JP2014523461A - ポリ乳酸に基づいたポリマー材料 - Google Patents
ポリ乳酸に基づいたポリマー材料 Download PDFInfo
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Abstract
【選択図】なし
Description
・Tg(それは有利には0〜35℃、特に5〜25℃の範囲、即ち周囲温度に近い);
・可塑性又は弾性を持つ変形挙動;
・0.1〜300MPa、好ましくは1〜300MPaの範囲の(ISO527に従って測定された)ヤング率(E);
・有利には50〜800%、好ましくは200〜600%の範囲の破断伸び(ε);
・5〜70MPa、特に15〜50MPaの範囲の破断応力(σ);
・透明性;及び
・熱安定性又はエージング抵抗性。
・ASTM標準規格D4065,D4440、及びD5279に従ったDMA(動的機械分析)試験。これらの試験は、0.5mm厚の試験ピースの引張モードにおける0.04%変形でかつ1Hzで、3℃/分で−40℃から170℃まで温度を上昇することによって実施される。
・Tgを決定し、結晶化の望ましくない兆候の不存在を表わすことができる、標準規格ISO11357に従ったDSC(示差走査熱量計)試験。それらは、温度を10℃/分で40℃から220℃まで上昇し、20℃/分で220℃から−40℃まで冷却し、2分間の等温の後、温度を10℃/分で−40℃から22℃まで上昇することによって実施される。
・標準規格ISO527に従った引張試験。ヤング率(E)、破断伸び(ε)、及び破断応力(σ)の測定を可能にするこれらの試験は、10mm/分の横行速度で熱成形板においてホローパンチによって切り出された試験ピース上で実施された。
・特に合成ポリマー材料に対して異なる数(Mn)及び重量(Mw)平均分子量の決定を可能にする立体排除クロマトグラフィ(SEC)。内部標準はポリスチレンである。
可塑剤、クエン酸n−トリブチル(TBC)が20%の含有量に添加されたポリ乳酸(PLA)の配合物(試料A)が検討される。それは30%のD構造単位の割合を持つ。
可塑剤、クエン酸n−トリブチル(TBC)が添加されたポリ乳酸(PLA)の配合が検討される。ここでは、ベースPLAは架橋されている(J=Joncryl ADR4368−CS)。
エージング試験は、製造される配合物の安定性が特徴づけられることを可能にする。従って、一連の引張試験ピースは、100℃で一晩のエージングを受け、熱機械的特性が再評価された。
(比較のため)ブロッキング防止剤を含むか又は含まない幾つかの異なる組成のポリマー材料のフィルムに対して密着試験を行なった。Merckによって商業的に供給されるkieselguhrは0.1mm未満の粒子サイズを有する。使用されるエルカ酸アミドのタイプは、Sigma−Aldrichによって商業的に供給されるシス−1,3−ドコセナミドである。
Claims (15)
- 60〜85重量%のL構造単位と15〜40重量%のD構造単位を含むか、又は60〜85重量%のD構造単位と15〜40重量%のL構造単位を含むベースポリ乳酸(PLA)ポリマーと、クエン酸エステル、グリセロールエステル及び誘導体、ポリアルキレンエーテル、ラクチドオリゴマー又は乳酸の誘導体、脂肪酸エステル及びエポキシ化油からなる群から選択される可塑剤との混合物を含むポリマー材料であって、可塑剤の含有量がポリマー材料の全重量に対して10〜40重量%の範囲である、ポリマー材料。
- クエン酸エステルがアルキルエステル、特にクエン酸n−トリブチル(TBC)である、請求項1に記載のポリマー材料。
- グリセロールエステル及びそれらの誘導体がモノ、ジ、トリグリセリド、並びにそれらのアセチル化及び/又はアルキル化誘導体及びそれらの混合物、例えば三酢酸グリセリル(TAC)である、請求項1又は2に記載のポリマー材料。
- 可塑剤の含有量がポリマー材料の全重量に対して15〜30重量%、より好ましくは20〜25重量%である、請求項1〜3のいずれかに記載のポリマー材料。
- ベースポリ乳酸(PLA)ポリマーが15〜30重量%のL構造単位又はD構造単位と、70〜85重量%のD構造単位又はL構造単位を含む、請求項1〜4のいずれかに記載のポリマー材料。
- ベースPLAが、架橋剤によるその鎖の架橋によって変性される、請求項1〜5のいずれかに記載のポリマー材料。
- ベースPLAの鎖の架橋剤が、ジョンクリルのようなグリシジル官能基を有するメタクリル及びアクリルコポリマー;イソシアヌレート誘導体、好ましくはトリアリルイソシアヌレート(TAIC)のようなアリル誘導体;ジクミルパーオキシド(DCP)のような有機パーオキシド;及びそれらの混合物から選択される、請求項6に記載のポリマー材料。
- 架橋剤の含有量が変性PLAの全重量に対して最大5重量%であり、有利には0.1〜5重量%、特に0.5〜4重量%の範囲である、請求項6又は7に記載のポリマー材料。
- 好ましくは珪藻土及び脂肪酸アミド、特にエルカ酸アミドから選択されるブロッキング防止剤をさらに含む、請求項1〜8のいずれかに記載のポリマー材料。
- 請求項1〜9のいずれかに記載のポリマー材料から形成されるポリマー材料フィルム。
- 少なくとも二つの基板を含む積層集成体であって、少なくとも二つの基板の間に、前記集成体が、(i)60〜85重量%のL構造単位と15〜40重量%のD構造単位を含むか又は60〜85重量%のD構造単位と15〜40重量%のL構造単位を含むベースポリ乳酸(PLA)ポリマーと、(ii)可塑剤との混合物を含む衝撃及び引裂抵抗性ポリマー材料の少なくとも一つの挿入フィルムを含み、可塑剤の含有量がポリマー材料の全重量に対して10〜40重量%の範囲である、積層集成体。
- 可塑剤が請求項1〜4のいずれかに記載のものである、請求項11に記載の積層集成体。
- ベースPLAが請求項6〜8のいずれかに記載のものである、請求項11又は12に記載の積層集成体。
- ポリマー材料の挿入フィルムが、好ましくは珪藻土及び脂肪酸アミド、特にエルカ酸アミドから選択されるブロッキング防止剤を含む、請求項11〜13のいずれかに記載の積層集成体。
- 少なくとも一つの基板がガラス基板である、請求項11〜14のいずれかに記載の積層集成体。
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EP11188045.6 | 2011-11-07 | ||
EP11188045 | 2011-11-07 | ||
PCT/EP2012/060732 WO2012175338A1 (fr) | 2011-06-23 | 2012-06-06 | Materiau polymere a base de poly(acide lactique) |
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FR2995901B1 (fr) | 2012-09-21 | 2015-08-14 | Inst Corps Gras Etudes Et Rech S Tech Iterg | Nouveaux pre-polymeres biosources et leurs utilisations pour la preparation de polymeres utiles comme additifs dans une matrice poly(acide lactique) |
FR3004188B1 (fr) * | 2013-04-08 | 2016-02-05 | Univ Bordeaux 1 | Utilisation de polymeres comme additifs dans une matrice de polymere |
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CN107955346B (zh) * | 2016-10-16 | 2020-02-11 | 长春工业大学 | 一种聚乳酸增塑复合物制备方法 |
CN107118309A (zh) * | 2017-06-26 | 2017-09-01 | 浙江海轩科技有限公司 | 一种生物可降解聚酯合金及其制备方法 |
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US9969149B2 (en) | 2018-05-15 |
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EA028627B1 (ru) | 2017-12-29 |
JP5960807B2 (ja) | 2016-08-02 |
BR112013032844B1 (pt) | 2020-12-15 |
EP2723808B1 (fr) | 2019-04-24 |
BR112013032844A2 (pt) | 2017-02-14 |
EA201490114A1 (ru) | 2014-05-30 |
EP2723808A1 (fr) | 2014-04-30 |
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