scholarly journals Effects of added carbon black on synthesis and characterization of calcium aluminate electride

2020 ◽  
Author(s):  
U. Khopongpaiboon ◽  
W. Jarernboon ◽  
V. Amornkitbamrung ◽  
B. Na Lampang ◽  
S. Sinthupinyo ◽  
...  
Keyword(s):  
Carbon Black ◽  
Calcium Aluminate ◽  
Synthesis And Characterization

Preparation of a nanostructured organoceramic and its reversible interlayer expansion

1999 ◽  
Vol 14 (2) ◽  
pp. 315-318 ◽  
Author(s):  
Phillip B. Messersmith ◽  
Paul Osenar ◽  
Samuel I. Stupp
Keyword(s):  
Calcium Aluminate ◽  
Inorganic Ions ◽  
Interlayer Spacing ◽  
Organic Polymer ◽  
Synthesis And Characterization ◽  
Poly Vinyl Alcohol ◽  
Phase Synthesis ◽  
Nanostructured Composite ◽  
Hydrated Calcium

We described previously the liquid phase synthesis and characterization of a nanostructured composite from an aqueous solution containing organic polymer and inorganic ions [J. Mater. Res. 7, 2599 (1992)]. The nanocomposite, termed an organoceramic, consisted of poly(vinyl alcohol) chains intercalated between the principal layers of a hydrated calcium aluminate ceramic. A key structural feature of the organoceramic is the polymer-induced expansion of the interlayer spacing by approximately 10 Å compared to the unmodified ceramic. In this paper, we describe the synthetic scheme that favors organoceramic formation and prove the existence of intercalated polymer by observation of reversible interlayer expansion and contraction in response to changes in ambient humidity. This property is unique to the organoceramic and is not observed in the unmodified calcium aluminate ceramic.

Engineering Regioselectivity in the Hydrosilylation of Alkynes using Heterobimetallic Dual-Functional Hybrid Catalysts

2021 ◽  
Author(s):  
Max Roemer ◽  
Sinead Teresa Keaveney ◽  
Vinicius Romero Gonçales ◽  
Jiaxin Lian ◽  
James Downes ◽  
...  
Keyword(s):  
Carbon Black ◽  
Synthesis And Characterization ◽  
Hybrid Catalysts ◽  
Dual Functional ◽  
Heterobimetallic Catalysts

The synthesis and characterization of carbon black supported rhodium and iridium heterobimetallic catalysts, termed hybrid catalysts, and their application in the hydrosilylation of alkynes is described. An aryl diazonium grafting...

Chemical Synthesis and Characterization of Calcium Aluminate Powders

1994 ◽  
Vol 77 (2) ◽  
pp. 531-539 ◽  
Author(s):  
Mehmet A. Gulgun ◽  
Oludele O. Popoola ◽  
Waltraud M. Kriven
Keyword(s):  
Chemical Synthesis ◽  
Calcium Aluminate ◽  
Synthesis And Characterization
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