Microencapsulation of pendimethalin with polyurethane-urea and determination of its stability

In this study, pendimethalin (PM) used as an herbicide was encapsulated using interfacial polymerization method. The size, shell thickness, microencapsulation efficiency, the effect of mixing speed on capsule size and active substance release times of the produced microcapsules were investigated. Po...

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Autores principales:	Hatice Yılmaz, Hüseyin Enginar, Cemal Çifci
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2021
Materias:	microencapsulation pendimethalin polyurethane-urea Science (General) Q1-390
Acceso en línea:	https://doaj.org/article/73b983e2def4448a8781eef03e015fbf
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spelling	oai:doaj.org-article:73b983e2def4448a8781eef03e015fbf2021-11-11T14:23:41ZMicroencapsulation of pendimethalin with polyurethane-urea and determination of its stability1658-365510.1080/16583655.2021.1985861https://doaj.org/article/73b983e2def4448a8781eef03e015fbf2021-01-01T00:00:00Zhttp://dx.doi.org/10.1080/16583655.2021.1985861https://doaj.org/toc/1658-3655In this study, pendimethalin (PM) used as an herbicide was encapsulated using interfacial polymerization method. The size, shell thickness, microencapsulation efficiency, the effect of mixing speed on capsule size and active substance release times of the produced microcapsules were investigated. Polyurethane-urea resin, which is the main component of the capsule shell, was synthesized using isocyanate / glycol / amine at different molar ratio at 55°C for 180 min. It was measured that the microencapsulation efficiency was 53.2–89.1% and the microcapsule shell thickness was 399.7–1479.0 nm. The lowest and highest release percentages of microcapsules under alcohol-water and ultraviolet (UV) light for 4 h at 20°C were found to be 30.79% and 40.12%, respectively. It has been found that the microcapsules containing ethyl glycol in the capsule wall composition had the highest stability, and the capsules containing PEG-400 in the capsule wall structure had the highest capsulation efficiency.Hatice YılmazHüseyin EnginarCemal ÇifciTaylor & Francis Grouparticlemicroencapsulationpendimethalinpolyurethane-ureaScience (General)Q1-390ENJournal of Taibah University for Science, Vol 15, Iss 1, Pp 685-694 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	microencapsulation pendimethalin polyurethane-urea Science (General) Q1-390
spellingShingle	microencapsulation pendimethalin polyurethane-urea Science (General) Q1-390 Hatice Yılmaz Hüseyin Enginar Cemal Çifci Microencapsulation of pendimethalin with polyurethane-urea and determination of its stability
description	In this study, pendimethalin (PM) used as an herbicide was encapsulated using interfacial polymerization method. The size, shell thickness, microencapsulation efficiency, the effect of mixing speed on capsule size and active substance release times of the produced microcapsules were investigated. Polyurethane-urea resin, which is the main component of the capsule shell, was synthesized using isocyanate / glycol / amine at different molar ratio at 55°C for 180 min. It was measured that the microencapsulation efficiency was 53.2–89.1% and the microcapsule shell thickness was 399.7–1479.0 nm. The lowest and highest release percentages of microcapsules under alcohol-water and ultraviolet (UV) light for 4 h at 20°C were found to be 30.79% and 40.12%, respectively. It has been found that the microcapsules containing ethyl glycol in the capsule wall composition had the highest stability, and the capsules containing PEG-400 in the capsule wall structure had the highest capsulation efficiency.
format	article
author	Hatice Yılmaz Hüseyin Enginar Cemal Çifci
author_facet	Hatice Yılmaz Hüseyin Enginar Cemal Çifci
author_sort	Hatice Yılmaz
title	Microencapsulation of pendimethalin with polyurethane-urea and determination of its stability
title_short	Microencapsulation of pendimethalin with polyurethane-urea and determination of its stability
title_full	Microencapsulation of pendimethalin with polyurethane-urea and determination of its stability
title_fullStr	Microencapsulation of pendimethalin with polyurethane-urea and determination of its stability
title_full_unstemmed	Microencapsulation of pendimethalin with polyurethane-urea and determination of its stability
title_sort	microencapsulation of pendimethalin with polyurethane-urea and determination of its stability
publisher	Taylor & Francis Group
publishDate	2021
url	https://doaj.org/article/73b983e2def4448a8781eef03e015fbf
work_keys_str_mv	AT haticeyılmaz microencapsulationofpendimethalinwithpolyurethaneureaanddeterminationofitsstability AT huseyinenginar microencapsulationofpendimethalinwithpolyurethaneureaanddeterminationofitsstability AT cemalcifci microencapsulationofpendimethalinwithpolyurethaneureaanddeterminationofitsstability
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Microencapsulation of pendimethalin with polyurethane-urea and determination of its stability

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