Synthesis of fluorinated diisocyanates
β Scribed by Malik, A. A.; Tzeng, D.; Cheng, P.; Baum, K.
- Book ID
- 119993175
- Publisher
- American Chemical Society
- Year
- 1991
- Tongue
- English
- Weight
- 320 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0022-3263
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π SIMILAR VOLUMES
Imidazole-, 2-methylimidazole-and benzimidazole-blocked hexamethylene diisocyanate and isophorone diisocyanate have been prepared and characterized by elemental analyses, IR and NMR spectroscopy. The structureΒ±property relationship of these adducts has been established by reacting with hydroxyl-term
The synthesis of polyamide-imide (PAI) can be performed by the reaction of p-chlorophenol-(PCP) blocked 4,4 -diphenyl methane diisocyanates (BMDI) with trimellitic anhydride (TMA) using a two-stage heating. At 80ΠC the polyimide oligomers were first formed and the high molecular weight PAI can not b