Block copolyacetals, process for producing the same and...

Details Block copolyacetals, process for producing the same and... Block copolyacetals, process for producing the same and...

C - Chemistry, Metallurgy

08

G

C08G 2/26 (2006.01) C08G 65/34 (2006.01) C08J 3/24 (2006.01) C11D 3/37 (2006.01)

Patent

CA 2143745

There are described block copolyacetals obtainable by cationically initiated polyaddition of (A) polyacetals containing acetaldehyde acetal units and having at least 2 OH groups in the molecule and (B) polyacetals containing acetaldehyde acetal units and having at least 2 vinyl ether groups in the molecule. in a molar ratio of (A):(B) of from 2:1 to 1:2, processes for preparing the block copolyacetals by cationically initiated polyaddition of (A) and (B), and the use of the block polyacetals as additament to reduced-phosphate and phosphate-free detergents and cleaners and as low-foam surfactants in dishwashing compositions.

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