纸质出版日期:1994-8-20
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series of multiblock copolymers composed of polyetheretherketone (PEEK) and 4, 4'-dihydroxydiphenylsulfone (DHDPS) were synthesized by polycondensation. The property of copolymers were characterics by DSC, IR, WAXD and TGA. The results indicate that the Tg of copolymers increases with increasing DHDPS content' When the DHDPS content of the copolymers is less than 22% (the average degree of polymerization of PEEK oligomers is more than 6), the copolymers are Crystalline polymers. The highest Tg of the Crystalline copolymers is 160℃,the lowest Tm is 304℃.
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