Xiao, H. X.; Frisch, K. C.; Hsu, G. S. L.; Al-Salah, H. A. published an article in 1991, the title of the article was Polyurethane ionomers.Recommanded Product: 2160-93-2 And the article contains the following content:
Two types of urethane ionomers (cationomers and anionomers) were prepared and their structure-properties relationships examined The mech. properties and glass transition temperatures (Tg) of urethane cationomers increased with decreasing mol. weight of the polyols, and increasing concentrations of quaternary ammonium ions and degree of quaternization. The mech. properties and Tg’s of the cationomers decreased when isophorone diisocyanate was substituted by MDI. Comparing a series of N-alkyldiethanolamine chain extenders in urethane cationomers N-methyldiethanolamine based cationomers exhibited the best properties. Both mech. properties and Tg’s of urethane anionomers increased with increasing ionic potential (Θ) or charge-to-distance ratio (q/a) in nontransition mono- and divalent metals based anionomers. However, no relationship between Θ or q/a and mech. properties of Tg’s could be established in the transition divalent metals-based anionomers. Some interesting applications of urethane ionomers in foams and coatings are discussed which showed many potential applications of urethane ionomers in various industries. The experimental process involved the reaction of 2,2′-(tert-Butylazanediyl)diethanol(cas: 2160-93-2).Recommanded Product: 2160-93-2
The Article related to polyurethane cationomer anionomer preparation property, Plastics Manufacture and Processing: Preparation Of Resins and other aspects.Recommanded Product: 2160-93-2
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