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Engineering low band gap π‐conjugated polymers is a burgeoning area in basic and applied research. The main synthetic challenge lies in the solubility of the materials during the chemical synthesis which precludes the advance of the field. Here, we report an unprecedented on‐surface synthesis protocol to overcome such difficulties, being able to design poly(p‐anthracene ethynylene) molecular wires on an Au(111) surface. To this aim, a quinoid anthracene precursor endowed with =CBr2 moieties is deposited and annealed to 400 K resulting in anthracene‐based polymers, with a measured electronic bandgap of 1.5 eV. High‐resolution non‐contact atomic force microscopy with a CO functionalized tip unambiguously corroborates the nature of the ethynyl.
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Polyolefin Waste Could Be Turned into Polymers: Research at Purdue University.
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PlasticsToday 02/14/2019 21:18
Evonik launches new polymer powder for 3D printing applications in higher temperature range.
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Hindu Business Line (India) 02/14/2019 10:55
Our Bureau Indofil Industries, KK Modi-promoted crop protection and speciality chemicals firm, on Thursday announced joining hands with Italy-based Reagens to produce green polymer additives from the former’s plant at Ankleshwar, a press statement said.
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BIOENGINEER.ORG 02/13/2019 12:29
Each year, about 27 million tires end up in landfills, dumps and stockpiles, where they pose health and environmental hazards. These tires could get a second life as components of the roads they once traveled, but blends of ground tires and asphalt can be unstable. Now, researchers have identified polymer additives that increase the storage […]
Journal of the American Chemical Society. DOI: 10.1021/jacs.8b12499.
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The constant development of the coating techniques has led to the latest achievements, which have led to the formation of nanoporous polymer layers on textile substrates that make the textile fabrics water-resistant.
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Org. Biomol. Chem. , 2019, Advance Article DOI : 10.1039/C9OB00049F, Paper. Wontae Joo, Christopher W. Bielawski A new photochromic diene was synthesized, demonstrated to undergo reversible electrocyclization, and polymerized to afford a fluorescent polyelectrolyte. To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed © The Royal Society of Chemistry.
Plastics News 02/12/2019 16:02
Officials with McHenry, Ill.-based Chroma said the deal allows their firm "to grow its manufacturing footprint, along with its suite of ... technologies to better serve existing and prospective customers."
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Electropages 02/12/2019 08:07
Available now from TTI Europe is the new Panasonic ZS … More >
More from Electropages: 02/11/2019 08:44
LightFab GmbH, Bartels Mikrotechnik GmbH, Miltenyi Biotec GmbH, and Fraunhofer ILT are jointly executing the HoPro-3D project, a plan to create a new machine for producing macroscopic polymer structures with a resolution in the sub-μm range. The multiphoton polymerization is suitable for constructing even finer structures. In this process, the necessary photon energy is generated by intense laser pulses with wavelengths in the visible or IR range, with several low-energy photons virtually adding up to a UV photon. The advantage is the extremely high precision of up to 100 nm in all three spatial directions; however, the build rate is only about 10 μm³/s. The project partners are now combining the digital light processor-based process with t.
PR Newswire 02/11/2019 03:00
SELBYVILLE, Del., Feb. 11, 2019 /PRNewswire/ -- The Drug Integrated Polymer Fibers Market revenue is expected to grow from USD 53.51 million in 2017 to USD 88.8 million by 2025, according to a 2019 Global Market Insights, Inc. report. A rising population, improved healthcare facilities in ...
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