perform studi influenc gas permeabl solubl drainag stabil foam stabil anion surfact our studi compar foam stabil four pure gase two gas mixtur while previous work onli compar two pure gase drainag foamvolumedecay rate calcul from experiment data analys find good agreement exist theori foam stabil strong influenc properti gas phase particular it solubl aqueous phase measur henri solubl constant permeabl measur foamfilm permeabl coeffici the foam volum decreas consider increas moreov observ foam more stabl when less solubl gas ad more solubl gas our analysi confirm theori link drainag stabil coarsen rate final introduc new formul foam index consid gas solubl permeabl

Rouhollah Farajzadeh

Sebastian Vincent-Bonnieu

Nacera Bourada Bourada

Effect of Gas Permeability and Solubility on Foam

the kinet oxid fructos nbromosuccinimid acid medium absenc presenc cation anion nonion surfact has been measur iodometr under pseudofirstord condit the oxid kinet fructos nbromosuccinimid show firstord depend nbromosuccinimid fraction order depend fructos negat fraction order depend sulfur acid the kinet treat use berezin micellar model previous use catalysi inhibit reaction the determin stoichiometr ratio 1 1 fructos nbromosuccinimid the variat oac 2 succinimid reaction product has insignific effect reaction rate effect surfact ad acrylonitril ad salt solvent composit variat have been studi activat paramet reaction have been evalu from arrhenius plot studi reaction differ temperatur the rate law has been deriv basi obtain data plausibl mechan has been propos from result kinet studi reaction stoichiometri product analysi

Minu Singh

Kinetic Treatment of the Reaction of Fructose and N-Bromosuccinimide in Cationic/Anionic/Nonionic Micelles

nitril rubber nbr base elastom compound contain differ carbon black silica composit ratio were prepar use laboratoryscal two roll mill accord cure character result addit reinforc filler either carbon black silica shorten optimum cure time also scorch time sampl compar pure nbr gum where optimum cure time scorch time both decreas increas silica content hybrid filler analysi mechan properti show burst strength carbon blackrich nbr compound higher compar sampl contain silica this presum due higher elong break observ nbr silica compound reveal lower crosslink densiti fact adsorpt cure agent onto function group present silica surfac would respons lower crosslink densiti accord barlow formula despit higher tensil strength nbr silica compound higher elong break lead lower burst strength nbr silica carbon black diaphragm

Ali Asghar Davoodi

Tal’at Khalkhali

Mohammad Mahdi Salehi

Soheil Sarioletlagh Fard

Burst Diaphragms Based on Carbon Black/Silica Hybrid Filler Reinforced Nitrile Rubber Compounds

the prepar chitosan microtub from polym solut citric lactic acid wet dri mold method describ the mechan format insolubl polymer layer construct wall microtub character the microtub obtain from chitosan solut citric acid found have fragil porous inner layer for those obtain from chitosan solut lactic acid morpholog elasticdeform properti physicomechan properti biocompat were assess these sampl have smooth outer inner surfac visibl defect high valu elong break the strength microtub obtain dri method much higher than case wet one high adhes high prolif activ epitheliallik ma104 cellular cultur surfac our microtubular substrat model vitro experi were reveal prospect use chitosan microtub vascular prosthes suggest

Natalia O. Gegel

Anna B. Shipovskaya

Luba S. Vdovykh

Tatiana S. Babicheva

Preparation and Properties of 3D Chitosan Microtubes

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Journal of Soft Matter

Journal of Soft Matter