C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 2/14 (2006.01) C08G 2/18 (2006.01) C11D 3/37 (2006.01)
Patent
CA 2101753
Abstract of the Disclosures Polyacetals useful as deter- gent additives contain units of the formula Image where R is hydrogen, C1-C4-alkyl or COOM, M is C1-C4-alkyl or an alkali metal, ammonium or alkanolamine group, and m is from 0 to 9, have K values (determined by the method of H. Fikentscher on the sodium salt in 1% strength by weight aqueous solution at 25°C and pH 7) of at least 8.5, and are pre- pared by polymerizing compounds of the formula Image where R is hydrogen, C1-C4-alkyl or COOM, M is C1-C4-alkyl or an alkali metal, ammonium or alkanolamine group, R2 is C1-C4-alkyl, and m is from 0 to 9, in the presence of initiators and optionally comonomers with or without hydrolysis of the ester groups.
Baur Richard
Bertleff Werner
Funhoff Angelika
Hartmann Heinrich
Kud Alexander
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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