Study on the compatibility of the blend of poly(aryl ether ether ketone) with poly(aryl ether sulfone)

✍ Scribed by Xiaomei Yu; Yubin Zheng; Zhongwen Wu; Xinyi Tang; Bingzheng Jiang

• Publisher: John Wiley and Sons
• Year: 1990
• Tongue: English
• Weight: 260 KB
• Volume: 41
• Category: Article
• ISSN: 0021-8995
• DOI: 10.1002/app.1990.070411112

✦ Synopsis

Poly(ary1 ether ether ketone) is found to he compatible with poly(ary1 ether sulfone) a t a blending temperature 310°C. There is a single glass transition temperature (T,) for various compositions of the blend. The relationship of T, with composition obeys Gordon-Taylor's equation, where the adjustable parameter k is 0.43. Thermodynamic interaction parameter xl2 is estimated to he -0.001 according to Nishi and Wang's melting point depression equation. When the processing temperature is above 350"C, phase separation takes place as shown by a double mechanical loss tangent relaxations in the range of 100-280°C.