C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 5/10 (2006.01)
Patent
CA 2375338
The invention relates to the utilization of copolymers as inhibitors of calcium oxalate coatings, containing the following polymerized components: a) 10 to 80 % by weight percent maleic acid and/or maleic acid anhydride; b) 20 to 90 % by weight acrylic acid and c) 0 to 20 % by weight of at least one additional monomer which can be copolymerized with monomers (a) and (b) and having an average molecular weight ranging between 25,000 and 250,000.
Utilisation, comme inhibiteurs pour des revêtements d'oxalate de calcium, de copolymères renfermant, introduits dans une polymérisation, a) 10 à 80 % en poids d'acide maléique et/ou d'anhydride maléique, b) 20 à 90 % en poids d'acide acrylique, et c) 0 à 20 % en poids d'au moins un autre monomère copolymérisable avec les monomères (a) et (b), et possédant un poids moléculaire moyen de 25 000 à 250 000.
Deubig Roland
Kistenmacher Axel
Potthoff-Karl Birgit
Seufert Michael
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
LandOfFree
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