Especially when the mole proportion of BPF/ (BPF+BPA) is 40%, viscosity of the co-condensation modified epoxy resin is 3. 2Pa.

• 在共聚改性中，以BPF/(BPF+BPA)的摩尔配比为40%25时最佳，此时，其共聚树脂25℃时粘度为3.；2Pa