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Dispersing without destroying / Hans Joachim Jacob in SOFW JOURNAL, Vol. 145, N° 5 (05/2019)
[article]
Titre : Dispersing without destroying Type de document : texte imprimé Auteurs : Hans Joachim Jacob, Auteur Année de publication : 2019 Article en page(s) : p. 34-37 Langues : Anglais (eng) Catégories : Dispersions et suspensions
Expansion sous vide
hydrocolloïdes
RhéologieIndex. décimale : 660.2 Génie chimique Résumé : In home and personal care products, many hydrocolloids are used as thickeners and rheological additives. When mixed into liquids, initially agglomerates are created, vvhich then have to be broken dovvn again through dispersing. However, most of these polymers are shear sensitive, especially after hydration. Dispersing destroys the gel structure already formed and breaks down the desired viscosity. This problem can be solved with a process that separates the primary particles of the polymer powder before they get in contact with the liquid, then individually wets and disperses them immediately, thereby hydrating them without agglomerates — using the vacuum-expansions process. It is based on the fact that a powerful vacuum is generated directly in the liquid. The polymer is therefore added under maximum vacuum. In this way, the polymer particles are dissagglomerated before wetting. No further dispersion is required. Agglomerates are not created. Using the vacuum expansion process, the maximum effect can be achieved with a reduced concentration of hydrocolloids. Viscosity, thixotropy index, transparency, film formation and wetting behaviour, as well as many other properties this way will achieve a level not possible previously A subsequent uncontrolled thickening through inorganic thickeners, such as smectite or other layered mineral silicates is ruled out. Note de contenu : - Functionality must be ensured
- Agglomerates have to be prevented
- Shearing may cause irreversible damage
- This is how the vacuum expansion method with the conti-TDS works
- Wetting from inside
- Fig. 1 : Vacuum-expansions process
- Fig. 2 : Disintegration of agglomerates under vacuum expansion
- Fig. 3 : Integration of Conti-TDS into existing or new plantsPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32730
in SOFW JOURNAL > Vol. 145, N° 5 (05/2019) . - p. 34-37[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21012 - Périodique Bibliothèque principale Documentaires Disponible Dispersion of powders in liquids / Geoffrey D. Parfitt / Barking [Royaume-Uni] : Applied Science Publishers Ltd (1981)
Titre : Dispersion of powders in liquids : With special reference to pigments Type de document : texte imprimé Auteurs : Geoffrey D. Parfitt, Auteur Mention d'édition : 3e édition Editeur : Barking [Royaume-Uni] : Applied Science Publishers Ltd Année de publication : 1981 Importance : XV-518 p. Présentation : ill. Format : 23 cm ISBN/ISSN/EAN : 978-0-85334-990-7 Note générale : Index - Bibliogr. Langues : Américain (ame) Catégories : Dispersions et suspensions
Milieux dispersés
Pigments
Revêtements poudre:Peinture poudreIndex. décimale : 667.2 Colorants et pigments Note de contenu : 1 : Fundamental aspects of dispersion
2 : Properties of the solid-liquid interface of relevance to dispersion
3 : Electrical phenomena associated with the solid-liquid interface
4 : Surface active compounds and their role in pigment dispersion
5 : Principles of precipitation of fine particles
6 : Fundamentals of the breakdown of solids
7 : Technical aspects of dispersion
8 : Assessment of the state of dispersion
9 : Dispersion of inorganic pigments
10 : Dispersion of organic pigmentsPermalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=373 Réservation
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Code-barres Cote Support Localisation Section Disponibilité 0669 667.2 PAR Monographie Bibliothèque principale Documentaires Disponible Dispersion of ultramarine pigments / Dave Masterman in POLYMERS PAINT COLOUR JOURNAL - PPCJ, Vol. 201, N° 4561 (06/2011)
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Titre : Dispersion of ultramarine pigments Type de document : texte imprimé Auteurs : Dave Masterman, Auteur Année de publication : 2011 Article en page(s) : p. 32-34 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Dispersions et suspensions
PigmentsIndex. décimale : 667.2 Colorants et pigments Résumé : How ultramarines can be dispersed in either liquid or dry systems. Note de contenu : - Principles of dispersion
- Stability
- Dry systems
- Ultramarine grades
- Easy dispersing pigments for plastics
- Extra fine particle size
- Increased compatibilityEn ligne : https://drive.google.com/file/d/1krr7lsmXTTTJVW2IrrNf0vY9RZCLD8EV/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11971
in POLYMERS PAINT COLOUR JOURNAL - PPCJ > Vol. 201, N° 4561 (06/2011) . - p. 32-34[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 013131 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Dispersion principles you should know Type de document : texte imprimé Auteurs : M. Veeramani, Auteur Année de publication : 2023 Article en page(s) : p. 108-110 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Agents dispersants (chimie)
Dispersions et suspensions
Revêtements (produits chimiques):Peinture (produits chimiques)
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- AdditifsIndex. décimale : 667.9 Revêtements et enduits Résumé : It takes great pleasure to inform the readers that th is is my 102nd chapter. I am trying to touch upon many topics under the water based paints, in addition I am dealing with some fringe topics that has relevant to the core subject. I will try to cover as much as possible to give enough information to the readers especially from the small-scale sector. Note de contenu : - HOW DOES A DISPERSANT WORK ? : Electrostatic repulsion - Steric repulsion
- WHY ARE THERE SO MANY DIFFERENT COMMERCIAL DISPERSANTS TO CHOOSE FROM ?
- WHAT ARE THE KEY SELECTION CRITERIA FOR DISPERSING AGENTS ? : Choose the best fitted stabilization method
- ANCHOR SITES AT THE SURFACE OF YOUR PIGMENTS AND FILLERS
- GOOD BINDER COMPATIBILITY
- DIFFERENT TYPES OF DISPERSING AND THEIR CHEMISTRIES
- CONVENTIONAL DISPERSING AGENTS : High molecular mass dispersants
- HIGH VERSUS LOW MOLECULAR MASS-BASED DISPERSANTSEn ligne : https://drive.google.com/file/d/1H5sTPdjrc2_UYVhL7C0Jzh9XTQ0KEYTy/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40055
in PAINTINDIA > Vol. LXXIII, N° 7 (07/2023) . - p. 108-110[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 24178 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Dispersion principles you should know Type de document : texte imprimé Auteurs : M. Veeramani, Auteur Année de publication : 2023 Article en page(s) : p. 113-115 Langues : Anglais (eng) Catégories : Agents dispersants (chimie)
Agents mouillants
Dispersions et suspensions
Pigments
Revêtements en phase aqueuse -- Additifs:Peinture en phase aqueuse -- AdditifsIndex. décimale : 667.6 Peintures Résumé : It takes great pleasure to inform the readers that this is my 105th chapter. I am trying to touch upon many topics under the Water Based Paints, in addition I am dealing with some fringe topics that has relevant to the core subject. I will try to cover as much as possible to give enough information to the readers especially from the Small-Scale Sector. En ligne : https://drive.google.com/file/d/1JXtETuCQjC0Nps253hcpnMWEOmNBGO3F/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40400
in PAINTINDIA > Vol. LXXIII, N° 9 (09/2023) . - p. 113-115[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 24287 - Périodique Bibliothèque principale Documentaires Disponible PermalinkDispersions aqueuses de polyaniline pour la protection contre la corrosion / François-Xavier Perrin in DOUBLE LIAISON, N° 610 (05/2016)
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