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Development of bio-based cornstarch - Mimosa tannin - sugar adhesive for interior particleboard production
Industrial Crops and Products ( IF 5.9 ) Pub Date : 2021-06-04 , DOI: 10.1016/j.indcrop.2021.113689
Salise Oktay , Nilgün Kızılcan , Başak Bengü

There are significant challenges related to practical applications of formaldehyde-based wood adhesives due to their formaldehyde content and fossil-based raw materials. Herein, a bio-based wood adhesive formulation that contains cornstarch (CS), Mimosa tannin (MT), sugar (S), and citric acid (CA) was developed. The solid content, curing time, and viscosity of the synthesized adhesive was determined. Chemical and thermal properties of the synthesized adhesive were investigated by using Fourier Transformed Infrared Spectroscopy (FT-IR) and Differential Scanning Calorimetry (DSC) analysis, respectively. Moreover, laboratory-scale particleboards were produced to examine the quality of the developed resin formulation. Obtained results evaluated in dry medium (P2) according to European norms EN 312 (2010). In addition to the resin used as a binder in particleboard production, wood raw material, press parameters, and environmental factors affect the board's formaldehyde content. Therefore, although the bio-based resin was synthesized in the study, the board formaldehyde content was measured by using the perforator method according to European Norm EN 12460-5.



中文翻译:

开发用于室内刨花板生产的生物基玉米淀粉-含羞草单宁-糖粘合剂

由于其甲醛含量和化石基原材料,甲醛基木材粘合剂的实际应用存在重大挑战。在此,开发了一种含有玉米淀粉 (CS)、含羞草单宁 (MT)、糖 (S) 和柠檬酸 (CA) 的生物基木材粘合剂配方。测定合成粘合剂的固含量、固化时间和粘度。分别使用傅里叶变换红外光谱 (FT-IR) 和差示扫描量热法 (DSC) 分析来研究合成粘合剂的化学和热性能。此外,还生产了实验室规模的刨花板,以检查开发的树脂配方的质量。根据欧洲规范 EN 312 (2010) 在干燥介质 (P2) 中获得评估结果。除了在刨花板生产中用作粘合剂的树脂外,木材原材料、压机参数和环境因素都会影响刨花板的甲醛含量。因此,虽然在研究中合成了生物基树脂,但根据欧洲规范 EN 12460-5 使用穿孔法测量板甲醛含量。

更新日期:2021-06-04
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