Improving the barrier character of poly(caprolactone): Transport properties and free volume of immiscible blends

Eceolaza Sorkunde; Sangroniz Ainara; del Rio Javier; Iriarte Marian; Etxeberria Agustin

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Improving the barrier character of poly(caprolactone): Transport properties and free volume of immiscible blends

机译：改善聚（己内酮）的阻隔特性：运输性质和空闲体积不混溶的共混物

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In this work, the barrier character of poly(caprolactone) is improved with the addition of a poly(hydroxy amino ether). The analysis by means of thermal, thermomechanical, and morphology characterization reveals that the blends are partially miscible. The characterization of the morphology has revealed that the blends show a droplet matrix morphology. The free volume of the samples has been characterized by positron annihilation lifetime spectroscopy observing a decrease in the free volume as the poly(hydroxyamino ether) (PHAE) content increases. The barrier character to water vapor and carbon dioxide is greatly improved with the addition of PHAE. However, the observed improvement does not arise only from the reduced free volume, playing the interactions between penetrants and polymers a major role. Overall, this work aims to provide a further insight on the factors affecting the improvement of the barrier character of biodegradable polymers, which would allow developing new materials for packaging applications. (c) 2019 Wiley Periodicals, Inc.

机译：在这项工作中，通过添加聚（羟基氨基醚）来改善聚（己内酯）的阻隔性。通过热，热机械和形态学表征的分析表明，共混物是部分混溶的。形态学的表征揭示了混合物显示出液滴基质形态。样品的自由体积已经表征，其正电子湮没寿命光谱观察自由体积的降低作为聚（羟氨基醚）（PHAE）含量增加。通过添加Phae，大大提高了水蒸气和二氧化碳的屏障字符。然而，观察到的改善不会因自由量减少而产生，播放渗透剂和聚合物之间的相互作用是主要作用。总体而言，这项工作旨在进一步了解影响可生物降解聚合物的屏障特征的因素的因素，这将允许开发用于包装应用的新材料。（c）2019 Wiley期刊，Inc。

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《Journal of Applied Polymer Science》 |2019年第40期|共11页
作者
Eceolaza Sorkunde; Sangroniz Ainara; del Rio Javier; Iriarte Marian; Etxeberria Agustin;
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Univ Basque Country UPV EHU POLYMAT Dept Polymer Sci &

Technol M Lardizabal 3 Donostia San Sebastian 20018 Spain;

Univ Basque Country UPV EHU POLYMAT Dept Polymer Sci &

Technol M Lardizabal 3 Donostia San Sebastian 20018 Spain;

Univ Complutense Madrid Dept Mat Phys Ciudad Univ S-N Madrid 28040 Spain;

Univ Basque Country UPV EHU POLYMAT Dept Polymer Sci &

Technol M Lardizabal 3 Donostia San Sebastian 20018 Spain;

Univ Basque Country UPV EHU POLYMAT Dept Polymer Sci &

Technol M Lardizabal 3 Donostia San Sebastian 20018 Spain;

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正文语种 eng
中图分类高分子化合物工业（高聚物工业）;
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1. Improving the barrier character of poly(caprolactone): Transport properties and free volume of immiscible blends [J] . Eceolaza Sorkunde, Sangroniz Ainara, del Rio Javier, Journal of Applied Polymer Science . 2019,第39a40期

机译：改善聚（己内酮）的阻隔特性：运输性质和空闲体积不混溶的共混物
2. Blends based on biodegradable poly(caprolactone) with outstanding barrier properties for packaging applications: The role of free volume and interactions [J] . Angeles Corres Maria, Mayor Alvaro, Sangroniz Ainara, European Polymer Journal . 2020,第1期

机译：基于可生物降解的聚（己内酯）的混合物，具有出色的屏障性能用于包装应用：自由体积和相互作用的作用
3. Oxygen barrier, free volume, and blending properties of fully bio-based polyamide 11/poly(vinyl alcohol) blends [J] . Huang Ya-qiong, Dai Dan-dan, Li Hong-bo, Journal of Applied Polymer Science . 2020,第15a16期

机译：全生物基聚酰胺11 /聚（乙烯醇）共混物的氧气屏障，自由体积和混合性能
4. Free Volume and Transport Properties of Barrier and Membrane Polymers [C] . B.D.Freeman, Anita, J.Hill National meeting of the American Chemical Society . 1998

机译：屏障和膜聚合物的自由体积和传输性质
5. Reactive extrusion of epsilon-caprolactone polymers and application of poly(lauryl lactam-b-caprolactone) as a compatibilizing agent in blends containing poly(vinyl chloride). [D] . Kim, Byong Jun. 2002

机译：ε-己内酯聚合物的反应挤出和聚（十二烷基内酰胺-b-己内酯）作为增容剂在含聚氯乙烯的混合物中的应用。
6. Manufacturing and Properties of Binary Blend from Bacterial Polyester Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) and Poly(caprolactone) with Improved Toughness [O] . Juan Ivorra-Martinez, Isabel Verdu, Octavio Fenollar, 2020

机译：具有改善的韧性的细菌聚酯聚3-羟基丁酸酯-co-3-羟基己酸酯和聚己内酯二元共混物的制备和性能
7. Manufacturing and Properties of Binary Blend from Bacterial Polyester Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) and Poly(caprolactone) with Improved Toughness [O] . Juan Ivorra-Martinez, Isabel Verdu, Octavio Fenollar, 2020

机译：从细菌聚酯聚酯（3-羟基丁酸酯-CO-3-羟基己酸酯）和聚（己内酮）的二元混合物的制造与性质，具有改进的韧性
8. Small-Angle X-Ray and Light Scattering Studies of the Morphology of Blends of Poly (Epsilon-Caprolactone) with Poly(vinyl Chloride). [R] . Khambatta, F. B., Warner, F., Russell, T., 1975

机译：聚（ε-己内酯）与聚氯乙烯共混物形态的小角X射线和光散射研究。

Improving the barrier character of poly(caprolactone): Transport properties and free volume of immiscible blends

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