Synthesis and characterization of highly flexible polyguanamines bearing di-n-octylamino groups in their side chains

IF 4.5 3区工程技术 Q1 CHEMISTRY, APPLIED

Reactive & Functional Polymers Pub Date : 2025-03-04 DOI:10.1016/j.reactfunctpolym.2025.106247

Tadashi Tsukamoto , Takara Goto , Yuji Shibasaki

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Abstract

In this study, polyguanamines were synthesized by polymerizing 2-amino-4,6-dichloro-N,N-dioctyl-1,3,5-triazine (DOctATC) with various α,ω-alkylene diamines, namely, 1,12-diaminododecane, 1,10-diaminodecane, and 1,8-diaminooctane. The resulting polyguanamines exhibited good solubility in typical organic solvents, particularly in non-polar ones. Films of the synthesized polyguanamines, prepared via casting, were soft and sticky. Under both N₂ and air flow, the polyguanamines demonstrated 5 % weight loss at temperatures of up to 380 °C. Furthermore, their glass transition temperatures (T_g) were approximately −20 °C. Thermomechanical analysis revealed a softening temperature above T_g, while dynamic mechanical analysis showed a relaxation corresponding to this softening temperature. During tensile tests, the polyguanamine films displayed large elongations ranging1 from 54 %–2034 %.

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来源期刊

Reactive & Functional Polymers 工程技术-高分子科学

CiteScore

8.90

自引率

5.90%

发文量

259

审稿时长

27 days

期刊介绍： Reactive & Functional Polymers provides a forum to disseminate original ideas, concepts and developments in the science and technology of polymers with functional groups, which impart specific chemical reactivity or physical, chemical, structural, biological, and pharmacological functionality. The scope covers organic polymers, acting for instance as reagents, catalysts, templates, ion-exchangers, selective sorbents, chelating or antimicrobial agents, drug carriers, sensors, membranes, and hydrogels. This also includes reactive cross-linkable prepolymers and high-performance thermosetting polymers, natural or degradable polymers, conducting polymers, and porous polymers. Original research articles must contain thorough molecular and material characterization data on synthesis of the above polymers in combination with their applications. Applications include but are not limited to catalysis, water or effluent treatment, separations and recovery, electronics and information storage, energy conversion, encapsulation, or adhesion.