Search Results

Anti-reflection coating (hereafter abbreviated as AR coating) on the surface of cover glass can offer a meter without the hood. ...In addition, the AR coating has a high reliability for the instrument panels of automobiles. The AR coating meter offers new instrument panel design for Toyota Prius. ...Thin films of AR coating are uniformly deposited on a large polymethylmethacrylate substrate in an ambient atmosphere by sol-gel dip coating and cured at low temperature.

Polyurethane RIM based on MDI requires the application of a surface coating in order to provide the appearance and exterior performance required to meet automotive specifications. ...In this paper, coating application techniques and performance on the finished parts is discussed and also progress with the use of this coating on automotive windows, both in Europe and the United States, is reviewed, comparisons made with other approaches to the problem, and future developments discussed. ...In this paper, coating application techniques and performance on the finished parts is discussed and also progress with the use of this coating on automotive windows, both in Europe and the United States, is reviewed, comparisons made with other approaches to the problem, and future developments discussed.

In a car body painting system, the contribution ratio of phosphate treatment as the paint base coating reaches about 20% in corrosion resistance according to the analysis of variance of experimental results. ...With the zinc phosphate type conversion treatment, coating mainly consisting of hopeite and phosphophyllite is formed on the surface of steel sheet. ...With an electrodeposition paint base, corrosion resistance becomes higher as the content of phosphophyllite in the coating becomes higher. The reason for this may be sought in the dissolution of phosphate coating when ED paint is applied (solubility) and when it is decomposed during subsequent baking (heat resistance).

The restrictions and limitations of the preservative are discussed and examples of fracture surfaces before coating and after coating and exposure to a humidity cabinet are shown....Laboratory preservation techniques are not available to the engineer in the field so the fracture surfaces are best preserved by coating them with a material that can be easily removed later without damage to the fractures. In this paper, a preservative is described that is suitable for the protection of fracture surfaces both in the field and in the laboratory.

A relation is observed between AC OFF stage odor evaluations made on air conditioning system equipped with evaporators treated with current hydrophilic coatings, new developed hydrophilic coating and hydrophobic polyurethane varnish and SEM analysis results obtained on the same surface coatings before and after ageing. ...The purpose of this document is to present the study devoted to odor level decrease in the frame of the development of coating for evaporators. Odor evaluation of evaporators at the different stages of climatisation running shows higher level at the AC OFF stage, which potential cause is localized on the surface coating of the evaporator. ...Odor evaluation of evaporators at the different stages of climatisation running shows higher level at the AC OFF stage, which potential cause is localized on the surface coating of the evaporator. Moreover, regulation restricts strongly hexavalent chromium use that enters in composition of chromate/phosphate chromate conversion chemicals.

Along those lines, General Motors do Brasil started to develop a protective coating that is corrosion resistant and environment friendly. At first, this will be used for fasteners. ...This study describes metallic and organometallic coatings with an increased resistance to corrosion associated to temperature, free of such harmful metals as cadmium, nickel, lead, chromium, etc. ...The friction coefficient is also related to the performance (efficiency) of the screw joint. The coating is completely recyclable, special consideration being given to reduced energy consumption, reduced metal waste and simplified waste handling during coating application to control proliferation and usage of toxic substances.

As the use of polypropylene and other polyolefin-type plastics increases in automotive interior applications, the demand for coatings capable of adhering to these substrates increases. Tightening of VOC regulations makes older solvent-borne technology impractical. ...A one-coat waterborne coating for polypropylene offers performance without the high VOC of solventborne systems and also needs no primer, which is required by current waterborne coatings. ...A one-coat waterborne coating for polypropylene offers performance without the high VOC of solventborne systems and also needs no primer, which is required by current waterborne coatings. This paper will compare one-coat waterborne technology with that which is currently available in order to demonstrate the advantages this new technology possesses.

Important characteristics for the following facets are compared such as, typical application and functions; new developments and improvements; types of coatings, final and supplementary finishes; basic processes; controls of process and quality; requirements of coatings; problems posed in applying; and effects of design and handling. Phosphate coatings have an essential role in industry not only for corrosion preventive purposes but also for functional applications and for use as a production tool ...Phosphate coatings have been developed to serve many useful applications because of variations of coating obtainable, because of improvement in control, and development of new processes. ...Important characteristics for the following facets are compared such as, typical application and functions; new developments and improvements; types of coatings, final and supplementary finishes; basic processes; controls of process and quality; requirements of coatings; problems posed in applying; and effects of design and handling.

Additionally insufficient road illumination for the driver himself is another negative side effect that can be observed with poorly engineered coatings. In this contribution, a survey of various coating types, the underlying physical principles responsible for their effect and the technology used to realize such coatings are presented. ...Several examples of thin film coatings on the bulb surface applied by different coating technologies and the characterization thereof are given. ...Coatings on automotive bulbs are becoming increasingly more important. Environmentally friendly amber and red filter layers can be used on bulbs for signaling functions.

CLADDING of steel parts or assemblies with aluminum, through the use of a recently developed process which has been in commercial operation for two years, is described in this paper. Successful plant and field experience indicates that it can be applied at room and elevated temperatures in various types of atmospheres. This new process was originally designed to offer corrosion resistance caused by the collection of leaded fuel gas condensates in exhaust systems, and for other parts requiring high-temperature oxidation resistance up to 1600 F. However, it has since been used in a wide variety of applications.

The effect of variations in base steel chemistry and galvanneal coating structure on the operating window were also evaluated. While all variations exhibited an acceptable electrocoat operating window, there was a measurable difference between the five sheet steel products. ...There was no effect of the galvanneal coating structure or base steel chemistry on the operating window.

An advanced single-component in-mold coating has been developed for use in RIM encapsulated windows. The coating offers excellent protection from weathering with superior processing characteristics.

This method features a new coating technique rotating the vehicle body itself horizontally during the processes from just after the coating to the baking. This method allows to obtain the thicker coating than the conventional one, without the paint running by controlling the rotating speed and the viscosity of the paint. ...A new coating method improving the glossiness and smoothness of the finished surface compared with that by the conventional painting was developed. ...This method features a new coating technique rotating the vehicle body itself horizontally during the processes from just after the coating to the baking.

Environmentally friendly powder coatings have been used widely for primer coating and clear coating, but there is no precedent for its use for base coating. ...Environmentally friendly powder coatings have been used widely for primer coating and clear coating, but there is no precedent for its use for base coating. This time, we optimized the condition of surface treatment of pigment and hardening behavior of constituent resin in the melting process and succeeded in developing a metallic powder coating for aluminum wheels that fulfills the appearance and the quality requirements of aluminum wheels. ...This time, we optimized the condition of surface treatment of pigment and hardening behavior of constituent resin in the melting process and succeeded in developing a metallic powder coating for aluminum wheels that fulfills the appearance and the quality requirements of aluminum wheels.

Flame spray coating conditions, that allow the double layer coating by the same spray nozzle, have been determined for each layer. ...The authors, et al. have succeeded in the practical application of the abradable flame spray coating, used in aircraft engines for the prevention of air leakage and the improvement of efficiency, to automobile turbochargers for the first time in the world. ...In this paper, equations of relations between various flame spray coating conditions and the quality of coated film, which were derived from measured results, will be described.

In this application, it represents an alternative to a coating system wherein a zinc-rich paint is applied over a terne coating. This paper discusses certain aspects of the production, product testing and performance of Galfan coated tubing produced by Arc Tube Inc., Sault Ste. ...Galfan is an ILZRO-developed zinc-base alloy for coating ferrous products. It is essentially a zinc/aluminum alloy of eutectic composition (5.0% Al), to which has been added a small amount (nominally 0.05%) of cerium and of lanthanum. ...It is essentially a zinc/aluminum alloy of eutectic composition (5.0% Al), to which has been added a small amount (nominally 0.05%) of cerium and of lanthanum. The coating has excellent ductility and corrosion resistance. These qualities make it an ideal candidate for automotive tubing applications; it is currently being used in automotive transmission-oil cooler lines.

Multi-functional material that gives sound insulating properties is called sound insulating underbody coating. This paper describes the development of underbody coating material with powdered acrylic composition as an alternative to polyvinyl chloride resin. ...Underbody coating is used to prevent chipping damage of the automobile underbody and wheel well. Multi-functional material that gives sound insulating properties is called sound insulating underbody coating. ...This multi-functional underbody coating is the first application in the world with weight reduction and cost saving, and in a more environmentally acceptable manner.

As a result of our extensive research into conversion coatings we have succeeded in developing a completely new conversion coating system. The new conversion coating system uses completely different components to zinc phosphating and by comparison to zinc phosphating, the concentration of heavy metal ions is 70% lower and furthermore, no sludge is generated. ...The new conversion coating film is highly resistant to acids and alkalis. As a result the new conversion coating system achieves a very high corrosion resistance. ...The new conversion coating system uses completely different components to zinc phosphating and by comparison to zinc phosphating, the concentration of heavy metal ions is 70% lower and furthermore, no sludge is generated.

The US Environmental Protection Agency has initiated the development of several new air pollution emission standards to limit the emissions of hazardous air pollutants (HAP) from industrial surface coating operations. These rules will require the application of Maximum Achievable Control Technology (MACT) to reduce HAP emissions from new and existing surface coating operations. ...These rules will require the application of Maximum Achievable Control Technology (MACT) to reduce HAP emissions from new and existing surface coating operations. The Clean Air Act Amendments of 1990 mandated the development of these new rules and EPA intends to promulgate the surface coating MACT rules by November of 2000. ...The Clean Air Act Amendments of 1990 mandated the development of these new rules and EPA intends to promulgate the surface coating MACT rules by November of 2000.

Chemical vapor deposition (CVD), the deposition of solids by chemical reaction of gaseous feed materials, is older and more complex than vacuum coating. For a long time it remained a laboratory curiosity; however, in recent years, it has become firmly established in many areas of technology, and new applications are being found. ...However, to use it effectively requires an understanding of such factors as the chemistry of the available coating reactions, the chemical and thermal stability of the substrate being coated, and the effects on mass transport of the various vapor flow patterns encountered in coating objects of simple to complex shape. ...However, to use it effectively requires an understanding of such factors as the chemistry of the available coating reactions, the chemical and thermal stability of the substrate being coated, and the effects on mass transport of the various vapor flow patterns encountered in coating objects of simple to complex shape. The range of applicability of CVD is discussed with examples, and guidelines are given for successful coating.