摘要
以甲醛、苯酚为原料，盐酸为强酸催化剂、醋酸锌为弱酸盐催化剂，采用分段聚合方式，合成了聚合速度30-40s、软化点85～95℃的速聚型热塑性酚醛树脂。树脂的热塑性质和邻位、对位结构通过DSC、FT—IR确证。树脂的热稳定性通过TG测定。
Fast curing novolaks was prepared using HCI and zinc acetate as catalyst through two step manner, cure time of novolaks were range from 30 to 40 s and softening point range from 80℃ to 90℃. The structure of novolaks was characterized by DSC and FT-IR. Thermal stability of the resin was characterized by TG.
出处
《中国材料科技与设备》
2008年第5期81-83,共3页
Chinese Materials Science Technology & Equipment
关键词
酚醛树脂
速聚
合成
Novolaks
Fast curing
Synthesis
