2022
DOI: 10.1016/j.jiec.2022.05.012
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Sustainable bio-based dialdehyde cellulose for transforming crystalline urea–formaldehyde resins into amorphous ones to improve their performance

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Cited by 9 publications
(5 citation statements)
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“…In contrast, the structure of UF resin modified by UPA 6N is amorphous, indicating that the high branching degree of UPA 6N hinders the ordered arrangement of hydrogen bonds in low molar ratio UF resin. More importantly, Park et al studied the crystallinity of UF resin with high and low molar ratios by using XRD patterns and reached the same conclusion as in this work [6,12].…”
Section: Structure Analysis Of Uf Resin and Uf-upa6n Resinsupporting
confidence: 75%
See 1 more Smart Citation
“…In contrast, the structure of UF resin modified by UPA 6N is amorphous, indicating that the high branching degree of UPA 6N hinders the ordered arrangement of hydrogen bonds in low molar ratio UF resin. More importantly, Park et al studied the crystallinity of UF resin with high and low molar ratios by using XRD patterns and reached the same conclusion as in this work [6,12].…”
Section: Structure Analysis Of Uf Resin and Uf-upa6n Resinsupporting
confidence: 75%
“…UF resins were first synthesized in 1884 with the advantages of high reactivity, low cost, low cure temperature, high bonding strength, a colorless glue line, and so forth. Unfortunately, the major disadvantages of UF adhesives are free formaldehyde emission from them bonded wood-based panels and poor durability under high humidity conditions, especially when combined with heat [5,6]. Hence, the modification of UF adhesives is a critical research topic.…”
Section: Introductionmentioning
confidence: 99%
“…The wood was cut into 0.6-mm thick pieces ( L ) and soaked in a mixture of 2.5 mol/L NaOH and 0.4 mol/L Na 2 SO 3 for 3 days. , The wood was removed and soaked in boiling water for 4 h, followed by soaking in H 2 O 2 (8 wt %) for 12 h to obtain an ultrathin, flexible wood substrate. The flexible wood base was placed in a 0.02 mol/L NaIO 4 solution (pH = 3.0, adjusted using H 2 SO 4 ), stirred for 8 h, removed, washed with DI water, and moisturized to a moisture content of 12% (LM) . BP crystals (0.05 g) were ground and added to DI water (50 mL), sonicated for 2.5 h, and filtered.…”
Section: Methodsmentioning
confidence: 99%
“…The flexible wood base was placed in a 0.02 mol/L NaIO 4 solution (pH = 3.0, adjusted using H 2 SO 4 ), stirred for 8 h, removed, washed with DI water, and moisturized to a moisture content of 12% (LM). 32 BP crystals (0.05 g) were ground and added to DI water (50 mL), sonicated for 2.5 h, and filtered. Clarithromycin (0.04 g) was added to the BP dispersion and sonicated for 2 h to obtain drug-laden BP.…”
Section: ■ Experimental Detailsmentioning
confidence: 99%
“…Urea formaldehyde (UF) adhesives have the advantages of a high bonding strength, simple synthesis process, and low cost [1,2], and they have been widely used in plywood manufacturing. However, there are some obvious disadvantages of UF resin adhesives, such as poor water resistance, high brittleness of the cured adhesive layer [3,4], and high formaldehyde emissions, which have become long-standing challenges in the plywood industry [5]. Formaldehyde, a typical carcinogen which is released from UF resin products, is hazardous to human health for both resin producers and consumers [6,7].…”
Section: Introductionmentioning
confidence: 99%