The Effects of Reaction Variables on Solution Polymerization of Vinyl Acetate and Molecular Weight of Poly(vinyl alcohol) Using Taguchi Experimental Design

Poly(vinyl acetate) is synthesized via solution polymerization, and then it is converted to poly(vinyl alcohol) by alkaline alcoholysis. The aim of the work study was to investigate statistically the  influence of reaction variables in vinyl acetate polymerization, the conversion of this monomer to...

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Main Authors: M.H. Navarchian, S. Mousazadeh
Format: Article
Language:fas
Published: Iran Polymer and Petrochemical Institute 2009-12-01
Series:علوم و تکنولوژی پلیمر
Subjects:
Online Access:http://jips.ippi.ac.ir/article_705_1924974ca1a99799fd3b04fd336d4a0d.pdf
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author M.H. Navarchian
S. Mousazadeh
author_facet M.H. Navarchian
S. Mousazadeh
author_sort M.H. Navarchian
collection DOAJ
description Poly(vinyl acetate) is synthesized via solution polymerization, and then it is converted to poly(vinyl alcohol) by alkaline alcoholysis. The aim of the work study was to investigate statistically the  influence of reaction variables in vinyl acetate polymerization, the conversion of this monomer to polymer, degree of branching of acetyl group in poly(vinyl acetate), as well as the molecular weight of poly(vinyl alcohol), using Taguchi experimental design approach. The reaction variables were polymerization time, molar ratio of initiator to monomer, and volume ratio of monomer to solvent. The statistical analysis of variance of the results revealed that all factors have significantly influenced the conversion and degree of branching. Volume ratio of monomer to solvent is the only factor affecting the molecular weight of poly(vinyl alcohol), and has the greatest influence on all responses. By increasing this ratio, the conversion, degree of branching of acetyl group in poly(vinyl acetate), and molecular weight of poly(vinyl alcohol) were increased.
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spelling doaj.art-135a3cfec5eb49dd8b072e24f27405f22022-12-21T22:38:35ZfasIran Polymer and Petrochemical Instituteعلوم و تکنولوژی پلیمر1016-32552008-08832009-12-0122534135110.22063/jipst.2009.705705The Effects of Reaction Variables on Solution Polymerization of Vinyl Acetate and Molecular Weight of Poly(vinyl alcohol) Using Taguchi Experimental DesignM.H. NavarchianS. MousazadehPoly(vinyl acetate) is synthesized via solution polymerization, and then it is converted to poly(vinyl alcohol) by alkaline alcoholysis. The aim of the work study was to investigate statistically the  influence of reaction variables in vinyl acetate polymerization, the conversion of this monomer to polymer, degree of branching of acetyl group in poly(vinyl acetate), as well as the molecular weight of poly(vinyl alcohol), using Taguchi experimental design approach. The reaction variables were polymerization time, molar ratio of initiator to monomer, and volume ratio of monomer to solvent. The statistical analysis of variance of the results revealed that all factors have significantly influenced the conversion and degree of branching. Volume ratio of monomer to solvent is the only factor affecting the molecular weight of poly(vinyl alcohol), and has the greatest influence on all responses. By increasing this ratio, the conversion, degree of branching of acetyl group in poly(vinyl acetate), and molecular weight of poly(vinyl alcohol) were increased.http://jips.ippi.ac.ir/article_705_1924974ca1a99799fd3b04fd336d4a0d.pdfpoly(vinyl acetate)poly(vinyl alcohol)molecular weightbranchingexperimental design
spellingShingle M.H. Navarchian
S. Mousazadeh
The Effects of Reaction Variables on Solution Polymerization of Vinyl Acetate and Molecular Weight of Poly(vinyl alcohol) Using Taguchi Experimental Design
علوم و تکنولوژی پلیمر
poly(vinyl acetate)
poly(vinyl alcohol)
molecular weight
branching
experimental design
title The Effects of Reaction Variables on Solution Polymerization of Vinyl Acetate and Molecular Weight of Poly(vinyl alcohol) Using Taguchi Experimental Design
title_full The Effects of Reaction Variables on Solution Polymerization of Vinyl Acetate and Molecular Weight of Poly(vinyl alcohol) Using Taguchi Experimental Design
title_fullStr The Effects of Reaction Variables on Solution Polymerization of Vinyl Acetate and Molecular Weight of Poly(vinyl alcohol) Using Taguchi Experimental Design
title_full_unstemmed The Effects of Reaction Variables on Solution Polymerization of Vinyl Acetate and Molecular Weight of Poly(vinyl alcohol) Using Taguchi Experimental Design
title_short The Effects of Reaction Variables on Solution Polymerization of Vinyl Acetate and Molecular Weight of Poly(vinyl alcohol) Using Taguchi Experimental Design
title_sort effects of reaction variables on solution polymerization of vinyl acetate and molecular weight of poly vinyl alcohol using taguchi experimental design
topic poly(vinyl acetate)
poly(vinyl alcohol)
molecular weight
branching
experimental design
url http://jips.ippi.ac.ir/article_705_1924974ca1a99799fd3b04fd336d4a0d.pdf
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AT mhnavarchian effectsofreactionvariablesonsolutionpolymerizationofvinylacetateandmolecularweightofpolyvinylalcoholusingtaguchiexperimentaldesign
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