Chi Zhang Email & Phone Number

Billerica, Massachusetts, United States

Toledo, Ohio Area

Cleveland/Akron, Ohio Area

Synthesis of polyelectrolyte containing self-healing latex coatings via emulsion polymerization• Synthesized core-shell latex by semi-batch emulsion polymerization• Latex particles were self-assembled with polyelectrolytes by secondary interactions• Tested self-healing ability of latex coating• Demonstrated a simple way to heal damaged wall coating for potential industrial interestsInvestigation of effects of hydrophilic monomer in core-shell latex system• Studied the secondary nucleation of 2-hydroxyethyl methacrylate (HEMA) in core-shell latex• Investigated emulsion polymerization kinetics, glass transition temperature and physical properties (surface energy, pH, conductivity) of this core-shell latex systemDesigning the robust hydrophobic polydimethylsiloxane coatings• Fabricate polydimethylsiloxane coating by hydrosilation polymerization• Studied the wettability of polydimethylsiloxane coating• Evaluated the coating’s high temperature/humidity stability• Invited by entrepreneurial groups for potential commercialization• Improved the coating’s self-healing abilityPolyelectrolyte containing organic salts synthetic adhesives• Investigated natural spider silk adhesion mechanism• Designed the spider silk mimicked polyelectrolytes containing organic salts synthetic adhesives • Compared adhesion strength between natural and synthetic adhesives by 90 peel tests• Studied the water absorption rate for synthetic adhesives under different humidity• Investigated and optimized parameters (i.e. pH, concentration, ionic strength) to reach maximum adhesion strength for synthetic adhesives

Northboro, Ma

Team member, Performance Plastics Division (PPL), Engineered Components Business Unit (ENC).New high-performance bearing (HPB) platform development• Created a new HPB platform to meet customer demands• Benchmarked bearings performance based on our current testing standard• Conduct surface treatments (plasma, sandblasting etc.) to enhance the product performance• Developed a new testing method to match current product applications• Optimized the material fabrication methods for continuous productionsPEEK polymer formulation and processing for HPB platform• Formulated polyether ether ketone (PEEK) with various fillers to unique application depending on customers’ needs• Optimized processing conditions based on rheological studies of polymers• Studied the mechanical properties of formulated PEEK• Prepared injection molded samples using formulated PEEK for tribology tests

Brookhaven

Project collaboration on patterned surface preparation by E-beam lithography, etching, surface characaterization by FE-SEM.

Doctor Of Philosophy - Phd, Polymer/Plastics Engineering

Master Of Science (Ms), Polymer/Plastics Engineering

Bachelor Of Science (Bs), Polymer/Plastics Engineering