Phenolic resin
A class of synthetic polymer binder formed by condensation of phenols with formaldehyde; used in ballpoint ink vehicles since the 1950s; identifiable by FTIR carbonyl absorption at 1700-1720 cm-1.
A class of synthetic polymer binder formed by condensation of phenols with formaldehyde; used in ballpoint ink vehicles since the 1950s; identifiable by FTIR carbonyl absorption at 1700-1720 cm-1.
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