Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Nazar Shawgi"'
Publikováno v:
Ceramics International. 44:9887-9892
Nano spherical particles and rod-like shape B4C synthesized by a solid-state polymerization (SSP) of PVA and BA, and through performing the reaction of their dry mixture under vacuum at (200−250) °C. FTIR analysis shows the presence of (B-O-C) bon
Publikováno v:
Ceramics International. 44:774-778
The aim of the present work is to develop a solid-state reaction-pyrolysis process (SRPP) of poly (vinyl alcohol) PVA and boric acid for the synthesis of boron carbide. PVA and boric acid in a molar ratio of (4:1) were dry-mixed, solid-state reacted
Publikováno v:
Ceramics International. 43:10554-10558
Nano plated and high-purity boron carbide (B 4 C) powder was synthesized via a novel method, based on a solid-state reaction of poly (vinyl alcohol) PVA and boric acid at (200–250) °C in air. The cross-linking between PVA and boric acid was proven
Publikováno v:
Journal of Sol-Gel Science and Technology. 82:450-457
Boric acid solution was dropwise added to poly vinyl alcohol (PVA) solution under a hot condition (80 °C) and stirring. The condensation reaction was controlled by extracting of a white poly vinyl borate (PVBO) gel precursor which formed on the surf
Publikováno v:
Research on Chemical Intermediates. 42:3507-3521
In this work, montmorillonite (MMT), as an anti-settling agent, was added to modified waterborne potassium silicate zinc-rich coating (MWPC), aiming at improving its anti-corrosion performance. Three MMTs were elected for anti-settling agents , inclu
Publikováno v:
Materials Research Express. 6:035007
A single-phase boron carbide with a nano plated morphology was synthesized by a solid-solid-liquid reaction (SSLR) of poly (vinyl alcohol)-boric acid-glycerin. The reaction was conducted through the mixing of the starting materials and heating at (20
Publikováno v:
Chemical Papers.
A heterogeneous polyvinylpolypyrrolidone supported Bronsted acidic catalyst ([PVPP-BS]HSO4) was used to synthesize butyrate in this paper. The prepared catalysts were characterized by FT-IR, TG, and FESEM and their catalytic activity in butyric acid
Publikováno v:
Materials Research Express; Mar2019, Vol. 6 Issue 3, p1-1, 1p