| http://www.w3.org/ns/prov#value | - The polycondensation number of these polyalkylene glycols may be 4-500, preferably 5-100, particularly preferably 6-60. [0057] The polyalkylene glycol alkyl (C1-C4) ethers are ethers formed from any of the aforementioned polyalkylene glycols and any of alcohols such as methanol, ethanol, n-propanol, and n-butanol.
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