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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

SYNTHESIS, THERMAL STUDIES AND CONVERSION DEGREE OF DIMETHACRYLATE POLYMERS USING NEW NON-TOXIC COINITIATORS

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Author(s):
Rafael Turra Alarcon ; Bruno Barreto da Cunha Holanda ; Daniel Rinaldo ; Flávio Junior Caires ; Marcos Vinícius de Almeida ; Gilbert Bannach
Total Authors: 6
Document type: Journal article
Source: Química Nova; v. 40, n. 4, p. 363-370, Maio 2017.
Web of Science Citations: 3
Abstract

The aim of this paper is to replace toxic coinitiators (tertiary amines) by non-toxic compounds such as glycerol and inositol (polyalcohol) in dimethacrylate resins. For this purpose, mid infrared spectroscopy (MIR) was used to calculate the monomers' degree of conversion (%DC); as well as simultaneous Thermogravimetric Analysis – Differential Thermal Analysis (TGA-DTA) and Differential Scanning Calorimetry (DSC) were conducted to evaluate thermal stability, degradation steps, and thermal events. The use of different initiator systems did not modify the thermal events or the thermal stability of each of the dimethacrylate resins. Results show a substitution of system 2 (toxicity) by system 3 (low toxicity), which had a good conversion velocity and total conversion in some monomers, is plausible. (AU)

FAPESP's process: 12/21450-1 - Thermoanalytical studies, synthesis and characterization of the solid co-crystals of ketoprofen with some co-formers
Grantee:Gilbert Bannach
Support type: Regular Research Grants
FAPESP's process: 13/09022-7 - Thermoanalytical studies, synthesis and characterization of the solid co-crystals of antibiotics (fluoroquinolones) with some co-formers
Grantee:Massao Ionashiro
Support type: Regular Research Grants