Production Of Braille Paper From Recycled Fiber Treated With Cellulose Acetate And Optimization By Response Surface Methodology (Rsm)

Paper dust and oil palm empty fruit bunch (EFB) unbleached chemical pulps were derived to a low-grade cellulose acetate in this study. Papers made from secondary fiber were then treated with the resultant cellulose acetate (CA) to produce paper that is suitable to be used on Braille embosser but in...

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Main Author: Soo, Mei Chong
Format: Thesis
Language:English
Published: 2013
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Online Access:http://eprints.usm.my/46242/1/Soo%20Mei%20Chong24.pdf
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spelling my-usm-ep.462422020-02-17T04:30:42Z Production Of Braille Paper From Recycled Fiber Treated With Cellulose Acetate And Optimization By Response Surface Methodology (Rsm) 2013-12 Soo, Mei Chong T11.95-12.5 Industrial directories Paper dust and oil palm empty fruit bunch (EFB) unbleached chemical pulps were derived to a low-grade cellulose acetate in this study. Papers made from secondary fiber were then treated with the resultant cellulose acetate (CA) to produce paper that is suitable to be used on Braille embosser but in lower grammage (~80 gsm) and higher paper stiffness. The treatment of cellulose acetate derived from paper dust (CAPD) into handsheet was studied statistically by employing a half two level factorial design. The effects of the three independent variables of treatment - dipping time, pressing temperature and pressing time on three response variables (paper density, burst index and rate of surface wettability) was investigated. The factorial models obtained showed that dipping time is the most influential variable followed by pressing temperature, whereas the pressing time was insignificant to all responses. The optimization of treatment conditions on the paper properties were carried out by employing response surface methodology (RSM) based on central composite design (CCD). Four response variables, namely density, burst index, smoothness, and rate of surface wettability were analyzed. Polynomial estimation model of each response was developed as functions of three independent variables, which are pressing temperature (T), dipping time (D), and concentration of cellulose acetate (C). The paper which was treated based on the calculated optimum condition (T: 163oC, D: 2.8 minutes and C: 2.7%) , possessed density of 0.5450 g/cm3, rate of surface wettability of 0.012o/s, burst index of 2.84-kPa m2/g, and paper smoothness of 475 mL/min. All the experimental values were significantly no different from the predicted values calculated from estimation models. 2013-12 Thesis http://eprints.usm.my/46242/ http://eprints.usm.my/46242/1/Soo%20Mei%20Chong24.pdf application/pdf en public masters Universiti Sains Malaysia Pusat Pengajian Teknologi Industri
institution Universiti Sains Malaysia
collection USM Institutional Repository
language English
topic T11.95-12.5 Industrial directories
spellingShingle T11.95-12.5 Industrial directories
Soo, Mei Chong
Production Of Braille Paper From Recycled Fiber Treated With Cellulose Acetate And Optimization By Response Surface Methodology (Rsm)
description Paper dust and oil palm empty fruit bunch (EFB) unbleached chemical pulps were derived to a low-grade cellulose acetate in this study. Papers made from secondary fiber were then treated with the resultant cellulose acetate (CA) to produce paper that is suitable to be used on Braille embosser but in lower grammage (~80 gsm) and higher paper stiffness. The treatment of cellulose acetate derived from paper dust (CAPD) into handsheet was studied statistically by employing a half two level factorial design. The effects of the three independent variables of treatment - dipping time, pressing temperature and pressing time on three response variables (paper density, burst index and rate of surface wettability) was investigated. The factorial models obtained showed that dipping time is the most influential variable followed by pressing temperature, whereas the pressing time was insignificant to all responses. The optimization of treatment conditions on the paper properties were carried out by employing response surface methodology (RSM) based on central composite design (CCD). Four response variables, namely density, burst index, smoothness, and rate of surface wettability were analyzed. Polynomial estimation model of each response was developed as functions of three independent variables, which are pressing temperature (T), dipping time (D), and concentration of cellulose acetate (C). The paper which was treated based on the calculated optimum condition (T: 163oC, D: 2.8 minutes and C: 2.7%) , possessed density of 0.5450 g/cm3, rate of surface wettability of 0.012o/s, burst index of 2.84-kPa m2/g, and paper smoothness of 475 mL/min. All the experimental values were significantly no different from the predicted values calculated from estimation models.
format Thesis
qualification_level Master's degree
author Soo, Mei Chong
author_facet Soo, Mei Chong
author_sort Soo, Mei Chong
title Production Of Braille Paper From Recycled Fiber Treated With Cellulose Acetate And Optimization By Response Surface Methodology (Rsm)
title_short Production Of Braille Paper From Recycled Fiber Treated With Cellulose Acetate And Optimization By Response Surface Methodology (Rsm)
title_full Production Of Braille Paper From Recycled Fiber Treated With Cellulose Acetate And Optimization By Response Surface Methodology (Rsm)
title_fullStr Production Of Braille Paper From Recycled Fiber Treated With Cellulose Acetate And Optimization By Response Surface Methodology (Rsm)
title_full_unstemmed Production Of Braille Paper From Recycled Fiber Treated With Cellulose Acetate And Optimization By Response Surface Methodology (Rsm)
title_sort production of braille paper from recycled fiber treated with cellulose acetate and optimization by response surface methodology (rsm)
granting_institution Universiti Sains Malaysia
granting_department Pusat Pengajian Teknologi Industri
publishDate 2013
url http://eprints.usm.my/46242/1/Soo%20Mei%20Chong24.pdf
_version_ 1747821635326443520