Natural resin-derived adhesives for sticky insect traps: Development and field evaluation in mustard and okra

IF 4 3区材料科学 Q2 ENGINEERING, CHEMICAL

International Journal of Adhesion and Adhesives Pub Date : 2026-03-01 Epub Date: 2025-12-02 DOI:10.1016/j.ijadhadh.2025.104244

Nandkishore Thombare , A. Mohanasundaram , Kewal Krishan Sharma

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Abstract

This study reports the development of eco-friendly, non-drying adhesives for sticky insect traps from natural lac resin. The lac was chemically modified to bleached hydrolyzed lac (HL), which served as the adhesive base, and this synthesis was optimized through alkaline hydrolysis and in situ bleaching. The HL was blended with co-formulants, including dewaxed-decolorized lac (DDL), castor oil, essential oils (basil and mustard), and diluents, to enhance tackiness and insect attraction. The formulations were evaluated for viscosity, acid value, FTIR, and adhesive strength, and compared with the commercial glue, Chipku. Field trials in mustard and okra using yellow cylindrical traps showed that HL-DDL formulations captured 254–263 sucking pests per trap (aphids, thrips, whiteflies) with 84.6–86.2 % efficacy compared to Chipku. The resin-based glues were odorless, safe, and suitable for organic farming. This is the first report on hydrolyzed lac adhesives for agricultural pest control, offering a green alternative to synthetic glues.

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粘虫诱捕用天然树脂粘合剂：芥菜和秋葵的开发和现场评价

本研究报告了以天然紫胶树脂为原料，开发环保、不干燥的粘虫诱捕剂。对紫胶进行了化学改性，得到了漂白水解紫胶（HL）作为胶粘剂，并通过碱水解和原位漂白对其合成进行了优化。HL与包括脱蜡脱色紫胶（DDL）、蓖麻油、精油（罗勒和芥末）和稀释剂在内的共制剂混合，以增强粘性和吸引昆虫。对配方的粘度、酸值、FTIR和粘接强度进行了评估，并与商用胶水Chipku进行了比较。用黄色筒形诱捕器对芥菜和秋葵进行田间试验表明，HL-DDL制剂每个诱捕器捕获254 ~ 263只吸虫（蚜虫、蓟马、粉虱），与Chipku相比，其有效性为84.6 ~ 86.2%。树脂基胶水无味，安全，适合有机农业。这是第一次报道水解紫胶用于农业害虫防治，提供了一个绿色的替代合成胶。

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来源期刊

International Journal of Adhesion and Adhesives 工程技术-材料科学：综合

CiteScore

6.90

自引率

8.80%

发文量

200

审稿时长

8.3 months

期刊介绍： The International Journal of Adhesion and Adhesives draws together the many aspects of the science and technology of adhesive materials, from fundamental research and development work to industrial applications. Subject areas covered include: interfacial interactions, surface chemistry, methods of testing, accumulation of test data on physical and mechanical properties, environmental effects, new adhesive materials, sealants, design of bonded joints, and manufacturing technology.