US20020098757A1 - Environmentally friendly isolation material and method - Google Patents

Environmentally friendly isolation material and method Download PDF

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Publication number
US20020098757A1
US20020098757A1 US09/746,560 US74656000A US2002098757A1 US 20020098757 A1 US20020098757 A1 US 20020098757A1 US 74656000 A US74656000 A US 74656000A US 2002098757 A1 US2002098757 A1 US 2002098757A1
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United States
Prior art keywords
insulating material
weight
percent
fabric
shoddy
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Abandoned
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US09/746,560
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English (en)
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Fridtjov Johansen
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Individual
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Individual
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Priority claimed from NO996457A external-priority patent/NO996457D0/no
Application filed by Individual filed Critical Individual
Publication of US20020098757A1 publication Critical patent/US20020098757A1/en
Priority to US10/622,451 priority Critical patent/US7014804B2/en
Abandoned legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4274—Rags; Fabric scraps
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542—Adhesive fibres
    • D04H1/55—Polyesters
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/16—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of fibres, chips, vegetable stems, or the like
    • 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
    • E04B2001/742—Use of special materials; Materials having special structures or shape
    • E04B2001/745—Vegetal products, e.g. plant stems, barks
    • 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
    • E04B2001/742—Use of special materials; Materials having special structures or shape
    • E04B2001/746—Recycled materials, e.g. made of used tires, bumpers or newspapers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2631—Coating or impregnation provides heat or fire protection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2762—Coated or impregnated natural fiber fabric [e.g., cotton, wool, silk, linen, etc.]

Definitions

  • This invention relates to an environmentally friendly insulating material, or more specifically an insulating mat for insulating buildings, houses, etc. and a method for manufacture thereof.
  • the mat is non-allergenic and almost 100% recyclable.
  • Glass wool e.g., is manufactured by melting standard glass to which is added some additives which give the glass a low level of thermal conductivity, whereupon the glass is drawn out by means of rapidly rotating winding machines into long thin threads.
  • the threads are collected and bonded by means of a phenolic adhesive into, e.g., insulating mats of varying thickness and rigidity.
  • Rockwool is produced in an analogous manner, but here it is rocks which are melted, lime is added and drawn out in rapidly rotating winding machines. In this case too a phenolic adhesive is employed to form insulating mats. Both of these processes require high temperatures of many hundreds of degrees Celsius, and thereby a relatively high energy consumption, and they use non-renewable resources such as rock and sand respectively.
  • a known problem in the building industry is that both types of insulating mats can cause allergic reactions such as itching, smarting and sore throats, particularly while working on laying the mats.
  • the fibres are hard and will penetrate the skin to a certain extent, thus producing mats which are prickly and cause discomfort to bare skin.
  • These fibre needles can cause a great deal of irritation as well as being difficult to remove from the skin. It is therefore necessary to use respiratory protection and fabrics which provide complete cover while working with insulating mats. This makes the building process both more complicated and more expensive.
  • a main object of this invention is to provide an insulating material which is environmentally friendly during production and use.
  • a further object of this invention is to provide an insulating material which employs a waste product as a raw material and which can be completely recycled after its wear life has ended.
  • the object of the invention can be achieved by the insulating material being produced from used fabrics which are shredded into shoddy, mixed with flax fibres and a polyester with a low melting point into a homogeneous mass which is moulded into the desired shape, e.g. mats, and then heat-treated until the polyester melts and binds the fibres together to form the insulating material.
  • the proportions of mixture depend on the desired degree of rigidity for the finished product and will normally be within 5-50 percent by weight flax fibres and 5-50 percent by weight polyester, preferably 15-40 percent by weight flax fibres and 10-30 percent by weight polyester, and most preferably 20-30 percent by weight flax fibres and 15-20 percent by weight polyester.
  • the rest is composed of shoddy.
  • flax Tow flax Tow
  • Scutching Tow a material that is cheap, long and strong, and provide the insulating material with good flexibility.
  • These fibres come from the outer part of the flax plant's stem, and are a by-product of the combing of the flax plant's fibrous material.
  • Any polyester may be employed as long as it has a low melting point, i.e. it melts at temperatures below 300° C., and preferably below 200° C. It is most preferred to use polyesters which melt in the range of 120-170° C. It is best to avoid using polyesters which have a substantially lower melting point than 120° C. since the insulating material has to withstand some degree of heating without the risk of the polyester losing the adhesive effect by melting and causing the fibres in the insulation material to overflow and/or become packed together. Another factor is that the lower the melting point, the greater the vapour pressure of the polyester, and the more undesirable the release ofgas which will come from the polyester.
  • polyesters As examples of suitable polyesters, the following bicomponent polyesters may be mentioned: Trevira T252 with dtex-range from 2.2-4.4 from Hoechst Trevisa GmbH, Germany; Celbond Type 255 or 256 with dtex 3.3 from Hoechst Celanese Corp., USA; Terital TBM with dtex 4.4 from Enichem, England; and Wellbond with dtex range 5.3-10 from Wellman International Ltd., Ireland.
  • fire-retardant agents should be added. Fire tests have been carried out on mats of the insulating material according to the invention by SINTEF Building and Environmental Technology-Norway's fire-technology laboratory, to which has been added 2.5 kg Station 1 per m 3 of insulating material, corresponding to 0.25 1 /m 2 for a 10 cm thick mat. Station 1 is a commercially available water-based non-poisonous fire-retardant agent. Other fire-retardant agents may also be used as long as they are non-poisonous and environmentally friendly.
  • the material is also advantageous in that it requires a relatively small amount of energy during production.
  • the energy requirement for a 1m 2 , 15 cm thick insulating mat according to the invention is approximately 4 kWh, while for a corresponding Glava mat the energy consumption is approximately 14 kWh or 3.5 times as much.
  • the present invention will save energy since insulating mats made of this material will keep their shape for the foreseeable future, thus keeping the insulating power intact over a very long period. This is not the case with many of to-day's insulating materials.
  • the requirement for energy for heating of the buildings/objects employing the insulating material will be reduced compared to that required for present day insulating materials.
  • the insulating material according to the invention is user-friendly, i.e. not hazardous to the building workers and the subsequent occupant(s) since the material does not cause allergy or asthma, it emits almost no noxious gases and produces little dust.
  • the insulating material is therefore particularly suitable for sufferers from asthma and allergy and will help to improve the indoor climate for these people.
  • Several cases have been documented of how present day insulating materials of the glass and/or rock wool type will release dust in the form of fibres which are injurious to health.
  • the fibres are released particularly during the construction of the building and remains thereof are left in the building for a long time despite cleaning, but may also be released over time since the adhesive binding the fibres together into a mat will gradually dry up. The latter effect results in the indoor climate of the building being supplied with fibrous dust and the thinning out/sagging of the insulating material, thus impairing the building's insulation over time.
  • the insulating material manufactured according to the invention is as good as 100% recyclable. Used insulating material is almost as well suited as fabric waste as a raw material for new insulating mats, and may very well be mixed into it during the production of insulating material according to the invention. The fact that the material can be recycled will also help to reduce the amount of waste which has to be deposited. The building industry is a major contributor to waste for depositing.
  • FIG. 1 illustrates an example of an insulating mat according to the invention.
  • the mass (shoddy, flax fibres, polyester and fire-retardant agent) were passed to a drum in the weight distributor where air was blasted through the mass in order to form a homogeneous and aerated shoddy.
  • the shoddy mass was then passed to a mat former which formed a mat (see FIG. 1) with dimensions 0.15 ⁇ 1.20 ⁇ 0.58 m 3 , and which in the next stage was passed to a smelting furnace at a temperature of approximately 170° C.
  • the high temperature in the furnace caused the polyester fibres in the shoddy to melt, thereby bonding the fabric fibres together and forming an insulating mat which has approximately the same degree of rigidity as a Glava glass wool mat.
  • the mat's heat conductivity was measured at around 0.036-0.037 W/mK, which is as good as the leading insulating materials on the market to-day.
  • the invention is exemplified as a mat with specific measurements, it is obvious to a person skilled in the art that the insulating material according to the invention can easily be moulded in every conceivable geometric shape and with all conceivable dimensions in such a manner that they too are within the concept of the invention. However, it is preferred that for use in buildings, the insulating material is moulded into mats which are 1 m long and where the width is within 58-120 cm and the thickness is within 5-15 cm.
US09/746,560 1999-12-23 2000-12-26 Environmentally friendly isolation material and method Abandoned US20020098757A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/622,451 US7014804B2 (en) 1999-12-23 2003-07-21 Environmentally friendly insulating material and method for manufacture thereof

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NO996457A NO996457D0 (no) 1999-12-23 1999-12-23 Miljoevennlig isolasjonsmateriale og fremgangsmåte for fremstilling av dette
NO19996457 1999-12-23
NO20005915A NO312205B1 (no) 1999-12-23 2000-11-22 Miljövennlig isolasjonsmateriale og fremgangsmåte for fremstilling av dette
NO20005915 2000-11-22

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US10/622,451 Division US7014804B2 (en) 1999-12-23 2003-07-21 Environmentally friendly insulating material and method for manufacture thereof

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US20020098757A1 true US20020098757A1 (en) 2002-07-25

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US09/746,560 Abandoned US20020098757A1 (en) 1999-12-23 2000-12-26 Environmentally friendly isolation material and method
US10/622,451 Expired - Fee Related US7014804B2 (en) 1999-12-23 2003-07-21 Environmentally friendly insulating material and method for manufacture thereof

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Application Number Title Priority Date Filing Date
US10/622,451 Expired - Fee Related US7014804B2 (en) 1999-12-23 2003-07-21 Environmentally friendly insulating material and method for manufacture thereof

Country Status (10)

Country Link
US (2) US20020098757A1 (no)
EP (1) EP1244858A1 (no)
AU (1) AU2412001A (no)
CA (1) CA2395467A1 (no)
EE (1) EE04755B1 (no)
HU (1) HU0203599D0 (no)
NO (1) NO312205B1 (no)
PL (1) PL355450A1 (no)
RU (1) RU2296838C2 (no)
WO (1) WO2001048330A1 (no)

Cited By (6)

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ES2259922A1 (es) * 2005-04-04 2006-10-16 Piel, S.A. Sistema para la absorcion acustica y aislamiento termico.
US20070006383A1 (en) * 2005-07-06 2007-01-11 Ogle Steven E Mattress with substantially uniform fire resistance characteristic
US20070202294A1 (en) * 2000-03-13 2007-08-30 L&P Property Management Company Protective fire retardant component for a composite furniture system
US20080107148A1 (en) * 2003-11-04 2008-05-08 L&P Property Management Company Thermal properties testing apparatus and methods
US20090126119A1 (en) * 2000-03-13 2009-05-21 L&P Property Management Company, A Delaware Corporation Fire resistant insulator pad
US20180044825A1 (en) * 2015-03-24 2018-02-15 Really Aps Reuse of used woven or knitted textile

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WO2004035899A1 (en) * 2002-10-16 2004-04-29 Southern Wools Pty Ltd Method and apparatus for forming products of fibrous and cellulose material
NL1032871C2 (nl) * 2006-11-15 2007-08-29 Nicolaas Josephus Lok Systeem voor isolatie, constructie-elementen waaronder isolatiemateriaal, en samenstel van constructie-elementen.
MX2009007816A (es) * 2007-01-25 2009-07-30 Envirobatt Pty Ltd Metodo y aparato para fabricar un producto de celulosa y materiales fibrosos integrados.
GB0713790D0 (en) 2007-07-16 2007-08-22 Nettforsk As Method
US20090049577A1 (en) * 2007-08-20 2009-02-26 William Andrew Zeitz Distribution and recovery of fashion-related products
US20130005209A1 (en) 2009-11-13 2013-01-03 Carsten Andersen Non-woven fibre product comprising fibres of recycled material
FR2970274B1 (fr) * 2011-01-11 2015-03-27 Blanchisserie Ind Du Ct Isolant thermique et phonique a partir de matieres textiles recyclees
FR3031349B1 (fr) * 2015-01-06 2017-02-17 Jerome Cahuzac Materiau isolant thermique avec des fibres de bananier.
US11339507B2 (en) 2017-08-18 2022-05-24 Patricia M. ERMECHEO Yarn manufactured from recycled clothing fibers and process for making same
CZ2018275A3 (cs) * 2018-06-08 2020-01-15 RETEX a.s. Kompozitní deska s hydroakumulační vlastností
PL433419A1 (pl) 2020-04-01 2021-10-04 Janusz Tyszka Płyta izolacyjna celulozowo perlitowa i sposób jej wytwarzania

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US4418031A (en) * 1981-04-06 1983-11-29 Van Dresser Corporation Moldable fibrous mat and method of making the same
US5047453A (en) * 1984-05-04 1991-09-10 Hoechst Aktiengesellschaft Process for preparing moldings by compacting and simultaneously bonding fibrous material
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HUP0203599A2 (en) 2003-08-28
HU0203599D0 (en) 2003-08-28
US7014804B2 (en) 2006-03-21
EP1244858A1 (en) 2002-10-02
US20040051217A1 (en) 2004-03-18
CA2395467A1 (en) 2001-07-05
NO20005915D0 (no) 2000-11-22
EE04755B1 (et) 2006-12-15
NO20005915L (no) 2001-06-25
EE200200346A (et) 2003-08-15
NO312205B1 (no) 2002-04-08
AU2412001A (en) 2001-07-09
PL355450A1 (en) 2004-05-04
RU2002120454A (ru) 2004-01-27
RU2296838C2 (ru) 2007-04-10
WO2001048330A1 (en) 2001-07-05

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