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该研究采用一类新型的、水溶性的、无毒害、无污染的以多元羧酸类化合物为酯化剂，以无机盐和含氮化合物为催化剂的非甲醛系试剂为交联体系，利用ＦＴＩＲ分析多元羧酸类化合物与木材组分的交联反应过程的波谱特征。依据反应对交联剂立体构型的选择性、反应中间体模型物与木材的交联反应和交联反应中间体的波谱特征实验结果，证实了交联反应中间体的存在，推证这一酯化反应的历程是经历两步反应的机理，首先多元羧酸中相邻羧基的羟基之间脱水形成五元环酸酐中间体，然后木材的羟基与酸酐发生亲核取代反应形成酯。而不是经历了通常的羧酸与醇直接脱水形成酯的四面体中间物的过程。
In this study, a new type of water-soluble, non-toxic, non-polluting polycarboxylic acid ester as the esterification agent, inorganic salts and nitrogen compounds as a catalyst for non-formaldehyde system for the crosslinking system, the use of FTIR The spectral characteristics of the cross-linking reaction of polycarboxylic acids with wood components were analyzed. According to the reaction of the cross-linking agent stereoconfiguration selectivity, reaction intermediates and wood cross-linking reaction and cross-linking reaction intermediates spectral characteristics of the experimental results confirmed the presence of cross-linking reaction intermediates, concluding that The process of esterification is a two-step reaction mechanism. Firstly, the hydroxyl groups of the adjacent carboxyl groups in the polycarboxylic acid are dehydrated to form the five-membered cyclic anhydride intermediate. Then, the hydroxyl group of the wood undergoes a nucleophilic substitution reaction with the acid anhydride to form an ester. Instead of undergoing the usual process of dehydration of carboxylic acids and alcohols to form ester tetrahedral intermediates.