CN110655380A - Mineral polyester film composite building material plate and preparation method thereof - Google Patents
Mineral polyester film composite building material plate and preparation method thereof Download PDFInfo
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- CN110655380A CN110655380A CN201911075137.2A CN201911075137A CN110655380A CN 110655380 A CN110655380 A CN 110655380A CN 201911075137 A CN201911075137 A CN 201911075137A CN 110655380 A CN110655380 A CN 110655380A
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- Prior art keywords
- polyester film
- composite building
- film composite
- mineral
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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
- C04B28/30—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 magnesium cements or similar cements
- C04B28/32—Magnesium oxychloride cements, e.g. Sorel cement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/12—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
Abstract
The invention provides a mineral polyester film composite building material plate which is prepared from the following raw materials in parts by weight: 30-60 parts of magnesium oxide, 50-75 parts of magnesium chloride solution, 10-35 parts of fly ash, 1-10 parts of wood powder, 5-15 parts of rice hull, 1-5 parts of silicon powder, 1-10 parts of glass fiber mesh cloth, 0.5-1 part of phosphoric acid, 0.5-1.5 parts of citric acid and 1-8 parts of polyester film. According to the mineral polyester film composite building material plate and the preparation method thereof, materials are set, so that the building material has the effects of non-combustibility, low thermal conductivity and high-efficiency heat insulation.
Description
Technical Field
The invention belongs to the field of building materials, and particularly relates to a mineral polyester film composite building material plate and a preparation method thereof.
Background
Building materials are a general term for materials used in civil engineering and construction. It can be divided into structural material, decorative material and some special materials. The plate with high strength and good durability is mainly embodied as the material used as the stress member and the structure of the building, such as the material used by beams, plates, frames and the like; the plate material with high strength, good durability, good heat insulation, sound insulation and energy saving performance is mainly embodied in the materials for building envelope structures, such as the materials used in walls, doors and windows, roofs and other parts.
At present, a building mode of using an iron sheet roof and a foaming accessory is popular at home and abroad, but the building material has general heat insulation, cooling, fire prevention and other performances, and a building material with high heat insulation effect and fire prevention needs to be provided to solve the problem.
Disclosure of Invention
In view of the above, the invention aims to provide a mineral polyester film composite building material plate and a preparation method thereof, and the building material provided by the invention is proved to have the effects of non-combustibility, low thermal conductivity and high-efficiency heat insulation through numerous tests by setting materials and carrying out comparative analysis.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the mineral polyester film composite building material plate is prepared from the following raw materials in parts by weight:
further, the feed additive is prepared from the following raw materials in parts by weight:
further, the standard magnesium content of the magnesium oxide reaches 80-86%, the activity reaches 63-65%, the caustic soda content reaches 6-8%, and the powder fineness is 200 meshes.
Further, the concentration of the magnesium chloride solution is 24-29 baume degrees.
Further, the wood flour is sieved by a sieve with 1.5-3 mm holes, and the rice hulls are sieved by a sieve with 1.5-3 mm holes.
Further, the thickness of the polyester film is 0.3 to 2 mm.
The invention also provides a preparation method of the mineral polyester film composite building material plate, which comprises the following steps:
(1) adding magnesium oxide into the magnesium chloride solution and stirring;
(2) continuously adding the fly ash, the rice hulls and the wood powder into the mixture obtained in the step (1), and stirring for 3-5 minutes;
(3) continuously adding phosphoric acid, citric acid and silicon powder into the mixture obtained in the step (2), and uniformly stirring again to obtain a slurry mixture;
(4) laying the mold horizontally, laying a polyester film layer on the bottom of the mold, and pouring the slurry mixture obtained in the step (3) onto the polyester film in the mold to form a slurry layer; then laying a layer of glass fiber mesh cloth on the slurry layer, and then continuously pouring the slurry mixture on the glass fiber mesh cloth, thus forming a layered structure of a layer of fiber mesh cloth and a layer of slurry layer; finally, a polyester film is laid on the slurry layer on the uppermost layer to obtain a plate prototype;
(5) extruding the plate blank obtained in the step (4) through a machine press roller to obtain a formed wet blank plate;
(6) putting the wet blank plate obtained in the step (5) on a maintenance frame vehicle, and conveying the wet blank plate into a maintenance room for maintenance;
(7) taking out the maintained blank plate, cutting off burrs by an edge trimmer, sanding, polishing and cutting.
Further, the paving thickness of the slurry in the step (4) is 2.5-2.9 mm; 3-6 layers of slurry are paved.
Further, the curing time in the step (6) is 24 hours, the humidity of the curing chamber reaches 30-70 ℃, and the temperature is 15-30 ℃.
Further, the blank plate obtained in the step (7) is polished, placed for 3 days and then processed and cut.
Compared with the prior art, the mineral polyester film composite building material plate has the following advantages:
(1) the mineral polyester film composite building material plate disclosed by the invention utilizes heat energy generated by mineral synthesis in the slurry production process, and the polyester films are adhered to the surface and the bottom of the base material, so that the mineral polyester film composite building material plate can be directly adhered to the base material without using an adhesive, and the toxin risk caused by using a chemical adhesive is avoided. And the raw material of the board is a non-toxic mineral material synthetic product, so that the board is green and environment-friendly.
(2) The mineral polyester film composite building material plate adopts magnesium oxide, silicon powder, glass fiber mesh cloth and polyester film which are all non-combustible and flame-retardant materials, and the density of the composite building material plate after compounding can reach 1400g/m3And the upper and lower two-layer polyester film of panel can improve thermal-insulated more, reduces coefficient of thermal conductivity. Tests show that the heat insulation effect is good, the indoor and outdoor temperature difference is 5 degrees, and the heat insulation and energy conservation are realized.
(3) The mineral polyester film composite building material plate can be directly produced into a finished product in one step according to required colors and patterns, and does not need secondary processing except cutting and finishing; and the use of paint is reduced and the labor is saved.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail with reference to examples.
Example 1
The mineral polyester film composite building material plate is prepared from the following raw materials in parts by weight:
the standard magnesium content of the magnesium oxide is 80-86%, the activity is 63-65%, the caustic soda content is 6-8%, and the powder fineness is 200 meshes.
The concentration of the magnesium chloride solution is 24-29 baume degrees.
The wood flour is sieved by a 1.5-3 mm-hole sieve, and the rice hulls are sieved by a 1.5-3 mm-hole sieve.
The thickness of the polyester film is 1 mm.
The glass fiber mesh cloth comprises: the weft yarn No. 375 and the warp yarn No. 134 are alkali-resistant coating layers made of acrylic emulsion, the coating amount is not less than 20%, the weft tension is 1550N, and the warp tension is 1700N.
Example 2
The mineral polyester film composite building material plate is prepared from the following raw materials in parts by weight:
the standard magnesium content of the magnesium oxide is 80-86%, the activity is 63-65%, the caustic soda content is 6-8%, and the powder fineness is 200 meshes.
The concentration of the magnesium chloride solution is 24-29 baume degrees.
The wood flour is sieved by a 1.5-3 mm-hole sieve, and the rice hulls are sieved by a 1.5-3 mm-hole sieve.
The thickness of the polyester film is 1 mm.
The glass fiber mesh cloth comprises: the weft yarn No. 375 and the warp yarn No. 134 are alkali-resistant coating layers made of acrylic emulsion, the coating amount is not less than 20%, the weft tension is 1550N, and the warp tension is 1700N.
Example 3
The mineral polyester film composite building material plate is prepared from the following raw materials in parts by weight:
the standard magnesium content of the magnesium oxide is 80-86%, the activity is 63-65%, the caustic soda content is 6-8%, and the powder fineness is 200 meshes.
The concentration of the magnesium chloride solution is 24-29 baume degrees.
The wood flour is sieved by a 1.5-3 mm-hole sieve, and the rice hulls are sieved by a 1.5-3 mm-hole sieve.
The thickness of the polyester film is 1 mm.
The glass fiber mesh cloth comprises: the weft yarn No. 375 and the warp yarn No. 134 are alkali-resistant coating layers made of acrylic emulsion, the coating amount is not less than 20%, the weft tension is 1550N, and the warp tension is 1700N.
The method of making a mineral polyester film composite building board of examples 1-3, comprising the steps of:
(1) adding magnesium oxide into the magnesium chloride solution and stirring;
wherein, the magnesium chloride solution is prepared by dissolving magnesium chloride powder in water;
(2) continuously adding the fly ash, the rice hulls and the wood powder into the mixture obtained in the step (1), and stirring for 3-5 minutes;
(3) continuously adding phosphoric acid, citric acid and silicon powder into the mixture obtained in the step (2), and uniformly stirring again to obtain a slurry mixture;
(4) laying the mold horizontally, laying a polyester film layer on the bottom of the mold, and pouring the slurry mixture obtained in the step (3) onto the polyester film in the mold to form a slurry layer; then laying a layer of glass fiber mesh cloth on the slurry layer, and then continuously pouring the slurry mixture on the glass fiber mesh cloth to form a layered structure of a layer of fiber mesh cloth and a layer of slurry layer, wherein the laying thickness of the slurry is 2.5 mm; finally, a polyester film is laid on the slurry layer on the uppermost layer to obtain a plate prototype; 3 layers of slurry are paved;
(5) extruding the plate blank obtained in the step (4) through a machine press roller to obtain a formed wet blank plate with the thickness of about 10 mm;
(6) putting the wet blank plate obtained in the step (5) on a maintenance frame vehicle, and conveying the wet blank plate into a maintenance room for maintenance for 24 hours, wherein the humidity of the maintenance room reaches 30-70 ℃, and the temperature of the maintenance room reaches 15-30 ℃;
(7) and taking out the maintained blank plate, cutting burrs by an edge trimmer, sanding and polishing, standing for 3 days, and cutting to the required size.
Wherein, the preparation of magnesium chloride solution (brine):
the concentration of magnesium chloride solution (brine) can be in the range of 25-35% (at room temperature, the solubility of magnesium chloride is about55 g, at a concentration of about 35%, above which hot water is required, otherwise it is not easy to formulate), often MgCl2The concentration of the solution is 22-30%, and the higher concentration is adopted, so that the water-cement ratio of the mixture can be reduced, and the performance of various aspects of the product can be improved. When the water ash is low, care should be taken to prevent water shortage.
Test and test:
1. adhesion test
Example set: the mineral polyester film composite building board made in examples 1-3 was cut into small 20X 10mm plates, and 3 pieces were taken for each example.
Control group:
a common adhesive composite board with the thickness of about 10mm is taken and cut into 3 small plates with the size of 20 multiplied by 10 mm.
The panels of the example group and the control group were soaked in the same pot of water for 5 months and observed.
Table 1 adhesion test of plates of examples and control
2. Thermal insulation test
Example set: the sheets of examples 1-3 were each taken and cut to 29mm by 26.5 mm.
Control group: the zinc-iron tile with the thickness of about 10mm is cut into the size of 29mm multiplied by 26.5 mm.
The plates of the example group and the control group were placed in 4 test boxes respectively, so that the plates divided the boxes into upper and lower parts, 1 × 40W heat lamps were placed in the upper part of the boxes, heat-sensitive temperature probes were placed in the upper and lower spaces, when the lamps were not turned on, the upper and lower parts of the box were 18.2 degrees in temperature detection display, and the temperature change was recorded at intervals after the lamps were turned on, as shown in table 2.
Table 2 thermal insulation testing of panels of examples and control
From the heat insulation test, it can be found that the difference in the upper and lower heat insulation temperature of the boards prepared in examples 1 to 3 is not less than 5 degrees.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A mineral polyester film composite building material plate is characterized in that: the compound is prepared from the following raw materials in parts by weight:
2. the mineral polyester film composite building board of claim 1, wherein: the compound is prepared from the following raw materials in parts by weight:
3. the mineral polyester film composite building board of claim 1 or 2, wherein: the standard magnesium content of the magnesium oxide is 80-86%, the activity is 63-65%, the caustic soda content is 6-8%, and the powder fineness is 200 meshes.
4. The mineral polyester film composite building board of claim 1 or 2, wherein: the concentration of the magnesium chloride solution is 24-29 baume degrees.
5. The mineral polyester film composite building board of claim 1 or 2, wherein: the wood flour is sieved by a 1.5-3 mm-hole sieve, and the rice hulls are sieved by a 1.5-3 mm-hole sieve.
6. The mineral polyester film composite building board of claim 1 or 2, wherein: the thickness of the polyester film is 0.3-2 mm.
7. A process for the production of a mineral polyester film composite building board according to any one of claims 1 to 6, wherein: the method comprises the following steps:
(1) adding magnesium oxide into the magnesium chloride solution and stirring;
(2) continuously adding the fly ash, the rice hulls and the wood powder into the mixture obtained in the step (1), and stirring for 3-5 minutes;
(3) continuously adding phosphoric acid, citric acid and silicon powder into the mixture obtained in the step (2), and uniformly stirring again to obtain a slurry mixture;
(4) laying the mold horizontally, laying a polyester film layer on the bottom of the mold, and pouring the slurry mixture obtained in the step (3) onto the polyester film in the mold to form a slurry layer; then laying a layer of glass fiber mesh cloth on the slurry layer, and then continuously pouring the slurry mixture on the glass fiber mesh cloth, thus forming a layered structure of a layer of fiber mesh cloth and a layer of slurry layer; finally, a polyester film is laid on the slurry layer on the uppermost layer to obtain a plate prototype;
(5) extruding the plate blank obtained in the step (4) through a machine press roller to obtain a formed wet blank plate;
(6) putting the wet blank plate obtained in the step (5) on a maintenance frame vehicle, and conveying the wet blank plate into a maintenance room for maintenance;
(7) taking out the maintained blank plate, cutting off burrs by an edge trimmer, sanding, polishing and cutting.
8. The method of making a mineral polyester film composite building board of claim 7, wherein: the paving thickness of the slurry in the step (4) is 2.5-2.9 mm; 3-6 layers of slurry are paved.
9. The method of making a mineral polyester film composite building board of claim 7, wherein: the curing time of the step (6) is 24 hours, the humidity of the curing room reaches 30-70 ℃, and the temperature is 15-30 ℃.
10. The method of making a mineral polyester film composite building board of claim 7, wherein: and (5) polishing the blank plate in the step (7), standing for 3 days, and then processing and cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911075137.2A CN110655380A (en) | 2019-11-06 | 2019-11-06 | Mineral polyester film composite building material plate and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911075137.2A CN110655380A (en) | 2019-11-06 | 2019-11-06 | Mineral polyester film composite building material plate and preparation method thereof |
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| CN110655380A true CN110655380A (en) | 2020-01-07 |
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| CN201911075137.2A Pending CN110655380A (en) | 2019-11-06 | 2019-11-06 | Mineral polyester film composite building material plate and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078449A (en) * | 1993-02-26 | 1993-11-17 | 朝阳市双塔建筑材料厂 | Utilize flyash to make light weight glazed tile production technique and product |
| US20180334880A1 (en) * | 2016-03-08 | 2018-11-22 | Halliburton Energy Services, Inc. | Rapid setting in situ cement plugs |
| CN110078461A (en) * | 2019-03-27 | 2019-08-02 | 浙江卓元建设有限公司 | A kind of water-proof fireproof heat-preserving wall |
-
2019
- 2019-11-06 CN CN201911075137.2A patent/CN110655380A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078449A (en) * | 1993-02-26 | 1993-11-17 | 朝阳市双塔建筑材料厂 | Utilize flyash to make light weight glazed tile production technique and product |
| US20180334880A1 (en) * | 2016-03-08 | 2018-11-22 | Halliburton Energy Services, Inc. | Rapid setting in situ cement plugs |
| CN110078461A (en) * | 2019-03-27 | 2019-08-02 | 浙江卓元建设有限公司 | A kind of water-proof fireproof heat-preserving wall |
Non-Patent Citations (1)
| Title |
|---|
| 戴金辉等: "《无机非金属材料概论》", 31 July 2018, 哈尔滨工业大学出版社 * |
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