This paper mainly presents the effect of secondary adding formaldehyde on the properties of UF Resin and puts forward the best way to select the producing technology.
本文主要介绍了二次甲醛投料对脲醛树脂性能的影响以及提出选择生产工艺的最佳方案。
This paper also indicated that the yield of formaldehyde may be increased obviously by adding some water to methylal.
文中提出在原料中添加适量水可以显著提高甲醛收率。
Phenolic resin was synthesized mainly from phenol and formaldehyde as raw material. The phenolic foam was prepared by adding foam stabilizer, foaming and curing agent.
以苯酚、甲醛为主要原料合成了可发性碱催化酚醛树脂，并加入匀泡剂、发泡剂和固化剂制备了酚醛泡沫。
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