CF／TLCP／PESU热塑性复合材料研究

研究了热致液晶聚合物（ＴＬＣＰ）、玻璃纤维（ＣＦ）对ＣＦ／ＴＬＣＰ／ＰＥＳＵ（聚醚砜）复合材料加工性能和力学性能的影响,并对ＴＬＣＰ在体系中的形貌进行分析。结果表明,ＴＬＣＰ可以提高复合材料的拉弹性模量。     

新型杂萘联苯聚醚砜酮及其应用

介绍瓣型杂萘联苯聚醚砜酮的制备，性能和应用，研究表明该树脂各项性能优异，是一种优良的绝缘材料，将其作用漆包线漆，操作工艺性好，且属于Ｈ级漆包线漆。     

UP/GF/TLCP原位混杂复合材料的性能研究

采用自行合成的双键液晶聚合物（TLCP）,通过原位复合的方法制备了不饱和聚酯（UP）／玻璃纤维（GF）／TLCP原位混杂复合材料。研究了TLCP用量对UP／GF／TLCP复合材料的磨损性能、流变性能和材料表面电阻和体积电阻的影响。结果表明,TLCP用量对材料的流变性能、磨损性能和吸水性能有较大影响,当加入质量分数为5％的TLCP时,材料的流动性能最好,熔体体积流动速率达到0．097cm^3／s;当TLCP质量分数为7．5％时,材料的磨损量比未加TLCP的材料减少50％;随着TLCP用量的增加,材料的吸水性降低;TLCP用量对材料电性能影响不大。     

新型耐高温杂环聚醚砜酮酮材料的研究

合成一种新型热塑性耐高温杂环聚醚砜酮酮材料（ＰＰＥＳＫＫ）,研究了材料的热性能、力学性能、电性能、溶解性能、摩擦性能及膜性能。结果表明,ＰＰＥＳＫＫ为一类具有较高耐热性、综合性能优良、成本低的机械工程塑料。     

连续玻璃纤维增强聚醚砜和聚醚酮的力学性能研究

本文通过对制备的连续玻纤增强聚醚砜及聚醚酮这两种热塑性塑料的测试与分析，与连续玻纤增强热固性塑料进行了对比分析。     

聚醚砜酮复合材料摩擦性能的研究

以杂环取代聚聚醚砜酮（ＰＰＥＳＫ）为基体,研究了石墨、二硫化钼（ＭｏＳ２）等无机填料,以及聚四氟乙烯（ＰＴＦＥ）对复合材料力学性能和摩擦性能的影响。结果表明,填充石墨和ＭｏＳ２后,可民时改善复合材料的弯曲强度和摩擦性能,两者具有协同作用,加入ＰＴＦＥ后可大幅度降低复合材料的摩擦系数及弯曲强度。     

PPESK/TK/石墨复合材料的摩擦磨损性能研究

以含二氮杂萘联苯型聚醚砜酮(PPESK)树脂为基体,以石墨和钛酸钾晶须(TK)为填料,采用物理混合、热压模塑的方法制备了PPESK/TK/石墨复合材料。研究了石墨和TK含量对复合材料摩擦磨损性能的影响,利用扫描电镜观察了磨面的形貌。结果表明,石墨和TK均能显著改善聚合物材料的摩擦磨损性能,并具有明显的协同作用。石墨对降低材料的摩擦系数起主导作用,仅以石墨为填料,材料的摩擦系数可降低至纯树脂的1/3;而TK对复合材料的磨损性能起到了明显的改善作用,当TK和石墨比例为3∶1时,材料的磨损率可降至最低,比纯树脂降低了两个数量级。扫描电镜观察结果表明材料的磨损机理主要为磨粒磨损、粘着磨损和轻微的疲劳磨损。     

含二氮杂萘结构聚醚砜酮酮的流变行为研究

合成了一种含二氮杂萘结构聚醚砜酮酮,采用万能电子试验机研究了其流变性能,并对其加工行为进行了分析。     

聚醚砜／碳纤维复合材料的力学行为研究

本文介绍了用湿法制造预浸布,再以模压法成型几种组分不同的聚醚砜/碳纤维(PES/CF)层压板,分析比较了PES/CF复合材料的拉伸、弯曲和层剪性能。用仪器化Charpy冲击试验方法测定了PES/CF复合材料的冲击性能;并用线弹性和弹塑性断裂力学原理分析了PES/CF复合材断的Ⅱ型层间断裂行为。断口形貌表明,PES/CF复合材料的界面粘接情况良好。     

聚醚砜／碳纤维复合材料的断裂行为研究

本文用湿法制造无纬预浸布，用模压法成型两种不同基体村质的聚醚砜／碳纤维复合材料层压板。分别用ＥＮＦ试样和三点弯曲试样（裂纹方向和纤维方向一致）研究了ＰＥＳ／ＣＦ复合材料的Ⅱ型层间断裂行为及Ⅰ型纤维层间断裂行为，用仪器化Ｃｈａｒｐｙ冲击试验方法研究了ＰＥＳ／ＣＦ复合材料的冲击性能。断口形貌的电镜分析表明，ＰＥＳ／ＣＦ复合材料的界面粘接情况良好。     

PPESK/ABS共混物流变性能的研究

以溶液共沉淀的方法制备了含二氮杂萘联苯结构的聚醚砜酮(PPESK)／ABS共混物，用毛细管流变仪测定了共混物的流变性能。在实验条件下，PPESK/ABS共混物熔体属假塑性非牛顿流体，其熔体粘度随ABS含量的增加，温度的升高，剪切速率的增大而下降，ABS的加入有利于改善PPESK的加工流动性及制品外观。     

PPESK／PTFE共混物摩擦行为研究

采用溶液共混法制备了不同质量比的新型含二氮杂萘酮结构聚芳醚砜酮（PPESK）与聚四氟乙烯（PTFE）共混物。利用磨损试验机对该共混体系进行摩擦性能研究测试。结果表明，在干摩擦条件下，PPESK中共混加入PTFE可以明显降低其磨损量，当PTFE质量分数为20％时，摩擦系数达到最小。同时采用扫描电镜、扫描探针显微镜对共混物摩擦表面及摩擦副表面进行观察，分析了该共混体系的磨损机理。研究表明，负荷、共混组分等因素对摩擦形貌均有较大影响，在不同摩擦条件下摩擦机理不同。黏着磨损和犁耕磨损随着负荷的增加由明显转变为不明显；随着共混物中PTFE含量增加，由犁耕磨损和黏着磨损变为以黏着磨损为主。     

PPESK／PS共混物流变性能的研究

以溶液共沉淀的方法制备了含二氮杂萘联本结构的聚芳醚砜酮（PPESK）。聚苯乙烯（PS）共混物，用毛细管流变仪测定了共混物的流为性能。结果表明，在本实验条件下，PPESK／PS共混物熔体属假塑性非牛顿汉体，其熔体粘度随PS含量的增加、温度的升高、剪切速率的增大而下降。PS的加入有利于改善PPESK的熔融加工流动性。     

氯甲基化/季铵化新型聚芳醚砜酮超滤膜的研制

本文对含二氮杂萘结构聚芳醚砜酮进行改性制得氯甲基化聚芳醚砜酮。选用N-甲基一2-吡咯烷酮作制膜溶剂，依据正交设计方法制得了一系列氯甲基化聚芳醚砜酮超滤膜。考察了聚合物浓度、添加剂种类和添加量以及制膜蒸发时间等对膜性能的影响。将氯甲基化聚芳醚砜酮超滤膜浸入三甲胺溶液进行季铵化反应，得季铵化聚芳醚砜酮超滤膜。并考察了膜的抗污染性。     

含二氮杂萘酮结构聚芳醚酮和聚芳醚砜研究进展

综述了含二氮杂萘酮结构的聚芳醚酮和聚芳醚砜的结构性能及其合成、改性、应用研究进展。     

Effects of operation conditions,solvent and gelation bath on morphology and performance of PPESK asymmetric ultrafiltration membrane

The effect of gelation temperature, evaporation time, solvent and gelation bath on the structure and performance of poly(phthalazinone ether sulfone ketone) (PPESK) asymmetric ultrafiltration membrane via phase inversion are investigated; the relationship between gelation thickness of dope solutions (X) and time for several polymer solutions with different solvents and gelation bath by online optical microscope–CCD camera experimental system (OM–CC system) are obtained. The results show that gelation temperature has much stronger influence on aperture opening ratio of membrane surface (AOR) and average diameter of membrane surface (AD) than evaporation time, whereas evaporation time has greater effect on the structure factor of membrane cross-section (S). Bovine serum albumin rejection (R) is mainly determined by surface structure; however, pure water flux (J) is controlled not only by the structure of surface and cross-section, but also the connectivity of the pores. PPESK membranes with fine performance can be fabricated under appropriate gelation temperature and evaporation time. In addition, the membrane structure and performance vary widely when various solvents and gelation bath are employed. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008     

Preparation of poly(phthalazinone ether sulfone ketone) hollow fiber membrane for gas separation

Poly(phthalazinone ether sulfone ketone) (PPESK) asymmetric hollow fiber membranes for gas separation were prepared by dry/wet phase inversion technique. The effects of various preparation conditions such as solvent, nonsolvent-additives(NSA), PPESK concentration, and air gap on the membrane performance were studied. The heat resistance of the PPESK hollow fiber membrane was also examined. The hollow fiber membrane prepared from solvent with stronger solubility showed low gas permeation and high O₂/N₂ selectivity due to the denser skin layer. Hollow fiber membrane made from PPESK/DMAc/EtOH/THF system had thicker skin layer than that made from PPESK/DMAc/GBL system with the same ratio of near-to-cloud-point of NSA, which resulted in the higher O₂/N₂ selectivity. Along with the increase of NSA content, the gas permeation increased and the O₂/N₂ selectivity decreased. The O₂/N₂ selectivity of hollow fiber membranes made from PPESK/DMAc/GBL and PPESK/DMAc/EtOH/THF systems were 4.9 and 4.8 respectively, when the membrane forming systems contained appropriate content of NSA. The high polymer concentration resulted in low gas permeation and high O₂/N₂ selectivity. When the air gap was excessively long, the membrane performance dropped because of the damage to the dense skin layer. There was no significant drop on the membrane performance when the operation temperature was elevated to 90°C. The average O₂/N₂ selectivity was higher than 3.0 at 70°C during a long period of 55 days' test time. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 2007