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Wang J, Wang M, Zhang X, Han Y, Wu Y, Wang D, Qin X, Lu Y, Zhang L. Quantification Characterization of Hierarchical Structure of Polyurethane by Advanced AFM and X-ray Techniques. ACS APPLIED MATERIALS & INTERFACES 2023; 15:45388-45398. [PMID: 37705159 DOI: 10.1021/acsami.3c07860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
Polyurethane (PU) with microphase separation has garnered significant attention due to its highly designable molecular structure and a wide range of adjustable properties. However, there is currently a lack of systematic approaches for quantifying PU's microphase separation. To address this research gap, we utilized an atomic force microscopy (AFM) nanomechanical mapping technique along with Gaussian fitting to recolor and quantitatively analyze the evolution of PU's microphase separation. By varying the ratios of the chain extender to cross-linking agent, we observed the changes in the hydrogen bonding between the soft and hard segments. As the ratio of the chain extender to cross-linking agent decreases, the strength of the hydrogen bonding weakens, resulting in a reduction in the quantity and phase percentage of hard segment (HS) domains. Consequently, the degree of microphase separation between the soft and hard segments decreases, leading to specific alterations in the material's mechanical properties and dynamic viscoelasticity. To further investigate the hierarchical structure of PU, we employed various techniques, such as X-ray analysis, transmission electron microscopy (TEM), and AFM-based infrared spectroscopy (AFM-IR). Our findings reveal a spherulite pattern composed of lamellae within the HS domains, with the cross-linking density gradually increasing from the center to the periphery. Overall, our comprehensive characterization of PU provides valuable insights into its hierarchical structure and establishes a quantitative framework to explore the intricate relationship between the structure and properties.
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Affiliation(s)
- Jiadong Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
| | - Min Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
| | - Xi Zhang
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China
| | - Yang Han
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
| | - Yingxue Wu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
| | - Dong Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
| | - Xuan Qin
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
| | - Yonglai Lu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
| | - Liqun Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
- Engineering Research Center of Elastomer Materials Energy Conservation and Resources, Ministry of Education, Beijing 100029, China
- Institute of Emergent Elastomers, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China
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Gao Z, Wang Z, Liu Z, Fu L, Li X, Eling B, Pöselt E, Schander E, Wang Z. Hard block length distribution of thermoplastic polyurethane determined by polymerization-induced phase separation. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Jiang J, Liu F, Yang X, Xiong Z, Liu H, Xu D, Zhai W. Evolution of ordered structure of TPU in high-elastic state and their influences on the autoclave foaming of TPU and inter-bead bonding of expanded TPU beads. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123872] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Zhang J, Yao M, Chen J, Jiang Z, Ma Y. Synthesis and properties of polyurethane elastomers based on renewable castor oil polyols. J Appl Polym Sci 2018. [DOI: 10.1002/app.47309] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Jun Zhang
- College of Materials Science and Engineering; Beijing University of Chemical Technology; Beijing 100029 China
| | - Ming Yao
- College of Materials Science and Engineering; Beijing University of Chemical Technology; Beijing 100029 China
| | - Jianjun Chen
- College of Materials Science and Engineering; Beijing University of Chemical Technology; Beijing 100029 China
| | - Zhiguo Jiang
- College of Materials Science and Engineering; Beijing University of Chemical Technology; Beijing 100029 China
| | - Yuhong Ma
- Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education; Beijing University of Chemical Technology; Beijing 100029 China
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Ge C, Wang S, Zheng W, Zhai W. Preparation of microcellular thermoplastic polyurethane (TPU) foam and its tensile property. POLYM ENG SCI 2017. [DOI: 10.1002/pen.24813] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Chengbiao Ge
- Ningbo Key Lab of Polymer Materials, Ningbo Institute of Materials Technology and Engineering; Chinese Academy of Sciences; Ningbo, Zhejiang Province 315201 China
- University of Chinese Academy of Sciences; Beijing 100049 China
| | - Shiping Wang
- Ningbo Key Lab of Polymer Materials, Ningbo Institute of Materials Technology and Engineering; Chinese Academy of Sciences; Ningbo, Zhejiang Province 315201 China
| | - Wenge Zheng
- Ningbo Key Lab of Polymer Materials, Ningbo Institute of Materials Technology and Engineering; Chinese Academy of Sciences; Ningbo, Zhejiang Province 315201 China
| | - Wentao Zhai
- Ningbo Key Lab of Polymer Materials, Ningbo Institute of Materials Technology and Engineering; Chinese Academy of Sciences; Ningbo, Zhejiang Province 315201 China
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Li X, Lu Y, Wang H, Pöselt E, Eling B, Men Y. Crystallization of hard segments in MDI/BD-based polyurethanes deformed at elevated temperature and their dependence on the MDI/BD content. Eur Polym J 2017. [DOI: 10.1016/j.eurpolymj.2017.10.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Li C, Luo X, Li T, Tong X, Li Y. Polyurethane foams based on crude glycerol-derived biopolyols: One-pot preparation of biopolyols with branched fatty acid ester chains and its effects on foam formation and properties. POLYMER 2014. [DOI: 10.1016/j.polymer.2014.10.043] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Huang M, Dong X, Gao Y, Xing Q, Li W, Wang D. Probing the structure evolution/orientation induced by interaction between polyurethane segments and SiO2 surface in shape memory process. POLYMER 2014. [DOI: 10.1016/j.polymer.2014.06.060] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Silva J, Meltzer D, Liu J, Cox M, Maia J. The influence of thermo-mechanical history on structure development of elastomeric and amorphous glass thermoplastic polyurethanes. POLYM ENG SCI 2013. [DOI: 10.1002/pen.23673] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jorge Silva
- Department of Macromolecular Science and Engineering; Case Western Reserve University; Cleveland Ohio 44106-7202
| | - Donald Meltzer
- Lubrizol Advanced Materials, Inc.; 9911 Brecksville Road Cleveland Ohio 44141-3247
| | - Jia Liu
- Department of Macromolecular Science and Engineering; Case Western Reserve University; Cleveland Ohio 44106-7202
| | - Mark Cox
- Lubrizol Advanced Materials, Inc.; 9911 Brecksville Road Cleveland Ohio 44141-3247
| | - João Maia
- Department of Macromolecular Science and Engineering; Case Western Reserve University; Cleveland Ohio 44106-7202
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Li C, Liu J, Li J, Shen F, Huang Q, Xu H. Studies of 4,4′-diphenylmethane diisocyanate (MDI)/1,4-butanediol (BDO) based TPUs by in situ and moving-window two-dimensional correlation infrared spectroscopy: Understanding of multiple DSC endotherms from intermolecular interactions and motions level. POLYMER 2012. [DOI: 10.1016/j.polymer.2012.09.030] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Lee HS, Stachelek SJ, Tomczyk N, Finley MJ, Composto RJ, Eckmann DM. Correlating macrophage morphology and cytokine production resulting from biomaterial contact. J Biomed Mater Res A 2012; 101:203-12. [PMID: 22847892 DOI: 10.1002/jbm.a.34309] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2012] [Revised: 04/23/2012] [Accepted: 05/24/2012] [Indexed: 12/22/2022]
Abstract
The morphological and inflammatory responses of adherent macrophages are correlated to evaluate the biocompatibility of surfaces. Monocyte-derived macrophage (MDM), THP-1, and THP-1 cells expressing GFP-actin chimeric protein were seeded onto glass, polyurethane (PU), and glass surface modified with quaternary ammonium salt functionalized chitosan (CH-Q) and hyaluronic acid (HA). Using confocal microscopy, the surface area, volume and 3D shape factor of adherent macrophages was quantified. For comparison, functional consequences of cell-surface interactions that activate macrophages and thereby elicit secretion of a proinflammatory cytokine were evaluated. Using an enzyme linked immune sorbent assay, tumor necrosis factor-alpha (TNF-α) was measured. On glass, macrophages exhibited mainly an amoeboid shape, exhibited the largest surface area, volume, and 3D shape factor and produced the most TNF-α. On PU, macrophages displayed mainly a hemispherical shape, exhibited an intermediate volume, surface area and 3D shape factor, and produced moderate TNF-α. In contrast, on CH-Q and HA surfaces, macrophages were spherical, exhibited the smallest volume, surface area, and 3D shape factor, and produced the least TNF-α. These studies begin to validate the use of GFP-actin-modified MDM as a novel tool to correlate cell morphology with inflammatory cell response.
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Affiliation(s)
- Hyun-Su Lee
- Department of Anesthesiology and Critical Care, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6802, USA
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