CN114671663B - Fire-resistant gypsum board for building and preparation method thereof - Google Patents
Fire-resistant gypsum board for building and preparation method thereof Download PDFInfo
- Publication number
- CN114671663B CN114671663B CN202210370945.7A CN202210370945A CN114671663B CN 114671663 B CN114671663 B CN 114671663B CN 202210370945 A CN202210370945 A CN 202210370945A CN 114671663 B CN114671663 B CN 114671663B
- Authority
- CN
- China
- Prior art keywords
- reinforcing rib
- parts
- gypsum board
- glass fiber
- fixing
- 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.)
- Active
Links
Images
Classifications
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
- C04B2111/0062—Gypsum-paper board like materials
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Building Environments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a fire-resistant gypsum board for buildings and a preparation method thereof. According to the fire-resistant gypsum board for the building, the first reinforcing ribs and the second reinforcing ribs are arranged in the gypsum board in a crossed manner, so that the integrity of the gypsum board is improved, the gypsum board is not easy to collapse after cracking, and the two sides of the gypsum board are provided with the waterproof and fireproof mask paper, so that the mask paper is prevented from being easily burnt, and the fire resistance of the gypsum board is improved; set up kaolin, glass fiber etc. in the plaster core of gypsum board, kaolin can absorb a large amount of heats and play fire-retardant effect, and inside glass fiber has improved the fracture load, guarantees the stability of gypsum board.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a fireproof gypsum board for buildings and a preparation method thereof.
Background
The gypsum board is a material prepared by taking building gypsum as a main raw material. The building material has the advantages of light weight, high strength, small thickness, convenient processing, sound insulation, heat insulation, fire prevention and other good performances, and is one of the currently-developed novel light boards. Gypsum boards have been widely used for interior partitions, wall-covering panels (instead of wall plasters), ceilings, sound-absorbing panels, floor slabs, and various decorative panels in various buildings such as houses, office buildings, shops, hotels, and industrial plants.
The strength and fire stability of the gypsum board are two important points of attention of customers to the quality of the gypsum board, the final product of the existing gypsum board core is dihydrate gypsum, the dihydrate gypsum can be dehydrated and shrunk and cracked under the action of high-temperature flame, and the gypsum board can collapse due to cracking quickly and loses the fire-insulating capability.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a fire-resistant gypsum board for buildings and a preparation method thereof, which improve the fire resistance of the gypsum board and solve the problem that the gypsum board collapses due to dehydration shrinkage cracking under heating.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a fire-resistant gypsum board for buildings comprises a paste core, wherein a first reinforcing rib and a second reinforcing rib are arranged in the paste core, the first reinforcing rib and the second reinforcing rib are arranged in a crossed manner, the first reinforcing rib is close to the top of the paste core, the second reinforcing rib is close to the bottom of the paste core, and two sides of the paste core are provided with protective paper;
the paste core comprises the following components in parts by weight: 80-120 parts of gypsum powder, 20-40 parts of diatomite, 30-60 parts of kaolin, 80-120 parts of glass fiber, 5-15 parts of silica sol, 1-3 parts of aluminum dihydrogen phosphate, 1-5 parts of a water reducing agent, 10-30 parts of calcium oxide and 80-160 parts of water;
the mask paper comprises a paperboard layer, a fireproof layer is arranged on one side of the paperboard layer, and a waterproof layer is arranged on one side of the fireproof layer.
Preferably, the first reinforcing rib and the second reinforcing rib are made of glass fiber ropes.
Preferably, the glass fiber is alkali-resistant glass fiber.
Preferably, the water reducing agent is a naphthalene sulfonate water reducing agent or a melamine water reducing agent.
A preparation method of fire-resistant gypsum board for buildings comprises the following steps:
s1, adding water into a stirrer, then adding glass fiber and aluminum dihydrogen phosphate, stirring for 3-8min, and then performing ultrasonic dispersion;
s2, adding gypsum powder, diatomite, kaolin, silica sol, a water reducing agent and calcium oxide into a stirrer, and stirring to obtain slurry;
s3, fixing a first reinforcing rib and a second reinforcing rib in a paste core forming die, paving a face-protecting paper on a bottom plate, placing the paste core forming die on the face-protecting paper, pouring slurry into the die, carrying out extrusion forming, paving another layer of face-protecting paper on the top of the paste core, and fixing the face-protecting paper by carrying out extrusion again;
and S4, solidifying and drying the refractory gypsum board obtained in the S3, then shearing off the first reinforcing rib and the second reinforcing rib outside the refractory gypsum board, demolding, and finally cutting to obtain the final refractory gypsum board.
Preferably, the paste core forming die includes the fixed plate, the fixed frame of top central authorities fixedly connected with of fixed plate, the top of fixed plate and the both sides that are located fixed frame are provided with first strengthening rib collecting chamber and second strengthening rib collecting chamber, the top of fixed plate still is provided with the fixed column that is used for fixed strengthening rib, the top of fixed frame sets up because the clamp plate of adaptation, the top of clamp plate is provided with the compression leg.
Preferably, the side of fixed frame is provided with the perforation, the through-hole with fixed frame adaptation is seted up on the surface of fixed plate, the top four corners department of fixed plate is provided with the spliced pole.
(III) advantageous effects
The invention provides a refractory gypsum board for buildings. The method has the following beneficial effects:
the first reinforcing ribs and the second reinforcing ribs which are arranged in a crossed mode are arranged inside the gypsum board, so that the integrity of the gypsum board is improved, the gypsum board is not prone to collapse after cracking, and the waterproof and fireproof surface protecting paper is arranged on the two sides of the gypsum board, so that the surface protecting paper is prevented from being burnt easily, and the fire resistance of the gypsum board is improved; set up kaolin, glass fiber etc. in the plaster core of gypsum board, kaolin can absorb a large amount of heats and play fire-retardant effect, and inside glass fiber has improved the fracture load, guarantees the stability of gypsum board.
Drawings
FIG. 1 is a cross-sectional view of a gypsum board of the present invention;
FIG. 2 is a schematic view of the construction of a facial tissue of the present invention;
FIG. 3 is a first schematic structural view of a paste core forming mold according to the present invention;
fig. 4 is a structural schematic diagram of a paste core forming die of the invention.
In the figure: the production process comprises the following steps of 1-paste core, 2-first reinforcing rib, 3-second reinforcing rib, 4-face protecting paper, 41-paperboard layer, 42-fireproof layer, 43-waterproof layer, 5-fixing plate, 6-fixing frame, 7-first reinforcing rib storage bin, 8-second reinforcing rib storage bin, 9-through hole, 10-fixing column, 11-connecting column, 12-pressing plate and 13-pressing column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A fire-resistant gypsum board for buildings comprises a paste core 1, wherein a first reinforcing rib 2 and a second reinforcing rib 3 are arranged in the paste core 1, the first reinforcing rib 2 and the second reinforcing rib 3 are arranged in a crossed manner, the first reinforcing rib 2 is close to the top of the paste core 1, the second reinforcing rib 3 is close to the bottom of the paste core 1, and two sides of the paste core 1 are provided with protective paper 4;
the paste core 1 comprises the following components in parts by weight: 80 parts of gypsum powder, 20 parts of diatomite, 30 parts of kaolin, 80 parts of glass fiber, 5 parts of silica sol, 1 part of aluminum dihydrogen phosphate, 1 part of water reducing agent, 10 parts of calcium oxide and 80 parts of water, wherein the average monofilament diameter of the glass fiber is 10 mu m, and the average length of the glass fiber is 10mm;
the protective paper 4 comprises a paperboard layer 41, a fireproof layer 42 is arranged on one side of the paperboard layer 41, and a waterproof layer 43 is arranged on one side of the fireproof layer 42.
The first reinforcing rib 2 and the second reinforcing rib 3 are made of glass fiber ropes.
The glass fiber is alkali-resistant glass fiber.
The water reducing agent is a naphthalene sulfonate water reducing agent or a melamine water reducing agent.
A preparation method of fire-resistant gypsum boards for buildings comprises the following steps:
s1, adding water into a stirrer according to the parts by weight, then adding glass fiber and aluminum dihydrogen phosphate, stirring for 3min at the rotating speed of a stirring paddle of 1000r/min, and then performing ultrasonic dispersion, wherein the ultrasonic frequency is 30KHz, the ultrasonic power is 0.6kw, and the ultrasonic dispersion is 15min;
s2, adding gypsum powder, diatomite, kaolin, silica sol, a water reducing agent and calcium oxide into a stirrer according to the parts by weight, and stirring to obtain slurry;
s3, fixing a first reinforcing rib and a second reinforcing rib in a paste core forming die, paving a face-protecting paper on a bottom plate, placing the paste core forming die on the face-protecting paper, pouring slurry into the die, carrying out extrusion forming, paving another layer of face-protecting paper on the top of the paste core, and fixing the face-protecting paper by carrying out extrusion again;
and S4, solidifying and drying the refractory gypsum board obtained in the S3, then shearing off the first reinforcing rib and the second reinforcing rib outside the refractory gypsum board, demolding, and finally cutting to obtain the final refractory gypsum board.
Paste core forming die includes fixed plate 5, the fixed frame 6 of the top central authorities fixedly connected with of fixed plate 5, the top of fixed plate 5 and the both sides that are located fixed frame 6 are provided with first strengthening rib collecting storage 7 and second strengthening rib collecting storage 8, the glass fiber rope has been coiled in first strengthening rib collecting storage 7 and the second strengthening rib collecting storage 8, the top of fixed plate 5 still is provided with the fixed column 10 that is used for fixed strengthening rib, the top of fixed frame 6 sets up clamp plate 12 because the adaptation, the top of clamp plate 12 is provided with compression leg 13, the side of fixed frame 6 is provided with perforation 9, the through-hole with fixed frame 6 adaptation is seted up on the surface of fixed plate 5, the top four corners department of fixed plate 5 is provided with spliced pole 11, pass the glass fiber rope from the perforation 9 of fixed frame 6 side and fix on fixed column 10, tighten up the take-up device in the collecting storage, make the tension of glass fiber rope be 15N.
Example 2
The difference from the embodiment 1 is that:
the paste core 1 comprises the following components in parts by weight: 100 parts of gypsum powder, 30 parts of diatomite, 45 parts of kaolin, 100 parts of glass fiber, 10 parts of silica sol, 2 parts of aluminum dihydrogen phosphate, 3 parts of a water reducing agent, 20 parts of calcium oxide and 120 parts of water, wherein the average monofilament diameter of the glass fiber is 12 mu m, and the length of the glass fiber is 15mm;
stirring for 5min at S1 with the rotating speed of a stirring paddle of 1200r/min, and then performing ultrasonic dispersion for 18min, wherein the ultrasonic frequency is 40KHz, the ultrasonic power is 0.7 kw;
the tension of the glass fiber rope was 20N.
Example 3
The difference from the example 1 is that:
the paste core 1 comprises the following components in parts by weight: 120 parts of gypsum powder, 40 parts of diatomite, 60 parts of kaolin, 120 parts of glass fiber, 15 parts of silica sol, 3 parts of aluminum dihydrogen phosphate, 5 parts of water reducing agent, 30 parts of calcium oxide and 160 parts of water, wherein the average monofilament diameter of the glass fiber is 15 mu m, and the length of the glass fiber is 18mm;
stirring for 8min at the S1 with the rotating speed of a stirring paddle being 1500r/min, and then performing ultrasonic dispersion with the ultrasonic frequency being 55KHz and the ultrasonic power being 0.9kw for 20min;
the tension of the glass fiber rope was 25N.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A preparation method of a fire-resistant gypsum board for buildings is characterized by comprising the following steps: the method comprises the following steps:
s1, adding water into a stirrer, then adding glass fiber and aluminum dihydrogen phosphate, stirring for 3-8min, and then performing ultrasonic dispersion;
s2, adding gypsum powder, diatomite, kaolin, silica sol, a water reducing agent and calcium oxide into a stirrer, and stirring to obtain slurry;
s3, fixing a first reinforcing rib (2) and a second reinforcing rib (3) in a paste core forming die, paving a protective paper (4) on the bottom plate, placing the paste core forming die on the protective paper (4), pouring slurry into the die, carrying out extrusion forming, paving another layer of protective paper (4) on the top of the paste core (1), and fixing the protective paper by extrusion again;
s4, solidifying and drying the refractory gypsum board obtained in the S3, then shearing off and demoulding a first reinforcing rib (2) and a second reinforcing rib (3) outside the refractory gypsum board, and finally cutting to obtain a final refractory gypsum board;
the paste core forming die comprises a fixing plate (5), a fixing frame (6) is fixedly connected to the center of the top of the fixing plate (5), a first reinforcing rib storage bin (7) and a second reinforcing rib storage bin (8) are arranged at the top of the fixing plate (5) and located on two sides of the fixing frame (6), fixing columns (10) used for fixing reinforcing ribs are further arranged at the top of the fixing plate (5), a pressing plate (12) matched with the fixing frame (6) is arranged above the fixing frame (6), a pressing column (13) is arranged at the top of the pressing plate (12), through holes matched with the fixing frame (6) are formed in the side face of the fixing frame (6), connecting columns (11) are arranged at four corners of the top of the fixing plate (5), a glass fiber rope is wound in the first reinforcing rib storage bin (7) and the second reinforcing rib storage bin (8), the glass fiber rope penetrates through the through holes (9) in the side face of the fixing frame (6) and is fixed on the fixing columns (10), and a winding device in the storage bins is tightened, so that the tension of the glass fiber rope is 15N, 20N or 25N;
the gypsum board comprises a gypsum core (1), wherein a first reinforcing rib (2) and a second reinforcing rib (3) are arranged in the gypsum core (1), the first reinforcing rib (2) and the second reinforcing rib (3) are arranged in a crossed manner, the first reinforcing rib (2) is close to the top of the gypsum core (1), the second reinforcing rib (3) is close to the bottom of the gypsum core (1), and the first reinforcing rib (2) and the second reinforcing rib (3) are made of glass fiber ropes;
the paste core (1) comprises the following components in parts by weight: 80-120 parts of gypsum powder, 20-40 parts of diatomite, 30-60 parts of kaolin, 80-120 parts of glass fiber, 5-15 parts of silica sol, 1-3 parts of aluminum dihydrogen phosphate, 1-5 parts of a water reducing agent, 10-30 parts of calcium oxide and 80-160 parts of water;
the face-protecting paper (4) comprises a paperboard layer (41), a fireproof layer (42) is arranged on one side of the paperboard layer (41), and a waterproof layer (43) is arranged on one side of the fireproof layer (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210370945.7A CN114671663B (en) | 2022-04-11 | 2022-04-11 | Fire-resistant gypsum board for building and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210370945.7A CN114671663B (en) | 2022-04-11 | 2022-04-11 | Fire-resistant gypsum board for building and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114671663A CN114671663A (en) | 2022-06-28 |
| CN114671663B true CN114671663B (en) | 2023-03-10 |
Family
ID=82077944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210370945.7A Active CN114671663B (en) | 2022-04-11 | 2022-04-11 | Fire-resistant gypsum board for building and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114671663B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRMU8402085U (en) * | 2004-08-27 | 2006-04-25 | Terra Estruturas Planas Ltda M | precast plate for application to the precast locking rib system for one-way slabs and transverse reinforcement ribs for bi-directional slabs |
| AU2010202894A1 (en) * | 2009-10-09 | 2011-04-28 | Usg Boral Building Products Pty Limited | Reinforced plasterboard |
| CN203961173U (en) * | 2014-07-02 | 2014-11-26 | 杨义秋 | A kind of dotted line location fiber-strengthened paper surface gypsum board |
| CN207453336U (en) * | 2017-11-07 | 2018-06-05 | 泰山石膏（湘潭）有限公司 | The compound Thistle board of sound insulation |
| CN109956734A (en) * | 2017-12-14 | 2019-07-02 | 北新集团建材股份有限公司 | A kind of refractory plasterboard and preparation method thereof |
| CN209261104U (en) * | 2018-12-17 | 2019-08-16 | 新余市唐窑建材有限公司 | A kind of fireproof water-proof high-strength plasterboard |
| CN212920687U (en) * | 2020-04-02 | 2021-04-09 | 泰山石膏（宣城）有限公司 | Heat-insulation fireproof paper-faced gypsum board |
| WO2022029584A1 (en) * | 2020-08-07 | 2022-02-10 | Georgia-Pacific Gypsum Llc | Fire resistant gypsum panels, and methods |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535209Y (en) * | 2002-05-08 | 2003-02-12 | 田佳鑫 | Doube-face reinforced extra-strong gypsum wallboard rapid-shaping mould |
| CN105064589B (en) * | 2015-09-02 | 2017-03-01 | 湖南安雅达建材科技有限公司 | A kind of detachable full concealed installation structure of gypsum plaster ceiling board and installation method |
| US9950957B2 (en) * | 2015-10-16 | 2018-04-24 | United States Gypsum Company | Light weight gypsum fiber panel suitable for use as roof cover board |
| CN107081409A (en) * | 2017-04-20 | 2017-08-22 | 山东豪迈机械科技股份有限公司 | A kind of plaster mold strengthens method and device |
-
2022
- 2022-04-11 CN CN202210370945.7A patent/CN114671663B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRMU8402085U (en) * | 2004-08-27 | 2006-04-25 | Terra Estruturas Planas Ltda M | precast plate for application to the precast locking rib system for one-way slabs and transverse reinforcement ribs for bi-directional slabs |
| AU2010202894A1 (en) * | 2009-10-09 | 2011-04-28 | Usg Boral Building Products Pty Limited | Reinforced plasterboard |
| CN203961173U (en) * | 2014-07-02 | 2014-11-26 | 杨义秋 | A kind of dotted line location fiber-strengthened paper surface gypsum board |
| CN207453336U (en) * | 2017-11-07 | 2018-06-05 | 泰山石膏（湘潭）有限公司 | The compound Thistle board of sound insulation |
| CN109956734A (en) * | 2017-12-14 | 2019-07-02 | 北新集团建材股份有限公司 | A kind of refractory plasterboard and preparation method thereof |
| CN209261104U (en) * | 2018-12-17 | 2019-08-16 | 新余市唐窑建材有限公司 | A kind of fireproof water-proof high-strength plasterboard |
| CN212920687U (en) * | 2020-04-02 | 2021-04-09 | 泰山石膏（宣城）有限公司 | Heat-insulation fireproof paper-faced gypsum board |
| WO2022029584A1 (en) * | 2020-08-07 | 2022-02-10 | Georgia-Pacific Gypsum Llc | Fire resistant gypsum panels, and methods |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114671663A (en) | 2022-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2974769B2 (en) | Fiberboard of refractory structure containing gypsum | |
| US5798010A (en) | Methods of preparing fire doors | |
| US4195110A (en) | Glass-reinforced composite gypsum board | |
| US5305577A (en) | Fire-resistant structure containing gypsum fiberboard | |
| JPS624223B2 (en) | ||
| WO2007055835A2 (en) | Acoustical gypsum board for ceiling panel | |
| CA2320639A1 (en) | Acoustical panel having a honeycomb structure and method of making the same | |
| JP2006524626A (en) | SOUND ABSORBING PANEL CONTAINING INTERLOCKING MATRIX OF SOLIDED Gypsum and Method for Producing the | |
| CN209040360U (en) | The cast-in-situ thermal-insulated decorating wall of non-dismantling formwork is made of decoration panel and keel | |
| CN114671663B (en) | Fire-resistant gypsum board for building and preparation method thereof | |
| CN102518223A (en) | External insulation board for external wall and manufacture method thereof | |
| CN110616830A (en) | Light steel keel modified gypsum-based light partition wall and construction method thereof | |
| CN109279912A (en) | Magnesium oxysulfide fancy veneer and preparation method thereof | |
| CN107473682A (en) | A kind of preparation method of assembled multi-function plaster wallboard | |
| CN105254267A (en) | Hollow gypsum wallboard and production process thereof | |
| US3470977A (en) | Fire resistant glass fiberboard and method of making same | |
| JPS6014701B2 (en) | Lightweight exterior wall material and its manufacturing method | |
| EP1558540A2 (en) | Polyurethane-containing building materials | |
| CN111764524A (en) | Fireproof insulation board and preparation method thereof | |
| CN2560696Y (en) | High-strength coposite solid wall board | |
| CN105777030A (en) | Fireproof insulation board of outer wall and preparation method of fireproof insulation board | |
| Evans et al. | A semi-dry method for the production of lightweight glass-fibre-reinforced gypsum | |
| JP3177546B2 (en) | Flame retardant insulation | |
| CN2473275Y (en) | Light formwork | |
| KR20040100120A (en) | Adiabatic and flame retarding sandwich panel and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |