ArticleMolecules (Basel, Switzerland)2024
Preparation and Application of Degradable Lignin/Poly (Vinyl Alcohol) Polymers as Urea Slow-Release Coating Materials.
Article in Molecules (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed, 20 citations in OpenAlex.
- Balancing Hydrogen Bonding and Crystallinity in Enzymatically Functionalized Lignin-Poly(vinyl alcohol) Composite Films.Polymers · 2026Article
- Preparation, characterization, and performance evaluation of a controlled-release inhibitor-enhanced nitrogen fertilizer.Frontiers in plant science · 2026Article
- Fabrication and postharvest application of alginate/pullulan composite films integrated with citral-loaded α-CD-MOFs for sustainable cherry storage.NPJ science of food · 2025Article
- Thermal, Rheological, and Moisture Absorption Behaviours of Polyvinyl Alcohol (PVA)/Lignin Composites.Polymers · 2025Article
- Aminated Lignin-Reinforced Biopolymer Hydrogels for Sustained Phosphate Delivery via Struvite Encapsulation in Acidic Environments.Global challenges (Hoboken, NJ) · 2025Article
Corrections and comments
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
Abstract
The massive amount of water-soluble urea used leads to nutrient loss and environmental pollution in both water and soil. The aim of this study was to develop a novel lignin-based slow-release envelope material that has essential nitrogen and sulfur elements for plants. After the amination reaction with a hydrolysate of yak hair keratin, the coating formulation was obtained by adding different loadings (2, 5, 8, 14 wt%) of aminated lignin (AL) to 5% polyvinyl alcohol (PVA) solution. These formulations were cast into films and characterized for their structure, thermal stability, and mechanical and physicochemical properties. The results showed that the PVA-AL (8%) formulation had good physical and chemical properties in terms of water absorption and mechanical properties, and it showed good degradation in soil with 51% weight loss after 45 days. It is suitable for use as a coating material for fertilizers. Through high-pressure spraying technology, enveloped urea particles with a PVA-AL (8%) solution were obtained, which showed good morphology and slow-release performance. Compared with urea, the highest urea release was only 96.4% after 30 days, conforming to Higuchi model, Ritger-Peppas model, and second-order dynamic model. The continuous nitrogen supply of PVA-AL coated urea to
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.