Construction of reversible crosslinking-decrosslinking system consisting of a polymer bearing vicinal tricarbonyl structure and poly(ethylene glycol)

Yuki Tatsuya; Yonekawa Morio; Matsumoto Kozo; Tomita Ikuyoshi; Endo Takeshi

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Construction of reversible crosslinking-decrosslinking system consisting of a polymer bearing vicinal tricarbonyl structure and poly(ethylene glycol)

机译：可逆交联-去交联体系的构建，该体系由具有邻位三羰基结构的聚合物和聚乙二醇组成

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摘要

In this article, we report a novel reversible crosslinking-decrosslinking system consisting of a polymer bearing vicinal tricarbonyl moieties in its side chains and poly(ethylene glycol) (PEG). A mixture of the tricarbonyl polymer and PEG (0.1 equiv of OH groups relative to the vicinal tricarbonyl moieties) in CH2Cl2 spontaneously turned into an orange-colored gel, in which a network structure was formed through hemiketal linkages. Conversely, the resulting networked polymer could be decrosslinked by treatment with water-containing solvent to recover the linear vicinal tricarbonyl polymer as its hydrate in 90 % yield. Following dehydration process by heating at 100 degrees C under reduced pressure regenerated the original vicinal tricarbonyl polymer.

机译：在本文中，我们报告了一种新型的可逆交联-去交联体系，该体系由在其侧链上带有邻位三羰基的聚合物和聚乙二醇（PEG）组成。 CH2Cl2中三羰基聚合物和PEG的混合物（相对于邻位三羰基部分为0.1当量的OH基团）自发变成橙色凝胶，其中通过半iketaltal键形成网络结构。相反，可以通过用含水溶剂处理使所得的网状聚合物脱交联，以90％的收率回收线性邻位三羰基聚合物作为其水合物。通过在100℃减压加热进行脱水过程之后，再生了原始的邻位三羰基聚合物。

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来源
《Polymer bulletin》 |2016年第2期|共12页
作者
Yuki Tatsuya; Yonekawa Morio; Matsumoto Kozo; Tomita Ikuyoshi; Endo Takeshi;
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正文语种 eng
中图分类高分子化学（高聚物）;
关键词
Crosslinking; Decrosslinking; Gelation; Hemiketal; Recycling; Vicinal tricarbonyl;

机译：交联;去交联;缩合;半缩酮;回收;邻三羰基;

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专利

1. Construction of reversible crosslinking-decrosslinking system consisting of a polymer bearing vicinal tricarbonyl structure and poly(ethylene glycol) [J] . Yuki Tatsuya, Yonekawa Morio, Matsumoto Kozo, Polymer bulletin . 2016,第2期

机译：可逆交联-去交联体系的构建，该体系由具有邻位三羰基结构的聚合物和聚乙二醇组成
2. Reversible fixation and release of alcohols by a polymer bearing vicinal tricarbonyl moieties and its application to synthesis and reversible cross-linking-de-cross-linking system of a networked polymer [J] . Morino K., Sudo A., Endo T. Macromolecules . 2012,第11期

机译：带有邻位三羰基的聚合物可逆固定和释放醇类及其在网络聚合物的合成和可逆交联-去交联体系中的应用
3. Synthesis and reversible hydration-dehydration system of copolymers bearing a vicinal tricarbonyl structure [J] . Dei T., Morino K., Sudo A., Journal of Polymer Science, Part A. Polymer Chemistry . 2012,第13期

机译：具有邻位三羰基结构的共聚物的合成和可逆水合脱水体系
4. Protein Release Studies of Thermogelling Polyurethane Copolymers Consisting of Poly(1,4-butylene adipate), Poly(ethylene glycol), and Poly(propylene glycol) [C] . Chengde Liu, Yuan Ping, Jun Li World biomaterials congress . 2012

机译：由聚（1,4-丁二酸己二酸酯），聚乙二醇和聚丙二醇组成的热凝胶聚氨酯共聚物的蛋白质释放研究
5. Prediction of long-term properties in polymeric systems: I. Slow crack propagation in poly(vinyl chloride). II. Aging of poly(lactide)/poly(ethylene glycol) blends. [D] . Hu, Yu. 2003

机译：聚合物系统长期性能的预测：I.聚氯乙烯中裂纹扩展缓慢。二。聚丙交酯/聚乙二醇混合物的老化。
6. Physicochemical Aspects of Doxorubicin-loaded pH-sensitive Polymeric Micelle Formulations from Mixtures of Poly(l--histidine)-b-poly(ethylene glycol)/ poly(l--lactide)-b-poly(ethylene glycol) [O] . Haiqing Yin, You Han Bae -1

机译：聚（1-组氨酸）-b-聚（乙二醇）/聚（丙交酯）-b-聚（乙二醇）的混合物中负载阿霉素的pH敏感聚合物胶束制剂的理化特性
7. Preparation and Characterizations of RSPP050-Loaded Polymeric Micelles Using Poly(ethylene glycol)-b-Poly(ε-caprolactone) and Poly(ethylene glycol)-b-Poly(D,L-lactide) [O] . Komgrit Eawsakul, Panarin Chinavinijkul, Rungnapha Saeeng, 2017

机译：使用聚（乙二醇） - β-i> B -pold（ε-己内酯）和聚（乙二醇） - B -poly（d ，L-丙交酯）

Construction of reversible crosslinking-decrosslinking system consisting of a polymer bearing vicinal tricarbonyl structure and poly(ethylene glycol)

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