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用于工业应用的暴露于紫外线辐射下的TPU/PP共混物的稳定性

Stability of TPU/PP Blends Exposed to UV Radiation for Industrial Applications.

作者信息

Vargas-Isaza Carlos, Tamayo Jose A, Baena Libia M, Marin Juan Felipe Santa, Benitez-Lozano Adrian José

机构信息

Grupo de Investigación Calidad, Metrología y Producción, Instituto Tecnológico Metropolitano, Medellin 050034, Colombia.

Facultad de Minas, Universidad Nacional de Colombia, Medellin 050034, Colombia.

出版信息

Polymers (Basel). 2025 Jun 30;17(13):1842. doi: 10.3390/polym17131842.

DOI:10.3390/polym17131842
PMID:40647854
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12252068/
Abstract

Thermoplastic polyurethanes (TPUs) have found diverse applications across different industries, which expose the material to various environmental conditions. Among these, UV radiation stands out as one of the most aggressive, leading to significant degradation in polymers. Considering this, this study explores the use of commercial additives, such as polyethylene masterbatches (MB), and their effectiveness as inhibitors of UV radiation-induced degradation. In addition, it investigates the possibility of blending high-performance polymers, such as TPU, with commodity polymers, such as polypropylenes. The prepared blends were evaluated via thermogravimetric analysis, infrared and electron microscopy, hardness and tensile strength assessments, and scanning electron microscopy before and after 320 h of exposure to accelerated aging. The findings suggest that the adequate incorporation of additives in blends can help to reduce the harmful effects caused by UV radiation on the polymeric materials.

摘要

热塑性聚氨酯（TPU）在不同行业有着广泛的应用，这使得该材料暴露于各种环境条件下。其中，紫外线辐射是最具侵蚀性的因素之一，会导致聚合物显著降解。考虑到这一点，本研究探讨了商业添加剂（如聚乙烯母粒（MB））的使用及其作为紫外线辐射诱导降解抑制剂的有效性。此外，还研究了将高性能聚合物（如TPU）与通用聚合物（如聚丙烯）共混的可能性。通过热重分析、红外和电子显微镜、硬度和拉伸强度评估以及在加速老化320小时前后的扫描电子显微镜对制备的共混物进行了评估。研究结果表明，在共混物中适当加入添加剂有助于减少紫外线辐射对聚合物材料造成的有害影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/21ea92a23d16/polymers-17-01842-g017.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/8c7eac095033/polymers-17-01842-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/4b50e2ddaf88/polymers-17-01842-g004.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/f108827f1156/polymers-17-01842-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/ec1333fd38d9/polymers-17-01842-g008.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/c6dd560f1afb/polymers-17-01842-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/1399144432eb/polymers-17-01842-g011a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/967a02041676/polymers-17-01842-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/ae61bd4561ed/polymers-17-01842-g013a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/452654cd862f/polymers-17-01842-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/aa0ea71173a6/polymers-17-01842-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/33a382d2515a/polymers-17-01842-g016.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/21ea92a23d16/polymers-17-01842-g017.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/8c7eac095033/polymers-17-01842-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/4b50e2ddaf88/polymers-17-01842-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/1599e3acfa83/polymers-17-01842-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/0b39e5cef06f/polymers-17-01842-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/f108827f1156/polymers-17-01842-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/ec1333fd38d9/polymers-17-01842-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/f225e69d3fe3/polymers-17-01842-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/c6dd560f1afb/polymers-17-01842-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/1399144432eb/polymers-17-01842-g011a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/967a02041676/polymers-17-01842-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/ae61bd4561ed/polymers-17-01842-g013a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/452654cd862f/polymers-17-01842-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/aa0ea71173a6/polymers-17-01842-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/33a382d2515a/polymers-17-01842-g016.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/939a/12252068/21ea92a23d16/polymers-17-01842-g017.jpg

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本文引用的文献

1
Influences of TPU Content on the Weld Line Characteristics of PP and ABS Blends.TPU含量对PP与ABS共混物熔接线特性的影响。
Polymers (Basel). 2023 May 16;15(10):2321. doi: 10.3390/polym15102321.
2
Mechanical Properties of Additively Manufactured Thermoplastic Polyurethane (TPU) Material Affected by Various Processing Parameters.增材制造的热塑性聚氨酯（TPU）材料的力学性能受各种加工参数的影响。
Polymers (Basel). 2020 Dec 16;12(12):3010. doi: 10.3390/polym12123010.