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Intermediate Technology Development Group

Myers, D. and Stolton, S., Organic Cotton—from Field to Final Product, Intermediate Technology Publications, Intermediate Technology Development Group, 103-105 Southhampton Row, London, WCIB 4HH, UK., 1999. [Pg.152]

The synthesis of 3-unsubstituted cephalosporins demonstrated a gratifying application which accrued from research technology developed for the total synthesis of cephalosporin C. Having at hand a suitable intermediate and a know-how in constructing the cephem system, the Woodward group in Basel decided to prepare cephalocillin. This new substance is, in fact, a hybrid of the cephalosporin and penicillin structures, devoid of a substituent at the 3-position. [Pg.170]

More recendy, however, the technology of introducing a new functional group to the double bond of allyl alcohol has been developed. Adyl alcohol is accordingly used as an intermediate compound for synthesizing raw materials such as epichlorohydrin and 1,4-butanediol, and this development is bringing about expansion of the range of uses of allyl alcohol. [Pg.71]

The previous discussion on chemistry showed that oil components are intermediates that are susceptible to consecutive decomposition reactions, i.e., cracking and condensation. It is therefore essential to remove them from the reaction environment as soon as they are formed. In other words, the volatile components should have a very short residence time. The Pyrolysis process also requires the supply of heat to drive all these cracking and decomposition reactions. An elegant answer to these two challenges has been proposed and developed by van Swaaij et al. [30] and forms the basis of the Pyrolysis process that is commercialized by BTG, the Biomass Technology Group BV [31]. [Pg.33]

The development of new polymeric structures for different technological applications usually requires knowledge about properties of this material. The prediction of properties using additive group contribution method is a valuable procedure adopted during the developments presented here. The group contribution method concept was applied to obtain viscosity data versus temperature, an intermediate step of the free-volume parameters estimation procedure (equation (2) inputs). Detailed concepts about prediction of polymer properties were studied and applied as presented in specific literature (Van Krevelen, 1992 Bicerano, 2002). Equations (4) and (5) are the key equations of the procedure to obtain zero shear viscosity predicted data. The references adopted in this section also allows to predict many others polymer properties. [Pg.177]


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Development group

Development technology

Intermediate Technology

Technological developments

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