1、Amide functionalized ionic liquids as curing agents for epoxy resin
Amide functionalized ionic liquids as curing agents for epoxy resin: Preparation, characterization, and curing behaviors with TDE-85 Long Liu,†§* Sheng Gao,†‡ Zhiyi Jiang,†II Yanqiang Zhang,† Dayong Gui,‡* and Suojiang
2、Chemorheological behaviors of TDE
In this study, 1,4-cyclohexanedimethanol diglycidyl ether (EP-1) has been synthesized via a two-step process to toughen and lower the viscosity of TDE-85 epoxy first time and suitable for the resin transfer molding (RTM) process.
3、The curing and thermal transition behavior of epoxy resin: a molecular
These phenomena can be illustrated by the change of the reaction energy barrier, flexibility of chains and the cohesive energy density in the molecular simulation of the curing process.
TDE—85环氧树脂应用性能研究
摘要 对于TDE— 85环氧树脂 ,采用间苯二胺 (MPD)、间苯二甲胺 (A— 5 0 )、二氨基二苯基砜 (DDS)、二氨基二苯基甲烷 (DDM)作为固化剂 ,确定了体系的最佳配比 ,通过DTA分析 ,确定了各体系的固化工...
Amide
As to thermosets of TDE-85 cured by these curing agents, their tensile strength (95.1–111.7 MPa) and elongation at break (2.69 to 4.20%) are significantly improved compared with the traditional curing systems of DDS/TDE-85 (DDS, 4,4′-diamino diphenyl sulphone).
The effect of stoichiometric ratio of curing agent on the
To observe the influence of type and content of curing agent on the modulus of epoxy, TDE-85 epoxy and two different types of curing agent, DETDA and DDS were used in this experiment.
Study on curing kinetics of TDE
Based on DSC and DMA curves, curing kinetic parameters of TDE-85/THPA epoxy resin system were calculated by means of several thermoanalysis methods, such as Kissinger, Flynn-Wall-Ozawa...
Study on Processing Performance of TDE
Influences of curing processes, viscosity-temperature curve and gel time of TDE-85 epoxy resin on injection temperature and fill mould time by RTM in 3-D braid.
Mechanism of modulus improvement for epoxy resin matrices: A molecular
In this study, the mechanism of modulus improvement caused by varying chemical structures in the diamine curing agent and adding SWCNTs into epoxy matrices were investigated, respectively, by using atomistic modeling techniques.
Influence of curing conditions on epoxy resin and its blend
This study examines the effects of curing conditions, such as curing temperature and duration of curing, the kinetics of epoxy resin, and different formulations
In modern industry and construction engineering, epoxy resins are widely utilized due to their excellent adhesive properties, mechanical strength, and electrical insulation. As a representative of epoxy resins, the curing agent proportion of TDE85 significantly impacts the final product's performance. This study aims to investigate the curing agent proportion of TDE85 epoxy resin, providing scientific and rational guidance for engineers in related fields.
1. Overview of Epoxy Resins and Their Curing Agents
Epoxy resin is a thermosetting polymer that transitions from a liquid to a solid state through reaction with curing agents. The curing process is critical to its applications, determining material properties and usage. TDE85, a modified bisphenol-A epoxy resin, boasts enhanced chemical resistance, humidity-heat stability, and electrical insulation. It is extensively employed in electronic encapsulation, coatings, composites, and other fields.
2. Role and Selection of Curing Agents
Curing agents promote the cross-linking reaction of epoxy resins, enhancing mechanical and thermal properties. Selecting an appropriate curing agent is vital for product quality. Common curing agents for TDE85 include amines, anhydrides, and acids. Amine-based curing agents are widely favored due to their superior cross-linking density and mechanical performance.
3. Importance of Curing Agent Proportion in TDE85 Epoxy Resin
The proportion (mass ratio) of curing agent to epoxy resin directly affects curing speed, hardness, flexibility, and electrical properties. Excessive curing agent prolongs curing time, reducing efficiency, while insufficient dosage may result in incomplete curing and compromised reliability. Precision control of the curing agent proportion is key to ensuring product quality.
4. Research Progress in TDE85 Epoxy Resin Curing Agent Proportions
Recent studies have achieved advancements in optimizing TDE85 curing agent proportions. Systematic experiments on curing agent types and ratios reveal that optimal proportions significantly improve mechanical and electrical properties. For example, adjusting amine types and dosages enables precise control over curing speed and hardness. Additionally, novel curing agents expand application possibilities for TDE85.
5. Strategies for Optimizing TDE85 Epoxy Resin Curing Agent Proportions
To optimize proportions:
- Conduct small-scale trials to adjust ratios based on practical conditions.
- Use computer simulations to predict material properties under different proportions.
- Develop new curing agents or improve existing ones to meet specific application needs.
Research on TDE85 epoxy resin curing agent proportions is complex yet crucial. Scientific methodologies and advanced analyses enable continuous optimization, enhancing performance and expanding applications. In the future, advancements in materials and technology will deepen this research, offering robust support for technological progress in related fields.
