One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, Product Details of 18959-30-3, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 18959-30-3, Name is 4,5-Difluorophthalic Anhydride, molecular formula is C8H2F2O3
Synthesis and characterization of soluble phenylethynyl-terminated imide oligomers derived from pyromellitic dianhydride and 2-phenyl-4,4?- diaminodiphenyl ether
Novel addition-type imide oligomer (degree of polymerization: n = 1-10) derived from 1,2,4,5-benzenetetracarboxylic dianhydride (PMDA), 2-phenyl-(4,4?-diaminodiphenyl ether) (p-ODA) which has asymmetric and non-planar structure, and 4-phenylethynylphthalic anhydride was synthesized for the matrix resin of high heat resistant carbon fiber-reinforced composites. The uncured imide oligomers (degree of polymerization: n = 1-4) showed good solubility (more than 30 wt.%) in aprotic solvents such as N-methyl-2- pyrrolidone (NMP). These imide oligomers also showed a very low viscosity. These data were accomplished by preventing the aggregation caused by the pendant phenyl group of p-ODA. The imide oligomers were successfully converted to cross-linked structures after curing at 370 C. The glass transition temperature and elongation at break (epsilonb) of the cured imide resin were found to be very high (almost 360 C and >15%) respectively.
Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. Product Details of 18959-30-3, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 18959-30-3, in my other articles.
Reference£º
Benzofuran – Wikipedia,
Benzofuran | C8H2955O – PubChem