JP2018504292A - 生分解性多層フィルム - Google Patents
生分解性多層フィルム Download PDFInfo
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- JP2018504292A JP2018504292A JP2017526916A JP2017526916A JP2018504292A JP 2018504292 A JP2018504292 A JP 2018504292A JP 2017526916 A JP2017526916 A JP 2017526916A JP 2017526916 A JP2017526916 A JP 2017526916A JP 2018504292 A JP2018504292 A JP 2018504292A
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- polymer film
- polymer
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Abstract
Description
a.少なくとも1種のポリヒドロキシアルカノエートを含む第1の被覆層のポリマー組成物を準備するステップ、
b.第1の被覆層を形成するステップ、
c.中間層の少なくとも1種の熱可塑性ポリマーを準備するステップ、
d.中間層を形成するステップ、
e.第2の被覆層のポリマー組成を準備するステップ、
f.第2の被覆層を形成するステップ。
ヴェルナー・ウント・プフライデラー社(Coperion Werner & Pfleiderer社)ZSK 70型、スクリュー直径70mm、L/D=36の二軸押出機(共回転)を用いて以下のポリマーブレンドAをコンパウンド化した(含有率は重量パーセントで計量)。
ヴェルナー・ウント・プフライデラー社(Coperion Werner & Pfleiderer社)ZSK 40型の二軸押出機(共回転)、スクリュー直径40mm、L/D=42を用いて次の処方Bをコンパウンド化した(含有率は重量パーセントで計量)。
外側4層のために20mmのスクリュー直径、L/D=25、内層のために25mmのスクリュー直径、L/D=25を有するBiotem1015(ドクトル・コリン社(DR. COLLIN社))型の5層ブロー成形フィルムラインを用いて多層フィルムを製造した。これらの実施例においては被覆層のために次の処方を押出機中でコンパウンド化した(量は重量パーセントで計量)。
Claims (42)
- ポリマー構成部分が水溶液に溶ける少なくとも1つの中間層Aと、前記少なくとも1つの中間層Aの上下にそれぞれ配置された少なくとも1つの実質的に不透水性の被覆層B、Cとを含み、前記層A、BおよびCは、互いに独立に少なくとも1種の熱可塑性ポリマーをそれぞれ含み、前記被覆層BおよびCのうち少なくとも一方は、少なくとも1種のポリヒドロキシアルカノエートを含む多層ポリマーフィルム。
- 前記ポリヒドロキシアルカノエートは、前記被覆層BおよびCのうち少なくとも一方の中に前記特定の被覆層の全重量を基準として少なくとも10重量%、特に少なくとも15重量%または20重量%の量で含有されることを特徴とする、請求項1に記載のポリマーフィルム。
- 前記被覆層BおよびCの前記それぞれ少なくとも1種の熱可塑性ポリマーは、加水分解によって分解できることを特徴とする、請求項1または2に記載のポリマーフィルム。
- 前記被覆層BおよびCの前記それぞれ少なくとも1種の熱可塑性ポリマーは、互いに独立に熱可塑性デンプン、デンプン含有熱可塑性プラスチック、ポリビニルアルコール、熱可塑性ポリビニルアルコール、ポリ酢酸ビニル、ポリ(3−ヒドロキシブタノエート)、ポリ(3−ヒドロキシバレレート)、ポリ(3−ヒドロキシヘキサノエート)、ポリ(3−ヒドロキシブチレート−co−3−ヒドロキシバレレート)、ポリ(3−ヒドロキシブチレート−co−3−ヒドロキシヘキサノエート)、ポリ乳酸、ポリカプロラクトン、ポリブチレンスクシネート、ポリ(ブチレンアジペート−co−スクシネート)、芳香族−脂肪族コポリエステル、ポリ(ブチレンアジペート−co−テレフタレート)、ポリ(ブチレンセバケート−co−テレフタレート)およびそれらの混合物からなる群から選ばれることを特徴とする、請求項1から3のいずれか一項に記載のポリマーフィルム。
- 前記被覆層BおよびCのうち少なくとも一方の中の前記ポリヒドロキシアルカノエートは、ポリ(3−ヒドロキシブタノエート)、ポリ(3−ヒドロキシバレレート)、ポリ(3−ヒドロキシヘキサノエート)、ポリ(3−ヒドロキシブチレート−co−3−ヒドロキシバレレート)、ポリ(3−ヒドロキシブチレート−co−3−ヒドロキシヘキサノエート)およびそれらの混合物からなる群から選ばれることを特徴とする、請求項1から4のいずれか一項に記載のポリマーフィルム。
- 前記被覆層BおよびCのうち少なくとも一方の中の前記ポリヒドロキシアルカノエートは、発酵プロセスにおける微生物および/または化学合成によって製造されることを特徴とする、請求項1から5のいずれか一項に記載のポリマーフィルム。
- 前記被覆層BおよびCは、それぞれの中に少なくとも1種のポリヒドロキシアルカノエートを含むことを特徴とする、請求項1から6のいずれか一項に記載のポリマーフィルム。
- 前記被覆層Bおよび/またはCの前記少なくとも1種の熱可塑性ポリマーは、前記ポリヒドロキシアルカノエートであることを特徴とする、請求項1から7のいずれか一項に記載のポリマーフィルム。
- 前記被覆層Bおよび/またはCは、前記特定の被覆層の炭素の総量を基準とし、ASTM D6866に従って少なくとも40%、特に、少なくとも45%または50%の生物由来炭素をそれぞれ含むことを特徴とする、請求項1から8のいずれか一項に記載のポリマーフィルム。
- 前記被覆層Bおよび/またはCは、ISO15985および/またはISO14855に従って少なくとも40%、特に少なくとも45%または少なくとも50%、少なくとも60%、少なくとも80%、少なくとも90%または少なくとも95%の程度にそれぞれ生分解性であることを特徴とする、請求項1から9のいずれか一項に記載のポリマーフィルム。
- 前記中間層Aは、ISO15985および/またはISO14855に従って少なくとも40%、少なくとも50%、少なくとも60%、少なくとも70%、少なくとも80%、少なくとも90%または少なくとも95%の程度に生分解性であることを特徴とする、請求項1から10のいずれか一項に記載のポリマーフィルム。
- 前記中間層Aの前記少なくとも1種の熱可塑性ポリマーは、熱可塑性デンプン、デンプン含有熱可塑性プラスチック、ポリビニルアルコール、熱可塑性ポリビニルアルコール、ポリ酢酸ビニル、ポリエチレングリコール、酢酸セルロース、エチルセルロース、ヒドロキシプロピルセルロース、ヒドロキシプロピルメチルセルロース、ポリ(ビニルピロリドン)、ポリ(3−ヒドロキシブタノエート)、ポリ(3−ヒドロキシバレレート)、ポリ(3−ヒドロキシヘキサノエート)、ポリ(3−ヒドロキシブチレート−co−3−ヒドロキシバレレート)、ポリ(3−ヒドロキシブチレート−co−3−ヒドロキシヘキサノエート)、ポリ乳酸、ポリカプロラクトン、ポリブチレンスクシネート、ポリ(ブチレンアジペート−co−スクシネート)、芳香族−脂肪族コポリエステル、ポリ(ブチレンアジペート−co−テレフタレート)、ポリ(ブチレンセバケート−co−テレフタレート)およびそれらの混合物からなる群から選ばれることを特徴とする、請求項1から11のいずれか一項に記載のポリマーフィルム。
- 前記ポリマーフィルムは、乾燥状態でEN ISO 527に従って100%以上、特に150%以上、180%以上、200%以上、220%以上または250%以上の破断伸びを押出方向(MD)に有することを特徴とする、請求項1から12のいずれか一項に記載のポリマーフィルム。
- 前記ポリマーフィルムは、前記乾燥状態でEN ISO 527に従って100%以上、特に150%以上、180%以上、200%以上、220%以上または250%以上の破断伸びを前記押出方向と直角(TD)に有することを特徴とする、請求項1から13のいずれか一項に記載のポリマーフィルム。
- 前記ポリマーフィルムは、前記乾燥状態でASTM D1709に従って少なくとも5g/μmの比ダート落下値を有することを特徴とする、請求項1から14のいずれか一項に記載のポリマーフィルム。
- 前記被覆層Bおよび/またはCは、水溶液中で互いに独立に長くとも14日以内、特に長くとも10日以内または長くとも7日以内に元のポリマーフィルムの全表面積の多くとも60%の表面積を有する複数部分にそれぞれ崩壊することを特徴とする、請求項1から15のいずれか一項に記載のポリマーフィルム。
- 前記被覆層Bおよび/またはCは、水溶液中で互いに独立に長くとも14日以内、特に長くとも10日以内または長くとも7日以内に多くとも100cm2の表面積を有する複数部分にそれぞれ崩壊することを特徴とする、請求項1から16のいずれか一項に記載のポリマーフィルム。
- 前記ポリマーフィルムは、10μmから80μm、特に20μmから60μm、20μmから40μm、20μmから35μmまたは25μmから35μmの全厚を有することを特徴とする、請求項1から17のいずれか一項に記載のポリマーフィルム。
- 前記ポリマーフィルムの前記中間層Aは、前記ポリマーフィルムの前記全厚の30%から90%、特に40%から85%、40%から80%または60%から80%を占めることを特徴とする、請求項1から18のいずれか一項に記載のポリマーフィルム。
- 前記ポリマーフィルムの前記被覆層BおよびCは、一緒になって前記ポリマーフィルムの前記全厚の10%から70%、特に15%から60%、20%から60%または20%から40%を占めることを特徴とする、請求項1から19のいずれか一項に記載のポリマーフィルム。
- 前記被覆層Bおよび/またはCは、互いに独立に機械的影響および/または水溶液に対してより低い抵抗性を有する場所を有することを特徴とする、請求項1から20のいずれか一項に記載のポリマーフィルム。
- 前記被覆層Bおよび/またはCは、互いに独立に水溶性ポリマーを含むことを特徴とする、請求項1から21のいずれか一項に記載のポリマーフィルム。
- 前記被覆層Bおよび/またはCの表面は、互いに独立に波形の表面を有することを特徴とする、請求項1から22のいずれか一項に記載のポリマーフィルム。
- 前記被覆層Bおよび/またはCは、前記乾燥状態でASTM D1709に従って少なくとも5g/μmの比ダート落下値をそれぞれ有することを特徴とする、請求項1から23のいずれか一項に記載のポリマーフィルム。
- 前記被覆層Bおよび/またはCは、互いに独立にEN ISO 527に従って少なくとも10MPa、特に少なくとも15MPaまたは少なくとも20MPaの引張強度を前記押出方向(MD)に有することを特徴とする、請求項1から24のいずれか一項に記載のポリマーフィルム。
- 前記被覆層Bおよび/またはCは、互いに独立にEN ISO 527に従って少なくとも10MPa、特に少なくとも15MPaまたは少なくとも20MPaの引張強度を前記押出方向と直角(TD)に有することを特徴とする、請求項1から25のいずれか一項に記載のポリマーフィルム。
- 前記被覆層Bおよび/またはCは、互いに独立にEN ISO 527に従って少なくとも100%、特に少なくとも150%、少なくとも180%または少なくとも200%の破断伸びを前記押出方向(MD)に有することを特徴とする、請求項1から26のいずれか一項に記載のポリマーフィルム。
- 前記被覆層Bおよび/またはCは、互いに独立にEN ISO 527に従って少なくとも100%、特に少なくとも150%、少なくとも180%または少なくとも200%の破断伸びを前記押出方向と直角(TD)に有することを特徴とする、請求項1から27のいずれか一項に記載のポリマーフィルム。
- 前記中間層Aは、EN ISO 527に従って少なくとも10MPa、特に少なくとも15MPaの引張強度を前記押出方向(MD)に有することを特徴とする、請求項1から28のいずれか一項に記載のポリマーフィルム。
- 前記中間層Aは、EN ISO 527に従って少なくとも10MPa、特に少なくとも15MPaの引張強度を前記押出方向と直角(TD)に有することを特徴とする、請求項1から29のいずれか一項に記載のポリマーフィルム。
- 前記中間層Aは、EN ISO 527に従って少なくとも100%、特に少なくとも150%または少なくとも200%の破断伸びを前記押出方向(MD)に有することを特徴とする、請求項1から30のいずれか一項に記載のポリマーフィルム。
- 前記中間層Aは、EN ISO 527に従って少なくとも100%、特に少なくとも150%または少なくとも200%の破断伸びを前記押出方向と直角(TD)に有することを特徴とする、請求項1から31のいずれか一項に記載のポリマーフィルム。
- 前記被覆層BおよびCは、同一であることを特徴とする、請求項1から32のいずれか一項に記載のポリマーフィルム。
- ポリマー構成部分が水溶液に溶ける少なくとも1つの中間層Aと、前記少なくとも1つの中間層Aの上下にそれぞれ配置された少なくとも1つの実質的に不透水性の被覆層B、Cとを含み、前記層A、BおよびCは、互いに独立にそれぞれ少なくとも1種の熱可塑性ポリマーを含み、前記層Aは、EN ISO 527に従って少なくとも15MPaの引張強度を有し、層BおよびCは、EN ISO 527に従って少なくとも20MPaの引張強度をそれぞれ有することを特徴とする多層ポリマーフィルム。
- 前記ポリマーフィルムは、請求項1から33に記載の少なくとも1つのさらに別の特徴によって定義されることを特徴とする、請求項34に記載のポリマーフィルム。
- ポリマー構成部分が水溶液に溶ける中間層Aと、前記中間層の上下にそれぞれ配置された少なくとも1つの実質的に不透水性の被覆層B、Cとを少なくとも含む多層ポリマーフィルムの製造のためのプロセスであって、前記層A、BおよびCは、互いに独立に少なくとも1種の熱可塑性ポリマーをそれぞれ含み、前記被覆層BおよびCのうち少なくとも一方は、少なくとも1種のポリヒドロキシアルカノエートを含み、
a.少なくとも1種のポリヒドロキシアルカノエートを含む第1の被覆層のポリマー組成物を準備するステップ、
b.前記第1の被覆層を形成するステップ、
c.前記中間層の少なくとも1種の熱可塑性ポリマーを準備するステップ、
d.中間層を形成するステップ、
e.第2の被覆層のポリマー組成物を準備するステップ、
f.前記第2の被覆層を形成するステップ
を含むプロセス。 - ステップb、ステップdおよびステップfが同時に行われることを特徴とする、請求項36に記載のプロセス。
- 前記プロセスは、共押出ステップを含むことを特徴とする、請求項36または37に記載のプロセス。
- 前記プロセスは、積層ステップを含むことを特徴とする、請求項36に記載のプロセス。
- ステップeにおいて少なくとも1種のポリヒドロキシアルカノエートが前記ポリマー組成物に加えられることを特徴とする、請求項36から39のいずれか一項に記載のプロセス。
- 成形部品、フィルムまたはバッグの製造のための請求項1から35のいずれか一項に記載のポリマーフィルムの使用。
- 請求項1から35のいずれか一項に記載の多層ポリマーフィルムから製造される成形部品、フィルムまたはバッグ。
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WO2020040093A1 (ja) * | 2018-08-20 | 2020-02-27 | 株式会社カネカ | ポリ(3-ヒドロキシブチレート)系樹脂チューブ及びその製造方法 |
WO2020059793A1 (ja) * | 2018-09-19 | 2020-03-26 | 株式会社平和化学工業所 | 樹脂成形品及びその製造方法 |
JP2020044717A (ja) * | 2018-09-19 | 2020-03-26 | 株式会社平和化学工業所 | 樹脂成形品及びその製造方法 |
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WO2022075233A1 (ja) * | 2020-10-07 | 2022-04-14 | 株式会社カネカ | 多層フィルム、および包材 |
WO2023085375A1 (ja) * | 2021-11-12 | 2023-05-19 | 株式会社カネカ | 積層体、およびその利用 |
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US11358378B2 (en) | 2022-06-14 |
JP6598859B2 (ja) | 2019-10-30 |
US20180345637A1 (en) | 2018-12-06 |
MA40983A (fr) | 2017-09-26 |
US20220297414A1 (en) | 2022-09-22 |
WO2016079244A1 (de) | 2016-05-26 |
EP3221141A1 (de) | 2017-09-27 |
DE102014017015A1 (de) | 2016-05-19 |
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