Results 141 to 150 of about 26,167 (268)

Extraction of Phthalic Acid Esters and Di(2-ethylhexyl) Adipate from Tap and Waste Water Samples Using Chromabond® HLB as Sorbent Prior to Gas Chromatography-Mass Spectrometry Analysis [PDF]

open access: gold, 2020
Cecilia Ortega-Zamora   +4 more
openalex   +1 more source

Polyimide molding powder, coating, adhesive, and matrix resin [PDF]

open access: yes, 1992
The invention is a polyimide prepared from 3,4'-oxydianiline (3,4'-ODA) and 4,4'-oxydiphthalic anhydride (ODPA), in 2-methoxyethyl ether (diglyme). The polymer was prepared in ultra high molecular weight and in a controlled molecular weight form which ...
Progar, Donald J., St.clair, Terry L.
core   +1 more source

Tackifier for addition polyimides [PDF]

open access: yes
A modification to the addition polyimide, LaRC-160, was prepared to improve tack and drape and increase prepeg out-time. The essentially solventless, high viscosity laminating resin is synthesized from low cost liquid monomers. The modified version takes
Butler, J. M., St.clair, T. L.
core   +1 more source

The Synthesis and Bioactivity Study of Anthraquinones, And the Isolation of Bioactive Compounds from Leea Indica (Burm.F.) Merr. [PDF]

open access: yes, 2005
Damnacanthal and nordamnacanthal were synthesized due to their interesting property as cytotoxic agents against several cancer cell-lines. Friedel-Craft condensation reaction has been used to prepare anthraquinone back-bone in view of its less ...
Saha, Koushik
core  

Computational aided acetaminophen – phthalic acid molecularly imprinted polymer design for analytical determination of known and new developed recreational drugs

open access: bronze, 2020
María Paredes-Ramos   +5 more
openalex   +2 more sources

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