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Journal of Thermal Analysis and Calorimetry
Authors: G. Vázquez, J. González-Álvarez, and G. Antorrena

Abstract  

The curing of a phenol–formaldehyde–tannin (PFT) adhesive in the presence of pine or eucalyptus wood has been studied using differential scanning calorimetry. The influence of the adhesive/wood ratio on the activation energy (E a), the temperature of the maximum of the exothermic peak (T p) and the enthalpy of the curing process (ΔH) was analysed. E a, T p and ΔH of the curing reaction decreased when wood was added in the curing system. The adhesive/wood interaction did not depend significantly on wood species.

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Journal of Thermal Analysis and Calorimetry
Authors: C. Gracia-Fernández, J. Tarrío-Saavedra, J. López-Beceiro, S. Gómez-Barreiro, S. Naya, and R. Artiaga

polyurethane has been also reported in several studies using PDSC [ 17 – 19 ]. But there is not any report of evaluating the curing enthalpy by PDSC and measuring the vitrification time by temperature modulated PDSC (TMPDSC) in epoxy systems. The aim of this

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chestnut shell tannin adhesives prepared with the four hardeners used, and Table 2 presents the values of the curing enthalpy and the maximum temperature of the exothermic peaks corresponding to the adhesive curing reactions. Fig. 1

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T g Glass transition Δ H cure Cure enthalpy Δ H Enthalpy

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-nanocomposites recorded at heating rate of 276 K/min These results clearly illustrate the decrease of the curing enthalpy of epoxy coating by the increasing nanoparticles loading up to 5%. This can be attributed to the

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Journal of Thermal Analysis and Calorimetry
Authors: Chinnaswamy Thangavel Vijayakumar, Rajendran Surender, Kumaraswamy Rajakumar, and Sarfaraz Alam

, compared to the van der Waals attractive energy Δ H c , the higher the possibility of clay exfoliation [ 7 ]. Pure BMIX has the cure enthalpy as 186 J g −1 . The enthalpy of curing for the Micro Talc IT Extra, Calcined clay, and Natural clay

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