Results 51 to 60 of about 26,167 (268)
Depolymerization and Reuse of Polycarbonates: Emerging Classes, Mechanisms and Challenges
Angewandte Chemie, Volume 138, Issue 19, 4 May 2026.This review collects the latest developments in the area of chemical and catalytic polycarbonate recycling strategies and includes the controlled degradation of similar types of macromolecules. Apart from the main strategies for deconstruction, the key mechanistic features of these depolymerization processes are also discussed together with the ...
Davide Rigo +4 more
wiley +2 more sources
Results in Chemistry, 2021 Phthalates are esters of phthalic anhydride. Phthalic anhydride (1) has been reacted with alcohols 2 to synthesize phthalate monoesters 3 and diesters 4 with the favor of latter compound that primarily used as plasticizers worldwide.
Gan B. Bajracharya +5 more
doaj +1 more source
Polyimide processing additives [PDF]
, 1992 A process for preparing polyimides having enhanced melt flow properties is described. The process consists of heating a mixture of a high molecular weight poly-(amic acid) or polyimide with a low molecular weight amic acid or imide additive in the range ...
Burks, Harold D. +4 more
core +1 more source
Novel Fmoc-Polyamino Acids for Solid-Phase Synthesis of Defined Polyamidoamines [PDF]
, 2011 A versatile solid-phase approach to sequence-defined polyamidoamines was developed. Four different Fmoc-polyamino acid building blocks were synthesized by selective protection of symmetrical oligoethylenimine precursors followed by introduction of a ...
Badgujar, Naresh +2 more
core +1 more source
Angewandte Chemie International Edition, EarlyView.This study presents the synthesis and binding properties of a new family of o‐terphenyl‐based macrocycles, TP[n] (n = 2‐8). The trimer variant efficiently binds phenylalanine in water with a 10‐fold selectivity compared to other amino acids and aromatic neurotransmitters.
Swapnil Ghule +5 more
wiley +1 more source
2-Amino-5-chloropyridinium 2-carboxybenzoate–benzene-1,2-dicarboxylic acid (3/1)
Acta Crystallographica Section E, 2010 The asymmetric unit of the title compound, 3C5H6ClN2+·3C8H5O4−·C8H6O4, contains three independent 2-amino-5-chloropyridinium cations, three independent hydrogen phthalate anions and one phthalic acid molecule.
Hoong-Kun Fun, Madhukar Hemamalini
doaj +1 more source
Reproductive and developmental effects of phthalate diesters in females. [PDF]
, 2013 Phthalate diesters, widely used in flexible plastics and consumer products, have become prevalent contaminants in the environment. Human exposure is ubiquitous and higher phthalate metabolite concentrations documented in patients using medications with ...
Chambers, Christina +2 more
core +1 more source
The Canadian Journal of Chemical Engineering, EarlyView.Abstract The synthesis and characterization of an amphiphilic nitroxide to be used as a controlling agent in a nitroxide‐mediated living radical polymerization in aqueous dispersion media is presented. In the first stage of nitroxide synthesis (phthalimide protection), two reaction methods were employed: traditional and microwave.
Enrique García‐Leal +3 more
wiley +1 more source
Majallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Bābul, 2018 BACKGROUND AND OBJECTIVE: Phthalic acid has high toxicity and low degradability which has put treatment of wastewater containing this compound prior to prevent its health and environmental hazards.
M Yegane badi +8 more
doaj
Polymeric foams from cross-linkable poly-N-ary lenebenzimidazoles [PDF]
, 1978 Foamed cross-linked poly-N-arylenebinzimidazoles are prepared by mixing an organic tetraamine and an ortho substituted aromatic dicarboxylic acid anhydride in the presence of a blowing agent, and then heating the prepolymer to a temperature sufficient to
Delano, C. B. +2 more
core +1 more source