Abstract

The miscibility behaviour of poly(2-cyanoethyl methacrylate) (PCYEMA) with various polymethacrylates has been studied by differential scanning calorimetry. PCYEMA is is immiscible with poly(ethyl methacrylate), poly(n-propyl methacrylate and poly(n- butyl methacrylate), but miscible with poly(methyl methacrylate) and poly(acetonyl methacrylate). PCYEMA is miscible with poly(tetrahydrofurfuryl methacrylate) PTHFMA when the blend contains ⩾ 33 wt% PCYEMA. The miscibility behaviour of PCYEMA is compared to that of poly(cyanomethyl methacrylate) and discussed in terms of non-hydrogen- bonded solubility parameter approach.

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