Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 28 for “"Compatibilization"”.
-
Blend of crystallizable polybutadiene isomers : compatibilization by addition of amorphous diblock copolymer
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1991.
-
Development of Bismaleimide/Cyanate Ester Based Aerospace Polymers for Possible Use in NASA's Relaunchable Vehicles Program
… and evaluated to determine what monomers and compatibilization methods are favorable. Additionally, curing behavior is studied to explain these phenomena.
-
Improving Impact Properties of Novatein through Polymer Blending and Reactive Extrusion
… used instead of PE to achieve the same goal. The compatibilization of Novatein/PBAT blends was explored using dual compatibilizer systems whereby it was found that a compatibilizer system of epoxy functionalized chain extender (Joncryl ADR4368) and imidazole catalyst brought about increased energy …
-
Production And Structure/Properties Of Nylon-6 Core / Isotactic Polypropylene Sheath Bicomponent Fibers Suitable For Use In Carpeting Applications
… polypropylene were produced. In-situ, reactive compatibilization was achieved using a maleic anhydride functionalized polypropylene between the materials at the interface. The overall goal of the research was to produce a bicomponent fiber of these materials that would be suitable for use in …
-
High Performance Electrode Materials From Carbon Nanofibers with Tunable Pore Architectures
… and obtain uniform morphologies is polymer compatibilization. Before compatibilizing PAN and 6FDA-DABA it was required to study the kinetic behavior of the activation reaction (CO2 oxidation of carbon at 1000 °C) of known compatibilized immiscible polymer blend; which mimics the behavior of …
-
Preparation of Fully Miscible Nanocomposites
… method to control steric stabilization and compatibilization of nanoparticles. A rational design of polymer binding groups and ligand exchange conditions allows to attach polymer brushes with grafting densities >1 nm^-2 to inorganic nanoparticles for nearly any nanoparticle/polymer …
-
Advancing sustainability in additive manufacturing: material formulation and process development for recycled PET and PET/HDPE blend
… for filament-based 3D printing. Secondly, compatibilization strategies were implemented to improve the interfacial adhesion, phase dispersion, and mechanical properties of r-PET/r-HDPE blends, making them viable for pellet-based 3D printing. Rheological, microstructural, thermal, and …
-
CHARACTERIZATION OF A CARDBOARD RECYCLING FACILITY'S PLASTIC WASTE FOR BENEFICIAL USE
… in breakage indicating an increase in internal compatibilization. MAPE decreased crystallinity and compatibilized both mixed polymers and additives. Samples were characterized by DSC and TGA. Additives decreased phase separation. TGA analysis showed wood flour, ash, cement and MAPE thermally …
-
CHARACTERIZATION OF A CARDBOARD RECYCLING FACILITY'S PLASTIC WASTE FOR BENEFICIAL USE
… in breakage indicating an increase in internal compatibilization. MAPE decreased crystallinity and compatibilized both mixed polymers and additives. Samples were characterized by DSC and TGA. Additives decreased phase separation. TGA analysis showed wood flour, ash, cement and MAPE thermally …
-
The preparation of high performance polymers for composites and blends: A) thermally stable ion containing polymers B) epoxy and hydroxy functional polyolefin macromers
… have applicability in the area of polymer blend compatibilization.
-
LEVERAGING CONFINEMENT AND SURFACE EFFECTS TO CONTROL POLYMER PHASE BEHAVIOR AND TRANSPORT PHENOMENA IN POLYMER-INFILTRATED NANOPARTICLE FILMS
… system-specific effects, leading to either compatibilization or phase separation depending on blend type. We find that confinement enhances solvent resistance in PINFs, but surprisingly, resistance is not governed solely by polymer-solvent interactions: solvent-nanoparticle interactions …
-
Free-radical maleation of poly(butylene adipate-co-terephthalate) in supercritical carbon dioxide and its effect on the percolation and deformation mechanism of layered silicate nanocomposites
… in PBAT nanocomposites to examine the compatibilization effects on the development of a nanoparticle network. The addition of 5% PBAT-g-MA resulted in improved clay dispersion and exfoliation evidenced through TEM, XRD, permeation analysis, and tensile testing. Differential scanning …
-
Understanding Structure-Property Relationships for Impact Polystyrene
… structure of impact polystyrene. The copolymer compatibilization effect was quantified by rheological methods. Adaptations to capture the complete viscoelastic relaxation time have been proposed and observation of behavior at phase inversion of the impact polystyrene system is recommended for …
-
Processing and Characterization of Nanocomposite Fibers and Nanofibers for Structural and Biomedical Applications
… PE-g-MAH were performed to observe the effect of compatibilization on the morphological development of the fiber microstructure. SEM observations of compatibilized hybrid fibers showed rough and indistinct interfacial separation of the polymer phases. Coating of SWCNTs with polymer phase was …
-
Manufacture and Characterization of Micro-/Nano-fibrillated Composites and their Applications
… (> 90%), the resultant materials, even without compatibilization, have both good electric conductivity and excellent mechanical properties. This dissertation developed fundamental understanding and in-depth analysis of structure-property relationships and propose new manufacturing approaches of …
-
Synthetic Design of Multiphase Systems for Advanced Polymeric Materials
… crystallizability and serves as a candidate for compatibilization of poly(tetrafluoroethylene)-PEEK polymer blends. Superacid-modified PEEK was synthesized through a similar methodology and demonstrated over 50,000% increased hygroscopicity relative to the parent homopolymer, and exhibited …
-
Reactive modification of polyesters and their blends
… such as low density extrusion foaming or compatibilization of immiscible polymer blends. Important modification conditions through coagents are identified and reaction mechanisms are proposed. A high MW saturated polyester, PET, can also be rheologically modified in extruders through low …
-
Non-Covalent Interactions in Polymeric Materials: From Ionomers to Polymer Blends
… polar polymers within the blends. The successful compatibilization of polyester/polyamide blends (prepared by solution mixing and melt blending methods) using phosphonated PET ionomers as a minor-component compatibilizer has been demonstrated. The phase-separated polyamide domain dimension …
-
Synthesis and Characterization of Cation-Containing and Hydrogen Bonding Supramolecular Polymers
… hydrogen bonding interactions enabled the compatibilization of complementary hydrogen bonding guest molecules such as uracil phosphonium chloride.
-
Regioselective Design of Polysaccharide Ester Graft Copolymers
… of an ideal graft length or density for compatibilization. To address this, a series of AmAc-g-PLA graft polymers prepared by grafting-to CuAAC of alkyne-terminated PLA with 2,3Ac-6N3 amylose, permitting precise control over graft length and graft density by varying the MW of …
Page 1 of 2