| Description |
1 online resource (xviii, 180 pages) : illustrations (some color) |
| Series |
Springer laboratory |
|
Springer laboratory.
|
| Contents |
Cover -- Table of Contents -- 1 INTRODUCTION -- 2 A TRIP BACK IN TIME -- 3 SKIN AND ITS CARE -- 4 EMULSIONS -- SOME THEORETICAL ASPECTS -- 4.1 Physicochemical Structure of Cosmetic Products -- 4.2 Modern Emulsifiers -- 4.3 Skin Care and Cleansing -- 4.4 Microemulsions -- 4.5 Emulsifier-Free Products -- 4.6 Production of Emulsions -- 4.7 Processes Occurring During Emulsification -- 4.8 Serrated Disc Disperser -- 5 BASIC PHYSICAL AND MATHEMATICAL PRINCIPLES -- 5.1 Important Definitions -- 5.2 One-Dimensional Parallel Plates Model -- 5.3 Parallel Plate Measuring System -- 5.4 Cone-Plate Measuring System -- 5.5 Coaxial Cylinder Systems -- 5.6 Double Gap Measuring System -- 5.7 Flow Through Circular Capillary -- 5.8 Correction Methods -- 5.8.1 PP Measurement System -- 5.8.2 Cylinder Measurement Systems -- 5.8.3 Circular Capillaries -- 5.9 Deformation and Relaxation -- 5.10 Thixotropy and Rheopexy -- 5.11 Vibration or Oscillation Measurements -- 5.11.1 Steady and Dynamic Stress -- 5.11.2 Ideal Elastic Solids -- 5.11.3 IdealViscous Fluids -- 5.11.4 Real Solids -- 5.11.5 Complex Representation -- 6 MEASURING INSTRUMENTS -- 6.1 Modern Rheometer -- 6.2 High Shear Rheometer -- 6.3 Standard Viscometer -- 6.4 Often Used Viscometer -- 6.5 Automatic Sampler -- 6.6 In-process In-/On-line Viscosity Measurements -- 6.7 Future Prospects -- 7 MOST IMPORTANT TESTMETHODS -- 7.1 Stress Ramp Test -- 7.2 Newtonian Flow Behavior -- 7.3 Creep Test and Creep Recovery -- 7.4 The Ideal Elastic Behavior -- 7.5 The Ideal Viscous Behavior -- 7.6 Real Viscoelastic Behavior -- 7.7 Steady Flow Curve -- 7.8 Amplitude Dependence -- 7.9 Structure Breakdown and Build Up -- 7.10 Time Dependence -- 7.11 Frequency Test -- 7.12 Temperature Dependence -- 7.13 Combined Temperature-Time Test -- 8 ANALYSIS OFMEASURING RESULTS AND CORRELATIONS WITH OTHER TESTS -- 8.1 Yield Stress -- 8.1.1 Correlations of the Yield Stress with the Primary Skin Feel -- 8.1.2 Optimization of the Stress Ramp Test -- 8.1.3 Residue Emptying -- 8.1.4 Energy Input -- 8.1.5 Droplet Sizes and their Distribution -- 8.1.6 Pumpability of Cosmetic Emulsions -- 8.1.7 Stability Studies Using Yield StressMeasurements -- 8.1.8 ResultsObtained -- 8.2 Steady Flow -- 8.2.1 Determination of the Measuring Time -- 8.2.2 Temperature Dependence of the Dynamic Viscosity -- 8.2.3 Secondary Skin Feel -- 8.3 OscillatoryMeasurements -- 8.3.1 TemperatureDependence of the Moduli -- 8.3.2 Temperature Stability -- 8.3.3 Rheological Swing Test for Temperature Stability -- 8.4 Time Temperature Superposition (TTS) -- 8.4.1 Softening Point -- 8.4.2 Freezing Point -- 8.4.3 Determination of the Master Curve at Cons |
| Summary |
Cosmetic emulsions exist today in many forms for a wide variety of applications, including face and hand creams for normal, dry or oily skin, body milks and lotions, as well as sun-block products. Keeping track of them and their properties is not always easy despite informative product names or partial names (e.g. hand or face cream) that clearly indicate their use and properties. This practical manual provides a detailed overview that describes the key properties and explains how to measure them using modern techniques. Written by an expert in flows and flow properties, it focuses on the application of rheological (flow) measurements to cosmetic and food emulsions and the correlation of these results with findings from other tests. Beginning with a brief history of rheology and some fundamental principles, the manual describes in detail the use of modern viscometers and rheometers, including concise explanations of the different available instruments. But the focus remains on practical everyday lab procedures: how to characterize cosmetic and food emulsions with different rheological tests such as temperature, time, stress and strain, both static and dynamic. Also the critical topic of how the results correlate with other important product characteristics, for instance, skin sensation, pumping performance, stability etc. is carefully explored. Many pictures, illustrations, graphs and tables help readers new to the measurement of cosmetic emulsions in their daily work as well as to the more experienced who seek additional special tips and tricks Publisher description |
| Analysis |
chemie |
|
chemistry |
|
biochemie |
|
biochemistry |
|
condenseren |
|
condensation |
|
voedselwetenschappen |
|
food sciences |
|
polymeren |
|
polymers |
|
analytische scheikunde |
|
analytical chemistry |
|
Chemistry (General) |
|
Chemie (algemeen) |
| Bibliography |
Includes bibliographical references (pages 173-176) and index |
| Notes |
Print version record |
| Subject |
Rheology.
|
|
Cosmetics -- Viscosity -- Measurement
|
|
Food -- Viscosity -- Measurement
|
|
Fluid dynamic measurements.
|
|
TECHNOLOGY & ENGINEERING -- Chemical & Biochemical.
|
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Cosmetics -- Viscosity -- Measurement.
|
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Food -- Viscosity -- Measurement.
|
|
Fluid dynamic measurements.
|
|
Rheology.
|
|
Chimie.
|
|
Science des matériaux.
|
|
Fluid dynamic measurements
|
|
Rheology
|
| Form |
Electronic book
|
| ISBN |
9783540290872 |
|
3540290877 |
|
3540255532 |
|
9783540255536 |
|
