docPurbond Glue Technologies - the New Zealand Timber Design Society
download 
Report Transcription
Purbond Glue Technologies - the New Zealand Timber Design Society
Title of presentation New Zealand Timber Design Society - October 2009 Innovation with Timber - Adhesives used in Engineered Wood Elements Walter Stampfli General Manager Purbond Content Three parts • Engineered wood products • Adhesives for Engineered Wood • Tendency with gluing of wooden construction Engineered Wood Products • Milestones in Europe in engineered wood products • Engineered wood elements in Europe • Engineered wood products market and trends • Wood elements have to fulfil modern requirements Milestones in Europe in engineered wood products 1575 - 1770 Baroque 1906 Patent Otto Hetzer 1930 DIN 1052 Germany - First standard for engineered wood products 1940 1990 Development of finger jointing KVH – Finger jointed solid timber 2000 Cross laminated timber Milestones in Europe in engineered wood products 1575 – 1770 Baroque Curved, swept and blocked beam construction Milestones in Europe in engineered wood products 1906 – Patent Otto Hetzer Curved, glued laminated timber beams Beginning of modern engineered wood Milestones in Europe in engineered wood products 1930 – DIN 1052 – Germany First standard for engineered wood products Milestones in Europe in engineered wood products 1940 – Development of finger jointing Better use of the wood: cut out knots and defects and bond back together Milestones in Europe in engineered wood products 1990 – KVH: finger jointed solid timber Milestones in Europe in engineered wood products 2000 – Cross laminated timber Cross-laminated timber (KLH): layers of boards bonded crosswise to form large timber panels Engineered wood elements - Europe Glulam Duo-Trio beam Cross beam Log beam Finger jointed studs KVH Engineered wood elements - Europe I-beam I-joist Cross laminated timber panels Box girder solid timber panels LVL Engineered wood products are used in • Detached houses (single family) • Apartment houses Multi story wood construction houses are more and more accepted in the standards • Commercial buildings • Sport/event halls • Bridges Housing industry trends in Europe Multi stories houses Housing industry trends in Europe Housing industry trends in Europe Why are wooden houses in trend? • Innovative products and construction • Wood as a material creates a positive effect in people‘s minds • Ecological position of wood is accepted Engineered wood products have to fulfil modern requirements „Old“ requirements: • E1 (Europe) • F**** (Japan) • IARC-classification (World Health Organization) „New“ requirements: • CARB (California) • IOS-MAT-0003 (IKEA) • EPF-S (Europe) Engineered wood products have to fulfil modern requirements CARB (California Air Resources Board) • Establishes new formaldehyde emission limits for composite wood products; particleboard (PB), medium density fiberboard (MDF) and hardwood plywood (HWPW) panels. Engineered wood products have to fulfil modern requirements CARB • Applies to products sold, supplied, used, or manufactured for sale in California • Requires finished goods to be made from compliant PB, MDF and HWPW panels • Establishes enforcement program • Includes sell-through provisions Engineered wood products have to fulfil modern requirements • ATCM (Airborne Toxic Control Measure) allows exemption for manufacturers using no-added formaldehyde (NAF) or ultra low emitting formaldehyde (ULEF) resin systems • Requires application • Approvals case by case – CARB Executive Order; 2-year approval • 14 CARB approved (12 NAF; 2 ULEF) • Recordkeeping requirements Engineered wood products have to fulfil modern requirements Engineered wood products have to fulfil modern requirements Engineered wood products have to fulfil modern requirements Engineered wood products have to fulfil modern requirements EPF-S (Europe) New proposed standard of the “European Panel Federation” • Designed to close the formaldehyde discussion by offering a very low emitting board to the user at affordable cost • Based on uniform factory production control rules and frequent external supervision checks in accordance with European standards as well as long-standing European and national regulations • Boards achieve the formaldehyde expectations of IKEA and CARB II Engineered wood products have to fulfil modern requirements • Higher comfort • Better maintenance of value • Clear energy cost savings www.minergie.ch Engineered wood products have to fulfil modern requirements Renewable Energy recommended required Heat Energy Demand 90 % value limit 60 % value limit SIA 380/1:2009 SIA 380/1: 2009 Air Density good proved Thermal Insulation 20 cm to 25 cm 20 cm to 35 cm Thermal Protection Glazing 2-fold 3-fold Thermal Distribution usual distribution air heating possible A-Household Appliances recommended required Controlled Air Ventilation required required Heat Performance Demand no requirements max. 10 W/m2 * * with air heating Energy Weighting Factor Low pollution Higher life quality Engineered wood products have to fulfil modern requirements Comfort Good climate due to highly insulated, airtight building shell Adjustable shading systems guarantee high comfort in the summer. Heat-recovery ventilation allows a high level of user comfort during the whole year. Health Optimized daylight Lower noise emissions Lower pollution through construction material Low emissions of radiation (Radon) Energy-efficiency For a defined usage the total energy consumption lies 25 % and the use of fossil fuels lies 50 % under the average standard Building ecology Good availability of raw materials and high number of recyclable construction material Material with lower pollution during construction Easy recycling of buildings due to environmental friendly waste or recyclable material Light Noise Air climate Raw materials Production Recycling An example - http://www.neuemonterosahuette.ch Summary • Engineered wood products are established as construction material. • There are a variety of innovative engineered wood products developed and proven in standardization work. • Wood products can and have to fulfil modern requirements in the direction of ecological position. Adhesives for Engineered Wood 1900 Casein 1930 Urea-Formaldehyde (UF) 1940 (Phenol)-Resorcinol-Formaldehyde (RF/PRF) 1970 Melamine (Urea)-Formaldehyde (MF/MUF) 1990 One-Component Polyurethane (1C PUR) PURBOND PURBOND – Adhesives Mid 1980’s First applications of PURBOND in the glulam industry in Switzerland. 1994 PURBOND HB 110 got the approval in accordance to DIN 1052, after approx. 3 years testing in comparison to PRF adhesives. 1995 Market introduction of PURBOND HB 110 – made the success of “KVH” solid wood timber in Germany. - Since 1995 until 2008 approx. 30 mio m3 KVH was produced. after Widely spread the technology into the different application finger jointing and face gluing. App 2000 Starting with cross laminated timber. Physical Performance The quality of an adhesive bond can be defined according to ultimate strength, resistance to degradation by moisture, resistance to heat and elastic behavior. 1. 2. 3. 4. 5. Strength Durability Long-term performance Elastic behaviour and resistance to creep Resistance to high temperatures Schematic Morphology of Polyurethanes - Strong and Non-Brittle Hard segments • physical network with H-bridges unstretched • Urea groups hard segment • Urethane groups Soft segments soft segment • chemical network stretched • Polyether polyole 2009 PURBOND approvals worldwide PURBOND HB E US: Approved for SPF; SYP in progress CND: in progress PURBOND HB 514 in progress PURBOND HB and PURBOND HB S (planed for 2010) PURBOND HB S approved PURBOND HB S PURBOND HB S PURBOND HB approved PURBOND HB S in progress PURBOND HB S approved Development Finger Jointing Application with PURBOND 1990: Roller application 1998: Comb application 2003: KEBA – Contact free application Development Finger Jointing Application with PURBOND 2003: Camera System 2007: PSS – Purbond Security System – Sensor Technology Development Finger Jointing Application with PURBOND 2009: PSS Comb Development Face Gluing Application with PURBOND 1995 1998: Nozzles 2002: “Giessrohr” Save and secured applications with PURBOND Save and secured applications with PURBOND Save and secured applications with PURBOND Safe and clean working environment PURBOND adhesives applications Safe, clean, no waste Secure Controlled/stored PURBOND adhesives fulfil modern environmental requirements PURBOND adhesives fulfil • • • • • F**** (Japan) – no formaldehyde 4 VOC (Japan) – no solvent CARB (California) IOS-MAT-0003 (IKEA) EPF-S (Europe) Engineered wood constructions are increasing their market share PURBOND stands for the latest proven technology and fulfils all modern requirements that house investors have. PIRCHER, Italy GR Sistemi, Italy PWP, New Zealand Our pursuit of product excellence has seen us always looking for proven technologies that give the finished product an environmental or technical advantage. We were one of the first sites to utilise Purbond Polyurethane Adhesives – Formaldehyde free and fully waterproof (awarded Purbond customer achievement award for 2007). ITC, Australia Australian lumber producer capitalizes on Purbond Brand name Tendency with gluing of wooden construction • Wood as construction material is increasing and the image is changing. “Old” prejudices • • • • • Wood is specially fire endangered Wood is cheap Wood does not look nice Wood is not noise protective Wood is short-lived, it rots and moulds Effective benefits Wood • is easy to process • is qualified for prefabrication • has high strength with low weight • is easy to combine with other materials like steel, glass, etc. • is natural, aesthetic, cosy • is air humidity regulating, heat-insulating, diffusible, antistatic • • • • The resistance to fire can be calculated Wood has high surface temperature Wood constructions are energy efficient Short construction time because no humidity brought in Effective benefits Ecological benefits: • Renewable • CO2 neutral • Local availability / short transit Economic benefits: • Short construction time • Low weight with good static performance • Good thermal insulation • No non-recyclable waste Wood the ideal construction material Projects DOKA Formwork I-beams I-beams since 1997 Projects Chesa Futura, St. Moritz, Switzerland Spruce Finger jointing and Face gluing PURBOND® HB 110 and HB 530 Year 2001 Projects Salt Storage “Saldome”, Switzerland (1) Spruce Face gluing PURBOND® HB 181 Year 2005 Projects Palais de l‘equilibre, Swiss Expo 2002, Neuchâtel, Switzerland Spruce Face gluing PURBOND® HB 110 Year 2001 Projects Toskana Thermae, Bad Sulza, Germany Spruce Face gluing PURBOND® HB 110 Year 2001 Projects Scottish Parliament Building, Edinburg, Scotland Oak Finger jointing PURBOND® HB 110 Year 2001 Projects Indoor swimming hall, Italy Spruce Face gluing PURBOND® HB 181 Year 2006 Projects Casa Montarina – Six Storey building in timber construction, Lugano, Swizterland Spruce Finger jointing and face gluing PURBOND® HB 110 & 530 Year 2008 Tendencies in bonding of wood elements used in load bearing constructions Combination Wood to concrete and steel • Wood – Concrete – Composite systems • Wood - Steel – Glued Connection Glued-in rods Glued-in perforated metal plates Intersection point Bearing fixation Main and lateral fixation Wood – Concrete – Composite systems Concrete Shear connector Wood Wood - Steel – Glued Connection Wood - Steel – Glued Connection Roller coaster Wheel track CR42 1 Wood - Steel – Glued Connection PURBOND – Adhesives for a better world. Thank you for your attention!
