Acoustic panels based on recycled paper sludge and lime composites

Astrauskas, Tomas; Picó, Rubén; Sánchez‐Morcillo, Víctor J.; Grubliauskas, Raimondas

doi:10.1007/s13762-021-03209-1

Cited by 3 publications

(2 citation statements)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Ref. [40] in their research studied different binders used for panel production. The maximum sound absorption coefficient was obtained at lower frequencies (500 Hz) and the result was 0.98 when the PS composite acoustic panels were backed with an air cavity.…”

Section: Introductionmentioning

confidence: 99%

Development of Composite Acoustic Panels of Waste Tyre Textile Fibres and Paper Sludge

et al. 2023

Self Cite

View full text Add to dashboard Cite

Since society is moving towards sustainable development, interest in secondary use of waste has recently become significant. This paper investigates a process to develop an acoustic material, using two types of waste. Composite acoustic panels were developed using waste tyre textile fibres (WTTF) and paper sludge (PS), and polyvinyl acetate (PVA) were used as a binder. Non-acoustic (bulk density, airflow resistivity) and acoustic (sound absorption coefficient, sound transmission loss) parameters were studied. Composite acoustic panels with different proportions of WTTF/PS/PVA (sixteen samples) were subjected to testing for the sound absorption coefficient according to ISO 10534-2 and sound transmission loss according to ASTM E2611. The density of all samples varied between 155.2 and 709.9 kg/m3, the thickness between 14.4 and 20.5 mm, and the airflow resistivity between 29.5 and 101.5 kPa∙s/m2. The results reveal that the proportion of various waste materials in mixtures can improve the acoustic performance of panels. The combination that gives the highest αavg. with a value of 0.50 was experimentally found to be 70% WTTF mixed with 15% PVA and 15% H2O. The average sound absorption coefficient with a value of 0.46 was also found to be 25% WTTF mixed with 25% PS and 25% PVA and 25% H2O. In sound transmission loss, the most effective was 50% PS and the 50% PVA composite, the TLeq was 28.3 dB, while the composites together with 30% WTTF, 20% PS and 25% PVA, and 25% H2O showed 18.9 dB loss. The results obtained using WTTF and/or PS wastes are attractive and show great and promising development potential.

show abstract

Section: Introductionmentioning

confidence: 99%

Development of Composite Acoustic Panels of Waste Tyre Textile Fibres and Paper Sludge

et al. 2023

Self Cite

View full text Add to dashboard Cite

show abstract

“…UF adhesives have good adhesive strength, fast compression, and are relatively resistant to water [25]. UF adhesive can produce good mechanical properties, water resistance, and thickness development [26]. In addition, the manufacture of particleboard without a hot press also affects the thickness of the particleboard.…”

mentioning

confidence: 99%

Variation Of Bamboo and Adhesive Types on Physical And Mechanical Properties Of Particle Board

Gatut Prakosa,

Chanan,

Lora

2023

International Journal of Science, Technology & Management

View full text Add to dashboard Cite

Bamboo can be used as a material in the manufacture of particleboard. The purpose of this study was to examine the effect of various types of bamboo and their adhesion on the physical and mechanical properties of particleboard. The study used a factorial completely randomized design with three repetitions. Particleboard made using cold pressing made of bamboo betung (Dendrocalamus asper Schult.), bamboo apus (Gigantochloa apus Kurz), bamboo ori (Bambusa arundinacea Retz), and Urea Formaldehyde and Polyvinyl Acetate adhesives. The particle size used was through eight meshes with an adhesive concentration of 20% and a target board density of 1 gram/cm³. Board testing using SNI 03-2105-2006, correlation analysis, and regression to see the relationship between variables. The resulting particleboard has a density between 0.5 – 0.69 gram/cm³, air content between 12.7% - 15.2%, thickness expansion between 2.2% - 17.55%, MOE 1.963 - 4.898 kg/ cm², MOR 4.89 – 9.36 kg/cm². The type of bamboo has no significant effect on density, moisture content, MOE, and MOR of particleboard. The type of adhesive has a significant effect on the density, MOE, and MOR of the particleboard. The interaction between the type of bamboo and the type of adhesive has a significant effect on the thickness development of the particleboard.

show abstract