abstract |
PURPOSE: To provide an additive giving the titled slurry capable of pumping, comprising a formaldehyde condensate, etc. of naphthalenesulfonic acid and alkylphenol ethylene oxide adduct. n CONSTITUTION: The objective additive comprising (A) a formaldehyde condensate (salt) of (alkyl)naphthalenesulfonic acid, with an average condensation degree 10W500 (pref., 35W100) and (B) a compound prepared by adding 50W300(pref. 75W125)mol of ethylene oxide to 8W12C alkylphenol pref. in the weight ratio A/B=65/35W95/5. Said alkylphenol is e.g., octylphenol, nonylphenol, dodecylphenol. n COPYRIGHT: (C)1988,JPO&Japio |