Synthesis and characterization of new am
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W. Marconi; A. Martinelli; A. Piozzi
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Article
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1995
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Elsevier Science
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English
โ 402 KB
New segmented polyurethanes containing in the chain extender molecule (dihydroxyethyl-nhexadecylamine, DHHA) both a hydrophobic long alkyl group and a tertiary ammonium group (whose polarity was further increased by quaternization reaction), are described. In order to evaluate the influence of the c