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Structure and self-reinforcing mechanism of biaxially oriented polyethylene pipes produced by solid phase die drawing

Kong, Chen; Wang, Yujie; Ye, Lin; Zhao, Xiaowen

 (Natural) polymersApplicationCharacterizationCrystalline fractionCustomer publicationsMaterialOrientation analysisPhase analysisPolymer researchSAXSTechnique

Structure and self-reinforcing mechanism of biaxially oriented polyethylene pipes produced by solid phase die drawing

Kong, Chen; Wang, Yujie; Ye, Lin; Zhao, Xiaowen

Biaxially oriented polyethylene (PE) pipes were prepared through solid phase die drawing technology. Drawing speed presented a prominent effect on the hoop draw ratio (DRhoop) and axial draw ratio (DRaxial) of the pipes. For pipe with DRhoop/DRaxial of 2.465/1.182, the tensile strength was improved significantly along hoop direction as well…
Thin Biobased Transparent UV-Blocking Coating Enabled by Nanoparticle Self-Assembly

Olson, Emily; Li, Yifan; Lin, Fang-Yi; Miller, Ana; Liu, Fei; Tsyrenova, Ayuna; Palm, Devin; Curtzwiler, Greg W.; Vorst, Keith L.; Cochran, Eric; Jiang, Shan

 (Natural) polymersApplicationCharacterizationCompositesCustomer publicationsFood scienceFractal dimensionMaterialParticlesSAXSShapeSizeTechnique

Thin Biobased Transparent UV-Blocking Coating Enabled by Nanoparticle Self-Assembly

Olson, Emily; Li, Yifan; Lin, Fang-Yi; Miller, Ana; Liu, Fei; Tsyrenova, Ayuna; Palm, Devin; Curtzwiler, Greg W.; Vorst, Keith L.; Cochran, Eric; Jiang, Shan

A waterborne, UV-blocking, and visually transparent nanocomposite coating was formulated with ZnO nanoparticles and 2-hydroxyethyl cellulose (HEC). The coating is highly effective (
Controlling the Supramolecular Polymerization of Donor-Acceptor π-Systems through Hydrogen Bond Intervention

Nair, Vishnu Sukumaran; Vedhanarayanan, Balaraman; Ajayaghosh, Ayyappanpillai

 (Hydro)gels(Natural) polymersApplicationCharacterizationCustomer publicationsMaterialPhase analysisPolymer researchTechniqueWAXS

Controlling the Supramolecular Polymerization of Donor-Acceptor π-Systems through Hydrogen Bond Intervention

Nair, Vishnu Sukumaran; Vedhanarayanan, Balaraman; Ajayaghosh, Ayyappanpillai

Supramolecular polymerization of donor-acceptor type molecules leads to mixed or self-sorted assemblies depending on the donor-acceptor strength and extent of noncovalent interactions between the components. Herein, we discuss how competing hydrogen bonding motifs control the supramolecular polymerization pathway of a two-component molecular π-system of oligo(p-phenylenevinylene) (OPV-B and…
Ordered structure effects on β-nucleated isotactic polypropylene/graphene oxide composites with different thermal histories

Yu, Yansong; Xu, Ruizhang; Chen, Jinyao; Kang, Jian; Xiang, Ming; Li, Yuanjie; Li, Lu; Sheng, Xingyue

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCompositesCustomer publicationsFractal dimensionMaterialPolymer researchSAXSTechniqueTemperature

Ordered structure effects on β-nucleated isotactic polypropylene/graphene oxide composites with different thermal histories

Yu, Yansong; Xu, Ruizhang; Chen, Jinyao; Kang, Jian; Xiang, Ming; Li, Yuanjie; Li, Lu; Sheng, Xingyue

In this paper, the influence of ordered structure effects (OSE) on crystallization behaviors of b-nucleated isotactic polypropylene/graphene oxide (b-iPP/GO) composites with different thermal histories, which crystallized at a slow cooling rate (called SLOW), fast cooling rate (called FAST) and medium cooling rate (called MED), respectively, was studied by differential scanning…
Influence of extender oil composition on flowing property, thermal stability, and morphology of styrene-b-ethylene-co-butylene-b-styrene copolymer/polypropylene/oil blends

Shi, Xiaotao; Wu, Jianxun; Zhen, Xinping; Xie, Haisheng; Xiong, Chunzhu

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCompositesCustomer publicationsMaterialPolymer researchSAXSTechnique

Influence of extender oil composition on flowing property, thermal stability, and morphology of styrene-b-ethylene-co-butylene-b-styrene copolymer/polypropylene/oil blends

Shi, Xiaotao; Wu, Jianxun; Zhen, Xinping; Xie, Haisheng; Xiong, Chunzhu

In this study, a series of styrene-b-ethylene-co-butylene-b-styrene copolymer (SEBS)/polypropylene (PP)/oil blends with different kinds of oil composition was developed through melt blending. The effect of oil with different composition and properties on its phase equilibrium and “redistribution” in multiphasic SEBS elastomer was systematically studied for the first time. Moreover, an…
Effect of Drawing on the Electrical, Thermoelectrical, and Mechanical Properties of Wet-Spun PEDOT:PSS Fibers

Sarabia-Riquelme, Ruben; Shahi, Maryam; Brill, Joseph W.; Weisenberger, Matthew C.

 (Natural) polymersApplicationCharacterizationCustomer publicationsFibersMaterialOrientation analysisPolymer researchTechniqueWAXS

Effect of Drawing on the Electrical, Thermoelectrical, and Mechanical Properties of Wet-Spun PEDOT:PSS Fibers

Sarabia-Riquelme, Ruben; Shahi, Maryam; Brill, Joseph W.; Weisenberger, Matthew C.

New electrically conducting and mechanically robust fibers and yarns are needed as building blocks for emerging textile devices. In this work, we describe a continuous wet-spinning process for the fabrication of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) fibers with high electrical conductivity, excellent mechanical properties, and moderate thermoelectric performance by…
Deoxycholic acid and l-Phenylalanine enrich their hydrogel properties when combined in a zwitterionic derivative

Travaglini, Leana; di Gregorio, Maria Chiara; Severoni, Emilia; D’Annibale, Andrea; Sennato, Simona; Tardani, Franco; Giustini, Mauro; Gubitosi, Marta; Del Giudice, Alessandra; Galantini, Luciano

 (Hydro)gelsApplicationCharacterizationCustomer publicationsMaterialSAXSShapeSizeStructural biologySurfactantsTechnique

Deoxycholic acid and l-Phenylalanine enrich their hydrogel properties when combined in a zwitterionic derivative

Travaglini, Leana; di Gregorio, Maria Chiara; Severoni, Emilia; D’Annibale, Andrea; Sennato, Simona; Tardani, Franco; Giustini, Mauro; Gubitosi, Marta; Del Giudice, Alessandra; Galantini, Luciano

Hypothesis Sodium Deoxycholate (NaDC) and Phenylalanine (Phe) are important biological hydrogelators. NaDC hydrogels form by lowering the pH or by increasing the ionic strength. Phe gels form from saturated solution by thermal induction and slow kinetics. The resulting gels hold great potential in medicine and biology as drug carriers and…
Colloidal Solubility and Agglomeration of Apolar Nanoparticles in Different Solvents

Doblas, David; Kister, Thomas; Cano-Bonilla, Marina; González-García, Lola; Kraus, Tobias

 ApplicationCharacterizationCustomer publicationsMaterialNanoparticles & colloidsParticle interactionsParticle size and size distributionParticlesSAXSTechnique

Colloidal Solubility and Agglomeration of Apolar Nanoparticles in Different Solvents

Doblas, David; Kister, Thomas; Cano-Bonilla, Marina; González-García, Lola; Kraus, Tobias

We studied the concentration-dependent agglomeration of apolar nanoparticles in different solvents. Octanethiol-stabilized gold nanoparticles (AuNPs) in evaporating liquid droplets were observed in situ using small-angle X-ray scattering. Concurrent analysis of liquid volume and particle agglomeration provided time-dependent absolute concentrations of free and agglomerated particles. All…
Translation of nanomedicines from lab to industrial scale synthesis: The case of squalene-adenosine nanoparticles

Dormont, Flavio; Rouquette, Marie; Mahatsekake, Clement; Gobeaux, Frédéric; Peramo, Arnaud; Brusini, Romain; Calet, Serge; Testard, Fabienne; Lepetre-Mouelhi, Sinda; Desmaële, Didier; Varna, Mariana; Couvreur, Patrick

 ApplicationCharacterizationCustomer publicationsMaterialNanoparticles & colloidsParticlesPhase analysisSAXSTechnique

Translation of nanomedicines from lab to industrial scale synthesis: The case of squalene-adenosine nanoparticles

Dormont, Flavio; Rouquette, Marie; Mahatsekake, Clement; Gobeaux, Frédéric; Peramo, Arnaud; Brusini, Romain; Calet, Serge; Testard, Fabienne; Lepetre-Mouelhi, Sinda; Desmaële, Didier; Varna, Mariana; Couvreur, Patrick

A large variety of nanoparticle-based delivery systems have become increasingly important for diagnostic and/or therapeutic applications. Yet, the numerous physical and chemical parameters that influence both the biological and colloidal properties of nanoparticles remain poorly understood. This complicates the ability to reliably produce and deliver well-defined nanocarriers which often leads…
A designer fast Li-ion conductor Li6.25PS5.25Cl0.75 and its contribution to the polyethylene oxide based electrolyte

Li, Dabing; Cao, Liuyang; Liu, Chaodeng; Cao, Guoqin; Hu, Junhua; Chen, Jingbo; Shao, Guosheng

 (Natural) polymersApplicationCharacterizationCrystalline fractionCustomer publicationsMaterialPhase analysisRenewable energySAXSTechnique

A designer fast Li-ion conductor Li6.25PS5.25Cl0.75 and its contribution to the polyethylene oxide based electrolyte

Li, Dabing; Cao, Liuyang; Liu, Chaodeng; Cao, Guoqin; Hu, Junhua; Chen, Jingbo; Shao, Guosheng

The composite polymer electrolytes, consisting of a flexible matrix and superb fast ion conductor are promising for large-scale practical application in safer lithium metal batteries. The quantification of polymer structure evolution induced by the inorganic filler was rarely reported. Here, a designer cubic argyrodite Li6PS5X sulfide electrolyte was fabricated by…
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