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A platform for research: civil engineering, architecture and urbanism
Facile synthesis of potato starch sulfate magnesium salts
Potato starch blended with MgSO4 and conc. H2SO4 - Mg(HSO4)2 generated in situ - forms directly starch sulfate magnesium salts. Properties of the products depend, first of all, on whether convectional heating (60 - 70 deg C for 1 h) or microwave heating for either 30 min at 180 W or 5 min at 300 W is applied. Starch monoester and crosslinking diester are formed. The products are up to 95 % water-soluble. They were characterized by means of thermal gravimetry and differential thermogravimetry, FTIR spectroscopy, and elemental analysis for Mg. Resulting products are potential plasticisers for cement, mortar, concrete, or other products containing hydraulic binders.
Facile synthesis of potato starch sulfate magnesium salts
Potato starch blended with MgSO4 and conc. H2SO4 - Mg(HSO4)2 generated in situ - forms directly starch sulfate magnesium salts. Properties of the products depend, first of all, on whether convectional heating (60 - 70 deg C for 1 h) or microwave heating for either 30 min at 180 W or 5 min at 300 W is applied. Starch monoester and crosslinking diester are formed. The products are up to 95 % water-soluble. They were characterized by means of thermal gravimetry and differential thermogravimetry, FTIR spectroscopy, and elemental analysis for Mg. Resulting products are potential plasticisers for cement, mortar, concrete, or other products containing hydraulic binders.
Facile synthesis of potato starch sulfate magnesium salts
Eine einfache Synthese von Kartoffelstärkesulfat-Magnesiumsalzen
Staroszczyk, Hanna (author) / Tomasik, Piotr (author)
e-Polymers ; 1-12
2005
12 Seiten, 6 Bilder, 5 Tabellen, 21 Quellen
Article (Journal)
English
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