J. Guilera et al. / Applied Catalysis A: General 413–414 (2012) 21–29
29
The synthesis of EOE is highly related to structural resins prop-
erties. The accessibility of large molecules to acid centers is favored
over resins with large space between polymer chains. Conse-
quently, in order to synthesize large ethers such as EOE, a greatly
expanded polymer network in swollen state is the most suitable
resin property. It is also desirable that density of acid centers in the
swollen resin would be low. These requirements can be found in
low DVB content resins (e.g., gel-type resins as Dowex 50Wx2-100,
Amberlyst 121 or CT224).
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Financial support was provided by the State Education, Uni-
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CTQ2010-16047). The authors thank Rohm and Haas France and
Purolite for providing Amberlyst and CT ion-exchange resins,
respectively. We also thank Dr. Karel Jerabek of Institute of
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morphological analyses made by the ISEC method.
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