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简答题用聚山梨酸60(HLB=14.9)和司盘20(HLB=8.6)制备HLB值为10.0混合乳化剂100g,问两者各用多少克?
  • HLBAB=(HLBA×WA+HLBB×WB)/(WA+WB) 10.0=(14.9×WA+8.6×WB)/(WA+WB) ① WA+WB=100 ② 又①、②得 WA=22.2 WB=77.8
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