dc.contributor.author |
Silva, Lindomar Avelino da |
|
dc.contributor.author |
Almeida, Tainá Medeiros Bastos de |
|
dc.contributor.author |
Teixeira, Rebeca Valgueiro |
|
dc.contributor.author |
Araújo, Elmo Silvano de |
|
dc.contributor.author |
Aquino, Kátia Aparecida da Silva |
|
dc.date.accessioned |
2022-07-13T20:13:21Z |
|
dc.date.available |
2022-07-13T20:13:21Z |
|
dc.date.issued |
2017 |
|
dc.identifier.citation |
SILVA, L. A. et al. Study of coffee grounds oil action in PVC matrix exposed to gamma radiation: comparison of systems in film and specimen forms. Materials Research, São Carlos, v. 20, n. suppl.2, p. 709-715, 2017. |
pt_BR |
dc.identifier.issn |
1980-5373 |
|
dc.identifier.uri |
http://dx.doi.org/10.1590/1980-5373-MR-2016-0985 |
pt_BR |
dc.identifier.uri |
http://www.sbicafe.ufv.br/handle/123456789/13579 |
|
dc.description.abstract |
The poly (vinyl chloride), PVC, undergoes changes in its physicochemical properties when it is exposed to gamma radiation. Thus, the radiolytic stabilization of PVC is one way for obtain a material with radiation resistance. In this work, we studied the coffee grounds oil as PVC radiolytic protection in two systems forms: PVC film and PVC specimen. The systems were irradiated at sterilization dose of medical devices and viscosity measurements were performed. According to viscosity assays of PVC films, there was a 67% protection in polymer matrix promoted by the oil. On the other hand, the mean viscosity molar mass (Mv) of PVC specimens increased about 13%, indicating predominance of crosslinking effect, however samples containing the oil showed no Mv significant changes. Therefore, the oil can be considered a PVC radio stabilizing substance and open a way for use of sustainable additive in PVC industry. |
pt_BR |
dc.format |
pdf |
pt_BR |
dc.language.iso |
en |
pt_BR |
dc.publisher |
ABM, ABC, ABPol |
pt_BR |
dc.relation.ispartofseries |
Materials Research;v.20, n.suppl.2, 2017 |
|
dc.rights |
Open Access |
pt_BR |
dc.subject |
Sustainability |
pt_BR |
dc.subject |
Additive |
pt_BR |
dc.subject |
Stabilization |
pt_BR |
dc.subject |
Polymer |
pt_BR |
dc.subject.classification |
Cafeicultura::Resíduos e subprodutos do café |
pt_BR |
dc.title |
Study of coffee grounds oil action in PVC matrix exposed to gamma radiation: comparison of systems in film and specimen forms |
pt_BR |
dc.type |
Artigo |
pt_BR |