RU2016139261A - Звукоизоляционная панель на основе гипса - Google Patents
Звукоизоляционная панель на основе гипса Download PDFInfo
- Publication number
- RU2016139261A RU2016139261A RU2016139261A RU2016139261A RU2016139261A RU 2016139261 A RU2016139261 A RU 2016139261A RU 2016139261 A RU2016139261 A RU 2016139261A RU 2016139261 A RU2016139261 A RU 2016139261A RU 2016139261 A RU2016139261 A RU 2016139261A
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- Russia
- Prior art keywords
- copolymers
- vinyl acetate
- olefin
- gypsum
- parts
- Prior art date
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- 239000010440 gypsum Substances 0.000 title claims 11
- 229910052602 gypsum Inorganic materials 0.000 title claims 11
- 238000009413 insulation Methods 0.000 title 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims 17
- 229920001577 copolymer Polymers 0.000 claims 16
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 claims 8
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims 8
- 150000001336 alkenes Chemical class 0.000 claims 6
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 6
- 229920000642 polymer Polymers 0.000 claims 6
- 230000009477 glass transition Effects 0.000 claims 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 4
- 239000000178 monomer Substances 0.000 claims 4
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims 3
- -1 for example Substances 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- 239000000654 additive Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 229920006027 ternary co-polymer Polymers 0.000 claims 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims 1
- 229920001353 Dextrin Polymers 0.000 claims 1
- 239000004375 Dextrin Substances 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims 1
- 229920002472 Starch Polymers 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 230000003115 biocidal effect Effects 0.000 claims 1
- 239000003139 biocide Substances 0.000 claims 1
- ZHZFKLKREFECML-UHFFFAOYSA-L calcium;sulfate;hydrate Chemical compound O.[Ca+2].[O-]S([O-])(=O)=O ZHZFKLKREFECML-UHFFFAOYSA-L 0.000 claims 1
- 239000004927 clay Substances 0.000 claims 1
- 229910052570 clay Inorganic materials 0.000 claims 1
- 235000019425 dextrin Nutrition 0.000 claims 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 239000003063 flame retardant Substances 0.000 claims 1
- 235000013312 flour Nutrition 0.000 claims 1
- 239000004088 foaming agent Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000002557 mineral fiber Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 229920005594 polymer fiber Polymers 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims 1
- 229910052939 potassium sulfate Inorganic materials 0.000 claims 1
- 235000011151 potassium sulphates Nutrition 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000012758 reinforcing additive Substances 0.000 claims 1
- 239000005871 repellent Substances 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims 1
- 229910052938 sodium sulfate Inorganic materials 0.000 claims 1
- 235000011152 sodium sulphate Nutrition 0.000 claims 1
- 235000019698 starch Nutrition 0.000 claims 1
- 239000008107 starch Substances 0.000 claims 1
- 229910052902 vermiculite Inorganic materials 0.000 claims 1
- 239000010455 vermiculite Substances 0.000 claims 1
- 235000019354 vermiculite Nutrition 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
Classifications
-
- 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
- E04B1/86—Sound-absorbing elements slab-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/08—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/02—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles being present as additives in the layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/12—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/02—Synthetic macromolecular particles
- B32B2264/0214—Particles made of materials belonging to B32B27/00
- B32B2264/0228—Vinyl resin particles, e.g. polyvinyl acetate, polyvinyl alcohol polymers or ethylene-vinyl acetate copolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/02—Synthetic macromolecular particles
- B32B2264/0214—Particles made of materials belonging to B32B27/00
- B32B2264/0257—Polyolefin particles, e.g. polyethylene or polypropylene homopolymers or ethylene-propylene copolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2607/00—Walls, panels
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Textile Engineering (AREA)
- Acoustics & Sound (AREA)
- Architecture (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Graft Or Block Polymers (AREA)
- Producing Shaped Articles From Materials (AREA)
Claims (16)
1. Панель на основе гипса, в частности, со структурой, содержащей внутренний слой на основе гипса, размещенный между двумя листами бумаги или нетканого материала, отличающаяся тем, что указанный внутренний слой содержит по меньшей мере один полимер, выбранный из поливинилбутираля (PVB), сополимеров винилацетата и олефина, причем указанные сополимеры имеют температуру стеклования в интервале от -10°C до +25°C, тройных сополимеров винилацетата, олефина и винилового эфира, тройных сополимеров винилацетата, винилового эфира и (мет)акрилата, и сополимеров винилацетата и акрилового мономера.
2. Панель по п. 1, отличающаяся тем, что сополимеры винилацетата и олефина имеют температуру стеклования в интервале от -5°C до +20°C, предпочтительно от 0 до +10°C.
3. Панель по п. 1 или 2, отличающаяся тем, что полимер составляет от 1 до 40 мас.% смеси, состоящей из гипса и полимера, предпочтительно от 3 до 30 мас.%, благоприятно от 5 до 20 мас.%.
4. Панель по одному из пп. 1-3, отличающаяся тем, что полимер находится в виде частиц со средним размером от 0,01 до 1200 мкм, предпочтительно от 0,1 до 1000 мкм, и еще лучше от 0,2 до 400 мкм.
5. Панель по одному из пп. 1-4, отличающаяся тем, что она включает также следующие добавки в следующих массовых соотношениях, в расчете на 100 массовых частей гипса:
- 0,1-15 частей добавки, улучшающей адгезию, как, например, крахмал, в частности, предварительно обработанный кислотой, декстрин или древесная мука,
- 0,001-10 частей ускорителя схватывания, например, сульфата кальция гидрата или сульфата калия,
- 0,001-10 частей замедлителя схватывания,
- 0-10 частей биоцида, например, омадина натрия,
- 0,0001-1 частей пенообразователя, например, алкиловых эфиров сульфата натрия и лаурилсульфата натрия,
- 0-10 частей по меньшей мере одной водоотталкивающей добавки, например, силоксана или полисилоксана,
- 0-20 частей по меньшей мере одного огнезащитного средства, например, вермикулита, кремнезема, глины или металлических нитей,
- 0-20 частей по меньшей мере одной армирующей добавки, как, например, полимерные волокна, минеральные волокна или животные или растительные волокна.
6. Способ изготовления панели, в частности, со структурой, содержащей внутренний слой, расположенный между двумя листами бумаги или нетканого материала, согласно которому обожженный гипс в виде порошка смешивают с водой, чтобы сформировать пастообразную массу, пастообразную массу наносят сплошным слоем между указанными листами, прессуют образованный продукт, чтобы получить желаемую толщину, и режут панели на желаемую длину, отличающийся тем, что для получения внутреннего слоя панели в обожженный гипс добавляют по меньшей мере один полимер, выбранный из поливинилбутираля (PVB), сополимеров винилацетата и олефина, причем указанные сополимеры имеют температуру стеклования в интервале от -10°C до +25°C, тройных сополимеров винилацетата, олефина и винилового эфира, тройных сополимеров винилацетата, винилового эфира и (мет)акрилата, и сополимеров винилацетата и акрилового мономера.
7. Применение полимера, выбранного из поливинилбутираля (PVB), сополимеров винилацетата и олефина, причем указанные сополимеры имеют температуру стеклования в интервале от -10°C до +25°C, тройных сополимеров винилацетата, олефина и винилового эфира, тройных сополимеров винилацетата, винилового эфира и (мет)акрилата, и сополимеров винилацетата и акрилового мономера, в композиции на основе обожженного гипса, предназначенной для изготовления панели на основе гипса, в целях улучшения звукоизоляционных характеристик указанной панели.
8. Композиция на основе гипса, отличающаяся тем, что она содержит обожженный гипс и по меньшей мере один полимер, выбранный из поливинилбутираля (PVB), сополимеров винилацетата и олефина, причем указанные сополимеры имеют температуру стеклования в интервале от -10°C до +25°C, тройных сополимеров винилацетата, олефина и винилового эфира, тройных сополимеров винилацетата, винилового эфира и (мет)акрилата, и сополимеров винилацетата и акрилового мономера.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1451884 | 2014-03-07 | ||
FR1451884A FR3018220B1 (fr) | 2014-03-07 | 2014-03-07 | Plaque acoustique a base de platre. |
PCT/FR2015/050550 WO2015132536A2 (fr) | 2014-03-07 | 2015-03-06 | Plaque acoustique a base de platre. |
Publications (3)
Publication Number | Publication Date |
---|---|
RU2016139261A true RU2016139261A (ru) | 2018-04-10 |
RU2016139261A3 RU2016139261A3 (ru) | 2018-10-22 |
RU2683112C2 RU2683112C2 (ru) | 2019-03-26 |
Family
ID=51225635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2016139261A RU2683112C2 (ru) | 2014-03-07 | 2015-03-06 | Звукоизоляционная панель на основе гипса |
Country Status (21)
Country | Link |
---|---|
US (1) | US9868269B2 (ru) |
EP (1) | EP3113945B1 (ru) |
JP (1) | JP6560262B2 (ru) |
KR (1) | KR101888288B1 (ru) |
CN (1) | CN106068355A (ru) |
AR (1) | AR099696A1 (ru) |
AU (1) | AU2015225979B2 (ru) |
CA (1) | CA2941325C (ru) |
CL (1) | CL2016002244A1 (ru) |
ES (1) | ES2957900T3 (ru) |
FR (1) | FR3018220B1 (ru) |
HU (1) | HUE062756T2 (ru) |
MX (1) | MX356459B (ru) |
MY (1) | MY178317A (ru) |
NZ (1) | NZ723846A (ru) |
PH (1) | PH12016501714B1 (ru) |
RU (1) | RU2683112C2 (ru) |
SG (1) | SG11201607428TA (ru) |
TW (1) | TWI668351B (ru) |
UA (1) | UA116301C2 (ru) |
WO (1) | WO2015132536A2 (ru) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016127127A1 (en) | 2015-02-05 | 2016-08-11 | National Gypsum Properties, Llc | Sound damping wallboard and method of forming a sound damping wallboard |
FR3046566B1 (fr) * | 2016-01-13 | 2019-07-12 | Saint-Gobain Placo | Plaque acoustique a base de platre. |
FR3046567B1 (fr) * | 2016-01-13 | 2019-07-12 | Saint-Gobain Placo | Plaque acoustique a base de platre. |
US11339572B1 (en) | 2017-01-23 | 2022-05-24 | Gold Bond Building Products, Llc | Method of manufacturing gypsum board with improved fire |
CA3064101A1 (en) | 2018-12-06 | 2020-06-06 | National Gypsum Properties, Llc | Sound damping gypsum board and method of constructing a sound damping gypsum board |
MX2021006657A (es) | 2020-06-05 | 2021-12-06 | Gold Bond Building Products Llc | Tablero de yeso de aislamiento acústico y método para construir un tablero de yeso de aislamiento acústico. |
CN113429186A (zh) * | 2021-06-21 | 2021-09-24 | 北新集团建材股份有限公司 | 一种纸面石膏板及其制备方法 |
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