ArticlePolymers2025
The Effects of Repeated Kurome Treatment on Chinese Lacquer and Its Film Properties.
Article in Polymers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Toward In Situ Stabilization of Raw Chinese Lacquer (Polymers · 2026Review
- Recent Advances in Modification Strategies and Functional Applications of Raw Lacquer: A Comprehensive Review.Materials (Basel, Switzerland) · 2026Review
- AI and AR based digital reconstruction of Liangshan Yi lacquerware.Scientific reports · 2026Article
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Authors and funding
6 authors.
Funding
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Abstract
This study systematically investigates the effects of repeated Kurome treatment-a physical modification method combining mechanical stirring and oxidative regulation-on the processing characteristics and film properties of Chinese lacquer (urushi). By subjecting raw lacquer to 1-4 cycles of hydration-dehydration (KL1-KL4), the researchers observed a significant increase in viscosity (from 12,688 to 16,468 mPa·s) and a dramatic reduction in curing time (from 74 h to just 3.6 h), driven by deep oxidation of urushiol and quinone-mediated crosslinking, as confirmed by FTIR spectroscopy. The Kurome treatment enabled controlled darkening (L* value decreased from 29.31 to 26.89) while maintaining stable hue and gloss (88.96-90.96 GU), with no adverse effects on abrasion resistance (mass loss of 0.126-0.150 g/100 r) or adhesion (9.58-9.75 MPa). The reduced transparency of the KL3/KL4 films is associated with a densified polymer network, a feature that may benefit protective coatings. Scanning electron microscopy (SEM) analysis confirmed the formation of uniform, defect-free surfaces across all treatment groups. Among them, the KL2 group (viscosity of 14,630 mPa·s, curing time of 9.2 h) exhibited the most favorable balance for industrial applications. This study establishes Kurome technology as a low-carbon, additive-free strategy that enhances the processability of Chinese lacquer while preserving its traditional craftsmanship standards, offering scientific support for its sustainable use in modern coatings and cultural heritage conservation.
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