Synthesis and characterization of poly[oxy-(2,5-dibenzoyl-1,4-phenyleneoxy)-1,4-phenylene]

被引:3
作者
Konno, K
Kobayashi, T
Yonetake, K
Ueda, M [1 ]
Fitch, JW
Cassidy, PE
机构
[1] Yamagata Univ, Fac Engn, Dept Mat Sci & Engn, Yonezawa, Yamagata 992, Japan
[2] SW Texas State Univ, Dept Chem, San Marcos, TX 78666 USA
关键词
double-melting endotherms; pendant benzoyl groups; poly(arylene ether)s);
D O I
10.1016/S0032-3861(97)00316-9
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Poly[oxy-(2,5-dibenzoyl-1,4-phenyleneoxy)-1,4-phenylenel] (3) was prepared by the aromatic nucleophilic substitution reaction of 2,5-difluoro-4-benzoylbenzophenone (2) with hydroquinone (1) in the presence of potassium carbonate in diphenylsulfone. The polycondensation was conducted at 150-320 degrees C for 4 h and produced polymer 3 at excellent yield levels. Polymer 3 was characterized by elemental analysis, i.r. spectroscopy, differential scanning calorimetry (d.s.c.) and wide angle X-ray measurement (WAXD). Polymer 3 showed two endothermic peaks on d.s.c. scans, which would be attributable to recrystallization effects; the lower-temperature endotherm represented only a portion of the melting endotherm of original crystals and the upper-temperature endotherm was the melting of crystals reorganized during a heating scan. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码:719 / 723
页数:5
相关论文
共 12 条
[1]   SYNTHESIS AND PROPERTIES OF POLYARYLETHERKETONES [J].
ATTWOOD, TE ;
DAWSON, PC ;
FREEMAN, JL ;
HOY, LRJ ;
ROSE, JB ;
STANILAND, PA .
POLYMER, 1981, 22 (08) :1096-1103
[2]  
BLUDELL DJ, 1987, POLYMER, V28, P2248
[3]   NATURE OF MULTIPLE MELTING TRANSITIONS IN CIS-POLYISOPRENE [J].
EDWARDS, BC .
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 1975, 13 (07) :1387-1405
[4]   MELTING BEHAVIOUR OF HEAT CRYSTALLIZED POLY(ETHYLENE TEREPHTHALATE) [J].
HOLDSWORTH, PJ ;
TURNERJO.A .
POLYMER, 1971, 12 (03) :195-+
[5]   MECHANICAL-PROPERTIES OF POLY(ETHER-ETHER-KETONE) FOR ENGINEERING APPLICATIONS [J].
JONES, DP ;
LEACH, DC ;
MOORE, DR .
POLYMER, 1985, 26 (09) :1385-1393
[6]  
KONNO K, 1997, POLYM SCI A, V35, P605
[7]  
LEE Y, 1986, MACROMOLECULES, V20, P1336
[8]   EFFECTS OF THERMAL HISTORY ON CRYSTALLIZATION OF POLY(ETHER ETHER KETONE) (PEEK) [J].
LEE, YC ;
PORTER, RS .
MACROMOLECULES, 1988, 21 (09) :2770-2776
[9]   UNIAXIAL DRAW OF POLY(ARYL-ETHER-ETHER-KETONE) BY SOLID-STATE EXTRUSION [J].
LEE, YC ;
LEFEBVRE, JM ;
PORTER, RS .
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 1988, 26 (04) :795-805
[10]   POLYAROMATIC ETHER-KETONES AND POLYAROMATIC ETHER-KETONE SULFONAMIDES FROM 4-PHENOXYBENZOYL CHLORIDE AND FROM 4,4'-DICHLOROFORMYLDIPHENYL ETHER [J].
LITTER, MI ;
MARVEL, CS .
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 1985, 23 (08) :2205-2223