Dispersing technology – Uniqchem
Dispersing additives, which adsorb on the pigment surface, facilitate liquid/solid interfacial interactions and help to replace the air/solid interface by a liquid medium/solid interface. The grinding process can be regarded as a de-flocculation process.
Pigments, Dyes & Dispersions | Micro Grinding Applications ...
Saint-Gobain ZirPro has been supplying high-quality ceramic media to the pigments, dyes and dispersions industries for more than 40 years. ZirPro offers a market-leading range of media (ER120, Rimax®, Zirmil® Ce and Zirmil® Y) to meet the exacting demands of grinding and dispersing processes.Selection of the optimum bead (density and size) is critical, as color …
Bead mill for pigments-Sinonine
The grinding and dispersing of pigments are accomplished by disc bead mill as the following working principles: The dispersing device of disc bead mill is composed of a main shaft, a dispersing disc, a reflecting cage and a bushing. During operation, the mechanical energy generated by the rotation of the dispersing disc is transmitted to the ...
US8076403B2 - Process for grinding minerals in aqueous ...
The process of the present invention produces an aqueous dispersion of mineral materials, suitable for use in pigments and other coatings, by introducing a fully neutralized dispersing agent to an aqueous dispersion of coarse mineral materials, grinding the aqueous dispersion and, during grinding, adding a partially neutralized dispersing agent to the aqueous dispersion.
DISPERSANT PRODUCT GUIDE - Uniqchem
solid/gas interface (pigment/air) is transformed into a solid/liquid interface (pigment/resin solution). Grinding stage: By high shear forces the pigment agglomerates are broken up into smaller units, preferable primary particles. Stabilization: The pigment dispersion is stabilized by dispersing agents in order to prevent the
Wet Grinding and Dispersing Solutions | Pigments and Dyes ...
As a wet grinding and dispersing solutions provider, LONGLY offers various machines including wet grinding machine, bead mill, homogenizing equipment to produce pigments and dyes.
Pigment Grinding - The Wet Print Studios | Thewetprint.com
Pigment Grinding. I use a high energy planetary ball with with yttria-stabilized zirconia balls to offer very fine grinds and dispersions of pigments with low contamination. Nano-dispersions are possible with some pigments with the use of 0.1mm grinding balls and the most advanced dispersing agents. Contact me for more information and pricing.
Pigment concentrates - BYK
The grinding paste is primarily chosen based on its compatibility. Its percentage of the paste should be a low as possible. If special dispersing additives are used, binder-free pigment concentrates of impeccable quality can also be formulated.
Dispersing Technology - Münzing Chemie
The requirements for dispersing agents therefore are as follows: • Support of grinding ⇒ short dispersing time, optimum degree of grinding. • Reduction of grind viscosity ⇒ high pigment content, fluidity. • Stabilisation of the dispersion ⇒ colour strength, gloss, colour shade stability.
Dispersing Technology color - AFCONA
re-grinding or applying substantial shear force is needed. Thus, the best way to prevent ... possibility of a dispersant that can give wetting, helping in dispersing and the stabilizing the pigments. 4.1 Compatibility A good dispersants need to have good compatibility with the system in order to allow
Determining the optimal dispersing agent loading
Composition of the pigment paste made up for subsequent testing of dispersion quality. After grinding, clear lacquers are pigmented with the prepared tinters and applied onto clean glass plates. The ratio of the pigment to binder solids should be as follows: Inorganic pigments = 20-30%. Organic pigments = 10-15%. Carbon black = 5-10%. 3).
Double barrel media mill for grinding and dispersing ...
A media mill for grinding and dispersing pigments and other particulate matter in a pigment slurry, said media mill comprising: a chamber including a first portion having a diameter, a second portion having a diameter and joined to and in fluid communication with said first portion at a central impact zone between the first and second portions ...
MASCHINENFABRIK: Dispersing
After dispersing the mill base, it is going to be completed in a process container. A grinding with bead mill's is not required. By the maximum grinding of the pigment a reduction of the pigment quantity is possible in case of a given standard colour …
Grinding Equipment & Systems | Grinding Media
Grinding Medias. The materials and sizes of the grinding media of your equipment can be selected according to the different characteristics and requirements of the abrasive materials to achieve various results. For example, larger abrasive media are suitable for grinding larger or denser structures, smaller abrasive media can grind fine ...
Additives for Pigment Concentrates - BYK
and stabilized by wetting and dispersing additives. Influence of Grinding Resin Amount in Solvent-borne Pigment Concentrates Grinding resin amount Pigment load Low High Viscosity Increased Decreased Paint properties (durability, etc.) High impact Lower impact Thixotropic effect with organic pigments
US7488767B1 - Pigment dispersant system and method …
A new and improved method for making a pigment dispersant system, a method for pigment grinding and a new pigment dispersant system are herein disclosed. The inventive compound and process do not use a resin or the harsh milling process used in current pigment technologies.
- NETZSCH Grinding & Dispersing
In its market sector, the "Grinding & Dispersing" Business Unit of the NETZSCH Group has been a market leader for decades – and that goes for everything from laboratory-scale machines to production plants. The core competencies are in Service, development, the design and construction of dry and wet grinding systems, machines for mixing ...
Borchers' Wetting and Dispersing Additives
Dispersing pigments is not only the most time-consuming, but also the most energy-consuming step in the entire production process. An effective additive can help to significantly shorten the grinding time and thus save time and money. In addition, the performance of the wetting and dispersing additive can make a ...
How to disperse and stabilize pigments
Grinding Medium Anchoring of the polymeric dispersant to the pigment surface can be affected by competition between the resin and dispersant for the surface of the particle. Once the anchor group of the dispersant is attached to the pigment surface it will remain firmly attached.
ATTRITOR GRINDING AND DISPERSING EQUIPMENT by A. …
ATTRITOR GRINDING AND DISPERSING EQUIPMENT by A. Szegvari and M. Yang UNION PROCESS INC. Akron, Ohio As presented April 29, 1999 and updated January, 2019 Seminar on "Dispersion of Pigments and Resins in Fluid Media" KENT STATE UNIVERSITY Department of Rheology Kent, Ohio by Arno Szegvari
Wetting & Dispersing agents - LEVACO
Dispersing agent for inorganic pigments, including titanium dioxide. The product is suitable for a broad range of applications in the coatings sector (paints, lacquers, inks). It has a strong viscosity reducing effect during grinding of pigments as well as in the final formulation.
Grinding and Dispersing Nanoparticles
Most pigments used in inks and coatings, for example, have primary particle size from at least 0.02 µm or 20 nanometers up to 200 nanometers. With the particle size analysis technology available today, we can easily learn that many oper-ators of bead mills are grinding and dispersing their pigments into this range. Theodore Vernardakis estab-
Pigment Production - NETZSCH Grinding & Dispersing
Pigment Production The ultra-fine grinding of pigments places high demands on the machine technology to be employed. The finest, absolutely grit-free granulation, low-residue processing with minimal contamination, as well as fast, thorough cleaning when switching products are the minimum requirements.
Easily Dispersed Pigments Revolutionize Coatings ...
Grinding, or dispersing, pigment is a practice critical to a number of industries. In coatings, the dispersion of colored pigments is critical to achieving the desired color, stability and weathering performance properties. The quality of the dispersions also affects the economics of the use of colored pigments.
Ultrasound for Dispersing and Grinding: Paint & Pigments ...
Ultrasonic Dispersing & Grinding Conditions. The quality of paints and coatings relies on the homogenous dispersion of the pigments. Hielscher Ultrasonics supplies effective milling and grinding equipment for paint dispersion, …
FEATURE Four Steps to Effective - pigments
cuses on pigment families and their application in waterborne, solventborne and universal dispersions. The theory behind processing, selection of wetting and dispersing agents, and the differences between co-grinding and single pigment dispersion are discussed. Pigments vs. Dyes – Is Solubility Important?
The importance of wetting and dispersant surfactants in ...
In the dispersion/grinding stage, the pigment clumps are mechanically separated into smaller particles. The wetting and dispersing surfactants act synergistically, to ensure that the wetting of the smaller particles created happens faster and the particles do not clump again, so reducing process time and, consequently, energy spent.
New Waterborne Pigment Grinding Resin for High-Performance ...
Material and Formulation. Grinding Resin 6529 was evaluated and benchmarked against Dispersant D, which is a non-OH-functional polymeric type pigment wetting and dispersing agent. All pigment tints made in this study were letdown in formulas based on a waterborne OH-functional acrylic binder, Polyol 6810.
Pigment Paste Grinding Auxiliary Disperse Agent, View ...
Pigment Paste Grinding Auxiliary Disperse Agent, US $ 5 - 10 / Kilogram, Chemical Auxiliary Agent, NA, Polymer Dispersing Agent;Dispersing Agent;Disperse.Source from Qingdao Sanhuan Colorchem Co., Ltd. on Alibaba.com.
ink grinding used
Pigment Dispersion: Wetting & Dispersing Agents for Coatings. Influence of Grinding Liquid Medium ... Our Coatings Selector features a full range of dispersing agents available today for all types of coating and ink formulations (aqueous, solvent-based, high-solid or solids systems and for pigment concentrates).