Toughening of polypropylene with calcium carbonate nanoparticles

• Grant number: 12/23295-3
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• Start date: April 01, 2013
• End date: December 31, 2013
• Field of knowledge: Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials
• Principal Investigator: Luiz Antonio Pessan
• Grantee: Estevao Mestres do Nascimento
• Host Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil

Abstract

Spherical inorganic nanoparticles have the potential to improve the impact resistance of polymer matrices. This phenomenon is possible through mechanisms of initiation of deformation of the polymer matrix after the occurrence of the process of detaching at the polymer-particle interface. Unlike the elastomeric particulate inorganic particles increase the impact resistance without decrease in stiffness of the polymer. Taking into account the current scientific and technological potential of these nanocomposites, this project aim to the development of nanocomposites PP/CaCO3 to improve the impact resistance of polypropylene homopolymer. Moreover, it is intended to investigate the influence of concentration of calcium carbonate and the influence of heat treatments on the final properties of the nanocomposite. (AU)

Scientific publications

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

DO NASCIMENTO, ESTEVAO MESTRES; EIRAS, DANIEL; PESSAN, LUIZ ANTONIO. Effect of thermal treatment on impact resistance and mechanical properties of polypropylene/calcium carbonate nanocomposites. COMPOSITES PART B-ENGINEERING, v. 91, p. 228-234, APR 15 2016. (12/23295-3)