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T. Spychaj, A. Kwasek

Studies on the fractionation of epoxide resins. Part III. GPC analysis of Epidian-1 resin

Polimery 1986, No 3–4, 130

DOI: dx.doi.org/10.14314/polimery.1986.130


The efficiency of several solvent-nonsolvent systems in the process of fractionation of the Polish-made Epidian-1 resin with Mn = 1040 has been compared. The fractions thus obtained have been characterized by means of the GPC-method. The efficient fractionating systems were chloroform/heptane and toluene/isopropanol pairs, whereas the dioxane/water pair was much less effective. The problem of the relationship between the effectiveness of the fractionat­ing systems and the values of the solubility parameters of both thier components and the epoxide resin has been dis­cussed.

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