Polymers in Sport and Leisure

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References and Abstracts DIVERSIFICATION RESHAPES ADVANCED- MATERIALS SECTOR Grande J A Most industry observers agree that further consolidation in the advanced composites industry is inevitable. Hexcel recently purchased Ciba-Geigy’s composites business and, through diversification, seeks to better balance its business which is 65% based on aerospace. The transition from military to civilian applications is slow, but progress is being measured. A key growth market is sports and recreation, for example, snowboards, ski poles, golf shafts, tennis racquets and bikes. Lockheed Martin heads a project for an integrated aerospace airframe which makes extensive use of resin transfer moulding. Fiber Innovations has demonstrated a braiding technology for constructing curved airbeams which form a rapidly erected shelter for the US Army. USA Accession no.589700 Item 334 Plastics World 54, No.5, May 1996, p.29 FINDING ITS SEA LEGS Schut J H Kayaks made of 100% post-consumer HDPE are being made for Walden Paddlers by two processes, thermoforming and rotomoulding. The kayaks are assembled by hot air welding so that they can be returned and recycled. The melt flow rate of the recycled HDPE bottle resin is kept as constant as possible by batchblending the recycle in very large amounts and closely controlling how it is blended with process regrind. To thermoform the kayak, Universal designed and built a double-ended thermoforming machine with an extra long forming area and catalytic heaters. The rotomoulded kayaks are produced by Hardigg Industries using a granulate form of PCR from injection moulded parts like pales and crates. USA Accession no.589655 Item 335 ICCM/9. Volume 6: Composites Properties and Applications. Conference Proceedings. Madrid, 12th-16th July 1993, p.208-15. 627 COMPOSITE MONOCOQUE FRAME FOR BICYCLES, THE DESIGN AND THE FABRICATION Jun E J; Kim B S; Joe C R Korea,Institute of Machinery & Metals Edited by: Miravete A (Zaragoza,University) A computer aided design scheme and a new fabrication technique for one-piece composite monocoque bicycle frames are described. For the fabrication process, a new method of building pressure in the mould was used. Composite tooling was used to produce the prototype composite frame. The mould developed was made using high cure temperature epoxy resin and carbon fabric. The frames developed in this study passed the vibration, impact, drop-weight and energy absorption tests and road tests and distortion tests were carried out on the frames as performance verification tests. COREX SPORTS CORP.; SAMCHULI BICYCLE INDUSTRIAL CO.LTD. KOREA Accession no.588173 Item 336 Plastics Technology 42, No.4, April 1996, p.51 MOULD EPP BEAD FOAM WITH AN INTEGRAL SKIN Naitove M The article describes the process of producing expanded polypropylene foam parts with a solid integral skin on one side, citing a bicycle helmet moulded from BASF’s Neopolen EPP bead, as an illustration. The self-skinning EPP process requires some modification of standard bead-moulding equipment, needing an extra steam chamber. Automotive interior trim is a potential application for the process. BASF CORP. USA Accession no.587430 Item 337 Modern Plastics International 26, No.4, April 1996, p.26-7 CONTRACT MANUFACTURING GAINS STRENGTH IN COMPUTER INDUSTRY Grande J A In the computer industry, contract manufacturing has reached a new level in meeting OEM’s one-stop shopping needs. Mack Molding’s new facility in southern Vermont handles high-volume projects, for example, the HP XLS800 data storage system for Hewlett Packard. Polycarbonate foam was used for the chassis and dividers, and injection moulded PC/ABS was used for the skins and modules. Similarly, in a consumer application, Mack handles moulding, assembly and distribution of Reebok’s step and slide aerobic devices. The Arlington plant features a high level of automation in processing and assembly. MACK MOLDING CO. USA Accession no.587309 Item 338 Du Pont Magazine European Edition No.1, 1996, p.28-30 WINNING WITH ‘TYVEK’ 84 © Copyright 2001 Rapra Technology Limited
References and Abstracts Tyvek flashspun HDPE is being used in rolling advertising displays at sports stadia. Advantages of its use in this application are described, and include is thinness, lightness, and toughness. It is puncture and abrasion resistant, and offers chemical resistance, water repellency, rot resistance and biological inertness. DUPONT; SPACE & TIME AG SWITZERLAND; WESTERN EUROPE Accession no.587064 Item 339 European Plastics News 23, No.4, April 1996, p.21 ROTOMOULDING MAKES BOATS American Rotational Molding recently won a prize from the US Association of Rotational Molders for its work on a “family” catamaran. The company can make a complete boat every two hours, compared to one boat a day for GRP boats. The boats are rotomoulded at 600C using a proprietary three-layer process. The first layer, which forms the tough outer surface of the catamaran, is made of crosslinked PE. The cycle is then interrupted as PE, laced with a heat-activated foaming agent, is fed in. The process is then restarted and the foam layer fuses to the crosslinked skin layer. The process is stopped again and the third layer, standard LLDPE, is introduced. AMERICAN ROTATIONAL MOLDING GROUP INC. USA Accession no.585802 Item 340 Revue Generale des Caoutchoucs et Plastiques No.738, Feb.1995, p.32-5 French INFLATABLE BOATS: AN UNSINKABLE MARKET Lavabre S The use of rubbers and plastics in inflatable boats is examined, and the activities of some companies involved in boat construction and the manufacture of coated fabrics are reviewed. Statistics are presented for the boat building industry in France, which is the world leader in the inflatables market. ZODIAC SA; BOMBARD; SEVYLOR INTERNATIONAL; JUMBO BOATS VERTRIEB GMBH; HURRICANE; PENNEL & FLIPO SA; ELF ATOCHEM SA; ZEPPELIN; GOMMONAUTICA; BERTRAND YACHT STYLE EUROPEAN COMMUNITY; EUROPEAN UNION; FRANCE; GERMANY; ITALY; WESTERN EUROPE; WORLD Accession no.583128 Item 341 Kunststoffe Plast Europe 86, No.1, Jan.1996, p.30-2 English; German ABS/POLYAMIDE-6 BLENDS. PERFORMANCE PROFILE OF MATERIALS FOR APPLICATIONS IN THE SPORTS AND LEISURE SECTORS Dunning L DSM A combination of high toughness, dimensional stability and resistance to extreme operating conditions is shown to make ABS/polyamide-6 blends suitable materials for sports and leisure applications. The further improvement of low-temp. impact strength, coupled with adequate rigidity and tracking resistance, opening up applications in winter sports and motorcycle racing, is discussed. EUROPEAN COMMUNITY; EUROPEAN UNION; NETHERLANDS; WESTERN EUROPE Accession no.582481 Item 342 Kunststoffe Plast Europe 86, No.1, Jan.1996, p.29-30 English; German LONG FIBRE-REINFORCED THERMOPLASTICS. TAILORED TO FILL THE NICHE BETWEEN GLASS MAT THERMOPLASTICS(GMT) AND HIGH- PERFORMANCE FIBRE-REINFORCED COMPOSITES Effing M Europaeische Entwicklungszentrum Continuous strand-reinforced thermoplastics are shown to be inexpensive, high-strength materials suitable for large-scale production of shell-shaped and flat structures. Typical applications, including automobile parts, transport containers, sports equipment and personal security elements, are discussed. 1 ref. EUROPEAN COMMUNITY; EUROPEAN UNION; GERMANY; WESTERN EUROPE Accession no.582480 Item 343 Plastics and Rubber Weekly No.1626, 8th March 1996, p.10 HALLAM GEARS UP FOR GROWTH Lunney A Hallam Plastics’ 25 years of expertise in structural foam and product finishing supports its claim as a specialist injection moulder. The company aims to double its 3.2m pounds sterling turnover within the next five years. Hallam is hoping to develop innovations based on a technology developed in the late 1960s. It usually consists of an engineering thermoplastic that has a strong cellular core surrounded by a solid outer skin, formed by using a blowing agent in a low pressure process for high stiffness, low stress mouldings. The Terraplas tile, used for stadium turf protection, is one example of the company’s product-line success using these tested methods. Hallam’s customer base stands at about 70, with the IT market to the fore. HALLAM PLASTICS © Copyright 2001Rapra Technology Limited 85
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Page 103 and 104: Subject Index A ABRASION, 133 305 A
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Page 107 and 108: Subject Index DOME, 320 DOMESTIC EQ
Page 109 and 110: Subject Index 168 228 324 340 379 F
Page 111 and 112: Subject Index IONENE POLYMER, 166 I
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Page 119 and 120: Subject Index 67 68 70 82 84 87 93
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