1
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Hauer L, Naga A, Badr RGM, Pham JT, Wong WSY, Vollmer D. Wetting on silicone surfaces. SOFT MATTER 2024; 20:5273-5295. [PMID: 38952198 DOI: 10.1039/d4sm00346b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
Silicone is frequently used as a model system to investigate and tune wetting on soft materials. Silicone is biocompatible and shows excellent thermal, chemical, and UV stability. Moreover, the mechanical properties of the surface can be easily varied by several orders of magnitude in a controlled manner. Polydimethylsiloxane (PDMS) is a popular choice for coating applications such as lubrication, self-cleaning, and drag reduction, facilitated by low surface energy. Aiming to understand the underlying interactions and forces, motivated numerous and detailed investigations of the static and dynamic wetting behavior of drops on PDMS-based surfaces. Here, we recognize the three most prevalent PDMS surface variants, namely liquid-infused (SLIPS/LIS), elastomeric, and liquid-like (SOCAL) surfaces. To understand, optimize, and tune the wetting properties of these PDMS surfaces, we review and compare their similarities and differences by discussing (i) the chemical and molecular structure, and (ii) the static and dynamic wetting behavior. We also provide (iii) an overview of methods and techniques to characterize PDMS-based surfaces and their wetting behavior. The static and dynamic wetting ridge is given particular attention, as it dominates energy dissipation, adhesion, and friction of sliding drops and influences the durability of the surfaces. We also discuss special features such as cloaking and wetting-induced phase separation. Key challenges and opportunities of these three surface variants are outlined.
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Affiliation(s)
- Lukas Hauer
- Institute for Biology, Humboldt-Universität zu Berlin, 10115 Berlin, Germany
- Physics at Interfaces, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.
| | - Abhinav Naga
- Department of Physics, Durham University, DH1 3LE, UK
- Institute for Multiscale Thermofluids, School of Engineering, The University of Edinburgh, Edinburgh EH9 3FD, UK
| | - Rodrique G M Badr
- Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7-9, 55099 Mainz, Germany
| | - Jonathan T Pham
- Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, 45221 OH, USA
| | - William S Y Wong
- Department of Applied Physics, School of Science, Aalto University, 02150 Espoo, Finland
| | - Doris Vollmer
- Physics at Interfaces, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.
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2
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Shi W, Zhou T, He B, Huang J, Liu M. Dynamic-Bond-Mediated Chain Reptation Enhances Energy Dissipation of Elastomers. Angew Chem Int Ed Engl 2024; 63:e202401845. [PMID: 38470270 DOI: 10.1002/anie.202401845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 02/27/2024] [Accepted: 03/12/2024] [Indexed: 03/13/2024]
Abstract
Vibrations with various frequencies in daily life and industry can cause health hazards and fatigue failure of critical structures, which requires the development of elastomers with high energy dissipation at desired frequencies. Current strategies relying on tuning characteristic relaxation time of polymer chains are mostly qualitative empirical methods, and it is difficult to precisely control damping performances. Here, we report a general strategy for constructing dynamic crosslinked polymer fluid gels that provide controllable ultrahigh energy dissipation. This is realized by dynamic-bond-mediated chain reptation of polymer fluids in a crosslinked network, where the characteristic time of chain reptation is dominated by the presence of well-defined dissociation time of dynamic bonds and almost independent of their molar mass. Using prototypical supramolecular polydimethylsiloxane elastomers, we demonstrate that dynamic crosslinked polymer fluid gels exhibit a controllable ultrahigh damping performance at desired frequencies (10-2~102 Hz), exceeding that of typical state-of-the-art silicone damping materials. Their shock absorption is over 300 % higher than that of commercial silicone rubber under the same impact force.
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Affiliation(s)
- Wei Shi
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Tianxu Zhou
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Binbin He
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Jin Huang
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Mingjie Liu
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
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3
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Vulcanization kinetics of natural rubber and strain softening behaviors of gum vulcanizates tailored by deep eutectic solvents. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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4
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Zhao W, Zhou J, Hu H, Xu C, Xu Q. The role of crosslinking density in surface stress and surface energy of soft solids. SOFT MATTER 2022; 18:507-513. [PMID: 34919111 DOI: 10.1039/d1sm01600h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Surface stress and surface energy are two fundamental parameters that determine the surface properties of any material. While it is commonly believed that the surface stress and surface energy of liquids are identical, the relationship between the two parameters in soft polymeric gels remains debatable. In this work, we measured the surface stress and surface energy of soft silicone gels with varying weight ratios of crosslinkers in soft wetting experiments. Above a critical density, k0, the surface stress was found to increase significantly with crosslinking density while the surface energy remained unchanged. In this regime, we can estimate a non-zero surface elastic modulus that also increases with the ratio of crosslinkers. By comparing the surface mechanics of the soft gels with their bulk rheology, the surface properties near the critical density k0 were found to be closely related to the underlying percolation transition of the polymer networks.
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Affiliation(s)
- Weiwei Zhao
- Department of Physics, The Hong Kong University of Science and Technology, Hong Kong, China.
| | - Jianhui Zhou
- Department of Physics, The Hong Kong University of Science and Technology, Hong Kong, China.
| | - Haitao Hu
- Department of Physics, The Hong Kong University of Science and Technology, Hong Kong, China.
| | - Chang Xu
- School of Physical Science, University of Science and Technology of China, Hefei, China
| | - Qin Xu
- Department of Physics, The Hong Kong University of Science and Technology, Hong Kong, China.
- HKUST Shenzhen Research Institute, Shenzhen, China
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5
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Hou FY, Song YH, Zheng Q. Influence of Liquid Isoprene Rubber on Strain Softening of Carbon Black Filled Isoprene Rubber Nanocomposites. CHINESE JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1007/s10118-021-2550-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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6
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Huang J, Xu Y, Qi S, Zhou J, Shi W, Zhao T, Liu M. Ultrahigh energy-dissipation elastomers by precisely tailoring the relaxation of confined polymer fluids. Nat Commun 2021; 12:3610. [PMID: 34127666 PMCID: PMC8203694 DOI: 10.1038/s41467-021-23984-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 05/25/2021] [Indexed: 11/16/2022] Open
Abstract
Energy-dissipation elastomers relying on their viscoelastic behavior of chain segments in the glass transition region can effectively suppress vibrations and noises in various fields, yet the operating frequency of those elastomers is difficult to control precisely and its range is narrow. Here, we report a synergistic strategy for constructing polymer-fluid-gels that provide controllable ultrahigh energy dissipation over a broad frequency range, which is difficult by traditional means. This is realized by precisely tailoring the relaxation of confined polymer fluids in the elastic networks. The symbiosis of this combination involves: elastic networks forming an elastic matrix that displays reversible deformation and polymer fluids reptating back and forth to dissipate mechanical energy. Using prototypical poly (n-butyl acrylate) elastomers, we demonstrate that the polymer-fluid-gels exhibit a controllable ultrahigh energy-dissipation property (loss factor larger than 0.5) with a broad frequency range (10−2 ~ 108 Hz). Energy absorption of the polymer-fluid-gels is over 200 times higher than that of commercial damping materials under the same dynamic stress. Moreover, their modulus is quasi-stable in the operating frequency range. In most cases the frequency range of a damping material is adapted to a specific application. Huang et al. design a gel filled with a polymeric fluid that bypasses this problem and offers an unusually broad window over which vibrational energy is effectively dissipated.
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Affiliation(s)
- Jin Huang
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, P. R. China
| | - Yichao Xu
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, P. R. China.,Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, P. R. China
| | - Shuanhu Qi
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, P. R. China.,International Research Institute for Multidisciplinary Science, Beihang University, Beijing, P. R. China
| | - Jiajia Zhou
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, P. R. China. .,International Research Institute for Multidisciplinary Science, Beihang University, Beijing, P. R. China.
| | - Wei Shi
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, P. R. China
| | - Tianyi Zhao
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, P. R. China
| | - Mingjie Liu
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, P. R. China. .,Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, P. R. China. .,International Research Institute for Multidisciplinary Science, Beihang University, Beijing, P. R. China. .,Research Institute of Frontier Science, Beihang University, Beijing, P. R. China.
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7
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Xiaolin J, Rui Q, Minhui W, Min X, Yeming S, Xun L. Controllable wide temperature range and high damping polyurethane elastomer based on disulfide bond and dangling chain. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5250] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jiang Xiaolin
- South China University of Technology Guangzhou China
| | - Qin Rui
- South China University of Technology Guangzhou China
| | - Wang Minhui
- South China University of Technology Guangzhou China
| | - Xu Min
- South China University of Technology Guangzhou China
| | - Sheng Yeming
- South China University of Technology Guangzhou China
| | - Lu Xun
- South China University of Technology Guangzhou China
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8
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Aoyama T, Yamada N, Urayama K. Nonlinear Elasticity of Ultrasoft Near-Critical Gels with Extremely Sparse Network Structures Revealed by Biaxial Stretching. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02737] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Takuma Aoyama
- Department of Macromolecular Science and Engineering, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan
| | - Naoto Yamada
- Department of Macromolecular Science and Engineering, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan
| | - Kenji Urayama
- Department of Macromolecular Science and Engineering, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan
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9
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Li Z, Wen F, Hussain M, Song Y, Zheng Q. Scaling laws of Mullins effect in nitrile butadiene rubber nanocomposites. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122350] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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10
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Zheng H, Pan G, Huang P, Xu D, Zhai W. Fundamental Influences of Crosslinking Structure on the Cell Morphology, Creep Property, Thermal Property, and Recycling Behavior of Microcellular EPDM Foams Blown with Compressed CO2. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.9b05611] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Hao Zheng
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, Guangdong Province 510275, China
- Ningbo Key Lab of Polymer Materials, Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang Province 315201, China
- Faculty of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Ge Pan
- State Key Lab of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Pengke Huang
- Ningbo Key Lab of Polymer Materials, Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang Province 315201, China
| | - Donghua Xu
- State Key Lab of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Wentao Zhai
- School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, Guangdong Province 510275, China
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11
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Huttunen OH, Happonen T, Hiitola-Keinänen J, Korhonen P, Ollila J, Hiltunen J. Roll-To-Roll Screen-Printed Silver Conductors on a Polydimethyl Siloxane Substrate for Stretchable Electronics. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b03628] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
| | - Tuomas Happonen
- VTT Technical Research Centre of Finland, Kaitoväylä 1, 90590 Oulu, Finland
| | | | - Pentti Korhonen
- VTT Technical Research Centre of Finland, Kaitoväylä 1, 90590 Oulu, Finland
| | - Jyrki Ollila
- VTT Technical Research Centre of Finland, Kaitoväylä 1, 90590 Oulu, Finland
| | - Jussi Hiltunen
- VTT Technical Research Centre of Finland, Kaitoväylä 1, 90590 Oulu, Finland
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12
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Effect of chain length of polyisobutylene oligomers on the molecular motion modes of butyl rubber: Damping property. POLYMER 2018. [DOI: 10.1016/j.polymer.2018.03.009] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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13
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Wang D, Zhang H, Guo J, Cheng B, Cao Y, Lu S, Zhao N, Xu J. Biomimetic Gradient Polymers with Enhanced Damping Capacities. Macromol Rapid Commun 2016; 37:655-61. [DOI: 10.1002/marc.201500637] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 12/29/2015] [Indexed: 11/06/2022]
Affiliation(s)
- Dong Wang
- Beijing National Laboratory for Molecular Sciences; Laboratory of Polymer Physics and Chemistry; Institute of Chemistry; Chinese Academy of Sciences; Zhongguancun North First Street 2 Beijing 100190 China
- University of Chinese Academy of Sciences; Beijing 100049 China
| | - Huan Zhang
- Beijing National Laboratory for Molecular Sciences; Laboratory of Polymer Physics and Chemistry; Institute of Chemistry; Chinese Academy of Sciences; Zhongguancun North First Street 2 Beijing 100190 China
- University of Chinese Academy of Sciences; Beijing 100049 China
| | - Jing Guo
- Beijing National Laboratory for Molecular Sciences; Laboratory of Polymer Physics and Chemistry; Institute of Chemistry; Chinese Academy of Sciences; Zhongguancun North First Street 2 Beijing 100190 China
- University of Chinese Academy of Sciences; Beijing 100049 China
| | - Beichen Cheng
- Beijing National Laboratory for Molecular Sciences; Laboratory of Polymer Physics and Chemistry; Institute of Chemistry; Chinese Academy of Sciences; Zhongguancun North First Street 2 Beijing 100190 China
| | - Yuan Cao
- Beijing National Laboratory for Molecular Sciences; Laboratory of Polymer Physics and Chemistry; Institute of Chemistry; Chinese Academy of Sciences; Zhongguancun North First Street 2 Beijing 100190 China
| | - Shengjun Lu
- Beijing National Laboratory for Molecular Sciences; Laboratory of Polymer Physics and Chemistry; Institute of Chemistry; Chinese Academy of Sciences; Zhongguancun North First Street 2 Beijing 100190 China
| | - Ning Zhao
- Beijing National Laboratory for Molecular Sciences; Laboratory of Polymer Physics and Chemistry; Institute of Chemistry; Chinese Academy of Sciences; Zhongguancun North First Street 2 Beijing 100190 China
| | - Jian Xu
- Beijing National Laboratory for Molecular Sciences; Laboratory of Polymer Physics and Chemistry; Institute of Chemistry; Chinese Academy of Sciences; Zhongguancun North First Street 2 Beijing 100190 China
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14
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Damping elastomer with broad temperature range based on irregular networks formed by end-linking of hydroxyl-terminated poly(dimethylsiloxane). POLYM ENG SCI 2015. [DOI: 10.1002/pen.24196] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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15
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16
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Xu L, Huang C, Luo M, Qu W, Liu H, Gu Z, Jing L, Huang G, Zheng J. A rheological study on non-rubber component networks in natural rubber. RSC Adv 2015. [DOI: 10.1039/c5ra07428b] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Proteins can interact with phospholipids in NR, the residual fragment also interact with ω-terminals in DPNR.
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Affiliation(s)
- Lili Xu
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Cheng Huang
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Mingchao Luo
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Wei Qu
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Han Liu
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Zhewei Gu
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Liumei Jing
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Guangsu Huang
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Jing Zheng
- College of Polymer Science and Engineering
- State Key Laboratory of Polymer Materials Engineering
- Sichuan University
- Chengdu 610065
- China
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17
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Ott M, Pérez-Aparicio R, Schneider H, Sotta P, Saalwächter K. Microscopic Study of Chain Deformation and Orientation in Uniaxially Strained Polymer Networks: NMR Results versus Different Network Models. Macromolecules 2014. [DOI: 10.1021/ma5012655] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Maria Ott
- Institut
für Physik − NMR, Martin-Luther-Universität Halle-Wittenberg, Betty-Heimann-Str.
7, 06120 Halle, Germany
| | - Roberto Pérez-Aparicio
- Laboratoire
Polymères et Matériaux Avancés, UMR 5268, CNRS/Rhodia-Solvay, 85 avenue des Frères Perret, F-69192 Saint Fons, France
| | - Horst Schneider
- Institut
für Physik − NMR, Martin-Luther-Universität Halle-Wittenberg, Betty-Heimann-Str.
7, 06120 Halle, Germany
| | - Paul Sotta
- Laboratoire
Polymères et Matériaux Avancés, UMR 5268, CNRS/Rhodia-Solvay, 85 avenue des Frères Perret, F-69192 Saint Fons, France
| | - Kay Saalwächter
- Institut
für Physik − NMR, Martin-Luther-Universität Halle-Wittenberg, Betty-Heimann-Str.
7, 06120 Halle, Germany
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18
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Ehrburger-Dolle F, Morfin I, Bley F, Livet F, Heinrich G, Piché L, Sutton M. Experimental clues of soft glassy rheology in strained filled elastomers. ACTA ACUST UNITED AC 2014. [DOI: 10.1002/polb.23463] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | - Isabelle Morfin
- CNRS/Univ. Grenoble 1; Laboratoire Interdisciplinaire de Physique; UMR 5588 Grenoble F-38041 France
| | - Françoise Bley
- CNRS/Grenoble INP/Univ. Grenoble 1; SIMaP UMR 5266 38402 Saint Martin d'Hères Grenoble France
| | - Frédéric Livet
- CNRS/Grenoble INP/Univ. Grenoble 1; SIMaP UMR 5266 38402 Saint Martin d'Hères Grenoble France
| | - Gert Heinrich
- Leibniz-Institut für Polymerforschung Dresden e.V; 010169 Dresden Germany
| | - Luc Piché
- Physics Department; McGill University; Montreal Quebec Canada H3A 2T8
| | - Mark Sutton
- Physics Department; McGill University; Montreal Quebec Canada H3A 2T8
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19
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Agudelo DC, Roth LE, Vega DA, Vallés EM, Villar MA. Dynamic response of transiently trapped entanglements in polymer networks. POLYMER 2014. [DOI: 10.1016/j.polymer.2014.01.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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20
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Delebecq E, Hermeline N, Flers A, Ganachaud F. Looking over liquid silicone rubbers: (2) mechanical properties vs network topology. ACS APPLIED MATERIALS & INTERFACES 2012; 4:3353-3363. [PMID: 22746991 DOI: 10.1021/am300503j] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
In the previous paper of this series, eight formulations were analyzed under their uncross-linked forms to relate liquid silicone rubber (LSR) chemical compositions to material network topologies. Such topologies were confirmed by swelling measurements and hardness evaluation on vulcanized samples. In this article, characterization of cross-linked materials is further done using different mechanical measurements on final materials, including dynamic mechanical analysis, compression set, stress-strain behavior and tear resistance. It was shown that the compression set value is mainly related to the chains motion: increasing the filler-polymer interactions and/or decreasing the dangling/untethered chains content positively impact the compression resistance. Elongation at break depends on the molar mass between cross-linking points, showing an optimum value set at around 20 000 g mol(-1), i.e., the critical mass between entanglements. The distribution of elastic strands into the network has strong implications on the stress-strain curves profiles. By generating bimodal networks, the ultimate properties are enhanced. The materials cured by hydride addition on vinyl groups catalyzed by peroxide exhibit poorer compression set and tensile strength values, respectively, because of post-cross-linking reaction and broad polydispersity index of elastic network chains.
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Affiliation(s)
- Etienne Delebecq
- Ingénierie des Architectures Macromoléculaires , UMR 5076 CNRS/ENSCM, 8 Rue de l'Ecole Normale, 34296 Montpellier Cedex, France
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21
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Zhang X, Yang H, Song Y, Zheng Q. Rheological behaviors of randomly crosslinked low density polyethylene and its gel network. POLYMER 2012. [DOI: 10.1016/j.polymer.2012.05.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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22
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Yamazaki H, Takeda M, Kohno Y, Ando H, Urayama K, Takigawa T. Dynamic Viscoelasticity of Poly(butyl acrylate) Elastomers Containing Dangling Chains with Controlled Lengths. Macromolecules 2011. [DOI: 10.1021/ma201941v] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Haruna Yamazaki
- Department of Materials Chemistry, Kyoto University, Kyoto 615-8510, Japan
| | - Masanao Takeda
- Frontier Materials Development Laboratories, Kaneka Corporation, Osaka 566-0072, Japan
| | - Yoshiyuki Kohno
- New Business Development Division, Kaneka Corporation, Osaka 530-8288, Japan
| | - Hiroshi Ando
- New Business Development Division, Kaneka Corporation, Osaka 530-8288, Japan
| | - Kenji Urayama
- Department of Materials Chemistry, Kyoto University, Kyoto 615-8510, Japan
| | - Toshikazu Takigawa
- Department of Materials Chemistry, Kyoto University, Kyoto 615-8510, Japan
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23
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Landherr LJT, Cohen C, Archer LA. Effect of pendent chains on the interfacial properties of thin polydimethylsiloxane (PDMS) networks. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:5944-5952. [PMID: 21495649 DOI: 10.1021/la105012c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The interfacial properties of end-linked polydimethylsiloxane (PDMS) films on silicon are examined. Thin cross-linked PDMS films (∼10 μm thick) were synthesized over a self-assembled monolayer supported on a silicon wafer. By systematically varying the concentration of monofunctional PDMS in a mixture with telechelic precursor molecules, structures ranging from near-ideal elastic networks to poorly cross-linked networks composed of a preponderance of dangling/pendent chains were synthesized. Lateral force microscopy (LFM) employing bead probes was used to quantify the effect of network structure on the interfacial friction coefficient and residual force. Indentation measurements employing an AFM in force mode were used to characterize the elastic modulus and the pull-off force for the films as a function of pendent chain content. These measurements were complemented with conventional mechanical rheometry measurements on similar thick network films to determine their bulk rheological properties. All networks studied manifested interfacial friction coefficients substantially lower than that of bare silicon. PDMS networks with the lowest pendent chain content displayed friction coefficients close to 1 order of magnitude lower than that of bare silicon, whereas networks with the highest pendent chain content manifested friction coefficients about 3 times lower than that of bare silicon. At intermediate sliding velocities, a crossover in the interfacial friction coefficient was observed, wherein cross-linked PDMS films with the least amount of pendent chains exhibit the highest friction coefficient. These observations are discussed in terms of the structure of the films and relaxation dynamics of elastic strands and dangling chains in tethered network films.
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Affiliation(s)
- Lucas J T Landherr
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853-5201, United States
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Genesky GD, Cohen C. Toughness and fracture energy of PDMS bimodal and trimodal networks with widely separated precursor molar masses. POLYMER 2010. [DOI: 10.1016/j.polymer.2010.06.054] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Valentín JL, Posadas P, Fernández-Torres A, Malmierca MA, González L, Chassé W, Saalwächter K. Inhomogeneities and Chain Dynamics in Diene Rubbers Vulcanized with Different Cure Systems. Macromolecules 2010. [DOI: 10.1021/ma1003437] [Citation(s) in RCA: 146] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- J. L. Valentín
- Institute of Polymer Science and Technology (CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain
- Institut für Physik−NMR, Martin-Luther-Universität Halle-Wittenberg, Betty-Heimann-Strasse 7, D-06120 Halle, Germany
| | - P. Posadas
- Institute of Polymer Science and Technology (CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain
| | - A. Fernández-Torres
- Institute of Polymer Science and Technology (CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain
| | - M. A. Malmierca
- Institute of Polymer Science and Technology (CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain
| | - L. González
- Institute of Polymer Science and Technology (CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain
| | - W. Chassé
- Institut für Physik−NMR, Martin-Luther-Universität Halle-Wittenberg, Betty-Heimann-Strasse 7, D-06120 Halle, Germany
| | - K. Saalwächter
- Institut für Physik−NMR, Martin-Luther-Universität Halle-Wittenberg, Betty-Heimann-Strasse 7, D-06120 Halle, Germany
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Structure–mechanical property correlations of model siloxane elastomers with controlled network topology. POLYMER 2009. [DOI: 10.1016/j.polymer.2008.10.027] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Martin G, Barrès C, Cassagnau P, Sonntag P, Garois N. Viscoelasticity of randomly crosslinked EPDM networks. POLYMER 2008. [DOI: 10.1016/j.polymer.2008.02.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Konyali H, Menceloglu Y, Erman B. Long time stress relaxation of amorphous networks under uniaxial tension: The Dynamic Constrained Junction Model. POLYMER 2008. [DOI: 10.1016/j.polymer.2008.01.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Unal B, Hedden RC. Gelation and swelling behavior of end-linked hydrogels prepared from linear poly(ethylene glycol) and poly(amidoamine) dendrimers. POLYMER 2006. [DOI: 10.1016/j.polymer.2006.09.048] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Mather BD, Miller KM, Long TE. Novel Michael Addition Networks Containing Poly(propylene glycol) Telechelic Oligomers. MACROMOL CHEM PHYS 2006. [DOI: 10.1002/macp.200600167] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Affiliation(s)
- Jung Hun Lee
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853
| | - Lewis J. Fetters
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853
| | - Lynden A. Archer
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, New York 14853
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