反应详情

A mixture of 3.7 g of zinc oxide (JIS No. 1) and 15.0 g of ammonium benzoate was gradually added to 100 g of the above p-cyclohexylphenol/phenol/formaldehyde co-condensate kept at 170° C. with stirring, and they were reacted at 165° to 170° C. for 1.5 hours to give a pale yellow transparent zinc salt of the p-cyclohexylphenol/phenol/formaldehyde co-condensate.

1. customkept at 170° C.
2. customthey were reacted at 165° to 170° C. for 1.5 hours