handbook of microemulsion science and technology pdf

Handbook of microemulsion science and technology pdf

File Name: handbook of microemulsion science and technology .zip
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Published: 24.05.2021

Introduction

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Along a formulation scan, solubilization is maximal when a bicontinuous microemulsion is in equilibrium with both oil and water excess phases in a so-called Winsor III system. The logical way to enhance solubilization is to increase the interaction of the surfactant for both the oil and water phases, which can be easily attained by increasing the size of both the head and tail groups.

Introduction

Cosmetic Science and Technology: Theoretical Principles and Applications covers the fundamental aspects of cosmetic science that are necessary to understand material development, formulation, and the dermatological effects that result from the use of these products. The book fulfills this role by offering a comprehensive view of cosmetic science and technology, including environmental and dermatological concerns. As the cosmetics field quickly applies cutting-edge research to high value commercial products that have a large impact in our lives and on the world's economy, this book is an indispensable source of information that is ideal for experienced researchers and scientists, as well as non-scientists who want to learn more about this topic on an introductory level. Chemical engineers, chemists, physical chemists and cosmetic chemists in cosmetics research and development, dermatologists, toxicologists. Chapter 1.

Benders'Dictionary of Nutrition and Food Technology. Current Protocols in Protein Science. Femtosecond Real-time spectroscopy of small molecules and culters. Food Chemistry- The New Chemistry. Food Flavours- Biology and Chemistry.

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Addagalla, Ajay Kumar V. Minimizing formation damage is an important parameter to be considered to have expected production rates. Formation damage can happen at any phase during drilling, completion or production and is attributed by too many factors. Formation protection is critical while drilling the production zone because damage to the formation can adversely affect the well's production potential. Damage to the pay zone, including fine solids migration into the formation permeability channels, in-situ emulsions, water block, organic deposition, oily debris, clay swelling within the formation pore spaces and irreversible reactions with invading polymers, reduce the average permeability of the formation, resulting in lower production rates. Micro-Emulsion fluids are thermodynamically stable, optically transparent solutions comprising two immiscible fluids.

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These problems may also occur during remediation or stimulation operations, if the treatment fluid is not properly designed. The principal formation damage mechanisms that lead to these problems are in-situ emulsions, wettability changes, water blocks and scale formation. It is recognized that such reservoir damage can be removed or prevented using microemulsion technology that leads to more productive oil and gas wells. The challenge is to design and select an optimized microemulsion system based on the reservoir conditions, such as the bottomhole temperature and the individual compositions of the crude oil, formation water, and the drilling and completion fluids. A well-designed treatment fluid should provide ultra-low interfacial tension, high oil solubilization and total compatibility with all fluids it encounters.

Objective: The aim of the present study was to formulate a microemulsion for the oral delivery of Glipizide. Methods: Microemulsion systems composed of oleic acid, isopropyl myristate as oils; tween 80, span 20 and cremophor EL as surfactants; propylene glycol, isopropyl alcohol as cosurfactants were investigated as potential drug delivery vehicle for delivery for glipizide. Results: The results of electrical conductivity clearly indicated the structural inversion. Based on in vitro release studies f3, f12, f22 formulations were chosen.

Darugar, Qusai A. Decreases in hydrocarbon production can be attributed to depletion in formation pressures or flow restrictions caused by formation damage. Some of the most common causes of formation damage affecting permeability include the buildup of in-situ emulsions due to crude oil interaction with drilling and completion fluids, water blockage, asphaltene and paraffin deposition and alteration of near-wellbore wettability. In new wells, near-wellbore formation damage may be caused by emulsion blockages when the whole mud, mud filtrate or completion fluids interact with the formation fluids. Chemical treatments have been widely used to remediate damaged formations, with varying degrees of effectiveness.

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