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Fabrication of Polydimethylsiloxane-Based Thermoplastic Polyurethanes with Excellent Toughness and Cold Resistance AITranslate

Chenxin Xu; Yushu Tian; Zhixing Xiong; Jiadong Wang; Bin Yang; Runguo Wang; Lixin Mao; Xuan Qin; Liqun Zhang;
Beijing University of Chemical Technology; Beijing University of Chemical Technology; Beijing University of Chemical Technology; Beijing University of Chemical Technology; Beijing University of Chemical Technology; Beijing University of Chemical Technology; Beijing University of Chemical Technology; Beijing University of Chemical Technology; Beijing University of Chemical Technology
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Publisher: ACS
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Abstract AITranslate

In order to fabricate a tough material with excellent cold resistance, we designed a series of polydimethylsiloxane (PDMS)-based thermoplastic polyurethanes (TPUs). Bis[(3-(2-hydroxyethoxy)propyl)dimethylsilyl]-terminated PDMS was chosen as a soft segment to interact with a hard segment consisting of dicyclohexylmethane-4,4′-diisocyanate and 1,4-butanediol. By combination of the advantages of PDMS and TPU, the maximum tensile strength of the synthesized PDMS-based TPU reached 18.46 MPa, and the maximum coefficient of cold resistance under compression at −50 °C was 0.704, which is higher than that of traditional cold-resistant rubbers. Remarkably, the prepared PDMS-based TPU is tough enough to function properly at lower temperature as a 3D-printing material and can be utilized in various applications.

KeyWords AITranslate

polydimethylsiloxane thermoplastic polyurethanes microphase separation cold resistance toughness high flexibility
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Basic Information:

DOI：https://doi.org/10.1021/acsapm.1c01554

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Citation Information:

In order to fabricate a tough material with excellent cold resistance, we designed a series of polydimethylsiloxane (PDMS)-based thermoplastic polyurethanes (TPUs). Bis[(3-(2-hydroxyethoxy)propyl)dimethylsilyl]-terminated PDMS was chosen as a soft segment to interact with a hard segment consisting of dicyclohexylmethane-4,4′-diisocyanate and 1,4-butanediol. By combination of the advantages of PDMS and TPU, the maximum tensile strength of the synthesized PDMS-based TPU reached 18.46 MPa, and the maximum coefficient of cold resistance under compression at −50 °C was 0.704, which is higher than that of traditional cold-resistant rubbers. Remarkably, the prepared PDMS-based TPU is tough enough to function properly at lower temperature as a 3D-printing material and can be utilized in various applications.

quote

GB/T 7714-2015 [1] Chenxin Xu, Yushu Tian, Zhixing Xiong, et al. ACS Applied Polymer Materials, 2022(4). DOI:10.1021/acsapm.1c01554.
MLA [1] Chenxin Xu, et al., ACS Applied Polymer Materials, no. 4, 2022, https://doi.org/10.1021/acsapm.1c01554.
APA [1] Chenxin Xu, Yushu Tian, Zhixing Xiong, Jiadong Wang, Bin Yang, Runguo Wang, Lixin Mao, Xuan Qin, & Liqun Zhang. (2022). ACS Applied Polymer Materials(4). https://doi.org/10.1021/acsapm.1c01554
IEEE [1] Chenxin Xu, Yushu Tian, Zhixing Xiong, Jiadong Wang, Bin Yang, Runguo Wang, Lixin Mao, Xuan Qin, and Liqun Zhang, ACS Applied Polymer Materials, no. 4, 2022, doi: 10.1021/acsapm.1c01554. keywords: {polydimethylsiloxane;thermoplastic polyurethanes;microphase separation;cold resistance;toughness;high flexibility}