Novel Bio-Binders For Use in Composite Wood Products
Transcription
Novel Bio-Binders For Use in Composite Wood Products
Bio-Binders For Use In Composite Wood Products October 11, 2013 Alex Tseitlin – Senior Scientist, ECOSYNTHETIX Charles Markessini – R&D Director, Chimar Hellas “EcoSynthetix®”, “Sustainable Polymers For Planet Earth™” and biolax® are trademarks or registered trademarks of EcoSynthetix or its affiliates. All rights reserved. Delivering success through our partnerships Current Applications Current Research Industrial & Academic Partners* *plus more under confidentiality Introduction to Chimar FACTS & FIGURES: 36 Years in 37 Countries and 70+ Industrial sites Combined capacity: > 1.0 million tons of liquid resin 24 strong team: ACTIVITES: Developer and supplier of technology for the industrial production and APPLICATION of Formaldehyde-based resins and additives Engineering services for formaldehyde and resin plants R&D services for third parties Technical support services for resin, WBP producers & OEMs Specialty chemicals production upon request (Hardeners, FR, Wetting agents) Applying natural materials for biolatex® polymers Biopolymer Source + Chemicals Patented Formula Proprietary Continuous Manufacturing Process Patented Process Biolatex® Dry Polymer Patented Product Transforming native starch into cross-linked small particles Natural Biopolymer Granules Historical Approaches Dextrin fragments Novel Patented Approach Cross-linked particles • Retains high molecular weight functionality at a viscosity suitable for a range of industrial applications. • Reversible ability to absorb liquid and swell creating insoluble gel. • Reduced tendency to migrate and create mottle in topcoat application 1H-NMR spectra confirming biolatex is chemically unique from starch coating systems 1H NMR spectra (D2O – room temperature) Starch 2 Starch 1 Biolatex Small functional particles with excellent rheology in coatings and binding strength in structural materials. Biolatex particle size distribution impact excellent rheology and process-ability in many applications. biolatex® nanoparticle emulsion 10 nm SB Acrylic Emulsion Emulsion 100 nm 1000 nm 10,000 nm 100,000 nm 1 µm 10 µm 100 µm Particle Size Measurements ) Measured by Dynamic Light Scattering ISO : 13321 in conformance with GMP Lab: Particle Technology Labs Date: July 1, 2013 Native Corn Starch Unique properties of biolatex binders No added formaldehyde Compatibility with numerous chemistries Safe handling Delivered in dry powder – easily dispersed Dispersion of polymer particles in water - OR- Direct dispersion into an aqueous solutions Stabilized by hydroxyl-groups at the surface One liter aqueous dispersion at 35% solids contains: 18 ~1x10 particles 2 Surface area ~40 000 m Excellent coating and binding mechanics Small particles provide unique benefits Tailored functionality through chemical modifications Applications: ( - Glucose - )n Wood composites Coatings Insulation Adhesives Non-wovens Independent Lab Evaluation: Biobased Binders Lab, pilot and industry trials Lab Facility: Chimar Laboratories Accredited Test Lab Thessaloniki, Greece Lab Commercial Pilot Industry Lab evaluation settings Panel product Single layer particleboard Panel size, mm x mm x mm Panel density, kg/m3 440 x 440 x 16 660 Initial resin loading, %on dry wood 8 Paraffin wax loading, %on dry wood 0.5 Hardener loading (NH4)2SO4, % Mat moisture, % Resin type 3 11.5 UmF 096/066RS Press temperature, oC 210 Wood mix: Scots pine, maritime pine & european black pine Contour Plot of ΙΒ (MPa) vs Press Factor, s/mm; Substitution, % ΙΒ (MPa) < 0,20 0,20 – 0,25 0,25 – 0,30 0,30 – 0,35 0,35 – 0,40 0,40 – 0,45 > 0,45 Press Factor, s/mm 10,0 9,5 9,0 8,5 8,0 10 20 30 40 50 60 Substitution, % 70 80 Contour Plot of MOR (MPa) vs Press Factor, s/mm; Substitution, % MOR (MPa) < 9,5 9,5 – 10,0 10,0 – 10,5 10,5 – 11,0 11,0 – 11,5 11,5 – 12,0 12,0 – 12,5 > 12,5 Press Factor, s/mm 10,0 9,5 9,0 8,5 8,0 10 20 30 40 50 60 Substitution, % 70 80 Contour Plot of Swelling (%) vs Press Factor, s/mm; Substitution, % Swelling (%) < 40 40 – 50 50 – 60 60 – 70 70 – 80 > 80 Press Factor, s/mm 10,0 9,5 9,0 8,5 8,0 10 20 30 40 50 60 Substitution, % 70 80 Contour Plot of Formaldehyde con vs Press Factor, s/; Substitution, % Formaldehy d content < 3,5 3,5 – 4,0 4,0 – 4,5 4,5 – 5,0 5,0 – 5,5 > 5,5 Press Factor, s/mm 10,0 9,5 9,0 8,5 8,0 10 20 30 40 50 60 Substitution, % 70 80 Formaldehyde content in mg/100g O.D.B. according to EN 120 (Perforator Method) Lab, pilot and industry trials Lab Pilot Commercial Pilot Trial: Industry Alberta Innovates Technology Futures = “AITF” Edmonton, Alberta “AITF” production settings Panel product Single layer MDF Panel size, mm x mm x mm 610 x 610 x 21.3 Panel density, kg/m3 800 Initial resin loading, %on dry wood 12 Paraffin wax loading, %on dry wood 0.5 Hardener loading (NH4)2SO4, % Mat moisture, % Resin type 0 9 -11 UF 096D Press temperature, oC 160 Press cycle, s 600 Wood mix: 60% lodgepole pine, 40% white spruce with a small % of balsam fir Pilot test at “AITF” Internal bond versus replacement Pilot Test at “AITF” MOR versus replacement Lab, pilot and industry trials Lab Commercial Industrial Trial: MDF Production European Region Pilot Industrial Industrial MDF production settings Panel product Single layer MDF Ex-Press panel thickness, mm Panel density, kg/m3 (lb/ft3) 19.5 700 – 720 (43.5 – 45.0) Initial resin loading, %on dry wood 11 Paraffin wax loading, %on dry wood 0.5 Hardener loading (NH4)2SO4, % 1.5 Mat moisture, % Resin type UF 096D Press temperature, oC Press cycle, s 9 240 – 220 – 210 –190 193.5 Wood mix: Scots pine (80%) and white poplar (20%) Industrial MDF Internal Bond (IB) 0.85 Control 0.80 20% substitution 30% substitution I.B., N/mm2 0.75 end Control 0.70 0.65 0.60 0.55 660 670 680 690 700 710 Density, kg/m3 720 730 740 750 760 Industrial MDF results Control Start Ex. #1 Ex. #2 Control End 0 20 30 0 Density, kg/m3 733 700 709 726 I.B., N/mm2 0.77 0.68 0.67 0.68 M.O.R., N/mm2 26.6 28.3 27.2 Moisture content, % Formaldehyde emissions Gas analysis, (mg·m-2·h-1) Formaldehyde content at 6,5% MC mg/100g O.D.B. 4.4 4.4 4.6 4.2 4.1 3.3 7.9 8.7 7.4 % replacement 0.69N/mm2 is 100PSI 25.0N/mm2 is 3,626PSI Discussion - Conclusions • The biolatex bio binders showed excellent compatibility with UF / UmF resins • In lab, pilot and industrial scale • Current applications: – MDF – Face PB • Substitution ratio of two parts of UF / UmF by one part of biolatex supports economic viability • More R&D is on the way to further improve performance to cost ratio and broaden application spectrum Thank you Novel Bio-Binders For Use In Composite Wood Products October 11, 2013 Alex Tseitlin – Senior Scientist, ECOSYNTHETIX Charles Markessini – R&D Director, Chimar Hellas “EcoSynthetix®”, “Sustainable Polymers For Planet Earth™” and biolax® are trademarks or registered trademarks of EcoSynthetix or its affiliates. All rights reserved.