乳液和分散稳定性分析的新进展.pdf

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1、Instrument for analysing stability of emulsion anddispersionTemperature could be controlled to accelerateaging and simulate real-world conditionsUses a light-scattering technique to detectmovement of particles over time,position,andtemperature.Emulsion and Dispersion Stability Device4Customer Inform

2、ation:Developer of polymers that areapplied and processed as an aquatic solution to coat somesurface by treatign it with the solution and setting it fordryingGoal:Determination of the maximum polymerconcentration that is table over a certain time.Samples:Customer sent us 2 samples with differentconc

3、entrations of the polymer(15,8%polymer contentand 19%polymer contentExample 1:Polymer SolutionsExample 1:Polymer SolutionsIn the sample with 19%concentration,increasing cloudiness was observed over time.8085909510010511011512012501224364860728496108120132Transmitted light intensity10-40mm height（%）t

4、ime（h）15.8%19%-1.697%/dayExperiment:Transmission measured over 5 days atroom temperature for both samplesEvaluation with peak height method.Example 2:Example 2:Motor OilMotor OilCustomer information:Developer of motor oilsProcess goal:Development of special oil with increasedstability up to 60C temp

5、Samples for testing:3 samples with different additives.Testing goal:Identification of the most stable product with theDataPhysics MS20Experiment:Transmission measured for 3 days at 60 CT Change in average transmission（%）Formulation C shows the lowest stability fast change especially in the first 12

6、h.Stability Trend:BACChange rate(%/day)1-12 h12-90 hA-0.58B0.36C1642.24Customer Information:Developer of food additivesGoal:Increase shelf stability of a seasoning by addition ofdifferent emulsifiersSamples:Customer provided 2 samples in with differentemulsifiersExample 3:Seasonings for processed me