Korea-Australia Rheology Journal最新文献

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Effect of stirring time on viscoelastic properties of liquid gallium-oxide amalgams 搅拌时间对液态氧化镓汞合金粘弹性的影响
IF 1.3 4区 工程技术
Korea-Australia Rheology Journal Pub Date : 2024-09-13 DOI: 10.1007/s13367-024-00105-1
Hyeong Yong Song, Si Yoon Kim, Min Seo Park, Jun Dong Park, Kyu Hyun
{"title":"Effect of stirring time on viscoelastic properties of liquid gallium-oxide amalgams","authors":"Hyeong Yong Song, Si Yoon Kim, Min Seo Park, Jun Dong Park, Kyu Hyun","doi":"10.1007/s13367-024-00105-1","DOIUrl":"https://doi.org/10.1007/s13367-024-00105-1","url":null,"abstract":"<p>This study investigated the effect of mechanical stirring time on liquid gallium (Ga)-oxide amalgams using linear and nonlinear viscoelastic properties in dynamic oscillatory shear. The liquid Ga-oxide amalgams with different stirring times were prepared by exposing liquid Ga to the atmosphere under continuous stirring. Linear viscoelasticity of all amalgams exhibited an elastic-dominant behavior. When plotted versus stirring time, elastic modulus increased gradually, which was described successfully by a power-law-type equation for a percolation behavior. The nonlinear viscoelasticity of the amalgams was analyzed using the conventional strain-sweep data and the sequence of physical processes (SPP) method. The critical strain amplitudes determined from the strain-sweep data showed that the yielding of the amalgams occurred earlier and more gradually with increasing stirring time. The SPP analysis using transient Cole–Cole plots revealed that all amalgams experienced intracycle nonlinear behavior consisting of three physical processes (recovery, elastic softening, and yielding) within an oscillation cycle. Intriguingly, the structure recovery rate evaluated by the maximum intracycle elasticity exhibited a nonmonotonic behavior, where the maximum recovery rate was achieved at the stirring time of 5 min. Finally, taking both linear and nonlinear properties, we suggested a material–property co-plot for the printability evaluation of liquid Ga-oxide amalgams.</p><h3 data-test=\"abstract-sub-heading\">Graphical Abstract</h3>\u0000","PeriodicalId":683,"journal":{"name":"Korea-Australia Rheology Journal","volume":"4 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of the impurity dissolution kinetics, rheological characterization, and hydrodynamic aspects during the bioleaching of iron ore pulp in a bioreactor 在生物反应器中对铁矿石矿浆进行生物浸出过程中的杂质溶解动力学、流变特性和流体力学方面的研究
IF 1.3 4区 工程技术
Korea-Australia Rheology Journal Pub Date : 2024-09-09 DOI: 10.1007/s13367-024-00104-2
Luis Antonio Ramirez-Torres, Diola Marina Nuñez-Ramirez, Luis Medina-Torres, Octavio Manero
{"title":"Study of the impurity dissolution kinetics, rheological characterization, and hydrodynamic aspects during the bioleaching of iron ore pulp in a bioreactor","authors":"Luis Antonio Ramirez-Torres, Diola Marina Nuñez-Ramirez, Luis Medina-Torres, Octavio Manero","doi":"10.1007/s13367-024-00104-2","DOIUrl":"https://doi.org/10.1007/s13367-024-00104-2","url":null,"abstract":"<p>This research aims to study the rheological behavior and impurities dissolution kinetics in a bioleaching process of two particle sizes and three different pulp densities, which are analyzed and compared. It was found that the small particle size with 40% (w/w) pulp density provides the maximum dissolution of impurities in the shortest bioleaching time (in 2 days). Furthermore, through a CFD simulation in a system with 40% (w/w) pulp density and 44 μm particle size, a stirring speed of 700 rpm provides the best mixing conditions in the bioreactor, enabling good distribution of recirculation zones and adequate streamline patterns with a viscosity map that minimizes regions of high and low viscosity.</p><h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>","PeriodicalId":683,"journal":{"name":"Korea-Australia Rheology Journal","volume":"15 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142223535","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Construction of self-stacking nanostructure with MXene and CNT through dopamine polymerization 通过多巴胺聚合构建具有 MXene 和 CNT 的自堆积纳米结构
IF 1.3 4区 工程技术
Korea-Australia Rheology Journal Pub Date : 2024-08-12 DOI: 10.1007/s13367-024-00102-4
Suyeon Lee, Dayoung Kim, Dong Gi Seong
{"title":"Construction of self-stacking nanostructure with MXene and CNT through dopamine polymerization","authors":"Suyeon Lee, Dayoung Kim, Dong Gi Seong","doi":"10.1007/s13367-024-00102-4","DOIUrl":"https://doi.org/10.1007/s13367-024-00102-4","url":null,"abstract":"<p>Aerogel has gained much attention as a promising nanostructure which contributes to the high dispersity of nanofillers and structural stability. However, the difficulty of fabricating robust aerogels using various nanofillers and producing aerogels for the scale-up process is still challenging for expanding applications of aerogels. We fabricate the ternary aerogel particle consisting of MXene, carbon nanotube (CNT), and polydopamine (PDA), and it has structural stability owing to the outstanding adhesion property of PDA. The fabricated aerogel particles are also highly favorable for industrial application because if its ease of handling and scaling up compared to the bulk aerogels. In this study, various parameters, such as polymerization time of PDA and fabrication method, are utilized to find the optimal conditions for fabricating robust and stable aerogel nanostructures. Ternary aerogel exhibits a unique nanostructure with self-staked MXene and bridged CNT between MXene layers, which is expected to form a more effective conducting pathway. Moreover, rheological analysis revealed that the storage modulus recovered even after severe deformation, indicating that the fabricated aerogel possesses structural stability. It is anticipated that these ternary aerogel particles have the potential to be applied in the effective platform for nanocomposites in various industrial fields.</p><h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>\u0000","PeriodicalId":683,"journal":{"name":"Korea-Australia Rheology Journal","volume":"16 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The rheological behaviors, aging properties, and thermal stability of chain extended poly(butylene adipate-co-terephthalate) 链延聚(己二酸丁二醇酯-共对苯二甲酸丁二酯)的流变行为、老化特性和热稳定性
IF 1.3 4区 工程技术
Korea-Australia Rheology Journal Pub Date : 2024-08-02 DOI: 10.1007/s13367-024-00101-5
Yanping Hao, Leilei Chen, Fan Wang, Qingkui Chen, Shuangli Li, Weiwei Zhang, Shengnan Zhang, Hongchi Tian, Huili Yang
{"title":"The rheological behaviors, aging properties, and thermal stability of chain extended poly(butylene adipate-co-terephthalate)","authors":"Yanping Hao, Leilei Chen, Fan Wang, Qingkui Chen, Shuangli Li, Weiwei Zhang, Shengnan Zhang, Hongchi Tian, Huili Yang","doi":"10.1007/s13367-024-00101-5","DOIUrl":"https://doi.org/10.1007/s13367-024-00101-5","url":null,"abstract":"<p>In this work, a one-step reactive extrusion method was adopted to improve comprehensive properties of poly(butylene adipate-co-terephthalate) (PBAT) by melt blending with two chain extenders, including polycarbodiimide (PCDI) and multi-functional epoxy polymer (ADR). Their influences on rheological behaviors, aging properties, and thermal stability of PBAT were explored, and the detailed mechanisms were also discussed. It was found that the terminal carboxyl content of PBAT decreased with addition of PCDI and ADR. When 1.0 wt% PCDI was added, the terminal carboxyl content deceased by 70.3%. This indicated that the reaction between the two chain extenders and the terminal hydroxyl and carboxyl groups of PBAT enhanced to perform the chain extension, which increased the molecular weight, storage modulus, loss modulus, and complex viscosity of PBAT, and different relaxation processes were observed for different samples by Han and Cole–Cole plots. Damp-heat aging resistance measurements showed correlation with terminal carboxyl content in PBAT. And reducing the terminal carboxyl content in PBAT was shown to increase hydrolytic stability. For PBAT with 1.0 wt% PCDI blend, the tensile strength and elongation at break retention were above 70%. In addition, the thermal stability of PBAT was also improved due to the chain extension in the blends, which retarded degradation. The analysis results indicated that the comprehensive performance of modified PBAT was the best when 1.0 wt% PCDI was added.</p><h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>\u0000","PeriodicalId":683,"journal":{"name":"Korea-Australia Rheology Journal","volume":"86 1","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141880508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The computational method with the deformed mesh interfaces for an incompressible layer indentation by rigid indenters with arbitrary axisymmetric smooth profiles 用变形网格界面计算任意轴对称光滑轮廓刚性压头造成的不可压缩层压痕的方法
IF 2.2 4区 工程技术
Korea-Australia Rheology Journal Pub Date : 2024-07-17 DOI: 10.1007/s13367-024-00100-6
Young Ju Ahn
{"title":"The computational method with the deformed mesh interfaces for an incompressible layer indentation by rigid indenters with arbitrary axisymmetric smooth profiles","authors":"Young Ju Ahn","doi":"10.1007/s13367-024-00100-6","DOIUrl":"10.1007/s13367-024-00100-6","url":null,"abstract":"<div><p>The research introduces a numerical method for solving the problem of an axisymmetric rigid smooth body indenting an incompressible elastic layer. This study proposes a computational approach with the deformed mesh interface in the COMSOL Multiphysics software, which allows the discretized interior nodes to move by solving PDEs for the mesh displacements with the given <i>slope</i> boundary condition. The proposed method is applied to the indentation problems with spherical and conical smooth axisymmetric indenters. The results are in a good agreement with the analytical solutions, and the method shows rapid convergence.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":683,"journal":{"name":"Korea-Australia Rheology Journal","volume":"36 3","pages":"169 - 177"},"PeriodicalIF":2.2,"publicationDate":"2024-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141721975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spreading behaviors of shear-thinning droplets impacting on solid surfaces with various wettability 剪切稀化液滴撞击不同润湿性固体表面时的扩散行为
IF 2.2 4区 工程技术
Korea-Australia Rheology Journal Pub Date : 2024-07-16 DOI: 10.1007/s13367-024-00098-x
Ding Yang, Jiaqi Chen, Ao Shen, Junfeng Wang, Hailong Liu
{"title":"Spreading behaviors of shear-thinning droplets impacting on solid surfaces with various wettability","authors":"Ding Yang,&nbsp;Jiaqi Chen,&nbsp;Ao Shen,&nbsp;Junfeng Wang,&nbsp;Hailong Liu","doi":"10.1007/s13367-024-00098-x","DOIUrl":"10.1007/s13367-024-00098-x","url":null,"abstract":"<div><p>The spreading behavior of droplets impacting solid surfaces is of significant importance in numerous industrial and medical applications. This study specifically focuses on the droplet impact behaviors of shear-thinning fluids. Extensive impact experiments were conducted using high-speed visualization techniques. Image sequences in the DI water and xanthan gum solution droplets impact process are captured at a <i>We</i> range of around 3.2–388 and <i>Re</i><sub><i>n</i></sub> of 18–8145. The morphologies of spreading droplets on hydrophilic, moderate, and hydrophobic surfaces was observed with temporal evolution. The experimental results showed that the spreading behavior of shear-thinning droplets varies with the impact velocity, surface wettability, and fluid concentration. The droplets spread more widely and rapidly at larger <i>We</i> with the time evolution of the spreading factor. In addition, the spreading of the droplets becomes suppressed on a hydrophobic surface or with a higher xanthan concentration. With the increase of <i>We</i>, the effect of fluid viscosity gradually surpasses the surface wettability. The fluid viscosity with the shear-thinning properties has more influence on the spreading behavior at high <i>We</i>. Furthermore, the experimental data of the maximum spreading factor could be scaled with the <i>We</i> and <i>Re</i><sub><i>n</i></sub> at low and high <i>We</i>, respectively. Finally, the maximum spreading of shear-thinning droplets was correlated with a universal rescaling model. The correlation shows good accordance with the experimental results of droplet impact from this study and the literature in a wide range of impact conditions and shear-thinning properties.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":683,"journal":{"name":"Korea-Australia Rheology Journal","volume":"36 3","pages":"155 - 167"},"PeriodicalIF":2.2,"publicationDate":"2024-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141644260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study the influence of residual water during the preparation processes on the shear thickening behavior of silica/PEG200 suspensions 研究制备过程中的残留水对二氧化硅/PEG200 悬浮液剪切增稠行为的影响
IF 2.2 4区 工程技术
Korea-Australia Rheology Journal Pub Date : 2024-07-09 DOI: 10.1007/s13367-024-00099-w
Xing Ouyang, Lei Gong, Xiang Huang, Dazhu Chen
{"title":"Study the influence of residual water during the preparation processes on the shear thickening behavior of silica/PEG200 suspensions","authors":"Xing Ouyang,&nbsp;Lei Gong,&nbsp;Xiang Huang,&nbsp;Dazhu Chen","doi":"10.1007/s13367-024-00099-w","DOIUrl":"10.1007/s13367-024-00099-w","url":null,"abstract":"<div><p>Silica/PEG200 shear thickening fluids (STFs) are widely used smart fluids. There is often residual water during the STF preparation process because of the strong water adsorbability due to the abundant hydroxyl group on the silica surface. Residual water usually influences the shear-thickening behavior of STFs. How much influence the residual water has during the preparation processes on the properties of STFs is still a problem. In this paper, six preparation processes were designed, and the influence of residual water content on the shear thickening behavior due to different preparation processes is analyzed. Firstly, three drying processes were used to prepare STFs, i.e., three kinds of silica powder, which were obtained from spray, freeze, or oven drying of the silica dispersion, were dispersed in PEG200 to obtain STFs. Secondly, three wet processes were used to prepare STFs, i.e., three kinds of silica slurry, which were obtained by centrifuging and washing through water, ethanol, or tetrahydrofuran of the silica dispersion, were directly dispersed into PEG200 and dried to obtain STFs. All the silica dispersion used in these six preparation processes was prepared using the Stöber method. The properties, microstructure, and residual water content of the STFs prepared by the six preparation processes were explored. The results showed that the preparation processes have a big influence on the properties of related STFs. The silica’s residual water content derived from different preparation processes is the critical factor that affects STFs’ shear thickening performance. The drying process using silica powder from spray drying of the silica dispersion resulted in the lowest water content and led to the best shear-thickening performance of the corresponding STFs. Meanwhile, the wet process using a slurry obtained by centrifuging and washing through tetrahydrofuran of the silica dispersion could also prepare STFs with good shear thickening behavior.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":683,"journal":{"name":"Korea-Australia Rheology Journal","volume":"36 3","pages":"193 - 207"},"PeriodicalIF":2.2,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141571144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rheological and light scattering analyses for characterizing phase separation of polymer solutions in lithium-ion battery separator coating system 流变学和光散射分析表征锂离子电池隔膜涂层系统中聚合物溶液的相分离特性
IF 2.2 4区 工程技术
Korea-Australia Rheology Journal Pub Date : 2024-07-02 DOI: 10.1007/s13367-024-00097-y
Ju Yeon Lee, Seong Hwan Kim, Seong-Eun Park, Joo Sung Lee, Hyun Wook Jung
{"title":"Rheological and light scattering analyses for characterizing phase separation of polymer solutions in lithium-ion battery separator coating system","authors":"Ju Yeon Lee,&nbsp;Seong Hwan Kim,&nbsp;Seong-Eun Park,&nbsp;Joo Sung Lee,&nbsp;Hyun Wook Jung","doi":"10.1007/s13367-024-00097-y","DOIUrl":"10.1007/s13367-024-00097-y","url":null,"abstract":"<div><p>Nonsolvent-induced phase separation is a widely used technique in the manufacture of polymeric separators. This method involves fine-tuning porous structures through the phase separation of polymer solutions in Li-ion secondary battery systems. The phase separation properties and kinetics of heat-resistant poly(vinylidene fluoride-co-hexafluoropropylene) polymer solutions were characterized by adjusting the weight ratio of <i>N</i>-methyl-2-pyrrolidone (NMP) as a solvent and water as a nonsolvent using both macro- and micro-rheological techniques. The viscoelastic moduli, measured with a rotational rheometer as a macro-rheological technique, and autocorrelation functions describing the fast movements of tracer ceria particles within polymer solutions—quickly detected using the micro-rheological light scattering technique of multi-speckle diffusing wave spectroscopy—offered a comprehensive assessment of the phase separation status and its kinetics during changes in the NMP/water ratio. These results are expected to play a fundamental role in understanding and controlling the pore structures of actual separator membranes applied in Li-ion battery systems.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":683,"journal":{"name":"Korea-Australia Rheology Journal","volume":"36 3","pages":"179 - 192"},"PeriodicalIF":2.2,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141502866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of factors affecting the thermal stability of silica-based shear thickening fluids 硅基剪切增稠流体热稳定性影响因素研究
IF 2.2 4区 工程技术
Korea-Australia Rheology Journal Pub Date : 2024-06-25 DOI: 10.1007/s13367-024-00096-z
Wenjian Wang, Shuai He, Ziwen Dong, Wei Huang, Xuke Li, Xun Chen, Peng Chen
{"title":"Investigation of factors affecting the thermal stability of silica-based shear thickening fluids","authors":"Wenjian Wang,&nbsp;Shuai He,&nbsp;Ziwen Dong,&nbsp;Wei Huang,&nbsp;Xuke Li,&nbsp;Xun Chen,&nbsp;Peng Chen","doi":"10.1007/s13367-024-00096-z","DOIUrl":"10.1007/s13367-024-00096-z","url":null,"abstract":"<div><p>Recent experimental observation in thermal-induced gelation of silica-based shear thickening fluids (STFs) has necessitated the efforts to address the thermal instability of the STFs. The shear thickening behavior of hydrophilic fumed silica/PEG disappeared after thermal treatment. Hydrophobic surface is demonstrated to enhance thermal stability of the fumed silica/PEG system under the same thermal treatment. Dynamic temperature sweep experiments reveal a temperature-induced sol–gel transition of the hydrophilic silica/PEG. Meanwhile, hydrophobic silica/PEG does not undergo such gelation and still displays viscosity thickening after thermal treatment. This gelation process is found to be concentration-dependent and irreversible, with enhanced gelation at higher specific surface areas of hydrophilic silica particles. The small-angle X-ray scattering (SAXS) studies suggest that this sol–gel transition is likely attributed to the reduction of solvation layer which could be highly influenced by particle surface hydrophilicity. Comprehensive experiments, including Soxhlet extraction and rheology, confirm that the resulting stable three-dimensional structure is not formed by chemical crosslinks but behaves as a physical network. It is demonstrated how tailoring particle–medium interactions through controlling particle surface characteristics can be used to improve thermal stability of silica-based STFs.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":683,"journal":{"name":"Korea-Australia Rheology Journal","volume":"36 3","pages":"209 - 221"},"PeriodicalIF":2.2,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141502867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced thermal, mechanical, and optical properties of cellulose nanocrystal embedded cyclic olefin copolymer composite film 增强纤维素纳米晶嵌入环烯烃共聚物复合薄膜的热性能、机械性能和光学性能
IF 2.2 4区 工程技术
Korea-Australia Rheology Journal Pub Date : 2024-06-17 DOI: 10.1007/s13367-024-00095-0
Ha Jeong Kang, Naeun Yang, Young Seok Song
{"title":"Enhanced thermal, mechanical, and optical properties of cellulose nanocrystal embedded cyclic olefin copolymer composite film","authors":"Ha Jeong Kang,&nbsp;Naeun Yang,&nbsp;Young Seok Song","doi":"10.1007/s13367-024-00095-0","DOIUrl":"10.1007/s13367-024-00095-0","url":null,"abstract":"<div><p>In the current study, cellulose nanocrystal (CNC) reinforced cyclic olefin copolymer (COC) composite film was fabricated via spin-coating. For the application to the transparent and flexible substrate, the physical characteristics of the composite film were investigated, such as transparency, coefficient of thermal expansion (CTE), thermal properties and scratch resistance. COC was used as a matrix due to its high optical transparency, and CNC was utilized as a filler to lower CTE and enhance the thermal and mechanical properties. As the CNC loading increased, the tensile strength and elastic modulus increased significantly. In addition, the CNC/COC film exhibited a high transparency of 85%.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":683,"journal":{"name":"Korea-Australia Rheology Journal","volume":"36 3","pages":"223 - 230"},"PeriodicalIF":2.2,"publicationDate":"2024-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141502868","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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