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conferenceseries.com
October 20-22, 2016 Rome, Italy
11th International Conference and Expo on
Nanoscience and Molecular Nanotechnology
Volume 7, Issue 5 (Suppl) J Nanomed Nanotechnol 2016
ISSN: 2157-7439 JNMNT an open access journal NanoScience 2016
October 20-22, 2016
Flame retardants nanocomposites: Synergy effect of combining conventional antypirenes with carbon nanofillers
Ewa Kicko Walczak and Grażyna Rymarz
Institute for Engineering of Polymers Materials and Dyes, Poland
The thermoset resins are proven construction materials for the technical and highly demanding applications. Heat stability, high
thermal, low shrinkage, mechanical properties are typical for their type of polymers. Above applications also requires a good
flame retardant (FR). Undertaken activities refer to official draft recommendations in UE states. This paper presents positive effect
of reduced flammability of thermoset resins thanks to the use of nanocomposites containing multi-ingredient halogen-free flame
retardants which combine phosphorus/nitrogen modifiers interacting with nanofillers: Expandable graphite (EG), graphene (G),
graphene oxide (GO) and anthracite (AN). The flame retardancy of modified polymers has been investigated by LOI analysis, TG and
by using CC method. The fine-plates, phase morphology of nanocomposites were assessed by SEM. We confirm that nanocomposite
formation is an important concept for the flame retardants industry. Laminates made of modified resins meet requirement LOI over
28-34% and reduced 30-70% head release rate (HRR) by CC method. No adverse impact on strength properties was observed. A
multi-ingredient combination of FR turned out to make significant progress in achieving a desired flammability. It should be assumed
that the presence of conventional flame retardants led to a synergy effect promoting faster formation of a protection layer hindering
oxygen flow-through resulting from the process of thermal destruction.
Biography
Ewa Kicko Walczak graduated from Polytechnic University in Warsaw, Chemical Department. In 1979, she started working in Industrial Chemistry Research
Institute. In 1985, she was recipient of Doctor Technical Science title from ICHRI; and in 2012, she received a DSc Chemistry Faculty of Cracow University.
Since 2010, she started to cooperate with The Institute for Engineering of Polymers Materials and Dyes (IIMPaD) and since 2015 is General Director of IIMPaD.
She completed International Centre of Physics and Chemistry in Ferrara-Roma (Italy) and International Professional Course for Managers of Chemical and
Pharmaceutical Industry in Copenhagen (Denmark)-Washington (US). She is the author of more than 80 original research publications and author 90 scientific
presentations in international conferences. She is also author (or co-author) of 65 patents/patent applications. She has coordinated Polish and international
conferences, 23 research projects oriented towards new polymer materials. Her scientific activity concentrates on ecological aspect of technology and modification
polymeric materials, particularly on fire retardant and reduced smoke toxic emission from thermoset resins systems.
Ewa Kicko Walczak et al., J Nanomed Nanotechnol 2016, 7:5 (Suppl)