Synthesis and characterization of new polycarbonates free of bisphenol A components (BPA-free) based on dimethyl/diphenyl carbonate and diphenylmethane derivative-Reference-Cited by-同舟云学术

Synthesis and characterization of new polycarbonates free of bisphenol A components (BPA-free) based on dimethyl/diphenyl carbonate and diphenylmethane derivative

Published:2023-04-07 Issue:5 Volume:95 Page:513-544
ISSN:0033-4545
Container-title:Pure and Applied Chemistry
language:en
Short-container-title:

Author:

Wnuczek Krystyna¹^ORCID,Puszka Andrzej¹^ORCID,Podkościelna Beata¹^ORCID

Affiliation:

1. Department of Polymer Chemistry, Institute of Chemical Sciences, Faculty of Chemistry , Maria Curie-Skłodowska University , Gliniana 33, 20-614 , Lublin , Poland

Abstract

Abstract The paper studies thermal characteristics of new polycarbonates obtained using the bisphenol A-free technology. Thermal tests of polycarbonates were carried out in a wide temperature range using the DSC (diffrential scanning calorimetry) and TG (thermogravimetry) analyses. The DSC data confirmed that all materials are homogeneous whereas the endothermic peaks are responsible for melting. Additionally, the analysis of the released gases was made by means of the infrared spectroscopic analysis. Our research proved that the new polycarbonates are relatively heat resistant. In the range of the thermal destruction of the studied materials there can be considered, two types of degradation reactions. The first step around 200 °C and the second one around 300 °C. Gel permeation chromatography were performed to determined molar masses of polymers. XRD analysis showed that the obtained polycarbonates showed a partially crystalline structure.

Publisher

Walter de Gruyter GmbH

Subject

General Chemical Engineering,General Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/pac-2022-1105/pdf

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