A Cost-Effective, Water-Reducible Polyester Polyol for Two-Component Waterborne Urethane Coatings
(Feb 10, 2004)
The 1990s brought the introduction of the first commercially available two-component (2K) waterborne polyurethane coatings technology in an effort to address VOC concerns and performance issues with...
New Silicone Foam-Control Agents For Waterborne Coatings
(Jan 26, 2004)
Environmental concerns over the levels of volatile organic compounds (VOCs) released into the atmosphere have exerted pressure on the coatings industry to produce waterborne alternatives for almost...
Development of VOC-Compliant Binders for Interior Wood Coatings
(Jan 14, 2004)
Special demands apply to lacquers and paints designed for furniture. Requirements for stackability, fast drying and resistance to blocking, solvents, chemicals and UV light all call for a thorough...
Graphite: A multifunctional additive for paint and coatings
(Jan 5, 2004)
Graphite is familiar to most people as the "active ingredient" in lead pencils. However, its use in writing instruments is far outweighed by a myriad of other industrial applications whose performance...
Overcoming Substrate Wetting Problems
(Dec 17, 2003)
This article covers different areas of application and the suitability of the different wetting agents in those areas. In addition, we consider the influence of the wetting additives' chemical...
Polyester Polyols for Water-Resistant Polyurethane Coatings
(Dec 3, 2003)
Polyurethanes provide an obvious route to very high performing coatings, and have long been used in solventborne systems. Polyurethanes can be made waterborne, and have been used successfully as such...
Polyurea Spray Coatings: The Technology and Latest Developments
(Nov 24, 2003)
Polyurea spray coating technology is a recent development in the polyurethane coatings industry. Polyurethane chemistry is about 60 years old. Since the 1970s elastomeric urethane coatings have been...
Surface Modifying Additives: The Final Touch for your Coatings & Inks
(Nov 12, 2003)
The surface of coatings and inks is exposed to "the outside world" and has to withstand some severe circumstances which may lead to a fast degradation of the system itself. Besides this, the surface...
Self Crosslinking Polymeric Dispersants Used in Emulsion Polymerization
(Nov 3, 2003)
Several properties are important for high-performance coatings, including the following.
* Hardness and scratch resistance
* Anti blocking (for stacking recently coated substrates)
The Effect of Water Resistance on the Durability of Waterborne Coatings
(Oct 22, 2003)
Water resistance, UV resistance and the ability to resist damage on thermal cycling are some of the main components that determine exterior durability of many types of coatings. In particular, those...
Surface Modified and Rheologically Improved Organic Pigments
(Oct 1, 2003)
Environmental considerations have stimulated research on many high-performance pigment surface modifications as well as the applications of polymeric dispersants to improve rheological characteristics...
Powder Coatings Additives
(Sep 18, 2003)
The high performance of powder coatings is further increased by the use of additives. Additives are designed to improve properties such as prevention of discoloration during powder coating resin...
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Increasing Adhesion of UV Coatings on Wood
(Sep 10, 2003)
Coatings on wooden substrates for furniture, flooring and interior are a main application for radiation curing lacquers. Increased adhesion is an important target for development of UV coatings on...
Nano Structured Coatings with High Wear Resistance and Superior Photostability/Weatherability
(Sep 3, 2003)
Organic-inorganic hybrid systems present promising applications as protective coatings. Sol-gel processing has been widely used to prepare organic-inorganic hybrid materials. By sol-gel, it is...
Recent Advances in Waterborne Two-Component Polyurethanes
(Aug 27, 2003)
Polyurethane systems are widely used in a variety of coatings applications. Apart from their decorative aspects, these systems are extraordinarily resistant against chemicals and have very good...
Kaolin Clay: Functional Optical Additives
(Aug 20, 2003)
Kaolin is the common name for the mineral products comprised totally or substantially of the aluminum silicate clay mineral kaolinite. Milled and air-classified grades of raw kaolin may contain small...
Encapsulated Gold Bronze Pigments
(Aug 13, 2003)
A new line of colorful effect pigments, based on gold bronze pigments, was recently developed for the coatings industry. The copper and copper-zinc pigments are encapsulated with a thin silica layer,...
The Benefits of Microspheres
(Aug 6, 2003)
As paint formulators face the challenges of a tougher regulatory environment, aggressive competition and greater customer demands, they must reach deeper into their tool boxes to deliver solutions....
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Controlling Microbial Contamination
(Jul 30, 2003)
Microorganisms are ubiquitous in the environment. Many of them have simple requirements for growth, which can be met by a range of waterborne surface coatings in their wet state. Typical...
The Chemistry and Physics of Special-Effect Pigments and Colorants for Inks and Coatings
(Jul 23, 2003)
# Each specialty colorant has a specific attribute that makes them stand out when compared to regular colorants and pigments. To be able to describe these attributes, the following definitions must be...