Results 81 to 90 of about 2,339 (147)

ε-Caprolactam [PDF]

open access: yes
The German Senate Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area (MAK Commission) summarized and re-evaluated the data for ε-caprolactam [105-60-2] to derive an occupational exposure limit value (maximum ...
Arand, Michael   +2 more
core   +1 more source

Transformative 4D Printed SMPs into Soft Electronics and Adaptive Structures: Innovations and Practical Insights

open access: yesAdvanced Materials Technologies, Volume 10, Issue 19, October 7, 2025.
This review highlights recent advancements in 3DP techniques that incorporate emerging multifunctional SMP materials for applications in e‐electronics, soft actuators, biomedical devices, and more. Abstract Shape memory polymers (SMP) have recently gained significant attention as multifunctional materials for flexible and wearable electronics ...
Muhammad Yasir Khalid   +4 more
wiley   +1 more source

Adapting an acyl CoA ligase from Metallosphaera sedula for lactam formation by structure-guided protein engineering

open access: yesFrontiers in Catalysis
The CoA ligase from Metallosphaera sedula (MsACL) can be used for the chemoenzymatic synthesis of amides from carboxylic acids. In this CoA-independent conversion, the enzyme catalyzes the adenylation of a carboxylic acid with the help of ATP, followed ...
Nikolas Capra   +7 more
doaj   +1 more source

Evolution FP7 funded project: body structure design strategies using new composite and aluminium materials and enabled technologies [PDF]

open access: yes, 2017
Based on Pininfarina Nido EV concept, EVolution aims to reduce the vehicle weight through new materials and process technologies, focused on five demonstrators: underbody, front crossbeam, mechanical subframe, shotgun system and door.
Alcalde, Estibaliz   +12 more
core   +1 more source

Structure–properties relationship in single polymer composites based on polyamide 6 prepared by in-mold anionic polymerization [PDF]

open access: yes, 2013
Single polymer composites (SPCs) based on polyamide 6 (PA6) were prepared by in-mold activated anionic ring-opening polymerization (AAROP) of capro- lactam in the presence of PA6 textile fibers.
Denchev, Z.   +4 more
core   +1 more source

Chemical characterization of mixed plastic pyrolysis oils relevant for cracker reintegration by advanced two-dimensional gas chromatography

open access: yesFuel Processing Technology
Pyrolysis oils are the crucial link between waste and chemicals in plastic recycling via pyrolysis. Oils from mixed plastic waste pyrolysis are complex mixtures of organic compounds typically containing impurities of nitrogen, oxygen, and chlorine ...
Niklas Netsch   +7 more
doaj   +1 more source

On the Beckmann Rearrangement in Liquid Sulfur Dioxide. I : Synthesis of ε-Caprolactam [PDF]

open access: yes, 2010
The formation of ε-caprolactam from cyclohexanone oxime by the Beckmann rearrangement in liquid sulfur dioxide has been studied. When sulfuric anhydride SO_3 was used as a rearrangement reagent and the process was carried out at 20℃, the reaction ...
ASAMI Ryuzo   +2 more
core   +1 more source

Synthesis and characterization of alternating poly(amide urea)s and poly(amide urethane urethane)s from ε-caprolactam, diamines, and diphenyl carbonate or ethylene carbonate [PDF]

open access: yes, 2003
Alternating poly(amide urea)s from ε-caprolactam, diamines H2N-(CH2)x-NH2 (x = 2 - 4), and diphenyl carbonate were prepared in two steps. The microstructure of the poly(amide urea)s, as determined by means of 1H NMR spectroscopy, reveals a strictly ...
Benthem, Rolf van   +5 more
core   +4 more sources

Highly efficient catalyzed by imidazolium-based dual-sulfonic acid functionalized ionic liquids for liquid phase Beckmann rearrangement: experiments and COSMO-RS calculations

open access: yesGreen Chemical Engineering
A production technique with the high yield and environmentally friendly process need be developed for ε-Caprolactam (CPL) in the chemical industry. This technology is highly desired to design and synthesize high−performance catalysts for liquid phase ...
Xin Guo   +10 more
doaj   +1 more source

Engineering Polymers through Impact Modification and Superheated Liquid Processing [PDF]

open access: yes, 2016
A new approach to toughen anionically polymerized polyamide 6 (aPA6) was applied using reaction induced phase separation (RIPS). This method solved issues with particle dispersion, mixture viscosity, and additive concentration common with conventional ...
Evans, Gregory Connor
core   +2 more sources

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