Search Results - lawrence+drzal

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High Performance Reversible Adhesive System

Executive Summary In many applications, the ability to debond adhered substrates is advantageous as this can significantly reduce removal time and costs. However, to date, reversible adhesive systems with the proper balance of performance under a variety of environmental conditions and debonding time have not been developed. MSU researchers have recently...
Published: 4/22/2025   |   Inventor(s): Erik Stitt, Mahmood Haq, Lawrence Drzal
Keywords(s):   Category(s): Advanced Materials, Manufacturing Equipment

Expanded Graphite Reinforced Shaped Polymer Composites

Executive Summary Polymeric composites are used in a myriad of applications including automotive, aerospace, industrial and consumer markets. Balancing properties such as weight, cost, mechanical and electrical properties is key to developing a successful product. MSU researchers have developed an inexpensive method of preparing a shaped polymer composite...
Published: 6/19/2023   |   Inventor(s): Lawrence Drzal, Hiroyuki Fukushima
Keywords(s): Carbon Nanotubes, Composites, Electrodes, Expanded Graphite, Graphene, Graphite Nanoplatelets Category(s): Nanotechnology, Advanced Materials

Compatibilized Polymer / Expanded Graphite Materials

Executive Summary The addition of graphene nanoplatelets to polymers can simultaneously improve multiple physical properties when added to polymers. Unfortunately, graphene nanoplatelets do not interact well with some polymers, such as polyolefins, thus requiring excessive amounts to be added. MSU researchers have developed a new compatibilizer that...
Published: 6/16/2023   |   Inventor(s): Lawrence Drzal, Xian Jiang
Keywords(s):   Category(s): Advanced Materials, Nanotechnology

Conductive Circuits by Microcontact Printing of Graphene Nanoplatelets

Executive Summary Photolithography is a standard method of forming electronic circuits in electronic devices. However, in some cases, this can be a expensive step in the fabrication process. MSU researchers have developed an inexpensive method of creating thin films with conductive surfaces using a combination of polyelectrolyte multilayer (PEM) coating...
Published: 6/16/2023   |   Inventor(s): Ilsoon Lee, Troy Hendricks, Jue Lu, Lawrence Drzal
Keywords(s):   Category(s): Electrical, Advanced Materials, Nanotechnology

Machining Lubricant Containing Exfoliated Graphite

Executive Summary Machining processes in high production environment usually adopt flood cooling with water-based lubricants and various chemicals. In order to minimize the lubricant use and waste (which also eliminate centralized pumping stations), minimum quantity lubrication (MQL) techniques have been adopted, which generate mist of oil droplets....
Published: 6/16/2023   |   Inventor(s): Patrick Kwon, Lawrence Drzal
Keywords(s):   Category(s): Nanotechnology, Chemicals, Materials

Novel, Multi-Impact, Energy Diverting, Energy Absorbing, Repairable Helmets

Executive Summary This technology addresses brain injuries while wearing a helmet. A novel technique adds an outer layer to helmet shells to absorb multiple impacts and divert energy away for the skull to reduce concussions. The innovation can also reduce projectile penetration in a way that is repairable and re-healable for low or multiple low-velocity...
Published: 4/8/2025   |   Inventor(s): Mahmoodul Haq, Lawrence Drzal
Keywords(s):   Category(s): Advanced Materials, Defense, Transportation

Active, Tailorable, Reversible Adhesives for Structural Multimaterial Joining and Facile Repair, and Re-Assembly

Executive Summary Lightweight material joining is of special interest in automotive, aerospace, defense and marine industries. The structural joining of similar and dissimilar materials utilizing conventional fastening techniques require drilling holes, increasing weight and inviting stress concentrations. Adhesive joints have gained popularity due...
Published: 3/7/2025   |   Inventor(s): Mahmoodul Haq, Ermias Koricho, Lawrence Drzal
Keywords(s):   Category(s): Advanced Materials

Conductive Sheet Molding Compound (SMC)

Executive Summary Sheet Molding Compound (SMC) is used in a myriad of applications including automotive, aerospace, industrial and consumer markets. In some applications the SMC needs to be or be made conductive, but this can require expensive ingredients or process steps. MSU researchers have developed a SMC composite which is conductive and may be...
Published: 6/16/2023   |   Inventor(s): Lawrence Drzal, Wanjun Liu, Hiroyuki Fukushima, Inhwan Do
Keywords(s): Electrical Conductivity, Graphite, Polymer Nanocomposite, Resin, Thermal Conductivity Category(s): Nanotechnology, Advanced Materials