Nitrocellulose lacquers preparation

Uses Denaturant for ethyl alcohol solvent for paints, varnishes, cellulose acetate, nitrocellulose lacquers, resins, fats, oils, and waxes preparation of methyl amyl alcohol in hydraulic fluids and antifreeze extraction of uranium from fission products organic synthesis. 

The principal component of ptimary amji alcohol, 1-pentanol, although itself a good solvent, is useful for the preparation of specific chemicals such as pharmaceuticals and other synthetics (153,154). Production of ptimary amji acetate and its esters for solvent appHcations has seen low growth since the 1970s because of the decline of nitrocellulose lacquers and the introduction of new solvent systems. 

The preparation of nitrocellulose lacquers is simple and involves dissolution and mixing procedures. The viscosity should be compatible with the equipment used. 

In order to study the various colors produced, the combination pigments were incorporated into a nitrocellulose lacquer and coated on glass slides. The colors were observed visually and some were analyzed using a goniospectrophotometer. The glass slides were prepared in the following manner. 

Isobutanol is used as a chemical intermediate in the preparation of isobutyl esters, isobutyl amines, and in isobutylated urea or melamine-coating resins. Isobutanol is used as a solvent in coating formulations with or without the cosolvent n-butanol. Nitrocellulose lacquers use isobutanol as a latent solvent, while the alcohol is an active solvent in automotive and furniture finishes, lacquers thinners, and hot spray lacquers. 

Uses Solvent for cellulose acetate, crude rubber, natural resins, nitrocellulose, vinyl resins, waxes, fats, oils, shellac, rubber, DDT, and other pesticides preparation of adipic acid and caprolactum additive in wood stains, paint, PVC paints, lacquers (to prevent blushing or improve flow), and varnish removers degreasing of metals spot remover lube oil additive in PVC adhesives to control evaporation rate leveling agent in dyeing and delustering silk. 

OTHER COMMENTS used as a solvent for nitrocellulose, cellulose acetate, celluloid, vanous oils, fats, resins, waxes, dyes, tars, lacquers, and eoating compositions used as a preservative in pharmaceutical preparations utilized in some antifreeze solutions, in hydraulic compression fluids, and in metal-cleaning compounds useful as a stripping agent and as a laboratory reagent. 

OTHER COMMENTS used as a solvent for dyestuffs, gums, resins, waxes, oils, nitrocellulose, and ethylcellulose utilized in the manufacture of solvents, lacquers, plasticizers, and lubricant additives useful in organic synthesis, in froth flotation, and in the preparation of brake fluids. 

Low-viscosity nitrocellulose is used to prepare high-solids lacquers. Since low-viscosity nitrocellulose produces hard to brittle coating films, plasticizers and plastify-ing resins must be added to the lacquer formulation. They are used in putty, dipping paints, and printing inks. 

This ketone is a colorless, stable liquid, miscible with mast lacquer solvents ond only very slightly soluble in water. It is used os a high-boiling solvent for nitrocellulose and is particularly applicable in vinyl resin finishes, where its slow rate of evaporation prevents quick drying, improves the flaw and gives blush resistance also used with some effect in insecticidal preparations. 

Ethylhexyl acetate is o water-white, stable liquid. It will dissolve nitrocellulose and many of the natural ond synthetic resins. It is used in slow-evoporating preparations such os brushing and dipping lacquers, mist coatings, baking finishes and lacquer emulsions. 

Natural and synthetic rubber and synthetic resins are soluble in organic solvents resulting in cements, resin solutions, or lacquers. In addition, there are many cellulose derivatives, such as nitrocellulose, ethyl cellulose, and cellulose acetate butyrate, used in preparing solvent-based adhesives. Solvent-hased adhesives are also prepared from cyclized rubber, polyamide, and polyisobutylene. Low-molecular-weight polyurethane and epoxy compounds can be used with or without solvent. On the other hand, high-molecular-weight types or prepolymers require solvent to make application possible. 

Name given to synthetic, thermosetting resins processed from polyhydric alcohols and polybasic acid or anhydrides. These unsaturated polyesters are prepared by esterification of a polyfunctional alcohol (e.g., glycerin) with phthalic anhydride in combination with fatty acids or rosin acids (molecular weight about 2,000 to 5,000). These resins are frequently modified by incorporation of, e.g., nitrocellulose, NC, or phenolics. AUcyds are used mainly as lacquers. 

Nail lacquers, or naU polishes, consist of resin, plasticizer, pigments, and solvents. The most commonly used resin is nitrocellulose or cellulose acetate butyrate, prepared by esterification of celluloses with nitric acid, with a degree of substitution between 1.8 and 2.3 nitrate groupings per anhydroglucose unit. Ethyl acetate, butyl acetate, isopropyl alcohol, and toluene are typical solvents. Toluenesulfonamide-formaldehyde resin [25035-71-6] and similar polymers, for example, the terpolymer of 2,2,4-trimethyl-1,3-pentanediol, isophthalic acid, and trimeUitic anhydride, are the resins of choice as secondary film formers for optimal nail adhesion. Other resins, such as alkyds, acrylates, and polyamides, can also serve as secondary film formers. 

The de Chardonnet (nitrocellulose) process was reported in 1884 to prepare cellulose nitrate cellulose nitrate prepared by this process continues to be an important commerical inorganic esier of cellulose. Originally, nitrocellulose was extruded to yield one of the first regenerated textile fibers. Principal uses of cellulose nitrate are in the manufacture of explosives, films, cements, lacquers and plastics. ... 

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