The flexible chain segments in polyether amine,and siloxane oil were bonded into dense cross-linked network of epoxy resins through backbone of epoxy resins or hardener.
有机硅与聚醚柔性链段通过环氧树脂主链或固化剂键合到致密的环氧树脂交联网络中。
参考来源 - 有机硅聚醚胺增韧改性环氧树脂的研究To improve strength of shell mould,the effects of coated temperature,cooling rate before adding hardener,and the diameter of original sands on tensile strength at high and normal temperature were investigated respectively.
为提高铸造用覆膜砂壳型强度,考察了覆膜砂制备工艺中覆膜温度、加入固化剂前的冷却速率、原砂粒径等参数对壳型热态和常温抗拉强度的影响。
参考来源 - 覆膜砂制备工艺的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
N a person or thing that hardens 硬化者 ; 硬化剂
应用推荐