The Influence of Starch Gelatinization on Mechanical Properties of Natural Rubber Latex Films

Siti Rohana Yahya; Azura A. Rashid; Baharin Azahari

doi:10.4028/www.scientific.net/AMR.1024.184

Paper Titles

A Spectroscopic Study on the Polymer Colour Transition for Indicating the Exposure to Ionizing Radiation
p.167

Alkali Treatment of Kenaf Fiber Mat and its Influence on the Performance of Unsaturated Polyester/Kenaf Fiber Mat Composites
p.171

Influence of Mixing Procedure on Properties of Silica Filled Epoxidised Natural Rubber Compounds
p.175

Tensile Properties of Poly(L-Lactic) Acid(PLLA) Blends
p.179

The Influence of Starch Gelatinization on Mechanical Properties of Natural Rubber Latex Films
p.184

Effect of Lamination Layers on Tensile Properties and Mould Cleaning Efficiency of Laminated NBR Latex Composite
p.189

Chemical Depolymerisation of Natural Rubber in Biphasic Medium
p.193

The Production of Green Polymer - Hyperbranched Curable Palm Oil Oleic Acid
p.197

Effects of Binders System on Sintered Properties of Metal Injection Molding Parts of M2 High Speed Steel
p.201

HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1024The Influence of Starch Gelatinization on...

The Influence of Starch Gelatinization on Mechanical Properties of Natural Rubber Latex Films

Abstract:

The addition of starch in natural rubber (NR) latex films tends to decrease the mechanical properties of NR latex films due to poor dispersion of the fillers. As an alternative, starch was gelatinized before being added into NR latex compounds. The dispersion of 10% starch was mechanically prepared through ball milling together with dispersing agent. The other dispersion of 10% starch was gelatinized using alkali. The influenced of ball milled starch and alkali gelatinized starch filled NR latex films were studied through scanning electron microscopy, tensile properties, tear strength, and swelling properties. The rough freeze fracture surface with less agglomeration of fillers was observed on the alkali gelatinized starch NR latex films. The NR latex films filled with alkali gelatinized starch showed improvement in tensile properties, tear strength, and swelling resistance compared to the ball milled starch NR latex films. It can be concluded that the alkali gelatinization improved the dispersion of starch in NR matrix thus enhanced the mechanical properties of NR latex films.

You might also be interested in these eBooks

Advancement of Materials and Nanotechnology III

View Preview

Info:

Periodical:

Advanced Materials Research (Volume 1024)

Pages:

184-188

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1024.184

Citation:

Cite this paper

Online since:

August 2014

Authors:

Siti Rohana Yahya*, Azura A. Rashid, Baharin Azahari

Keywords:

Ball Milling, Gelatinization, Mechanical Property, Natural Rubber Latex, Starch

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

Citation:

* - Corresponding Author

References

[1] Y. S. Rohana, A. R. Azura, and B. Azahari (2013). Preparations and Characterization of Sago Starch Dispersion and Modification, Advanced Materials Research, 620, pp.395-399.

DOI: 10.4028/www.scientific.net/amr.620.395

Google Scholar

[2] D. Liu, Q. Wu, H. Chen, and P. R. Chang (2009). Transitional properties of starch colloid with particle reduction from micro- to nanometer, Journal of Colloid and Interface Science, 339, p.117 – 124.

DOI: 10.1016/j.jcis.2009.07.035

Google Scholar

[3] H. Chi, K. Xu, X. Wu, Q. Chen, D. Xue, C. Song, W. Zhang, P. Wang (2008). Effect of Acetylation on the Properties of Corn Starch, Food Chemistry, 106, 923 – 928.

DOI: 10.1016/j.foodchem.2007.07.002

Google Scholar

[4] S. Song, C. Wang, Z. Pan and X. Wang (2008). Preparation and Characterization of Amphiphilic Starch Nanocrystals, Journal of Applied Polymer Science, 107, p.418 – 422.

DOI: 10.1002/app.27076

Google Scholar

[5] H. Zu-Qiang, X. Xin-ling, C. Yuan, L. Jian-ping, T. Zhang-Fa (2008). Ball-milling treatment effect on physicochemical properties and features for cassava and maize starches, Comptes Rendus Chimie, 11, 1–2, p.73–79.

DOI: 10.1016/j.crci.2007.04.008

Google Scholar

[6] R. Parker and S. G. Ring (2004). Chapter 24: The Physical Chemistry of Starch in Polysaccharides: Structural Diversity and Functional Versatility, Second Edition, Editor: Severian Dumitriu, Marcel Dekker Inc., New York, United States of America.

DOI: 10.1201/9781420030822.ch24

Google Scholar

[7] A. A. Karim, M.Z. Nadiha, F.K. Chen, Y.P. Phuah, Y.M. Chui, and A. Fazilah: J. Food Hydrocolloids, 22 (2006), pp.1044-1053.

DOI: 10.1016/j.foodhyd.2007.05.011

Google Scholar

[8] N. Z. Noriman, H. Ismail, and Azura Rashid (2008).

Google Scholar

[9] S. S. Ochigbo and A. S. Luyt (2011). Mechanical and Morphological Properties of Films Based on Ultrasound Treated Titanium Dioxide Dispersion/Natural Rubber Latex, International Journal of Composite Materials, 1, 1, pp.7-13.

DOI: 10.5923/j.cmaterials.20110101.02

Google Scholar

[10] M. M. Afiq and Azura A. Rashid (2013). Utilization of Starch to Accelerate the Growth of Degrading Microorganisms on the Surface of Natural Rubber Latex Films, J. Chem. Chem. Eng., 7, pp.137-144.

Google Scholar

[11] G.G. Maher (1983). Akali Gelatinization of Starches, Starch/Stärke, 35, 7, 226-234.

DOI: 10.1002/star.19830350703

Google Scholar

[12] Y. P. Wu, M. Q. Ji, Q. Qi, Y. Q. Wang, L. Q. Zhang (2004). Preparation, Structure, and Properties of Starch/Rubber Composites Prepared by Co-Coagulating Rubber Latex and Starch Paste, Macromolecular Rapid Commununications, 2004, 25, 565–570.

DOI: 10.1002/marc.200300125

Google Scholar

[13] H. H. Cai, S. D. Li, G. R. Tian, H. B. Wang, J. H. Wang (2003). Reinforcement of Natural Rubber Latex Film by Ultrafine Calcium Carbonate, Journal of Applied Polymer Science, 87, p.982–985.

DOI: 10.1002/app.11410

Google Scholar

[14] H. Angellier, M.B. Sonia, and D. Alain (2006). Waxy Maize Starch Nanocrystals as Filler in Natural Rubber, Macromol. Symp., 233, p.132–136.

DOI: 10.1002/masy.200690009

Google Scholar