Results 321 to 330 of about 557,117 (387)

A Polystyrene−Oligothiophene−Polystyrene Triblock Copolymer

Journal of the American Chemical Society, 1998
A well-defined triblock copolymer is synthesized by using a strategy in which the a-coupling of 11 thiophene rings of the middle block and the monodispersity (d.p. = 30 and 1.1) of the two polystyrene outer blocks is ensured. Monofunctional polystyrene is modified with an a-terthiophene unit and two of these units are coupled in a double Stetter ...
Hempenius, M., Langeveld-Voss, B., Haare, J., Janssen, R., Sheiko, S., Spatz, J., Möller, M., Meijer, E.   +7 more
openaire   +4 more sources

Synthesis and evaluation of polystyrene–polybutadiene–polystyrene–dodecafluoroheptyl methacrylate/polystyrene–polybutadiene–polystyrene hybrid antifouling coating

Journal of Colloid and Interface Science, 2014
Copolymers SBS-DFHMA and mesoporous silica SBA-15 were respectively synthesized and SBS-DFHMA were mixed with SBA-15 to prepared hybrid antifouling coatings by a spin-coater. By measuring the surface water contact angle and the attachment of Pseudomonas fluorescens, Chlorella and Diatoms, the antifouling properties of coatings were evaluated.
Jiang, Li, Guoqing, Wang, Chunhua, Ding, Hong, Jiang, Peiqing, Wang   +4 more
openaire   +2 more sources

Reconstructing the Environmental Degradation of Polystyrene by Accelerated Weathering.

Environmental Science and Technology, 2021
The fragmentation of macro- into microplastics (MP) is the main source of MP in the environment. Nevertheless, knowledge about degradation mechanisms, changes in chemical composition, morphology, and residence times is still limited.
Nora Meides, Teresa Menzel, Björn Poetzschner, M. Löder, U. Mansfeld, P. Strohriegl, V. Altstaedt, J. Senker   +7 more
semanticscholar   +1 more source

Polystyrene Microplastics Interaction with Oryza sativa: Toxicity and Metabolic Mechanism

Environmental Science: Nano, 2021
Little is known about the microplastic effects in terrestrial ecosystems, especially agricultural soils and terrestrial higher plants.
Jiani Wu, Weitao Liu, A. Zeb, Jiapan Lian, Yuebing Sun, Hongwen Sun   +5 more
semanticscholar   +1 more source

Polystyrene

2009
Abstract Major Applications One of the most widely used plastics, having applications in industries of packaging, appliances, construction, automobiles, electronics, furniture, toys, house wares, and luggage (1–3). Properties of Special Interest Crystal clear thermoplastic, hard, rigid, free of odor and taste, ease of heat fabrication ...
  +4 more sources

Model polystyrene networks

Faraday Discussions of the Chemical Society, 1974
Abstract Model polystyrene networks have been prepared, at different concentrations in an inert solvent, in such a way that the number of crosslinks is accurately known, and the topology of the network can be varied in a controlled way. The contribution of various network defects to the modulus of the network has been examined.
G. Allen, P. A. Holmes, D. J. Walsh
openaire   +1 more source

Immiscibility in polystyrene/sulfonated polystyrene blends

Polymer, 1995
Abstract Miscibility in the binary system of deuterated polystyrene and lightly sulfonated polystyrene has been investigated. Small-angle neutron scattering was used to evaluate the physical state of deuterated polystyrene/polystyrene—1.67% sulfonic acid blends over a wide composition range.
N.C.Beck Tan, X. Liu, R.M. Briber, D.G. Peiffer   +3 more
openaire   +1 more source

UV-induced aggregation of polystyrene nanoplastics: effects of radicals, surface functional groups and electrolyte

Environmental Science: Nano, 2020
UV irradiation increased the aggregation of polystyrene nanoplastics to different extents depending on the surface functional groups and electrolyte species.
Xinjie Wang, Yang Li, Jian Zhao, X. Xia, Xiaonan Shi, Jiajun Duan, Wen Zhang   +6 more
semanticscholar   +1 more source

Lipase Polystyrene Giant Amphiphiles

Journal of the American Chemical Society, 2002
A new type of giant amphiphilic molecule has been synthesized by covalently connecting a lipase enzyme headgroup to a maleimide-functionalized polystyrene tail (40 repeat units). The resulting biohybrid forms catalytic micellar rods in water.
Velonia, Kelly, Rowan, Alan E., Nolte, Roeland J. M.   +2 more
openaire   +5 more sources

Luminescent Diazaborolyl-Functionalized Polystyrene

ACS Macro Letters, 2012
We present two different procedures for the synthesis of poly[4-(1',3'-diethyl-1',3',2'-benzodiazaborolyl)styrene] (3a) and poly[4-(1',3'-diphenyl-1',3',2'-benzodiazaborolyl)styrene] (3b). The new polymers were fully characterized by GPC, multinuclear NMR, and elemental analysis. The thermal properties and stability were studied by DSC and TGA, and the
Kuhtz, Henry, Cheng, Fei, Schwedler, Stefanie, Böhling, Lena, Brockhinke, Andreas, Weber, Lothar, Parab, Kshitij, Jäkle, Frieder   +7 more
openaire   +3 more sources