Internal hydroxy mixed ethers

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 69/708 (2006.01) C07C 67/31 (2006.01) D21C 5/02 (2006.01)

Patent

CA 2146236

Internal hydroxy mixed ethers are obtained by a process in which epoxides of unsaturated fatty acid esters with fatty alcohol polyglycol ethers corresponding to formula (I): Image (I) in which R1 is a linear or branched, aliphatic C4-22 hydrocarbon radical and R2 is hydrogen or a methyl group, are subjected to ring opening. The products are suitable as auxiliaries for dewatering solids and are distinguished by good biodegradability, low foaming and low pour points.

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