ApplicationCharacterizationCustomer publicationsFibersMaterialOrientation analysisRenewable energySAXSTechnique

Scalable, anisotropic transparent paper directly from wood for light management in solar cells

Jia, Chao; Li, Tian; Chen, Chaoji; Dai, Jiaqi; Kierzewski, Iain Michael; Song, Jianwei; Li, Yiju; Yang, Chunpeng; Wang, Chengwei; Hu, Liangbing

The growing demand for flexible electronics and solar energy conversion devices has fueled a search for high-quality paper-based materials with excellent mechanical flexibility and optical properties such as high transparency and haze. Despite the tremendous efforts have been dedicated to developing paper-based materials with high transparency or high haze, challenges…
12 March 2019
CharacterizationCustomer publicationsLipidsProteins & DNA/RNASAXSStructural biology

Rheological Link Between Polymer Melts with a High Molecular Weight Tail and Enhanced Formation of Shish-Kebabs

Wingstrand, Sara L.; Shen, Bo; Kornfield, Julie A.; Mortensen, Kell; Parisi, Daniele; Vlassopoulos, Dimitris; Hassager, Ole

Presence of an ultra high molecular weight (UHMw) fraction in flowing polymer melts is known to facilitate formation of oriented crystalline structures significantly. The UHMw fraction manifests itself as a minor tail in the molar mass distribution and is hardly detectable in the canonical characterization methods. In this study, alternatively,…
12 March 2019
ApplicationCatalystsCharacterizationCustomer publicationsInorganic materialInorganic materialsMaterialOil & gasPhase analysisPorous materialSAXSTechnique

Effects of calcination and activation conditions on ordered mesoporous carbon supported iron catalysts for production of lower olefins from synthesis gas

Oschatz, M.; Deelen, T. W. van; Weber, J. L.; Lamme, W. S.; Wang, G.; Goderis, B.; Verkinderen, O.; Dugulan, A. I.; Jong, K. P. de

Lower C2–C4 olefins are important commodity chemicals usually produced by steam cracking of naphtha or fluid catalytic cracking of vacuum gas oil. The Fischer–Tropsch synthesis of lower olefins (FTO) with iron-based catalysts uses synthesis gas as an alternative feedstock. Nanostructured carbon materials are widely applied as supports for the iron…
12 March 2019
(Hydro)gels(Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialPolymer researchSAXSTechnique

Rapid and Quantitative De-tert-butylation for Poly(acrylic acid) Block Copolymers and Influence on Relaxation of Thermoassociated Transient Networks

Filippov, Alexei D.; van Hees, Ilse A.; Fokkink, Remco; Voets, Ilja K.; Kamperman, Marleen

The synthesis of charged polymers often requires the polymerization of protected monomers, followed by a polymer-analogous reaction to the polyelectrolyte product. We present a mild, facile method to cleave tert-butyl groups from poly(tert-butyl acrylate) blocks that yields poly(acrylic acid) (pAA) blocks free of traces of the ester. The reaction utilizes…
12 March 2019