Prediction of Storage Life of P580-TM-191RS Resin with Post-curing Effects

SHU Chang; ZHANG Zhihao; HUANG Lun

doi:10.7643/ issn.1672-9242.2026.02.016

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Equipment Environmental Engineering ›› 2026, Vol. 23 ›› Issue (2) : 140-146. DOI: 10.7643/ issn.1672-9242.2026.02.016

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Prediction of Storage Life of P580-TM-191RS Resin with Post-curing Effects

SHU Chang, ZHANG Zhihao, HUANG Lun

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Abstract

The work aims to investigate the post-curing effect and aging mechanisms of the resin through thermal aging tests, explore prediction methods for the duration of the post-curing effect of P580-TM-191RS resin, and innovatively propose a phased-calculation approach to predict ambient-temperature storage life by segmentally calculating the duration of the post-curing effect and the aging degradation time of the resin. Based on the thermal analysis results of the material, accelerated aging tests were designed. Flexural strength was used as the material performance evaluation index to determine the performance change models of the resin under different stresses. Regression models were established between the test time and temperature under set performance indices, and the duration of the post-curing effect of the resin under storage temperature conditions was predicted by extrapolation. P580-TM-191RS resin exhibited significant post-curing characteristics at room temperature and under various thermal environments. By establishing regression models between test time and temperature under set performance indices, the duration of the post-curing effect of the resin under room temperature conditions was predicted to be approximately 23.5 years. For resins exhibiting post-curing effects, a method for predicting ambient-temperature storage life by segmentally calculating the duration of post-curing effects and aging degradation has been proposed. This method has been validated through experiments and comparative verification with similar materials, demonstrating reasonableness and reliability.

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P580-TM-191RS resin / post-curing effects / storage life / accelerated aging / segmented modeling / prediction model

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SHU Chang, ZHANG Zhihao, HUANG Lun. Prediction of Storage Life of P580-TM-191RS Resin with Post-curing Effects[J]. Equipment Environmental Engineering. 2026, 23(2): 140-146 https://doi.org/10.7643/ issn.1672-9242.2026.02.016

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