JEC COMPOSITES MAGAZINE - Issue #71 - March 2012 - 73

wind energy

New GL-approved resin systems for wind applications

> Booth G65

Within its range of infusion resin systems for wind blades and other large composite structures, Huntsman offers a comprehensive range of recently Germanischer Lloyd (GL) approved epoxy resin systems which meet the stringent processing and performance requirements for wind blade manufacturing. Huntsman has adapted its resin systems for a range of processes, including wet lay-up, infusion and prepregging. www.huntsman.com
multi-sector

multi-sector

High-performance cross-laminated nonwovens

> Booth V90

A new generation of fire resistant composites

> Booth K70

JX Nippon ANCI group manufactures and sells unique nonwoven fabrics, named Claf and Milife. Claf is a cross-laminated polyethylene or polypropylene open-mesh reinforcement fabric. Milife is a cross-laminated polyester nonwoven fabric. The company also offers thermal lamination, process design and implementation, and product development services. The group has begun to sell a flame-retardant grade of the Milife polyester nonwoven fabric. This flame-retardant fabric is made of non-combustible resins from Trevira GmbH (Germany) and benefits from the “Trevira CS” trademark for products that have passed Trevira’s non-combustibility test. The Claf open-mesh reinforcement fabric is available in sustainable-origin resin (partially) and a PET version is under development. www.clafusa.com
multi-sector

High mechanical properties and unique fire resistance are the key characteristics ensuring that basalt fibres are more and more used in a world with increasingly strict fire regulations. The fact that basalt fibres retain their integrity at elevated temperatures is a major asset. By combining this fibre with a resin that doesn’t compromise on the fire behaviour, a unique combination has been found. At the JEC 2012, Basaltex will present new solutions based on basalt fibres that have been developed together with partners. These solutions combine fire resistance with high mechanical performance. They are intended for high-volume markets which require high fire resistance, such as railway, construction, offshore applications, etc.
www.basaltex.com
multi-sector

Polyurethane matrix > Booth R45 resin for automotive composites

Epoxy technology > Booth V25 concept for VaRTM impregnation

With lightweighting in mind, automotive manufacturers are using more and more parts made from carbon fiber or glass fiber composites. Henkel has developed a polyurethane-based composite matrix resin that cures faster than the traditional epoxy resins. Composites based on carbon fiber or glass fiber are gaining momentum in various application areas due to the opportunity for enormous weight savings over traditional part construction, with no loss in mechanical performance. Starting in aerospace where pre-impregnated fibers (prepregs) are manually laid up and then baked into composites, many different applications are now penetrating into the automotive industry. New manufacturing methods like resin transfer molding enable economic processes that are suited for high volume automotive production. For the resin transfer molding process, Henkel has developed a new composite matrix resin based on polyurethane which enables improved economics and throughput in processing. Compared to standard epoxy matrix resins, the new Loctite MAX2 cures significantly faster. During injection, it also enables more efficient impregnation without stressing the fibers due to the lower viscosity of the resin. The composite properties of Loctite MAX2 were specially developed to provide more flexibility as well as much higher impact resistance than traditional epoxy resins.
www.henkel.com

Nagase ChemteX develops a variety of adhesives widely used in the electrical appliances, automotive, machining, maritime, and aerospace industries. Typical Properties of the new epoxy resin system 1) Hybrid curing system for windmill blade impregnation Epoxy resin and Polyester resin are used for windmill blade impregnation, but each has good and bad feature. Nagase ChemteX developed a resin system by interpenetrating network technology. This idea is based on the co-polymerization reaction of additional and radical polymerization. 2) Another topics -Nonflammable and transparent VaRTM system for railway This technology is developed for Fluorescent light cover of railway. The combination of overlay and GFRP are consisted with inorganic transparent clay strike film and transparent fire retardant GFRP. This is joint development with AIST (the national institute of Advance Institute of Science and Technology) and Nagase CemteX. -The high toughness epoxy adhesives like thermo-plastics This technology is developed for Automotive adhesive instead of weld-bonding. This Adhesives is under evaluating by Port University. www.nagasechemtex.co.jp

No71 March 2012 /

jec composites magazine 73

http://www.huntsman.com http://www.basaltex.com http://www.clafusa.com http://www.nagasechemtex.co.jp http://www.henkel.com

JEC COMPOSITES MAGAZINE - Issue #71 - March 2012

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #71 - March 2012