Surface modification of polylactic acid (PLA) by air atmospheric …
2014年9月1日 · Regarding the study of the polylactic acid surface activity, the study using FTIR and XPS shows that there is an insertion of polar groups in the PLA surface. The greater …
Modification of polylactic acid (PLA) surfaces by argon DBD …
We investigated the influence of argon DBD plasma jet treatment on the surface chemical composition of polylactic acid (PLA). The surface has been analyzed by x-ray photoelectron …
XPS survey scan spectra for polylactic acid (PLA) (a) and …
Fourier transform infrared spectroscopy was used to confirm the polymerization of lactide onto the silica surface, and thermogravimetric analysis determined that PLA constituted 5.9% and 7.5% …
The aging behavior of degradable plastic polylactic acid under the ...
2024年4月9日 · XPS analysis revealed PLA underwent aging due to the cleavage of the ester bond (O–C=O), resulting in the addition of C=O and C–O. The aging process of PLA was …
X-ray photoelectron spectroscopy (XPS) spectra of PLA samples.
The XPS spectrum for the untreated PLA reveals two main contributions corresponding to C1s at ~285 eV and O1s at ~530 eV, attributable to the PLA's chemical composition, distinguished by …
PLA-PMMA blends: A study by XPS and ToF-SIMS - ScienceDirect
2006年7月30日 · In order to assess the composition of the mixtures, we studied first different poly (l -lactide)/polymethylmethacrylate (PLA/PMMA) blends by X-ray photoelectron spectroscopy …
The XPS spectra of carbon C1s of PLA microspheres, a untreated and b ...
Polylactic acid (PLA) is a synthetic polyester recognized for good biocompatibility and characterized by thermoplasticity and suitable mechanical properties, including...
Improving physio-mechanical and biological properties of 3D-printed PLA ...
2023年8月29日 · High-resolution XPS analysis was used to compare the untreated and in-situ plasma-treated PLA scaffolds from the chemical state point of view, and the obtained results …
<br>环境因素相互作用下可降解塑料聚乳酸的老化行 …
本研究采用响应面法（RSM）研究温度、光照和湿度对聚乳酸（PLA）老化特性的影响。 主要评估指标包括 C/O 比、官能团、结晶度、表面形貌和机械性能。
Low-temperature plasma treatment of polylactic acid and PLA/HA ...
2019年5月28日 · The XPS data show that the basic chemical composition of plasma-treated PLA is preserved, with no new bonds formed (Fig. 2); however, redistribution of the ratio of the …
Surface modification of polylactic acid by ion, electron beams and …
2022年1月3日 · The XPS results indicate [56] that implanted silver is in a metallic state in the PLA surface layer. The reduction of doubly charged silver ions (Ag 2+) can be explained by the …
PLA和PLGA薄膜的表面特性,Applied Surface Science - X-MOL
在聚（d，l-丙交酯）（DLPLA）的情况下，观察到甲基侧基的表面偏析和表面重组受聚合物膜厚度的影响。 这一结果已被 X 射线光电子能谱 (XPS) 证实。 同样，PLGA 厚膜的特征还在于甲基 …
X射线光电子能谱 (XPS)谱图分析 - 知乎
最强的光电子线常常是谱图中强度最大、峰宽最小、对称性最好的谱峰，称为XPS谱图中的主线。 每一种元素 (H和He除外)都有自己最强的、具有表征作用的光电子线，它是元素定性分析的主 …
3D‐printed PLA/PMMA polymer composites: A consolidated …
2024年6月15日 · This research article focused on the blending of poly (lactic acid)/poly (methyl methacrylate) (PLA/PMMA) polymer materials to overcome PLA's inherent weaknesses, such …
Quantitative XPS depth profiling of codeine loaded poly
2009年8月19日 · We present the first X-ray photoelectron spectroscopy (XPS) depth profiling study of such a drug eluting stent system for which we employ a novel coronene ion sputter …
聚乳酸（PLA）性能全分析 - 知乎
PLA材料的热稳定性与PVC相当，但比PP、PE及PS等低，加工温度一般控制在 170~230℃之间，适用于注射、拉伸、挤出、吹塑、3D打印等加工工艺。 在实际加工过程中，PLA结晶速率 …
A facile design of EGF conjugated PLA/gelatin electrospun nanofibers ...
2020年12月13日 · In this study, a mixture of poly (lactic acid) (PLA)/gelatin (GEL) conjugated epidermal growth factor (EGF) electrospun nanofiber scaffolds, which may have potential …
PLA-PMMA blends: A study by XPS and ToF-SIMS - NASA/ADS
In order to assess the composition of the mixtures, we studied first different poly ( L-lactide)/polymethylmethacrylate (PLA/PMMA) blends by X-ray photoelectron spectroscopy …
Biodegradation Behavior of Poly(Butylene Adipate-Co …
2020年8月29日 · Poly (butylene adipate-co-terephthalate) (PBAT) and poly (lactic acid) (PLA) are well-known biodegadable polyesters due to their outstanding performance. The …