Polymers in Sport and Leisure

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References and Abstracts short fibre reinforced thermoplastics (SFRT) can alleviate these problems. It then looks at the time-consuming process of prototyping, and introduces HiperPlast, an efficient and reliable computer simulator for the injection of SFRT. VALENCIA,POLYTECHNICAL UNIVERSITY; ONILCO EUROPE-GENERAL; EUROPEAN COMMUNITY; EUROPEAN UNION; ITALY; WESTERN EUROPE Accession no.757295 Item 72 Macplas International No.6, May 1999, p.75-6 GOLFING ACCESSORIES In this article, three golfing accessories are highlighted. The first is a nine-slot irons organiser from Caddyrack UK, moulded in Capron 8253 BK 102 nylon 6 resin grade supplied by AlliedSignal. The second is also from Caddyrack - a club handle attachment to help with correct positioning of the player’s hands. It is made from Capron 8202 BK 102 nylon 6. The third product is a tranparent UV-protective golf-cart top from Polymer Innovations Corp. This is made from polyester sheet extruded from Spectar copolyester supplied by Eastman Chemical. CADDYRACK UK; ALLIEDSIGNAL; POLYMER INNOVATIONS CORP.; EASTMAN CHEMICAL EUROPEAN COMMUNITY; EUROPEAN UNION; UK; WESTERN EUROPE Accession no.757292 Item 73 Engineering Design No.3, 1999, p.7 NEW “TRANSFORMABLE” INLINE ROLLER/ ICE SKATE FROM MGM Marabelli F DuPont Italiana SpA MGM’s new Scout skating shoe can either be combined with a removable plate with wheels for inline roller skating or, alternatively, with a second plate incorporating a stainless steel blade for ice skating. The inline plate commercialised for inline roller skates, made of Zytel ST nylon, has been extended to a stainless steel ice skating blade overmoulded with a support of Zytel ST. An injection moulded interface part of Delrin 500T acetal resin is positioned between the blade structure and the shoe. MGM SPA EUROPEAN COMMUNITY; EUROPEAN UNION; ITALY; WESTERN EUROPE Accession no.756716 Item 74 Canadian Plastics 57, No.12, Dec.1999, p.6 NEW ELASTOMER PUTS B.C. FOOTWEAR COMPANY ON FAST TRACK Botex Industries, a manufacturer of footwear components for the athletic and casual shoe industries, has entered into an R&D agreement with Converse Footwear to create shoe parts with a promising new elastomer material. The material is described as an elastomeric compound with a phthalate-free plastisol base. It can be formulated with a durometer hardness range of 30 to 85 Shore A and a density ranging from 0.4 to 1.3g/cc, in solid or foamed forms. By adjusting the formula, the material can work in both cushioning and abrasion applications. BOTEX INDUSTRIES CORP.; CONVERSE FOOTWEAR USA Accession no.756701 Item 75 Lancaster, Pa., Technomic, 1999, pp.ix,623. $350.00. 28cms. 10/12/99 POLYURETHANES EXPO ’99. PROCEEDINGS OF A CONFERENCE HELD ORLANDO, FL., 12TH-15TH SEPT. 1999 American Plastics Council,Alliance for the Polyurethanes Industry This conference focuses on the technical developments in the field of polyurethanes. Main sessions examine process innovations, coatings, adhesives, sealants and elastomers, and automotive, footwear, construction and furnishings applications. Papers include fibres based on blends of plasticised PVC and polyurethane, super low density polyurethane systems for sports shoes, foam processes and applications, polyurethane foam as an integral core component of automotive headliner, and monitoring potential degradation of polyurethanes in a landfill simulator. Accession no.755816 Item 76 Polyurethanes Expo ’99. Conference proceedings. Orlando, Fl., 12th-15th Sept.1999, p.197-8 RECYCLED PU USING A NOVEL TECHNIQUE Chandrasekaran R Quantum Polymers USA Inc. (American Plastics Council,Alliance for the Polyurethanes Industry) Scraps of PU soles are successfully recycled with some interesting findings using a scrap rubber recycling technique with slight modifications. Work carried out in comparing the properties of the recycled materials with virgin PU is reviewed. The recycled PU seems to have better processing characteristics and certain enhanced physical properties relative to virgin PU. The findings from this work, it is believed, would open a vast potential for recycling various scraps of PU for manufacture of 34 © Copyright 2001 Rapra Technology Limited
References and Abstracts moulded products, particularly in shoes and other sports goods applications. USA Accession no.755682 Item 77 Polyurethanes Expo ’99. Conference proceedings. Orlando, Fl., 12th-15th Sept.1999, p.189-92 SUPER LOW DENSITY POLYURETHANE SYSTEMS FOR SPORTS SHOES Sawai M; Miyamoto K; Takemura K; Mori M; Kiuchi K Kao Corp. (American Plastics Council,Alliance for the Polyurethanes Industry) A new concept of producing very lightweight (0.24-0.26 g/ cub.cm) PU midsoles instead of EVA for sports shoes is described in detail. Materials for the midsole of the dual density sport shoes are composed of PU or EVA. Although PU midsole has good cushioning (resilience), adhesive and processing properties compared with conventional EVA systems, it is difficult to reduce the moulding form density drastically. Recently, developments for high performance PU systems have focused on reducing the density by maintaining high physical properties. To solve this problem, several new progressive technologies are developed. The first uses a polyester polyol with functional cohesive units in main polymer chains. Using this polyester polyol, the hard segments of PU become tougher along with resin. The second distributes the cell diameter gradient toward the centre of the foam cross section. The split tear, one of the most important physical properties for midsole, is improved drastically. These new technologies will expand very lightweight PU into new applications and markets. 3 refs. JAPAN Accession no.755680 Item 78 Canadian Plastics 57, No.10, Oct.1999, p.42 FOAMED PARTS, BUOYANT REVENUES Applications for Finproject N.A. Inc.’s process for injection moulding expanded EVA are discussed. The foamed part produced is said to expand from between 1.4 to 1.9 times the original size when removed from the mould. Applications cited include shoe soles, boat bumpers, kick boards, sport padding, padding for hot tubs, wheels, snow board bindings and kayak seating pads. Research to find other materials for the process it is reported is being carried out, and resin suppliers and the National Research Council’s Industrial Materials Institute in Boucherville, Quebec are said to be assisting Finproject in this aim. FINPROJECT N.A.INC. CANADA Accession no.755217 Item 79 Macplas 24, No.211, Sept.1999, p.130-2 Italian RACING BOAT HULL An account is given of finite element methodology which was employed by the University of Palermo to optimise fibre orientation in the skins of a sandwich structure used in the construction of a racing boat hull, with the objective of achieving improved mechanical performance under various navigation conditions. The structure examined consisted of a PVC foam core and carbon fibre-reinforced epoxy resin skins. PALERMO,UNIVERSITY; ADM; NAPOLI,UNIVERSITA EUROPEAN COMMUNITY; EUROPEAN UNION; ITALY; WESTERN EUROPE Accession no.754652 Item 80 European Plastics News 26, No.11, Dec.1999, p.37 ACETAL TURNS THE CORNER Warmington A Overall, 1999 has been a year of stagnation for polyacetal and growth will probably be in the range of 1-2%. However, producers are seeing a marked improvement in this quarter. Europe’s three main producers are currently seeking to rectify a two-year price slide by pushing through an increase of 30pfg/kg. Currently, indicative price ranges for general purpose injection moulding copolymer grades are DM4.15-5.00/kg. The healthiest demand for polyacetal has come from the automotive sector and demand from the sports and leisure sector has also been good in recent months. WESTERN EUROPE-GENERAL Accession no.754607 Item 81 European Plastics News 26, No.11, Dec.1999, p.35-6 TRAINER TRENDS Lee S A modern high-tech sports shoe sole can consist of up to 25 components covering a wide range of plastics, elastomers and rubber compounds. The best known sports shoes are the “white” shoes produced by such companies as Nike. In their most basic form, these consist of sole units that have rubber outsoles with mid-soles of EVA, elastomeric blown PU or polyolefin elastomers. The uppers of these shoes also include a large number of plastic components. Other areas of sports footwear include “plated” sports shoes, such as football boots, and shell constructions, such as ski boots. EUROPEAN COMMUNITY; EUROPEAN UNION; UK; WESTERN EUROPE Accession no.754606 © Copyright 2001Rapra Technology Limited 35
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Subject Index A ABRASION, 133 305 A
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