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Effect of Copolymer Composition on the Compatibility of Blends of Styrene—Acrylonitrile Copolymers with Polymethacrylates

D. Lath and E. Lathov√°

Polymer Institute, Slovak Academy of Sciences, SK-842 36 Bratislava

 

Abstract: The miscibility of three polymethacrylates with poly(styrene-co-acrylonitrile) (SAN) has been studied. Poly(n-propyl methacrylate) is miscible with SAN copolymers having acrylonitrile contents between 9 mass % and 24 mass %, but poly(n-butyl methacrylate) and poly(n-octyl methacrylate) are immiscible with SAN. It was confirmed that the width of the miscibility window decreases with increasing size of the pendant alkyl group of the polymethacrylate.

Full paper in Portable Document Format: 484a226.pdf

 

Chemical Papers 48 (4) 226–228 (1994)

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