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Search Results - materials
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Sustainable Chain Extenders for Recycling Polyesters
Executive Summary Polyesters comprise a significant portion of plastics entering landfills. One issue that limits their recycling is natural degradation during melt processing which lowers their molecular weight and melt viscosity. Reactive chain extenders are often used in this case to build back the molecular weight of the polyester during reprocessing....
Published: 2/17/2023
|
Inventor(s):
Muhammad Rabnawaz
,
Mohamed Abdelwahab
,
Ajmir Khan
Keywords(s):
Category(s):
Materials
,
Environment
,
Packaging
Process for Depolymerizing Recycled Polystyrenes
Executive Summary Each year, billions of lbs of polystyrene and styrene copolymers are discarded as waste and very little is recycled. While some technologies have attempted pyrolysis in fluidized bed reactors or solvent processes to convert the polystyrene back to monomer, high costs, long process times and a myriad of reaction products have...
Published: 4/7/2023
|
Inventor(s):
Muhammad Rabnawaz
,
Ajmir Khan
,
Vikash Kumar
Keywords(s):
Category(s):
Chemicals
,
Environment
,
Materials
Rapid Process for Depolymerizing Recycled PET
Executive Summary Each year, billions of lbs of polyethylene terephthalate (PET) and polyethylene terephthalate glycol (PETG) are discarded as waste. While some of the material is separated, recycled and incorporated into new
materials
, the degradation of the polymers back to their original monomers (a.k.a. chemical recycling) remains prohibitive...
Published: 2/17/2023
|
Inventor(s):
Muhammad Rabnawaz
,
Ajmir Khan
Keywords(s):
Category(s):
Chemicals
,
Environment
,
Materials
Degradable Unimolecular Nanoparticles
Executive Summary Biodegradable polymers are useful as drug delivery agents. MSU researchers have developed a poly(glycolide) based polymer that forms unimolecular micelles with diameters less than 50 nm. These nanoparticles contain functional groups which provide anchoring sites for drugs, contrast agents or other biological agents. Description of...
Published: 6/8/2021
|
Inventor(s):
Gregory Baker
,
Erin Vogel
,
Milton Smith, Iii
Keywords(s):
Category(s):
Chemicals
,
Materials
,
Pharmaceutical
,
Nanotechnology
Polyazacrown-based
Materials
for Mercury Capture
Executive Summary Coal burning plants emit significant amounts of mercury to the environment, which is harmful to humans. A variety of processes are currently used to mitigate mercury emissions, but there is a need for more effective approaches. MSU researchers have developed a new polymer and method of synthesis for binding to mercury ions and removing...
Published: 2/17/2023
|
Inventor(s):
Mikhail Redko
,
James Jackson
,
Volodymyr Tarabara
,
Julian Taurozzi
Keywords(s):
Category(s):
Environment
,
Materials
,
Energy
High-density Plasma for Material Processing
Executive SummaryRF plasma discharges are widely used for
materials
processing in semiconductor industry and coatings applications. The efficiency of interactions between plasma and materials depends on the plasma density. Conventional RF discharges tend to lose high-energy electrons to the electrodes leading to lower plasma densities and unfavorable...
Published: 2/17/2023
|
Inventor(s):
Qi Fan
,
Thomas Schuelke
,
Michael Becker
,
Bocong Zheng
Keywords(s):
Category(s):
Materials
,
Manufacturing Equipment
100% Recyclable, Fluorine- and Plastic-Free Fat, Grease and Water Resistant Paper Coating
Executive SummaryWith a societal push to remove plastics from the food industry, there is a need for alternative packaging solutions. Governments and corporations alike have begun banning various single-use plastic products in favor of protecting the environment. This technology seeks to improve polymer coating
materials
for paper products. This technology...
Published: 2/17/2023
|
Inventor(s):
Muhammad Rabnawaz
,
Zhao Li
Keywords(s):
Category(s):
Advanced
Materials
,
Chemicals
,
Materials
,
Packaging
Soft Actuators with Stiffness and Shape Modulation
Executive SummaryAccurate and stable robotic systems have traditionally been constructed using rigid
materials
. However, soft and deformable structures have seen growing interest and application in recent years because they tend to outperform rigid systems. Soft robotics is a subfield that utilizes soft and deformable features, similar to ones found...
Published: 6/8/2021
|
Inventor(s):
Xiaobo Tan
,
Mohammed Al-Rubaiai
,
Thassyo Pinto
Keywords(s):
Category(s):
Advanced
Materials
,
Materials
,
Mechanical
System for Coating Inner Diameter Surface
Executive SummaryDiamond-like coatings offer a coating solution rivaled by few technologies available today. Capable of improving the durability and extending the lifetime of many metallic products, these coatings are typically applied in Physical Vapor Deposition (PVD) chambers. PVD processing is a line-of-sight process, meaning the distance between...
Published: 2/17/2023
|
Inventor(s):
Thomas Schuelke
,
Michael Becker
,
Lars Haubold
,
Qi Fan
Keywords(s):
Category(s):
Advanced
Materials
,
Manufacturing Equipment
,
Devices
,
Materials
Methods to Manufacture Large Area Single Crystal Diamond Substrates
Executive SummaryThe innovation of manufacturing silicon-based semiconductors led to a boom in the electronics industry, allowing for computer chips to be created. While cleanrooms, improved processing, and other advancements led to even more powerful chips, they are still inherently limited to the material properties of silicon. This suite of MSU technologies...
Published: 2/17/2023
|
Inventor(s):
Timothy Grotjohn
,
Ramon Diaz
,
Aaron Hardy
Keywords(s):
Category(s):
Advanced
Materials
,
Materials
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