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Search Results - Materials
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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: 11/3/2021
|
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: 11/2/2021
|
Inventor(s):
Muhammad Rabnawaz
,
Ajmir Khan
Keywords(s):
Category(s):
Chemicals
,
Environment
,
Materials
Process for Recycling Mixed Polyurethanes
Executive Summary Polyurethane ridged and flexible foams are used in a wide variety of applications in the automotive, industrial and consumer sectors. Since these polymers are crosslinked networks, recycling them for further use remains a challenge. MSU researchers have developed a novel, non solvent based process for processing mixed polyurethanes....
Published: 10/18/2021
|
Inventor(s):
Muhammad Rabnawaz
,
Ajmir Khan
Keywords(s):
Category(s):
Materials
,
Environment
Bottle grade r-PET from Mixed PET and PETG Recycling
VALUE PROPOSITION This technology is a process for converting mixed thermoformed recycled PETG and bottle recycled PET into bottle-grade recycled PET for use in new bottles or other plastic products. INTRODUCTION Polyethylene terephthalate (PET) and polyethylene terephthalate glycol-modified (PETG) are common thermoplastics that are used for a wide...
Published: 8/5/2021
|
Inventor(s):
Muhammad Rabnawaz
Keywords(s):
Category(s):
Environmental
,
Materials
,
Packaging
Synthesis and Applications of Polymaleimide
Executive Summary This invention is a process for producing an alkali metal polymaleimide salt by bulk, solution or aqueous processes. The polymers are useful as biodegradable chelating agents, detergent builders and anti-scaling
materials
. Description of Technology The technology of this invention relates to methods for producing alkali metal...
Published: 6/8/2021
|
Inventor(s):
Kris Berglund
,
Qiuyue Yu
,
Adam Harant
,
Parminder Agarwal
Keywords(s):
Category(s):
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: 10/26/2020
|
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: 10/21/2020
|
Inventor(s):
Mikhail Redko
,
James Jackson
,
Volodymyr Tarabara
,
Julian Taurozzi
Keywords(s):
Category(s):
Environment
,
Materials
,
Energy
Pb-Ge-Te-Compounds for Thermoelectric Generators or Peltier Arrangements
Executive Summary Thermoelectric devices convert heat into electricity. Conversely, if direct current is applied, heat will be transported from one side to the other (Peltier arrangement) and the device can also act as a heat pump. While some applications exist today, more efficient thermoelectric
materials
are needed to be practical for a broader...
Published: 10/21/2020
|
Inventor(s):
Mercouri Kanatzidis
,
Duck-Young Chung
,
Hans-Josef Sterzel
,
Klaus Kuehling
Keywords(s):
Antimony
,
Conductivity
,
Heat Pump
,
Heat Removal
,
Lead
,
Nanostructure
,
Peltier
,
Seebeck
,
Semiconductor
,
Superlattice
,
Telluride
,
Tellurium
,
Thermal Management
,
Thermoelectric
,
Tin
,
Waste Heat
Category(s):
Computer Hardware
,
Electrical
,
Energy
,
Materials
,
Transportation
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: 8/5/2019
|
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: 12/10/2018
|
Inventor(s):
Muhammad Rabnawaz
,
Zhao Li
Keywords(s):
Category(s):
Advanced
Materials
,
Chemicals
,
Materials
,
Packaging
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