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School of Materials Science and Engineering

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Now showing 1 - 10 of 88
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Panel discussion: Sustainability Standards for Carpet and Textiles

2004-05-10 , Peoples, Robert , Elder, Howard M. , Italiano, Michael L. , Ritchie, Kirsten

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Panel Discussion: Industry's Effort on Waste Minimization and Recycling

2003-05-12 , Cook, Fred L. , Conyers, John, Jr. , Endrenyi, Frank , Hoffmann, Steve , Gjerde, Wayne

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State of the Art Post Consumer Carpet Recycling and Its Opportunities in the US Market

2003-05-12 , Kreklau, Frank

Producers of plastics, like fiber and carpet manufacturers, feel an increasing need to develop recycling concepts for their products in order to compete in the marketplace. Producers of other floor covering systems, such as tiles and stoneware goods, benefit from the natural properties of the appropriate raw materials, whereas carpet producers have to develop and to design these recycling systems for post consumer carpets. This presentation discusses the approaches to this complex topic, and our view on the opportunities for recycling post consumer carpet. Differences between the American and European concepts are compared.

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TIRECYCLE™ Technology in Advanced Recycling of Post Consumer Carpet

2003-05-12 , Jakush, Ed

The TIRECYCLE technology enables post-consumer carpet, at 100% grind, to be effectively co-reacted with post consumer cured scrap rubber to create families of useful molding and extrusion compounds, both thermoset and thermoplastic, with a broad range of properties. This talk reviews lessons learned from the well-established tire recycling industry, and discusses the principles, commercial operations, logistics and products of TIRECYCLE.

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Compounds and Products from Carpet and Tire Waste

2003-05-13 , Milgrom, Jack

Compounds containing crumb tire rubber and 40-60% carpet scrap have been developed. They can be cured with peroxides in compression molding process to produce thermoset plastic products of varying flexibility, such as roof shingles, plastic lumber, decking, sub-flooring, sheathing, siding, door cores, highway sound barriers, or offset blocks for highway guardrails.

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Composites Derived from Post-Consumer Nylon 6 Carpet

2003-05-12 , Muzzy, John D. , Wang, Youjiang , Satcher, Melinda , Shaw, Bryan , McNamara, Andrew , Jin, Kun , Norton, Josh

Over 2 million tons of post-consumer carpet is landfilled each year. This waste carpet is a potential resource for composites. This paper focuses on the processing and properties of nylon 6 post-consumer carpet. The carpet is cleaned, shredded and extrusion pelletized. This feedstock is compounded with glass fibers and compatibilizers. Based on the properties achieved and the projected costs, applications are identified.

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Current Status of Carpet Waste Generation, Disposal and Diversion from Landfills

2003-05-12 , Annis, Patricia A. , Brewer, Mary Sue

Data was collected from carpet manufacturers and suppliers, reclaimable materials handlers and recyclers, and federal and local government agencies to quantify current material usage for carpet manufacturing, post-industrial and post-consumer carpet waste generation, waste disposal in landfills, and waste diversion for reuse, recycling, and energy generation, among others. The data provides a basis for assessing the impact of CARE on waste diversion in coming years.

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Coal Fly Ash - A New High Performance Mineral Filler for Improved Environmental Sustainability in the Carpet Industry

2003-05-13 , Hemmings, Raymond T. , Hill, Russell L. , Sprague, Jim

This paper discusses the role of coal fly ash as a high performance mineral filler for use in carpet backing that has the potential to provide significant improvements in environmental sustainability in the carpet industry, product performance, processing characteristics and cost reduction.

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Carpet America Recovery Effort (CARE): An Update

2003-05-12 , Hurd, F. Kenneth

This presentation provides an update on CARE, including Memorandum of Understanding (MOU), overall progress, and committees and their activities. Efforts to support research, development, and commercialization will be highlighted, such as grants and CARE's seeking of non-profit status (501c3).

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Current Status of Fiber Waste Recycling in Japan

2003-05-12 , Sugai, Kiyomi

The total fiber consumption in Japan is 2,317,000 tons per year, and 2,076,000 tons of fiber waste is abandoned each year. This talk summarizes the consumption, generation, and recycling of fibrous waste in Japan. As the rate of fiber recycling (excluding secondhand clothing) is decreasing, the development of new usage for fibrous waste is seriously needed.

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