1、硅氧烷预聚体改性热塑性酚醛树脂的交联结构及其力学性能
The crosslinking networks with different degree of prepolymer siloxane prepolymer (PES) modified thermoplastic phenolic resins (NR-PES) were investigated and the construction methods for their strengthening and toughening were discussed.
2、Micro cross
Herein, the micro cross-linking thermoplastic epoxy polymer (MTPE) with various cross-linking densities was first prepared by introducing the polyfunctional aromatic amine containing disulfide bond (AFD) through regulating the TPE polymerization process.
3、Advances in Toughening Modification Methods for Epoxy Resins: A
The rubber toughening method, thermoplastic resin toughening method, hyperbranched polymer toughening method, and flexible chain segment toughening method are all effective strategies for enhancing the toughness of epoxy resins.
4、Thermally Remendable Dynamically Cross
Commercial cross-linked polymeric materials exhibit a wide range of properties, ranging from extremely rigid thermosets to soft elastomers with high elongations. Recycling or repurposing these materials is a challenging yet highly important topic in polymer science and industry.
5、Dynamic crosslinking compatibilizes immiscible mixed plastics
To address this key barrier, here we introduce a new compatibilization strategy that installs dynamic crosslinkers into several classes of binary, ternary and postconsumer immiscible polymer...
Crosslinking methods for plastics: Processes & advantages
In this article, we provide a structured overview of the types of crosslinking, their advantages and disadvantages, and their areas of application in the field of cable, tube, and pipe crosslinking.
Modification of Commercial Thermoplastic Polyurethanes by
Modification of Commercial Thermoplastic Polyurethanes by Vitrimerization via Group Revival-Induced Cross-linking 来源： 汤栋霖副教授个人网站 发布日期：2025-11-24
The Influence of Crosslinking Agents on the Properties of Thermoplastic
This study investigates the effects of crosslinking agents on thermoplastic elastomers (TPEs) characteristics, emphasizing improving mechanical strength, thermal stability, and chemical...
Crosslinked Polyethylene: State
Tuning the properties in XLPE material for desired applications can be obtained by different crosslinking methods like radiation, peroxide, silane, azo, etc. and also introduce crosslinks in PE with the new technique-click chemistry.
Cross
This chapter covers the three main methods for the cross-linking of thermoplastics: radiation cross-linking, chemical cross-linking with organic peroxides, and cross-linking using silane-grafting agents.
In modern materials science, thermoplastic resins are widely used in various industrial fields due to their excellent processability and plasticity. with the advancement of technology and the expansion of application domains, increasing demands for mechanical strength, heat resistance, and specific functionalities have emerged. While traditional thermoplastic resins possess these properties, they often struggle to meet the requirements under extreme conditions. Consequently, crosslinking modification methods have been introduced as an innovative technological approach to enhance the performance of thermoplastic resins, enabling them to adapt to broader application environments.
Crosslinking modification of thermoplastic resins refers to the process of altering the interactions between molecular chains through chemical or physical means, thereby endowing the material with novel structures and properties. The core of this modification lies in adjusting the crosslinking density to improve mechanical strength, heat resistance, chemical resistance, and dimensional stability.
Various methods exist for crosslinking modification, including chemical crosslinking, physical crosslinking, and radiation crosslinking. Chemical crosslinking is achieved by adding crosslinking agents, while physical crosslinking relies primarily on high-energy radiation (such as electron beams). Each method has its advantages and disadvantages: chemical crosslinking typically enables a more uniform distribution of crosslinking density but may pose environmental risks; physical crosslinking allows for controlled crosslinking density and is eco-friendly, though it may require significant energy input.
In practical applications, selecting the appropriate crosslinking method is crucial for the final product's performance. For instance, in automotive manufacturing, chemical crosslinking is often used to enhance the wear resistance and high-temperature performance of plastic components. Conversely, in the electronics industry, physical crosslinking techniques may be preferred to ensure the stability and reliability of circuit boards.
Crosslinking modification not only improves the performance of thermoplastic resins but also expands their application prospects. For example, crosslinked thermoplastic composites, due to their superior mechanical properties and heat resistance, are widely used in aerospace and military sectors. Additionally, crosslinked biodegradable plastics have gained attention for their environmental benefits, as they can decompose rapidly under natural conditions, reducing pollution.
Despite the advantages offered by crosslinking modification technologies, challenges remain in their implementation. First, crosslinking reactions often reduce processability, such as fluidity and plasticity, necessitating a balance between performance enhancement and ease of processing. Second, crosslinking may introduce new defects, such as micropores or cracks, which could impact the material's final performance. achieving effective crosslinking without compromising processability is a key focus of current research.
Looking ahead, with advancements in materials science, crosslinking modification technologies are expected to become more refined and sophisticated. By precisely controlling crosslinking conditions and optimizing formulations, it is hoped to develop new thermoplastic resins that offer exceptional performance while maintaining ease of processing. Furthermore, as green chemistry and sustainable development principles gain traction, crosslinking technologies will increasingly prioritize environmental protection and sustainability to meet future societal needs.
Crosslinking modification methods for thermoplastic resins represent a critical technology in modern materials science. Through rational modification, not only can the performance of thermoplastic resins be significantly enhanced and their application range expanded, but new approaches to addressing challenges faced by traditional materials can also be provided. With ongoing technological progress and innovation, we have reason to believe that future materials will be smarter, more efficient, and environmentally friendly.
