Factors on the preparation of carboxymethylcellulose hydrogel and its degradation behavior in soil

Nie, Huarong; Liu, Mingzhu; Zhan, Falu; Guo, Mingyu

doi:10.1016/j.carbpol.2004.06.035

Cited by 103 publications

(54 citation statements)

References 8 publications

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“…This value, which is comparable with those reported for other biopolymer- [19] and acrylic-based [33] SAPs , is clearly appealing for the intended application. The second swelling experiment performed in this study focused on the effect of environmental electrical conductivity on the absorption capacity of the SAP as well as on the subsequent water loss kinetics from the hydrogel.…”

Section: Absorption Capacity Of the Sapsupporting

confidence: 87%

“…As a result, in the last decade, the increasing interest in environmental issues has led manufacturers and researchers to focus on the development of alternative, environmentally friendly SAPs. Examples of investigated biopolymers for the synthesis of SAPs include cellulose derivatives [19] and starch [20], which can be degraded by soil microbes [19,21].…”

Section: Introductionmentioning

confidence: 99%

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Experimental Assessment of the Use of a Novel Superabsorbent polymer (SAP) for the Optimization ofWater Consumption in Agricultural Irrigation Process

Cannazza

Cataldo

Benedetto

et al. 2014

Water

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In this work, an innovative cellulose-based superabsorbent polymer (SAP) was experimentally assessed as an environmentally friendly alternative to acrylate-based SAPs, for the optimization of water consumption in agriculture. The cellulose-based SAP was synthesized and tested for its swelling capability in different aqueous media. The effectiveness of the SAP in agricultural applications was then evaluated by analyzing its performance after several absorption/desorption cycles, over a period of approximately 80 days, upon addition to different types of soil, i.e., white and red soil, for the cultivation of two varieties of plants typical of the Mediterranean area (tomatoes and chicory). The results confirmed that SAP-amended soil can store a considerable amount of water and can release it gradually to the plant roots when needed. The adoption of the proposed SAP in cultivations could thus represent a promising solution for the rationalization of water resources, especially in desert areas.

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Section: Absorption Capacity Of the Sapsupporting

confidence: 87%

Section: Introductionmentioning

confidence: 99%

Experimental Assessment of the Use of a Novel Superabsorbent polymer (SAP) for the Optimization ofWater Consumption in Agricultural Irrigation Process

Cannazza

Cataldo

Benedetto

et al. 2014

Water

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“…Addition of suitable adjuvants into spray formulations can help increase the rate of retention, spreading, penetration and drying of the solution, thereby, improving the performance of fertilisers. Sodium salt of carboxymethyl ether of cellulose (CMC) is a food additive used by the agro-food industry to improve e.g., moisture retention, as a thickener or as an emulsion stabiliser (Ghannam and Esmail, 1998;Nie et al, 2004).…”

Section: Introductionmentioning

confidence: 99%

Improving the performance of calcium-containing spray formulations to limit the incidence of bitter pit in apple (Malus x domestica Borkh.)

Blanco

Fernández

Val

2010

Scientia Horticulturae

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Laboratory and field experiments were carried out with apples (Malus x domestica Bork) cv. 'Golden Reinders', to assess the efficacy of sodium salt of carboxymethyl ether of cellulose (0.5%, CMC) as an adjuvant for Ca spray formulations containing either Cachloride or Ca-propionate as active ingredient (120 or 250 mM Ca). This additive significantly increased the retention of Ca-containing solutions by the apple skin and prolonged the process of drying of the solution at room temperature. Four days after immersion of apples in 0.5% CMC plus CaCl 2 or Ca-propionate solutions (120 and 250 mM Ca) significant Ca increases were recorded in the peel and cortex of treated fruits. Application to apple trees of in-season sprays containing 250 mM CaCl 2 plus 0.05% Tween 20, Ca-propionate (120 and 250 mM Ca) plus 0.5% CMC or 250 mM CaCl 2 plus 0.5% CMC had no impact on fruit yield and quality, but significantly limited the rate of bitter pit incidence during the following 3-month cold-storage period. Evidence is provided that addition of appropriate adjuvants to Ca sprays can favour the distribution of Ca into the apple fruit and help to reduce the incidence of Ca-related disorders over the postharvest cold-storage period.

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“…Otherwise, to make plantation more economically successful, cost effective means that ensure high survival of these newly planted seedlings must be achieved (Thomas, 2008). Early at the end of 1980s, a product called 'moisture retention reagent' (hydrogel) was prepared (Nie et al, 2004). This hydrophilic polymer attracted great deal of research attention due to its intriguing properties and applications especially when the product is applied in planting media (Nie et al, 2004 andPeng et al, 2008).…”

mentioning

confidence: 99%

“…Early at the end of 1980s, a product called 'moisture retention reagent' (hydrogel) was prepared (Nie et al, 2004). This hydrophilic polymer attracted great deal of research attention due to its intriguing properties and applications especially when the product is applied in planting media (Nie et al, 2004 andPeng et al, 2008). This water-absorbing polymer or soil amendment may enhance plant survival through its ability to imbibe large amounts of water and exhibit high permeability to oxygen, nutrients, and water soluble metabolites, particularly in sandy soils (Al-Humaid, 2005, Al-Humaid and Moftah, 2007, Thomas, 2008Nguyen et al, 2009, Beniwal et al, 2010, Beniwal et al, 2011and Guyomard-Lack et al, 2012.…”

mentioning

confidence: 99%

Improving some Physical Properties of Sandy Soil and Conocarpus erectus L. Plant Growth by the Application of Hydrogel

2013

Egypt.J. Soil Sci.

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OIL physical properties of a growing medium are important ……. for optimal plant growth. The present factorial pot experiment was carried out at the Faculty of Agriculture, Cairo University, Giza, Egypt, during two successive seasons of 2010 and 2011. The study aimed at investigating the effects of synthetic commercial amendment (hydrogel) levels applied under two irrigation rates, to assess their influence on some sandy soil physical properties and buttonwood (Conocarpus erectus L.) seedlings growth traits. The irrigation rates were 65 and 35% of the available soil moisture depletion (ASMD), whereas the hydrogel levels were 0.00 (control), 0.05, 0.10 and 0.20%. Soil physical properties were evaluated by determining the total porosity, field capacity, wilting point, available water, and soil bulk density. Moreover, the plant height, root length, shoots and roots fresh and dry weights and shoots: roots ratio, as expressions of seedlings growth responses, were also measured. Generally, the sandy soil physical properties as well as the seedlings shoot and root growths were improved by increasing hydrogel concentration in the soil when compared to their controls. The two irrigation rates also affected both of the soil properties and the seedlings growth. Furthermore, the highest concentration of the hydrogel amendment under 35% ASMD prolonged the soil water loss time; increased the field capacity, which reflected on the soil available water; encouraged formation of aggregates that, in turn, decreased the soil bulk densities; and hence improved the seedling shoots and roots growth biometrics. This study demonstrates also that the addition of hydrogel to planting medium under different irrigation rates increases water use efficiency by preventing applied moisture from infiltrating beyond plant root zones and maximizing the portion of applied water available for plant uptake. Thereby amended sandy soil with hydrophilic-gel can be used in arid and semi-arid areas to provide a better environment for seedlings to grow.

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Factors on the preparation of carboxymethylcellulose hydrogel and its degradation behavior in soil

Cited by 103 publications

References 8 publications

Experimental Assessment of the Use of a Novel Superabsorbent polymer (SAP) for the Optimization ofWater Consumption in Agricultural Irrigation Process

Experimental Assessment of the Use of a Novel Superabsorbent polymer (SAP) for the Optimization ofWater Consumption in Agricultural Irrigation Process

Improving the performance of calcium-containing spray formulations to limit the incidence of bitter pit in apple (Malus x domestica Borkh.)

Improving some Physical Properties of Sandy Soil and Conocarpus erectus L. Plant Growth by the Application of Hydrogel

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