JP7402335B2 - 包装体の製造方法 - Google Patents
包装体の製造方法 Download PDFInfo
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- JP7402335B2 JP7402335B2 JP2022530106A JP2022530106A JP7402335B2 JP 7402335 B2 JP7402335 B2 JP 7402335B2 JP 2022530106 A JP2022530106 A JP 2022530106A JP 2022530106 A JP2022530106 A JP 2022530106A JP 7402335 B2 JP7402335 B2 JP 7402335B2
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- hot melt
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- 239000004006 olive oil Substances 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- LGOPTUPXVVNJFH-UHFFFAOYSA-N pentadecanethioic s-acid Chemical compound CCCCCCCCCCCCCCC(O)=S LGOPTUPXVVNJFH-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 150000003097 polyterpenes Chemical class 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- LVEOKSIILWWVEO-UHFFFAOYSA-N tetradecyl 3-(3-oxo-3-tetradecoxypropyl)sulfanylpropanoate Chemical compound CCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCC LVEOKSIILWWVEO-UHFFFAOYSA-N 0.000 description 1
- OLTHARGIAFTREU-UHFFFAOYSA-N triacontane Natural products CCCCCCCCCCCCCCCCCCCCC(C)CCCCCCCC OLTHARGIAFTREU-UHFFFAOYSA-N 0.000 description 1
- FLTJDUOFAQWHDF-UHFFFAOYSA-N trimethyl pentane Natural products CCCCC(C)(C)C FLTJDUOFAQWHDF-UHFFFAOYSA-N 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
-
- 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
- C09J131/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
- C09J131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09J131/04—Homopolymers or copolymers of vinyl acetate
-
- 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
- C09J201/00—Adhesives based on unspecified macromolecular compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
「モレスコメルト(登録商標) ME-125」、軟化点83℃、160℃における粘度2100mPa・s
・ホットメルト接着剤2(EVA系ホットメルト2):
「モレスコメルト(登録商標) K-1183」、軟化点100℃、160℃における粘度3900mPa・s
・ホットメルト接着剤3(EVA系ホットメルト3):
「モレスコメルト(登録商標) PK-100S」、軟化点112℃、160℃における粘度1500mPa・s
・ホットメルト接着剤4(バイオマス系ホットメルト1):
「モレスコメルト(登録商標) PK-150Y」、軟化点103℃、160℃における粘度1850mPa・s
・ホットメルト接着剤5(バイオマス系ホットメルト2):
「モレスコメルト(登録商標) V-21」、軟化点90℃、160℃における粘度7000mPa・s
容量4Lのステンレス鋼(SUS)製の攪拌混錬機中に、ホットメルト接着剤の材料を2kg投入し、各ホットメルト接着剤の溶融点以上の温度で攪拌、溶融させた。
容量4Lのステンレス鋼(SUS)製の攪拌混錬機中に、ホットメルト接着剤の材料を2kg投入し、各ホットメルト接着剤の溶融点以上の温度で攪拌、溶融させた。
容量4Lのステンレス鋼(SUS)製の攪拌混錬機中に、ホットメルト接着剤の材料を2kg投入し、各ホットメルト接着剤の溶融点以上の温度で攪拌、溶融させた。
まず、紙基材として以下の紙材料を用意した:
・グリコ社「ビスコ」菓子箱用紙(板紙(コートボール紙))
・カルビー社「ポテトチップス クリスプ」菓子箱用紙(クラフト紙)
・モロゾフ社「PLAIN CHOCOLATE」菓子箱用紙(板紙(コートボール紙))
・エポック社「シルバニアファミリー」玩具箱用紙(ダンボール合紙)
・板紙表紙(コクヨ社製、板紙表紙)
・コート紙(王子製紙社製、トップコート)
・カートン紙(シモジマ社製、白色カートン)
・クラフト紙(レンゴー社製、K6ライナ表面のクラフト紙)
比較例1:グリコ社「ビスコ」菓子箱の紙基材(板紙(コートボール紙))が2枚積層(接着)されている部分を比較例1の包装体サンプルとして使用した。
上記試験片における酢酸の量の測定は、ガスクロマトグラフ質量分析計(GC アジレント社製7890B GCシステム、MS アジレント社製5977Bシリーズ GC/MSDシステム、DHS ゲステル社製DHSシステム)を用い、ダイナミックヘッドスペース法に基づいて行った。前処理として、各試料を160℃で60分間加熱した。キャピラリーカラムは内径0.25mm、5%フェニル/95%ジメチルポリシロキサンコーティング(コーティング厚0.25μm)、長さ30mを使用した。カラムの昇温プログラムは40~300℃まで10℃/分で加熱し、その後15分間保持した。この操作によって、質量分析器で検出した酢酸を検量線から定量した。
140mLのガラス瓶に、ホットメルト接着剤で貼り合せた試験片(包装体サンプル)を10mm×80mmの大きさにして4つ入れた。そのサンプルを80℃雰囲気下で30分加温し、室温10分静置したのち、1~2cmの距離でにおいを嗅いだ。
○:残存酢酸量7~17ppb 低臭効果がある
△:残存酢酸量18~24ppb 若干の低臭効果があるが、明らかな臭気が残っている
×:残存酢酸量25ppb以上 明らかに臭気を感じる
なお、上記◎の根拠は公益社団法人におい・かおり環境協会が公開の嗅覚閾値に準拠している。また、表において「<1」とは残量酢酸量が1ppb未満であったことを示し、「>25」とは25ppbを超えていたことを示す(検出限界)。
試験片を25℃24時間放置後、試験片中の一方の被着体を手で剥がし、被着体の材料破壊率(%)を算出した。なお、被着体の材料破壊率とは、2枚の被着体同士が接着している面全体の面積に対する、被着体が破壊した部分の面積の比率(百分率)である。本試験の評価基準は以下の通りとした。
○:材料破壊率60%以上80%未満
△:材料破壊率40%以上60%未満
×:材料破壊率40%未満
それぞれの結果を表1~3に示す。
表1~3の結果から明らかなように、本発明に関する包装体(実施例1~15)では、紙基材の種類に関わらず、酢酸の量がいずれも17ppb以下となっており、臭気も低減されていた。また、剥離試験の結果からもわかるように、紙基材がしっかりと固定されており、材料破壊することも確認できた。
Claims (4)
- エチレン酢酸ビニル系ベース樹脂および粘着性付与剤を含む液状のホットメルト接着剤用材料を加熱混練する間若しくは加熱混練した後に、加熱混練機に水またはアルコールのうち少なくともいずれかからなる液体を前記ホットメルト接着剤用材料100質量部に対して0.03質量部以上の量で導入し、前記ホットメルト接着剤用材料と前記液体が接するように加熱撹拌または分散を行いながら脱気を行い、ホットメルト接着剤を生成し、
前記ホットメルト接着剤を用いて紙基材を固定する、包装体の製造方法。 - 前記紙基材が、板紙、クラフト紙、コート紙、カートン紙、及びダンボール合紙からなる群より選択される少なくとも1つである、請求項1に記載の包装体の製造方法。
- 前記紙基材が少なくとも片面に、絵柄層または印刷層を備えている、請求項1または2に記載の包装体の製造方法。
- 前記液体を前記加熱混練機容積に対し、0.25倍容積以上の分速排気速度で脱気を行う、請求項1~3のいずれか一項に記載の包装体の製造方法。
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PCT/JP2021/019721 WO2021251124A1 (ja) | 2020-06-11 | 2021-05-25 | 包装体 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006272835A (ja) | 2005-03-30 | 2006-10-12 | Riken Technos Corp | ポリエステル系積層体、その製造方法及び積層体用熱接着剤 |
JP2009024144A (ja) | 2007-07-24 | 2009-02-05 | Tosoh Corp | エチレン−酢酸ビニル共重合体組成物 |
WO2017057500A1 (ja) | 2015-09-29 | 2017-04-06 | 日本ゼオン株式会社 | 変性炭化水素樹脂及びその製造方法、並びにホットメルト粘接着剤組成物 |
WO2019069610A1 (ja) | 2017-10-03 | 2019-04-11 | 株式会社Moresco | 粘着剤組成物 |
WO2019172434A1 (ja) | 2018-03-08 | 2019-09-12 | 出光興産株式会社 | 石油樹脂及び水素添加石油樹脂、並びに水素添加石油樹脂の製造方法 |
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US11787978B2 (en) * | 2019-01-31 | 2023-10-17 | Synthomer Adhesive Technologies Llc | Product assembly adhesives comprising low volatile tackifier compositions |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006272835A (ja) | 2005-03-30 | 2006-10-12 | Riken Technos Corp | ポリエステル系積層体、その製造方法及び積層体用熱接着剤 |
JP2009024144A (ja) | 2007-07-24 | 2009-02-05 | Tosoh Corp | エチレン−酢酸ビニル共重合体組成物 |
WO2017057500A1 (ja) | 2015-09-29 | 2017-04-06 | 日本ゼオン株式会社 | 変性炭化水素樹脂及びその製造方法、並びにホットメルト粘接着剤組成物 |
WO2019069610A1 (ja) | 2017-10-03 | 2019-04-11 | 株式会社Moresco | 粘着剤組成物 |
WO2019172434A1 (ja) | 2018-03-08 | 2019-09-12 | 出光興産株式会社 | 石油樹脂及び水素添加石油樹脂、並びに水素添加石油樹脂の製造方法 |
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JPWO2021251124A1 (ja) | 2021-12-16 |
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