Amietol M12 (MDEA) is a clear hygroscopic liquid with an amine-like odor. The freshly distilled product is colorless, but prolonged storage may cause a yellowish discoloration.</p> <p>The principal applications for Amietol M12 include:</p> <p><strong>Detergents</strong><br> The amino-alcohol functionality of MDEA makes it a very useful precursor for fatty ester quaternaries (also called esterquats).</p> <p>These compounds are commonly used as active substances in fabric softeners and are a good alternative to the TEA-esterquats (based on triethanolamine), in terms of both biodegradability and cost/performance.</p> <p>Typically the MDEA is first esterified with 2 molecules of fatty acid (mostly C12-acid or stearic acid). The amino fatty acid diester is then quaternized with methyl chloride to give the esterquat.</p> <p><strong>Coatings</strong><u> </u><br> MDEA can be used in the cationic modification of acrylic polymer dispersions.<br> </p> <p><strong>Textiles</strong><u> </u><br> In the production of silicone-based textile finishing agents, MDEA is used in combination with perfluoroalkyl polymers.<br> </p> <p><strong>Paper chemicals<br> </strong>By reaction with epichlorohydrin and formic acid hydroxy functionalized quaternary ammonium compounds based on MDEA can be transformed into cationic polyurethanes, useful as paper sizing agents. </p> <p><strong>Pharmaceuticals</strong><u> </u><br> MDEA can be used as a precursor for the following pharmaceutical active substances:</p> <p>Chlormethine (bis-(2-chloroethyl)-methylamine)<br> Mepiridine (1-methyl-4-phenyl-4-piperidinecarboxylic acid ethyl ester) </p>
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