1.
Ugarte L., Saralegi A., Fernández R., Martín L., Corcuera M., and Eceiza A., Flexible Polyurethane Foams Based on 100% Renewably Sourced Polyols, Ind. Crops. Prod., 62, 545-551, 2014.
2.
Cinelli P., Anguillesi I., and Lazzeri A., Green Synthesis of Flexible Polyurethane Foams from Liquefied Lignin, Eur. Polym. J., 49, 1174-1184, 2013.
3.
Yang X.H., Ren S.W., Wang W.B., Liu X., Xin F.X., and Lu T.J., A Simplistic Unit Cell Model for Sound Absorption of Cellular Foams with Fully/Semi-Open Cells, Compos. Sci. Technol., 118, 276-283, 2015.
4.
Lana Z., Dagaa A.R., White House R., and Mc Carthy S., Structure–Properties Relations in Flexible Polyurethane Foams Containing a Novel Bio-Based Crosslinker, Polymer, 55, 2635-2644, 2014.
5.
Chang L., Xue Y., and Hsieh F., Comparative Study of Physical
Properties of Water-Blown Rigid Polyurethane Foams Extended
with Commercial Soy Flours, Appl. Polym. Sci., 80, 10–19, 2001.
6.
Mondal P. and Khakhar D.V., Regulation of Cell Structure in Water Blown Rigid Polyurethane Foam, Macromolecules, 216, 241-254, 2004.
7.
Krol P., Synthesis Methods, Chemical Structures and Phase Structures of Linear Polyurethanes. Properties and Applications
of Linear Polyurethanes in Polyurethane Elastomers, Copolymers and Ionomers, Prog. Mater. Sci., 52, 915-1015, 2007.
8.
Simón D., de Lucas A., Rodríguez J.F., and Borreguero A.M., Glycolysis of High Resilience Flexible Polyurethane Foams Containing Polyurethane Dispersion Polyol, Polym. Degrad. Stabil., 133, 119-130, 2016.
9.
Javni I., Song K., Lin J., and Petrovic Z.S., Structure and Properties of Flexible Polyurethane Foams with Nano-and Micro-Fillers, Cell. Plast., 47, 357–372, 2011.
10.
Rossmy G.R., Kollmeier H.J., Lidy W., Schator H., and Wiemann
M.; Cell-Opening in One-Shot Flexible Polyether Based Polyurethane Foams. The Role of Silicone Surfactant and its Foundation in the Chemistry of Foam Formation, Cell.Plast., 13, 26-35, 1977.
11.
Versteegen R.M., Sijbesma R.P., and Meijer E.W., Synthesis and Characterization of Segmented Copoly(ether urea)s with Uniform Hard Segments, Macromolecules, 38, 3176-3184, 2005.
12.
Tiuca A.E., Vermeşana H., Gabora T., and Vasileb O., Improved
Sound Absorption Properties of Polyurethane Foam mixed with Textile Waste, Energy Procedia, 85, 559–565, 2016.
13.
Auten K.L. and Petrovic Z.S., Synthesis, Structural Characterization,
and Properties of Polyurethane Elastomers Containing
Various Degrees of Unsaturation in the Chain Extenders, Polym. Sci., Part B: Polym. Phys., 40, 1316–1333, 2002.
14.
Xu Y.J., Petrovic Z., Das S., and Wilkes G.L., Morphology and Properties of Thermoplastic Polyurethanes with Dangling Chains in Ricinoleate-Based Soft Segments, Polymer, 49, 4248-4258, 2008.
15.
Korley L.T.J., Pate B.D., Thomas E.L., and Hammond P.T., Effect of the Degree of Soft and Hard Segment Ordering on the Morphology and Mechanical Behavior of Semicrystalline
Segmented Polyurethanes, Polymer, 47, 73-82, 2006.
16.
Xia H., Song M., Zhang Z., and Richardson M., Microphase Separation, Stress Relaxation, and Creep Behavior of Polyurethane
Nanocomposites, J. Appl. Polym. Sci., 103, 2992-3002, 2007.
17.
Arenas J.P. and Ugarte F., A Note on a Circular Panel Sound Absorber with an Elastic Boundary Condition, Appl. Acoust., 114, 10-17, 2016.
18.
Waletzko R.S., Korley L.T.J., Pate B.D., Thomas E.L., and Hammond P.T., Role of Increased Crystallinity in Deformation-
induced Structure of Segmented Thermoplastic Polyurethane
Elastomers with PEO and PEO-PPO-PEO Soft Segments and HDI Hard Segments, Macromolecules, 42, 2041-2053, 2009.
19.
Takahashi D. and Tanaka M., Flexural Vibration of Perforated Plates and Porous Elastic Materials Under Acoustic Loading, J. Acoust. Soc. Am., 112, 10-11, 2009.
20.
Nieuwkoop P., Aluminum Foam: Production, Properties, and Processing, Constructeur, 44, 26-30, 2005.
21.
Sung G., Kimb J.W., and Kim J.H., Fabrication of Polyurethane
Composite Foams with Magnesium Hydroxide Filler for Improved Sound Absorption, J. Ind. Eng. Chem., 44, 99–104, 2016.
22.
Wang Y., Zhang C., Ren L., Ichchou M., Galland M.-A., and Bareille O., Influences of Rice Hull in Polyurethane Foam on its Sound Absorption Characteristics, Polym. Compos., 34, 1847-1855, 2013.
23.
Gwon J.G., Sung G., and Kim J.H., Modulation of Cavities and Interconnecting Pores in Manufacturing Water Blown Flexible Poly()urethane urea) Foams, Int. J. Precis. Eng. Manuf., 16, 2299-2307, 2015.
24.
Chen S., Jiang Y., Chen J., and Wang D., The Effects of Various
Additive Components on the Sound Absorption Performances
of Polyurethane Foams, Adv. Mater. Sci. Eng., 2015, 1-9, 2015.
25.
Hasani Baferani A., Katbab A.A., and Ohadi A.R., The Role of Sonication Time upon Acoustic Wave Absorption Efficiency, Microstructure, and Viscoelastic Behavior of Flexible Polyurethane/
CNT Nanocomposite Foam, Eur. Polym. J., 90, 383-391, 2017.
26.
Ibrahim M.A. and Melik R.W., Optimized Sound Absorption of A Rigid Polyurethane Foam, Arch. Acoust., 28, 305-312, 2013.
27.
Gwon J.G., Kim S.K., and Kim J.H., Sound Absorption Behavior
of Flexible Polyurethane Foams with Distinct Cellular Structures, Mater. Design, 89, 448–454, 2016.
28.
Verdejo R., Stämpfli R., Alvarez-Lainez M., Mourad S., Rodriguez-Perez M.A., Brühwiler P.A., and Shaffer M., Enhanced
Acoustic Damping in Flexible Polyurethane Foams Filled with Carbon Nanotubes, Compos. Sci. Technol., 69, 1564-1569, 2009.
29.
Sung Seok G., Kim K., Kim J.W., and Kim J.H., Effect of Isocyanate Molecular Structures in Fabricating Flexible Polyurethane
Foams on Sound Absorption Behavior, Polym. Test., 53, 156-164, 2016.