ArticleRSC advances2025
Synthesis of an exfoliated kaolinite-poly(urea-formaldehyde) nanocomposite.
Article in RSC advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
Corrections and comments
- Erratum issued
Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this study, kaolinite-poly(urea-formaldehyde) was successfully prepared through the polymerization of urea intercalated within the kaolinite structure. Polymerization was carried out under ambient conditions by immersing kaolinite-urea in formaldehyde. Evidence of urea intercalation and polymerization was obtained from FTIR, XRD, and thermal analysis (TG-DSC). The XRD pattern of the kaolinite-poly(urea-formaldehyde) composite shows that polymerization induces exfoliation of the kaolinite layers, leading to the formation of a nanocomposite. Textural analysis through nitrogen adsorption on raw kaolinite and kaolinite-urea demonstrates that polymerization mainly occurs within the interlayer. Water resistance tests show that poly(urea-formaldehyde) within the nanocomposite is less sensitive to decomposition when immersed in water compared to pristine poly(urea-formaldehyde). Additionally, a self-healing effect was observed for poly(urea-formaldehyde) in the nanocomposite, indicating that fragments from the decomposition of the intercalated polymer when immersed in water remain trapped within the composite matrix owing to interactions with kaolinite mineral layers. Modeling of kaolinite-poly(urea-formaldehyde) interactions allows for the proposal of a mechanism for the interlayer polymerization of intercalated urea.
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Registered trials
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