NDLI: Characteristics and properties of SiO$_{2}$-Al$_{2}$O$

Content Provider	Springer Nature Link
Author	Chen, Yu fei Dai, Qi wang Lin, Cai wei Feng, Tao
Copyright Year	2014
Abstract	SiO$_{2}$-Al$_{2}$O$_{3}$/EP-PU nanocomposites, which contained polyurethane (PU) flexible chain, were prepared via epoxy resin, PU and modified silica and alumina particles. Silica and alumina particles were modified by coupling agents KH-560 and KH550, respectively. EP-PU was used as matrix, PU as toughening agent, SiO$_{2}$-Al$_{2}$O$_{3}$ as filled and MTHPA as curing agent. The mass ratio of PU was 30% in this system. The chemical structure of the products was confirmed by FT-IR measurements, the morphological structure of fracture surface and the surface of the hybrid materials were observed by scanning electron microscope (SEM) and transmission electron microscope (TEM), and shearing strength and breakdown field were measured, respectively. When the mass fraction of inorganic component was 10% and the mass ratio of SiO$_{2}$ to Al$_{2}$O$_{3}$ was 4.5:5.5, shearing strength of SiO$_{2}$-Al$_{2}$O$_{3}$/EP-PU was 28.5 MPa and breakdown field was 15 kV/mm, the data could meet the property requirement of insulating material.
Starting Page	4076
Ending Page	4083
Page Count	8
File Format	PDF
ISSN	20952899
Journal	Journal of Central South University of Technology
Volume Number	21
Issue Number	11
e-ISSN	22275223
Language	English
Publisher	Central South University
Publisher Date	2014-11-15
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	nano-SiO$_{2}$ nano-Al$_{2}$O$_{3}$ epoxy resin polyurethane property Engineering Metallic Materials
Content Type	Text
Resource Type	Article
Subject	Metals and Alloys Engineering

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