1、PBT工程塑料改性的研究现状及应用进展
文章综述PBT在力学性能，阻燃性能、翘曲变形、析出性能及介电性能等方面的改性研究进展。 介绍了PBT改性工程塑料在汽车、电子电器、机械设备、通信以及纺织等领域的应用。 指出未来应当开发符合低碳环保且具有高附加功能的PBT材料，通过提升...
2、PBT工程塑料改性的研究现状及应用进展
It is pointed out that PBT materials with low carbon environmental protection and high additional functions should be developed in the future, and the development of functional PBT products should be accelerated by improving the modification technology.
3、Toughening modification of polycarbonate/poly(butylene terephthalate
Small quantities of maleic anhydride grafted styrene-ethylene-butylene-styrene (SEBS-g-MAH) copolymer and carbon nanotubes (CNTs) were introduced into polycarbonate (PC)/poly (butylene terephthalate) (PBT) blends.
4、改性PBT材料注塑六大常见问题解决方案
PBT/GF复合材料的翘曲主要是玻纤在流动方向上的定向限制了树脂的收缩，PBT在玻纤周围的诱导结晶又强化了这种效果，使得制品的纵向（流动方向）收缩小于横向（与流动方向垂直的方向），这种不均匀收缩便导致了PBT/GF复合材料的翘曲。
5、工程塑料PBT增韧改性的研究进展_百度文库
Abstract： The structure characteristics and properties of poly （ butylene terephthalate ） （ PBT ） were introduced，and the main toughening modification methods of PBT were reviewed．
Modified PBT common problems and solutions
For example, use glass fibers with special surface treatment or add compatibilizers (such as SOG, a good - flow PBT modification compatibilizer) to increase the adhesive force between PBT and glass fibers through a "bridge" effect.
PBT Modification Of Six Common Problems And Solutions
Below, let's look at the causes and solutions of common problems in PBT modification. The benzene ring and ester group in PBT molecule form a large conjugate system, which reduces the flexibility of the molecular chain and increases the molecular rigidity.
PBT的增韧改性研究进展
These methods ... MORE Combining with applications,structure and toughness characteristic of poly (butylene terephthalate) (PBT) resin,methods of toughening modification and their influences on microstructure and mechanical properties of PBT blends in recent years were reviewed.
聚对苯二甲酸丁二醇酯增韧改性研究进展
阐述了聚对苯二甲酸丁二醇酯 (PBT)的结构特点、特性及PBT增韧改性的主要方法，其中以聚烯烃、橡胶弹性 体应用最为广泛，而无机组分聚合物体系增韧则是一种较新的方法，可以同时达到增韧增强的目的。 度提高。 橡胶相粒间距减小、其粒子空洞化诱发基 体剪切变形是该体系韧性提高的主要原因。 限制其进一步推广应用的主要因素，因此，对其进 行增韧改性一直是PBT树脂高性能化的一个重要 研究内容。 针对PBT缺口冲击强度低的缺点可以从化学 和物理两个方面进行改性。
Modular Molecular Editing of End‐of‐Life PBT for High‐Performance
This work achieves a direct polymer-to-polymer conversion of end-of-life PBT into high-performance materials, with techno-economic analysis highlighting both environmental and economic advantages.
In the field of modern polymer materials science, polybenzoxazole (PBT) has become a critical material in aerospace, electronics, and medical devices due to its exceptional physical and chemical properties. its inherent brittleness limits broader applications. To address this challenge, researchers have developed various modification strategies, among which drawing modification is a highly effective method to enhance the toughness of PBT materials.
Drawing Modification: This approach involves altering the molecular chain structure of PBT through physical or chemical means to improve strength and toughness. Its core principle lies in reorganizing polymer chains into more ordered arrangements, reducing molecular slippage and crack formation.
Physical Modification Methods: Mechanical processes such as stretching or compressing can adjust the orientation and crystallinity of PBT molecular chains. For instance, stretching PBT samples at high temperatures realigns molecules along the stress direction, significantly improving tensile strength and elongation at break.
Chemical Modification Methods: Cross-linking agents or grafting agents are introduced to form new chemical bonds between PBT chains, enhancing interchain interactions. For example, copolymerizing PBT with maleic anhydride monomers yields modified PBT with superior mechanical properties.
Complementary Strategies: Surface coating technologies create protective layers that inhibit crack propagation, while nanofillers dispersed in the PBT matrix improve both mechanical performance and thermal stability.
Practical Applications: Drawn PBT composites exhibit remarkable improvements, such as multiply increased tensile strength and enhanced durability under extreme conditions (e.g., high temperature, pressure, or humidity).
Challenges: Despite its advantages, drawing modification requires specialized equipment and techniques, raising production costs. Post-processing steps like heat treatment may be necessary for stability, and further optimization is often needed for specific applications.
Future Outlook: As materials science advances, drawing modification is poised to play a larger role in high-performance polymers. Ongoing innovations could enable more cost-effective, eco-friendly, and superior-performing materials, while deeper research will refine practical implementation across industries.
Note: The original text refers to "Polybenzoxazole (PBT)," but PBT typically denotes polybutylene terephthalate, while polybenzoxazole is usually abbreviated as PBO. This translation retains the original terminology as provided.
