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通过四甲基双酚A与双酚A共聚改善聚碳酸酯的热性能和机械性能

Improving the Thermal and Mechanical Properties of Polycarbonate via the Copolymerization of Tetramethylbisphenol A with Bisphenol A.

作者信息

Wang Baohe, Liu Lu, Zhu Jing, Geng Zhongfeng, Ma Jing, Liu Bohan

机构信息

Tianjin University Research and Development Center of Petrochemical Technology, Tianjin 300072, China.

Key Laboratory for Green Chemical Technology of Ministry of Education, Tianjin University, Tianjin 300072, China.

出版信息

ACS Omega. 2025 May 2;10(18):18802-18811. doi: 10.1021/acsomega.5c00500. eCollection 2025 May 13.

DOI:10.1021/acsomega.5c00500
PMID:40385206
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12079278/
Abstract

Polycarbonate is a widely used engineering plastic. However, synthesis procedures using phosgene produce toxic gases that cause environmental pollution. It is important to improve the performance of polycarbonate by using a green and safe process. Here, we synthesized tetramethylbisphenol A and bisphenol A copolymers by a green, nonphotogas melt-transesterification process using bisphenol A, diphenyl carbonate, and tetramethylbisphenol A as reaction materials. The catalysts required for the synthesis were screened. The chemical structures of the polymerization products were confirmed by an infrared spectrometer and a nuclear magnetic resonance spectrometer. The thermal and mechanical properties of polycarbonate materials were measured through differential scanning calorimetry, thermogravimetry, and an electronic Universal Testing Machine. The results showed that tetramethylbisphenol A copolycarbonate was successfully synthesized by a melt-transesterification process. Moreover, the addition of tetramethylbisphenol A significantly improved the thermal and mechanical properties of polycarbonate. The effects of catalyst dosage, diphenyl carbonate/diphenol molar ratio, polycondensation reaction temperature, and time on the molecular weight of tetramethylbisphenol A and bisphenol A copolymer were investigated, and the optimal conditions were obtained.

摘要

聚碳酸酯是一种广泛使用的工程塑料。然而，使用光气的合成过程会产生有毒气体，造成环境污染。通过绿色安全的工艺提高聚碳酸酯的性能很重要。在此，我们以双酚A、碳酸二苯酯和四甲基双酚A为反应原料，通过绿色、无光气的熔融酯交换工艺合成了四甲基双酚A与双酚A的共聚物。对合成所需的催化剂进行了筛选。通过红外光谱仪和核磁共振光谱仪确认了聚合产物的化学结构。通过差示扫描量热法、热重分析法和电子万能试验机测量了聚碳酸酯材料的热性能和力学性能。结果表明，通过熔融酯交换工艺成功合成了四甲基双酚A共聚碳酸酯。此外，四甲基双酚A的加入显著提高了聚碳酸酯的热性能和力学性能。研究了催化剂用量、碳酸二苯酯/二酚摩尔比、缩聚反应温度和时间对四甲基双酚A与双酚A共聚物分子量的影响，并获得了最佳条件。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6247/12079278/b5d01e7972a7/ao5c00500_0012.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6247/12079278/0923bc3aba84/ao5c00500_0003.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6247/12079278/ca274c833295/ao5c00500_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6247/12079278/4da0c7978e62/ao5c00500_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6247/12079278/0c413fc6153c/ao5c00500_0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6247/12079278/c05aa862711b/ao5c00500_0010.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6247/12079278/b5d01e7972a7/ao5c00500_0012.jpg

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本文引用的文献

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Materials (Basel). 2024 Nov 13;17(22):5532. doi: 10.3390/ma17225532.
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The Study of Crystallization Behavior, Microcellular Structure and Thermal Properties of Glass-Fiber/Polycarbonate Composites.
玻璃纤维/聚碳酸酯复合材料的结晶行为、微孔结构及热性能研究
Polymers (Basel). 2023 Mar 21;15(6):1546. doi: 10.3390/polym15061546.
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Novel stereoisomeric lignin-derived polycarbonates: towards the creation of bisphenol polycarbonate mimics.新型立体异构木质素衍生聚碳酸酯：迈向双酚聚碳酸酯模拟物的创制
Polym Chem. 2023 Jan 17;14(8):907-912. doi: 10.1039/d2py01523d. eCollection 2023 Feb 21.
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Tetramethyl bisphenol A stimulates proliferation but inhibits fetal Leydig cell function in male rats by targeting estrogen receptor α after in utero exposure.四甲基双酚 A 通过宫内暴露后靶向雌激素受体 α 刺激雄性大鼠增殖但抑制胎儿睾丸间质细胞功能。
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