Cellulose generally

Cellulosics generally resist oils, greases and aliphatic hydrocarbons Aromatic or chlorinated hydrocarbons, detergents have a limited effect... 

FMC (1993). Avicel Cellulose Gel (.Microcrystalline Cellulose) General Technology. FMC Corporation, Philadelphia, PA Novagel Cellulose Gel, FMC Corporation, Philadelphia, PA. 

At equilibrium and at a particular RVP, the amount of adsorbed water held by a cellulose generally will be greater if it has been obtained following desorption from a higher RVP and not by adsorption from a lower RVP. The cause of this hysteresis is not fully established [303]. One explanation is based on the internal forces generated when dry cellulose swells, limiting the amount of moisture adsorbed whereas when swollen cellulose shrinks, stress relaxation occurs since the cellulose is plastic and permits a higher uptake of moisture. 

Reaction Conditions. The hydrolysis rate of cellulose generally increases with increasing acid concentration (Fig. 5). The conversion of cellulose in... 

Plastics Coatings Adhesives Ceramics Regenerated cellulose General Other Rubber... 

Methylene Blue test can also be used to differentiate between oxycellulose and hydrocellulose. Methylene Blue is a cationic dye. Standard cellulose generally has no affinity for Methylene Blue, but oxycellulose with the formation of carboxyl groups confer an affinity and can be sorbed onto cotton. For this purpose. Methylene Blue absorption tests are carried out both at pH of 7.0 and at a pH of 2.7 (acidic). Two pieces of fabrics to be tested are taken and treated one with Methylene Blue at a pH of 2.7 and the other at pH 7.0. If oxycellulose is present, the material will absorb less dye in the acid than in the neutral solution, whilst reverse is the case if hydrocellulose is present. The degree of staining will indicate the extent of degradation. 

The degree of polymerization (DP) of native celluloses depends on the source, and is not well established. Indeed, the combination of procedures required to isolate, purify, and solubilize cellulose generally causes scission of the chains. The DP values obtained are therefore minimal and depend on the methods used. Values of DP ranging from hundreds to several tens of thousands have been reported.For the same reasons the distribution of chain lengths of cellulose is not well established. Nonetheless, some authors suggest that the molecular mass distribution must be homogeneous for a cellulose of a given source. ... 

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