对苯二甲醛-煤沥青COPNA树脂的合成及性能  

Synthesis and Properties of Condensed Polynuclear Aromatics Resin Using Coal Tar Pitch as Monomer and Terephthalic Aldehyde as Cross-Linking Agent

作　　者：林起浪[1] 李铁虎[2] 

机构地区：[1]福州大学材料科学与工程学院,福建福州350002 [2]西北工业大学材料科学与工程学院,陕西西安710072

出　　处：《高分子材料科学与工程》2007年第2期62-64,共3页Polymer Materials Science & Engineering

基　　金：国家自然科学基金(50472081)

摘　　要：以煤沥青为单体、对苯二甲醛为交联剂,在对甲苯磺酸的催化作用下合成缩合多核芳烃(COPNA)树脂。采用FT-IR和1H-NMR研究其反应机理;采用TGA-DSC研究该COPNA树脂的热行为。此外,研究了反应时间对COPNA树脂不同组分的影响。结果表明,煤沥青能够与对苯二甲醛合成COPNA树脂,其反应机理为酸催化下的阳离子型缩聚反应;COPNA树脂不仅具有很好的耐热性和炭收率,而且具有很好的粘结和工艺性能。The condensed polynuclear aromatic （COPNA） resin was synthesized using coal tar pitch as monomer and terephthalic aldehyde as cross-linking agent in the presence of p-toluene sulfonic acid. Reaction mechanism was studied using FT-IR and ^1H-NMR. TGA-DSC was employed to study the thermal behavior of COPNA resin. Furthermore, the relation between react time and different content of COPNA resifi was investigated. The results show that coal tar pitch and terephthalic aldehyde can be used to synthesize COPNA resin. The COPNA resin possesses good thermo-stability and high coke value. Moreover, the resin has good processablity and excel- lent bonding performance as well.

关 键 词：煤沥青 对苯二甲醛 COPNA 合成 性能 

分 类 号：TQ322.41[化学工程—合成树脂塑料工业]