Welcome To UTPedia

We would like to introduce you, the new knowledge repository product called UTPedia. The UTP Electronic and Digital Intellectual Asset. It stores digitized version of thesis, dissertation, final year project reports and past year examination questions.

Browse content of UTPedia using Year, Subject, Department and Author and Search for required document using Searching facilities included in UTPedia. UTPedia with full text are accessible for all registered users, whereas only the physical information and metadata can be retrieved by public users. UTPedia collaborating and connecting peoples with university’s intellectual works from anywhere.

Disclaimer - Universiti Teknologi PETRONAS shall not be liable for any loss or damage caused by the usage of any information obtained from this web site.Best viewed using Mozilla Firefox 3 or IE 7 with resolution 1024 x 768.

EFFECT OF NANOFILLERS ON THE SPREADING BEHAVIOUR OF BIOPOLYMER BLENDS ON UREA SURFACE

ZULKEFELY, NURUL IZZATY FAIZZEN (2013) EFFECT OF NANOFILLERS ON THE SPREADING BEHAVIOUR OF BIOPOLYMER BLENDS ON UREA SURFACE. Universiti Teknologi PETRONAS. (Unpublished)

[img] PDF
Download (2293Kb)

Abstract

Recently, the controlled release technology has been developed through coating process which helps in increasing the efficiency of fertilizer besides reducing the fertilizer’s losses and minimizing environmental pollution. This paper presented new approach where a new modified biopolymer filled with nanoclay is developed and used as the coating material for the slow- or controlled-release fertilizer. The use of nanofiller is predicted to give a better spreading behavior which ensures the uniformity of coating process. Uniformity of urea coating is crucial as it will provide a steady and constant release of nutrients. Better wettability properties of a biopolymer droplet promotes formation of thin-film on urea surface and thus certifies the uniformity in coating process. Various sample consist of seven different blending ratio of modified biopolymer are prepared and evaluated for wettability properties. The wettability properties measured in this research project includes surface tension, contact angle and the maximum spreading diameter. Surface tensiometer or OCA 20 device is used to capture every single images of this droplet impact behavior. From experimental procedure, the spreading behavior of modified biopolymer on urea surface after addition of nanoclay filler is analyzed. The addition of 2% of nanoclay filler into 50/15/2.5/7.5 blending ratio had reduced the surface tension and contact angle of the droplet impact which provides the better wettability properties and spreading behaviour compared to the 50/15/2.5/7.5 blending ratio without addition of nanoclay filler. Therefore, it is proven that small amount of nanoclay filler added into the modified biopolymer solution had enhanced the spreading behavior of the droplet impact on the urea surface.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Separation Process
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 09 Oct 2013 11:07
Last Modified: 09 Oct 2013 11:07
URI: http://utpedia.utp.edu.my/id/eprint/8405

Actions (login required)

View Item View Item

Document Downloads

More statistics for this item...