prov:value
| - Thus, one embodiment is a method of preparing a high molecular weight poly(2,6-dimethyl-1,4-phenylene ether), comprising: oxidatively polymerizing 2,6-dimethylphenol in toluene solvent in the presence of a catalyst comprising copper ion and N,N???-di-tert-butylethylenediamine to form a reaction mixture comprising a dissolved poly(2,6-dimethyl-1,4-phenylene ether), water, and the catalyst; wherein
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