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(1) Hydroquinones
Hydroquinone , naphthoquinone , anthraquinone, etc.
Nitrogen gas is introduced into the catalytic reactor, after the air is replaced, hydroquinone, formaldehyde and sodium hydroxide are added in a certain proportion under the protection of helium gas, and the temperature is controlled at 100°C, and then slowly rises to 180°C to make it Curing
(2) Pyridines
Nicotinamide was added to the chloromethylated polystyrene resin to obtain the following redox resin
Put the raw material vinyl pyridine (or 2-methyl 5-vinyl pyridine, etc.