CuFe2O4@PDA magnetic nanomaterials with a core–shell structure: synthesis and catalytic application in the degradation of methylene blue in water

RSC Advances ◽  
2015 ◽  
Vol 5 (66) ◽  
pp. 53514-53523 ◽  
Author(s):  
Su-dai Ma ◽  
Jie Feng ◽  
Wen-jie Qin ◽  
Yu-yun Ju ◽  
Xing-guo Chen
Keyword(s):  
Methylene Blue ◽  
Shell Structure ◽  
Magnetic Nanomaterials ◽  
Core Shell ◽  
Highly Efficient ◽  
Catalytic Application ◽  
Structure Synthesis ◽  
Core Shell Structure

A highly efficient CuFe2O4@PDA MNPs catalyst was synthesized through in situ self-polymerization and application in the degradation of methylene blue.

Synthesis and catalytic application of alumina@SAPO-11 composite via the in situ assembly of silicoaluminophosphate nanoclusters at an alumina substrate

2018 ◽  
Vol 8 (16) ◽  
pp. 4209-4218 ◽  
Author(s):  
Ping Zhang ◽  
Haiyan Liu ◽  
Haibo Zhu ◽  
S. Ted Oyama ◽  
Xiaojun Bao
Keyword(s):  
Shell Structure ◽  
Alumina Substrate ◽  
Core Shell ◽  
Catalytic Application ◽  
Core Shell Structure

An alumina@SAPO-11 composite with a core–shell structure has been synthesized via the in situ assembly and crystallization of silicoaluminophosphate nanoclusters.

scholarly journals In Situ Synthesis of Core-Shell-Structured SiCp Reinforcements in Aluminium Matrix Composites by Powder Metallurgy

Metals ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 1201
Author(s):  
Xinghua Ji ◽  
Cheng Zhang ◽  
Shufeng Li
Keyword(s):  
Particle Size ◽  
Powder Metallurgy ◽  
Shell Structure ◽  
Ex Situ ◽  
Aluminium Matrix ◽  
Core Shell ◽  
Matrix Composites ◽  
Aluminium Matrix Composites ◽  
Core Shell Structure

SiCp reinforced aluminium matrix composites (AMCs), which are widely used in the aerospace, automotive, and electronic packaging fields along with others, are usually prepared by ex situ techniques. However, interfacial contamination and poor wettability of the ex situ techniques make further improvement in their comprehensive performance difficult. In this paper, SiCp reinforced AMCs with theoretical volume fractions of 15, 20, and 30% are prepared by powder metallurgy and in situ reaction via an Al-Si-C system. Moreover, a combined method of external addition and an in situ method is used to investigate the synergistic effect of ex situ and in situ SiCp on AMCs. SiC particles can be formed by an indirect reaction: 4Al + 3C → Al4C3 and Al4C3 + 3Si → 3SiC + 4Al. This reaction is mainly through the diffusion of Si, in which Si diffuses around Al4C3 and then reacts with Al4C3 to form SiCp. The in situ SiC particles have a smooth boundary, and the particle size is approximately 1–3 μm. A core-shell structure having good bonding with an aluminium matrix was generated, which consists of an ex situ SiC core and an in situ SiC shell with a thickness of 1–5 μm. The yield strength and ultimate tensile strength of in situ SiCp reinforced AMCs can be significantly increased with a constant ductility by adding 5% ex situ SiCp for Al-28Si-7C. The graphite particle size has a significant effect on the properties of the alloy. A criterion to determine whether Al4C3 is a complete reaction is achieved, and the forming mechanism of the core-shell structure is analysed.

Research of In Situ Polymerization and Core-Shell Structure Modified Emulsified Asphalt

2011 ◽  
Vol 71-78 ◽  
pp. 928-931
Author(s):  
Jin Liang Wu ◽  
Yong Xing Zhang ◽  
Chun Sun Zhang
Keyword(s):  
Shell Structure ◽  
In Situ Polymerization ◽  
Core Shell ◽  
Asphalt Emulsion ◽  
Sound Effect ◽  
Structure And Property ◽  
Modified Asphalt ◽  
Core Shell Structure ◽  
Emulsified Asphalt

Nowadays, there are dominantly two ways of producing modified emulsified asphalt ,one of which is to emulsify modified asphalt, the other to modify asphalt emulsion. But they have the same defect that modifier cannot be evenly mixed with asphalt emulsion, which has side effect on the performance of modified emulsified asphalt. The emulsified asphalt and modifier have different traits in structure and property. In order to make the modifier disperse in asphalt emulsion evenly to improve the performance of modified emulsified asphalt, a tentative idea is brought forward: we shall utilize in-situ polymerization and core-shell structure to enhance feature of emulsified asphalt. Core-shell structure is a method of synthesizing composite material, which can assist to achieve sound effect of the two kinds of materials. The point to emphasize is, in this paper, the introduction and feasibility of the method, its specialty against current mainly methods, the difficulties encountered in practice as well as its promising prospect and the anticipated target to achieve will all be illustrated.

In situ fabricated metal-carbide with core–shell structure for high impact-toughness iron-matrix composite

2019 ◽  
Vol 35 (14) ◽  
pp. 1727-1734
Author(s):  
Lisheng Zhong ◽  
Haiqiang Bai ◽  
Junzhe Wei ◽  
Jianlei Zhu ◽  
Jianhong Peng ◽  
...  
Keyword(s):  
Impact Toughness ◽  
Matrix Composite ◽  
Shell Structure ◽  
High Impact ◽  
Core Shell ◽  
Metal Carbide ◽  
Iron Matrix ◽  
Fabricated Metal ◽  
Core Shell Structure

Novel conductive core–shell particles of elastomeric nanoparticles coated with polypyrrole

RSC Advances ◽  
2015 ◽  
Vol 5 (120) ◽  
pp. 98904-98909 ◽  
Author(s):  
Jiangru Zhang ◽  
Guicun Qi ◽  
Xiang Wang ◽  
Binghai Li ◽  
Zhihai Song ◽  
...  
Keyword(s):  
Shell Structure ◽  
Oxidative Polymerization ◽  
Core Shell ◽  
Conductive Particle ◽  
Core Shell Structure ◽  
Shell Particles ◽  
First Time

For the first time, an ultrafine conductive particle with core–shell structure, acrylonitrile-butadiene elastomeric nanoparticle (NBR-ENP) coated with polypyrrole (PPy), was prepared by in situ oxidative polymerization.

Spherical Zn2SiO4:Eu3+@SiO2 phosphor particles in core–shell structure: Synthesis and characterization

2010 ◽  
Vol 130 (10) ◽  
pp. 1768-1773 ◽  
Author(s):  
Yang Wu ◽  
Yongsheng Wang ◽  
Dawei He ◽  
Ming Fu ◽  
Zhenmin Chen ◽  
...  
Keyword(s):  
Shell Structure ◽  
Synthesis And Characterization ◽  
Core Shell ◽  
Structure Synthesis ◽  
Core Shell Structure
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