Poly(2-oxazoline)s with pendant cubane groups†,Polymer Chemistry

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Poly(2-oxazoline)s with pendant cubane groups†
Polymer Chemistry ( IF 4.1 ) Pub Date : 2018-09-03 00:00:00 , DOI: 10.1039/c8py01037d
Mathias Glassner _{1,

2,

3,

4,

5} , Bart Verbraeken _{1,

2,

3,

4,

5} , Valentin Victor Jerca _{1,

2,

3,

4,

5} , Kristof Van Hecke _{4,

6,

7,

8,

9} , John Tsanaktsidis _{10,

11,

12,

13} , Richard Hoogenboom _{1,

2,

3,

4,

5}

Affiliation

The effect of cubane side chains on polymer properties is rarely explored. Here, the synthesis of a 2-oxazoline monomer having a cubane moiety in the 2-position is reported. Cationic ring-opening polymerization gives the corresponding poly(2-oxazoline). However, homopolymerization only yields oligomeric species that were found to be insoluble in a wide range of solvents. Soluble polymers are obtained by copolymerization of the cubane containing monomer with 2-ethyl-2-oxazoline. The resulting copolymers show thermoresponsive behaviour in aqueous solution with a cloud point temperature that varies with copolymer composition. The methyl ester functionality of the cubane containing monomer can be used for side-chain modifications via a direct amidation post-polymerization modification reaction.

中文翻译：

带有古巴侧链的聚（2-恶唑啉）†

古巴侧链对聚合物性能的影响很少被研究。在此，报道了在2-位具有古巴部分的2-恶唑啉单体的合成。阳离子开环聚合得到相应的聚（2-恶唑啉）。然而，均聚仅产生发现在多种溶剂中不溶的低聚物质。通过使含古巴的单体与2-乙基-2-恶唑啉共聚获得可溶性聚合物。所得共聚物在水溶液中显示出热响应行为，其浊点温度随共聚物组成而变化。含古巴的单体的甲酯官能团可通过直接酰胺化后聚合改性反应用于侧链改性。

更新日期：2018-09-03

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