CN112553777A - Clean water template surface layer composite structure and preparation process thereof - Google Patents
Clean water template surface layer composite structure and preparation process thereof Download PDFInfo
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- CN112553777A CN112553777A CN202011408153.1A CN202011408153A CN112553777A CN 112553777 A CN112553777 A CN 112553777A CN 202011408153 A CN202011408153 A CN 202011408153A CN 112553777 A CN112553777 A CN 112553777A
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Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4218—Glass fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/121—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyesters, polycarbonates, alkyds
- D06N3/123—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyesters, polycarbonates, alkyds with polyesters
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Laminated Bodies (AREA)
Abstract
The application relates to a clear water template surface layer composite structure and a preparation process thereof, which comprises the following steps: leveling the layer and the clear water layer; the flat layer comprises a sheet material and a non-woven fabric, the sheet material and the non-woven fabric are laid and fixed at different angles and in different sequences to form the flat layer, the sheet material is made of a corrosion-resistant material, and one end of the flat layer, far away from the core plate, is connected with a clear water layer; the clear water layer with the core board was kept away from to the tiling layer one end fixed connection, the clear water layer is convenient for the drawing of patterns makes the concrete reach the mirror surface effect. This application has the compound stability and the intensity on tiling layer that has improved, and has improved the effect of the corrosion resistance on tiling layer through non-woven fabrics and the flaky material hot pressing fusion that has corrosion resistance.
Description
Technical Field
The application relates to the field of building templates, in particular to a surface layer composite structure of a clear water template and a preparation process thereof.
Background
The clear water template is an auxiliary material for concrete engineering construction, and is mainly applied to building of concrete wall, column, plate, beam and other structural construction formwork systems in house building, municipal engineering, water conservancy and hydropower and other engineering.
The related metal clear water template is usually an aluminum alloy template, and a mirror surface in contact with concrete is usually obtained by a machining mode; because the requirement of the surface clear water effect on the finish degree of the metal surface is very high, the metal processing is time-consuming and labor-consuming, and the cost is higher; the existing aluminum die and steel die have high requirement on processing precision, and the surface corrosion change caused by the long-term use of the existing aluminum die and steel die is easy to react with concrete, so that the mirror surface effect cannot be achieved. The cost is saved to more considerations of traditional bamboo mould, wooden pattern, can paste a layer of thin pet membrane in the superficial layer, use one to twice and probably go back, but use more easily damaged, lead to the template to absorb water inflation deformation, fracture. Although the plastic formwork can achieve the effect of fair-faced concrete, the application degree is not high all the time due to high cost.
In view of the above-mentioned related art, the inventors consider that the composite layer has a defect of poor corrosion resistance and strength.
Disclosure of Invention
In order to improve the corrosion resistance and strength of the composite layer, the application provides a composite structure of a surface layer of a bare template and a preparation process thereof.
In a first aspect, the application provides a clear water template surface layer composite structure, which adopts the following technical scheme:
a drywall composite structure for finishing forms, comprising:
the core board comprises a core board and a flat layer, wherein the core board is arranged on the core board, and the core board is arranged on the core board;
and the clear water layer is fixedly connected with one end, far away from the core plate, of the flat laying layer and is used for demoulding the template.
Through adopting above-mentioned technical scheme, with the fixed shop layer that makes of slice material and non-woven fabrics tiling, fixed clear water layer on the lateral wall on shop layer, the preparation of the composite construction of completion clear water template, it is fixed through laying of slice material and non-woven fabrics, it is fixed with slice material and non-woven fabrics complex, the compound stability and the rigidity on shop layer that have improved, and through non-woven fabrics and the slice material hot pressing fusion that has corrosion resistance improved the corrosion resistance on shop layer, and reduced composite construction's manufacturing cost.
Optionally, the sheet material includes a glass fiber and a polypropylene layer, and the glass fiber and the polypropylene layer are compounded to form the sheet material.
By adopting the technical scheme, the glass fiber is twisted and woven into the sheet material, the glass fiber is an inorganic non-metallic material with excellent performance, and the sheet material has the advantages of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength. The fiber is made by using glass balls or waste glass as raw materials and carrying out processes such as high-temperature melting, wire drawing, winding, weaving and the like, wherein the diameter of each monofilament ranges from several micrometers to twenty micrometers, the monofilament is equivalent to 1/20-1/5 of one hair strand, and each fiber strand consists of hundreds of monofilaments or even thousands of monofilaments; glass fibers are generally used as reinforcing materials in composite materials, electrical insulating materials, thermal insulating materials, circuit substrates and other various fields of national economy; when the glass fiber is used as a reinforcing material of reinforced plastics, the glass fiber has the greatest characteristic of high tensile strength; the tensile strength is 6.3-6.9 g/d in the standard state and 5.4-5.8 g/d in the wet state. Density 2.54g/cm 3; the heat resistance is good, and the strength is not influenced when the temperature reaches 300 ℃; the glass fiber composite material has excellent electrical insulation property, is a high-grade electrical insulation material, is also used for a heat insulation material and a fireproof shielding material, and combines the advantages of glass fiber materials by preparing sheet materials from glass fibers.
Optionally, the outer wall of the glass fiber is wrapped by a polypropylene layer, and the sheet material is formed by mixing, twisting and weaving the glass fiber and the polypropylene layer.
By adopting the technical scheme, the glass fiber is impregnated in the polypropylene before weaving, and the polypropylene also comprises a copolymer of propylene and a small amount of ethylene. Usually a translucent colorless solid, odorless and non-toxic. The melting point can reach 167 ℃ because the structure is regular and highly crystallized; almost resists various acid, alkali and salt corrosion, does not generate stress corrosion, galvanic corrosion and other electrochemical corrosion, is heat-resistant and corrosion-resistant, and has the outstanding advantage that the product can be sterilized by steam; the density is low, the plastic is the lightest general plastic, and the physical property and the chemical property of the sheet material are more excellent through the fusion of the polypropylene and the glass fiber.
Optionally, the sheet material is formed by twisting the glass fiber and the polypropylene layer again, and the polypropylene layer is wound on the outer wall of the glass fiber by taking the glass fiber as a core yarn.
By adopting the technical scheme, the sheet material is prepared from the glass fibers through fancy double twisting, so that the sheet material is higher in hardness and stability, and the prepared cost is more consistent with the production requirement.
Optionally, the sheet material is formed by overlapping and flatly paving the glass fibers and the polypropylene layers in a staggered manner.
By adopting the technical scheme, the sheet material is prepared by tiling and gluing the glass fiber and the polypropylene layer, the operation is simplified in the preparation process, the operation of workers is simple, and the production efficiency is improved.
Optionally, the sheet material and the nonwoven are laid at an angle (0 ° and 90 ° or +/-45 °) and in an alternating order.
By adopting the technical scheme, the sheet material and the non-woven fabric are vertically staggered or obliquely staggered and stacked at an angle of (0 degrees and 90 degrees or +/-45 degrees) and are tiled in different sequences, so that the structure of the tiled layer is more stable, and the template can be reused for more than 20 times.
Optionally, the glass fiber surface is formed by heating, laminating and compounding the flat laying layer.
Through adopting above-mentioned technical scheme, with the fine face of tiling layer heating lamination complex one-tenth, with the abundant hot melt of contact of sheet material and non-woven fabrics compound, reduce the intraformational air of tiling for the inside saturation of tiling layer has improved the stability of tiling layer, and rigidity, and compound through the lamination, makes the smooth fine face of glass of formation in surface of tiling layer more, has improved the drawing of patterns effect of clear water template.
Optionally, the clear water layer is a PET film, and the PET film is coated on one end of the glass fiber surface far away from the core plate.
Through adopting above-mentioned technical scheme, with the PET membrane coating on the lateral wall of the glass fiber face, the PET membrane is the polycondensate of terephthalic acid and ethylene glycol, has good mechanical properties, and impact strength is 3~5 times of other films, and the folding endurance is good, resistant oily, resistant fat, resistant diluted acid, diluted alkali, make the clear water effect of clear water template better through the PET membrane, has improved the life of clear water template.
In a second aspect, the present application provides a preparation process, which adopts the following technical scheme:
a process for preparing, comprising:
s1: impregnating polypropylene and glass fiber as base materials;
s2: weaving a base material mixed by glass fiber and polypropylene into a sheet material;
s3: the sheet material and the non-woven fabric are flatly laid in different angles and different orders to form a flat layer.
By adopting the technical scheme, the glass fiber is impregnated into the polypropylene, the mixed glass fiber is woven into the sheet material, the sheet material and the non-woven fabric are tiled and stacked into a tiled layer in different angles and different sequences in a staggered manner, and the glass fiber layer subjected to double-sided composite special treatment, namely the glass fiber composite polypropylene (PP), is impregnated into the glass fiber and the polypropylene, so that the surface of the template has the characteristics of corrosion resistance, wear resistance and rigidity of the glass fiber and the PP, the demolding effect is good, and the weight of the whole template is reduced.
Optionally, S4, heating and laminating the flat laying layer to prepare a glass fiber surface; s5: and coating the PET film on the side wall of the glass fiber surface far away from the core plate.
Through adopting above-mentioned technical scheme, through with the laminating of tiling layer heating lamination complex, form the fine face of glass with sheet material and non-woven fabrics hot melt complex, improved the stability of tiling layer, it is fixed with the crisscross tiling hot melt of sheet material and non-woven fabrics, improved the rigidity on tiling layer, with the coating of PET membrane on the fine face of glass for the clear water effect of template is better.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the manufacturing method, the sheet material and the non-woven fabric are paved and fixed to form the flat paving layer, the clear water layer is fixed to the side wall of the flat paving layer, the manufacturing of the composite structure of the clear water template is completed, the sheet material and the non-woven fabric are paved and fixed to be compounded and fixed, the compounding stability and rigidity of the flat paving layer are improved, and the non-woven fabric and the corrosion-resistant sheet material are fused in a hot pressing mode, so that the corrosion resistance of the flat paving layer is improved;
2. the sheet material and the non-woven fabric are vertically staggered or obliquely staggered and stacked at an angle of (0 degrees to 90 degrees or +/-45 degrees) and are tiled in different orders, so that the structure of the tiled layer is more stable, and the template can be reused for more than 30 times;
3. the flat laying layer is heated, laminated and compounded into a glass fiber surface, the sheet material and the non-woven fabric are fully contacted, hot-melted and compounded, air in the flat laying layer is reduced, the interior of the flat laying layer is saturated, the strength and the rigidity of the flat laying layer are improved, and the surface of the flat laying layer is smoother to form the glass fiber surface through lamination and compounding.
Drawings
FIG. 1 is a schematic overall structure diagram of a flat layer in the surface layer composite structure of the fair-faced formwork of the embodiment.
FIG. 2 is a schematic cross-sectional view of the flattened layer of FIG. 1.
Fig. 3 is a schematic view of the internal structure of the sheet material of fig. 1.
Fig. 4 is a flowchart of the manufacturing process of this embodiment.
Description of reference numerals: 1. flattening the layer; 11. a sheet material; 111. glass fibers; 112. a polypropylene layer; 12. non-woven fabrics; 2. a clear water layer; 21. a PET film.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
Example 1
Referring to fig. 1 and 2, the surface layer composite structure of the fair-faced formwork comprises a flat laying layer 1 and a fair-faced layer 2, wherein the flat laying layer 1 is formed by mixing and compounding glass fibers 111 and polypropylene, and the compounded flat laying layer 1 is glued, hot-pressed and molded to obtain a glass fiber surface consisting of the flat laying layer 1; the clear water layer 2 can be coated on both sides of the core plate by using a material with clear water effect, and is cured and molded, such as thermoplastic resin, PET, and the like. The clean water layer and the composite tiled layer are fixed into a whole to form a surface layer composite structure, and the surface layer composite structure is smooth and flat on the hot-pressing lower surface of the hot-pressing template and can be applied to a desktop, a board surface and a wall floor.
The application embodiment discloses a clear water template surface layer composite structure, which comprises a flat layer 1 and a clear water layer 2, and is shown in fig. 1 and 2. The flat layer 1 comprises a sheet material 11 and a non-woven fabric 12, the sheet material 11 and the non-woven fabric 12 are paved into the flat layer 1 in different angles, namely the sheet material 11 and the non-woven fabric 12 are vertically staggered and inclined at +/-45 degrees, and the flat layer 1 is laminated and compounded into a glass fiber surface; clear water layer 2 is fixed in the one end that the core was kept away from to the floorcloth 1, and clear water layer 2 adopts 21 layers of PET membrane, bonds PET membrane 21 coating on the lateral wall of floorcloth 1, can the fast demoulding after the concrete has been pour to the template, and can not cause the debris adhesion of template lateral wall.
Referring to fig. 1 and 3, the sheet material 11 is woven by glass fibers 111, the glass fibers 111 are mixed with polypropylene and impregnated before weaving, the glass fibers 111 of the outer wall coated polypropylene layer 112 are woven into the sheet material 11 by alternate winding, and the glass fibers 111, which are specially treated on both sides, are compounded with polypropylene (PP) so that the surface of the template has the characteristics of corrosion resistance, wear resistance and rigidity of the glass fibers 111 and the PP.
The implementation principle of the clear water template surface layer composite structure in the embodiment of the application is as follows: the method comprises the steps of impregnating glass fiber 111 and polypropylene (PP), winding and weaving the impregnated glass fiber and polypropylene (PP) into a sheet material 11, flatly paving the sheet material 11 and non-woven fabric 12 into a flat-paving layer 1 in different angles and different sequences, laminating and compounding the flat-paving layer 1 into a glass fiber surface, and coating a PET (polyethylene terephthalate) film 21 on the side wall of the glass fiber surface so as to complete the processing of a surface layer composite structure of the water template.
Example 2
The difference between the embodiment 2 and the embodiment 1 is that the sheet material 11 and the non-woven fabric 12 are laminated in a cross manner perpendicularly to the length and width directions of the form, the sheet material 1 and the non-woven fabric 12 are glued and hot-pressed into the flat layer 1, and the flat layer 1 and the PET film 21 are fixed to form the surface layer composite structure.
Example 3
The present example 3 is different from example 1 in that the sheet material 11 is formed by double-twisting and knitting the glass fibers 111 and the polypropylene strands, and the knitted sheet material 11 is rubberized and hot-pressed into a sheet shape.
Example 4
The present embodiment 4 is different from embodiment 1 in that the sheet material 11 is formed by laying glass fibers 111 on polypropylene and fusing them, and the laid glass fibers 111 and polypropylene composite layer are hot-pressed to form the sheet material 11.
The embodiment of the application also discloses a preparation process, referring to fig. 4, including:
step 1: performing primary treatment by using polypropylene and glass fiber 111 as base materials;
step 2: mixing the glass fiber 111 and polypropylene to prepare a sheet material 11;
and step 3: the sheet material 11 and the non-woven fabric 12 are tiled in different angles and different sequences to form a flat layer 1;
and 4, step 4: heating the flat laying layer 1, laminating and compounding to prepare a glass fiber surface;
and 5: the PET film 21 is coated on the side wall of the glass fiber surface far away from the core plate.
The polypropylene and the glass fiber 111 are impregnated and woven into the sheet material 11, the advantages of the two materials are combined through the combination of the polypropylene and the glass fiber 111, and the glass fiber 111 layer which is subjected to double-sided composite special treatment, namely the glass fiber 111 and the polypropylene (PP) are subjected to hot pressing (cold in and cold out, and the plate is taken out at 42 ℃): 125 ℃ at 130 ℃, pressure of 6-8MPa (gauge pressure), time: 10min, so that the surface of the template has the characteristics of corrosion resistance, wear resistance and rigidity of the glass fiber 111 and PP; demoulding effect: the polypropylene (PP) has low activity and is not easy to stick, so that the effect of no demoulding is achieved, and the use times are more than 30 times.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a clear water template surface course composite construction which characterized in that:
the method comprises the following steps:
the core board comprises a flat layer (1), wherein the flat layer (1) comprises a sheet material (11) and a non-woven fabric (12), the sheet material (11) and the non-woven fabric (12) are laid and fixed at different angles and in different sequences to form the flat layer (1), the sheet material (11) is made of a corrosion-resistant material, and one end, far away from the core board, of the flat layer (1) is connected with a clear water layer (2);
the core plate is fixedly connected with the leveling layer (1), the core plate is far away from the leveling layer (1), and the water cleaning layer (2) is used for demoulding the template.
2. The drywall composite structure of claim 1, wherein: the sheet material (11) comprises glass fibers (111) and a polypropylene layer (112), and the glass fibers (111) and the polypropylene layer (112) are compounded to form the sheet material (11).
3. The drywall composite structure of claim 2, wherein: the outer wall of the glass fiber (111) is wrapped by a polypropylene layer (112), and the sheet material (11) is formed by mixing, twisting and weaving the glass fiber (111) and the polypropylene layer (112).
4. The drywall composite structure of claim 2, wherein: the sheet material (11) is formed by twisting the glass fiber (111) and the polypropylene layer (112) in a double-twisting mode, and the polypropylene layer (112) is wound on the outer wall of the glass fiber (111) by taking the glass fiber (111) as a core yarn.
5. The drywall composite structure of claim 2, wherein: the sheet material (11) is formed by overlapping and flatly paving the glass fibers (111) and the polypropylene layers (112) in a staggered mode.
6. The drywall composite structure of claim 1, wherein: the sheet-shaped material (11) and the non-woven fabric (12) are laid at an angle of 0 DEG and 90 DEG or +/-45 DEG and are laid in a staggered sequence according to the sheet-shaped material (11) and the non-woven fabric (12).
7. The drywall composite structure of claim 1, wherein: the flat laying layer (1) is laminated and compounded to form a glass fiber surface.
8. The drywall composite structure of claim 7, wherein: clear water layer (2) include PET membrane (21), PET membrane (21) are fixed in the glass fiber face one end of keeping away from the core.
9. A process for the preparation of a composite structure for application to the surface of a formwork according to any one of claims 1 to 8, characterized in that:
s1: dipping the glass fiber (111) in liquid polypropylene so that the polypropylene is hung on the outer surface of the glass fiber (111);
s2: weaving a base material mixed by glass fiber (111) and polypropylene into a sheet material (11);
s3: the sheet material (11) and the non-woven fabric (12) are tiled in different angles and different sequences to form the flat layer (1).
10. A process according to claim 9, wherein: s4, heating the flat laying layer (1) to laminate and compound into a glass fiber surface; s5: and fixing the PET film (21) on the side wall of the glass fiber surface far away from the core plate.
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| CN202011408153.1A CN112553777A (en) | 2020-12-03 | 2020-12-03 | Clean water template surface layer composite structure and preparation process thereof |
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| FR2780420A1 (en) * | 1998-06-25 | 1999-12-31 | Mci Technologies | Method for the fabrication of a fiber glass coating |
| CN101498171A (en) * | 2009-02-24 | 2009-08-05 | 南京工业大学 | High-strength plywood for building template panel |
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