✦ LIBER ✦

Studies of UV crosslinked poly(N-vinylpyrrolidone) hydrogels by FTIR, Raman and solid-state NMR spectroscopies

✍ Scribed by Xingfeng Zhu; Ping Lu; Wei Chen; Jian Dong

Publisher: Elsevier Science
Year: 2010
Tongue: English
Weight: 579 KB
Volume: 51
Category: Article
ISSN: 0032-3861
DOI: 10.1016/j.polymer.2010.05.006

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Studies of UV crosslinked poly(N-vinylpy

Studies of UV crosslinked poly(N-vinylpyrrolidone) hydrogels by FTIR, Raman and solid-state NMR spectroscopies

✍ Xingfeng Zhu; Ping Lu; Wei Chen; Jian Dong 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 579 KB

a b s t r a c t Poly(N-vinylpyrrolidone) (PVP) hydrogels have become increasingly important materials for pharmaceutical and biomedical applications. UV-light initiated oxidative crosslinking of PVP represents a novel method for producing PVP based hydrogel materials. However, the mechanism of the g

Variability of cork from Portuguese Quer

Variability of cork from Portuguese Quercus suber studied by solid-state 13C-NMR and FTIR spectroscopies

✍ M. H. Lopes; A. S. Barros; C. Pascoal Neto; D. Rutledge; I. Delgadillo; A. M. Gi 📂 Article 📅 2001 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 199 KB 👁 2 views

## Abstract A new approach is presented for the study of the variability of Portuguese reproduction cork using solid‐state ^13^C‐NMR spectroscopy and photoacoustic (PAS) FTIR (FTIR‐PAS) spectroscopy combined with chemometrics. Cork samples were collected from 12 different geographical sites, and th

Study of Uniaxially Stretched Isotactic

Study of Uniaxially Stretched Isotactic Poly(propylene) by 1H Solid-State NMR and IR Spectroscopy

✍ Cristian Hedesiu; Dan E. Demco; Klaas Remerie; Bernhard Blümich; Victor M. Litvi 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 296 KB

## Abstract Changes in the amount of the rigid, semi‐rigid and soft fractions, molecular mobility and domain thickness of uniaxially stretched iPP were investigated as a function of temperature, draw ratio, drawing temperature and drawing rate. Correlations are established between the thicknesses o

Structure and Ionic Interactions of Orga

Structure and Ionic Interactions of Organic–Inorganic Composite Polymer Electrolytes Studied by Solid-State NMR and Raman Spectroscopy

✍ Chan Gyu Joo; Lyudmila M Bronstein; Robert L Karlinsey; Josef W Zwanziger 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 200 KB

Solid-state NMR studies of composite polymer electrolytes are reported. The materials consist of polyethylene oxide and an organic inorganic composite, together with a lithium salt, and are candidates for electrolytes in solid-state lithium ion batteries. Silicon and aluminum MAS and multiple quantu

Structure and mobility of poly (γ-n-alky

Structure and mobility of poly (γ-n-alkyl-L-glutamate)s in the solid and liquid crystalline states as studied by NMR spectroscopy

✍ Takeshi Yamanobe; Hideo Tsukamoto; Yoshiko Uematsu; Isao Ando; Ichitaro Uematsu 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 931 KB

Polymorphism of N,N′′-Diacetylbiuret Stu

Polymorphism of N,N′′-Diacetylbiuret Studied by Solid-State 13C and 15N NMR Spectroscopy, DFT Calculations, and X-ray Diffraction

✍ Sven Macholl; Dieter Lentz; Frank Börner; Gerd Buntkowsky 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 280 KB 👁 2 views

## Abstract The molecular configuration and crystal structure of solid polycrystalline __N__,__N__′′‐diacetylbiuret (DAB), a potential nitrogen‐rich fertilizer, have been analyzed by a combination of solid‐ and liquid‐state NMR spectroscopy, X‐ray diffraction, and DFT calculations. Initially a pure