反应详情

A resorcinol-formaldehyde was prepared by the addition of resorcinol (16.6 parts weight), formaldehyde (5.4 parts weight dry; 14.7 parts weight wet), sodium hydroxide (1.3 parts weight), and soft water (366 parts weight). The total solids content of the resin was approximately 6.0 wt %, and the pH was approximately 9.0.