Utrasonic topic: "Emulsione"
Un'emulsione è una miscela di due liquidi immiscibili, come l'olio e l'acqua, in cui un liquido è disperso in minuscole goccioline all'interno dell'altro. Le emulsioni sono comuni in molti prodotti e processi, tra cui quelli alimentari, cosmetici, farmaceutici e chimici. Per formare un'emulsione stabile, è necessario rompere uno dei liquidi in goccioline molto fini e disperderle uniformemente nell'altro, spesso richiedendo l'uso di tensioattivi o di energia meccanica.
L'ultrasonicazione promuove l'emulsionamento utilizzando onde ultrasonore ad alta intensità e bassa frequenza per generare intense forze di taglio all'interno della miscela liquida. Queste onde sonore creano cavitazione - un fenomeno caratterizzato da minuscole bolle che si formano e collassano rapidamente - dando luogo a una potente micro-miscelazione che rompe le goccioline della fase dispersa in dimensioni molto più piccole. Questo processo porta alla formazione di un'emulsione fine e uniforme con gocce tipicamente di dimensioni submicroniche o nanometriche. L'ultrasuonizzazione è altamente efficace nel creare nano-emulsioni stabili senza la necessità di tensioattivi o energia eccessiva, il che la rende il metodo preferito sia in laboratorio che nelle applicazioni industriali dove precisione ed efficienza sono fondamentali.
Per saperne di più sull'emulsionamento a ultrasuoni!
12 pages about this topic are being shown:
Oleogels: How Sonication Improves Oleogel Formulations
Oleogels are versatile materials with applications in a wide range of industries, offering unique benefits in terms of texture, stability, and functionality. Using probe-type sonicators significantly improves the synthesis and performance of oleogels, making them more suitable for various industrial…
https://www.hielscher.com/oleogels-how-sonication-improves-oleogel-formulations.htm
Stable Paraffin Wax Emulsions via Sonication
Ultrasonic emulsification provides significant advantages in the preparation of stable paraffin wax emulsions, enhancing the quality and stability of the final product. Sonication effectively overcomes the key challenges of paraffin emulsification by utilizing high-intensity ultrasonic waves to generate intense cavitation…
https://www.hielscher.com/stable-paraffin-wax-emulsions-via-sonication.htm
Mayonnaise – Emulsification using a Sonicator
Oil and water don't mix, right? In fact, oil and water can be efficiently mixed using power ultrasound. Mayonnaise is a prominent example of an emulsion in culinary applications. Learn how sonication facilitates the production of a stable, creamy, and…
https://www.hielscher.com/mayonnaise-emulsification-using-a-sonicator.htm
High-Performance Adhesive Formulations – Improved by Ultrasonic Dispersion
High-performance adhesives are composed from epoxy, silicone, polyurethane, polysulfide, or acrylic systems containing various (nano-)fillers and additives, which give the adhesive special performance such as bond strength, light weight, durability, heat-resistance, and sustainability. Efficient and reliable mixing is required to…
https://www.hielscher.com/high-performance-adhesive-formulations-improved-by-ultrasonic-dispersion.htm
emulsionanti a ultrasuoni
An emulsion is a two-phase system of two immiscible liquids, where one phase, the so-called internal or dispersed phase, is distributed as small droplets into the other, so-called external or continuous, phase. To prepare an emulsion, generally energy input into…
https://www.hielscher.com/ultrasonic-emulsifiers.htmEmulsioni olio-acqua
In oil-in-water emulsions, the oily phase is mixed into the aqueous phase. Ultrasonic emulsifiers are ideal for creating these emulsions, offering uniform droplet dispersion and long-term stability, making them popular in labs and production. Benefits of Hielscher Sonicators for Oil-in-Water…
https://www.hielscher.com/oil-in-water-emulsions.htm
Juice and Smoothie Homogenization using Power Ultrasonics
Juices, smoothies and beverages require reliable and efficient homogenization to provide a desirable flavour and texture as well as long-term stability. Ultrasonic high-shear homogenizers are widely used in the food and beverage industry to produce juices, drinks, purees and sauces…
https://www.hielscher.com/juice-and-smoothie-homogenization-using-power-ultrasonics.htm
Sintesi a ultrasuoni di polimeri a impronta molecolare (MIP)
I polimeri a impronta molecolare (MIP) sono recettori progettati artificialmente con una selettività e una specificità predeterminate per una determinata struttura di molecola biologica o chimica. Gli ultrasuoni possono migliorare vari percorsi di sintesi dei polimeri a impronta molecolare, rendendo la polimerizzazione più efficiente e affidabile. Cosa…
https://www.hielscher.com/ultrasonic-synthesis-of-molecularly-imprinted-polymers-mips.htm
High-Shear Mixers for Pet Food Manufacturing
Pet food manufacturing requires reliable high-shear mixing equipment to prepare homogeneous mixtures of various ingredients. Ultrasonic mixers provide ultras-high shear forces that can process highly viscous slurries and doughs. Furthermore, ultrasonic mixers are used to produce stable nano-emulsions and to…
https://www.hielscher.com/high-shear-mixers-for-pet-food-manufacturing.htm
Clean Beauty Product Formulation with Ultrasonics
Natural, organic ingredients (INCIs) combined with high effectiveness and bioavailability are the features of innovstive clean beauty products. Ultrasonication is used as highly efficient and reliable technique to mix, blend, disperse, nano-emulsify and nano-encapsulate cosmetic ingredients. Why Should You Use…
https://www.hielscher.com/clean-beauty-product-formulation-with-ultrasonics.htm
Water-Soluble Nano-THC Formulations With Sonication
The formulation of THC-enhanced beverages is challenging. - THC-infused drinks must be nano-emulsified in order to provide a high bioavailability and thereby potency, long-term stability and clear appearance. Ultrasonic nano-emulsification of THC into beverage is highly efficient and efficacious resulting…
https://www.hielscher.com/water-soluble-nano-thc-formulations-with-sonication.htm
Emulsioni a ultrasuoni per la combustione di acqua nel diesel
Power generators, ship engines and railway engines, which are fuelled with diesel, can be run more efficiently when water-in-diesel emulsions are used. Water-diesel emulsion fuels reduce the fuel consumption, lower the combustion temperature, burn cleaner and reduce emissions, such as…
https://www.hielscher.com/ultrasonic-emulsions-for-water-in-diesel-combustion.htm