端氨基聚醚

端氨基聚醚

Amine-___ (ATPEs) were first synthesized in the 1950s。with Texaco being the first company to industrialize their n and sell a series of ATPE-based curing agents under the brand name Jeffamine in the 1960s。It wasn't until 1981 that ___ in the second n RIM system。resulting in a new n RIM system that only ___。known as polyurea RIM system。In the mid-1980s。Texaco ___ (SPUA) technology。which drew more n to the development of ATPEs。Since then。many companies have industrialized the n of ATPEs.

Comparing us ATPE products currently available。it can be seen that ATPEs are a type of ___ and an amino or amine group (usually containing active ___ amine。primary amine。or polyamine___。polypropylene oxide diamine。___。polypropylene ___。___ of the terminal hydroxyl groups。___。depending on whether the molecular chain contains an aromatic group。they can be ___.