Flexible Poly(vinyl chloride) Nanocomposites Reinforced with Hyperbranched Polyglycerol–Functionalized Graphene Oxide for Enhanced Gas Barrier Performance

2017 ◽  
Vol 9 (38) ◽  
pp. 33149-33158 ◽  
Author(s):  
Kyu Won Lee ◽  
Jae Woo Chung ◽  
Seung-Yeop Kwak
Keyword(s):  
Graphene Oxide ◽  
Vinyl Chloride ◽  
Functionalized Graphene ◽  
Gas Barrier ◽  
Functionalized Graphene Oxide ◽  
Poly Vinyl Chloride ◽  
Barrier Performance ◽  
Hyperbranched Polyglycerol

Nanoconfinement effects of chemically reduced graphene oxide nanoribbons on poly(vinyl chloride)

Nanoscale ◽  
2018 ◽  
Vol 10 (4) ◽  
pp. 2025-2033 ◽  
Author(s):  
J. H. Choe ◽  
J. Jeon ◽  
M. E. Lee ◽  
J. J. Wie ◽  
H.-J. Jin ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Vinyl Chloride ◽  
Graphene Nanoribbons ◽  
Functionalized Graphene ◽  
Graphene Oxide Nanoribbons ◽  
Poly Vinyl Chloride ◽  
Reduced Graphene ◽  
Chemically Reduced Graphene Oxide

Highly defective and functionalized graphene nanoribbons cause dramatic densification of the poly(vinyl chloride) host by nanoconfinement effects.

scholarly journals Multisulfonate hyperbranched polyglycerol functionalized graphene oxide as an efficient reusable catalyst for green synthesis of benzo[a]pyrano-[2,3-c]phenazines under solvent-free conditions

RSC Advances ◽  
2019 ◽  
Vol 9 (13) ◽  
pp. 7400-7410 ◽  
Author(s):  
Hossein Naeimi ◽  
Maryam Farahnak Zarabi
Keyword(s):  
Graphene Oxide ◽  
Green Synthesis ◽  
Acid Catalyst ◽  
Solvent Free ◽  
Reusable Catalyst ◽  
Hydroxyl Groups ◽  
Functionalized Graphene ◽  
Functionalized Graphene Oxide ◽  
Solvent Free Conditions ◽  
Hyperbranched Polyglycerol

A novel acid catalyst was prepared based on growing hyperbranched polyglycerol (HPG) on the surface of graphene oxide. Then, the hydroxyl groups of HPG on graphene oxide were functionalized by sulfonate groups to form an acid catalyst.

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