The research of dibutyltin polymer on the thermal stability of PVC

The research of dibutyltin polymer on the thermal stability of PVC A novel series of polymeric thermal stabilizers were synthesized by radical solution polymerization using dibutyltin maleate (DBTM), styrene (St) as main comonomers, methyl acrylate (MA), N-phenylmaleimide (NPMI), N-p-chlorophenylmaleimide (NCPMI), N-(4-nitrophenyl)maleimide (NNOPMI) as modified monomers, respectively, and AIBN as the initiator, namely P(DBTM/St), P(DBTM/St/MA), P(DBTM/St/NPMI), P(DBTM/St/NCPMI), and P(DBTM/St/NNOPMI). The structures were characterized by FTIR and 1H NMR spectra. The molecular weight and its distribution were measured with GPC. The dynamic stability was studied by the measure of hydrogen chloride from PVC, which were added into quantitive thermal stabilizers before processing. The depressant effects of thermal stabilizers were researched on discoloration due to degradation with thermal aging method. The parameters of thermal degradation dynamics were calculated by the Kissinger method. The effect order of the five stabilizers on thermal stability was P(DBTM/St/MA) > P(DBTM/St) > P(DBTM/St/NPMI) > P(DBTM/St/NCPMI)> (DBTM/St/NNOPMI). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

The research of dibutyltin polymer on the thermal stability of PVC

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Publisher
Springer Journals
Copyright
Copyright © 2014 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427214110263
Publisher site
See Article on Publisher Site

Abstract

A novel series of polymeric thermal stabilizers were synthesized by radical solution polymerization using dibutyltin maleate (DBTM), styrene (St) as main comonomers, methyl acrylate (MA), N-phenylmaleimide (NPMI), N-p-chlorophenylmaleimide (NCPMI), N-(4-nitrophenyl)maleimide (NNOPMI) as modified monomers, respectively, and AIBN as the initiator, namely P(DBTM/St), P(DBTM/St/MA), P(DBTM/St/NPMI), P(DBTM/St/NCPMI), and P(DBTM/St/NNOPMI). The structures were characterized by FTIR and 1H NMR spectra. The molecular weight and its distribution were measured with GPC. The dynamic stability was studied by the measure of hydrogen chloride from PVC, which were added into quantitive thermal stabilizers before processing. The depressant effects of thermal stabilizers were researched on discoloration due to degradation with thermal aging method. The parameters of thermal degradation dynamics were calculated by the Kissinger method. The effect order of the five stabilizers on thermal stability was P(DBTM/St/MA) > P(DBTM/St) > P(DBTM/St/NPMI) > P(DBTM/St/NCPMI)> (DBTM/St/NNOPMI).

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Mar 3, 2015

References

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