基本解释：聚对苯二甲酸丁二(醇)酯
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The fractography of PBT at different temperatures was analyzed, the fractography features of PBT fracture arc stripe were concluded, the total number, dimension of feature zone and roughness of arc stripe were studied in quantification, the mechanism of arc pattern was also discussed.分析了不同温度下聚对苯二甲酸丁二(醇)酯(PBT)的断口形貌,总结了PBT断口弧形条纹的形貌特征,定量研究了弧形条纹数量、特征区尺寸及表面粗糙度的变化规律,并对其形成机理进行了探讨。
POE-g-GMA and PBT/POE-g-(GMA-coSt) were prepared by melt grafting in the twin screw extruder.在双螺杆挤出机上采用熔融接枝法制备了POE-g-GMA和POE-g-(GMA-co-St),考察了POE、POE-g-GMA和POE-g-(GMA-co-St)对聚对苯二甲酸丁二(醇)酯(PBT)的增韧作用。
The effect of the mass content of glass microbeads (GB) on the melt rheological and mechanical properties of PBT/short glass fiber(GF)composite was studied.研究了玻璃微珠(GB)用量对聚对苯二甲酸丁二(醇)酯(PBT)/短玻纤(GF)复合材料熔体流变性和力学性能的影响。
Depolymerization experiments of polybutylene terephthalate (PBT) in supercritical methanol were carried out in a batch-type reactor with the reaction temperature of 453~583K and reaction time of 5~90 min.在高压间歇无搅拌反应器中研究了聚对苯二甲酸丁二(醇)酯(PBT)在高温甲醇溶液中的降解行为,通过对降解产物的各种定性和定量的分析,提出了超临界甲醇降解PBT的机理为在甲醇的作用下聚合物分子链的随机断裂和酯交换反应双重作用下发生的降解反应,建立了降解-反应模型。
The prepolymer of polybutylene terephthalate (PBT) was grafted onto the surface of nano-SiO2 partides by polycondensation for modification.将得到的改性粒子填充聚对苯二甲酸丁二(醇)酯,检测填充前后树脂的性能。
Kinetics of thermal degradation of polybutylene terephthalate(PBT) was investigated using the method of gravimetric analysis(TG、DTG).用热重分析法(TGA)探讨聚对苯二甲酸丁二(醇)酯(PBT)热降解的动力学,揭示了PBT的热稳定性、热解反应级数和热解活化能。
Study on chemical chain-extension modification of poly(butylene terephthalate);聚对苯二甲酸丁二(醇)酯的化学扩链改性研究
Progress on the modification of poly(butylene terephthalate);聚对苯二甲酸丁二(醇)酯的改性方法及其进展
The advance in the research of blending poly(butylene terephthalate) at home and abroad is reviewed.综述了最近几年国内外聚对苯二甲酸丁二(醇)酯(PBT)共混改性的研究进展,分类介绍PBT/聚烯烃、PBT/同系聚酯、PBT/液晶、PBT/弹性体、PBT/聚碳酸酯等不同共混体系,讨论了各体系中的相行为、相容性、热稳定性、力学性能等,并对该类共混物的发展趋势作了简要的分析。
Glycidyl methacrylate (GMA) functionalized acrylonitrile-butadiene-styrene core-shell copolymers (ABS-g-GMA) have been used to improve the impact strength of poly (butylene terephthalate) (PBT).用甲基丙烯酸环氧丙酯(GMA)接枝的丙烯腈/丁二烯/苯乙烯(ABS)接枝共聚物(ABS-g-GMA)改善聚对苯二甲酸丁二(醇)酯(PBT)的缺口冲击韧性。
The influence of the PEPA/melamine cyanurate(MC) intumescent flame retardant system on the physical properties of poly (butylene terephthalate) (PBT) resin were studied.将该阻燃剂与三聚氰胺氰脲酸酯(MC)协同作用于聚对苯二甲酸丁二(醇)酯(PBT),考察其对PBT阻燃性能的影响。
Decabrominated dipheny ethane (DBDPE) was employed in place of decabromodiphenyl oxide (DBDPO) as the flame retardant in polybutylene terphthalate(PBT).以十溴二苯乙烷(DBDPE)替代传统的十溴二苯醚(DBDPO)作为聚对苯二甲酸丁二(醇)酯(PBT)的阻燃剂,采用垂直燃烧(UL94)、氧指数(LOI)和锥形量热仪(CONE)方法研究了以十溴二苯乙烷阻燃的PBT的阻燃性能。
