Hydrophobization of Paper Using Organosilane and Titanium Dioxide Nanoparticles with Layer by Layer Method

Utilization of paper as packaging material and developing applied technological program on paper-based substrate are drastically dependent to control of cellulosic fiber hydrophilicity and to enhancement of its hydrophobic properties. Then this work carried out with the aim of developing hydrophobic...

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Autores principales:	Bagher Ashrafi Rad, Mohammad Azadfallah, Fatemeh Kolaei Moakhar, Soheila Izadyar, Mehdi Rahmaninia
Formato:	article
Lenguaje:	FA
Publicado:	Regional Information Center for Science and Technology (RICeST) 2017
Materias:	Layer by layer (LBL) Titanium dioxide organosilane Roughness Contact angle hydrophobicity Forestry SD1-669.5
Acceso en línea:	https://doaj.org/article/920588c9f51e4914a677f6df0613bc8d
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id	oai:doaj.org-article:920588c9f51e4914a677f6df0613bc8d
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spelling	oai:doaj.org-article:920588c9f51e4914a677f6df0613bc8d2021-12-02T01:39:50ZHydrophobization of Paper Using Organosilane and Titanium Dioxide Nanoparticles with Layer by Layer Method1735-09132383-112X10.22092/ijwpr.2017.114822.1433https://doaj.org/article/920588c9f51e4914a677f6df0613bc8d2017-12-01T00:00:00Zhttp://ijwpr.areeo.ac.ir/article_113421_33e84a7c80c6c4b0655524ee5a8c147e.pdfhttps://doaj.org/toc/1735-0913https://doaj.org/toc/2383-112XUtilization of paper as packaging material and developing applied technological program on paper-based substrate are drastically dependent to control of cellulosic fiber hydrophilicity and to enhancement of its hydrophobic properties. Then this work carried out with the aim of developing hydrophobic surface on cellulosic fiber with layer by layer (LBL) method while keeping and enhancing the properties of paper network. The deposition was implemented by titanium dioxide nanoparticles and poly acrylic acid as cationic and anionic layer respectively on the fibers of unbleached hardwood Kraft pulp and using Zycosil and fluoroalkyl silane on the last layer. The hand-sheets were then made by this modified fiber. The contact angle and roughness were measured to evaluate the effect of layers on hydrophobicity. The results indicated that roughness increased with the number of layers. The instant contact angle was also increased with the number of layers and reached approximately to 110 degree at 7th layer. The dynamic contact angles dropped more lately with increasing the number of layers. The fluorosilane deposition as 8th layer in comparison with Zycosil showed more effect on surface energy reduction. The instant contact angle of Zycosil treated paper was measured 125 degree which dropped significantly to 48 degree after 30 seconds. However, fluorosilane modified paper exhibited contact angle of 140 degree at the same time. In addition, the presence of titanium dioxide nanoparticles on the surface of fiber was demonstrated by scanning electron microscopy (SEM) of paper surface.Bagher Ashrafi RadMohammad AzadfallahFatemeh Kolaei MoakharSoheila IzadyarMehdi RahmaniniaRegional Information Center for Science and Technology (RICeST)articleLayer by layer (LBL)Titanium dioxideorganosilaneRoughnessContact anglehydrophobicityForestrySD1-669.5FAتحقیقات علوم چوب و کاغذ ایران, Vol 32, Iss 4, Pp 530-540 (2017)
institution	DOAJ
collection	DOAJ
language	FA
topic	Layer by layer (LBL) Titanium dioxide organosilane Roughness Contact angle hydrophobicity Forestry SD1-669.5
spellingShingle	Layer by layer (LBL) Titanium dioxide organosilane Roughness Contact angle hydrophobicity Forestry SD1-669.5 Bagher Ashrafi Rad Mohammad Azadfallah Fatemeh Kolaei Moakhar Soheila Izadyar Mehdi Rahmaninia Hydrophobization of Paper Using Organosilane and Titanium Dioxide Nanoparticles with Layer by Layer Method
description	Utilization of paper as packaging material and developing applied technological program on paper-based substrate are drastically dependent to control of cellulosic fiber hydrophilicity and to enhancement of its hydrophobic properties. Then this work carried out with the aim of developing hydrophobic surface on cellulosic fiber with layer by layer (LBL) method while keeping and enhancing the properties of paper network. The deposition was implemented by titanium dioxide nanoparticles and poly acrylic acid as cationic and anionic layer respectively on the fibers of unbleached hardwood Kraft pulp and using Zycosil and fluoroalkyl silane on the last layer. The hand-sheets were then made by this modified fiber. The contact angle and roughness were measured to evaluate the effect of layers on hydrophobicity. The results indicated that roughness increased with the number of layers. The instant contact angle was also increased with the number of layers and reached approximately to 110 degree at 7th layer. The dynamic contact angles dropped more lately with increasing the number of layers. The fluorosilane deposition as 8th layer in comparison with Zycosil showed more effect on surface energy reduction. The instant contact angle of Zycosil treated paper was measured 125 degree which dropped significantly to 48 degree after 30 seconds. However, fluorosilane modified paper exhibited contact angle of 140 degree at the same time. In addition, the presence of titanium dioxide nanoparticles on the surface of fiber was demonstrated by scanning electron microscopy (SEM) of paper surface.
format	article
author	Bagher Ashrafi Rad Mohammad Azadfallah Fatemeh Kolaei Moakhar Soheila Izadyar Mehdi Rahmaninia
author_facet	Bagher Ashrafi Rad Mohammad Azadfallah Fatemeh Kolaei Moakhar Soheila Izadyar Mehdi Rahmaninia
author_sort	Bagher Ashrafi Rad
title	Hydrophobization of Paper Using Organosilane and Titanium Dioxide Nanoparticles with Layer by Layer Method
title_short	Hydrophobization of Paper Using Organosilane and Titanium Dioxide Nanoparticles with Layer by Layer Method
title_full	Hydrophobization of Paper Using Organosilane and Titanium Dioxide Nanoparticles with Layer by Layer Method
title_fullStr	Hydrophobization of Paper Using Organosilane and Titanium Dioxide Nanoparticles with Layer by Layer Method
title_full_unstemmed	Hydrophobization of Paper Using Organosilane and Titanium Dioxide Nanoparticles with Layer by Layer Method
title_sort	hydrophobization of paper using organosilane and titanium dioxide nanoparticles with layer by layer method
publisher	Regional Information Center for Science and Technology (RICeST)
publishDate	2017
url	https://doaj.org/article/920588c9f51e4914a677f6df0613bc8d
work_keys_str_mv	AT bagherashrafirad hydrophobizationofpaperusingorganosilaneandtitaniumdioxidenanoparticleswithlayerbylayermethod AT mohammadazadfallah hydrophobizationofpaperusingorganosilaneandtitaniumdioxidenanoparticleswithlayerbylayermethod AT fatemehkolaeimoakhar hydrophobizationofpaperusingorganosilaneandtitaniumdioxidenanoparticleswithlayerbylayermethod AT soheilaizadyar hydrophobizationofpaperusingorganosilaneandtitaniumdioxidenanoparticleswithlayerbylayermethod AT mehdirahmaninia hydrophobizationofpaperusingorganosilaneandtitaniumdioxidenanoparticleswithlayerbylayermethod
_version_	1718402973184294912

Hydrophobization of Paper Using Organosilane and Titanium Dioxide Nanoparticles with Layer by Layer Method

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