1、环氧树脂改性三乙烯四胺固化剂的合成及性能研究
实验结果表明:最佳改性条件为n (AGE):n (E44):n (TETA)=4.5:1:3,反应温度为50℃,反应时间为3h,可制备出水溶性优异,与环氧树脂乳液相容性优良的改性环氧树脂固化剂,其比未改性的三乙烯四胺有优异的物理化学性能和环保性能。 该固化剂以水为溶剂,大大降低了制备出的涂料的VOC含量。
2、环氧树脂改性三乙烯四胺固化剂的合成及性能研究
实验结果表明：最佳改性条件为 n（AGE）：n（E44）：n（TETA）＝ 4 5：1：3，反应温度为50℃，反应时间为3h，可制备出水溶性优异，与环氧树脂乳液相容性优良的改性环氧树脂固化剂，其比未改性的三乙烯四胺有优异的物理化学性能和环保性能。 该固化剂以水为溶剂，大大降低了制备出的涂料的 VOC 含... 收稿日期：2017－12－14基金项目：中央高校基本科研业务费资助（3142017022）作者简介：马尚权（1968－），男，山西大同人，博士，教授华北科技学院人事处处长，研究方向：安全工程。
3、Study curing of epoxy resin by Isophoronediamine/ Triethylenetetramine
In this study, epoxy/nanoclay composites based on Diglycidyl Ether Bisphenol-A (DGEBA) will be cross-linked using Isophorone Diamine (IPD), a cycloaliphatic amine, and Triethylenetetramine (TETA), a linear aliphatic amine.
Synthesis, characterization and application of triethylenetetramine
Polystyrene-triethylenetetramine resin (PS-TETA) was synthesized from chloromethylated polystyrene (PS-Cl) and triethylenetetramine (TETA) and employed as a new adsorbent for heavy metal removal from aqueous solutions.
Modification of Urea
In recent years, there has been a growing number of studies in which UF resin is modified with various chemical compounds to reduce the amount of free formaldehyde released from plywood and other wood-based materials [16]. The modifiers can be either organic or inorganic.
Study curing of epoxy resin by Isophoronediamine/ Triethylenetetramine
In this study, epoxy/nanoclay composites based on Diglycidyl Ether Bisphenol-A (DGEBA) will be cross-linked using Isophorone Diamine (IPD), a cycloaliphatic amine, and Triethylenetetramine (TETA), a linear aliphatic amine.
Synthesis and Characteristics of Macroporous Epoxy Resin
In this novel method the polyethylene glycol (PEG-400) was used as solvent in the initial stage and a phase-separation reagent at later stage of the polymerization was firstly adopted. The resin was modified by sodium chloroacetate and the carboxyl groups were introduced.
Fabrication, Morphology and Cure Behavior of Triethylenetetramine
In this functionalization process, grafting triethylenetetr-amine (TETA) on the multiwalled CNT (MWCNT) surface can bridge the connection of MWCNTs to the epoxy matrix.
Modification of Urea
Adhesive mixtures containing 0%, 0.5%, 1.0%, and 1.5% TETA were prepared and characterized in terms of pH, viscosity, solids content, and gel time. The incorporation of TETA significantly...
doi:10.1016/j.cej.2009.09.009
In the spectra of PS-TETA resin, the appearance of characteristics bands of N–H of secondary amine groups at 3427cm−1, in addition to a band at 1362cm−1 due to C–N stretching vibration, suggested the presence of amine moiety on the modified polymer.
In modern industry, materials science plays a pivotal role. Among various applications, resins and polymers are extensively utilized, and triethylenetetramine (TETA), as a critical organic compound, has become a focal point for modification studies. Resin-modified triethylenetetramine not only significantly enhances mechanical properties, thermal stability, and chemical resistance but also expands its applicability in specialized fields, driving innovations in industrial production and scientific research.
Triethylenetetramine, characterized by its molecular structure containing three ethyl groups and one amino group, exhibits exceptional catalytic activity in numerous chemical reactions. its limitations, such as low solubility and poor thermal stability, restrict broader applications. To address these challenges, researchers have turned to resins—high-molecular-weight compounds with advantageous properties like high-temperature resistance and chemical corrosion resistance—as a complementary material.
By integrating TETA with resins, novel composite materials can be developed, combining the strengths of both components. These composites hold immense potential in industries such as electronics, aerospace, and automotive manufacturing.
The process of modifying triethylenetetramine with resins involves sophisticated chemical and technological methods. Initially, TETA undergoes pretreatment (e.g., drying and degassing) to ensure uniform dispersion within the resin matrix. It is then thoroughly mixed with the resin via melt-mixing or solution-mixing techniques, followed by shaping and curing to produce the final composite.
The results of resin-modified triethylenetetramine are remarkable. The composite demonstrates enhanced stability under high temperatures, resisting decomposition or degradation. Additionally, the resin’s inherent thermal stability大幅提升the composite’s heat resistance, enabling reliable performance at elevated temperatures.
Mechanically, the composite showcases superior properties. By adjusting the type and ratio of resin, its hardness, toughness, and strength can be tailored to specific needs. For instance, in automotive manufacturing, these composites can be used to fabricate high-strength body components, improving vehicle safety and durability.
Practical applications reveal vast potential. In renewable energy, modified composites can serve as battery electrode materials, boosting energy density and cycle life. In environmental protection, they aid in treating wastewater and exhaust gases, reducing pollution.
Despite its promise, resin-modified triethylenetetramine faces challenges. Enhancing compatibility between resin and TETA remains critical, as mismatched molecular structures may weaken composite performance. Cost control is another hurdle, as high production expenses could limit widespread adoption.
Looking ahead, research will focus on optimizing processes to reduce costs and improve performance. As demand for advanced materials grows, these composites are poised to contribute to diverse sectors, driving progress in society.
the study and application of resin-modified triethylenetetramine represent a forward-looking endeavor. Through continuous innovation, we can anticipate the emergence of more high-performance composites, unlocking new possibilities for industrial and scientific advancements.
