PREPARATION AND PROPERTIES OF DIFFERENT FUNCTIONAL GROUP CONTAINING STYRENE BUTADIENE RUBBER

Chemically modified styrene butadiene rubber (SBR) with nitro and chloro functionalities are prepared by the nitromercuration reaction of SBR through a phase transfer catalyst. Activation energy for this chemical reaction calculated from the time temperature data on the chemical reaction by the meas...

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Autores principales:	RAMESAN,M. T, ANIL KUMAR,T
Lenguaje:	English
Publicado:	Sociedad Chilena de Química 2009
Materias:	Styrene butadiene rubber nitromercuration activation energy glass transition thermal flammability mechanical properties
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072009000100006
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spelling	oai:scielo:S0717-970720090001000062009-05-12PREPARATION AND PROPERTIES OF DIFFERENT FUNCTIONAL GROUP CONTAINING STYRENE BUTADIENE RUBBERRAMESAN,M. TANIL KUMAR,T Styrene butadiene rubber nitromercuration activation energy glass transition thermal flammability mechanical properties Chemically modified styrene butadiene rubber (SBR) with nitro and chloro functionalities are prepared by the nitromercuration reaction of SBR through a phase transfer catalyst. Activation energy for this chemical reaction calculated from the time temperature data on the chemical reaction by the measurement of percentage of chlorine indicated that the reaction proceeded according to fist order kinetics. The chemical modification is characterized by FTIR, UV, NMR studies reveal the attachment functional group such as nitro and chloro group to the double bond of butadiene moiety. The glass transition temperature of the functionalized SBR is analyzed using differential scarming calorimetry. Thermogravimetric analysis (TGA) of the modified SBR is investigated in orderto study the basic decomposition pattern and thermal stability of the materials. Chemical modification of SBR is accompanied by a reduction of double bond which imparts excellent tensile strength. The fíame resistances of the modified samples are analyzed by the limiting oxygenindex value (LOI) and the result of the studies show that as the level modification increases the tendency of ealstomeric material to burn decreases.info:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.54 n.1 20092009-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072009000100006en10.4067/S0717-97072009000100006
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Styrene butadiene rubber nitromercuration activation energy glass transition thermal flammability mechanical properties
spellingShingle	Styrene butadiene rubber nitromercuration activation energy glass transition thermal flammability mechanical properties RAMESAN,M. T ANIL KUMAR,T PREPARATION AND PROPERTIES OF DIFFERENT FUNCTIONAL GROUP CONTAINING STYRENE BUTADIENE RUBBER
description	Chemically modified styrene butadiene rubber (SBR) with nitro and chloro functionalities are prepared by the nitromercuration reaction of SBR through a phase transfer catalyst. Activation energy for this chemical reaction calculated from the time temperature data on the chemical reaction by the measurement of percentage of chlorine indicated that the reaction proceeded according to fist order kinetics. The chemical modification is characterized by FTIR, UV, NMR studies reveal the attachment functional group such as nitro and chloro group to the double bond of butadiene moiety. The glass transition temperature of the functionalized SBR is analyzed using differential scarming calorimetry. Thermogravimetric analysis (TGA) of the modified SBR is investigated in orderto study the basic decomposition pattern and thermal stability of the materials. Chemical modification of SBR is accompanied by a reduction of double bond which imparts excellent tensile strength. The fíame resistances of the modified samples are analyzed by the limiting oxygenindex value (LOI) and the result of the studies show that as the level modification increases the tendency of ealstomeric material to burn decreases.
author	RAMESAN,M. T ANIL KUMAR,T
author_facet	RAMESAN,M. T ANIL KUMAR,T
author_sort	RAMESAN,M. T
title	PREPARATION AND PROPERTIES OF DIFFERENT FUNCTIONAL GROUP CONTAINING STYRENE BUTADIENE RUBBER
title_short	PREPARATION AND PROPERTIES OF DIFFERENT FUNCTIONAL GROUP CONTAINING STYRENE BUTADIENE RUBBER
title_full	PREPARATION AND PROPERTIES OF DIFFERENT FUNCTIONAL GROUP CONTAINING STYRENE BUTADIENE RUBBER
title_fullStr	PREPARATION AND PROPERTIES OF DIFFERENT FUNCTIONAL GROUP CONTAINING STYRENE BUTADIENE RUBBER
title_full_unstemmed	PREPARATION AND PROPERTIES OF DIFFERENT FUNCTIONAL GROUP CONTAINING STYRENE BUTADIENE RUBBER
title_sort	preparation and properties of different functional group containing styrene butadiene rubber
publisher	Sociedad Chilena de Química
publishDate	2009
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072009000100006
work_keys_str_mv	AT ramesanmt preparationandpropertiesofdifferentfunctionalgroupcontainingstyrenebutadienerubber AT anilkumart preparationandpropertiesofdifferentfunctionalgroupcontainingstyrenebutadienerubber
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PREPARATION AND PROPERTIES OF DIFFERENT FUNCTIONAL GROUP CONTAINING STYRENE BUTADIENE RUBBER

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