A METHOD FOR OBTAINING POLYGUANIDINES
The invention relates to the synthesis of polyguanidines. The proposed method comprises polycondensation of polyguanidine salt with diamine in heating, which is performed in the presence of the presence of organic acid or mixture of organic acids. Heating is performed stepwise: gradual increase of t...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention relates to the synthesis of polyguanidines. The proposed method comprises polycondensation of polyguanidine salt with diamine in heating, which is performed in the presence of the presence of organic acid or mixture of organic acids. Heating is performed stepwise: gradual increase of the temperature to 120-130 DEGREE C and keeping at the same temperature during 0.5-1.0 hours, increase of the temperature and keeping at the temperature of 150-160 DEGREE C during 3.5-4.0 hours, increase of the temperature and keeping at the temperature of 170-180 DEGREE C during 1.0-1.5 hours. A method allows to more completely and for shorter time obtain polyguanidine with an increased biological activity. Obtained polyguanidines are not toxic and can be used more efficiently for cleaning potable and sewage waters , for obtaining antiseptic, cosmetic or disinfecting agents. |
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