1
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Wang H, Li J, Chen G, Zhong Y, Cheng Z, Zhang C, Zhao P, Yang J, Xiao N. Hydrophobic polyethylene film prepared by film blowing process for preservation of fried shrimp rolls. Food Chem 2024; 453:139680. [PMID: 38788648 DOI: 10.1016/j.foodchem.2024.139680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 04/20/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024]
Abstract
Hydrophobic coatings have wide applications, but face challenges in food flexible packaging in terms of poor adhesion and inadequate wear resistance. Health hazards and poor adhesion drive the search for novel hydrophobic coatings substitutes. Here, we introduced rationally synthesized carnauba wax-SiO2 microspheres as a component to composite polyethylene (PE) film construction, and created a wear-resistant hydrophobic composite PE film via the blown film technique. The resultant hydrophobic composite film demonstrated an enhanced water contact angle from 86° to above 100°, coupled with favorable mechanical properties such as wear resistance, tensile strength and effective barrier performance against water vapor and oxygen. Upon implementation in the preservation of a Cantonese delicacy, Chaoshan fried shrimp rolls, it was observed that at 25 °C, the carnauba wax-SiO2-PE composite packaging film extended the shelf life of the product by 3 days compared to pure PE film.
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Affiliation(s)
- Honglei Wang
- College of Light Industry and Food Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.; Guangdong Central Kitchen Lingnan Special Food Green Manufacturing Engineering Technology Development Center, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.
| | - Juanhua Li
- College of Light Industry and Food Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.; Guangdong Central Kitchen Lingnan Special Food Green Manufacturing Engineering Technology Development Center, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Guojian Chen
- College of Light Industry and Food Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.; Guangdong Central Kitchen Lingnan Special Food Green Manufacturing Engineering Technology Development Center, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Yunyun Zhong
- College of Light Industry and Food Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.; Guangdong Central Kitchen Lingnan Special Food Green Manufacturing Engineering Technology Development Center, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Zheng Cheng
- College of Light Industry and Food Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.; Guangdong Central Kitchen Lingnan Special Food Green Manufacturing Engineering Technology Development Center, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Chunhui Zhang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing 100193, PR China
| | - Pei Zhao
- Laboratory Animal Center, Sun Yat-sen University, Guangzhou 510080, China
| | - Jing Yang
- College of Chemistry and Chemical Engineering, Hunan Normal University, Hunan 410081, China
| | - Naiyu Xiao
- College of Light Industry and Food Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China..
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2
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Flores-León J, Rodríguez-Félix DE, Quiroz-Castillo JM, Burrola-Núñez H, Castillo-Ortega MM, Encinas-Encinas JC, Alvarado-Ibarra J, Santacruz-Ortega H, Valenzuela-García JL, Herrera-Franco PJ. Effect of Degradation on the Physicochemical and Mechanical Properties of Extruded Films of Poly(lactic acid) and Chitosan. ACS OMEGA 2024; 9:9526-9535. [PMID: 38434895 PMCID: PMC10905741 DOI: 10.1021/acsomega.3c09296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/24/2024] [Accepted: 01/31/2024] [Indexed: 03/05/2024]
Abstract
This study addresses the fabrication of extruded films using poly(lactic acid) (PLA) and chitosan, with and without maleic anhydride as a compatibilizing agent, for potential applications in disposable food packaging. These films underwent controlled conditions of UV irradiation, water condensation, and temperature variations in an accelerated weathering chamber. The investigation analyzed the effect of different exposure periods on the structural, morphological, mechanical, and thermal properties of the films. It was observed that PLA films exhibited a lower susceptibility to degradation compared to those containing chitosan. Specifically, the pure PLA film showed an increase in elastic modulus and strength during the initial 144 h of exposure, associated with cross-linking induced by UV radiation. On the other hand, film Q2 composed of PLA, chitosan, and maleic anhydride and Q1 without maleic anhydride experienced a tensile strength loss of over 50% after 244 h of exposure. The Q2 film exhibited greater homogeneity, leading to increased resistance to degradation compared to that of Q1. As the degradation time increased, both the Q1 and Q2 films demonstrated a decline in thermal stability. These films also exhibited alterations in crystallinity attributed to the chemo-crystallization process, along with fluctuations in the glass transition temperature and crystallization, particularly at 288 h.
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Affiliation(s)
- José
Ramón Flores-León
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, C.P. 83000 Hermosillo, Sonora, Mexico
| | - Dora Evelia Rodríguez-Félix
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, C.P. 83000 Hermosillo, Sonora, Mexico
| | - Jesús Manuel Quiroz-Castillo
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, C.P. 83000 Hermosillo, Sonora, Mexico
| | - Heidy Burrola-Núñez
- Licenciatura
de Ecología, Universidad Estatal
de Sonora, C.P. 83100 Hermosillo, Sonora, Mexico
| | - María Mónica Castillo-Ortega
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, C.P. 83000 Hermosillo, Sonora, Mexico
| | - José Carmelo Encinas-Encinas
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, C.P. 83000 Hermosillo, Sonora, Mexico
| | - Juana Alvarado-Ibarra
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, C.P. 83000 Hermosillo, Sonora, Mexico
| | - Hisila Santacruz-Ortega
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, C.P. 83000 Hermosillo, Sonora, Mexico
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3
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Ramos‐Hernández T, Robledo‐Ortíz JR, González‐López ME, del Campo ASM, González‐Núñez R, Rodrigue D, Pérez Fonseca AA. Mechanical recycling of
PLA
: Effect of weathering, extrusion cycles, and chain extender. J Appl Polym Sci 2023. [DOI: 10.1002/app.53759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Affiliation(s)
| | | | | | | | - Rubén González‐Núñez
- Departamento de Ingeniería Química Universidad de Guadalajara Guadalajara Mexico
| | - Denis Rodrigue
- Department of Chemical Engineering Université Laval Quebec City Quebec Canada
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4
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Picos-Corrales LA, Morales-Burgos AM, Ruelas-Leyva JP, Crini G, García-Armenta E, Jimenez-Lam SA, Ayón-Reyna LE, Rocha-Alonzo F, Calderón-Zamora L, Osuna-Martínez U, Calderón-Castro A, De-Paz-Arroyo G, Inzunza-Camacho LN. Chitosan as an Outstanding Polysaccharide Improving Health-Commodities of Humans and Environmental Protection. Polymers (Basel) 2023; 15:polym15030526. [PMID: 36771826 PMCID: PMC9920095 DOI: 10.3390/polym15030526] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 01/20/2023] Open
Abstract
Public health, production and preservation of food, development of environmentally friendly (cosmeto-)textiles and plastics, synthesis processes using green technology, and improvement of water quality, among other domains, can be controlled with the help of chitosan. It has been demonstrated that this biopolymer exhibits advantageous properties, such as biocompatibility, biodegradability, antimicrobial effect, mucoadhesive properties, film-forming capacity, elicitor of plant defenses, coagulant-flocculant ability, synergistic effect and adjuvant along with other substances and materials. In part, its versatility is attributed to the presence of ionizable and reactive primary amino groups that provide strong chemical interactions with small inorganic and organic substances, macromolecules, ions, and cell membranes/walls. Hence, chitosan has been used either to create new materials or to modify the properties of conventional materials applied on an industrial scale. Considering the relevance of strategic topics around the world, this review integrates recent studies and key background information constructed by different researchers designing chitosan-based materials with potential applications in the aforementioned concerns.
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Affiliation(s)
- Lorenzo A. Picos-Corrales
- Facultad de Ingeniería Culiacán, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
- Correspondence: (L.A.P.-C.); (A.M.M.-B.); (J.P.R.-L.)
| | - Ana M. Morales-Burgos
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
- Correspondence: (L.A.P.-C.); (A.M.M.-B.); (J.P.R.-L.)
| | - Jose P. Ruelas-Leyva
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
- Correspondence: (L.A.P.-C.); (A.M.M.-B.); (J.P.R.-L.)
| | - Grégorio Crini
- Laboratoire Chrono-Environnement, UMR 6249, UFR Sciences et Techniques, Université de Franche-Comté, 16 Route de Gray, 25000 Besançon, France
| | - Evangelina García-Armenta
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
| | - Sergio A. Jimenez-Lam
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
| | - Lidia E. Ayón-Reyna
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
| | - Fernando Rocha-Alonzo
- Departamento de Ciencias Químico Biológicas, Universidad de Sonora, Hermosillo 83000, Sonora, Mexico
| | - Loranda Calderón-Zamora
- Facultad de Biología, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
| | - Ulises Osuna-Martínez
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
| | - Abraham Calderón-Castro
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
| | - Gonzalo De-Paz-Arroyo
- Facultad de Ingeniería Culiacán, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
| | - Levy N. Inzunza-Camacho
- Unidad Académica Preparatoria Hermanos Flores Magón, Universidad Autónoma de Sinaloa, Culiacán 80000, Sinaloa, Mexico
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5
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Accelerated Laboratory Weathering of Polypropylene/Poly (Lactic Acid) Blends. Polymers (Basel) 2022; 15:polym15010017. [PMID: 36616367 PMCID: PMC9823939 DOI: 10.3390/polym15010017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 12/13/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022] Open
Abstract
To solve the pollution problems that result from polypropylene (PP), suitable biopolymers such as poly (lactic acid) (PLA) were selected to blend with PP. Since PP/PLA blends are often exposed to the natural environment, it is necessary to study the photodegradation behavior of PP/PLA blends. In this paper, PP/PLA blends with different compositions were prepared by extrusion and subjected to the accelerated laboratory weathering equipment. The effects of compatibilizers on the degradation behavior of PP/PLA blends were also studied. The weatherability of PP/PLA blends was studied through weight loss, optical microscope, Fourier-transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC). The results revealed that PP is easy to degrade than PLA during accelerated laboratory weathering. PP/PLA blends are susceptible to the accelerated laboratory weathering process, and PP-rich and PLA-rich blends reduce the weathering resistance. Moreover, the results indicate that the initial degradation temperature, melting temperature, and crystallization temperature decrease after weathering related to the decreased thermal stability of PP/PLA blends. For instance, the initial degradation temperature of PP/PLA8.2 reduces from 332.2 °C to 320.2 °C. Moreover, the compatibilized sample is generally more resistant to weathering conditions than the uncompatibilized one due to the higher compatibility of PP and PLA.
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Li J, Tang R, Zhang P, Yuan M, Li H, Yuan M. The Preparation and Characterization of Chitooligosaccharide–Polylactide Polymers, and In Vitro Release of Microspheres Loaded with Vancomycin. J Funct Biomater 2022; 13:jfb13030113. [PMID: 35997451 PMCID: PMC9397111 DOI: 10.3390/jfb13030113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 07/27/2022] [Accepted: 08/01/2022] [Indexed: 12/10/2022] Open
Abstract
Drug-loaded microspheres are an ideal bone tissue delivery material. In this study, a biodegradable Schiff base chitosan–polylactide was used as the encapsulation material to prepare drug-loaded microspheres as biocompatible carriers for controlled vancomycin release. In this regard, Schiff base chitosan was prepared by the Schiff base method, and then different proportions of the Schiff base chitosan–polylactide polymer were prepared by ring-opening polymerization. Drug-loaded microspheres were prepared by the W/O emulsion method, and the polymers and polymer microspheres were characterized and studied by NMR, IR, and antibacterial methods. The drug loading and release rates of microspheres were determined to investigate the drug loading, encapsulation efficiency, and release rate of drug microspheres at different ratios. In this study, different proportions of Schiff base chitosan–polylactic acid materials are successfully prepared, and vancomycin-loaded microspheres are successfully prepared using them as carriers. This study proves that the materials have antibacterial activities against Staphylococcus aureus and Escherichia coli. The particle size of drug-loaded microspheres was below 10 μm, and the particle size decreased with decreasing molecular weight. The obtained results show that 1:100 microspheres have the highest drug-loading and encapsulation efficiencies, the drug-loaded microspheres have no burst release within 24 h, and the release quantity reaches more than 20%. After 30 days of release, the release amounts of 1:10, 1:20, 1:40, 1:60, and 1:100 drug-loaded microspheres were 64.80 ± 0.29%, 54.43 ± 0.54%, 44.60 ± 0.43%, 42.53 ± 0.40% and 69.73 ± 0.45%, respectively, and the release amount of 1:100 was the highest.
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7
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Menezes O, Roberts T, Motta G, Patrenos MH, McCurdy W, Alotaibi A, Vanderpool M, Vaseghi M, Beheshti A, Davami K. Performance of Additively Manufactured Polylactic Acid (PLA) in Prolonged Marine Environments. Polym Degrad Stab 2022. [DOI: 10.1016/j.polymdegradstab.2022.109903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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8
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O-ATRP synthesized poly(β-pinene) blended with chitosan for antimicrobial and antioxidant bio-based films production. Int J Biol Macromol 2021; 193:425-432. [PMID: 34715201 DOI: 10.1016/j.ijbiomac.2021.10.156] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/15/2021] [Accepted: 10/21/2021] [Indexed: 01/13/2023]
Abstract
Antioxidant and antimicrobial activities are important characteristics of active film packaging designed to extend food preservation. In this study, functional bio-based films were produced using different concentrations of antioxidant poly(β-pinene) bio-oligomer synthesized via organocatalyzed atom transfer radical polymerization (O-ATRP) and blended with chitosan of different molecular weights. The structural, mechanical, thermal, solubility, antioxidant, and antimicrobial properties of the films were investigated. The poly(β-pinene)-chitosan blends presented significant pores and irregularities with the increase of poly(β-pinene) concentration over 30%. Chitosan molecular weight did not show any important influence in the physical properties of the blends. Poly(β-pinene) load decreased the materials' tensile strength and melting temperature, exhibiting a plasticizing effect on chitosan chains. The antioxidant and antimicrobial activities of the films were improved by poly(β-pinene) incorporation and mainly depended on its concentration. Therefore, the incorporation of poly(β-pinene) in chitosan films can be an alternative for active packaging production.
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9
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Effect of Poly(acrylamide-acrylic acid) on the Fire Resistance and Anti-Aging Properties of Transparent Flame-Retardant Hydrogel Applied in Fireproof Glass. Polymers (Basel) 2021; 13:polym13213668. [PMID: 34771226 PMCID: PMC8587740 DOI: 10.3390/polym13213668] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/08/2021] [Accepted: 10/21/2021] [Indexed: 11/17/2022] Open
Abstract
Poly(acrylamide-acrylic acid) (P(AM-co-AA)) was synthesized via the copolymerization of acrylamide and acrylic acid and well characterized by Fourier transform infrared spectroscopy. Afterward, the obtained P(AM-co-AA) was blended with flame retardants to prepare transparent flame-retardant hydrogel applied in the fireproof glass. The influence of poly(acrylamide-acrylic acid) on fire resistance and anti-aging properties of the transparent flame-retardant hydrogels were studied by assorted analysis methods. The optical transparency analysis shows that the light transmittance of the transparent flame-retardant hydrogel gradually decreases with the decreasing mass ratio of acrylamide to acrylic acid in P(AM-co-AA). Heat insulation testing shows that the heat insulation performance of fireproof glass applying the transparent flame-retardant hydrogel firstly decreases and then increases with decreasing mass ratio of acrylamide to acrylic acid in P(AM-co-AA). When the mass ratio of acrylamide to acrylic acid is 1:2, the obtained P(AM-co-AA) endows the resulting flame-retardant hydrogel applied in fireproof glass with the lowest light transmittance of 81.3% and lowest backside temperature of 131.4 °C at 60 min among the samples, which is attributed to the formation of a more dense and expanded char to prevent the heat transfer during combustion, as supported by the digital photos of char residues. The results of TG analysis indicate that P(AM-co-AA) imparts high thermal stability to the resulting hydrogels due to the hydrogen bonds between carboxyl and amide groups. The accelerated aging test shows that the transparent flame-retardant hydrogel containing P(AM-co-AA) is less affected by aging conditions. Especially, when the mass ratio of acrylamide to acrylic acid in P(AM-co-AA) is 4:1, the resulting transparent flame-retardant hydrogel shows a light transmittance of 82.9% and backside temperature of 173.1 °C at 60 min after 7 aging cycles, exhibiting the best comprehensive properties among the samples.
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10
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de Albuquerque TL, Marques Júnior JE, de Queiroz LP, Ricardo ADS, Rocha MVP. Polylactic acid production from biotechnological routes: A review. Int J Biol Macromol 2021; 186:933-951. [PMID: 34273343 DOI: 10.1016/j.ijbiomac.2021.07.074] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/07/2021] [Accepted: 07/11/2021] [Indexed: 12/13/2022]
Abstract
Polylactic acid (PLA) has been highlighted as an important polymer due to its high potential for applicability in various areas, such as in the chemical, medical, pharmaceutical or biotechnology field. Very recently, studies have reported its use as a basic component for the production of personal protective equipment (PPE) required for the prevention of Sars-Cov-2 contamination, responsible for the cause of coronavirus disease, which is currently a major worldwide sanitary and social problem. PLA is considered a non-toxic, biodegradable and compostable plastic with interesting characteristics from the industrial point of view, and it emerges as a promising product under the concept of "green plastic", since most of the polymers produced currently are petroleum-based, a non-renewable raw material. Biotechnology routes have been mentioned as potential methodologies for the production of this polymer, especially by enzymatic routes, in particular by use of lipases enzymes. The availability of pure lactic acid isomers is a fundamental aspect of the manufacture of PLA with more interesting mechanical and thermal properties. Due to the technological importance that PLA-based polymers are acquiring, as well as their characteristics and applicability in several fields, especially medical, pharmaceutical and biotechnology, this review article sought to gather very recent information regarding the development of research in this area. The main highlight of this study is that it was carried out from a biotechnological point of view, aiming at a totally green bioplastic production, since the obtaining of lactic acid, which will be used as raw material for the PLA synthesis, until the degradation of the polymer obtained by biological routes.
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Affiliation(s)
- Tiago Lima de Albuquerque
- Universidade Federal do Ceará, Campus do Pici, Departament of Chemical Engineering, Bloco 709, 60455-760 Fortaleza, Ceará, Brazil
| | - José Edvan Marques Júnior
- Universidade Federal do Ceará, Campus do Pici, Departament of Chemical Engineering, Bloco 709, 60455-760 Fortaleza, Ceará, Brazil
| | - Lívia Pinheiro de Queiroz
- Universidade Federal do Ceará, Campus do Pici, Departament of Chemical Engineering, Bloco 709, 60455-760 Fortaleza, Ceará, Brazil
| | - Anderson Diógenes Souza Ricardo
- Universidade Federal do Ceará, Campus do Pici, Departament of Chemical Engineering, Bloco 709, 60455-760 Fortaleza, Ceará, Brazil
| | - Maria Valderez Ponte Rocha
- Universidade Federal do Ceará, Campus do Pici, Departament of Chemical Engineering, Bloco 709, 60455-760 Fortaleza, Ceará, Brazil.
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Wang H, Ding F, Ma L, Zhang Y. Edible films from chitosan-gelatin: Physical properties and food packaging application. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2020.100871] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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12
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13
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Quiroz‐Castillo JM, Rodríguez‐Félix DE, Romero‐García J, Madera‐Santana TJ, Encinas‐Encinas JC, Castillo‐Ortega MM, Cabrera‐Germán D, Lizárraga‐Laborín LL. Extrusion of polypropylene/chitosan/poly(lactic‐acid) films: Chemical, mechanical, and thermal properties. J Appl Polym Sci 2020. [DOI: 10.1002/app.49850] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Jesús M. Quiroz‐Castillo
- Departamento de Investigación en Polímeros y Materiales Universidad de Sonora Hermosillo Sonora Mexico
| | - Dora E. Rodríguez‐Félix
- Departamento de Investigación en Polímeros y Materiales Universidad de Sonora Hermosillo Sonora Mexico
| | - Jorge Romero‐García
- Departamento de Materiales Avanzados Centro de Investigación en Química Aplicada Saltillo Coahuila Mexico
| | - Tomás J. Madera‐Santana
- Laboratorio de Envases, CTAOV Centro de Investigación en Alimentos y Desarrollo A.C. Hermosillo Sonora Mexico
| | - José C. Encinas‐Encinas
- Departamento de Investigación en Polímeros y Materiales Universidad de Sonora Hermosillo Sonora Mexico
| | - María M. Castillo‐Ortega
- Departamento de Investigación en Polímeros y Materiales Universidad de Sonora Hermosillo Sonora Mexico
| | - Dagoberto Cabrera‐Germán
- Departamento de Investigación en Polímeros y Materiales Universidad de Sonora Hermosillo Sonora Mexico
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González-López ME, Martín del Campo AS, Robledo-Ortíz JR, Arellano M, Pérez-Fonseca AA. Accelerated weathering of poly(lactic acid) and its biocomposites: A review. Polym Degrad Stab 2020. [DOI: 10.1016/j.polymdegradstab.2020.109290] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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15
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Munteanu SB, Vasile C. Vegetable Additives in Food Packaging Polymeric Materials. Polymers (Basel) 2019; 12:E28. [PMID: 31877858 PMCID: PMC7023556 DOI: 10.3390/polym12010028] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Revised: 12/19/2019] [Accepted: 12/19/2019] [Indexed: 12/12/2022] Open
Abstract
Plants are the most abundant bioresources, providing valuable materials that can be used as additives in polymeric materials, such as lignocellulosic fibers, nano-cellulose, or lignin, as well as plant extracts containing bioactive phenolic and flavonoid compounds used in the healthcare, pharmaceutical, cosmetic, and nutraceutical industries. The incorporation of additives into polymeric materials improves their properties to make them suitable for multiple applications. Efforts are made to incorporate into the raw polymers various natural biobased and biodegradable additives with a low environmental fingerprint, such as by-products, biomass, plant extracts, etc. In this review we will illustrate in the first part recent examples of lignocellulosic materials, lignin, and nano-cellulose as reinforcements or fillers in various polymer matrices and in the second part various applications of plant extracts as active ingredients in food packaging materials based on polysaccharide matrices (chitosan/starch/alginate).
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Affiliation(s)
| | - Cornelia Vasile
- “P. Poni” Institute of Macromolecular Chemistry, Romanian Academy, 41A Grigore GhicaVoda Alley, 700487 Iasi, Romania;
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