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WO2025019962A1 - Composition pour matériau acoustique intérieur qui comprend un matériau textile recyclé, et sa préparation - Google Patents

Composition pour matériau acoustique intérieur qui comprend un matériau textile recyclé, et sa préparation Download PDF

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Publication number
WO2025019962A1
WO2025019962A1 PCT/CL2023/050062 CL2023050062W WO2025019962A1 WO 2025019962 A1 WO2025019962 A1 WO 2025019962A1 CL 2023050062 W CL2023050062 W CL 2023050062W WO 2025019962 A1 WO2025019962 A1 WO 2025019962A1
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WO
WIPO (PCT)
Prior art keywords
weight
composition
acoustic
agent
binder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CL2023/050062
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English (en)
Spanish (es)
Inventor
Tomás FONTECILLA FIGUEROA
Ismael SILVA VIGNEAUX
Cristian MARÍN CUEVAS
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Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Individual filed Critical Individual
Priority to PCT/CL2023/050062 priority Critical patent/WO2025019962A1/fr
Publication of WO2025019962A1 publication Critical patent/WO2025019962A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials

Definitions

  • Patent document W02020048843 refers to a geopolymer acoustic panel - inorganic polymers formed by tetrahedral units of aluminum and silicon condensed at room temperature, which are obtained from the dissolution of raw materials, such as industrial waste and/or clays.
  • natural - comprising a layer with a fibre component and a geopolymer binder which in turn comprises ground mineral wool, and an additional layer composed of mineral wool, where the layer comprising a fibre component and a geopolymer binder have characteristic density, thickness and porosity.
  • a method for recycling mineral wool comprising grinding elements which in turn comprise mineral wool for the provision of a powder component, mixing the powder component and an alkaline activator component to provide a geopolymer mixture.
  • a textile structure intended to be used as a sound-absorbing structure in acoustic ceiling panels and/or acoustic wall panels, composed of a non-woven mat of glass fibres joined by a thermosetting binder, and by a continuous acoustic layer comprising 80% to 95% by weight of preferably mineral particles and 5 to 20% by weight of a thermoplastic polymer and/or elastomeric binder.
  • an aqueous composition comprising the essential ingredients of the layer is deposited on the mesh.
  • continuous acoustic material namely the particles and the thermoplastic polymer binder and/or elastomer, the latter being introduced in the form of latex.
  • the use of textile fibre as part of the aqueous composition for the construction of the panels is not described in this document.
  • a wall covering made from recycled textile material is provided (Wall covering made from recycled textile, Undergraduate thesis, School of Design of the Pontifical Catholic University of Chile, Mar ⁇ a Jes ⁇ s Fuentes, July 2019).
  • Various binders were also tested in order to compact the textile material: alginate, agar agar, pectin, gelatin and dextrin.
  • White cement and lime were also tested. Thermal insulation and acoustic insulation tests were carried out.
  • the use of the aforementioned binders was ruled out, either due to their high cost, instability over time (fungus formation), and/or their high weight.
  • Fabric-Panels-Cut-Sheets.pdf discloses the use of a cotton blend recycling and cellulose fibers from newspapers and recycled fabrics, for the production of ecological panels.
  • a cotton blend recycling and cellulose fibers from newspapers and recycled fabrics, for the production of ecological panels.
  • https://www.ideassonline.org/public/pdf/EcoFibraChile-ESP.pdf it is proposed to use textile waste, transforming it into ecological panels for thermal and acoustic insulation; where the process includes the stages of waste selection, shredding, and conversion to microfibers. In both cases, the details regarding the components that form part of the composition are not mentioned, nor the way in which the conversion to microfibers was carried out.
  • Patent document FR3102194 claims a construction product based on recycled textile and a matrix component comprising glue of animal and/or vegetable origin, where it is specified that the glue used is of the casein type and that sodium borate is also used as an additive. It is indicated that the matrix component comprising it is in a greater proportion than the textile component, and that in the manufacture of the product (bricks) in the molding stage and prior to the drying stage, pressing is applied.
  • the present invention proposes an acoustic absorbent and/or insulating composition comprising a component derived from recycled textile material, together with suitable additives and a solvent, and also proposes the methodology for obtaining it.
  • the present invention also relates to the use of said composition as an acoustic treatment applicable to spaces contaminated with noise, such as offices, auditoriums, receptions, restaurants, classrooms, among others, with the purpose of improving the well-being and/or comfort of the users of said spaces.
  • the present invention relates to a composition for forming an absorbent and/or insulating acoustic material comprising a recycled textile material, an agent that is a binder, gelling agent and stabilizer, an agent that is a binder and adhesive agent at the same time, and a solvent, where each component is present in certain quantities.
  • the present invention relates to a composition for forming an absorbent and/or insulating acoustic material comprising between about 10.0% and about 20.0% by weight of a recycled textile material; between about 0.3% and about 1.0% by weight of an agent that is a binder, gelling agent and stabiliser; between about 5.0% and about 10.0% by weight of an agent that is a binder and adhesion agent; between about 70.0% and about 80.0% by weight of a solvent or vehicle; where the % by weight is related to the weight of the total composition.
  • the composition comprises between about 14.0% and about 16.0% by weight of a recycled textile material; between about 0.3% and about 0.7% by weight of a binder, gelling agent and stabilizer; between about 6.0% and about 9.0% by weight of a binder and adhesion agent; between about 70.0% and about 80.0% by weight of a solvent or carrier; and where the % by weight is based on the weight of the total composition.
  • the present invention relates to a composition for forming an absorbent and/or insulating acoustic material comprising a recycled textile material; an agent that is a binder and adhesive agent selected from polyvinylpyrrolidones (PVP), various types of povidones, povidone 25, povidone 30 or povidone 90, copolymers of vinylpyrrolidones with other vinyl derivatives, dextrin, microcrystalline cellulose, hydroxypropyl methylcellulose, hydroxypropyl cellulose, pregelatinized starch, and/or mixtures thereof; a binder, gelling and stabilizing agent selected from gellan gum, methylcellulose, methyl ethylcellulose, hydroxypropylmethylcellulose, locust bean gum, carrageenan, sodium alginate, xanthan gum, agar agar, gelatin, egg white, chitosan, chitosan derivatives and/or mixtures thereof; and a solvent or vehicle selected from water, ethanol, polyvinylpyr
  • the present invention relates to a composition for forming an absorbent and/or insulating acoustic material comprising between 10.0% and 20.0% w/w of recycled textile material, between 0.3% and 1.0% w/w of sodium alginate, between 5.0% and 10.0% w/w of dextrin and between 70.0% and 80.0% w/w of water.
  • the present invention relates to a composition for forming an absorbent and/or insulating acoustic material comprising between 14.0% and 16.0% w/w of recycled textile material, between 0.3% and 0.7% w/w of sodium alginate, between 6.0% and 9.0% w/w of dextrin and between 70.0% and 80.0% w/w of water.
  • the present invention relates to a composition for forming an absorbent and/or insulating acoustic material comprising 15.31% w/w of recycled textile material, 0.48% w/w of sodium alginate, 7.66% w/w of dextrin and 76.56% w/w of water.
  • the present invention relates to a method for preparing the composition to form an absorbent and/or insulating acoustic material comprising the steps of grinding, mixing, molding, drying and cutting.
  • the present invention relates to the use of the composition for manufacturing an interior acoustic absorbent and/or insulating material with application in construction and/or design.
  • the present invention relates to the use of the composition to form a material with which sheets can be formed to produce panels, blocks and facing tiles, with acoustic absorbent and/or insulating properties.
  • Figure 1 Flow chart of the process for obtaining the absorbent and/or insulating acoustic composition.
  • Figure 3 Comparison of practical sound absorption coefficient for the present invention and for different materials (a p ) versus octave frequency bands, f, (Hz). ASTM C423 standard.
  • Figure 4. Arrangement of acoustic panels prepared according to the present invention, for experimental acoustic measurements.
  • the inventors of the present invention have surprisingly found that it is possible to formulate a composition for the manufacture of a material with which sheets can be formed to produce panels, blocks and facing tiles, which has excellent properties as an acoustic absorber and/or insulator, where it was found that the type of binding agent used is important in terms of its properties of binding, gelling and stabilizing at the same time, as well as the proportions of said binding agent in relation to the other components of said composition.
  • the density for materials manufactured with the composition formulated in the present invention allows achieving an optimal relationship between the density and/or rigidity of said materials and their acoustic absorption and/or insulation capacity.
  • binder or "adhesive agent” as used herein refers to those agents which hold the combined products together, thereby maintaining granulation.
  • binders are compounds of the polyvinylpyrrolidones (PVP) group, such as various types of povidones, povidone 25, povidone 30 or povidone 90, copolymers of vinylpyrrolidones with other vinyl derivatives, dextrin, microcrystalline cellulose, hydroxypropyl methylcellulose, hydroxypropyl cellulose, pregelatinized starch, and/or mixtures thereof.
  • PVP polyvinylpyrrolidones
  • Composition 1 for the present invention.
  • Table 2. Composition 2 for the present invention.
  • test standards used were 1) ISO 354:1985 Acoustics - Measurement of Sound absorption in a Reverberation Room, 2) ISO 11654:1997 Acoustics - Sound absorbers for use in buildings -Rating of sound absorption, and 3) ASTM C423.
  • the environmental conditions of the test were the following: temperature: 19.6 ⁇ 0.6 °C; relative humidity: 57.4 ⁇ 3.0 % and static pressure: 950.4 ⁇ 0.158 hPa, while the equipment used is the one shown in Table 4 below.
  • the reverberation time was measured by recording the integrated impulse response, using the indirect method using a frequency sweep of 10 seconds duration.
  • the measured sample is composed of 40 panels of 400 mm x 600 mm. With the sample installed (see Figure 4) measurements were made using 4 microphone positions and 3 speaker positions, obtaining a total of 12 measurements, with 2 averaged decays for each position. The sample was then removed from the chamber and the measurement procedure was repeated with the room empty.
  • the parameters obtained were the Sound Absorption Coefficient of the tested item, a, in third octave bands, according to the method described in ISO 354:2003 for panels manufactured according to the present invention. From the measurements, the parameter a s , sound absorption coefficient, was obtained, and the parameter a p , where the latter corresponds to an average by bands of a thirds (see Table 5 and see Figure 3).
  • a material with such density is obtained that it allows optimizing its acoustic absorption and/or insulation properties, and at the same time maintaining the physical and mechanical characteristics that make possible its adequate and easy manipulation to form the material to be manufactured, in such a way that said material is moldable and cuttable according to the requirements.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Architecture (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Textile Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

La présente invention concerne une composition destinée à former un matériau permettant de former des planches pour la production de panneaux, de blocs et de carreaux de revêtement, à propriétés absorbantes et/ou isolantes acoustiques. Plus particulièrement, la présente invention concerne ladite formulation, qui comprend un composant provenant d'un matériau textile recyclé, un agent qui est agglutinant, gélifiant et stabilisant, un agent qui est agglutinant et adhérent, et un solvant. L'invention concerne également la méthodologie pour son obtention, ledit procédé comprenant les étapes de broyage du matériau de recyclage, de mélange des composants, de moulage et de séchage. La présente invention se rapporte en outre à l'utilisation du matériau acoustique intérieur, notamment un traitement acoustique faisant appel à l'absorption et à l'isolation du son, applicable à des espaces à forte pollution sonore, tels que des bureaux, des auditoriums, des réceptions, des restaurants, des salles de classes, entre autres, avec pour but d'améliorer le bien-être et/ou le confort des personnes utilisant lesdits espaces.
PCT/CL2023/050062 2023-07-26 2023-07-26 Composition pour matériau acoustique intérieur qui comprend un matériau textile recyclé, et sa préparation Pending WO2025019962A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CL2023/050062 WO2025019962A1 (fr) 2023-07-26 2023-07-26 Composition pour matériau acoustique intérieur qui comprend un matériau textile recyclé, et sa préparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CL2023/050062 WO2025019962A1 (fr) 2023-07-26 2023-07-26 Composition pour matériau acoustique intérieur qui comprend un matériau textile recyclé, et sa préparation

Publications (1)

Publication Number Publication Date
WO2025019962A1 true WO2025019962A1 (fr) 2025-01-30

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006055728A1 (fr) * 2004-11-18 2006-05-26 Owens-Corning Fiberglass Technology Inc. Tissus non tisses presentant des proprietes structurelles, acoustiques et thermiques ameliorees
ES2896749T3 (es) * 2016-05-13 2022-02-25 Rockwool Int Método para proporcionar aislamiento a una estructura

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006055728A1 (fr) * 2004-11-18 2006-05-26 Owens-Corning Fiberglass Technology Inc. Tissus non tisses presentant des proprietes structurelles, acoustiques et thermiques ameliorees
ES2896749T3 (es) * 2016-05-13 2022-02-25 Rockwool Int Método para proporcionar aislamiento a una estructura

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"Master's thesis", 1 July 2019, SCHOOL OF DESIGN AT THE PONTIFICAL CATHOLIC UNIVERSITY OF CHILE, CL, article FUENTES MARÍA JESÚS: "MUPA: wall covering made from recycled textiles", pages: 1 - 119, XP093271237 *
"Undergraduate thesis", 1 January 2021, UNIVERSITY COLLEGE OF CUNDINAMARCA, CO, article ORDOÑEZ GALINDO CATALINA, RAMIREZ JOHAN ALEXANDER, ROJAS DARLINK CAMILO, PINILLA FABIAN DAVID: "Innovation and development of insulating materials from plastic and textile waste for use in energy savings in buildings in the city of Barranquilla", pages: 1 - 142, XP093271239 *
LACOSTE CLÉMENT, EL HAGE ROLAND, BERGERET ANNE, CORN STÉPHANE, LACROIX PATRICK: "Sodium alginate adhesives as binders in wood fibers/textile waste fibers biocomposites for building insulation", CARBOHYDRATE POLYMERS, vol. 184, 1 March 2018 (2018-03-01), GB , pages 1 - 8, XP093271233, ISSN: 0144-8617, DOI: 10.1016/j.carbpol.2017.12.019 *
RUBINO CHIARA, BONET ARACIL MARILÉS, GISBERT-PAYÁ JAIME, LIUZZI STEFANIA, STEFANIZZI PIETRO, ZAMORANO CANTÓ MANUEL, MARTELLOTTA FR: "Composite Eco-Friendly Sound Absorbing Materials Made of Recycled Textile Waste and Biopolymers", MATERIALS, vol. 12, no. 23, pages 4020 - 4020-18, XP093271232, ISSN: 1996-1944, DOI: 10.3390/ma12234020 *

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