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Yujia Chen, Wei Tan, Li Li and Hongbing Ji
It is a challenge to research and develop silicon surfactants with good acid and alkali stability. In the present paper, methylpropenyl polyether modified nonionic silicone surfactant (MPNTS), an alkali-resistant and hydrolysis-resistant silicone surfact...
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Eka Nur'azmi Yunira, Ani Suryani, Dadang Dadang, Silvester Tursiloadi
Pág. 85 - 91
Size reduction of pesticide formulation can improve its performance to pest and disease control in plant. Size reduction methods were high speed agitation, ultrasonic emulsification, high pressure homogenization, microfluidic and membrane emulsific...
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Tatyana Maglyovana,Taras Nyzhnyk,Serhiy Stas,Denis Kolesnikov,Tatyana Strikalenko
Pág. 20 - 25
This study has established the possibility of obtaining water extinguishing agents, which can reduce hydraulic resistance (with the Toms effect) by using guanidine derivatives.A cationic polyhexamethylene guanidine hydrochloride surfactant with a molecul...
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Stefania Gheorghe, Daniel N. Mitroi, Miruna S. Stan, Cristina A. Staicu, Marius Cicirma, Irina E. Lucaciu, Mihai Nita-Lazar and Anca Dinischiotu
Benzenthonium chloride (BEC, Hyamine 1622) is a quaternary ammonium surfactant with cationic properties widely used in cleaning, sanitation, and medical products that can become harmful to humans and also to the environment. This study aimed to evaluate ...
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Amélia M. Silva, Carlos Martins-Gomes, Tiago E. Coutinho, Joana F. Fangueiro, Elena Sanchez-Lopez, Tatiana N. Pashirova, Tatiana Andreani and Eliana B. Souto
The surface properties of nanoparticles have decisive influence on their interaction with biological barriers (i.e., living cells), being the concentration and type of surfactant factors to have into account. As a result of different molecular structure,...
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Nathália Sá Alencar do Amaral Marques, Thayse Alves de Lima e Silva, Rosileide Fontenele da Silva Andrade, Jeann Fabiann Branco Júnior, Kaoru Okada, Galba Maria Campos Takaki
Pág. e38986
Biosurfactants are molecules synthesized by a wide variety of microorganisms They are characterized by the ability to reduce surface tension and act in the dispersion, solubilization, mobilization, removal and viscosity of petroleum and its derivat...
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Dong Chen, Feng Li, Yingxin Gao and Min Yang
Purification of produced water (PW) from polymer/surfactant flooding is a challenge for the petroleum industry due to the high emulsion stability. Demulsification using chemical demulsifiers has been expected to be an effective way to treat PW. In this p...
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Yingying Zhou, Zhenghua Wang, Andrew Hursthouse and Bozhi Ren
Gemini surfactants, with double hydrophilic and hydrophobic groups, offer potentially orders of magnitude greater surface activity compared to similar single unit molecules. A cationic Gemini surfactant (Propyl didodecyldimethylammonium Bromide, PDDDAB) ...
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Claudine Filiâtre, Céline Pignolet and Cédric C. Buron
Research into the micro-nanostructured coatings process has made a variety of new applications available. Electrophoretic deposition (EPD) is an efficient and attractive technique to produce coated materials. Therefore the understanding of the formation ...
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Raymond Sieh and Huirong Le
The effects of FC-4 cationic surfactant on electrodeposited Ag?PTFE composite coating using direct or pulsed currents were studied using scanning electron microscope (SEM), energy dispersive X-ray (EDS), optical microscope, and a linear tribometer. FC-4:...
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