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The ion-exchange capacity of the block copolymers were varied by utilizing 4,4′-biphenol or hydroquinone in combination with 3,3′-disulfonated-4,4′-dichlorodiphenyl 3,3′-disulfonated-4,4′-dichlorodiphenyl 3,3′-disulfonated-4,4′-dichlorodiphenyl 3,3′-disulfonated-4,4′-dichlorodiphenyl
The humidity of the air was varied by utilizing a hydration flask before the dilution.
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