Effect of different formulations of coating materials on kenaf paper

Kenaf (Hibiscus cannabinus L.), is relatively new industrial crop which has been identified as an alternative sources of fiber supply in the papermaking industry in Malaysia. The hydrophilic character of cellulosic material such as paper has directed many explorations in inventing hydrophobic paper...

Full description

Saved in:

Bibliographic Details
Main Author:	Abdullah, Hazwani Husna
Format:	Thesis
Language:	English
Published:	2012
Subjects:	Kenaf Coatings Paper
Online Access:	http://psasir.upm.edu.my/id/eprint/39360/1/IPTPH%202012%204R.pdf
Tags:	Add Tag No Tags, Be the first to tag this record!

id	my-upm-ir.39360
record_format	uketd_dc
spelling	my-upm-ir.393602015-07-03T08:41:10Z Effect of different formulations of coating materials on kenaf paper 2012-09 Abdullah, Hazwani Husna Kenaf (Hibiscus cannabinus L.), is relatively new industrial crop which has been identified as an alternative sources of fiber supply in the papermaking industry in Malaysia. The hydrophilic character of cellulosic material such as paper has directed many explorations in inventing hydrophobic paper which able to stay dry at certain conditions and period after exposing to water or moisture. In this study, experimental unbleached kenaf kraft paper was prepared as substrate to produce water resistant paper by using coating method. Coating formulation consists of commercial precipitated calcium carbonate (PCC) was used as filler in addition to 20/0 w/w g, 20/0.08 w/w, 20/0.16 w/w amount to hydrophobic stearic acid (SA). Polymer latex (PL) amount at 20/0.2 w/w, 20/0.4 w/w,20/0.4 w/w and 20/0.8 w/w were also added into the coating compound to bind the filler particles present in coating formulation. The water absorptiveness of paper was measured via water contact angle and Cobb test while the observation of paper morphology was conducted by employing scanning electron microscope (SEM). The mechanical properties of the coated water resistant paper were measured in order to determine the paper strength. Hydrophobic kenaf kraft paper prepared in this study exhibited reading of water contact angle (θ) greater than 90° which indicates to almost non-wetting condition. Hydrophobic paper of formulation PL4c resulted in the highest value contact angle of 147°C. The process of dipping treatment resulted in higher water contact angle reading of the paper surface. This paper surface acquired higher hydrophobic level. However, the coated paper demonstrated decrement in mechanical strength by the increasing addition of stearic acid. Kenaf Coatings Paper 2012-09 Thesis http://psasir.upm.edu.my/id/eprint/39360/ http://psasir.upm.edu.my/id/eprint/39360/1/IPTPH%202012%204R.pdf application/pdf en public masters Universiti Putra Malaysia Kenaf Coatings Paper
institution	Universiti Putra Malaysia
collection	PSAS Institutional Repository
language	English
topic	Kenaf Coatings Paper
spellingShingle	Kenaf Coatings Paper Abdullah, Hazwani Husna Effect of different formulations of coating materials on kenaf paper
description	Kenaf (Hibiscus cannabinus L.), is relatively new industrial crop which has been identified as an alternative sources of fiber supply in the papermaking industry in Malaysia. The hydrophilic character of cellulosic material such as paper has directed many explorations in inventing hydrophobic paper which able to stay dry at certain conditions and period after exposing to water or moisture. In this study, experimental unbleached kenaf kraft paper was prepared as substrate to produce water resistant paper by using coating method. Coating formulation consists of commercial precipitated calcium carbonate (PCC) was used as filler in addition to 20/0 w/w g, 20/0.08 w/w, 20/0.16 w/w amount to hydrophobic stearic acid (SA). Polymer latex (PL) amount at 20/0.2 w/w, 20/0.4 w/w,20/0.4 w/w and 20/0.8 w/w were also added into the coating compound to bind the filler particles present in coating formulation. The water absorptiveness of paper was measured via water contact angle and Cobb test while the observation of paper morphology was conducted by employing scanning electron microscope (SEM). The mechanical properties of the coated water resistant paper were measured in order to determine the paper strength. Hydrophobic kenaf kraft paper prepared in this study exhibited reading of water contact angle (θ) greater than 90° which indicates to almost non-wetting condition. Hydrophobic paper of formulation PL4c resulted in the highest value contact angle of 147°C. The process of dipping treatment resulted in higher water contact angle reading of the paper surface. This paper surface acquired higher hydrophobic level. However, the coated paper demonstrated decrement in mechanical strength by the increasing addition of stearic acid.
format	Thesis
qualification_level	Master's degree
author	Abdullah, Hazwani Husna
author_facet	Abdullah, Hazwani Husna
author_sort	Abdullah, Hazwani Husna
title	Effect of different formulations of coating materials on kenaf paper
title_short	Effect of different formulations of coating materials on kenaf paper
title_full	Effect of different formulations of coating materials on kenaf paper
title_fullStr	Effect of different formulations of coating materials on kenaf paper
title_full_unstemmed	Effect of different formulations of coating materials on kenaf paper
title_sort	effect of different formulations of coating materials on kenaf paper
granting_institution	Universiti Putra Malaysia
publishDate	2012
url	http://psasir.upm.edu.my/id/eprint/39360/1/IPTPH%202012%204R.pdf
_version_	1747811787382718464

Effect of different formulations of coating materials on kenaf paper

Similar Items