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Ian Denisov
Ian Denisov

Art Of Gloss 14


AMACO Gloss Glazes fire to a smooth, glossy finish ^06-04. Always slow fire lead free glazes for best results. AMACO Gloss Glazes flow slightly during firing to a high gloss finish, while correcting most application imperfections. Certified Non-Toxic, Lead-Free.




Art Of Gloss 14



As a general rule of thumb, a gloss coating will give your photos and printed products an exquisite shine, high color saturation, and provide additional protection against stains and damage. A matte coating, on the other hand, will give your photos and prints an overall subdued appearance with softer colors and a slight sheen. Whether you decide to go with a matte finish or a glossy finish will ultimately depend on personal preference and/or brand aesthetic, but there are some practical considerations to keep in mind as well. Read on for our tips and recommendations on how to choose the best finish for some of our most popular print products!


When it comes to business cards, our 14 pt. gloss cover stock is by far the customer favorite. The gloss coating offers extra protection from damage and will give bright solid colors a beautifully lustrous appearance. A glossy stock is also the paper of choice for most photo business cards, as headshots and portfolio images will look polished and elegant.


Whether to print your Postcards on glossy or matte paper will depend on many factors, including your card design and reason for mailing. If you are promoting a real estate business or restaurant, a glossy finish can help your photos look flawless and compelling. Similarly, if your postcard is advertising a significant event such as a grand opening or clearance sale, a glossy finish will provide greater contrast between colors for a more dazzling result. For personal-use postcards including travel postcards, save the dates, and holiday cards, many people prefer to print on matte paper for a cozier feel (plus the matte coating is easier to write on).


A glossy stock is a great default option for professional-quality Brochures that inspire people to take action! For example, a travel agency or catering company that understands the power of gleaming, highly-saturated photos may prefer glossy brochures to sell their products or services.


Although matte brochures are not as common, there are times when a dull finish might be more appropriate. If your brochure design revolves around bold typography or infographics rather than pictures, a matte finish will be more fitting for the end product. Additionally, some institutions such as history museums or prestigious universities may find non-glossy paper to be more aligned with the serious nature of their industries.


A matte finish is a perfect complement to a more muted color palette or a design that incorporates retro elements such as a rustic background image and old-world fonts. If you are printing a large poster to display in a sunny or a brightly-lit environment, a matte finish will be easier to view behind a glass frame. However, if you prefer the look of a glossy poster, you can purchase an anti-reflective glass frame, which helps diffuse light that is shining onto the print.


The majority of Booklets and Catalogs are printed on glossy paper, as the finish can help protect the pages from damage and makes full-color photos appear lively and appealing. A glossy finish is noted for its superb color reproduction qualities, making it the ideal choice for most retail and commercial catalogs that rely on vivid high-resolution images.


A perceptually uniform gloss space was defined in Pellacini et al. [2000] as a reparameterization of the Ward BRDF model. Two dimensions, distinctness-of-image gloss and contrast gloss, were found to be enough to describe gloss perception, and the CIELAB lightness function was added to represent the diffuse component.


It has been a desideratum in the art to provide water-in-oil emulsion solvent resin enamel compositions which are capable of producing coatings having good hiding power or high gloss, and which are possessed with an adequate shelf life for commercial use. These enamels include water as part of the evaporative vehicle and comprise a dispersion, through the use of suitable emulsifying agents, of up to 80% by weight of water in a solution of organic solvents and a solvent soluble film-forming resin. The compositions further contain organic and inorganic polar pigments to impart color to the resultant film or coating. The dispersion of water in such compositions is not without problems where a polar pigmented enamel coating is desired.


While water-in-oil emulsion coating compositions have produced high gloss clear films and non-polar pigmented enamel coatings having a gloss of seventy units or above on a 60.degree. gloss meter, when polar pigments are dispersed in the water-in-oil solution resin compositions the resultant gloss was found to be lower. In addition, it was found that after the initial mixing and testing of the polar pigmented enamels, the gloss of the coating produced by the enamel deteriorated with age. For example, after the enamel became a few days old, the composition deteriorated to the extent that it produced a gloss of only twenty to thirty units as compared to nearly eighty when the cans were one day old. Examination of the drying film of these enamels established that the loss of gloss was caused by pigment flocculation due to the adsorption of water on the surface of each pigment particle. During storage, the emulsified water is able to penetrate the organic surfactant which became attached to each pigment particle during the dispersion process, and disrupt the balance of the electrical charges within the paint system. This results in large pigment flocs being formed during the time that the enamel is passing through the drying stage i.e. from a wet condition to a tacky condition. Aside from the above-described problems with gloss enamels, such polar pigment flocculation has caused pigment dispersion problems in both semi-gloss and flat water-in-oil emulsion enamel paints.


The emulsion compositions of the present invention advantageously produce a polar pigment enamel finish having high gloss and/or good hiding power, and which resists the pigment flocculation during storage, through the use of titanium derived coupling agents which confer a hydrophobic nature to the pigment particles. Thus, the electrical balance of the polar pigment in the wet enamel is maintained and the particles are prohibited from flocculating into clusters of relatively enormous size, which heretofore had produced a loss of hiding power and a low gloss.


Resins which may be used to produce emulsion gloss enamels are the organic solvent soluble resins traditionally found in gloss paint compositions, including vinyl toluene modified alkyd resins, acrylic modified alkyd resins, styrene modified alkyd resins, aromatic hydrocarbon resins, acrylic/vinyl toluene modified alkyd resins and styrene/vinyl toluene modified alkyd resins.


In a water-in-oil emulsion enamel composition consisting of resin, solvents, polar pigment, water and an emulsifier system having a hydrophile-lipophile balance (HLB) of from two to six, titanium derived coupling agents such as isopropyl tri(dioctylphosphato) titanate, isopropyl tridodecylbenzenesulfonyl titanate and isopropyl tri(dioctylpyrophosphato) titanate may be advantageously used as the only surfactant in the pigment dispersion process in the manufacture of the enamel. In addition, it has been discovered that amine salts of pyrophosphato titanates are able to not only disperse the enamel pigment but also may serve as the only emulsifier in a gloss, semi-gloss or flat water-in-oil emulsion enamel. In addition, the use of water insoluble titanium derived coupling agents and amine titanate salts will prevent the microscopic leaching of the dispersant from the film upon exposure to moisture, and protect against the formation of a porous film which will provide a progressively lower degree of protection to the substrate.


This enamel was packed in an aerosol can with a propellant, a mixture of propane and isobutane, in the ratio of 30% propellant and 70% enamel. When sprayed from the container to a test panel, the enamel produced a gloss reading of approximately eighty when measured on a 60.degree. gloss meter.


However, after having been stored for four days in the aerosol container, the gloss of the enamel sprayed from the aerosol container was reduced to approximately twenty-five units. Examination of the test panels showed that the reduction in gloss resulted from the flocculation of the pigment particles during storage, which resulted from the failure of known pigment dispersants to sufficiently encapsulate each pigment particle.


The compositions of Examples II through V were prepared in a like manner. Each of the compositions of Examples I through V, when brushed or combined with a hydrocarbon propellant miscible in the continuous phase and sprayed from aerosol containers, provided enamel coating having an initial gloss of from 70 to 80 units. After three months of storage, the gloss of each remained in excess of 70 units.


Gloss White Enamel having stable gloss characteristics and using the acrylic functional amine salt of di(butyl, methyl pyrophosphato) ethylene titanate di(dioctyl, hydrogen phosphate) (KR 262A) as the pigment dispersant and emulsifier:


The compositions of Examples VI and VII were prepared by the method hereinbefore described, with the omission of the emulsifying agents previously employed, and produced stable emulsions and coatings having a gloss in excess of 70 units upon mixing and after long storage.


Additional advantages in the use of titanium derived coupling agents and amine salts thereof were found in semi-gloss and flat enamel as well as gloss compositions. The additives of the present invention were found to substantially improve the pigment strength and thus the hiding power of the various enamels including those using relatively non-polar pigments such as carbon black. This improvement was shown in a marking paint composition primarily employed in the production of lines, numbers or other indicia on grass, or pavement. By the nature of its use, hiding power is of utmost importance in this product.


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