木材科学与技术2023，Vol.37Issue(6)：28-36,84,10.DOI:10.12326/j.2096-9694.2023067
精氨酸改性壳聚糖及其衍生物对纤维板降醛除味效果研究
Effect of Arginine Modified Chitosan and Its Derivatives on Reduction of Formaldehyde and Odor Emission from Fiberboards
摘要
Abstract
In this study,two new scavengers were prepared by using arginine(Arg)modified chitosan(CTS)or Hydroxypropyltrimethyl ammonium chloride chitosan(HACC).The effects of the new scavengers on the reduction of formaldehyde emission,VOCs,and odor from fiberboards were investigated.The results showed that after applying Arg-CTS and Arg-HACC,the formaldehyde emission from fiberboards were reduced by 57.89%and 75.00%respectively,The formaldehyde emission from Arg-HACC spray samples was lower under the combined action of chemical reactions and physical shielding.Although aldehydes,ketones,alcohols,and acid compounds from fiberboards were partially scavenged,the release of terpenes,esters,and aromatic compounds was enhanced by Arg-CTS,Arg-HACC.The odor substances with the odor activity value(OAV)greater than 1 in fiberboards mainly include hexanal(green grass flavor),heptanal(fruit flavor),octanal(sharp and powerful fat wax aroma with fruit and jasmine flavor),and nonanal(strong oil and sweet orange flavor).The OAV of these odor substances were significantly reduced by Arg-CTS or Arg-HACC.Furthermore,the deodorizing effect of Arg-HACC was better than that of Arg-CTS.Ultimately,the odor level of fiberboard samples sprayed with Arg-HACC purification agent decreased from level 3 to level 2.关键词
精氨酸-壳聚糖季铵盐溶液(Arg-HACC)净化剂/精氨酸-壳聚糖溶液(Arg-CTS)净化剂/纤维板/甲醛/挥发性有机化合物/气味Key words
Arg-HACC/Arg-CTS/fiberboard/formaldehyde/volatile organic compounds/odor分类
轻工纺织引用本文复制引用
王宁宁,邹献武,吕斌,付跃进,朱黎明,陈倩..精氨酸改性壳聚糖及其衍生物对纤维板降醛除味效果研究[J].木材科学与技术,2023,37(6):28-36,84,10.基金项目
国家重点研发计划"木质材料绿色制造与应用关键技术"子课题"刨花板与纤维板气味减控关键技术"(2022YFD2200704). （2022YFD2200704）
