Fatigue strength of aromatic polyamideimide-aromatic polyamide fiber composite films.

Synthesis and Characterization of Aromatic–Aliphatic Polyamide Nanocomposite Films Incorporating a Thermally Stable Organoclay

Nanocomposites were synthesized from reactive thermally stable montmorillonite and aromatic-aliphatic polyamide obtained from 4-aminophenyl sulfone and sebacoyl chloride. Carbonyl chloride terminal chain ends were generated using 1% extra sebacoyl chloride that could interact chemically with the organoclay. The distribution of clay in the nanocomposites was investigated by XRD, SEM, and TEM. Me...

Oligomer orientation in vapor-molecular-layer-deposited alkyl-aromatic polyamide films.

The surface-limited molecular-layer deposition of alkyl-aromatic polyamide films using sequential doses of 1,4-butane diamine (BDA) and terephthaloyl dichloride (TDC) is characterized using in situ quartz crystal microbalance and ex situ spectroscopy analysis. For the first time, near-edge X-ray absorption fine structure (NEXAFS) spectroscopy is used to offer insight into molecular orientation ...

Nanofiltration Membranes Modified with Aromatic Polyamide Dendrimers Active Layers By

Development of an oligoamide coating as a surface mimetic for aromatic polyamide films used in reverse osmosis membranes.

We developed a method for the in situ synthesis of an oligoamide coating on gold. The resultant surface chemical composition, wettability, and chemical nature were comparable to aromatic polyamide films used as reverse osmosis membranes. Hence, the oligoamide wafer may be used in adsorption/fouling studies as a surface mimetic of reverse osmosis membranes.

Aromatic Iodides from Aromatic Organomercurials 13.2. Aromatic Bromides from Aromatic Organomercurials 13.3. Aromatic Chlorides from Aromatic Organomercurials 13.4. Aromatic Fluorides from Aromatic Organomercurials 13.5. Aromatic Nitriles from Aromatic Organomercurials 14. Improved Syntheses of Some Diaryliodonium Salts from Symmetric Diarylmercurials

This review reports some novel (or improved) synthetic methods for preparing a number of aromatic (carbocyclic and predominantly heterocyclic) organomercurials, particularly those derived from theophylline, theobromine and uracil, as well as some novel haloand cyano-demercuration reactions. We have also synthesized the first stable organic derivative of mercury(I), viz. 1,8-bis(acetoxydimercuri...