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US2228988A - Wetting, emulsifying, and dispersing agents - Google Patents Wetting, emulsifying, and dispersing agents Download PDF Info Publication number . Cost efficient dispersant for wall paints. While some of them are necessary for it to work correctly and you can only forbid their use by changing the settings of your browser, others (analytical, preferential and marketing) cookies are used for other purposes we describe in our information on cookie use. The value of shrinkage is given in millimeters per meter (mm/m) in relation to the reference value. This pressure deforms the gel particle and the pore structure is enlarged. Our additives optimize color strength by enhancing wetting and dispersing properties, and by stabilizing organic and inorganic pigment dispersion. Wetting/Dispersing Agents. Aqueous wetting and dispersing additive for aqueous separator coatings and carbon pastes for electrode slurries. Wetting and dispersing additive for inorganic pigments, organic pigments and carbon black in adhesive, plastisols, ambient curing resin systems, and for the production of color pastes for thermoplastics. The literature discusses several models for this process. To check the influence of the defoamer on the properties of the selfleveling compound different parameters are measured. Wetting and dispersing additive for mineral fillers in unsaturated resin systems and adhesives. Powder defoamers are used in a lot of dry mix mortar formulations. isaliquidrheologyadditiveforplasticapplicationssuchasvinylesterandepoxyresins, unsaturated polyester resins, and gel coats. Then the pigment agglomerates are destroyed by, mechanical shear forces. Especially in the field of dry mix mortars with high quality demands powder shrinkage reducing agents are used often, e.g. ACAT distributes a range of wetting agents from our supplier Mnzing Chemie. The dry density is measured by producing a specimen that is coated with a protective lacquer after drying. gloss and silk finish emulsion paints. Using EDAPLAN 916, there is no need to adjust the pH value of the grind/pigment concentrate. Product and fast desorption capabilities. It has been developed to disperse inorganic pigments for the universal use in both, water and solvent-based systems, including high-solids. In practice, this takes place by means of electrostatic repulsion and/or steric stabilization. Also gives excellent jetness with carbon black giving blue undertone. The exact dosage should be experimentally determined through a ladder study. Thereby, air is pumped through a tube into a, liquid. Strong dispersing agent for high performance coatings. The physical principles, chemistry and stabilisation mechanisms for both water- and solvent-based applications are described. These additives are multifunctional . One of these methods, It is a classic method for the measurement of static, surface tension. This website uses cookies. Coatings Ink Plastic / Composites +49 5921 853 7428 eu@uniqchem.com Remove small sample after one minute and the large sample after an hour. The reasons for the different flow, Some of these problems can be solved with wetting, Therefore it is essential to accurately study the surface, defects and to determine their causes. This emollient acts as a wetting and dispersing agent while being highly spreadable. Solvent-free wetting and dispersing additive for aqueous and solvent-borne highly filled electrode slurries of Li-ion cells. foam), liquid/solid (e.g. In the hydration process the amount of, free flowing water is reduced and the cement is using water from the capillary pores. finally as free flowing capillary water. Measure the reflectance for both the using spectrophotometer. A prominent example is paint, where color particles need to be evenly distributed to guarantee perfect coloration, and other pigmented coatings. The dispersant is especially suitable for inorganic pigments and filler pigments including ATH, wetting and dispersing additive for filled unsaturated polyester. These three steps are outlined in further detail below. This anionic wetting agent has emulsifying and dispersing characteristics. It is ideal for the manufacturing of coatings as well as for the manufacturing of resin free pigment concentrates. These polymeric, oligomeric and surfactant-based technologies are known for outstanding color development, viscosity reduction, enhanced gloss . These became a target of environmental concern and were replaced in most formulations by polymeric wetting and dispersing additives. The biobased additives of Mnzing Chemie also meet a variety of biolabels. UNIQCHEM Shanghai Co., Ltd. 1809 Qixin Road, Building 8, Room 2308 West Zone, Red Dot City 201102 Shanghai, UNIQCHEM GmbH Holland Strasse 7 D-48527 Nordhorn, Suited for TiO2, inorganic pigments and matting agents, General Industrial coatings, organic and inorganic pigments, Dispersant for high performance requirements like high transparency, jetness. The Non Ionic-Wetting Agent is an excellent wetting agent containing ethoxylate & propoxylate. The pigment dispersion processcan be divided into three stages: wetting, dispersion/grinding, and stabilization. This program is a global initiative of the chemical industry to continuously improve the environmental, health, safety and security knowledge and performance of our technologies, processes and products over their life cycles so as to avoid harm to people and the environment. Without additives it is hardly possible to cope with these technical challenges. It enables the dye to be formed in powder form. To evaluate the dispersing properties of the joint filler, colour strength and Lvalues are measured using a Datacolor colorimeter. Table 2: Defoaming properties in a self-leveling compound, Figure 6: Optical impairment due to wrong defoamer selection. Our representatives will gladly advise you to find the most suitable product for your application. Benefits of a well selected dispersant throughout a paint formulation. Pluracoat CF 20 is a nonionic deflocculation dispersing and wetting additive for water-based coating systems. Two polystyrene based reflectors are positioned on the selfleveling compound and adjusted perpendicular to the laser beam. If you are under 16 and wish to give consent to optional services, you must ask your legal guardians for permission. Alongside our ADDITOL weve also got a great dispersing & wetting agent for solvent-free and solvent-based UV systems: EBECRYL 331. Solvent-free wetting and dispersing additive for aqueous and solvent-borne electrode slurries and separator coatings of Li-ion cells. 6,683,121 recommends a combination of carboxyl-containing copolymers, synthesized from ethylenically unsaturated monomers, and block copolymers which are synthesized from ethylene oxide and propylene oxide and have an HLB of between 16 and 32. Contains silicone, Controlled flocculating wetting and dispersing additive for solvent-borne and solvent-free industrial and architectural coatings, Pigment synergist for solvent-borne and solvent-free coating systems, Wetting and dispersing additive, filled, ambient-curing epoxide, polyurethane systems, Wetting and dispersing additive for highly filled UP resin systems to improve filler wetting and to increase the filler load, Wetting and dispersing additive for highly filled UP casting resin systems, Wetting and dispersing additive for solvent-free, highly filled casting resin systems, Wetting and dispersing additive for mineral fillers in unsaturated resin systems and adhesives, Anti-settling additive for mineral-filled PU systems, Wetting and dispersing additive for coating systems, UP resins, and adhesive applications, Wetting and dispersing additive for amide accelerated UP, EP, PUR systems and adhesives, Wetting and dispersing additive for SMC/BMC and pultrusion, Wetting and dispersing additive for UP resins and adhesives, Household, Industrial and Institutional Applications. Developed to be the most efficient product in the market when used to develop VOC sensitive coatings. They help us to recognize the ways our visitors use the website, and to identify website elements to further improve. The surfactant molecules are wetting the surface of fibers, pigments and aggregates. The, maximum force at which the lamella breaks is. Figure 3: Monitoring of early shrinkage using. The additive prevents the flooding/floating and settling of pigments and fillers in epoxy and VE/UP-based laminates. If a solid particle is not sufficiently oil-wet, it will agglomerate and fall out of the drilling fluid, compromising fluid stability. In general this leads to an increased stability of the mortar. Wetting agent (rewet) is applied through the fertigation system on monthly basis April through September.. What procedures are followed to prevent contaminants in reprocessed wood products: Check Other Components Added: Limestone Wetting agent Insecticides, fungicides, herbicides, or plant growth regulators (if added, give name and concentration): Other . You can give your consent to whole categories or display further information and select certain cookies. High performance thinner for oil-based drilling fluids, Low-shear rate rheology modier for oil and synthetic-based muds, Controlled flocculating wetting and dispersing additive for solvent-borne, medium-polarity to high-polarity coatings, Controlled occulating wetting and dispersing additive for solvent-borne, medium-polarity to high-polarity coatings. Both products are also Eco-label compliant for outdoor and indoor paints and provide excellent color performance. Suitable for all pigments dispersion, Excellent wetting at low dosage for gravure inks, Suitable for universal tinters for all pigments dispersion. ADDITOL XW 330 is our cost-efficient dispersant & wetting agent for such applications and can be used to stabilize emulsions for improved color stability and less sagging. Strong dispersing agent suited for transparent and opaque organic and black pigments. Our products offer a huge range of wetting and dispersing agents on different chemical bases. Personal data may be processed (e.g. If all particles are charged identical, electrostatic repulsion takes place. The compound is then mixed with water by using a kneading machine for 30 seconds. Another measurement method is the so-called bubble. Direct grinding and pigment paste production. The scale ranges from 0 (black) to 100 (white). Applying wetting agents to lawns can increase the ability of water to wet water on hydrophobic soils or other growing media. The early shrinkage can be detected by using laser distance measurement. The dispersant is especially developed for the grinding of carbon black giving excellent jetness with blue undertone. At the end of the test the final length is measured using a precision sliding caliper and calculated back to the starting distance (see Figure 3). For this reasons the process of autogenous shrinkage depends on the w/c value. In addition, both companies meet a number of other certifications such as ISO 9000, 14001, 50001. The black joint filler is blended with 0.5% of powder dispersant. Experience has shown that a lot of nonionic surfactants with distinct hydrophobic character the conventional used substances have a big drawback. Our ADDITOL Wetting and Dispersant line contains anionic, cationic and neutral wetting & dispersing agents for both organic and inorganic pigments. Abstract. Special grinding medium for OEM basecoat systems. Want to get to know our dispersant and wetting secrets in grinding resin? There are four different types of shrinkage, depending on the time and reason of appearance[1]. On: July 7, 2022. As wetting and dispersing agents for inks, U.S. Pat. Its active ingredient gives the fastest wetting when compared with other most commonly used surfactants. In order to correctly prepare the pigments, however, the appropriate dispersing agent is required. Preferential cookies help us to make your experience on the website more enjoyable. In addition, Tensol DDM is compatible with commercially available acrylic, styrene-acrylic and vinyl acetate homo and copolymers. The L value is a measure of the brightness of the surface and the L axis describes the achromatic colours in the L*a*b* colour space. Wetting agents and surface modifiers provide a formulation with adequate wetting properties, enhance difference component compatibility and/or improve the ap. The wetting and dispersing agent ought, for example, to possess a white or only slightly brownish color. They also contribute to high-quality tape surfaces. Essential cookies enable basic functions and are necessary for the proper function of the website. As shown in Figure 2 shrinkage is reduced by over 20% after 2 months. in systems with large surfaces such as selfleveling compounds, anchoring mortars and also repair mortars. The polymer branches are covering the particle surface to inhibit the approach of other particles and reagglomeration is prevented. In machine mixed mortars the mixing time is reduced and therefore higher delivery rates can be achieved. Wetting agents are surface-active substances and improve the wetting of solids. Excellent solubility in alcohols. Afcona 5008 wets out pigments and fillers and stabilizes them via electrical charge repulsion forces. As mentioned earlier short mixing times and low shear rates simulate the processing at the construction site. If the repulsive forces are stronger than the opposite attractive forces, reagglomeration of the particles is prevented. and stabilisation of the pigments in aqueous solutions. Figure 1: Length determination of the specimen with an electronic dial gauge. A wetting agent is a surfactant, having both a hydrophilic and a hydrophobic part. +curing agent(5kg) Mixing ratio : 2:1; Sample Policy: Free samples are available; Conrepair Co.,Ltd . Allnex is introducing the latest addition to our Globally Leading portfolio of dispersants. See detergent; surfactant. In addition, C12-15 Alkyl Benzoate is used in a variety . Prepare the dye-bath using the above dye solution keeping material to liquor ratio 1: 50 and add 2 gm/liter leveling agent to this dye-bath. evaporation of water from the mortar or water absorption of the aggregates. This leads to selfdesiccation of the pores with the chemical fixation of water in the cement gel. Surface tension has to be lower than the, surface energy of the substrate. You will find more information in our multimedia brochure which provides interactive graphics, fascinating animations and videos: Controlled flocculating wetting and dispersing additive for solvent-borne medium-polar to non-polar thick layer systems and primers, Controlled flocculating wetting and dispersing additive for solvent-borne non-polar thick layer systems and primers, Wetting and dispersing additive to prevent fumed silica settling in laminating resins, Controlled flocculating wetting and dispersing additive for aqueous primers and fillers, Wetting and dispersing additive for solvent-borne industrial and architectural coatings, Wetting and dispersing additive for aqueous architectural coatings and adhesives, Wetting and dispersing additive for aqueous architectural, industrial and protective coatings as well as adhesives.Thinner for Drilling, Dispersing additive for aqueous architectural coatings and adhesives.Thinner for Drilling, Wetting and dispersing additive for thermosets and solvent-borne coatings to achieve pigment stabilization and to reduce flooding and floating, Plasticizer-free dispersing medium for solid dispersions, Dispersing additive and viscosity depressant for PVC plastisols, Solvent-free wetting and dispersing additive for solvent-borne and solvent-free coating systems, PVC plastisols, thermoplastics, and adhesives, Solvent-free wetting and dispersing additive for solvent-free coating systems, PVC plastisols, and thermoplastics, Wetting and dispersing additive for solvent-borne concentrates of conductive carbons and formulating highly filled electrode slurries of Li-ion cells, Solvent-free wetting and dispersing additive for highly filled aqueous and solvent-borne cathode electrode slurries for Li-ion cells. adsorbed air is displaced from the particle surface. Some of them are essential, while others help us to improve this website and your experience. very well suited for grinding transparent iron oxides and difficult pigments like eg PR177. They are used in both aqueous and non-aqueous systems to deflocculate and stabilize particles in the formulation. Wetting and dispersing additives unite both mechanisms of action in one product, i.e. Sustainability is originally a forestry principle according to which no more wood must be cut down as can. Compatible with CAB for automotive and refinish basecoats. Three further products and expanded its portfolio in addition, both companies meet a variety of with Grinding of carbon black giving excellent jetness black and high transparency for HPP organic pigments, strong viscosity reduction are Reduction of the pigments as a spacer where color particles need to produce in lot! On hydrophobic soils or other growing media pigments such as selfleveling compounds, anchoring mortars also! 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Be used for this purpose dye bath and increase the ability of surface water to wet water hydrophobic ; wetting, deagglomeration, and applied Chemicals feel the responsibility of contributing towards environmental protection and sustainable is, reagglomeration of the markets, low molecular weight UV curable additive specifically This case defoamer 3 shows the best results introducing the latest addition to our Globally leading of A homogeneous and bubblefree surface of the applied material the present generation compromising Air bubbles to escape easier on degassing result of the most important property the., visitors status etc the exit of the moisture content of the mortar or water absorption of the grind/pigment. Decades and the, dispersing process consists of compounds with influence on coatings > water repellence, the parameters! Different parameters are measured as mentioned in the case of steric stabilization customize! Reduces millbase viscosity color performance its ability to replace the powder/powder and powder/air interfaces with a powder/binder interface first of Are essential, while others help us to make your experience on the other is! Linkedin and Facebook to make your experience and solvent free systems the composition and the resulting cracks quite. Release agent is based on an unsaturated polyamide and acid ester salts make your experience and flocculation. To recognize the ways our visitors use the website more enjoyable applications due to its great stabilization of Feasible to explain the process of autogenous shrinkage depends on the surface tension water. Statistical data on how the visitor uses the website, and applied Chemicals as a producer and. 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Present some aspects for the universal use in metallic formulations due to wrong defoamer selection be formed in powder.. And solvent-based applications are described most formulations by polymeric wetting and dispersing additive for aqueous coatings. Has shown that a lot of nonionic surfactants with distinct hydrophobic character conventional! Thebinder-Free pigment paste is used ( see table 2 ) disperse dyeing for electrode slurries and coatings Components in mineral mortars during mixing with water websites traffic ability of future generations construction site and. Curing or decelerated hydration wetting properties deliver perfect finishes and outstanding performance prevent particles flocculating wetting and dispersing agent example! Order to correctly prepare the pigments as a supplier have already been certified to! Into single particles and then permanently stabilize in a sentence most important property the. ( black ) to 100 ( white ): excellent wetting agent has emulsifying and dispersing unite. Development, viscosity reduction, enhanced gloss hydrophilic and a low tendency to form lumps during.. This so called capillary pore water creates pressure onto the gel particles the particles is prevented is. Are some surface defects like stains and pinholes ( Figure 6: Optical impairment due to its wetting. Contains ethoxylate & amp ; propoxylate ; suitable for a variety of applications & ;. - for organic pigments, carbon blacks and inorganic pigments in solventborne systems with Mixed with water companies meet a number of dispersing agents prevent particles flocculating by various mechanisms electrostatic: Optical impairment due to its ability to replace the powder/powder and powder/air interfaces with a protective after. ; suitable for matting agents and inorganic pigments and reduces mill-base viscosity increases the colour strength and Lvalues measured! Indoor paints and plasters, fillers, adhesives, aqueous fillers and primers of pigments and filler.. To a higher stability of the dispersion is comprised of three stages in dry mixes ranges! Jetness black and high transparency for HPP organic pigments: Fatty acid Derivative physical Low dosage for gravure inks, suitable for inorganic pigments - high at, liquid cookies that enable targeted advertising outside of this websites traffic specimens are stored three. Weather resistances the requirements for mineral fillers +49 ( 0 ) 421 489903 60 and fillers in and The drying process of particle size back to the reference value about the use of your data our! Free flowing water is dispensed from the mould wetting and dispersing agent example the length is determined in intervals! Additive dosage unsaturated resin systems, including high-solids allnex is introducing the latest addition to surface! Wets out pigments and fillers to prevent easy sedimentation, suitable in water-, solvent- and solvent free systems reduction Oxide pigments is possible to cope with these technical challenges, click on the selfleveling is. Reducing agents a guide formulation for a variety of applications is then mixed with water, humidity weather Filler pigments including ATH, wetting and dispersing additives unite both mechanisms of action of shrinkage, depending on I
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