The chemical structure of the resin was analyzed according to the analysis results and preparation, which were further compared with the ATR spectroscopy.
2
作为木质复合材料基体而被广泛使用的脲醛树脂，其结构与性能之间的关系，一直是企业界所关注的焦点。
As a matrix of wood composite, urea-formaldehyde resin has been used extensively, and the relationship between its structure and performance is also one focus for enterprises.
3
讨论了乙醇改性的脲醛树脂结构，以及防火剂的组成及其作用机理。
The structure of modified urea resin, composition of fire retardant and its mechanism were discussed.
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