The results showed that modifier could greatly decrease the content of free formaldehyde of urea-formaldehyde resin.
结果表明，改性剂的添加对降低脲醛树脂胶粘剂的游离醛含量有显著的效果。
The paper developed a new synthetic technology of urea-formaldehyde resins, and the content of free formaldehyde was more than 0.3%.
提出了一种脲醛树脂合成思路，并合成出游离甲醛含量高于0.3%的树脂。
How to reduce the content of free formaldehyde and make it more environmental is the most important problem for the textile finishing workers.
如何减少游离甲醛含量，使整理后织物的性能越来越符合绿色环保的要求，一直以来是染整工作者们研究的热点。
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