Cellulose resin

Tough Ethoceh Ethjl Cellulose Resin, The Dow Chemical Company, Midland, Mich., 1974. 

The heat exchanger fins from aluminum or its alloy are coated with aqueous solution containing a water-soluble cellulose resin or polyvinyl alcohol and a surfactant to form a hydrophilic film. Phosphoric acid ester was used as anionic surfactant (0.05-4.5%) in aqueous solution to form a hydrophilic film showing contact angle with water of 5-32° [288]. 

Cellulose acetate resin Cellulose-acetate-propionate resin Cellulose-acetate-butyrate resin Cellulose nitrate resin Ethyl cellulose resin Rayon... 

Uses Plasticizer for cellulose resins moth repellant camphor substitute in cellulose solvent manufacturing of smoke candles and explosives rubber vulcanization accelerator insecticide refining aluminum alloys. 

Uses. Solvent for pigments, cellulose, resins, oils, fats, and hydrocarbons hydraulic brake fluid antifreeze... 

In addition to these commoner types, there are many commercial varieties, containing various ingredients, some having for their basis tar, asphalt, rubber, nitro- or acetyl-cellulose, resin soap, borates, dextrin, etc. 

Several nitrate paraffins (e.g., nitromethane, nitroethane and nitropropane) are used as solvents for cellulosic resins and for vinyl and epoxy surface coatings. Nitromethane is also used as a chlorinated solvent stabilizer. It is estimated that the annual consumption of nitric acid for nitroparaffin production is in the 30,000 tonne per year range. 

Emulsion Adhesives. The most widely used emulsion-based adhesive is that based upon poly (vinyl acetate)—polytyinyl alcohol) copolymers formed by free-radical polymerization in an emulsion system Poly(vinyl alcohol) is typically formed by hydrolysis of the poly (vinyl acetate). The properties of the emulsion are derived from the polymer employed in the polymerization as well as from the system used to emulsify the polymer in water. The emulsion is stabilized by a combination of a surfactant plus a colloid protection system. The protective colloids are similar to those used paint (qv) to stabilize latex. For poly (vinyl acetate), the protective colloids are isolated from natural gums and cellulosic resins (carboxymethylcellulose or hydroxyethylcellulose). The hydrolized polymer may also be used. The physical properties of the poly (vinyl acetate) polymer can be modified by changing the co-monomer used in the polymerization. Any material which is free-radically active and participates in an emulsion polymerization can be employed. Plasticizers (qv), tackifiers, viscosity modifiers, solvents (added to coalesce the emulsion particles), fillers, humectants, and other materials are often added to the adhesive to meet specifications for the intended application. Because the presence of foam in the bond line could decrease performance of the adhesion joint, agents that control the amount of air entrapped in an adhesive bond must be added. Biocides are also necessary many of the materials that are used to stabilize poly (vinyl acetate) emulsions are natural products. Poly(vinyl acetate) adhesives known as "white glue" or "carpenter s glue" are available under a number of different trade names. Applications are found mostly in the area of adhesion to paper and wood (see VlNYL POLYMERS). 

There are two problems that must be anticipated, however. First sufficient cellulosic resin must be added. This may be determined by removing small samples of the solution and determining the amount of resin needed to bind as much protein as will bind. Once this has been done the amount of resin needed per unit weight of soluble protein may be calculated. In practice, this allows one to perform a simple biuret protein determination and calculate the quantity of resin needed. It is also advisable to spend a small amount of time determining which of the cellulosic resins (i.e., DEAE, CM, cellulose phosphate) and which experimental conditions yield the best results on a small scale before proceeding to large scale operations. 

Polytetrafiuoroethylene (PTEE) microporous composite membranes were prepared in a similar way [62] using silica derivatives and ion exchange or iminodiacetate-cellulose resins embedded in the PTEE matrix and is used mainly for protein separation and water purification. 

Used as a plasticizing agent for cellulose acetate butyrate. Used in die production of food contact cellulose nitrate resins, ethyl cellulose resins, PMMA resins, and polyvinyl acetate. 

Use Plasticizer for polyvinyl and cellulosic resins, organic intermediate. 

Properties Colorless, viscous liquid. Bp 227-234C (4.5 mm Hg), fp -60C, refr index 1.480 (20C), d 0.965 (25C), flash p 395F (201C). Insoluble in water compatible with vinyl chloride resins and some cellulosic resins. Combustible. 

Fig. 14. Structure of a cellulose resin with diaminodibenzo[18]crown-6 anchor groups...

Epichlorohydrin or chloromethyloxirane is manufactured from allyl chloride, and, in 2006, had a merchant price of US 1.66 kg [4]. It is used as a building block in the manufacture of plastics, epoxy resins, phenoxy resins, and other polymers, and as a solvent for cellulose, resins, and paints, and has also found use as an insect fumigant. Epoxy resins (aryl glycidyl ethers) are manufactured successfully in large scale (1.2 x 10 metric tons in 2000) [26] and are widely used in a variety of industrial and commercial applications [27]. These are made by addition reactions of epichlorohydrins or by epoxidation of allyl ethers or esters (Table 1.1). Epichlorohydrin can be reacted with an alkali nitrate to produce glycidyl nitrate, an energetic binder used in explosive and propellant compositions. 

Tariff Commission, Production and Sales of Plastics and Resin Materials, Facts for Industry, Series 6-10, monthly with annual summaries. May 1945 to date. Includes data on both synthetic and cellulosic resins. Formerly Series M 19H (May 1945-September 1948). 

Microwave-assisted syntheses of pyrazoles and isoxazoles have been achieved by cyclocondensation reactions of R-ketoesters and P-ketoamides, l-(dimethoxyme-thyl)imidazole, and hydrazines or hydroxylamine on a solid phase, using a novel aminophenyl-substituted cellulose resin [86]. 

Resins with cellulosic matrices are much more hydrophilic and these do not tend to denature proteins. Cellulosic resins have been used extensively in the laboratory analyses of biological materials, enzyme immobilizations and small scale preparations. The low capacity and poor flow characteristics have limited the usefulness of these matrices for larger applications. 

After use, regenerate the oligo(dT)-cellulose resin with 10 ml wash buffer, 10 ml H20 and 10 ml lx load buffer. Store the column at 4°C. 

Phthalates are often used as plasticisers for polyvinyl, polyvinyl chloride or cellulose resins. They are esters of phthalic acid. The absorption maxima of diethylphthalate, dibutylphthalate and butylbenzylphthalate are around 275 nm (Fig. 64). 

TBC. [Croda Surf. Ltd.] Tributyl citrate plasticizer for vinyl and cellulose resins. 

USE Solvent for cellulose acetate, ethyl cellulose, benzyl cellulose, resins, oils, waxes, oil and spirit-sol dyes, and many other organic as well as some inorganic compds,... 

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