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碳纳米管和梯型聚倍半硅氧烷改性聚乳酸非织造布。

Modification of Polylactide Nonwovens with Carbon Nanotubes and Ladder Poly(silsesquioxane).

机构信息

Centre of Molecular and Macromolecular Studies Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lodz, Poland.

出版信息

Molecules. 2021 Mar 3;26(5):1353. doi: 10.3390/molecules26051353.

DOI:10.3390/molecules26051353
PMID:33802604
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7961909/
Abstract

Electrospun nonwovens of poly(L-lactide) (PLLA) modified with multiwall carbon nanotubes (MWCNT) and linear ladder-like poly(silsesquioxane) with methoxycarbonyl side groups (LPSQ-COOMe) were obtained. MWCNT and LPSQ-COOMe were added to the polymer solution before the electrospinning. In addition, nonwovens of PLLA grafted to modified MWCNT were electrospun. All modified nonwovens exhibited higher tensile strength than the neat PLA nonwoven. The addition of 10 wt.% of LPSQ-COOMe and 0.1 wt.% of MWCNT to PLLA increased the tensile strength of the nonwovens 2.4 times, improving also the elongation at the maximum stress.

摘要

聚（L-丙交酯）（PLLA）的电纺非织造布经多壁碳纳米管（MWCNT）和带有甲氧基羰基侧基的线性梯型聚（硅倍半氧烷）（LPSQ-COOMe）改性后得到。MWCNT 和 LPSQ-COOMe 在静电纺丝前加入到聚合物溶液中。此外，还对接枝到改性 MWCNT 的 PLLA 进行了静电纺丝。所有改性的非织造布的拉伸强度均高于纯 PLA 非织造布。在 PLLA 中添加 10wt%的 LPSQ-COOMe 和 0.1wt%的 MWCNT 可使非织造布的拉伸强度提高 2.4 倍，同时也提高了最大应力下的伸长率。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a59/7961909/0489616685f4/molecules-26-01353-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a59/7961909/717b768f37c0/molecules-26-01353-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a59/7961909/473671113a01/molecules-26-01353-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a59/7961909/c30c230a1a8d/molecules-26-01353-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a59/7961909/69be0823dd9f/molecules-26-01353-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a59/7961909/0489616685f4/molecules-26-01353-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a59/7961909/717b768f37c0/molecules-26-01353-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a59/7961909/473671113a01/molecules-26-01353-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a59/7961909/c30c230a1a8d/molecules-26-01353-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a59/7961909/69be0823dd9f/molecules-26-01353-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a59/7961909/0489616685f4/molecules-26-01353-g005.jpg

相似文献

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Modification of Polylactide Nonwovens with Carbon Nanotubes and Ladder Poly(silsesquioxane).

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[2]
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[6]
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引用本文的文献

[1]
Polylactide-Based Materials: Synthesis and Biomedical Applications.

Molecules. 2023-2-1

[2]
Biomaterials for Soft Tissue Repair and Regeneration: A Focus on Italian Research in the Field.

Pharmaceutics. 2021-8-26

[3]
Phase Structure and Properties of Ternary Polylactide/Poly(methyl methacrylate)/Polysilsesquioxane Blends.

Polymers (Basel). 2021-3-26

本文引用的文献

[1]
Super tough poly(lactic acid) blends: a comprehensive review.

RSC Adv. 2020-4-1

[2]
Degradation of Plasticized PLA Electrospun Fiber Mats: Morphological, Thermal and Crystalline Evolution.

Polymers (Basel). 2020-12-13

[3]
Electrospinning of Cellulose Nanocrystal-Reinforced Polyurethane Fibrous Mats.

Polymers (Basel). 2020-5-1

[4]
PLA/β-CD-based fibres loaded with quercetin as potential antibacterial dressing materials.

Colloids Surf B Biointerfaces. 2020-6

[5]
Electrospun Functional Materials toward Food Packaging Applications: A Review.

Nanomaterials (Basel). 2020-1-15

[6]
Bio-based polymer nanofiber with siliceous sponge spicules prepared by electrospinning: Preparation, characterisation, and functionalisation.

Mater Sci Eng C Mater Biol Appl. 2019-11-28

[7]
Effect of hydroxyapatite concentration and size on morpho-mechanical properties of PLA-based randomly oriented and aligned electrospun nanofibrous mats.

J Mech Behav Biomed Mater. 2020-1

[8]
Carbon Nanotube Assembly and Integration for Applications.

Nanoscale Res Lett. 2019-7-1

[9]
Novel Electrospun Polylactic Acid Nanocomposite Fiber Mats with Hybrid Graphene Oxide and Nanohydroxyapatite Reinforcements Having Enhanced Biocompatibility.

Polymers (Basel). 2016-8-8

[10]
Poly(lactic acid) Composites Containing Carbon-Based Nanomaterials: A Review.

Polymers (Basel). 2017-7-6

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