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|標題:||Synthesis, characterization, and properties of novel epoxy resins and cyanate esters||作者:||Lin, C.H.
|關鍵字:||activation energy;crosslinking;curing kinetics;cyanate;epoxy;flame;retardance;glass-transition temperatures;phosphorus-containing diamine;flame-retardant thermosets;curing agent;polymerization;benzoxazine;polyimides;systems;ether||Project:||Journal of Polymer Science Part a-Polymer Chemistry||期刊/報告no：:||Journal of Polymer Science Part a-Polymer Chemistry, Volume 44, Issue 11, Page(s) 3487-3502.||摘要:||
We synthesized a novel epoxy (dopotep) and cyanate ester (dopotcy) based on a phosphorus-containing triphenol (dopotriol). The proposed structures were confirmed by IR, mass spectra, NMR spectra, and epoxy-equivalent-weight titration. The synthesized dopotep or dopotcy was copolymerized with diglycidyl ether of bisphenol A (DGEBA), 6',6-bis(3-phenyl-3,4-dihydro-2H-1,3-benzoxazineyl)methane (F-a), or dicyanate ester of bisphenol A (BADCY). Thus, copolymers based on DGEBA/dopotep/diphenylmethane (ddm), F-a/dopotep, BADCY/dopotcy, and DGEBA/dopotcy were developed. The thermal properties, dielectric properties, and flame retardancy of these copolymers were investigated. The curing kinetics of dopotep/ddm and dopotep/diamino diphenylsulfone were studied with differential scanning calorimetry. The microstructure of DGEBA/dopotcy was studied with IR. (c) 2006 Wiley Periodicals, Inc.
|Appears in Collections:||化學工程學系所|
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