Acrylamide and trialkylammonium salt copolymer, method for...

C - Chemistry – Metallurgy – 08 – F

Patent

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C08F 220/56 (2006.01) A01N 33/12 (2006.01) A01N 37/12 (2006.01) A01N 37/20 (2006.01) C08F 220/34 (2006.01) C08F 220/60 (2006.01) C08F 226/02 (2006.01) D06M 15/267 (2006.01) D06M 15/285 (2006.01)

Patent

CA 2344220

The invention concerns an acrylamide or acrylamide derivative and trialkylammonium salt copolymer capable of being obtained by radical copolymerisation, in the presence of an initiator, of at least a first monomer selected among acrylamide and its derivatives, and of a second monomer, selected among trialkylammonium salts corresponding to the following formula (I): [H¿2?C = C(R¿1?) - (CH¿2?)¿n? - A - (CH¿2?)¿n'? - N?+¿ (R¿2?) (R¿3?) (R¿4?)]X?-¿ wherein: R¿1? represents H or an alkyl group with 1 to 3 carbon atoms; R¿2?, R¿3? and R¿4?, identical or different, represent each an alkyl group with 1 to 3 carbon atoms; n and n' represent each, independently of one another, a non-null integer not more than 15; A represents a carboxyl or amide bivalent function; and X?-¿ represents a counter-ion. The invention also concerns a method for obtaining said copolymer, one use thereof for obtaining a textile support biocide by contact, and such a coated textile.

L'invention concerne un copolymère d'acrylamide ou de dérivés d'acrylamide et de sels de trialkylammonium susceptible d'être obtenu par copolymérisation radicalaire, en présence d'un amorceur, d'au moins un premier monomère choisi parmi l'acrylamide et ses dérivés, et d'un second monomère, choisi parmi les sels de trialkylammonium répondant à la formule (I) suivante: [H2C = C(R1) - (CH2)n - A - (CH2)n' - N+ (R2) (R3) (R4)]X+ dans laquelle R1 représente H ou un groupe alkyle ayant de 1 à 3 atomes de carbone, R2, R3 et R4 identiques ou différents, représentent chacun un groupe alkyle ayant de 1 à 3 atomes de carbone, n et n' représentent chacun, indépendamment l'un de l'autre, un entier non nul au plus égal à 15, A représente une fonction bivalente carboxyle ou amide, et X- représente un contre-ion. L'invention concerne aussi un procédé d'obtention d'un tel copolymère, une utilisation de ce dernier pour obtenir un support textile biocide par contact, et un textile ainsi enduit.

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