| http://www.w3.org/ns/prov#value | - The temperature at which the condensation is carried out may be varied within wide ranges such as from room temperature to about 250 C. Ordinarily it is preferably 50l50 C. More than one mole of the epoxide may condense with the phenolic compound so that the product may contain in its molecular structure one or more of the radicals derived from the epoxide.
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