Wisconsin Alumni Research Foundation

Technology

Powering Devices with Piezoelectric ‘Sponge’

Piezoelectric materials produce electric charge in response to mechanical stress. Such materials can be utilized as very small ‘nanogenerators’ that absorb vibrations from the environment (e.g., a...
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Xudong Wang, Ping Zhao, Yanchao Mao | P130228US01

Technology

Environmentally Green Glue

Formaldehyde-based adhesives have been used to make interior plywood and particle board for decades. These synthetic adhesives, which are derived from petroleum, are inexpensive and perform well. Howe...
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Srinivasan Damodaran, Dani Zhu | P130276US02

Technology

Superior Plastic Parts

Plastics are the most widely used materials in the United States, surpassing steel, copper and aluminum combined by volume. While ubiquitous, fossil-based plastics are becoming more and more costly to...
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Lih-Sheng Turng, Xiaofei Sun | P140042US01

Technology

Smoother Plastic Products Using Microcellular Injection Molding

Several techniques exist for turning plastic into goods and packaging. Microcellular foams are of particular interest because they can be used to produce strong, lightweight plastic. Unfortunately, du...
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Lih-Sheng Turng, Eugene Dougherty, Chris Lacey, Jungjoo Lee, Pat Gorton, Keith Edgett, Xiaofei Sun | P110078US01

Technology

Masks for Growing Nanopatterned Polymer Brushes

Polymer brushes are a broad class of materials made of polymer chains tethered at one end to a substrate. These brushes are able to tune and modify surface properties like bioadhesion and wettability....
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Padma Gopalan, Daniel Sweat, Myungwoong Kim, Eungnak Han | P130118US01

Technology

New Surface-Modifying Film for BCP Formation

Block copolymers (BCPs) self-assemble into well-defined, highly regular and dense nanostructures. Such BCP arrays are useful for fabricating electronic devices like magnetic storage media, quantum dot...
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Padma Gopalan, Eungnak Han, Myungwoong Kim | P130124US01

Technology

Degradable Neutral Layer for BCP Lithography

The lithographic process is one of the most powerful technologies of the digital electronics era. Lithography allows hundreds of millions of components to be fabricated on a single chip with pattern f...
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Padma Gopalan, Daniel Sweat, Jonathan Choi, Myungwoong Kim | P130174US01

Technology

New Conductive Polymers for Lithium Ion Batteries

Batteries can be classified as primary (nonreusable) or secondary (rechargeable). The demand for rechargeable batteries of high energy density and specific energy has surged along with portable electr...
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Mahesh Mahanthappa, Ryan Weber | P120049US02

Technology

Manufacturing Polymer Micropellets

Polymer-based micropellets can be formed having diameters smaller than 50 microns. The miniscule particles are vital to a number of processes like laser sintering—used to build rapid prototypes ...
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Tim Osswald, Martin Launhardt | P100314US02

Technology

Protein-Polysaccharide Hybrid Hydrogels

A hydrogel polymer is a naturally occurring or synthetic material which swells in water or some liquid, retaining a large amount without dissolving. Hydrogels find high volume use as industrial, consu...
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Srinivasan Damodaran | P02135US

Technology

Organoelement Resists for EUV Lithography

Extreme ultraviolet (EUV) lithography is one of the most promising techniques for creating semiconductor devices, integrated circuits and microelectronic devices with nanoscale features (i.e., smaller...
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Paul Nealey, Franco Cerrina, Lin Zhu, Junyan Dai, Christopher Ober | P04335US

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