IT1035174B - Quat. ammonium poly-electrolytes with formal, acetal or ketal gp - in chain, prepn. and use for coagulating aq. dispersions
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Quat. ammonium poly-electrolytes with formal, acetal or ketal gp - in chain, prepn. and use for coagulating aq. dispersions
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IT1035174B
IT1035174BIT4892375AIT4892375AIT1035174BIT 1035174 BIT1035174 BIT 1035174BIT 4892375 AIT4892375 AIT 4892375AIT 4892375 AIT4892375 AIT 4892375AIT 1035174 BIT1035174 BIT 1035174B
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Polymeric quat. ammonium salt (I) is a novel cpd. with recurring units of the formula (I): (where Q has the formula: R1-2 are each alkyl, alkenyl, aralkyl or aryl or together form a non-aromatic heterocycle; R3-8 independently are H, alkyl, alkenyl, aralkyl or aryl or R3/R5 and R7/R8 can form an alkylene gp. Y is alkylene, arylene, alkenylene, aralkylene, arylene-dialkylene or Q; more than one Y gp. can be present in the same mol.; X is Cl, Br, I or MeSO4; x = 2-1000). (I) are used for the coagulation of a colloidal aq. dispersion e.g. sewage, waste liquor from paper mills, metal plating processes and other industrial sources.
IT4892375A1974-05-031975-04-03Quat. ammonium poly-electrolytes with formal, acetal or ketal gp - in chain, prepn. and use for coagulating aq. dispersions
IT1035174B
(en)
Procedure for the preparation of derivatives of 3-amino 1,2-benzisotiazol N-disustituidos. (Machine-translation by Google Translate, not legally binding)
Procedure for the sensitization to the heat of dispersions of aqueous, anionic and non-ionic polymers. (Machine-translation by Google Translate, not legally binding)