Nano‐sized TiO2‐reinforced natural rubber composites prepared by latex compounding method. Issue 3 (25th June 2015)

• Record Type: Journal Article
• Authors: Hayeemasae, Nabil; Rathnayake, W.G.I.U.; Ismail, Hanafi
• Is Part Of: Journal of vinyl & additive technology. Volume 23:Issue 3(2017)
• Page Start: 200
• Page End: 209
• Publication Date: 2015-06-25
• Subjects: Vinyl polymers -- Periodicals; Plastics -- Additives -- Periodicals; 668.4236
• DOI: 10.1002/vnl.21497
• Languages: English
• ISSNs: 1083-5601

Abstract

Abstract : This paper addresses nano‐sized titanium dioxide (TiO2 ) reinforced natural rubber composites. Micro‐sized TiO2 is simultaneously prepared to make a comparison with the composites containing nano‐sized TiO2 . To improve the dispersion of TiO2, this study also suggests a new method of incorporating TiO2 . Aqueous dispersions of micro‐ and nano‐sized TiO2 at the loadings of 0, 2, 4, 6, and 8 parts by weight per hundred parts of resin were dispersed in natural rubber latex, and then the resulting compounds were dried prior to mixing it with other ingredients on a two‐roll mill. By applying this technique, the homogeneity of the compound is significantly improved. This can be clearly seen from the enhancement of tensile properties and morphological characteristics where the optimum loading was found at 6 parts by weight per hundred parts of resin of micro‐ and nano‐sized TiO2 . Adding TiO2 results in delayed scorch times and curing times wherein the curing process of filled compounds is shorter than the unfilled compound. J. VINYL ADDIT. TECHNOL., 23:200–209, 2017. © 2015 Society of Plastics Engineers