Synthesis, Characterization and Glass - Reinforced Composites of N,N'-Dimethylolthiourea – m-Aminophenol Resin | Zendy

K. D. Patel | Zendy; Manish M. Morekar | Zendy; Yogesh Shrikant Tilak | Zendy

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Synthesis, Characterization and Glass - Reinforced Composites of N,N'-Dimethylolthiourea – m-Aminophenol Resin

Author(s) -

K. D. Patel,

Manish M. Morekar,

Yogesh Shrikant Tilak

Publication year - 2005

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2005/598974

Subject(s) - hexamethylenetetramine , materials science , thermogravimetry , curing (chemistry) , differential scanning calorimetry , composite material , chemistry , inorganic chemistry , organic chemistry , thermodynamics , physics

N,N’-Dimethylolthiourea (DMTU) resin having the methylol group ( –CH2 OH ) has been prepared and characterized. The condensation of DMTU resin with m-aminophenol was carried out in the presence of alcoholic alkali catalyst at varying ratios of DMTU: mAP, namely 1:1, 1:1.5 and 1:2. The resultant DMTUmAP resin was characterized by elemental analysis, IR spectral studies, number average molecular weight (M¯n) estimated by non-aqueous conductometric titration, and thermogravimetry. The curing study of DMTUmAP resin with hexamethylenetetramine (HMTA) was monitored by differential scanning calorimetry (DSC) and kinetic parameters were evaluated. Glass-reinforced composites based on the DMTUmAP-HMTA system have also been prepared and characterized

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