ALKENYLAMINOMETHYLENEPHOSPHONIC ACIDS AND COPOLYMERS THEREOF WITH UNSATURATED CARBOXYLIC ACIDS

• Main Authors: HOFFMANN, HERMANN, PORZ, CHRISTOPH, REINHARDT, GERD
• Format: Patent
• Language: English; French
• Published: 20.07.1991
• Edition: 5
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; ADHESIVES; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; COMPOSITIONS BASED THEREON; DIFFUSION TREATMENT OF METALLIC MATERIAL; DYES; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MINING; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25; NATURAL RESINS; NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP

HOE 90/F 014 of the disclosure: Alkenylaminomethylenephosphonic acids and copolymers thereof with unsaturated carboxylic acids Alkenylaminomethylenephosphonic acids of the formula (I) in which R1 is hydrogen, C4-C10-alkyl, phenyl, naphthyl, methyl phenyl, hydroxyphenyl, methoxyphenyl, methylnaphthyl, hydroxynaphthyl or methoxynaphthyl, R2 is hydrogen, R3, R4, R6 are hydrogen or methyl, R5 is hydrogen, C1-C4-alkyl or phenyl, and M is hydrogen or a cation, and copolymers comprising 0.1-99.9% by weight, preferably 1-50% by weight, of one or more monomers of the formula I, in which R2 is hydrogen or a group of the formula CH2PO3M2, and 99.9-0.1% by weight, preferably 99-50% by weight, of one or more monomers of the formula II R1'R2'C=CR3'X (II) in which R1' is hydrogen or a group of the formula -COOM, R2' is hydrogen, phenyl or a group of the formula -COOM, R3' is hydrogen, methyl or a group of the formula -COOM or -CH2COOM, X is a group of the formula -COOM or R2' and R3' together are a C4-alkylene or R1' and X together are a group of the formula or R3' and X together are a group of the formula, These copolymers are suitable as complexing agents, in particular detergents as builder and co-builder, peroxide stabilizers and as granulating aids for bleaching activators and in crude oil recovery as scale inhibitors having anti-corrosive action.