JP7530974B2 - 生分解性樹脂組成物及びその製造方法 - Google Patents
生分解性樹脂組成物及びその製造方法 Download PDFInfo
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- JP7530974B2 JP7530974B2 JP2022533131A JP2022533131A JP7530974B2 JP 7530974 B2 JP7530974 B2 JP 7530974B2 JP 2022533131 A JP2022533131 A JP 2022533131A JP 2022533131 A JP2022533131 A JP 2022533131A JP 7530974 B2 JP7530974 B2 JP 7530974B2
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Description
ここに記載されていない内容は、この技術分野で熟練した者であれば技術的に十分に類推できるものであるためその説明を省略する。
よって、本発明の思想は上述した実施例に限って決められてはならず、後述する特許請求の範囲だけでなく、この特許請求の範囲と均等にまたは等価的に変形された全てのものは本発明の思想の範疇に属するといえる。
以下、本発明が属する技術分野における通常の知識を有する者が本発明を容易に実施し得るようにするために、本発明の好ましい実施例を参照して詳細に説明する。
Claims (11)
- ポリエチレン10乃至70重量%、生分解性樹脂10乃至60重量%、及び無水マレイン酸共重合体10乃至50重量%を含む生分解性樹脂組成物であり、
前記ポリエチレンは、高密度ポリエチレン(HDPE)、低密度ポリエチレン(LDPE)、中間密度ポリエチレン(MDPE)及び線形低密度ポリエチレン(LLDPE)から選択される少なくともいずれか1つ以上であり、
前記生分解性樹脂は、熱可塑性デンプン(TPS)、ポリ乳酸(PLA)、ポリカプロラクトン(PCL)、ポリコハク酸ブチレン(PBS)、ポリグリコール酸(PGA)、ポリヒドロキシアルカン酸(PHA)、ポリヒドロキシ酪酸(PHB)、セルロース、及びキチンから選択される少なくともいずれか一つ以上を含み、
前記無水マレイン酸共重合体は、無水マレイン酸とポリブチレンアジペートテレフタレート(PBAT)、ポリブチレンサクシネートアジペート(PBSA)、及びポリブチレンサクシネート(PBS)から選択される少なくともいずれか一つと共重合されたものである
ことを特徴とする生分解性樹脂組成物。 - 前記熱可塑性デンプンは、米デンプン、小麦デンプン、トウモロコシデンプン、サツマイモデンプン、ジャガイモデンプン、タピオカデンプン、キャッサバデンプン、及びこれらの変性デンプンから選択される少なくともいずれか一つ以上を含む
請求項1に記載の生分解性樹脂組成物。 - 前記生分解性樹脂組成物の重量平均分子量は100,000乃至300,000である
請求項1に記載の生分解性樹脂組成物。 - 前記生分解性樹脂組成物の融点は100℃乃至130℃であり、溶融指数はASTM D1238基準に190℃の2.16Kgで0.01乃至10g/10minである
請求項1に記載の生分解性樹脂組成物。 - 請求項1ないし4のうちいずれかに記載の生分解性樹脂組成物を含む
ことを特徴とする生分解性フィルム。 - 前記フィルムは、工業用フィルム、食品用フィルム、農業用フィルム、生活用フィルムから選択される少なくともいずれか一つ以上に適用される
請求項5に記載の生分解性フィルム。 - 前記フィルムの厚さは1乃至50μmである
請求項5に記載の生分解性フィルム。 - ポリエチレン10乃至70重量%、生分解性樹脂10乃至60重量%、及び無水マレイン酸共重合体10乃至50重量%を含んで、溶融ブレンディング法で製造される生分解性樹脂組成物の製造方法であって、
前記ポリエチレンは、高密度ポリエチレン(HDPE)、低密度ポリエチレン(LDPE)、中間密度ポリエチレン(MDPE)及び線形低密度ポリエチレン(LLDPE)から選択される少なくともいずれか1つ以上であり、
前記生分解性樹脂は、熱可塑性デンプン(TPS)、ポリ乳酸(PLA)、ポリカプロラクトン(PCL)、ポリコハク酸ブチレン(PBS)、ポリグリコール酸(PGA)、ポリヒドロキシアルカン酸(PHA)、ポリヒドロキシ酪酸(PHB)、セルロース、及びキチンから選択される少なくともいずれか一つ以上を含み、
前記無水マレイン酸共重合体は、無水マレイン酸とポリブチレンアジペートテレフタレート(PBAT)、ポリブチレンサクシネートアジペート(PBSA)、及びポリブチレンサクシネート(PBS)から選択される少なくともいずれか一つと共重合されたものである
ことを特徴とする生分解性樹脂組成物の製造方法。 - 前記溶融ブレンディングは、バレルの設定温度が160℃乃至210℃で行われる
請求項8に記載の生分解性樹脂組成物の製造方法。 - 前記溶融ブレンディングは、圧出器、ニーダー(Kneader)、ブラベンダープラスチコーダー(Brabender Plasticorder)、ミキシングロール(Mixing Roll)、及び混合器から選択される少なくともいずれか一つ以上を使用する
請求項8に記載の生分解性樹脂組成物の製造方法。 - 前記圧出器は、一軸圧出器、二軸圧出器、一軸スクリュー及び二軸スクリュー圧出器から選択されるいずれか一つ以上を使用する
請求項10に記載の生分解性樹脂組成物の製造方法。
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JP2007520591A (ja) | 2003-12-19 | 2007-07-26 | イーストマン ケミカル カンパニー | 脂肪族−芳香族コポリエステルとエチレン−ビニルアセテートコポリマーとのブレンド |
JP2008213870A (ja) | 2007-03-01 | 2008-09-18 | Okamoto Kasei Kk | ひねり結束用変形形状保持体 |
JP2013067128A (ja) | 2011-09-26 | 2013-04-18 | Krh Kk | ストレッチフィルム製品 |
JP2017513974A (ja) | 2014-04-09 | 2017-06-01 | サウディ ベーシック インダストリーズ コーポレイション | サイレージフイルム |
CN106349631A (zh) | 2016-11-03 | 2017-01-25 | 金福英 | 一种阻燃可降解纳米包装材料及其制备方法 |
JP2023504656A (ja) | 2019-12-04 | 2023-02-06 | ハンファ ソリューションズ コーポレーション | 生分解性樹脂組成物及びその製造方法 |
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KR20210070641A (ko) | 2021-06-15 |
EP4071211A4 (en) | 2023-12-06 |
CN114729164A (zh) | 2022-07-08 |
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