Tannin-Based Foams: The Innovative Material for Insulation Purposes

G. Tondi; A. Petutschnigg

doi:10.1002/9781119441632.ch4

Tannin-Based Foams: The Innovative Material for Insulation Purposes

G. Tondi, A. Petutschnigg

Design and Green Engineering

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

Tannin-based foams are black porous materials which have the main advantage of being up to 100% natural, lightweight, fire-resistant and with a low thermal conductivity. These properties are the most important for building insulation purposes and therefore tannin foams have attracted significant market and industrial interest. Tannin foams are also a versatile material that can be produced with tailored properties modifying the formulation components and the process parameters; however the brittleness and the relatively weak mechanical properties suggested the need for a supporting material. For this reason, tannin-foam-based sandwich boards have been successfully produced with various wood and wood engineered side-layers such as HDF, particleboards and OSB. The production of these composite materials is nowadays industrially possible without the need of any external adhesive. An innovative and interesting product for the new generation of green insulation materials has been developed. © 2017 Scrivener Publishing LLC.

Original language	English
Title of host publication	Handbook of Composites from Renewable Materials
Publisher	Wiley-Blackwell
Pages	93-105
Number of pages	13
Volume	1-8
ISBN (Electronic)	9781119441632
ISBN (Print)	9781119224365
DOIs	https://doi.org/10.1002/9781119441632.ch4
Publication status	Published - 2017

Keywords

Black panels
Formaldehyde-free
Green foam
Industrial production
Insulation material
Sandwich panels
Thermal conductivity
Adhesives
Flavonoids
Fracture mechanics
Glass ceramics
Insulating materials
Porous materials
Tannins
Formaldehyde free
Insulation materials
Sandwich panel
Thermal insulation

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10.1002/9781119441632.ch4

https://www.scopus.com/inward/record.uri?eid=2-s2.0-85050947096&doi=10.1002%2f9781119441632.ch4&partnerID=40&md5=2b32e398e4c40d2a5a0e171e85b64584

Cite this

@inbook{838dde524cdf49f493d5ba225ef14bec,

title = "Tannin-Based Foams: The Innovative Material for Insulation Purposes",

abstract = "Tannin-based foams are black porous materials which have the main advantage of being up to 100\% natural, lightweight, fire-resistant and with a low thermal conductivity. These properties are the most important for building insulation purposes and therefore tannin foams have attracted significant market and industrial interest. Tannin foams are also a versatile material that can be produced with tailored properties modifying the formulation components and the process parameters; however the brittleness and the relatively weak mechanical properties suggested the need for a supporting material. For this reason, tannin-foam-based sandwich boards have been successfully produced with various wood and wood engineered side-layers such as HDF, particleboards and OSB. The production of these composite materials is nowadays industrially possible without the need of any external adhesive. An innovative and interesting product for the new generation of green insulation materials has been developed. {\textcopyright} 2017 Scrivener Publishing LLC.",

keywords = "Black panels, Formaldehyde-free, Green foam, Industrial production, Insulation material, Sandwich panels, Thermal conductivity, Adhesives, Flavonoids, Fracture mechanics, Glass ceramics, Insulating materials, Porous materials, Tannins, Formaldehyde free, Insulation materials, Sandwich panel, Thermal insulation",

author = "G. Tondi and A. Petutschnigg",

note = "Cited By :6 Export Date: 14 December 2023 Correspondence Address: Tondi, G.; Dept of Forest Products Technology and Timber Construction, Austria; email: [email protected] References: Basso, M.C., Li, X., Fierro, V., Pizzi, A., Giovando, S., Celzard, A., Green, formaldehyde-free, foams for thermal insulation (2011) Adv. Mater. Lett., 2 (6), pp. 378-382; Basso, M.C., Giovando, S., Pizzi, A., Celzard, A., Fierro, V., Tannin/furanic foams without blowing agents and formaldehyde (2013) Ind. Crops Prod., 49, pp. 17-22; Basso, M.C., Giovando, S., Pizzi, A., Lagel, M.C., Celzard, A., Alkaline tannin rigid foams (2014) J. Renew. Mat., 2 (3), pp. 182-185; Basso, M.C., Giovando, S., Pizzi, A., Pasch, H., Pretorius, N., Delmotte, L., Celzard, A., Flexibleelastic copolymerized polyurethane-tannin foams (2014) J. Appl. Polym. Sci., 131 (13); Basso, M.C., Pizzi, A., Lacoste, C., Delmotte, L., Al-Marzouki, F.M., Abdalla, S., Celzard, A., MALDI-TOF and 13C NMR Analysis of fannin-furanic-polyurethane foams adapted for industrial continuous lines application (2014) Polymers, 6, pp. 2985-3004; Celzard, A., Zhao, W., Pizzi, A., Fierro, V., Mechanical properties of tannin-based rigid foams undergoing compression (2010) Mat. Sci. Eng.: A, 527 (16), pp. 4438-4446; Celzard, A., Fierro, V., Amaral-Labat, G., Pizzi, A., Torero, J., Flammability assessment of tannin-based cellular materials (2011) Polym. Degr. Stab., 96 (4), pp. 477-482; Celzard, A., Szczurek, A., Jana, P., Fierro, V., Basso, M.C., Bourbigot, S., Pizzi, A., Latest progresses in the preparation of tannin-based cellular solids (2015) J. Cell. Plas., 51 (1), pp. 89-102; {\v C}op, M., Laborie, M.P., Pizzi, A., Sernek, M., Curing characterisation of spruce tanninbased foams using the advanced isoconversional method (2014) BioResources, 9 (3), pp. 4643-4655; De Yuso, A.M., Lagel, M.C., Pizzi, A., Fierro, V., Celzard, A., Structure and properties of rigid foams derived from quebracho tannin (2014) Mat. Des., 63, pp. 208-212; Kolbitsch, C., Link, M., Petutschnigg, A., Wieland, S., Tondi, G., Microwave produced tanninfuranic foams (2012) J Mat Sci Res, 1 (3), p. 84; Working Group on the Evaluation of Carcinogenic Risks to Humans. Formaldehyde, 2-butoxyethanol and 1-tert-butoxypropan-2-ol (2006) IARC monographs on the evaluation of carcinogenic risks to humans/World Health Organization, International Agency for Research on Cancer, 88, p. 1; Lacoste, C., Basso, M.C., Pizzi, A., Laborie, M.P., Garcia, D., Celzard, A., Bioresourced pine tannin/furanic foams with glyoxal and glutaraldehyde (2013) Ind. crops Prod., 45, pp. 401-405; Lacoste, C., Basso, M.C., Pizzi, A., Laborie, M.P., Celzard, A., Fierro, V., Pine tannin-based rigid foams: Mechanical and thermal properties (2013) Ind. crops Prod., 43, pp. 245-250; Lagel, M.C., Pizzi, A., Giovando, S., Celzard, A., Development and Characterisation of Phenolic Foams with Phenol-Formaldehyde-Chestnut Tannins Resin (2014) J. Renew. Mat., 2 (3), pp. 220-229; Li, X., Pizzi, A., Lacoste, C., Fierro, V., Celzard, A., Physical properties of tannin/furanic resin foamed with different blowing agents (2012) BioResources, 8 (1), pp. 743-752; Li, X., Essawy, H.A., Pizzi, A., Delmotte, L., Rode, K., Le Nouen, D., Celzard, A., Modification of tannin based rigid foams using oligomers of a hyperbranched poly (amine-ester) (2012) J.Polym. Res., 19 (12), pp. 1-9; Li, X., Basso, M.C., Fierro, V., Pizzi, A., Celzard, A., Chemical modification of tannin/furanic rigid foams by isocyanates and polyurethanes (2012) Maderas., 14 (3), pp. 257-265; Li, X., Pizzi, A., Cangemi, M., Fierro, V., Celzard, A., Flexible natural tannin-based and protein-based biosourced foams (2012) Ind. crops Prod., 37 (1), pp. 389-393; Li, X., Srivastava, V.K., Pizzi, A., Celzard, A., Leban, J., Nanotube-reinforced tannin/furanic rigid foams (2013) Ind. crops Prod., 43, pp. 636-639; Link, M., Kolbitsch, C., Tondi, G., Ebner, M., Wieland, S., Petutschnigg, A., Formaldehyde-free tannin based foams and their use as lightweight panels (2011) BioResources, 6 (4), pp. 4218-4228; Meikleham, N.E., Pizzi, A., Acid-and alkali-catalyzed tannin-based rigid foams (1994) J. Appl. Polym. Sci., 53 (11), pp. 1547-1556; Pizzi, A., Tondi, G., Pasch, H., Celzard, A., Matrix-assisted laser desorption/ionization time-of-flight structure determination of complex thermoset networks: Polyflavonoid tannin-furanic rigid foams (2008) J. Appl. Polym. Sci., 110 (3), pp. 1451-1456; S{\'a}nchez-Mart{\'i}n, J., Beltr{\'a}n-Heredia, J., Delgado-Rega{\~n}a, A., Rodr{\'i}guez-Gonz{\'a}lez, M.A., Rubio-Alonso, F., Optimization of tannin rigid foam as adsorbents for wastewater treatment (2013) Ind. crops Prod., 49, pp. 507-514; Sanchez-Martin, J., Beltran-Heredia, J., Delgado-Rega{\~n}a, A., Rodriguez-Gonzalez, M.A., Rubio-Alonso, F., Adsorbent tannin foams: New and complementary applications in wastewater treatment (2013) Chem. Eng. J., 228, pp. 575-582; Szczurek, A., Fierro, V., Pizzi, A., Stauber, M., Celzard, A., A new method for preparing tannin-based foams (2014) Ind. crops Prod., 54, pp. 40-53; Tondi, G., Pizzi, A., Masson, E., Celzard, A., Analysis of gases emitted during carbonization degradation of polyflavonoid tannin/furanic rigid foams (2008) Polym. Degr. Stab., 93 (8), pp. 1539-1543; Tondi, G., Pizzi, A., Tannin-based rigid foams: Characterization and modification (2009) Ind. crops Prod., 29 (2), pp. 356-363; Tondi, G., Pizzi, A., Pasch, H., Celzard, A., Rode, K., MALDI-ToF investigation of furanic polymer foams before and after carbonization: Aromatic rearrangement and surviving furanic structures (2008) Eur. Polym. J., 44 (9), pp. 2938-2943; Tondi, G., Zhao, W., Pizzi, A., Du, G., Fierro, V., Celzard, A., Tannin-based rigid foams: A survey of chemical and physical properties (2009) Biores. Technol., 100 (21), pp. 5162-5169; Tondi, G., Blacher, S., L{\'e}onard, A., Pizzi, A., Fierro, V., Leban, J.M., Celzard, A., X-ray microtomography studies of tannin-derived organic and carbon foams (2009) Microsc. Microanal., 15 (5), pp. 384-394; Tondi, G., Fierro, V., Pizzi, A., Celzard, A., Tannin-based carbon foams (2009) Carbon, 47 (6), pp. 1480-1492; Tondi, G., Oo, C.W., Pizzi, A., Trosa, A., Thevenon, M.F., Metal adsorption of tannin based rigid foams (2009) Ind. crops Prod., 29 (2), pp. 336-340; Tondi, G., Pizzi, A., Olives, R., Natural tannin-based rigid foams as insulation for doors and wall panels (2009) Maderas, 10 (3), pp. 219-227; Tondi, G., Pizzi, A., Delmotte, L., Parmentier, J., Gadiou, R., Chemical activation of tannin-furanic carbon foams (2010) Ind. crops Prod., 31 (2), pp. 327-334; Tondi, G., Thevenon, M.F., Mies, B., Standfest, G., Petutschnigg, A., Wieland, S., Impregnation of Scots pine and beech with tannin solutions: Effect of viscosity and wood anatomy in wood infiltration (2013) Wood sci. technol., 47 (3), pp. 615-626; Tondi, G., Link, M., Kolbitsch, C., Petutschnigg, A., Infrared-catalyzed synthesis of tanninfuranic foams (2013) BioResources, 9 (1), pp. 984-993; Tondi, G., Link, M., Oo, C.W., Petutschnigg, A., A simple approach to distinguish classic and formaldehyde-free tannin based rigid foams by ATR FT-IR (2015) J. Spectr., 2015; Tondi, G., Johansson, M., Leijonmarck, S., Trey, S., Tannin based foams modified to be semiconductive: Synthesis and characterization (2015) Progr. Org. Coat., 78, pp. 488-493; Tondi, G., Petutschnigg, A., Hydrophobic tannin foams (2015) Int. Wood Prod. J., , 2042645315Y-0000000007; Tondi, G., Link, M., Kolbitsch, C., Sandwich panels with 100\% natural tannin furanic foam core (2015) For. Prod. J., 65, pp. s33-s38; Tondi, G., Link, M., Kolbitsch, C., Lesacher, R., Petutschnigg, A., Pilot plant up-scaling of tannin foams (2015) Ind. Crops Prod.; Tondi, G., Link, M., Kolbitsch, C., Gavino, J., Luckeneder, P., Petutschnigg, A., Herchl, R., Van Doorslaer, C., Lignin-based foams: Production process and characterization (2016) BioResources; Zhao, W., Pizzi, A., Fierro, V., Du, G., Celzard, A., Effect of composition and processing parameters on the characteristics of tannin-based rigid foams. Part I: Cell structure (2010) Mat. Chem. Phys., 122 (1), pp. 175-182; Zhao, W., Fierro, V., Pizzi, A., Du, G., Celzard, A., Effect of composition and processing parameters on the characteristics of tannin-based rigid foams. Part II: Physical properties (2010) Mat. Chem. Phys., 123 (1), pp. 210-217; Zhou, X., Pizzi, A., Sauget, A., Nicollin, A., Li, X., Celzard, A., Pasch, H., Lightweight tannin foam/composites sandwich panels and the coldset tannin adhesive to assemble them (2013) Ind. Crops Prod., 43, pp. 255-260",

year = "2017",

doi = "10.1002/9781119441632.ch4",

language = "English",

isbn = "9781119224365",

volume = "1-8",

pages = "93--105",

booktitle = "Handbook of Composites from Renewable Materials",

publisher = "Wiley-Blackwell",

address = "United States",

}

TY - CHAP

T1 - Tannin-Based Foams: The Innovative Material for Insulation Purposes

AU - Tondi, G.

AU - Petutschnigg, A.

N1 - Cited By :6 Export Date: 14 December 2023 Correspondence Address: Tondi, G.; Dept of Forest Products Technology and Timber Construction, Austria; email: [email protected] References: Basso, M.C., Li, X., Fierro, V., Pizzi, A., Giovando, S., Celzard, A., Green, formaldehyde-free, foams for thermal insulation (2011) Adv. Mater. Lett., 2 (6), pp. 378-382; Basso, M.C., Giovando, S., Pizzi, A., Celzard, A., Fierro, V., Tannin/furanic foams without blowing agents and formaldehyde (2013) Ind. Crops Prod., 49, pp. 17-22; Basso, M.C., Giovando, S., Pizzi, A., Lagel, M.C., Celzard, A., Alkaline tannin rigid foams (2014) J. Renew. Mat., 2 (3), pp. 182-185; Basso, M.C., Giovando, S., Pizzi, A., Pasch, H., Pretorius, N., Delmotte, L., Celzard, A., Flexibleelastic copolymerized polyurethane-tannin foams (2014) J. Appl. Polym. Sci., 131 (13); Basso, M.C., Pizzi, A., Lacoste, C., Delmotte, L., Al-Marzouki, F.M., Abdalla, S., Celzard, A., MALDI-TOF and 13C NMR Analysis of fannin-furanic-polyurethane foams adapted for industrial continuous lines application (2014) Polymers, 6, pp. 2985-3004; Celzard, A., Zhao, W., Pizzi, A., Fierro, V., Mechanical properties of tannin-based rigid foams undergoing compression (2010) Mat. Sci. Eng.: A, 527 (16), pp. 4438-4446; Celzard, A., Fierro, V., Amaral-Labat, G., Pizzi, A., Torero, J., Flammability assessment of tannin-based cellular materials (2011) Polym. Degr. Stab., 96 (4), pp. 477-482; Celzard, A., Szczurek, A., Jana, P., Fierro, V., Basso, M.C., Bourbigot, S., Pizzi, A., Latest progresses in the preparation of tannin-based cellular solids (2015) J. Cell. Plas., 51 (1), pp. 89-102; Čop, M., Laborie, M.P., Pizzi, A., Sernek, M., Curing characterisation of spruce tanninbased foams using the advanced isoconversional method (2014) BioResources, 9 (3), pp. 4643-4655; De Yuso, A.M., Lagel, M.C., Pizzi, A., Fierro, V., Celzard, A., Structure and properties of rigid foams derived from quebracho tannin (2014) Mat. Des., 63, pp. 208-212; Kolbitsch, C., Link, M., Petutschnigg, A., Wieland, S., Tondi, G., Microwave produced tanninfuranic foams (2012) J Mat Sci Res, 1 (3), p. 84; Working Group on the Evaluation of Carcinogenic Risks to Humans. Formaldehyde, 2-butoxyethanol and 1-tert-butoxypropan-2-ol (2006) IARC monographs on the evaluation of carcinogenic risks to humans/World Health Organization, International Agency for Research on Cancer, 88, p. 1; Lacoste, C., Basso, M.C., Pizzi, A., Laborie, M.P., Garcia, D., Celzard, A., Bioresourced pine tannin/furanic foams with glyoxal and glutaraldehyde (2013) Ind. crops Prod., 45, pp. 401-405; Lacoste, C., Basso, M.C., Pizzi, A., Laborie, M.P., Celzard, A., Fierro, V., Pine tannin-based rigid foams: Mechanical and thermal properties (2013) Ind. crops Prod., 43, pp. 245-250; Lagel, M.C., Pizzi, A., Giovando, S., Celzard, A., Development and Characterisation of Phenolic Foams with Phenol-Formaldehyde-Chestnut Tannins Resin (2014) J. Renew. Mat., 2 (3), pp. 220-229; Li, X., Pizzi, A., Lacoste, C., Fierro, V., Celzard, A., Physical properties of tannin/furanic resin foamed with different blowing agents (2012) BioResources, 8 (1), pp. 743-752; Li, X., Essawy, H.A., Pizzi, A., Delmotte, L., Rode, K., Le Nouen, D., Celzard, A., Modification of tannin based rigid foams using oligomers of a hyperbranched poly (amine-ester) (2012) J.Polym. Res., 19 (12), pp. 1-9; Li, X., Basso, M.C., Fierro, V., Pizzi, A., Celzard, A., Chemical modification of tannin/furanic rigid foams by isocyanates and polyurethanes (2012) Maderas., 14 (3), pp. 257-265; Li, X., Pizzi, A., Cangemi, M., Fierro, V., Celzard, A., Flexible natural tannin-based and protein-based biosourced foams (2012) Ind. crops Prod., 37 (1), pp. 389-393; Li, X., Srivastava, V.K., Pizzi, A., Celzard, A., Leban, J., Nanotube-reinforced tannin/furanic rigid foams (2013) Ind. crops Prod., 43, pp. 636-639; Link, M., Kolbitsch, C., Tondi, G., Ebner, M., Wieland, S., Petutschnigg, A., Formaldehyde-free tannin based foams and their use as lightweight panels (2011) BioResources, 6 (4), pp. 4218-4228; Meikleham, N.E., Pizzi, A., Acid-and alkali-catalyzed tannin-based rigid foams (1994) J. Appl. Polym. Sci., 53 (11), pp. 1547-1556; Pizzi, A., Tondi, G., Pasch, H., Celzard, A., Matrix-assisted laser desorption/ionization time-of-flight structure determination of complex thermoset networks: Polyflavonoid tannin-furanic rigid foams (2008) J. Appl. Polym. Sci., 110 (3), pp. 1451-1456; Sánchez-Martín, J., Beltrán-Heredia, J., Delgado-Regaña, A., Rodríguez-González, M.A., Rubio-Alonso, F., Optimization of tannin rigid foam as adsorbents for wastewater treatment (2013) Ind. crops Prod., 49, pp. 507-514; Sanchez-Martin, J., Beltran-Heredia, J., Delgado-Regaña, A., Rodriguez-Gonzalez, M.A., Rubio-Alonso, F., Adsorbent tannin foams: New and complementary applications in wastewater treatment (2013) Chem. Eng. J., 228, pp. 575-582; Szczurek, A., Fierro, V., Pizzi, A., Stauber, M., Celzard, A., A new method for preparing tannin-based foams (2014) Ind. crops Prod., 54, pp. 40-53; Tondi, G., Pizzi, A., Masson, E., Celzard, A., Analysis of gases emitted during carbonization degradation of polyflavonoid tannin/furanic rigid foams (2008) Polym. Degr. Stab., 93 (8), pp. 1539-1543; Tondi, G., Pizzi, A., Tannin-based rigid foams: Characterization and modification (2009) Ind. crops Prod., 29 (2), pp. 356-363; Tondi, G., Pizzi, A., Pasch, H., Celzard, A., Rode, K., MALDI-ToF investigation of furanic polymer foams before and after carbonization: Aromatic rearrangement and surviving furanic structures (2008) Eur. Polym. J., 44 (9), pp. 2938-2943; Tondi, G., Zhao, W., Pizzi, A., Du, G., Fierro, V., Celzard, A., Tannin-based rigid foams: A survey of chemical and physical properties (2009) Biores. Technol., 100 (21), pp. 5162-5169; Tondi, G., Blacher, S., Léonard, A., Pizzi, A., Fierro, V., Leban, J.M., Celzard, A., X-ray microtomography studies of tannin-derived organic and carbon foams (2009) Microsc. Microanal., 15 (5), pp. 384-394; Tondi, G., Fierro, V., Pizzi, A., Celzard, A., Tannin-based carbon foams (2009) Carbon, 47 (6), pp. 1480-1492; Tondi, G., Oo, C.W., Pizzi, A., Trosa, A., Thevenon, M.F., Metal adsorption of tannin based rigid foams (2009) Ind. crops Prod., 29 (2), pp. 336-340; Tondi, G., Pizzi, A., Olives, R., Natural tannin-based rigid foams as insulation for doors and wall panels (2009) Maderas, 10 (3), pp. 219-227; Tondi, G., Pizzi, A., Delmotte, L., Parmentier, J., Gadiou, R., Chemical activation of tannin-furanic carbon foams (2010) Ind. crops Prod., 31 (2), pp. 327-334; Tondi, G., Thevenon, M.F., Mies, B., Standfest, G., Petutschnigg, A., Wieland, S., Impregnation of Scots pine and beech with tannin solutions: Effect of viscosity and wood anatomy in wood infiltration (2013) Wood sci. technol., 47 (3), pp. 615-626; Tondi, G., Link, M., Kolbitsch, C., Petutschnigg, A., Infrared-catalyzed synthesis of tanninfuranic foams (2013) BioResources, 9 (1), pp. 984-993; Tondi, G., Link, M., Oo, C.W., Petutschnigg, A., A simple approach to distinguish classic and formaldehyde-free tannin based rigid foams by ATR FT-IR (2015) J. Spectr., 2015; Tondi, G., Johansson, M., Leijonmarck, S., Trey, S., Tannin based foams modified to be semiconductive: Synthesis and characterization (2015) Progr. Org. Coat., 78, pp. 488-493; Tondi, G., Petutschnigg, A., Hydrophobic tannin foams (2015) Int. Wood Prod. J., , 2042645315Y-0000000007; Tondi, G., Link, M., Kolbitsch, C., Sandwich panels with 100% natural tannin furanic foam core (2015) For. Prod. J., 65, pp. s33-s38; Tondi, G., Link, M., Kolbitsch, C., Lesacher, R., Petutschnigg, A., Pilot plant up-scaling of tannin foams (2015) Ind. Crops Prod.; Tondi, G., Link, M., Kolbitsch, C., Gavino, J., Luckeneder, P., Petutschnigg, A., Herchl, R., Van Doorslaer, C., Lignin-based foams: Production process and characterization (2016) BioResources; Zhao, W., Pizzi, A., Fierro, V., Du, G., Celzard, A., Effect of composition and processing parameters on the characteristics of tannin-based rigid foams. Part I: Cell structure (2010) Mat. Chem. Phys., 122 (1), pp. 175-182; Zhao, W., Fierro, V., Pizzi, A., Du, G., Celzard, A., Effect of composition and processing parameters on the characteristics of tannin-based rigid foams. Part II: Physical properties (2010) Mat. Chem. Phys., 123 (1), pp. 210-217; Zhou, X., Pizzi, A., Sauget, A., Nicollin, A., Li, X., Celzard, A., Pasch, H., Lightweight tannin foam/composites sandwich panels and the coldset tannin adhesive to assemble them (2013) Ind. Crops Prod., 43, pp. 255-260

PY - 2017

Y1 - 2017

N2 - Tannin-based foams are black porous materials which have the main advantage of being up to 100% natural, lightweight, fire-resistant and with a low thermal conductivity. These properties are the most important for building insulation purposes and therefore tannin foams have attracted significant market and industrial interest. Tannin foams are also a versatile material that can be produced with tailored properties modifying the formulation components and the process parameters; however the brittleness and the relatively weak mechanical properties suggested the need for a supporting material. For this reason, tannin-foam-based sandwich boards have been successfully produced with various wood and wood engineered side-layers such as HDF, particleboards and OSB. The production of these composite materials is nowadays industrially possible without the need of any external adhesive. An innovative and interesting product for the new generation of green insulation materials has been developed. © 2017 Scrivener Publishing LLC.

AB - Tannin-based foams are black porous materials which have the main advantage of being up to 100% natural, lightweight, fire-resistant and with a low thermal conductivity. These properties are the most important for building insulation purposes and therefore tannin foams have attracted significant market and industrial interest. Tannin foams are also a versatile material that can be produced with tailored properties modifying the formulation components and the process parameters; however the brittleness and the relatively weak mechanical properties suggested the need for a supporting material. For this reason, tannin-foam-based sandwich boards have been successfully produced with various wood and wood engineered side-layers such as HDF, particleboards and OSB. The production of these composite materials is nowadays industrially possible without the need of any external adhesive. An innovative and interesting product for the new generation of green insulation materials has been developed. © 2017 Scrivener Publishing LLC.

KW - Black panels

KW - Formaldehyde-free

KW - Green foam

KW - Industrial production

KW - Insulation material

KW - Sandwich panels

KW - Thermal conductivity

KW - Adhesives

KW - Flavonoids

KW - Fracture mechanics

KW - Glass ceramics

KW - Insulating materials

KW - Porous materials

KW - Tannins

KW - Formaldehyde free

KW - Insulation materials

KW - Sandwich panel

KW - Thermal insulation

U2 - 10.1002/9781119441632.ch4

DO - 10.1002/9781119441632.ch4

M3 - Chapter

SN - 9781119224365

VL - 1-8

SP - 93

EP - 105

BT - Handbook of Composites from Renewable Materials

PB - Wiley-Blackwell

ER -

Tannin-Based Foams: The Innovative Material for Insulation Purposes

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