Thermal responsive photopolymerization 3D printed shape memory polymers enhanced by heat transfer media

被引：6

作者：

Yang, Shuochen ^{[1
]}

Chen, Tingjun ^{[1
]}

Bu, Zesen ^{[1
]}

Tuo, Xiaohang ^{[1
]}

Gong, Yumei ^{[1
]}

Guo, Jing ^{[1
]}

机构：

[1] Dalian Polytech Univ, Sch Text & Mat Engn, Dalian 116034, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2023年 / 140卷 / 08期

关键词：

3D printing; heat transfer medium; photosensitive resin; shape memory polymer; thermal responsive; ACRYLATE RESINS;

D O I：

10.1002/app.53514

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Photosensitive resins are the research and development foundation of photopolymerization 3D printed products. We have found that cyclic trimethylolpropane formal acrylate (CTFA) and 2-phenoxy ethyl acrylate (PHEA) resins are suitable for UV-curable 3D printing consumables. Their photopolymers exhibit excellent shape memory characteristics at shape change temperature, shape recovery speed, shape extension limit, and shape maintenance ability. Moreover, we have analyzed the internal and external factors affecting these shape memory characteristics through several tests, including multi-scale structure observation, thermal analysis, and mechanical tests. Furthermore, the complex hollow model design and multiple heat transfer media are adopted to expand the concept of additive manufacturing, and improve the practicability of 4D printing intelligent products.

引用

页数：10

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