prov:value
| - In this case it is also possible to employ a solution obtained directly in the synthesis of the polymers P. Examples of suitable organic solvents are tetrahydrofuran, dioxane, acetone, methyl ethyl ketone, alcohols, such as n-propanol, isopropanol, n-butanol and isobutanol, esters, such as ethyl acetate and butyl acetate, and aromatic hydrocarbons, such as toluene and xylenes; preference is given
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