Pattern transformation of heat-shrinkable polymer by three-dimensional (3D) printing technique

Scientific Reports
Quan ZhangGengkai Hu

Abstract

A significant challenge in conventional heat-shrinkable polymers is to produce controllable microstructures. Here we report that the polymer material fabricated by three-dimensional (3D) printing technique has a heat-shrinkable property, whose initial microstructure can undergo a spontaneous pattern transformation under heating. The underlying mechanism is revealed by evaluating internal strain of the printed polymer from its fabricating process. It is shown that a uniform internal strain is stored in the polymer during the printing process and can be released when heated above its glass transition temperature. Furthermore, the internal strain can be used to trigger the pattern transformation of the heat-shrinkable polymer in a controllable way. Our work provides insightful ideas to understand a novel mechanism on the heat-shrinkable effect of printed material, but also to present a simple approach to fabricate heat-shrinkable polymer with a controllable thermo-structural response.

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Citations

Mar 24, 2016·Advanced Drug Delivery Reviews·James NormanAkm Khairuzzaman
Apr 14, 2016·Scientific Reports·Jiangtao WuH Jerry Qi
Aug 9, 2016·Scientific Reports·Qi GeMartin L Dunn
Nov 13, 2015·Scientific Reports·Yonghee LeeMaenghyo Cho
Dec 24, 2016·ACS Applied Materials & Interfaces·Ran YuWei Huang
Feb 20, 2016·Scientific Reports·Wei WangSung-Hoon Ahn
Sep 23, 2016·Advanced Materials·Ziwei WangGengkai Hu
Jul 1, 2017·Advanced Materials·Hui YangXiaodong Chen
Aug 28, 2020·Micromachines·Honghui ChuLianqing Liu
Apr 26, 2017·Science Advances·Zhen DingMartin L Dunn
Nov 21, 2020·Polymers·Shukantu Dev Nath, Sabrina Nilufar
May 30, 2019·ACS Applied Materials & Interfaces·Ming LeiH Jerry Qi
Mar 6, 2018·ACS Applied Materials & Interfaces·Wei WangSung-Hoon Ahn
Apr 20, 2018··Guanyun WangByoungkwon An
Apr 20, 2018··Byoungkwon AnYe Tao

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Methods Mentioned

BETA
differential scanning calorimetry

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