Characterization and physiochemical studies of crosslinked thiolated ...
2013年6月4日 · The crosslinked thiolated PVA (TPVA) hydrogels were characterized by thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), X-ray diffraction …
Functionally Graded Bioactive Composites Based on Poly(vinyl …
2022年8月15日 · In this study, we report the design and development of a FGM based on thiolated poly (vinyl alcohol) (TPVA) and nano-hydroxyapatite (nano-HA) with graded …
The XRD patterns of PVA (A) and TPVA (B). - ResearchGate
XRD analysis showed that the degree of crystallinity of the PVA/IL composites had a decreasing trend with an increase of IL. TGA showed that IL could effectively improve the thermal stability …
XRD spectra of poly (vinyl alcohol) (PVA), thiolated poly (vinyl ...
Download scientific diagram | XRD spectra of poly(vinyl alcohol) (PVA), thiolated poly(vinyl alcohol) (TPVA), and thiolated PVA-HA composite (TPVA-HA). from publication: Functionally …
Fast gelling and non-swellable photopolymerized poly (vinyl …
2020年7月5日 · Specifically, the thiol-terminated PVA (TPVA) precursor together with methacrylated PVA has been chosen to form thiol-acrylate PVA hydrogels by the …
Properties and Structure of Thermoplastic Polyvinyl …
Transmission-FTIR spectra of PVA and TPVA were recorded using a spectrometer (Nicolet iS50, Thermo Fisher Scientific, Shanghai, China) in the spectral range from 400 to 4000 cm −1 …
X-ray Diffraction Analysis of Poly(vinyl alcohol) Hydrogels, …
2004年2月10日 · The structure of physical poly (vinyl alcohol) (PVA) hydrogels prepared by subjecting a PVA/D 2 O solution (11% w/w PVA) to freeze (−22 °C)/thaw (+25 °C) cycles has …
交联硫醇化聚乙烯醇水凝胶的表征和理化研究,Polymer Bulletin - X …
2013年6月4日 · 交联的硫醇化 PVA (TPVA) 水凝胶通过热重分析 (TGA)、差示扫描量热法 (DSC)、X 射线衍射 (XRD) 和傅里叶变换红外光谱结合热分析 (TG-FTIR) 技术进行表征。 所得材料的交 …
双向拉伸条件对部分醇解热塑性聚乙烯醇氧气阻隔薄膜性能的影响
2024年12月12日 · 结合xrd和dsc分析结果可知，双向拉伸使tpva分子链的聚集态结构发生变化，结构规整性和分子链堆积密度增加，结晶度和平均晶粒尺寸随之增大，从而使氧气在薄膜中的扩 …
XRD pattern for pure PVA solid film. - ResearchGate
The broad peaks observed in the XRD pattern around 10° of 2θ indicate the average intermolecular distance of the amorphous part, and small peaks are centered at around 20° of …