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Thermally Conductive and Electrically Insulating PVP/Boron Nitride Composite Films for Heat Spreader

Liu, Y.; Wang, N.; Ye, L.; Zehri, A.; Nylander, A.; Nkansah, A.; Lu, H.; Liu, J.

(Natural) polymersApplicationCharacterizationCustomer publicationsFibersMaterialOrientation analysisPolymer researchTechniqueWAXS

Thermally Conductive and Electrically Insulating PVP/Boron Nitride Composite Films for Heat Spreader

Liu, Y.; Wang, N.; Ye, L.; Zehri, A.; Nylander, A.; Nkansah, A.; Lu, H.; Liu, J.

Thermally conductive materials with electrically insulating properties have been extensively investigated for thermal management of electronic devices. The combined properties of high thermal conductivity, structural stability, corrosion resistance and electric resistivity make hexagonal boron nitride (h-BN) a promising candidate for this purpose. Theoretical studies have revealed that h-BN has a…
ana.tutueanu@xenocs.com
27 January 2020
Liquid Crystal Elastomer Waveguide Actuators

Kuenstler, Alexa S.; Kim, Hyunki; Hayward, Ryan C.

(Natural) polymersApplicationCharacterizationCustomer publicationsMaterialOrientation analysisPolymer researchTechniqueWAXS

Liquid Crystal Elastomer Waveguide Actuators

Kuenstler, Alexa S.; Kim, Hyunki; Hayward, Ryan C.

While most photomechanical materials developed to date have relied on free-space illumination to drive actuation, this strategy fails when direct line-of-site access is precluded. In this study, waveguided light is harnessed by liquid crystal elastomer (LCE) nanocomposites to drive actuation. Using photo-chemical reduction of gold salts to plasmonic nanoparticles, prescription…
ana.tutueanu@xenocs.com
27 January 2020
Polymorphic states and phase transitions in a comb-like polymer having a rigid polyester backbone and flexible side chains

Danke, Varun; Gupta, Gaurav; Huth, Heiko; Schawe, Jürgen E. K.; Beiner, Mario

ApplicationCharacterizationCustomer publicationsFoodFood scienceLipidsLiquid crystalsMaterialPhase analysisSAXSSelf-assembled materialSizeTechnique

Polymorphic states and phase transitions in a comb-like polymer having a rigid polyester backbone and flexible side chains

Danke, Varun; Gupta, Gaurav; Huth, Heiko; Schawe, Jürgen E. K.; Beiner, Mario

Structure formation in an alkoxylated polyester having rigid backbone and flexible side chains composed of 10 alkyl carbons per side chain is studied using X-ray diffraction, conventional DSC and flash DSC techniques. Two crystalline states-modification B and modification A are observed with their occurrence depending on the thermal treatment. Additionally,…
ana.tutueanu@xenocs.com
27 January 2020
Effect of processing conditions on the mechanical properties of bio-inspired mechanical gradient nanocomposites

Zhang, Yefei; Edelbrock, Alexandra N.; Rowan, Stuart J.

(Natural) polymersApplicationCharacterizationCompositesCrystalline fractionCustomer publicationsMaterialPolymer researchTechniqueWAXS

Effect of processing conditions on the mechanical properties of bio-inspired mechanical gradient nanocomposites

Zhang, Yefei; Edelbrock, Alexandra N.; Rowan, Stuart J.

Photo-induced thiol-ene crosslinking of allyl-functionalized cellulose nanocrystal (CNC)/polymer nanocomposites allows access to films that mimic the water-enhanced mechanical gradient characteristics of the squid beak. These films are prepared by mixing the functionalized CNCs and polymer in a solvent before solution casting and drying. The photocrosslinking agents are then imbibed into…
ana.tutueanu@xenocs.com
27 January 2020