Last edited by Arak
Wednesday, May 6, 2020 | History

2 edition of Pigment dispersing in powder coatings found in the catalog.

Pigment dispersing in powder coatings

Francis Duivenvoorde

Pigment dispersing in powder coatings

by Francis Duivenvoorde

  • 252 Want to read
  • 10 Currently reading

Published by University of Eindhoven in Eindhoven .
Written in English


Edition Notes

StatementFrancis Duivenvoorde.
ContributionsUniversity of Eindhoven.
The Physical Object
Pagination137p.
Number of Pages137
ID Numbers
Open LibraryOL19768888M

Additives for Powder Coatings Improvement of levelling and prevention of craters are the most important requirements in powder coatings. Additives can also enhance degassing and pigment wetting and, with special types, flat and even textured surfaces can be achieved.   Pigment paste producers get an efficiency boost with new polymeric dispersing agent. New wood coating additives deliver a high-performance finish, shine and color to U.S. industry and DIY It can also be used for powder coatings to combine the warmth of wood with modern design trends such as bright and bold colors. featuring Clariant’s.

Dispersing agents for solvent based, water based and powder systems, across a wide variety of applications. Spredox™ for Ink Additives to aid in dispersing inorganic and organic pigment in offset, flexo, gravure and other ink applications.   Standard Pigment Grinding Most pigments come in a dry form that must be dispersed into a coating. The pigment is added to a solvent and resin solution (or water with additives) in a pre-mix. Shear from mixing and grinding breaks down agglomerates and aggregates, and the surface of the pigment is wet-out.

Pigments for Powder Coatings. ECKART is a global supplier of Pigments for Powder Coatings. This technology is very efficient since over 98% of the powder coating actually becomes applied to the substrate. Powder coatings exhibit excellent surface quality. Pigment and wetting dispersion Contact our experts Solvay recognizes the difficulties of selecting the optimal additive package in a variety of pigmented systems for maximizing color strength by improved wetting, dispersing, compatibility and stabilizing both organic and inorganic pigment dispersions in various coatings and ink systems.


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Pigment dispersing in powder coatings by Francis Duivenvoorde Download PDF EPUB FB2

The effect of three block copolymer dispersants with a poly (2-vinylpyridine) anchor block and a poly (ɛ-caprolactone) buoy block on the dispersing of TiO2 pigments in a polyester powder coating. Abstract. The effect of three block copolymer dispersants with a poly(2-vinylpyridine) anchor block and a poly(ɛ-caprolactone) buoy block on the dispersing of TiO 2 pigments in a polyester powder coating has been studied with digital image analysis on scanning electron micrographs.

The mixing in a lab-scale extruder resulted in a virtually complete break-up of the pigment by: 9. The dispersing of pigments in powder coatings is a difficult and complicated process.

The incomplete dispersion under standard extrusion conditions can be attributed to a combination of poor pigment wetting and insufficient disruption of the pigment agglomerates, as a result of the rheological properties of the powder coating by: Polymeric dispersing agents unify the properties of classical wetting and dispersing agents.

The backbones carry the charges and at the same time are modified with surface active groups. Pigment affine molecule parts increase the adsorption onto the pigment surface and therefore rise Size: KB.

All technical books from EC Library; All Dispersing Pigments and Fillers. Coatings for Plastics. Powder Coatings Chemistry and Technology. Acrylic Resins.

Functional Coatings. Understanding Additives. Anticorrosive Coatings. Formulating Adhesives and Sealants. Introduction, Polyurethane Coatings, Powder Coatings, Liquid Crystalline Polymers for Surface Coatings, Synthetic Organic Pigments, Equipment used in Inks Industry, Antifouling Coatings, Usage of Vegetable Oils in Green Inks, Polymer Modified Waterproofing System, Accelerated Tests for Anticorrosive Coatings, Pigment dispersing in powder coatings book Polymers in Latex Paints, UV.

Another well-known difficulty of powder coatings, the dispersing of pigments, has received attention only recently. Thometzek [6] focussed on the influence of inorganic and organic surface modifications of various inorganic pigments on the degree of dispersing in powder coating systems, whereas Scott and Walters [7] focussed on the residence time distribution of the powder coating material in a twin Cited by: 8.

Assessment of the state of a pigment dispersion in powder coatings is hindered by the lack of a simple and effective method of evaluation, particularly during the production process.

A method for evaluating dispersion quality in cured powder coatings. Dispersing Agents for full range of coatings and ink formulations. Highly efficient solutions for aqueous, solvent-based, high solids or % solids systems and universal pigment concentrates.

Broad techonology portfolio including polymeric, oligomeric and surfactant-based dispersing agents. Purchase Wood Coatings - 1st Edition. Print Book & E-Book. ISBNThe 3 Stages of Pigment Dispersion. WETTING: The formulator introduces the solid pigments into the liquid phase.

In this phase, air and moisture entrapped at the pigment surface are displaced to the grinding medium liquid phase. The pigment / air interfaces become pigment / liquid interface. Wetting and dispersing additive for solvent-borne and solvent-free liquid coatings, printing inks and inkjet inks to stabilize inorganic and organic pigments.

GARAMITE Powdered rheology additive based on organophilic phyllosilicates for solvent-borne and solvent-free systems to increase the storage stability and sag resistance.

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In order to provide optimal performance, pigment particles must act independently of each other in the coating film and thus must remain well dispersed throughout manufacture, storage, application, and film formation.

Unfortunately, colloidal dispersions such as the pigment dispersions in liquid coatings are inherently unstable, and they must be stabilized against the flocculation that inevitably occurs in. PAINT, PIGMENT, SOLVENT, COATING, EMULSION, PAINT ADDITIVES AND FORMULATIONS Click to enlarge DescriptionAdditional ImagesReviews (0)Related Books The book covers Paint Additives, Solvents, Pigments, How to Formulate a Paint, Inhibitive Primers for Metal, Paints for Ships, Drying and Curing Additives, LightFile Size: 86KB.

Pigment concentrates can also then be used in automated coating production, as this is only possible if pumpable pastes are used instead of powdered pigments. There are generally two possible variants. You can design a series of pigment pastes which are to be used only for one unique coating system.

The dispersing of pigments in powder coatings is a difficult and complicated process. The incomplete dispersion under standard extrusion conditions can be attributed to a combination of poor.

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The pigment dispersion is stabilized by dispersing agents in order to prevent the formation of uncontrolled flocculates. The resultant suspension is stabilized due to the adsorption of binder species or molecules at the pigment surface. A great deal of care must be taken when selecting pigments for powder coatings, as the initiator can.

In the case of pigment dispersion, the pigment agglomerates are broken up by impact and shearing forces, which ideally lead to primary particles. During this process, energy is supplied to the coating system and therefore smaller particles are formed, with a larger interface to the resin solution.

TEGO Dispers is a polymeric, high performance / cost ratio wetting and dispersing additive for solventborne coatings.

This dispersant has a suitable polar effect, which has broad compatibility with almost any resin used in coatings and inks. It can be used for all-purpose solventborne pigment concentrates and direct grind.Smart Formulating for Coatings EU Additives Coloring Crosslinkers Matting Resin Components Resins.

TEGO® Dispers wetting and dispersing additives promote pigment wetting and stabilization, prevent flooding, floating and coatings, high solid coatings, powder coatings, UV-curing.Properties of pigments and fillers; Dispersing equipment and production optimization; By Jochen Winkler All about powder coatings in one book - from the current market situation and REACH to the various types of powder coatings, raw materials, parameters affecting the properties of powder coatings, production technologies and application.