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Journal articles on the topic 'Emulsion lipophile-hydrophile'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Tubtimsri, Sukannika, Chutima Limmatvapirat, Pornsak Sriamornsak, and Sontaya Limmatvapirat. "Determination of Required Hydrophile-Lipophile Balance Value of Modified Coconut Oil." Advanced Materials Research 1060 (December 2014): 172–75. http://dx.doi.org/10.4028/www.scientific.net/amr.1060.172.

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Hydrophile–lipophile balance (HLB) is a key parameter for formulation of emulsions. Recently, modified coconut oil (MCO) was successfully developed as antimicrobial oil and was attempted to use as active ingredient in emulsions. Therefore, the aim of this study was to determine the required HLB of MCO. The emulsions was produced with different ratios of emulsifier mixtures of Tween® 80 and Span® 80 , giving HLB from 4.3 to 15.0 and was investigated in respect of their emulsions stability. The result showed that an emulsion with HLB value of 12 demonstrated the most stable in terms of smallest

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2

Davis, H. T. "Factors determining emulsion type: Hydrophile—lipophile balance and beyond." Colloids and Surfaces A: Physicochemical and Engineering Aspects 91 (November 1994): 9–24. http://dx.doi.org/10.1016/0927-7757(94)02929-6.

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3

Wang, Xiang Yu, Zuo Gang Guo, and Shu Rong Wang. "Emulsion Fuels Production between Diesel and Bio-Oil Middle Fraction from Molecular Distillation." Advanced Materials Research 534 (June 2012): 151–55. http://dx.doi.org/10.4028/www.scientific.net/amr.534.151.

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In this paper, emulsification study on bio-oil middle fraction and diesel was carried out. Mechanical and ultrasound emulsification technologies were used to prepare emulsion fuels between bio-oil middle fraction and diesel with different hydrophile and lipophile balance (HLB) values. It was found that the stability curve of emulsions had two peaks corresponding to the HLB values of 4.3 and 6, respectively. Comparable to the mechanical emulsions, the ultrasound emulsions had longer stable time. The stable time for ultrasound emulsions at the HLB values of 4.3 and 6 were 215 minutes and 143 min

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4

Thayee Al-Janabi, Omer Yasin, Miran Sabah Ibrahim, Ibrahim F. Waheed, Amanj Wahab Sayda, and Peter Spearman. "Breaking water-in-oil emulsion of Northern Iraq’s crude oil using commercial polymers and surfactants." Polymers and Polymer Composites 28, no. 3 (2019): 187–98. http://dx.doi.org/10.1177/0967391119868118.

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Water (W) and oil (O) normally mix during production and while passing through valves and pumps to form a persistent water-in-oil (W/O) emulsion, which is a serious restriction in oil production and transporting and refining processes. The objective of this work is to treat emulsions of two crude oil samples labeled KD1 and DGH2 using commercial polymers and surfactants which are also known as demulsifiers. Hydrophile–lipophile balance (HLB) in the demulsifier structure has demonstrated a great effect on breaking W/O emulsion. Emulsion breakers with low HLB value showed better reduction in the

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5

Gu, Yue Ling, Qian Qian Yin, Shu Rong Wang, Xin Bao Li, Zuo Gang Guo, and Zhong Yang Luo. "Experimental Study on the Physico-Chemical Properties of Bio-Oil and Diesel Emulsification." Advanced Materials Research 433-440 (January 2012): 94–99. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.94.

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Experimental study on the physico-chemical properties of bio-oil and diesel emulsification has been carried out in this paper, which was based on the preliminary experiment. The effect of surface tension and viscosity on the stability of emulsions were particular concerned. It was found that the longest stable time, the lowest viscosity and lowest surface tension can be obtained simultaneously when the hydrophile and lipophile balance (HLB) value was of the optimal value, i.e. 6.5. Experimental results indicated that the stable time of emulsion decreased rapidly with the increase of bio-oil co

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6

Wu, Ming Hua, Jian Peng Dong, Dong Ming Qi, Chong Qian, and Xin Jiang. "Influence of the Hydrophile-Lipophile Property of Cross-Linker on the Properties of Acrylate Latex and its Film." Advanced Materials Research 441 (January 2012): 466–72. http://dx.doi.org/10.4028/www.scientific.net/amr.441.466.

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A series of acrylate latexes for pigment printing binder were prepared by semi-continuous pre-emulsifying emulsion polymerization, using lipophilic glycidyl meth-acrylate (GMA), ethylene glycol dimethyl acrylate (EGDMA) and hydrophilic HA (containing hydroxyl, acylamino), N-methylol acrylamide (NMA) as cross-linking monomer. The influences of cross-linker type on the particle size, viscosity and film-forming rate of latex, cross-linking degree and tensile properties of latex film were studied. It was found that the latex particle size, viscosity and film-forming rate were closely related with

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7

., T. Mahboob, M. Arshad ., H. Afzal ., and M. Siddique . "Preparation and Evaluation of Newcastle Disease Oil Emulsion Vaccine at Hydrophile Lipophile Balance 7.0 Using Mukteswar Strain." Pakistan Journal of Biological Sciences 2, no. 2 (1999): 487–89. http://dx.doi.org/10.3923/pjbs.1999.487.489.

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8

Stone, Henry D. "Optimization of Hydrophile-Lipophile Balance for Improved Efficacy of Newcastle Disease and Avian Influenza Oil-Emulsion Vaccines." Avian Diseases 32, no. 1 (1988): 68. http://dx.doi.org/10.2307/1590950.

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9

Li, Wai, Xionghu Zhao, Yihui Ji, et al. "Investigation of Biodiesel-Based Drilling Fluid, Part 1: Biodiesel Evaluation, Invert-Emulsion Properties, and Development of a Novel Emulsifier Package." SPE Journal 21, no. 05 (2016): 1755–66. http://dx.doi.org/10.2118/180918-pa.

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Summary As a type of mono-alkyl ester, biodiesel exhibits great potential to serve as the base oil of drilling fluids substituting for conventional oil-based drilling fluids (OBDFs). This paper presents a series of laboratory investigations of water-in-biodiesel (invert) emulsion as the basis of a high-performance, environmentally friendly, and low-cost biodiesel-based drilling fluid (BBDF). Biodiesel produced from waste cooking oil was used to formulate a BBDF because of its high flashpoint, reliable storage stability, acceptable elastomeric material compatibility, nontoxicity, and excellent

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10

Momoh, Mumuni A., Salome A. Chime, Daniel U. Ogbodo, et al. "Biochemical, rheological and hydrophile-lipophile balance (HLB) evaluation of Archachatina marginata (snail) mucin extract for possible nutraceutical and nano biopharmaceutical applications." Tropical Journal of Pharmaceutical Research 18, no. 5 (2021): 927–34. http://dx.doi.org/10.4314/tjpr.v18i5.3.

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Purpose: To evaluate the rheological, biochemical, hydrophile-lipophile balance (HLB) of Archachatina marginata (snail) mucin extract for possible use as a nutraceutical and nano biopharmaceutical material. Methods: Snail mucin was extracted with acetone and water, lyophilized and the biochemical, proximate and mineral analyses of the extracts were studied using standard methods. The rheological properties of the extracts (1, 2, 4 and 8 % w/v) and their emulsion-based preparations were evaluated. Other physicochemical properties and HLB values of the preparations were also determined.&#x

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11

Babak, Valery G., Ruxandra Gref, and Edith Dellacherie. "The effect of hydrophile–lipophile balance of water-soluble poly(ethylene glycol)–poly(lactic acid) diblock copolymers on the stability of microscopic emulsion films and nanoemulsions." Mendeleev Communications 8, no. 3 (1998): 105–7. http://dx.doi.org/10.1070/mc1998v008n03abeh000957.

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12

Yang, Ya-Wun, An-Chi Wei, and Shan-Shan Shen. "The immunogenicity-enhancing effect of emulsion vaccine adjuvants is independent of the dispersion type and antigen release rate—a revisit of the role of the hydrophile–lipophile balance (HLB) value." Vaccine 23, no. 20 (2005): 2665–75. http://dx.doi.org/10.1016/j.vaccine.2004.09.007.

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13

Leal, Leila Bastos, Giovana Damasceno Sousa, Karoline Belém Seixas, Pedro Henrique Nogueira de Souza, and Davi Pereira de Santana. "Determination of the critical hydrophile-lipophile balance of licuri oil from Syagrus coronata: application for topical emulsions and evaluation of its hydrating function." Brazilian Journal of Pharmaceutical Sciences 49, no. 1 (2013): 167–73. http://dx.doi.org/10.1590/s1984-82502013000100018.

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The aims of this study were to determine the critical hydrophile-lipophile balance (HLB) of licuri oil, and to perform a clinical assay to evaluate its hydrating effects. For the determination of the HLB, serial emulsions were prepared with the oil. Regarding the clinical study, 13 human subjects were recruited to evaluate the hydrating power of the emulsified preparation containing licuri oil, and comparing it with the same preparation containing sweet almond oil (SAO). The critical HLB of licuri oil was represented by the zones within the concentrations of 10% for the oil and 15% for the pai

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14

Mkhize, J. N., and A. P. Gupta. "The importance of formulating insect growth regulators with surfactants and their blends for the control of the rice weevil, Sitophilus oryzae (L.) (Coleoptera: Curculionidae)." Insect Science and Its Application 6, no. 2 (1985): 183–86. http://dx.doi.org/10.1017/s1742758400006603.

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AbstractThe use of surfactants and their blends to improve the penetration of two insect growth regulators (IGRs; hydroprene and R-20458) into wheat kernels was investigated. It was found that formulation of IGRs with a surfactant, Tween-85 (polyoxyethylene trioleate), increased mortality and/or effectiveness of the IGRs. Formulation of hydroprene with a blend of Span-80 (sorbitan monooleate) with Tween-80 (polyoxyethylene monooleate) produced results comparable to those by hydroprene with Tween-85. However, formulations of IGRs with surfactants with high or low hydrophile-lipophile balance (H

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15

Ojinnaka, C. M., J. A. Ajienka, O. J. Abayeh, L. C. Osuji, and R. U. Duru. "Formulation of best-fit hydrophile/lipophile balance-dielectric permittivity demulsifiers for treatment of crude oil emulsions." Egyptian Journal of Petroleum 25, no. 4 (2016): 565–74. http://dx.doi.org/10.1016/j.ejpe.2015.12.005.

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16

Losada-Barreiro, Sonia, Verónica Sánchez-Paz та Carlos Bravo-Díaz. "Effects of emulsifier hydrophile–lipophile balance and emulsifier concentration on the distributions of gallic acid, propyl gallate, and α-tocopherol in corn oil emulsions". Journal of Colloid and Interface Science 389, № 1 (2013): 1–9. http://dx.doi.org/10.1016/j.jcis.2012.07.036.

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17

Nollet, M., H. Boulghobra, E. Calligaro, and J. ‐D Rodier. "An efficient method to determine the Hydrophile‐Lipophile Balance of surfactants using the phase inversion temperature deviation of C i E j / n ‐octane/water emulsions." International Journal of Cosmetic Science 41, no. 2 (2019): 99–108. http://dx.doi.org/10.1111/ics.12516.

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18

ZANIN, S. M. W., M. D. MIGUEL, M. C. CHIMELLI, and A. B. OLIVEIRA. "DETERMINAÇÃO DO EQUILÍBRIO HIDRÓFILO-LIPÓFILO (EHL) DE ÓLEOS DE ORIGEM VEGETAL." Visão Acadêmica 3, no. 1 (2002). http://dx.doi.org/10.5380/acd.v3i1.494.

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A estabilidade das emulsões depende intrìnsecamente da interação interfásica estabelecida pelo agente emulsivo, composto anfifílico, entre as fases imiscíveis que as constituem. A escolha, proporção e a característica do tensoativo a ser utilizado na preparação da emulsão almejada, são previstas pormeio da verificação dos valores de equilíbrio hidrófilo-lipófilo (EHL) das substâncias envolvidas, o que permite predizer o tipo de comportamento esperado do composto frente a substâncias polares ou apolares. Os tensoativos devem apresentar valor de EHL equivalente ao da fase dispersa, para poder ma

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