JP2022542508A - バイオポリマー組成物、その製造方法およびこれを用いたバイオプラスチック - Google Patents
バイオポリマー組成物、その製造方法およびこれを用いたバイオプラスチック Download PDFInfo
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Abstract
Description
本発明は、バイオポリマー組成物、その製造方法およびこれを用いたバイオプラスチックに関する。
<実施例1>
共重合体樹脂(PLH、PLAとP(3HP)との重量比:90:10)99.5重量%、酸化防止剤(Irganox1010)0.3重量%、および滑剤(Irgafos168、2次酸化防止剤を含む)0.2重量%を水冷式二軸押出機に添加した後、押出スクリュー速度(100rpm)、ペレタイザー速度(400rpm)、スクリューの最後吐出部分の温度(210℃)、残りのスクリュー部分の温度(190℃)、メインホッパーの温度(160℃)の条件下、コンパウンディングしペレット化した。
前記実施例1において、共重合体樹脂(PLH)99.5重量%の代わりに、共重合体樹脂(PLH)88重量%、強度補強剤(Biostrength-150)10重量%、および分散剤(BYK-P-401)1.5重量%を添加したことを除き、実施例1と同様に行った。
共重合体樹脂(PLH、PLAとP(3HP)の重量比:90:10)100重量%を水冷式二軸押出機に添加した後、押出スクリュー速度(100rpm)、ペレタイザー速度(400rpm)、スクリューの最後吐出部分の温度(210℃)、残りのスクリュー部分の温度(190℃)、メインホッパーの温度(160℃)の条件下、コンパウンディングしペレット化した。
ポリ乳酸(Polylactic acid、PLA)89.5重量%、ポリ3-ヒドロキシプロピオネート(Poly3-hydroxypropionate、P(3HP))10重量%、酸化防止剤(Irganox1010)0.3重量%、および滑剤(Irgafos168)0.2重量%をクロロホルムに入れた後、常温で混合し乾燥させた。
前記実施例1において、共重合体樹脂(PLH)99.5重量%の代わりに、ポリ乳酸(Polylactic acid、PLA)89.5重量%およびポリ(ブチレンアジペートテレフタレート)(Poly(Butylene adipate terephthalate)、PBAT)10重量%を添加したことを除き、実施例1と同様に行った。
前記実施例1において、共重合体樹脂(PLH)99.5重量%の代わりに、ポリ乳酸(Polylactic acid、PLA)79.2重量%およびポリ(ブチレンアジペートテレフタレート)(Poly(Butylene adipate terephthalate)、PBAT)8.8重量%、強度補強剤10重量%、および分散剤1.5重量%を添加したことを除き、実施例1と同様に行った。
前記実施例1において、共重合体樹脂(PLH)99.5重量%の代わりに、ポリ乳酸(Polylactic acid、PLA)89.5重量%およびポリ(ブチレンスクシネート)(Poly(Butylene succinate)、PBS)10重量%を添加したことを除き、実施例1と同様に行った。
前記実施例1において、共重合体樹脂(PLH)99.5重量%の代わりに、ポリ乳酸(Polylactic acid、PLA)79.2重量%およびポリ(ブチレンスクシネート)(Poly(Butylene succinate)、PBS)8.8重量%、強度補強剤10重量%、および分散剤1.5重量%を添加したことを除き、実施例1と同様に行った。
前記実施例1、2および比較例1~6を圧縮(Compression)方式を利用してドッグボーン試験片に加工した後、UTM(Universal Testing Machine、万能材料試験機)で伸び率、引張強度および引張弾性率を測定(測定速度:10mm/min)した。
Claims (14)
- 乳酸(Lactic acid、LA)および3-ヒドロキシプロピオネート(3-Hydroxypropionate、3HP)の共重合体樹脂83.5重量%以上;
酸化防止剤;および
滑剤
を含み、
伸び率が90%以上500%以下であるバイオポリマー組成物。 - 前記乳酸(Lactic acid、LA)および3-ヒドロキシプロピオネート(3-Hydroxypropionate、3HP)の共重合体樹脂を99重量%以上含むものである、請求項1に記載のバイオポリマー組成物。
- 前記共重合体樹脂は、乳酸(Lactic acid、LA)および3-ヒドロキシプロピオネート(3-Hydroxypropionate、3HP)が1:99~99:1の重量比で重合されたものである、請求項1に記載のバイオポリマー組成物。
- 前記共重合体樹脂は、ポリ乳酸(Poly lactic acid、PLA)およびポリ3-ヒドロキシプロピオネート(Poly3-hydroxypropionate、P(3HP))が重合されたものである、請求項1に記載のバイオポリマー組成物。
- 前記共重合体樹脂は、前記乳酸(Lactic acid、LA)と前記3-ヒドロキシプロピオネート(3-Hydroxypropionate、3HP)とのブロック共重合体である、請求項1に記載のバイオポリマー組成物。
- 前記バイオポリマー組成物は、前記酸化防止剤および滑剤を、前記バイオポリマー組成物全体100重量部に対して、それぞれ0.01重量部~0.5重量部含むものである、請求項1に記載のバイオポリマー組成物。
- 前記バイオポリマー組成物は、
引張強度が40MPa以上70MPa以下であり、
引張弾性率が2.5GPa以上5GPa以下である、請求項1に記載のバイオポリマー組成物。 - 前記バイオポリマー組成物は、
前記共重合体樹脂を83.5重量%以上94.5重量%以下含み、
強度補強剤;および分散剤をさらに含み、
衝撃強度が100J/m以上200J/m以下である、請求項1に記載のバイオポリマー組成物。 - 前記強度補強剤は、シリコーン系、アクリル系、ブタジエン系、およびシリコーン-アクリル系の強度補強剤の中から選択されるものである、請求項8に記載のバイオポリマー組成物。
- 前記バイオポリマー組成物全体100重量%に対して、前記強度補強剤を5重量%~15重量%含み、前記分散剤を0.5重量%~1.5重量%含むものである、請求項8に記載のバイオポリマー組成物。
- 前記バイオポリマー組成物は、
引張強度が40MPa以上60MPa以下であり、
引張弾性率が2.5GPa以上4.5GPa以下である、請求項8に記載のバイオポリマー組成物。 - 乳酸(Lactic acid、LA)および3-ヒドロキシプロピオネート(3-Hydroxypropionate、3HP)の共重合体樹脂を用意するステップと、
前記共重合体樹脂に酸化防止剤および滑剤を混合して混合物を形成するステップと、
前記混合物を押出工程でコンパウンディングするステップと
を含む、請求項1~11のいずれか1項に記載のバイオポリマー組成物の製造方法。 - 前記押出工程でコンパウンディングするステップの前に、強度補強剤および分散剤を前記混合物に添加するステップをさらに含むものである、請求項12に記載のバイオポリマー組成物の製造方法。
- 請求項1~11のいずれか1項に記載のバイオポリマー組成物を含むバイオプラスチック。
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JP2010510372A (ja) * | 2006-11-21 | 2010-04-02 | エルジー・ケム・リミテッド | 3−ヒドロキシアルカノエート単位及びラクテート単位含有共重合体及びその製造方法 |
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JPH06298921A (ja) * | 1993-04-15 | 1994-10-25 | Mitsui Toatsu Chem Inc | マクロモノマーおよびその重合体 |
JP2001281448A (ja) * | 2000-03-31 | 2001-10-10 | Mitsui Chemicals Inc | 光学素子 |
JP2010510372A (ja) * | 2006-11-21 | 2010-04-02 | エルジー・ケム・リミテッド | 3−ヒドロキシアルカノエート単位及びラクテート単位含有共重合体及びその製造方法 |
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