Segmental Dynamics of Bulk Poly(vinyl acetate)-d3by Solid-State2H NMR: Effect of Small Molecule Plasticizer

2008 ◽  
Vol 41 (24) ◽  
pp. 9837-9845 ◽  
Author(s):  
Rakesh R. Nambiar ◽  
Frank D. Blum
Keyword(s):  
Vinyl Acetate ◽  
Small Molecule ◽  
Segmental Dynamics

Interfacial Interactions and Segmental Dynamics of Poly(vinyl acetate)/Silica Nanocomposites

2015 ◽  
Vol 119 (23) ◽  
pp. 12956-12966 ◽  
Author(s):  
Yu Lin ◽  
Langping Liu ◽  
Gangmin Xu ◽  
Dongge Zhang ◽  
Aiguo Guan ◽  
...  
Keyword(s):  
Vinyl Acetate ◽  
Interfacial Interactions ◽  
Segmental Dynamics ◽  
Silica Nanocomposites

Self-branching in the polymerization of vinyl acetate

1954 ◽  
Vol 221 (1147) ◽  
pp. 437-452 ◽  
Keyword(s):  
Hydrogen Atom ◽  
Vinyl Acetate ◽  
Small Molecule ◽  
Radioactive Isotope ◽  
Average Length ◽  
Polymer Molecule ◽  
Side Chains ◽  
Carbon 14 ◽  
Inactive Monomer ◽  
Number Of Branches

Polyvinylacetate labelled with the radioactive isotope carbon-14 has been used to study the reactions by which side-chains are introduced into polyvinylacetate. It is believed that the first stage in the growth of a branch is the process of ‘transfer to polymer’ in which a growing radical abstracts a hydrogen atom from a polymer molecule so forming a new reactive point along the length of the molecule. Inactive monomer was polymerized in the presence of radioactive polymer and from the product was isolated material consisting of the original active polymer with inactive side-chains grafted on it. It was possible to calculate the number of branches and their average length and also to determine the value for the velocity constant for the process of ‘transfer to polymer’. It was found that the abstraction of a hydrogen atom from a dead polymer molecule by a polyvinylacetate radical occurs at a rate very similar to that with which the radical abstracts a hydrogen atom from a small molecule.

scholarly journals Effect of Silica Nanoparticles on the Local Segmental Dynamics in Poly(vinyl acetate)

2008 ◽  
Vol 41 (4) ◽  
pp. 1289-1296 ◽  
Author(s):  
R. B. Bogoslovov ◽  
C. M. Roland ◽  
A. R. Ellis ◽  
A. M. Randall ◽  
C. G. Robertson
Keyword(s):  
Silica Nanoparticles ◽  
Vinyl Acetate ◽  
Segmental Dynamics

Longer-scale segmental dynamics of amorphous poly(ethylene oxide)/poly(vinyl acetate) blends in the softening dispersion

Soft Matter ◽  
2011 ◽  
Vol 7 (2) ◽  
pp. 579-586 ◽  
Author(s):  
Xuebang Wu ◽  
Huaguang Wang ◽  
Changsong Liu ◽  
Zhengang Zhu
Keyword(s):  
Ethylene Oxide ◽  
Vinyl Acetate ◽  
Segmental Dynamics ◽  
Poly Ethylene Oxide ◽  
Poly Ethylene

A privileged ternary blend enabling non-fullerene organic photovoltaics with over 14% efficiency

2020 ◽  
Vol 8 (43) ◽  
pp. 15135-15141
Author(s):  
Jing Yan ◽  
Yuan-Qiu-Qiang Yi ◽  
Jianqi Zhang ◽  
Huanran Feng ◽  
Yanfeng Ma ◽  
...  
Keyword(s):  
Small Molecule ◽  
Organic Photovoltaics ◽  
Power Conversion ◽  
Ternary Blend ◽  
Conversion Efficiencies

Two non-fullerene small molecule acceptors, NT-4F and NT-4Cl, were designed and synthesized. Power conversion efficiencies of 11.44% and 14.55% were achieved for NT-4Cl-based binary and ternary devices, respectively.

The small-molecule antibiotics pipeline: 2014–2018

2019 ◽  
Vol 18 (10) ◽  
pp. 739-739 ◽  
Author(s):  
Cara Lepore ◽  
Lynn Silver ◽  
Ursula Theuretzbacher ◽  
Joe Thomas ◽  
David Visi
Keyword(s):  
Small Molecule

Anisotropic forces in small molecule crystals

1985 ◽  
Vol 82 ◽  
pp. 91-97 ◽  
Author(s):  
H. Bonadeo ◽  
E. Burgos
Keyword(s):  
Small Molecule

P157 FBXO3-FBXL2 AXIS MODULATORS AS A NOVEL CLASS OF ORAL SMALL MOLECULE COMPOUNDS FOR THE TREATMENT OF CROHN’S DISEASE

2020 ◽  
Vol 158 (3) ◽  
pp. S9-S10
Author(s):  
Franca Angeli ◽  
Russell Wyborski ◽  
Bill Chen ◽  
Rama Mallampalli ◽  
Michael Lark
Keyword(s):  
Crohn’S Disease ◽  
Crohn's Disease ◽  
Small Molecule
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