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Oxidized cornstarch – Urea wood adhesive for interior particleboard production
International Journal of Adhesion and Adhesives ( IF 3.2 ) Pub Date : 2021-07-07 , DOI: 10.1016/j.ijadhadh.2021.102947
Salise Oktay 1 , Nilgün Kızılcan 1, 2 , Basak Bengu 3
Affiliation  

Herein, a green binder formulation which contains oxidized corn starch (OCS) and urea (U) was developed for wood-based panel production. The obtained adhesive structure was strengthened by using titanium dioxide nanoparticle (nano-TiO2). Solid content and viscosity of the synthesized adhesives were determined. Chemical, crystalline structure and morphological properties of the synthesized adhesives, native and oxidized corn starch were investigated. Moreover, laboratory scale particleboards were produced by using a hybrid adhesive system. Mechanical tests of the boards were performed to examine the quality of OCS – U based adhesive and the obtained results evaluated in dry medium (P2) according to European norms EN 312 (2010). Formaldehyde content of the boards were measured by using the perforator method. The results showed that developed OCS – U based adhesive can be used with traditional melamine urea formaldehyde resin (MUF) as a hybrid adhesive system for producing particleboards with low formaldehyde content.



中文翻译:

氧化玉米淀粉 – 用于室内刨花板生产的尿素木材粘合剂

在此,开发了一种包含氧化玉米淀粉 (OCS) 和尿素 (U) 的绿色粘合剂配方,用于人造板生产。通过使用二氧化钛纳米颗粒(nano-TiO 2)。测定合成粘合剂的固含量和粘度。研究了合成粘合剂、天然和氧化玉米淀粉的化学、晶体结构和形态特性。此外,实验室规模的刨花板是通过使用混合粘合剂系统生产的。根据欧洲标准 EN 312 (2010) 对板材进行机械测试以检查基于 OCS-U 的粘合剂的质量,并在干燥介质 (P2) 中评估获得的结果。板材的甲醛含量采用穿孔法测定。结果表明,开发的基于 OCS-U 的粘合剂可与传统的三聚氰胺脲醛树脂 (MUF) 一起用作混合粘合剂系统,用于生产低甲醛含量的刨花板。

更新日期:2021-07-09
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