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Glycolytic degradation, of PU wastes

Extensive studies have been made on glycolytic degradation of PU wastes. In a glycolytic process, powdered PU waste is suspended in a short-chain glycol and hated to a temperature of 185-210°C in nitrogen atmosphere. The glycolysis reaction takes place by way of transesterification of carbonate groups... [Pg.723]

The mixed polyols resulting from glycolytic degradation of PU waste is suitable mainly for the production of hard foam, such as insulating foam for houses. [Pg.723]

See also in sourсe #XX -- [ Pg.2 , Pg.3 , Pg.4 , Pg.5 , Pg.6 , Pg.7 , Pg.8 , Pg.9 , Pg.10 , Pg.11 , Pg.12 , Pg.13 , Pg.14 , Pg.15 , Pg.16 ]



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Degradation, waste

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