Modification of sodium bicarbonate and its effect on foaming behavior of polypropylene

As a potential physical blowing agent, sodium bicarbonate (SB) is environmentally friendly and low in cost, but its low decomposition temperature cannot meet the requirements of polyolefin foam materials. Herein, for enhancing the thermal properties of SB, a modified way was offered to fabricate var...

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Autores principales:	Luo Dan, Pei Xianglin, Fu Hai, Yang Xin, Long Siyu, Zhang Linyu, Gong Wei
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	sodium bicarbonate epoxy resin thermal properties polypropylene foaming behavior Polymers and polymer manufacture TP1080-1185
Acceso en línea:	https://doaj.org/article/626cee81d56a487daaf896b7ef2e630f
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spelling	oai:doaj.org-article:626cee81d56a487daaf896b7ef2e630f2021-12-05T14:10:47ZModification of sodium bicarbonate and its effect on foaming behavior of polypropylene1618-722910.1515/epoly-2021-0032https://doaj.org/article/626cee81d56a487daaf896b7ef2e630f2021-05-01T00:00:00Zhttps://doi.org/10.1515/epoly-2021-0032https://doaj.org/toc/1618-7229As a potential physical blowing agent, sodium bicarbonate (SB) is environmentally friendly and low in cost, but its low decomposition temperature cannot meet the requirements of polyolefin foam materials. Herein, for enhancing the thermal properties of SB, a modified way was offered to fabricate various SB-based capsules via suspension polymerization. As the modified SB-based capsules, epoxy resin (EP) accompanied with several organic acids was successfully coated on the surface of SB, serving as heat-insulation layer of SB. Various physicochemical characterizations provided reliable evidences for the good coating effect, and the thermal performance of the modified SB was improved. Further, the composite SB capsules were applied for the foaming of polypropylene (PP), and the foaming behavior of the SB-based capsules in PP was significantly improved, with more uniform distribution, smaller cell diameter, and higher cell density. In all, this work fully proved that the coated shells enhanced the thermal properties of SB, and the modified SB capsules significantly improved the foaming quality of foamed PP.Luo DanPei XianglinFu HaiYang XinLong SiyuZhang LinyuGong WeiDe Gruyterarticlesodium bicarbonateepoxy resinthermal propertiespolypropylenefoaming behaviorPolymers and polymer manufactureTP1080-1185ENe-Polymers, Vol 21, Iss 1, Pp 366-376 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	sodium bicarbonate epoxy resin thermal properties polypropylene foaming behavior Polymers and polymer manufacture TP1080-1185
spellingShingle	sodium bicarbonate epoxy resin thermal properties polypropylene foaming behavior Polymers and polymer manufacture TP1080-1185 Luo Dan Pei Xianglin Fu Hai Yang Xin Long Siyu Zhang Linyu Gong Wei Modification of sodium bicarbonate and its effect on foaming behavior of polypropylene
description	As a potential physical blowing agent, sodium bicarbonate (SB) is environmentally friendly and low in cost, but its low decomposition temperature cannot meet the requirements of polyolefin foam materials. Herein, for enhancing the thermal properties of SB, a modified way was offered to fabricate various SB-based capsules via suspension polymerization. As the modified SB-based capsules, epoxy resin (EP) accompanied with several organic acids was successfully coated on the surface of SB, serving as heat-insulation layer of SB. Various physicochemical characterizations provided reliable evidences for the good coating effect, and the thermal performance of the modified SB was improved. Further, the composite SB capsules were applied for the foaming of polypropylene (PP), and the foaming behavior of the SB-based capsules in PP was significantly improved, with more uniform distribution, smaller cell diameter, and higher cell density. In all, this work fully proved that the coated shells enhanced the thermal properties of SB, and the modified SB capsules significantly improved the foaming quality of foamed PP.
format	article
author	Luo Dan Pei Xianglin Fu Hai Yang Xin Long Siyu Zhang Linyu Gong Wei
author_facet	Luo Dan Pei Xianglin Fu Hai Yang Xin Long Siyu Zhang Linyu Gong Wei
author_sort	Luo Dan
title	Modification of sodium bicarbonate and its effect on foaming behavior of polypropylene
title_short	Modification of sodium bicarbonate and its effect on foaming behavior of polypropylene
title_full	Modification of sodium bicarbonate and its effect on foaming behavior of polypropylene
title_fullStr	Modification of sodium bicarbonate and its effect on foaming behavior of polypropylene
title_full_unstemmed	Modification of sodium bicarbonate and its effect on foaming behavior of polypropylene
title_sort	modification of sodium bicarbonate and its effect on foaming behavior of polypropylene
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/626cee81d56a487daaf896b7ef2e630f
work_keys_str_mv	AT luodan modificationofsodiumbicarbonateanditseffectonfoamingbehaviorofpolypropylene AT peixianglin modificationofsodiumbicarbonateanditseffectonfoamingbehaviorofpolypropylene AT fuhai modificationofsodiumbicarbonateanditseffectonfoamingbehaviorofpolypropylene AT yangxin modificationofsodiumbicarbonateanditseffectonfoamingbehaviorofpolypropylene AT longsiyu modificationofsodiumbicarbonateanditseffectonfoamingbehaviorofpolypropylene AT zhanglinyu modificationofsodiumbicarbonateanditseffectonfoamingbehaviorofpolypropylene AT gongwei modificationofsodiumbicarbonateanditseffectonfoamingbehaviorofpolypropylene
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Modification of sodium bicarbonate and its effect on foaming behavior of polypropylene

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