4.7 Article

Epoxy resins modified with reactive low molecular weight siloxanes

Journal

EUROPEAN POLYMER JOURNAL
Volume 48, Issue 4, Pages 769-773

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2012.01.009

Keywords

Siloxane modifiers; Epoxy polymers; Mechanical properties; Flammability; Thermal stability

Funding

  1. Ministry of Science and Higher Education (Poland) [N 205 273 635]

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A typical composition consisting of a low-molecular commercial epoxy resin based on bisphenol A and aliphatic polyamine hardener: triethylenetetramine was modified by replacing a part of the composition with up to 15 wt.% of low molecular weight bis(glycidylpropyl)- or bis(aminopropyl)-tetramethyldisiloxane. The reactivity of the compositions and basic properties of the resulting epoxy polymers, including glass transition temperature, storage modulus, thermal stability, impact and bending strengths, Brinell hardness, and flammability (limiting oxygen index) were evaluated. (C) 2012 Elsevier Ltd. All rights reserved.

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