Factic Acid

Lonvaud-Funel, A. (1999). Factic acid bacteria in the quality improvement and depreciation of wine. Antonie Van Leeuwenhoek 76,317-331. 

Because of their high reactivity, acyl halides and acid anhydrides are not found in nature. Carboxylic acids, on the other hand, are less reactive and are found widely in nature. For example, glucose is metabolized to pymvic acid. (S)-(+)-Factic acid is the... 

DESIGN AND SYNTHESIS OF DIFFERENT TYPES OF POLY(FACTIC ACID)... 

Clear unsaturated oils are vulcanised at room temperature with sulphur monochloride to give a white, friable solid which is nonstaining and suitable for use in coloured compounds. Crosslinking using sulphur monochloride produces a white factice, but care had to be taken in its use, for if not used when fresh it develops a high level of acidity which affects compound cures severely. The acidity can be removed by steaming the factice just prior to use. Modem white factices contain a small addition of alkali to counteract any developed acidity. 

Aromatic mineral oil plasticizers are highly compatible with nitrile rabber, NBR, naphthenic oils are only partially compatible, and paraffinic mineral oil plasticizers are incompatible with nitrile rabber.Dibenzyl ether, phthalates, and poly glycol ether are the most freqnently nsed plasticizers in NBR. Also, synthetic or fatty acid esters, vulcanized vegetable oils (factice), " chloroparaffins, and phosphate plasticizers are infrequent use. 

Silicic acid-silver nitrate columns (Barrett et al., 1962 De Vries, 1962, 1963,1964 Hirsch, 1961) have shown some advantage over the other techniques as a preparative tool of relatively high quantities of glycerides of similar unsaturation to be used for further resolution. Resolutions according to molecular weight occur on factice, a polymerized oil partition columns have had very limited use (B. C. Black and Hammond, 1963 Trowbridge et al., 1964). 

Technical uses of r. range from - metal-working fluids to - lubricants (biodegradable chain saw oil) and - factice. The oil and fatty acids are used in alkyd resins. The acid is a starting material for ->dimerization. 

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