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Hydrophilic amphibious open-cell macroporous sponge by Hofmeister effect induced nanofibrils EI
期刊论文 | 2024 , 12 (27) , 16350-16360 | Journal of Materials Chemistry A
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Abstract :

Hydrophilic macroporous sponge has been widely used in solar steam generation, catalysis, biosensing and other fields due to its high water transporting and adsorption ability. However, the synthesis step of hydrophilic sponge usually needs the assistance of a freezing process and toxic chemicals such as chemical crosslinkers or foaming agents. To solve these problems, herein, a novel and facile tactic based on the salting out effect was proposed to prepare hydrophilic amphibious open-cell macroporous sponge from the poly(vinyl alcohol) (PVA) solution. Glycerol, CaCl2 and Na3Cit were successively added into PVA solution. The sol-gel transition would occur due to the salting-out effect of Na3Cit and hydrogen bond crosslinking of glycerol. Finally, the hydrophilic PVA sponge with different shapes and sizes could be easily prepared. Moreover, this hydrophilic wet sponge could be room temperature dried into dry sponge and this dry sponge could be quickly restored to wet sponge after immersing in water due to its ultra-rapid water absorption. The microstructure and mechanical properties of PVA wet and dry sponges were studied. The PVA wet sponge showed excellent mechanical properties with a tensile strength, Young's modulus, and fracture energy of 1.51 ± 0.01 MPa, 0.44 ± 0.02 MPa, and 113.2 ± 1.6 kJ m−2, respectively. The wet sponge prepared in this work has an average porosity of up to 50 μm, and the pore structure can still be maintained during the conventional room temperature drying process. Moreover, the PVA sponge showed high stability in various aqueous media including acid, alkaline, and salt solutions. This work provided a simple and large-scale method to prepare amphibious open-cell hydrophilic PVA sponge. © 2024 The Royal Society of Chemistry.

Keyword :

Alkalinity Alkalinity Biomechanics Biomechanics Chlorine compounds Chlorine compounds Crosslinking Crosslinking Elastic moduli Elastic moduli Glycerol Glycerol Hydrogen bonds Hydrogen bonds Hydrophilicity Hydrophilicity Indicators (chemical) Indicators (chemical) Polyvinyl alcohols Polyvinyl alcohols Pore structure Pore structure Room temperature Room temperature Sodium compounds Sodium compounds Sol-gel process Sol-gel process Sol-gels Sol-gels Tensile strength Tensile strength Water absorption Water absorption

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GB/T 7714 Chen, Mengdie , Wang, Yuhao , Yang, Mohan et al. Hydrophilic amphibious open-cell macroporous sponge by Hofmeister effect induced nanofibrils [J]. | Journal of Materials Chemistry A , 2024 , 12 (27) : 16350-16360 .
MLA Chen, Mengdie et al. "Hydrophilic amphibious open-cell macroporous sponge by Hofmeister effect induced nanofibrils" . | Journal of Materials Chemistry A 12 . 27 (2024) : 16350-16360 .
APA Chen, Mengdie , Wang, Yuhao , Yang, Mohan , Zhang, Lei , Wang, Kai , Ye, Dezhan et al. Hydrophilic amphibious open-cell macroporous sponge by Hofmeister effect induced nanofibrils . | Journal of Materials Chemistry A , 2024 , 12 (27) , 16350-16360 .
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Hydrophilic amphibious open-cell macroporous sponge by Hofmeister effect induced nanofibrils Scopus
期刊论文 | 2024 , 12 (27) , 16350-16360 | Journal of Materials Chemistry A
聚苯胺导电水凝胶基柔性应变传感器的制备 PKU
期刊论文 | 2024 , 52 (02) , 221-227 | 福州大学学报(自然科学版)
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以蒙脱土改性聚丙烯酰胺水凝胶为基底,通过苯胺预渗透方法制备聚苯胺浓度梯度分布的聚苯胺/改性蒙脱土/聚丙烯酰胺(PANI/DCM/PAM)导电水凝胶(PDPG),重点考察其力学性能和应变传感性能.结果表明,壳聚糖改性蒙脱土的分散液稳定性明显提高;苯胺预渗透5 s、脱水5 h所得PDPG水凝胶的拉伸强度和断裂伸长率分别达到194 kPa和685%;改变苯胺预渗透时间可以调控PDPG水凝胶的导电性能和传感性能;当应变为0~400%时,PDPG水凝胶的灵敏度最高值为7.02.基于PDPG导电水凝胶的柔性应变传感器能够实现对人体全尺度运动的监测,并具有很好的循环稳定性.

Keyword :

全尺度监测 全尺度监测 导电水凝胶 导电水凝胶 柔性应变传感器 柔性应变传感器 聚丙烯酰胺 聚丙烯酰胺 聚苯胺 聚苯胺 蒙脱土 蒙脱土

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GB/T 7714 孙晓钰 , 黎维武 , 逄述博 et al. 聚苯胺导电水凝胶基柔性应变传感器的制备 [J]. | 福州大学学报(自然科学版) , 2024 , 52 (02) : 221-227 .
MLA 孙晓钰 et al. "聚苯胺导电水凝胶基柔性应变传感器的制备" . | 福州大学学报(自然科学版) 52 . 02 (2024) : 221-227 .
APA 孙晓钰 , 黎维武 , 逄述博 , 张卫英 , 英晓光 , 李晓 . 聚苯胺导电水凝胶基柔性应变传感器的制备 . | 福州大学学报(自然科学版) , 2024 , 52 (02) , 221-227 .
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聚苯胺导电水凝胶基柔性应变传感器的制备 PKU
期刊论文 | 2024 , 52 (2) , 221-227 | 福州大学学报(自然科学版)
聚乳酸聚氨酯嵌段预聚体增韧PLA/TPU共混物 PKU
期刊论文 | 2024 , 52 (03) , 268-275 | 福州大学学报(自然科学版)
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合成聚乳酸聚氨酯嵌段共聚物预聚体(PLA-b-PUP),以其作为聚乳酸(PLA)和热塑性聚氨酯(TPU)的活性相容剂,通过原位反应增容制备PLA/TPU/PLA-b-PUP超韧共混物.通过拉伸试验、冲击试验、 SEM、 FTIR、 DSC和TGA研究共混物的力学性能、热性能和增韧机理.结果表明,PLA-b-PUP中的异氰酸酯基团与PLA和TPU上的活性基团发生反应,显著改善了PLA/TPU共混物两相界面的相容性.随着PLA-b-PUP的加入量增加,共混物中PLA的玻璃化转变温度和相对结晶度逐渐降低,当PLA-b-PUP的质量分数为PLA/TPU共混物的4%时,共混材料的断裂伸长率和缺口冲击强度分别达到无相容剂时的8.12和2.73倍,表现出良好的增容增韧效果.添加PLA-b-PUP后,共混物的初始分解温度有所降低,但最快分解温度有所提高.

Keyword :

PLA/TPU/PLA-b-PUB共混物 PLA/TPU/PLA-b-PUB共混物 原位反应 原位反应 增容机制 增容机制 增韧机理 增韧机理 热塑性聚氨酯 热塑性聚氨酯 聚乳酸 聚乳酸 聚乳酸聚氨酯嵌段预聚体 聚乳酸聚氨酯嵌段预聚体

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GB/T 7714 朱海彬 , 朱涛 , 张卫英 et al. 聚乳酸聚氨酯嵌段预聚体增韧PLA/TPU共混物 [J]. | 福州大学学报(自然科学版) , 2024 , 52 (03) : 268-275 .
MLA 朱海彬 et al. "聚乳酸聚氨酯嵌段预聚体增韧PLA/TPU共混物" . | 福州大学学报(自然科学版) 52 . 03 (2024) : 268-275 .
APA 朱海彬 , 朱涛 , 张卫英 , 英晓光 , 李晓 . 聚乳酸聚氨酯嵌段预聚体增韧PLA/TPU共混物 . | 福州大学学报(自然科学版) , 2024 , 52 (03) , 268-275 .
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聚乳酸聚氨酯嵌段预聚体增韧PLA/TPU共混物 PKU
期刊论文 | 2024 , 52 (3) , 268-275 | 福州大学学报(自然科学版)
Alkane molecularly imprinted nanofiber membranes used to enhance the diesel degradation process SCIE
期刊论文 | 2024 , 141 (24) | JOURNAL OF APPLIED POLYMER SCIENCE
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Abstract :

Combining molecular imprinting technology with electrostatic spinning technology, a molecularly imprinted nanofiber membrane material with memory and recognition of specific imprinted molecules is thus produced. It has the advantages of high efficiency, reusability, easy amplification, and simple operation. In this study, alkane molecularly imprinted nanofibrous membranes are prepared as a carrier for immobilize Bacillus cereus LY-1 for the degradation of diesel in oil-water system. The adsorption capacity of the molecularly imprinted material for diesel oil with n-decyl alcohol as the template molecule reach 120.25 mg g-1, the adsorption capacity of alkane molecularly imprint nanofiber membrane prepared using polyvinyl alcohol (PVA) as the membrane substrate material is 41.37 mg g-1. After 4 days, the immobilized LY-1 cells eliminate roughly 80.7% of the diesel at a starting concentration of 3 g L-1. The results show that imprinted structures in MINM enhance degradation by loaded microorganisms. PVA molecularly imprinted nanofiber membrane before and after bacterial loading used in diesel removal. image

Keyword :

adsorption adsorption electrospinning electrospinning membranes membranes

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GB/T 7714 Yang, Bo , Ying, Xiaoguang , Zhang, Weiying et al. Alkane molecularly imprinted nanofiber membranes used to enhance the diesel degradation process [J]. | JOURNAL OF APPLIED POLYMER SCIENCE , 2024 , 141 (24) .
MLA Yang, Bo et al. "Alkane molecularly imprinted nanofiber membranes used to enhance the diesel degradation process" . | JOURNAL OF APPLIED POLYMER SCIENCE 141 . 24 (2024) .
APA Yang, Bo , Ying, Xiaoguang , Zhang, Weiying , Li, Xiao . Alkane molecularly imprinted nanofiber membranes used to enhance the diesel degradation process . | JOURNAL OF APPLIED POLYMER SCIENCE , 2024 , 141 (24) .
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Alkane molecularly imprinted nanofiber membranes used to enhance the diesel degradation process Scopus
期刊论文 | 2024 , 141 (24) | Journal of Applied Polymer Science
Alkane molecularly imprinted nanofiber membranes used to enhance the diesel degradation process EI
期刊论文 | 2024 , 141 (24) | Journal of Applied Polymer Science
一种高比电容聚苯胺复合柔性导电水凝胶及其制备方法 incoPat
专利 | 2022-04-22 00:00:00 | CN202210424853.2
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本发明公开了一种高比电容聚苯胺复合柔性导电水凝胶及其制备方法,属于柔性储能材料领域。其是借助氧化石墨烯的分散性,使得聚苯胺分散液在聚乙烯醇溶液中分散均匀,利用三者之间的相互作用力以及聚乙烯醇与戊二醛间的交联作用形成具有一级导电网络的基底杂化水凝胶,然后在基底杂化水凝胶上吸附并诱导苯胺自组装,再在一级导电网络的诱导作用下,通过加入过硫酸铵引发苯胺原位聚合形成聚苯胺二级导电网络,从而得到具有两级导电网络的复合柔性导电水凝胶。本发明所得水凝胶具有多级微孔结构,其比电容高达989 F·g‑1,具有优越的导电性能、电化学性能以及优秀的拉伸性能,可广泛应用于柔性超级电容器等可穿戴电子设备的制作。

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GB/T 7714 李晓 , 赵海兰 , 张卫英 et al. 一种高比电容聚苯胺复合柔性导电水凝胶及其制备方法 : CN202210424853.2[P]. | 2022-04-22 00:00:00 .
MLA 李晓 et al. "一种高比电容聚苯胺复合柔性导电水凝胶及其制备方法" : CN202210424853.2. | 2022-04-22 00:00:00 .
APA 李晓 , 赵海兰 , 张卫英 , 陈兰兰 , 逄述博 . 一种高比电容聚苯胺复合柔性导电水凝胶及其制备方法 : CN202210424853.2. | 2022-04-22 00:00:00 .
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用于柔性应变传感器的梯度大孔导电复合水凝胶的制备方法 incoPat
专利 | 2022-04-22 00:00:00 | CN202210424798.7
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本发明公开了一种应用于柔性应变传感器的梯度大孔导电复合水凝胶的制备方法,属于柔性电子材料领域。其是以石墨烯和聚苯胺共同作为导电物质,聚丙烯酰胺为柔性基底,通过含有发泡剂的氧化石墨烯/聚丙烯酰胺基复合水凝胶的制备、具有梯度大孔结构的石墨烯/聚丙烯酰胺基导电复合水凝胶的制备及苯胺原位聚合,得到所述梯度大孔导电复合水凝胶。本发明制备的梯度大孔导电复合水凝胶具有优异的力学性能和传感性能,灵敏度高,应变检测范围宽,且循环稳定性好,可广泛应用于柔性传感器等可穿戴电子设备,在人体运动监测等领域有着广阔的应用前景。

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GB/T 7714 李晓 , 逄述博 , 张卫英 et al. 用于柔性应变传感器的梯度大孔导电复合水凝胶的制备方法 : CN202210424798.7[P]. | 2022-04-22 00:00:00 .
MLA 李晓 et al. "用于柔性应变传感器的梯度大孔导电复合水凝胶的制备方法" : CN202210424798.7. | 2022-04-22 00:00:00 .
APA 李晓 , 逄述博 , 张卫英 , 陈兰兰 , 赵海兰 , 朱鹏城 . 用于柔性应变传感器的梯度大孔导电复合水凝胶的制备方法 : CN202210424798.7. | 2022-04-22 00:00:00 .
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氮掺杂磺化多孔碳/聚苯胺复合电极材料及其制备方法 incoPat
专利 | 2022-04-22 00:00:00 | CN202210424797.2
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本发明公开了一种氮掺杂磺化多孔碳/聚苯胺复合电极材料及其制备方法,属于电子材料领域。其首先对聚苯乙烯颗粒进行相分离致孔得到多孔聚苯乙烯颗粒,接着将多孔聚苯乙烯颗粒和苯胺进行共超交联制得含氮超交联聚合物,随后将其与氢氧化钾混合后进行高温热解得到氮掺杂多孔碳,再用浓硫酸磺化得到氮掺杂磺化多孔碳,最后通过吸附苯胺并原位聚合负载聚苯胺,得到所述氮掺杂磺化多孔碳/聚苯胺复合电极材料。本发明将多孔聚苯乙烯与苯胺共超交联并热解后形成了具有多级孔结构的大比表面积氮掺杂多孔碳,而引入磺酸基增强了碳材料对聚苯胺的负载能力,从而显著提高了氮掺杂磺化多孔碳/聚苯胺复合材料的电化学性能。

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GB/T 7714 张卫英 , 陈兰兰 , 李晓 et al. 氮掺杂磺化多孔碳/聚苯胺复合电极材料及其制备方法 : CN202210424797.2[P]. | 2022-04-22 00:00:00 .
MLA 张卫英 et al. "氮掺杂磺化多孔碳/聚苯胺复合电极材料及其制备方法" : CN202210424797.2. | 2022-04-22 00:00:00 .
APA 张卫英 , 陈兰兰 , 李晓 , 赵海兰 , 逄述博 . 氮掺杂磺化多孔碳/聚苯胺复合电极材料及其制备方法 : CN202210424797.2. | 2022-04-22 00:00:00 .
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一种磺酸型水性聚氨酯胶黏剂的制备方法 incoPat
专利 | 2022-04-22 00:00:00 | CN202210424834.X
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本发明公开了一种新型磺酸型水性聚氨酯胶黏剂的制备方法,属于胶黏剂技术领域。其是先将木质素磺酸钠、二乙烯三胺和甲醛通过曼尼希反应得到木质素磺酸钠胺,再将聚酯多元醇或聚醚多元醇与二异氰酸酯、小分子多元醇扩链剂反应得到聚氨酯预聚物,然后投入磺酸型亲水扩链剂、单胺扩链剂和木质素磺酸钠胺进行扩链反应,反应完成后再高速剪切分散,脱除丙酮得到水性聚氨酯乳液,最后加入消泡剂、增稠剂和固化剂,制得所述磺酸型水性聚氨酯胶黏剂。本发明将木质素磺酸钠引入到水性聚氨酯的制备中,不但制得了储存稳定的高固含量水性聚氨酯,而且提高了水性聚氨酯胶黏剂的剥离强度和耐水解性能,同时实现了木质素磺酸钠的高值化利用。

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GB/T 7714 李晓 , 陈赛平 , 张卫英 et al. 一种磺酸型水性聚氨酯胶黏剂的制备方法 : CN202210424834.X[P]. | 2022-04-22 00:00:00 .
MLA 李晓 et al. "一种磺酸型水性聚氨酯胶黏剂的制备方法" : CN202210424834.X. | 2022-04-22 00:00:00 .
APA 李晓 , 陈赛平 , 张卫英 , 叶一鸣 . 一种磺酸型水性聚氨酯胶黏剂的制备方法 : CN202210424834.X. | 2022-04-22 00:00:00 .
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一种耐溶剂的粘附性可调控光响应表面及其制备方法 incoPat
专利 | 2022-04-22 00:00:00 | CN202210424852.8
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本发明公开了一种耐溶剂的粘附性可调控光响应表面及其制备方法,属于光功能材料技术领域。其是先在经表面羟基化处理的石英玻璃上沉积聚多巴胺得到Q‑PDA表面;再在所得Q‑PDA表面利用柠檬酸形成网状结构,并在其上接枝环糊精,得到Q‑PDA‑CD表面;最后在所得Q‑PDA‑CD表面包合光/热响应分子,得到耐溶剂的粘附性可调控光响应表面Q‑PDA‑CD/AzoC4‑SH。本发明制备方法简单,所得光响应表面微观结构排列规则,光响应速率快,粘附力调控范围大,并具有稳定的紫外光控制粘附‑解粘切换功能,可重复使用,且具有一定的耐溶剂性,适用于微米级芯片转移等许多精细加工领域。

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GB/T 7714 张卫英 , 毛作东 , 李晓 et al. 一种耐溶剂的粘附性可调控光响应表面及其制备方法 : CN202210424852.8[P]. | 2022-04-22 00:00:00 .
MLA 张卫英 et al. "一种耐溶剂的粘附性可调控光响应表面及其制备方法" : CN202210424852.8. | 2022-04-22 00:00:00 .
APA 张卫英 , 毛作东 , 李晓 , 林畅 , 朱鹏城 . 一种耐溶剂的粘附性可调控光响应表面及其制备方法 : CN202210424852.8. | 2022-04-22 00:00:00 .
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生物相容性微生物燃料电池复合阳极材料及其制备方法 incoPat
专利 | 2022-04-22 00:00:00 | CN202210424795.3
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Abstract :

本发明公开了一种生物相容性微生物燃料电池复合阳极材料及其制备方法,属于能源材料领域。其具体是以苯胺为单体、过硫酸铵为氧化剂、聚乙烯醇的盐酸水溶液为水相溶剂,甲苯为有机相溶剂,经界面聚合制得导电聚苯胺,再通过还原反应将导电聚苯胺与还原氧化石墨烯复合形成网络结构,然后将其加入到海藻酸钠/琼脂的混合溶液中,再将泡沫镍浸入其中均匀覆膜,最后经交联得到所述生物相容性微生物燃料电池复合阳极材料。本发明利用海藻酸钠的生物相容性与聚苯胺、还原氧化石墨烯的导电性,制备的复合阳极材料具有生物相容性好、电化学性能优异以及生产成本低的特点,可广泛应用于制备微生物燃料电池阳极。

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GB/T 7714 李晓 , 朱鹏城 , 张卫英 et al. 生物相容性微生物燃料电池复合阳极材料及其制备方法 : CN202210424795.3[P]. | 2022-04-22 00:00:00 .
MLA 李晓 et al. "生物相容性微生物燃料电池复合阳极材料及其制备方法" : CN202210424795.3. | 2022-04-22 00:00:00 .
APA 李晓 , 朱鹏城 , 张卫英 , 逄述博 , 陈兰兰 . 生物相容性微生物燃料电池复合阳极材料及其制备方法 : CN202210424795.3. | 2022-04-22 00:00:00 .
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