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Design of particles for functional finishing of textiles: investigation of microencapsulation techniques

Grant number: 11/04230-5
Support type:Research Grants - Young Investigators Grants
Duration: July 01, 2011 - June 30, 2016
Field of knowledge:Engineering - Chemical Engineering
Principal Investigator:Ana Silvia Prata
Grantee:Ana Silvia Prata
Home Institution: Faculdade de Engenharia de Alimentos (FEA). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated grant(s):15/03374-4 - 6th International Symposium on delivery of functionality in complex food systems: Physically-Inspired approaches from the nanoscale to the microscale, AR.EXT
14/16302-9 - Modeling and simulation of particles coating in fluidized bed, AV.EXT
Associated scholarship(s):15/11629-2 - Strategies for producing lipidic particles using fluidized bed, BP.MS


It has been seen, in the last few decades, the increasing development of the microencapsulated products' applications. In the same direction, the textile sector has significantly increasing the investments in research for the functional and intelligent fabric elaboration, whose focus is niches of aggregate value as the medical and sport of high performance articles. One of the promising materials, used in the civil industry, is Phase Change Material (PCM). This material has a great capacity of transfer the latent heat and when applied to textiles substrates, it confers thermal properties to them, under temperature variations. The PCM absorbs heat of the ambient during the melting, causing the reduction of the ambient temperature and the consequent sensation of thermal comfort. In the encapsulated form, these materials can easily be incorporated to the fabric´s fibers, since the volumetric variations that occur during the phase transition are tolerated, and properties of resistance to the manufacture process can be attributed to the particles. It is observed, however, a reduced number of techniques used for encapsulation of these compounds. This fact is due to the recent application of PCMs in fabrics, but also to the complexity associated with the use of a material that change of phase during the processing. The main objective of this project is to study different methods for encapsulation of a PCM, considering its incorporation, as humid or dry forms, in textiles. It is intended to maximize the capacity of stockage of heat in the particle and to guarantee its insolubility and resistance to the temperature. We attempt, with this project, to initiate research in applied microencapsulation and, with this to contribute for the nucleation of a new research group in the Faculty of Applied Sciences, at UNICAMP. (AU)

Scientific publications (4)
(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)
PAULO, BRUNA BARBON; SCHMIELE, MARCIO; MAXIMO, GUILHERME JOSE; PRATA, ANA SILVIA. Carnauba Wax Particles: Investigation of Dripping and Cold-Extrusion Processes. JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, v. 96, n. 7, p. 847-859, JUL 2019. Web of Science Citations: 0.
PAULO, BRUNA BARBON; ANDREOLA, KACIANE; TARANTO, OSVALDIR; FERREIRA, ALMERINDO D.; PRATA, ANA SILVIA. Coating approach for a Phase Change Material (PCM). Powder Technology, v. 341, n. SI, p. 147-156, JAN 1 2019. Web of Science Citations: 4.
PAULO, BRUNA BARBON; RAMOS, FERNANDA DE MELO; PRATA, ANA SILVIA. An investigation of operational parameters of jet cutting method on the size of Ca-alginate beads. JOURNAL OF FOOD PROCESS ENGINEERING, v. 40, n. 6 DEC 2017. Web of Science Citations: 2.
PRATA, A. S.; GROSSO, C. R. F. Production of microparticles with gelatin and chitosan. Carbohydrate Polymers, v. 116, p. 292-299, FEB 13 2015. Web of Science Citations: 27.

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