| 以乙烯基酯树脂为多元醇制备聚氨酯硬质泡沫塑料的研究 |
| |
| 引用本文： | 窦东友,金建锋.以乙烯基酯树脂为多元醇制备聚氨酯硬质泡沫塑料的研究[J].医学教育探索,2000(3):255-260. |
| |
| 作者姓名： | 窦东友 金建锋 |
| |
| 作者单位： | 华东理工大学材料科学与工程研究所!上海200237 |
| |
| 摘 要： | 研究了用乙烯基酯树脂（ＶＥＲ）直接代替通常的聚醚或聚酯型多元醇制备聚氨酯（ＰＵ）硬质泡沫塑料的可能性。实验结果表明，发泡配方中促进氨酯化反应的催化剂Ｎ，Ｎ－二甲基环己胺能与ＢＰＯ复合形成室温引发体系，加速ＶＢＲ的共聚合反应，影响了ＰＵ硬质泡沫塑料形成过程中的发泡与凝胶反应，导致泡了孔骨架基材的交联密度较低，泡孔结构不规整，并显示出较差的物理性能。以ＡＩＢＮ为引发剂时，反应初期主要进行氨酯化反应；仅
|
| 关 键 词： | 聚氨酯 硬质泡沫塑料 VER 自由基共聚 |
Rigid Polyurethane Foams Prepared with Vinyl Ester Resin as Polyol |
| |
| DOU Dong you,JIN Jian feng,HU Chun pu.Rigid Polyurethane Foams Prepared with Vinyl Ester Resin as Polyol[J].Researches in Medical Education,2000(3):255-260. |
| |
| Authors: | DOU Dong you JIN Jian feng HU Chun pu |
| |
| Abstract: | A new kind of rigid polyurethane(PU) foams were successfully prepared with vinyl ester resin containing hydroxyl groups as polyol directly. In this case, VER can not only react with isocyanate to form PU, but can also be copolymerized to form the network |
| |
| Keywords: | vinyl ester resin polyurethane free radical initiator rigid foam physical property |
|
| 点击此处可从《医学教育探索》浏览原始摘要信息 |
| 点击此处可从《医学教育探索》下载免费的PDF全文 |
