Results 261 to 270 of about 1,052,861 (299)

Study of the miscibility of poly(vinyl pyridines) with poly(vinyl acetate), poly(vinyl alcohol) and their copolymers

Journal of Polymer Science Part B: Polymer Physics, 1994
AbstractMiscibility of poly(4‐vinyl pyridine) (P4VP) and poly(2‐vinyl pyridine) (P2VP) with poly(viny acetate) (PVAc), poly(vinyl alcohol) PVA and poly(vinyl acetate‐co‐alcohol) (ACA copolymers) has been investigated over a wide composition range. Differentiaal scanning calorimetry (DSC) results indicate that P2VP is immiscible with PVAC, PVA, and ...
L. C. Cesteros, J. R. Isasi, Issa Katime
openaire   +1 more source

Characterization of poly(vinyl alcohol) during the emulsion polymerization of vinyl acetate using poly(vinyl alcohol) as emulsifier

Journal of Polymer Science Part A: Polymer Chemistry, 1996
During the emulsion polymerization of vinyl acetate (VAc) using poly(vinyl alcohol) (PVA) as stabilizer and potassium persulfate as initiator, the VAc reacts with PVA forming PVA-graft-PVAc. When the grafted polymer reaches a critical size it becomes water-insoluble and precipitates from the aqueous phase contributing to the formation of polymer ...
G. S. Magallanes Gonz�lez, V. L. Dimonie, E. D. Sudol, H. J. Yue, A. Klein, M. S. El-Aasser   +5 more
openaire   +1 more source

Poly-Sugar: Modification of Poly(vinyl Alcohol)

Journal of Macromolecular Science: Part A - Chemistry, 1979
Abstract This paper describes the attachment of sugar (sucrose) onto low molecular weight poly(vinyl alcohols) (etherification) to produce a new class of synthetic sweetener. Because of its regulated molecular weight, the new sweetener would pass through the digestive tract and be excreted in its original molecular form. We have termed the new class of
A. M. Usmani, I. O. Salyer
openaire   +1 more source

Characterization of associating hydrogels of poly(vinyl alcohol) and poly(vinyl pyrrolidone)

Journal of Applied Polymer Science, 2009
AbstractIn this study, hydrogels were prepared from blends of poly(vinyl alcohol) (PVA) and poly(vinyl pyrrolidone) (PVP). The miscibility of the polymers was confirmed with differential scanning calorimetry with the appearance of a single glass‐transition temperature.
X. Liu, G. Fussell, M. Marcolongo, A. M. Lowman   +3 more
openaire   +1 more source

Assessment of Toxicity and Biodegradability of Poly(vinyl alcohol)-Based Materials in Marine Water

Polymers, 2021
Ricardo Beiras, Beiras Ricardo
exaly  

Tacticity of poly(vinyl alcohol) and poly(vinyl trifluoroacetate) by NMR

Journal of Polymer Science Part B: Polymer Letters, 1965
Kermit C. Ramey, Nathan D. Field
openaire   +1 more source

NMR spectra of poly(vinyl acetate) and poly(vinyl alcohol)

Journal of Polymer Science Part B: Polymer Letters, 1967
Kermit C. Ramey, David C. Lini
openaire   +1 more source

Fabrication of Hybrid Nanofibers from Biopolymers and Poly (Vinyl Alcohol)/Poly (ε-Caprolactone) for Wound Dressing Applications

Polymers, 2021
Sibusiso Alven, Aderibigbe Blessing Atim, Alven Sibusiso   +2 more
exaly  

Poly(Vinyl Alcohol)

Journal of Chemical Education, 2005
openaire   +1 more source

Poly(Vinyl Alcohol)-Based Nanofibrous Electrospun Scaffolds for Tissue Engineering Applications

Polymers, 2020
Helena Prado Felgueiras, Marta A Teixeira, Teixeira Marta A   +2 more
exaly