WO2006053393A1 - Composition for sound insulating sheet material with gelatine, glycerine and other materials - Google Patents
Composition for sound insulating sheet material with gelatine, glycerine and other materials Download PDFInfo
- Publication number
- WO2006053393A1 WO2006053393A1 PCT/AU2005/001758 AU2005001758W WO2006053393A1 WO 2006053393 A1 WO2006053393 A1 WO 2006053393A1 AU 2005001758 W AU2005001758 W AU 2005001758W WO 2006053393 A1 WO2006053393 A1 WO 2006053393A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- composition
- sheet material
- sheet
- glycerine
- gelatine
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract description 100
- 239000000203 mixture Substances 0.000 title claims abstract description 67
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000001828 Gelatine Substances 0.000 title claims abstract description 15
- 229920000159 gelatin Polymers 0.000 title claims abstract description 15
- 235000019322 gelatine Nutrition 0.000 title claims abstract description 15
- 235000011187 glycerol Nutrition 0.000 title claims abstract description 15
- 239000000945 filler Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 28
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 14
- 229920002472 Starch Polymers 0.000 claims description 12
- 239000008107 starch Substances 0.000 claims description 12
- 235000019698 starch Nutrition 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 6
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 6
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 4
- 108010068370 Glutens Proteins 0.000 claims description 4
- 239000001110 calcium chloride Substances 0.000 claims description 4
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 4
- 235000021312 gluten Nutrition 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical class CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000005030 aluminium foil Substances 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- 239000003963 antioxidant agent Substances 0.000 claims description 2
- 235000006708 antioxidants Nutrition 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 239000011518 fibre cement Substances 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 239000000417 fungicide Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 2
- 235000013772 propylene glycol Nutrition 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 8
- 229920002554 vinyl polymer Polymers 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 239000004566 building material Substances 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000013520 petroleum-based product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
-
- 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
- E04B1/8409—Sound-absorbing elements sheet-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
- E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
- B29K2105/0041—Anti-odorant agents, e.g. active carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
- B29K2105/0044—Stabilisers, e.g. against oxydation, light or heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/16—Fillers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0001—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular acoustical properties
- B29K2995/0002—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular acoustical properties insulating
Definitions
- the present invention relates to a composition suitable for producing sheet material with sound dampening properties, and in particular to a composition that is also friendly to the environment.
- the present invention also relates to a process for producing sheet material from the composition.
- Sound dampening properties are found in materials with a high sound transmission loss.
- the sound transmission loss of a material is determined by various physical factors such as mass and stiffness.
- the mass per unit area of a material is the most important factor in controlling the transmission of sound through the material.
- the so-called mass law is worth repeating here, as it applies to most materials at most frequencies:
- TL transmission loss (dB)
- m s mass per unit area (kg/m 2 )
- f frequency of the sound (Hz)
- Stiffness of the material is another factor that influences TL. Stiffer materials exhibit "coincidence dips" which are not explained by the above mass law.
- the coincidence or critical frequency is shown by:
- A is a constant for a material t is the thickness of the material (mm)
- compositions that are commonly used to produce sheet material with sound dampening properties are what is termed a loaded vinyl.
- a material with a high density is combined with vinyl at formulation stage.
- the resulting product has a high density whilst still maintaining high flexibility and thereby providing sound dampening properties.
- vinyl is a product derived from petroleum sources so its cost and production is directly linked to the oil price and dictated by oil supply. Furthermore, vinyl does not biodegrade easily and in addition produces toxic fumes when burnt. This poses a particular problem when a loaded vinyl is used as a building material for its sound dampening properties.
- the present invention provides a composition for producing sheet material with sound dampening properties wherein the composition includes water, gelatine, glycerine and a filler material.
- the composition includes: 5 - 40 wt% water 5 - 30 wt% gelatine 5 - 40 wt% glycerine; and
- the composition also includes 1 to 15 wt% of a group II metal chloride such as for example calcium chloride or magnesium chloride. More preferably, the composition includes 2 to 10 wt% magnesium chloride. Preferably, the composition further includes 0.5 to 7 wt% starch or gluten. Preferably the starch is provided from the addition of cornflour to the composition.
- a group II metal chloride such as for example calcium chloride or magnesium chloride. More preferably, the composition includes 2 to 10 wt% magnesium chloride.
- the composition further includes 0.5 to 7 wt% starch or gluten.
- starch is provided from the addition of cornflour to the composition.
- the filler material is a non-reactive material with a high density.
- the density is greater than 1 g/cm 3 , and more preferably the density of the filler material is approximately 2.0 to 3.0 g/cm 3 .
- the filler material may be chosen from any non-reactive material with a high density such as for example barium sulphate or KAOLIN.
- the composition includes: 10 - 25 wt% water
- composition may further include constituents such as for example ethylene and/or propylene glycols; polyvinyl alcohols; deodorisers; anti-oxidants and/or fungicides.
- constituents such as for example ethylene and/or propylene glycols; polyvinyl alcohols; deodorisers; anti-oxidants and/or fungicides.
- the present invention provides a sheet material with sound dampening properties wherein the sheet material is prepared from a composition including:
- the composition also includes 1 to 15 wt% of a group II metal chloride such as for example calcium chloride or magnesium chloride. More preferably, the composition includes 2 to 10 wt% magnesium chloride.
- a group II metal chloride such as for example calcium chloride or magnesium chloride. More preferably, the composition includes 2 to 10 wt% magnesium chloride.
- the composition further includes 0.5 to 7 wt% starch or gluten.
- starch is provided from the addition of cornflour to the composition.
- the sheet material is produced in the form of a sheet of between 1 and 8 mm in thickness.
- the sheet material is 1.7mm in thickness up to 6 mm.
- the sheet material may be bonded on either or both planar surfaces to any suitable material to provide a composite layered material. Suitable materials may be aluminium film, plasterboard, timber, steel (colourbond roofing), fibre-cement sheeting, non-woven polyester, acoustic foam or any other natural fibre matting.
- the sheet material may be affixed to other suitable materials by adhesive or during curing process at manufacturing stage.
- the sheet material may be of any suitable density, preferably within a range of 1 g/cm 3 to 3 g/cm .
- the sheet material is incorporated into a wall structure utilising, for example, staggered studs and a cavity filled with polyester batts or suitable sound absorptive material.
- the sheet material maybe incorporated into said wall structure by sandwiching the sheet material between two plasterboard sheets.
- the present invention provides a process for producing a sheet material with sound dampening properties including the steps of
- the gel may be extruded onto an aluminium foil sheet or another suitable material whereby, once the sheet cures in step (vi), a composite sheet material is produced.
- the composition according to the present invention may be used to provide an acoustic sheeting material that has significant sound dampening characteristics.
- the sheeting material once formed has a density at least greater than 1 g/cm 3 and preferably a density of about 2.5 g/cm 3 .
- the sheeting material is very flexible with a high elastic memory, thus providing excellent sound dampening properties.
- the composition of the present invention is made from non-petroleum based products, the acoustic sheeting material produced from the composition is biodegradable and non toxic. Furthermore, the cost of the sheeting material is independent from the oil price and oil supply.
- composition is fire retardant and does not give off toxic fumes when burnt in contrast to the alternative product of loaded vinyl. This provides that the material may be used extensively in building materials to provide a safer and greener alternative to loaded vinyl.
- the composition of the present invention may also be coloured by any suitable techniques, to produce sheeting in any colour that may be desired. Furthermore, the composition has excellent adhesion properties and does therefore not require gluing at the formation stage if bonded to a suitable substrate. Alternatively, once the sheeting material has cured, the material is also compatible with most glues and adhesives such that a composite material may be produced at that stage.
- the present invention will become better understood from the following example of a preferred but non-limiting embodiment thereof.
- composition 100 g of water together with 100 g of glycerine and 10 g of starch was mixed and then heated to a temperature of 85 °C. 80 g of gelatine and 20 g of magnesium chloride was then dissolved into the mixture and a gel was formed. 31O g of barium sulphate was then added to the gel providing a composition with good flexibility, elasticity, tensile strength, and density with good film forming properties.
- the composition had the following composition by weight:
- composition was then extruded into a flat sheet and bonded onto an aluminium film and then brought down to room temperature whereby the composition cured to form a sheet of composite material of 4mm in thickness that showed excellent sound dampening properties.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Multimedia (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2005306588A AU2005306588B2 (en) | 2004-11-22 | 2005-11-18 | Composition for sound insulating sheet material with gelatine, glycerine and other materials |
US11/667,847 US20080203350A1 (en) | 2004-11-22 | 2005-11-18 | Composition For Producing Sheet Material |
EP05804576A EP1819889A4 (en) | 2004-11-22 | 2005-11-18 | Composition for sound insulating sheet material with gelatine, glycerine and other materials |
CN2005800398696A CN101124372B (en) | 2004-11-22 | 2005-11-18 | Composition for sound insulating sheet material with gelatine, glycerine and other materials |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004906645 | 2004-11-22 | ||
AU2004906645A AU2004906645A0 (en) | 2004-11-22 | A composition for producing sheet material |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006053393A1 true WO2006053393A1 (en) | 2006-05-26 |
Family
ID=36406778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2005/001758 WO2006053393A1 (en) | 2004-11-22 | 2005-11-18 | Composition for sound insulating sheet material with gelatine, glycerine and other materials |
Country Status (4)
Country | Link |
---|---|
US (1) | US20080203350A1 (en) |
EP (1) | EP1819889A4 (en) |
CN (1) | CN101124372B (en) |
WO (1) | WO2006053393A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105683456A (en) * | 2013-05-09 | 2016-06-15 | 声学空间有限公司 | A sound insulating sheet material with a cellular structure including gelatine and/or a process for producing the same |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103980551B (en) * | 2012-11-13 | 2015-12-30 | 慈溪市鑫昶工业产品设计有限公司 | Composite thermal expansion material pipe and manufacture method thereof |
AU2014101211B4 (en) * | 2013-05-09 | 2015-01-29 | Acoustic Space Pty Ltd | A sound insulating sheet material with a cellular structure including gelatine and/or a process for producing the same |
CN103289428A (en) * | 2013-07-03 | 2013-09-11 | 内蒙古大学 | Preparation method of kaolin and waste plant fiber composite board |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR669833A (en) | 1929-02-19 | 1929-11-21 | Pilling & Co G M B H Fa | Process for the manufacture of insulating plates making it possible to suppress noise and trepidation |
BE868657Q (en) * | 1975-08-25 | 1979-01-02 | Union Carbide Corp | SOFT POLYETHERPOLYURETHANNES FOAM MANUFACTURING MIXTURE |
EP0037785B1 (en) * | 1980-04-04 | 1985-08-14 | Laboratoires Biotrol S.A. | Device for attenuating the noises emitted by an artificial anus |
JPH04136013A (en) * | 1990-09-27 | 1992-05-11 | Asahi Denka Kogyo Kk | Soundproof and vibration-damping material |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3424270A (en) * | 1965-05-12 | 1969-01-28 | Us Plywood Champ Papers Inc | Viscoelastic sound-blocking material with filler of high density particles |
US4086331A (en) * | 1975-01-07 | 1978-04-25 | Technion Research And Development Foundation Ltd. | Gelatin-based compositions and a method for the generation of stabilized foams therefrom |
US4510019A (en) * | 1981-05-12 | 1985-04-09 | Papeteries De Jeand'heurs | Latex containing papers |
US4954327A (en) * | 1988-08-12 | 1990-09-04 | Blount David H | Production of silica aerogels |
US5569513A (en) * | 1994-08-10 | 1996-10-29 | Armstrong World Industries, Inc. | Aerogel-in-foam thermal insulation and its preparation |
US5945643A (en) * | 1995-06-16 | 1999-08-31 | Casser; Donald J. | Vibration dampening material and process |
CN101446167A (en) * | 1997-09-09 | 2009-06-03 | 任文林 | High-security antitheft door and lock thereof |
US5922379A (en) * | 1998-05-05 | 1999-07-13 | Natural Polymer International Corporation | Biodegradable protein/starch-based thermoplastic composition |
US20020096278A1 (en) * | 2000-05-24 | 2002-07-25 | Armstrong World Industries, Inc. | Durable acoustical panel and method of making the same |
-
2005
- 2005-11-18 WO PCT/AU2005/001758 patent/WO2006053393A1/en active Application Filing
- 2005-11-18 EP EP05804576A patent/EP1819889A4/en not_active Withdrawn
- 2005-11-18 US US11/667,847 patent/US20080203350A1/en not_active Abandoned
- 2005-11-18 CN CN2005800398696A patent/CN101124372B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR669833A (en) | 1929-02-19 | 1929-11-21 | Pilling & Co G M B H Fa | Process for the manufacture of insulating plates making it possible to suppress noise and trepidation |
BE868657Q (en) * | 1975-08-25 | 1979-01-02 | Union Carbide Corp | SOFT POLYETHERPOLYURETHANNES FOAM MANUFACTURING MIXTURE |
EP0037785B1 (en) * | 1980-04-04 | 1985-08-14 | Laboratoires Biotrol S.A. | Device for attenuating the noises emitted by an artificial anus |
JPH04136013A (en) * | 1990-09-27 | 1992-05-11 | Asahi Denka Kogyo Kk | Soundproof and vibration-damping material |
Non-Patent Citations (1)
Title |
---|
See also references of EP1819889A4 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105683456A (en) * | 2013-05-09 | 2016-06-15 | 声学空间有限公司 | A sound insulating sheet material with a cellular structure including gelatine and/or a process for producing the same |
EP2994581A4 (en) * | 2013-05-09 | 2017-01-25 | Acoustic Space Pty Ltd | A sound insulating sheet material with a cellular structure including gelatine and/or a process for producing the same |
US10395633B2 (en) | 2013-05-09 | 2019-08-27 | Acoustic Space Pty Ltd | Sound insulating sheet material with a cellular structure including gelatine and/or a process for producing the same |
Also Published As
Publication number | Publication date |
---|---|
EP1819889A1 (en) | 2007-08-22 |
EP1819889A4 (en) | 2011-02-02 |
US20080203350A1 (en) | 2008-08-28 |
CN101124372A (en) | 2008-02-13 |
CN101124372B (en) | 2012-01-18 |
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