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The effect of absorbed solvent on the flexural characteristics of 3D-printed photosensitive polymers

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Abstract

Despite numerous polymerization investigations, flexural characteristics of acrylic resins have not been widely explored. The mechanical characteristics of polymers have received little attention. Photosensitive resins (PSR) may be subjected to hazardous conditions when employed in many technological applications. It is critical to understand how the environment influences resin service life. This study evaluates the effect of the surrounding atmosphere on the mechanical attributes of PSR, including flexural strength, maximum force resistance, flexural strain, and morphological changes. The samples in circular rings were manufactured via 3D printing and divided into four groups according to their contact environment (exposure in water (EW), exposure in coffee (EC), exposure in salt (ES), and exposure in the air (EA)). The circular rings were first modeled via solid works and experimentally fabricated via a 3D printer parallel to the printer platform. Our experimental results demonstrate that the surrounding exposed environment and time duration significantly impact the mechanical properties of PSR. However, the mechanical characteristics of PSR are almost consistent when measured at different time intervals in an air environment. However, long-term solution exposure in liquid affects the mechanical properties of the fabricated rings. Mechanical flexural resilience decreases with increasing exposure time.

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Funding

This research is financially supported by the Key-Area Research and Development Program of Guangdong Province (Grant No. 2020B090923002).

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Conceptualization and methodology, Sadaf Bashir Khan; software, Jiahua Liang & Chuang Xiao; formal analysis, Xiaohong Sun; writing—review and editing, Sadaf Bashir Khan; funding acquisition, Nan Li and Shenggui Chen.

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Correspondence to Xiaohong Sun or Shenggui Chen.

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The authors declare no competing interests.

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Khan, S.B., Li, N., Liang, J. et al. The effect of absorbed solvent on the flexural characteristics of 3D-printed photosensitive polymers. Mech Time-Depend Mater 27, 687–704 (2023). https://doi.org/10.1007/s11043-022-09586-5

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  • DOI: https://doi.org/10.1007/s11043-022-09586-5

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