HPAM/HEC were selected as the right foam stabilizer, a new foaming system was developed.
在保证一定起泡能力的前提下，筛选出了混合稳泡剂HPAM/HEC，研制了一种新的起泡体系。
2
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。
3
The invention is mainly prepared by crop straw, polyisocyanate or isocyanate prepolymer, water, foam kicker, foam stabilizer and foaming agent.