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Worajittiphon P, Santiwongsathit N, Bai SL, Daranarong D, Punyodom W, Sriyai M, Jantanasakulwong K, Rachtanapun P, Ross S, Tipduangta P, Srithep Y, Amnuaypanich S. Carboxymethyl cellulose/poly(vinyl alcohol) blended films reinforced by buckypapers of carbon nanotubes and 2D material (MoS 2): Enhancing mechanical strength, toughness, and barrier properties. Int J Biol Macromol 2023; 242:124726. [PMID: 37172702 DOI: 10.1016/j.ijbiomac.2023.124726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 04/23/2023] [Accepted: 04/30/2023] [Indexed: 05/15/2023]
Abstract
Plastic waste is one cause of climate change. To solve this problem, packaging films are increasingly produced from biodegradable polymers. Eco-friendly carboxymethyl cellulose and its blends have been developed for such a solution. Herein, a unique strategy is demonstrated to improve the mechanical and barrier properties of carboxymethyl cellulose/poly(vinyl alcohol) (CMC/PVA) blended films for the packaging of nonfood dried products. The blended films were impregnated with buckypapers containing different combinations of multiwalled carbon nanotubes, two-dimensional molybdenum disulfide (2D MoS2) nanoplatelets, and helical carbon nanotubes (HCNTs). Compared to the blend, the polymer composite films exhibit significant increases in tensile strength (~105 %, from 25.53 to 52.41 MPa), Young's modulus (~297 %, from 155.48 to 617.48 MPa), and toughness (~46 %, from 6.69 to 9.75 MJ m-3). Polymer composite films containing HCNTs in buckypapers offer the highest toughness. For barrier properties, the polymer composite films are opaque. The water vapor transmission rate of the blended films decreases (~52 %, from 13.09 to 6.25 g h-1 m-2). Moreover, the maximum thermal-degradation temperature of the blend rises from 296 to 301 °C, especially for the polymer composite films with buckypapers containing MoS2 nanosheets that contribute to the barrier effect for both water vapor and thermal-decomposition gas molecules.
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Affiliation(s)
- Patnarin Worajittiphon
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand.
| | | | - Shu-Lin Bai
- School of Materials Science and Engineering, HEDPS/Center for Applied Physics and Technology, Peking University, Beijing 100871, China
| | - Donraporn Daranarong
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand; Science and Technology Research Institute, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Winita Punyodom
- Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Montira Sriyai
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand; Bioplastics Production Laboratory for Medical Applications, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Kittisak Jantanasakulwong
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand; Division of Packaging Technology, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; The Cluster of Agro Bio-Circular-Green Industry (Agro BCG), Chiang Mai University, Chiang Mai 50100, Thailand
| | - Pornchai Rachtanapun
- Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand; Division of Packaging Technology, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; The Cluster of Agro Bio-Circular-Green Industry (Agro BCG), Chiang Mai University, Chiang Mai 50100, Thailand
| | - Sukunya Ross
- Center of Excellence in Biomaterials, Faculty of Science, Naresuan University, Phitsanulok 65000, Thailand
| | - Pratchaya Tipduangta
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Yottha Srithep
- Manufacturing and Materials Research Unit, Department of Manufacturing Engineering, Faculty of Engineering, Mahasarakham University, Mahasarakham 44150, Thailand
| | - Sittipong Amnuaypanich
- Department of Chemistry and the Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
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Luo X, Lan B, Wu P, Yang Q. Lamellae orientation and structure evolution of reinforced poly(lactic acid) via equal channel angular extrusion. J Appl Polym Sci 2022. [DOI: 10.1002/app.53280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xiehuai Luo
- College of Polymer Science and Engineering, the State Key Laboratory for Polymer Materials Engineering Sichuan University Chengdu China
| | - Bin Lan
- College of Polymer Science and Engineering, the State Key Laboratory for Polymer Materials Engineering Sichuan University Chengdu China
| | - Pingping Wu
- College of Polymer Science and Engineering, the State Key Laboratory for Polymer Materials Engineering Sichuan University Chengdu China
| | - Qi Yang
- College of Polymer Science and Engineering, the State Key Laboratory for Polymer Materials Engineering Sichuan University Chengdu China
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Kołbuk D, Ciechomska M, Jeznach O, Sajkiewicz P. Effect of crystallinity and related surface properties on gene expression of primary fibroblasts. RSC Adv 2022; 12:4016-4028. [PMID: 35425452 PMCID: PMC8980997 DOI: 10.1039/d1ra07237d] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 12/30/2021] [Indexed: 12/13/2022] Open
Abstract
The biomaterial-cells interface is one of the most fundamental issues in tissue regeneration. Despite many years of scientific work, there is no clear answer to what determines the desired adhesion of cells and the synthesis of ECM proteins. Crystallinity is a characteristic of the structure that influences the surface and bulk properties of semicrystalline polymers used in medicine. The crystallinity of polycaprolactone (PCL) was varied by changing the molecular weight of the polymer and the annealing procedure. Measurements of surface free energy showed differences related to substrate crystallinity. Additionally, the water contact angle was determined to characterise surface wettability which was crucial in the analysis of protein absorption. X-ray photoelectron spectroscopy was used to indicate oxygen bonds amount on the surface. Finally, the impact of the crystallinity, and related properties were demonstrated on dermal fibroblasts' response. Cellular proliferation and expression of selected genes: α-SMA, collagen I, TIMP, integrin were analysed.
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Affiliation(s)
- Dorota Kołbuk
- Institute of Fundamental Technological Research, Polish Academy of Sciences Pawińskiego 5b 02-106 Warsaw Poland
| | - Marzena Ciechomska
- National Institute of Geriatrics, Rheumatology and Rehabilitation Spartańska 1 02-637 Warsaw Poland
| | - Oliwia Jeznach
- Institute of Fundamental Technological Research, Polish Academy of Sciences Pawińskiego 5b 02-106 Warsaw Poland
| | - Paweł Sajkiewicz
- Institute of Fundamental Technological Research, Polish Academy of Sciences Pawińskiego 5b 02-106 Warsaw Poland
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