Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/21286
Title: Effects of processing conditions of poly(methylmethacrylate) encapsulated liquid curing agent on the properties of self-healing composites
Authors: Li, Q
Mishra, AK
Kim, NH
Kuila, T
Lau, KT 
Lee, JH
Issue Date: 2013
Source: Composites. Part B, Engineering, 2013, v. 49, p. 6-15
Abstract: A series of microcapsules were prepared by solvent evaporation technique using liquid curing agent, polyetheramine as the core material and poly(methylmethacrylate) as the shell material. The desired morphology, shell wall thickness, curing agent content, and size distribution of microcapsules have been obtained by fine tuning the processing conditions such as reaction temperature, core-shell weight ratio, agitation speed, and emulsifier concentration in the medium. The resulting microcapsules exhibit excellent thermal and curing agent storage stability. Maximum healing efficiency of 93.50% has been obtained with 15 wt.% epoxy containing microcapsules. The microcapsules containing liquid curing agent can efficiently be utilized for the fabrication of epoxy-based self-healing composites.
Keywords: Thermosetting resin
Mechanical properties
Thermal analysis
Cure
Publisher: Pergamon Press
Journal: Composites. Part B, Engineering 
ISSN: 1359-8368
EISSN: 1879-1069
DOI: 10.1016/j.compositesb.2013.01.011
Appears in Collections:Journal/Magazine Article

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