟祺实业有限公司 | High-performance antioxidant polyethylene plastic |
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2003
- 2003-12-22 JP JP2003424343A patent/JP2005179555A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010186933A (en) * | 2009-02-13 | 2010-08-26 | Tosoh Corp | Backsheet for solar cell and solar cell using the same |
| JP2015532223A (en) * | 2012-10-05 | 2015-11-09 | ユニリーバー・ナームローゼ・ベンノートシヤープ | New laminated film for packaging |
| US10046395B2 (en) | 2012-10-05 | 2018-08-14 | Conopco, Inc. | Laminated film for packaging |
| CN103381685A (en) * | 2013-07-09 | 2013-11-06 | 黄山永新股份有限公司 | Packaging film with high peel strength and its preparation method |
| CN104553190A (en) * | 2014-12-30 | 2015-04-29 | 桐城市福润包装材料有限公司 | Composite packaging film |
| CN104786602A (en) * | 2015-03-30 | 2015-07-22 | 安徽松泰包装材料有限公司 | Composite film |
| CN111548549A (en) * | 2020-06-19 | 2020-08-18 | 浙江晟祺实业有限公司 | High-performance antioxidant polyethylene plastic |
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