JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - 40

FEATURE “Construction” Reinforced thermoplastics enable affordable storm-resistant structures In the quest to develop storm- and blast-resistant structures, two leaders in composite technology joined forces to develop material systems that are both strong and affordable. Reinforced thermoplastics are changing the way structural composites are made by enabling nailable wood laminates that can be used with traditional tools and assembly methods. HABIB JOSEPH DAGHER, P.E. DIRECTOR, ADVANCED STRUCTURES & COMPOSITES LABORATORY THE UNIVERSITY OF MAINE ED PILPEL, PRESIDENT, POLYSTRAND, INC. More information Polystrand, Inc. Polystrand, Inc. is a privately-held company focused on next-generation composites. Founded in 2004 and headquartered in Montrose, Colorado, USA, Polystrand developed a material system that combines continuous structural fibres and thermoplastic resin into tapes or coils in a unidirectional and 0º/90º cross ply that can be heated and reformed to create end-use applications. development of new assembly techniques that added cost and were unfamiliar to the craftsmen building the structures. Components made from thermosetting polymers also tended to be available in specific sizes that were difficult to cut, leading to limited flexibility on the job site. We are now using reinforced thermoplastics and find they can be fabricated with the same tools that contractors use with ordinary wood. Thermoplastics have other advantages in construction such as the absence of volatile organic compounds (VOCs). This can be an issue for thermoset composites in hot climates where offgassing in close living quarters can cause discomfort for occupants. Thermoplastics are also easy to manufacture and recycle, which are important benefits in the move to sustainable construction. omposites and wood may seem like unlikely allies but the University of Maine’s Advanced Structures & Composites Laboratory and Polystrand, Inc. have joined forces to develop new and improved material systems for construction. A recent breakthrough resulting from this alliance is a technology platform for high-strength beams and panels that can be cut and nailed like traditional wood components. One enabler for this breakthrough is the use of reinforced thermoplastics that easily accept the nails and screws used in traditional construction. Beams and panels made with laminated wood and reinforced thermoplastics can be used in much the same way that carpenters and framing specialists have traditionally assembled homes and commercial structures in the U.S. Andrew sparks analysis The University of Maine was first asked to help improve the storm resistance of homes and commercial buildings after Hurricane Andrew in 1992, the second-most-destructive hurricane in U.S. history. Andrew caused $26.5 billion in damage (worth about $40 billion today) with most of that damage occurring in south Florida. The lab was asked to study the structural failures in south Florida to identify weaknesses and recommend solutions for the construction industry. It is well-known that wood can be brittle and becomes more so as it ages and dries. It was discovered that building components were much more ductile or malleable when A composites and wood structure is assembled for blast testing. When composites were developed for construction applications in the past, they were typically made with thermosetting polymers, either alone or in combination with other materials including wood. While the assemblies were very strong, it was nearly impossible to drive a nail or screw into them. That led to the JEC Composites Magazine / No42 July-August 2008

JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008

Cover
- Applications Composite aerodynamic front-end cabs for passenger trains
- Citadel Plastics acquires BMC Inc.
- Niche market Durable concrete formwork system
- Cool radiators for hot trucks
BUSINESS - Market survey Hexcel anniversary in 2008 marked by investment
- Raw material Corrosion resistance of High-Performance Glass fibres
USERS’ PLATFORM KNOW-HOW Composites in the world Carbon fibre iPhone case
- New generation of hydrogen cars
- Architecture Composites and architecture: the perfect couple
- EEE enclosures
- Thermoplastics Reinforced thermoplastics enable affordable storm-resistant structures
- Gurit signs 4-year supply agreement with EADS
Innovations
- TechnoCompound expands its production
- SGL Group opens central technology and innovation centre
Agenda of events
FEATURE - Partnership Smart composite materials project DECID2 for structural applications
- Hankuk Fiber Group, one man’s determination
- Process Rapid processing of tubular parts made of thermoplastic composites ......................................
- Process Polydicyclopentadiene winning over construction professionals
- Trenchless pipes’ installation
- Corrosion Composite linings for corrosion protection
- Unmanned aircraft made of high-temperature prepreg
- High impact-strength spokes
NEWS WORLDWIDE - Companies GKN Aerospace creates repair facility for metallic and composite structures
- Raw material SMC/BMC compounds for building and construction
- Trends Coatema expertise: coating and materials handling technologies for prepregs
- The world’s largest offshore wind farm project
- Subsea structures
- Design “Eco-characterisation” of composite materials
- Special JEC Composite Asia
- Hitco to supply components for the B787
- Sandwich structure Polypropylene honeycombs for a variety of uses
- Head restraint system
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - Cover
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - NEWS WORLDWIDE - Companies GKN Aerospace creates repair facility for metallic and composite structures
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Hitco to supply components for the B787
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Hankuk Fiber Group, one man’s determination
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - Agenda of events
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - Innovations
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - BUSINESS - Market survey Hexcel anniversary in 2008 marked by investment
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Niche market Durable concrete formwork system
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Trends Coatema expertise: coating and materials handling technologies for prepregs
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - FEATURE - Partnership Smart composite materials project DECID2 for structural applications
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - 29
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Architecture Composites and architecture: the perfect couple
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - 32
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Raw material SMC/BMC compounds for building and construction
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - 34
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Process Polydicyclopentadiene winning over construction professionals
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Thermoplastics Reinforced thermoplastics enable affordable storm-resistant structures
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - 41
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - 42
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Sandwich structure Polypropylene honeycombs for a variety of uses
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - 45
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Corrosion Composite linings for corrosion protection
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - 47
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - High impact-strength spokes
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Head restraint system
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Applications Composite aerodynamic front-end cabs for passenger trains
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - 53
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Trenchless pipes’ installation
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Unmanned aircraft made of high-temperature prepreg
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Subsea structures
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - 57
JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Design “Eco-characterisation” of composite materials
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Raw material Corrosion resistance of High-Performance Glass fibres
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Process Rapid processing of tubular parts made of thermoplastic composites ......................................
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JEC COMPOSITES MAGAZINE - Issue #42 - July/August 2008 - - Special JEC Composite Asia
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