Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Structure and Properties of Poly(arylene etherketone)s Containing Resorcinol Unit (I)

Rosorcinol 구조 단위를 함유하는 Poly(arylene etherketone)의 구조와 물성에 관한 연구(I)

  • 이철주 (한국과학기술연구원 섬유고분자연구실) ;
  • 손태원 (한국과학기술연구원 섬유고분자연구실, 서울대학교 공과대학 섬유고분자공학과) ;
  • 하완식
  • Published : 1993.01.01

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Abstract

Poly(arylene etherketone) copolymers, modified by introducing kinks into the linking units of aromatic rings of poly(etheretherketone) were prepared and their properties were investigated. The copolymers were synthesized via nucleophilic substitution reaction of 4,4'-difluorobenzophenone with hydroquinone(HQ) and resorcinol as a second biol component. From the d spacing data, the benzophenone-resorcinol and benzophenone-HQ units in the copolymer were presumed to exist isomorphically for almost all the species. It was found from the values of activation energies and frequency factors in the thermal decompositions of copolymers that the thermal stabilities and rates of thermal decompositions were not related with the copolymer coposition. Avrami exponents, n, in the isothermal crystallization for the copolymers were about 3 for the first crystallization and 1.7∼2.5 for the second crystallization, and the crystallization mechanisms were estimated to be changed during the growth of the crystals.

Keywords

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