Thermo-responsive 3D-printed polyrotaxane monolith†,Polymer Chemistry

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Thermo-responsive 3D-printed polyrotaxane monolith†
Polymer Chemistry ( IF 4.1 ) Pub Date : 2019-10-29 , DOI: 10.1039/c9py01510h
Qianming Lin _{1,

2,

3,

4} , Miao Tang _{1,

2,

3,

4} , Chenfeng Ke _{1,

2,

3,

4}

Affiliation

Thermo-responsive 3D-printed hydrogels that are composed of methylated α-cyclodextrin polyrotaxanes have been synthesized through post-3D-printing methylation. With a high methylation degree of the threaded α-cyclodextrins, the fabricated monolith exhibits a two-stage thermo-induced aggregation behavior, in which a second micro-crystallization process was identified for the first time. The methylated polyrotaxane monoliths possess reversible temperature-dependent size, transparency, and elastic moduli switching in an aqueous environment. Through dual-material 3D printing, the 3D-printed monolith actuates back-and-forth at different temperatures.

中文翻译：

热响应3D打印的聚轮烷整体件†

由甲基化的α-环糊精聚轮烷组成的热响应3D打印水凝胶是通过3D打印后的甲基化合成的。具有较高的甲基化程度的带螺纹的α-环糊精，制成的整体显示出两阶段的热诱导聚集行为，其中第一次确定了第二个微晶化过程。甲基化聚轮烷整料在水性环境中具有可逆的温度依赖性大小，透明度和弹性模量转换。通过双材料3D打印，3D打印的整料在不同的温度下往复运动。

更新日期：2020-01-02

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