@Article{JPM.2022.39.1-2.10,
AUTHOR = {NURUL HAYATI YUSOF, DAZYLAH DARJI, TAN KIM SONG, NGHIEM THI THUONG},
TITLE = {Preparation of Natural Rubber/Cloisite-Na<sup>+</sup> nanocomposite in Latex Stage and its Characterization for Mould Application},
JOURNAL = {Journal of Polymer Materials},
VOLUME = {39},
YEAR = {2022},
NUMBER = {1-2},
PAGES = {151--166},
URL = {http://www.techscience.com/jpm/v39n1-2/55987},
ISSN = {0976-3449},
ABSTRACT = {In this work, a pure gum mould made of prevulcanized natural rubber/cloisite-Na<sup>+</sup> nanocomposite
(PVNR/CN) was prepared and characterized for ornament application. The suitable conditions
to prepare PVNR/CN latex mixtures and the properties of the resulting PVNR/CN nanocomposites
were investigated. The optimum CN concentration in the latex mixture was 1.0 phr, with the
properties of 60 wt% total solid content, more than 600 sec mechanical stability time, lower
than 350 cP Brookfield viscosity, and pH 10. The properties of PVNR/CN nanocomposite showed
high strength, moderate hardness, and good thermal stability. The morphology by TEM showed
well dispersion of CN particles in between the rubber dispersoid. The PVNR/CN nanocomposite
as a mould was evaluated by shrinkage measurement. The presence of 1.0 phr CN in the
PVNR/CN nanocomposite achieved the least shrinkage. The reproduced object using the PVNR/
CN nanocomposite as a mould showed complete fine details similar to the original object via
visual observation.},
DOI = {10.32381/JPM.2022.39.1-2.10}
}