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大量化生產的超分子聚合物(暫定)
 
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技術名稱
Technology
大量化生產的超分子聚合物(暫定)
發明人
Inventor
鄭智嘉, 李篤中,
所有權人
Asignee
國立臺灣科技大學

專利國家
Country
申請號
Application No.
專利號
Patent No.
中心案號
Serial No.
中華民國 104121556 I 557154 1040016TW0
 
點閱數:283
技術摘要:
A new supramolecular polymer containing urea-cytosine (UrCy) quadruple hydrogen-bonding moieties possessing a high association constant (Ka > 106 M-1) was synthesized at high yield (96%) in kilogram-scale. The synthesized telechelic macromer dissolved in solution can lead to substantial change in solution viscoelasticity and can self-assembly owing to the noncovalent nature of supramolecular polymerization. Along with the increased concentration of UrCy in the solution, the spherical assemblies gradually transformed to ordered lamellar phase with an extremely high degree of polymerization. In addition, the dynamic behavior of UrCy units causes a sudden phase transition in the bulk, revealing an interesting order-disorder transition from crystalline solid to a liquid state. This new discovered material has excellent polymer-like features far different to those can be found in the existing systems. A facile path is recommended for kilogram-scale production of this new supramolecular polymeric material.


 
   




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