Biodegradable poly(lactic acid)/cellulose-based superabsorbent hydrogel composite material as water and fertilizer reservoir in agricultural applications

被引:54
作者
Calcagnile, Paola [1 ,2 ,3 ]
Sibillano, Teresa [1 ,2 ]
Giannini, Cinzia [1 ,2 ]
Sannino, Alessandro [3 ]
Demitri, Christian [3 ]
机构
[1] CNR, IC, Via G Amendola 122-O, I-70126 Bari, Italy
[2] IMAST, Piazza G Bovio 22, I-80133 Naples, Italy
[3] Univ Salento, Dipartimento Ingn Innovaz, Via Monteroni,Km 1, I-73100 Lecce, Italy
关键词
biodegradable; biopolymers and renewable polymers; cellulose and other wood products; hydrophilic polymers; swelling; CELLULOSE-BASED HYDROGELS;
D O I
10.1002/app.47546
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The work presents a fully degradable superabsorbent composite material to be used in agricultural and horticultural applications. It is designed to retain and release fertilizer solutions to the soil in a controlled manner, permitting resource optimization. Because of its ability to absorb and release large amounts of saline water, a natural superabsorbent hydrogel derived from cellulose was chosen. Potassium nitrate was chosen to model the fertilizer. Poly(lactic acid) was added to the final composition in order to delay solution release. The composite material was obtained using easily available and low-cost starting materials and using a simple manufacturing process, using a standard mixer. After being analyzed for morphological (scanning electron microscopy), physical (X-ray diffraction), chemical (energy-dispersive X-ray spectroscopy), and thermal properties (thermogravimetric analysis and differential scanning calorimetry), the material was tested using two different Mediterranean cultivations (Pomodoro di Morciano di Leuca and Cicoria Otrantina) and two different kinds of soil (red and white soils). The analysis revealed different water release characteristics for different soils. These findings have been confirmed by measuring plant growth for both species, as well as fruit yield of the tomatoes. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47546.
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页数:9
相关论文
共 19 条
[1]   QUALX2.0: a qualitative phase analysis software using the freely available database POW_COD [J].
Altomare, Angela ;
Corriero, Nicola ;
Cuocci, Corrado ;
Falcicchio, Aurelia ;
Moliterni, Anna ;
Rizzi, Rosanna .
JOURNAL OF APPLIED CRYSTALLOGRAPHY, 2015, 48 :598-603
[2]  
Barlow PM., 2003, US GEOLOGICAL SURVEY, DOI DOI 10.3133/CIR1262
[3]   Experimental Assessment of the Use of a Novel Superabsorbent polymer (SAP) for the Optimization of Water Consumption in Agricultural Irrigation Process [J].
Cannazza, Giuseppe ;
Cataldo, Andrea ;
De Benedetto, Egidio ;
Demitri, Christian ;
Madaghiele, Marta ;
Sannino, Alessandro .
WATER, 2014, 6 (07) :2056-2069
[4]   Processing of poly(lactic acid): Characterization of chemical structure, thermal stability and mechanical properties [J].
Carrasco, F. ;
Pages, P. ;
Gamez-Perez, J. ;
Santana, O. O. ;
Maspoch, M. L. .
POLYMER DEGRADATION AND STABILITY, 2010, 95 (02) :116-125
[5]  
Dabhi R., 2013, International Journal of Innovative Research in Science, Engineering and Technology, V2, P5333
[6]   Potential of Cellulose-Based Superabsorbent Hydrogels as Water Reservoir in Agriculture [J].
Demitri, C. ;
Scalera, F. ;
Madaghiele, M. ;
Sannino, A. ;
Maffezzoli, A. .
INTERNATIONAL JOURNAL OF POLYMER SCIENCE, 2013, 2013
[7]   Novel superabsorbent cellulose-based hydrogels crosslinked with citric acid [J].
Demitri, Christian ;
Del Sole, Roberta ;
Scalera, Francesca ;
Sannino, Alessandro ;
Vasapollo, Giuseppe ;
Maffezzoli, Alfonso ;
Ambrosio, Luigi ;
Nicolais, Luigi .
JOURNAL OF APPLIED POLYMER SCIENCE, 2008, 110 (04) :2453-2460
[8]   Impact of climate change and variability on irrigation requirements:: A global perspective [J].
Döll, P .
CLIMATIC CHANGE, 2002, 54 (03) :269-293
[9]  
Esposito F, 1996, J APPL POLYM SCI, V60, P2403
[10]   Superabsorbent hydrogels based on polysaccharides for application in agriculture as soil conditioner and nutrient carrier: A review [J].
Guilherme, Marcos R. ;
Aouada, Fauze A. ;
Fajardo, Andre R. ;
Martins, Alessandro F. ;
Paulino, Alexandre T. ;
Davi, Magali F. T. ;
Rubira, Adley F. ;
Muniz, Edvani C. .
EUROPEAN POLYMER JOURNAL, 2015, 72 :365-385