Results 21 to 30 of about 12,701 (222)

Alicyclic Polyimide/SiO2 Mixed Matrix Membranes for Water/n-Butanol Pervaporation

open access: yesMembranes, 2021
Alicyclic polyimides (PIs) have excellent properties in solubility, mechanical strength, thermal property, etc. This study developed two types of alicyclic PI-based mixed matrix membranes (MMMs) for water/n-butanol pervaporation application, which have ...
Ching-Wen Hsieh   +2 more
doaj   +1 more source

Scientific Opinion on Flavouring Group Evaluation 12, Revision 5 (FGE.12Rev5): Primary saturated or unsaturated alicyclic alcohol, aldehyde, acid, and esters from chemical groups 1, 7 and 8)

open access: yesEFSA Journal, 2014
The Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids of the European Food Safety Authority was requested to evaluate 15 flavouring substances in the Flavouring Group Evaluation 12, Revision 5, using the Procedure in Commission ...
EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF)
doaj   +1 more source

Scientific Opinion on Flavouring Group Evaluation 57, Revision 1 (FGE.57Rev1): consideration of isopulegone and three flavouring substances evaluated by JECFA (55th meeting) [PDF]

open access: yes, 2017
Publisher ...
Anastassiadou, Maria   +26 more
core   +3 more sources

Depolymerization and Reuse of Polycarbonates: Emerging Classes, Mechanisms and Challenges

open access: yesAngewandte 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

Scientific Opinion on Flavouring Group Evaluation 8, Revision 3 (FGE.08Rev3): Aliphatic and alicyclic mono‐, di‐, tri‐, and polysulphides with or without additional oxygenated functional groups from chemical groups 20 and 30

open access: yesEFSA Journal, 2011
The Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids of the European Food Safety Authority was requested to evaluate 70 flavouring substances in the Flavouring Group Evaluation 08, Revision 3, using the Procedure in Commission ...
EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF)
doaj   +1 more source

The chemistry of bisallenes

open access: yesBeilstein Journal of Organic Chemistry, 2012
This review describes the preparation, structural properties and the use of bisallenes in organic synthesis for the first time. All classes of compounds containing at least two allene moieties are considered, starting from simple conjugated bisallenes ...
Henning Hopf, Georgios Markopoulos
doaj   +1 more source

Carotenoids are the likely precursor of a significant fraction of marine dissolved organic matter. [PDF]

open access: yes, 2017
The ocean's biota sequester atmospheric carbon dioxide (CO2) in part by producing dissolved organic matter (DOM) that persists in the ocean for millennia.
Aluwihare, Lihini I   +5 more
core   +1 more source

Scientific Opinion on Flavouring Group Evaluation 18, Revision 2 (FGE.18Rev2): Aliphatic, alicyclic and aromatic saturated and unsaturated tertiary alcohols, aromatic tertiary alcohols and their esters from chemical groups 6 and 8

open access: yesEFSA Journal, 2011
The Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids of the European Food Safety Authority was requested to evaluate 32 flavouring substances in the Flavouring Group Evaluation 18, Revision 2, using the Procedure in Commission ...
EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF)
doaj   +1 more source

2-Phenethylamines in Medicinal Chemistry: A Review

open access: yesMolecules, 2023
A concise review covering updated presence and role of 2-phenethylamines in medicinal chemistry is presented. Open-chain, flexible alicyclic amine derivatives of this motif are enumerated in key therapeutic targets, listing medicinal chemistry hits and ...
Carlos T. Nieto   +4 more
doaj   +1 more source

Preparation and physical properties of phthalonitrile composite foam filled with hollow glass microspheres [PDF]

open access: yesE3S Web of Conferences, 2020
In this work, a series of phthalonitrile/hollow glass microsphere (HGM) composite foams for applications in the high temperature and flame retardant fields were prepared and characterized.
Yuan Ping   +7 more
doaj   +1 more source

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