Flocculating agent for water purification comprises a

Cationic polymer has an I.V. of 0.25-3.0 dl/g. in 0.1 NaCl soln. at 30 deg.C., and has repeating units of formula:- where A = NR1R2, PR3R4, or SR5 R1 and R2 = H, lower alkyl, aralkyl, phenyl, or an ammonium substituted lower alkyl group with H atoms, lower alkyl groups or mononuclear aryl groups as...

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Bibliographische Detailangaben
1. Verfasser:	BERGEN BUTLER,GEORGE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	Cationic polymer has an I.V. of 0.25-3.0 dl/g. in 0.1 NaCl soln. at 30 deg.C., and has repeating units of formula:- where A = NR1R2, PR3R4, or SR5 R1 and R2 = H, lower alkyl, aralkyl, phenyl, or an ammonium substituted lower alkyl group with H atoms, lower alkyl groups or mononuclear aryl groups as N substituents, or R1 and R2 together form -(CH2)5-, -(CH2)4-, or -(CH2)2-O-(CH2)2-; R3 and R4 = lower alkyl, mononuclear aryl or mononuclear lower aralkyl R5 = lower alkyl or mononuclear lower aralkyl; D and G = H, or lower alkyl; E and Y = H, lower alkyl or chlorine; Z = H, lower alkyl or CONH2, CN or COOCH2CH3; and m and n = whole numbers.