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学者姓名：曹静
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Abstract ：
Slow rebound polyurethane foam (SPUF) has developed rapidly because of its excellent performance in sound insulation, energy absorption, and tactile sensation. However, the friction-induced electrostatic charge accumulation occurs easily due to its high resistivity. In this paper, dimethyl octadecyl hydroxy ethyl ammonium nitrate (SN) intercalated reduced graphene oxide (SN-RGO) were prepared as the conductive agent. The antistatic slow rebound polyurethane foam (ASR-PUF) was prepared with SN-RGO/carbon black as antistatic system and silicone-modified polyethylene glycol (Si-APEG) as low temperature resistant agent. The structures of SN-RGO were investigated by Fourier transform infrared spectra (FT-IR), wide-angle X-ray diffraction (WAXD), and scanning electron microscope (SEM), respectively. The effects SN-RGO on the structures, mechanical properties, low-temperature resistance, and antistatic property of ASR-PUF were studied. It was found that SN-RGO acts as heterogeneous cell nucleating agent, which slightly increases the apparent core density and slightly decreases the porosity of ASR-PUF. The addition of SN-RGO increases both the tensile strength and elongation at break of ASR-PUF, and has little effect on the temperature sensitive index. The surface resistance of ASR-PUF decreases to 1.1 x 108 Omega with a SN-RGO content of 4 wt%, thereby achieving an antistatic effect.Highlights SN-RGO acts as heterogeneous cell nucleating agent in PU foaming. SN-RGO/carbon black provide good antistatic property and mechanical properties without affecting the low-temperature resistance of ASR-PUF. ASR-PUF with an appropriate content of SN-RGO exhibits excellent comprehensive performance.
Keyword ：
antistatic antistatic intercalated reduced graphene oxide intercalated reduced graphene oxide low-temperature resistance low-temperature resistance polyurethane foam polyurethane foam
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| GB/T 7714 | Cao, Jing , Wang, Li , Zheng, Yuying . Preparation of antistatic slow rebound polyurethane foam based on dimethyl octadecyl hydroxy ethyl ammonium nitrate intercalated reduced graphene oxide/carbon black antistatic system [J]. | POLYMER ENGINEERING AND SCIENCE , 2025 , 65 (5) : 2192-2202 . |
| MLA | Cao, Jing 等. "Preparation of antistatic slow rebound polyurethane foam based on dimethyl octadecyl hydroxy ethyl ammonium nitrate intercalated reduced graphene oxide/carbon black antistatic system" . | POLYMER ENGINEERING AND SCIENCE 65 . 5 (2025) : 2192-2202 . |
| APA | Cao, Jing , Wang, Li , Zheng, Yuying . Preparation of antistatic slow rebound polyurethane foam based on dimethyl octadecyl hydroxy ethyl ammonium nitrate intercalated reduced graphene oxide/carbon black antistatic system . | POLYMER ENGINEERING AND SCIENCE , 2025 , 65 (5) , 2192-2202 . |
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Slow rebound polyurethane foam (SPUF) has been widely used due to its advantages such as sound insulation, energy absorption, and good tactile sensation. However, SPUF is prone to harden at low temperature, and its application in medical equipment and households requires significant antibacterial properties. In this paper, self‐made silicone modified polyethylene glycol (Si‐APEG) and graphene oxide supported allicin (Alc@GO) were prepared and used as low‐temperature resistant agent and antibacterial agent, respectively. Low‐temperature resistant polyurethane foam (LSPUF) and antibacterial LSPUF (ALSPUF) were prepared respectively with water as foaming agent. The morphology of ALSPUF was observed by scanning electron microscope. Properties studied include apparent core density and porosity, mechanical properties including tensile strength, 40% compressive hardness, and rebound resilience, as well as low‐temperature resistance. Effects of Si‐APEG content on the structures and properties were analyzed and the LSPUF with an Si‐APEG content of 10 wt.% showed the best comprehensive performance. Therefore, ALSPUFs with Si‐APEG content of 10 wt.% and Alc@GO content of 0–3 wt.% were prepared. The addition of Alc@GO increased the antibacterial ratio significantly without obvious effect on the structure and mechanical properties of LSPUF. The antibacterial ratio of ALSPUF reached 99.07% at a Alc@GO content of 2.5 wt.% and testing time of 60 min. This work provides an effective and feasible method for the preparation of ALSPUF which can be widely used in medical devices and households.HighlightsSilicone modified polyether is a suitable low‐temperature resistant agent for PU foam.Allicin supported on GO provides good antibacterial property for PU foam.ALSPUF has better mechanical properties than SPU.
Keyword ：
antibacterial properties antibacterial properties graphene oxide supported allicin graphene oxide supported allicin low-temperature resistance low-temperature resistance silicone modified polyethylene silicone modified polyethylene slow rebound polyurethane foam slow rebound polyurethane foam
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| GB/T 7714 | Jing Cao , Li Wang , Yuying Zheng . Synthesis and characterization of antibacterial and low‐temperature resistant slow rebound polyurethane foams [J]. | Polymer Engineering & Science , 2024 , 64 (10) : 4709-4719 . |
| MLA | Jing Cao 等. "Synthesis and characterization of antibacterial and low‐temperature resistant slow rebound polyurethane foams" . | Polymer Engineering & Science 64 . 10 (2024) : 4709-4719 . |
| APA | Jing Cao , Li Wang , Yuying Zheng . Synthesis and characterization of antibacterial and low‐temperature resistant slow rebound polyurethane foams . | Polymer Engineering & Science , 2024 , 64 (10) , 4709-4719 . |
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该文以生物质材料作为原料制备了单组分膨胀型阻燃剂，并将其加入聚乳酸中制备了复合材料。实验结果表明，该阻燃剂能够显著提高聚乳酸的阻燃性能和抗熔滴性能，且热稳定性良好。该实验涉及高分子材料配方设计、成型加工、性能测试、结构表征等专业知识，可使学生掌握高分子材料阻燃机理，熟练使用相关仪器设备进行测试与分析，有利于他们提高综合运用知识的能力，并针对高分子材料与工程领域的复杂工程问题设计解决方案。
Keyword ：
探索性实验 探索性实验 生物质 生物质 聚乳酸 聚乳酸 阻燃 阻燃
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| GB/T 7714 | 靳艳巧 , 曹静 , 胡礼波 et al. 全生物质单组份膨胀型阻燃剂的制备与性能研究实验设计 [J]. | 实验技术与管理 , 2024 , 41 (03) : 232-237 . |
| MLA | 靳艳巧 et al. "全生物质单组份膨胀型阻燃剂的制备与性能研究实验设计" . | 实验技术与管理 41 . 03 (2024) : 232-237 . |
| APA | 靳艳巧 , 曹静 , 胡礼波 , 熊雷 . 全生物质单组份膨胀型阻燃剂的制备与性能研究实验设计 . | 实验技术与管理 , 2024 , 41 (03) , 232-237 . |
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Abstract ：
Slow rebound polyurethane foam (SPUF) has been widely used due to its advantages such as sound insulation, energy absorption, and good tactile sensation. However, SPUF is prone to harden at low temperature, and its application in medical equipment and households requires significant antibacterial properties. In this paper, self-made silicone modified polyethylene glycol (Si-APEG) and graphene oxide supported allicin (Alc@GO) were prepared and used as low-temperature resistant agent and antibacterial agent, respectively. Low-temperature resistant polyurethane foam (LSPUF) and antibacterial LSPUF (ALSPUF) were prepared respectively with water as foaming agent. The morphology of ALSPUF was observed by scanning electron microscope. Properties studied include apparent core density and porosity, mechanical properties including tensile strength, 40% compressive hardness, and rebound resilience, as well as low-temperature resistance. Effects of Si-APEG content on the structures and properties were analyzed and the LSPUF with an Si-APEG content of 10 wt.% showed the best comprehensive performance. Therefore, ALSPUFs with Si-APEG content of 10 wt.% and Alc@GO content of 0-3 wt.% were prepared. The addition of Alc@GO increased the antibacterial ratio significantly without obvious effect on the structure and mechanical properties of LSPUF. The antibacterial ratio of ALSPUF reached 99.07% at a Alc@GO content of 2.5 wt.% and testing time of 60 min. This work provides an effective and feasible method for the preparation of ALSPUF which can be widely used in medical devices and households.Highlights Silicone modified polyether is a suitable low-temperature resistant agent for PU foam. Allicin supported on GO provides good antibacterial property for PU foam. ALSPUF has better mechanical properties than SPU. SEM images of GO loaded with allicin particles (Alc@GO, top left), as well as the cell structures of foam with Alc@GO (bottom left). Selected graphs include change in low-temperature resistance of the foam with the content of low-temperature resistance agent (top right) and antibacterial property with Alc@GO content (bottom right). image
Keyword ：
antibacterial properties antibacterial properties graphene oxide supported allicin graphene oxide supported allicin low-temperature resistance low-temperature resistance silicone modified polyethylene silicone modified polyethylene slow rebound polyurethane foam slow rebound polyurethane foam
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| GB/T 7714 | Cao, Jing , Wang, Li , Zheng, Yuying . Synthesis and characterization of antibacterial and low-temperature resistant slow rebound polyurethane foams [J]. | POLYMER ENGINEERING AND SCIENCE , 2024 , 64 (10) : 4709-4719 . |
| MLA | Cao, Jing et al. "Synthesis and characterization of antibacterial and low-temperature resistant slow rebound polyurethane foams" . | POLYMER ENGINEERING AND SCIENCE 64 . 10 (2024) : 4709-4719 . |
| APA | Cao, Jing , Wang, Li , Zheng, Yuying . Synthesis and characterization of antibacterial and low-temperature resistant slow rebound polyurethane foams . | POLYMER ENGINEERING AND SCIENCE , 2024 , 64 (10) , 4709-4719 . |
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The foaming of PP has encountered challenges because of its low melt strength and semi-crystalline characteristics. Introducing long chain branching (LCB) onto the PP backbone and the addition of particles as cell nucleating agent are the commonly used methods to improve the cell structure of PP foams. In this paper, clay-supported sodium benzoate (NaB-OMMT) was prepared from Na-montmorillonite (Na-MMT) via the partial ion exchange reaction with surfactant and subsequent reaction with benzoic acid. The as prepared NaB-OMMTs were then applied to prepare LCBPP/NaB-OMMT nanocomposites and their foams. The dispersion state of clay, crystallization behaviors and rheological properties of the nanocomposites, as well as the cell structure and compression properties of the foams were investigated. The results show that clay layers are mostly exfoliated in the nanocomposites with low NaB-OMMT content, while intercalated layers dominant with the content reaches 2% or higher. The melting temperature of the nanocomposites decreases and the crystallinity increases, while the spherulite size decreases compared to LCBPP. The melt viscosity and elasticity of nanocomposites increase significantly when the content of NaB-OMMT reaches 2% or higher. LCBPP/ NaB-OMMT nanocomposites foams exhibit higher cell density, smaller cell size and its standard deviation. Therein, the foam with 1% of NaB-OMMT shows the maximum cell density and the minimum cell size. It is concluded that the cell structure of the foam is highly dependent on the content, dispersion state and structure of the cell nucleating agent. When NaB is supported on well dispersed and exfoliated clay layers, the cell nucleation efficiency is significantly enhanced. The compression properties of the foams depend on their cell structures and exhibit the similar variation trend with the latter with the content of NaB-OMMT increasing.
Keyword ：
cell structure cell structure crystallization crystallization foaming foaming nucleating agent nucleating agent Polypropylene Polypropylene
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| GB/T 7714 | Cao, Jing , Zou, Jingwen , Zheng, Siying et al. Preparation of clay-supported sodium benzoate and its effect on the rheology, crystallization and foaming of long chain branched polypropylene [J]. | JOURNAL OF CELLULAR PLASTICS , 2023 , 59 (4) : 313-334 . |
| MLA | Cao, Jing et al. "Preparation of clay-supported sodium benzoate and its effect on the rheology, crystallization and foaming of long chain branched polypropylene" . | JOURNAL OF CELLULAR PLASTICS 59 . 4 (2023) : 313-334 . |
| APA | Cao, Jing , Zou, Jingwen , Zheng, Siying , Wen, Na , Xu, Weijie , Zheng, Yuying . Preparation of clay-supported sodium benzoate and its effect on the rheology, crystallization and foaming of long chain branched polypropylene . | JOURNAL OF CELLULAR PLASTICS , 2023 , 59 (4) , 313-334 . |
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本文以“双一流”建设为背景，以《高分子化学实验》课程为研究对象，并结合多年的教学实践经验，简要介绍了在教学过程中所遇到的一些问题。基于“双一流”建设对创新人才培养的理念，我们提出了相应的教学改革措施，涉及到实验课程的教学内容、教学方法以及考核方式等方面。这些措施旨在培养和提高学生的学习主动性和创新能力，从而推进《高分子化学实验》课程的建设。
Keyword ：
创新人才 创新人才 双一流建设 双一流建设 教学改革 教学改革 高分子化学实验 高分子化学实验
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| GB/T 7714 | 陈玉龙 , 曹静 , 张夏兰 . “双一流”建设背景下《高分子化学实验》课程教学改革探索 [J]. | 广东化工 , 2023 , 50 (20) : 226-227,222 . |
| MLA | 陈玉龙 et al. "“双一流”建设背景下《高分子化学实验》课程教学改革探索" . | 广东化工 50 . 20 (2023) : 226-227,222 . |
| APA | 陈玉龙 , 曹静 , 张夏兰 . “双一流”建设背景下《高分子化学实验》课程教学改革探索 . | 广东化工 , 2023 , 50 (20) , 226-227,222 . |
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为了提高高分子材料专业综合实验教学效果,提高实验设计性和综合性,开发了研究型实验"长链支化聚丙烯的制备与性能".将反应型加工引入综合实验教学,通过多学科知识的综合设置,将理论与实践有机融合,达到为学生构建综合知识框架,提高学生解决工程实际问题能力的教学目的.项目的设置知识面广,涉及高分子化学、高分子材料加工,以及高分子物理中的分子链结构、聚集态结构和性能.实验设计性、综合性强,提高了学习难度;加深了学生对高分子多层次结构、结构与性能关系的理解;科研前沿的引入激发了学生学习的主动性和创造性,提高了学生的科研素养和创新能力.
Keyword ：
分子链结构 分子链结构 综合实验 综合实验 聚集态结构 聚集态结构 高分子材料 高分子材料
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| GB/T 7714 | 曹静 , 靳艳巧 , 吕秋丰 . 反应型加工引入高分子材料综合实验的探索与实践 [J]. | 实验科学与技术 , 2022 , 20 (6) : 109-114 . |
| MLA | 曹静 et al. "反应型加工引入高分子材料综合实验的探索与实践" . | 实验科学与技术 20 . 6 (2022) : 109-114 . |
| APA | 曹静 , 靳艳巧 , 吕秋丰 . 反应型加工引入高分子材料综合实验的探索与实践 . | 实验科学与技术 , 2022 , 20 (6) , 109-114 . |
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为提高高分子材料实验内容综合性,培养学生创新能力和综合素质,设计了研究型综合实验"可控降解β-聚丙烯的结构与性能".内容包括配方设计、制备加工、结构表征和性能测试等,将多方面知识串联整合.该实验有助于学生深入理解高分子材料结构特点以及结构决定性能的原理,解决了学生对高分子材料微观结构难以理解的问题.通过学科前沿知识引人、教学内容和方法创新,提高了学习难度和教学要求,激发了学生的主动性和创造性,有助于培养学生的科研素养和综合能力.
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| GB/T 7714 | 曹静 , 于岩 , 靳艳巧 . 高分子材料结构与性能研究型综合实验设计 [J]. | 实验技术与管理 , 2021 , 38 (3) : 88-92 . |
| MLA | 曹静 et al. "高分子材料结构与性能研究型综合实验设计" . | 实验技术与管理 38 . 3 (2021) : 88-92 . |
| APA | 曹静 , 于岩 , 靳艳巧 . 高分子材料结构与性能研究型综合实验设计 . | 实验技术与管理 , 2021 , 38 (3) , 88-92 . |
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Long chain branched polypropylene/clay-supported calcium pimelate (LCBPP/CaHA-OMMT) composites and their foams were prepared using self-made CaHA-OMMTs. The CaHA-OMMT showed high beta-nucleation efficiency, especially that with larger initial interlayer distance could induce 89% of beta crystal in LCBPP with a dosage of 0.5%. Clay layers were mostly exfoliated in the composites with low CaHA-OMMT content, while intercalated structure was dominant and agglomeration occurred when the content of CaHA-OMMT was higher than 2%. The composite foams were prepared with improved compression molding. The cell structure of the composite foams is improved, that is, the density, cell size, and cell size distribution decreased, and the cell density increased compared with that of LCBPP foam. The minimum average cell size of LCBPP/CaHA-OMMT foams was 77 mu m and the maximum cell density was 2.8 x 10(6) cells/cm(3) with the CaHA-OMMT content of 2%. It is concluded that there are two requirements for high nucleation efficiency: the CaHA was supported on OMMT layers, and the OMMT platelets were dispersed well and exfoliated. The compression properties of the composite foams, including compression modulus, energy absorption density and failure strength increased first and then decreased with the increase of CaHA-OMMT content.
Keyword ：
composites composites crystallization crystallization foams foams poly(propylene) poly(propylene)
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| GB/T 7714 | Cao, Jing , Wen, Na , Zheng, Yuying et al. The structure, properties, and foaming of long chain branched polypropylene/clay-supported calcium pimelate composites [J]. | POLYMER ENGINEERING AND SCIENCE , 2021 , 62 (2) : 553-564 . |
| MLA | Cao, Jing et al. "The structure, properties, and foaming of long chain branched polypropylene/clay-supported calcium pimelate composites" . | POLYMER ENGINEERING AND SCIENCE 62 . 2 (2021) : 553-564 . |
| APA | Cao, Jing , Wen, Na , Zheng, Yuying , Chen, Que . The structure, properties, and foaming of long chain branched polypropylene/clay-supported calcium pimelate composites . | POLYMER ENGINEERING AND SCIENCE , 2021 , 62 (2) , 553-564 . |
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针对材料分析方法实验教学中面临的仪器设备限制、 实验内容及考核点受限等问题,以福州大学材料科学与工程学院为例介绍了虚拟仿真与慕课结合的教学方法,运用"线上慕课预习+虚拟仿真实验"与"线下指导+实际操作"结合,虚实结合,该法不仅彻底解决了传统实验教学中存在的问题,还为学生构建了更全面的知识体系、丰富的教学内容.该法有助于培养学生思考和解决问题的能力,可显著提高学生对实验课的满意度和学习积极性.
Keyword ：
大型精密仪器 大型精密仪器 实验慕课 实验慕课 材料分析 材料分析 虚拟仿真 虚拟仿真
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| GB/T 7714 | 曹静 , 李凌云 , 王晨 . 虚拟仿真与慕课结合助力《材料分析方法》实验教学 [J]. | 广州化工 , 2020 , 48 (4) : 113-115,157 . |
| MLA | 曹静 et al. "虚拟仿真与慕课结合助力《材料分析方法》实验教学" . | 广州化工 48 . 4 (2020) : 113-115,157 . |
| APA | 曹静 , 李凌云 , 王晨 . 虚拟仿真与慕课结合助力《材料分析方法》实验教学 . | 广州化工 , 2020 , 48 (4) , 113-115,157 . |
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