CN113929426A - Incombustible high-pressure lamination langrick board - Google Patents
Incombustible high-pressure lamination langrick board Download PDFInfo
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- CN113929426A CN113929426A CN202111157433.4A CN202111157433A CN113929426A CN 113929426 A CN113929426 A CN 113929426A CN 202111157433 A CN202111157433 A CN 202111157433A CN 113929426 A CN113929426 A CN 113929426A
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- 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
-
- 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
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different 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
- B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
-
- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—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
- 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
-
- 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
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- 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
- B32B2307/70—Other properties
- B32B2307/71—Resistive to light or to UV
-
- 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
- C04B2111/00025—Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
-
- 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
-
- 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
-
- 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
- E04F2290/045—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against fire
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of building materials, in particular to a non-combustible high-pressure laminated Lenz board. The interface bonding force between the organic facing material and the inorganic fireproof plate is poor, and the organic facing material is very easy to fall off from the surface of the inorganic fireproof plate in the using process. Based on the problems, the invention provides the incombustible high-pressure laminated langerk board, and the self-made melamine synthetic resin is added into the colloidal slurry for impregnation, so that the interface bonding force between the organic facing material and the inorganic fireproof board is effectively improved.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a non-combustible high-pressure laminated Lenz board.
Background
At present, most of indoor and outdoor decorative wallboards, floors and ceiling veneers are made of wood artificial boards, the requirements of A-level non-combustible fire resistance cannot be met, the highest combustion level of B1 can be met, and great troubles are brought to space safety.
The silicate high-pressure cement board or the glass magnesium board has better flame retardant property, and in recent years, the silicate high-pressure cement board or the glass magnesium board is popularized and applied in a large area as an indoor decoration A-grade non-combustible fireproof board. The interface bonding force between the inorganic fireproof board (such as a cement board or a glass magnesium board) and the organic decorative material (such as melamine decorative paper) is poor, in the using process, in order to ensure that the interface bonding between the organic decorative material and the inorganic fireproof board is firm, the common method is to adopt silane coupling agent to perform permeation treatment on the inorganic fireproof board, and then compound the inorganic fireproof board modified by the coupling agent and the organic decorative material through high-temperature hot pressing, the process is not only complicated, but also the silane coupling agent is easy to absorb moisture and hydrolyze, so that the decorative paper is easy to crack and fall off.
In conclusion, how to solve the problem of poor interface bonding force between the organic facing material and the inorganic fireproof plate is a matter which needs to be solved in the field of indoor and outdoor decorative wall boards.
Disclosure of Invention
Aiming at the problems in the prior art, the technical problems to be solved by the invention are as follows: the interface bonding force between the organic facing material and the inorganic fireproof plate is poor, the silane coupling agent is adopted to perform permeation treatment on the inorganic fireproof plate and then is compounded with the organic facing paper, the process is complex, and the silane coupling agent is easy to absorb moisture and hydrolyze, so that the facing paper is easy to crack and fall off.
The organic facing material is very easily peeled off from the surface of the inorganic fire-retardant panel.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention provides a non-combustible high-pressure lamination langrick board which is formed by compounding a dehydrated prepreg, melamine decorative paper and a scratch-resistant anti-ultraviolet film;
the dehydrated prepreg is formed by soaking a wet-process glass fiber mat in colloidal slurry, extruding and baking;
the colloid slurry comprises the following components in parts by weight:
specifically, the particle size of the vermiculite powder is 150-200 meshes.
Specifically, the particle size of the active magnesium oxide is 300-400 meshes.
Specifically, the magnesium sulfate is prepared by a bitter halogen method.
Specifically, the particle size of the nano calcium silicate is 55nm-80 nm.
Specifically, the density of the wet-process glass fiber mat is 45-65g/cm3。
Specifically, the melamine synthetic resin comprises the following components in parts by weight:
specifically, the melamine synthetic resin is prepared according to the following steps:
according to the formula amount, firstly putting melamine formaldehyde resin and waterborne polyurethane into a reaction kettle, uniformly stirring, then adding waterborne polyvinyl alcohol resin, adding the waterborne polyvinyl alcohol resin at the adding speed of 30-45min per kilogram, after the waterborne polyvinyl alcohol resin is completely added, raising the temperature in the reaction kettle to 80-90 ℃, sealing for reaction for 3-4h, after the reaction is completed, cooling the temperature of the reaction kettle to 35-45 ℃, and standing for 1-2h to obtain the melamine synthetic resin.
Specifically, the mass percentage of formaldehyde in the formaldehyde aqueous solution is 30-40%.
Specifically, the incombustible high-pressure laminated langerk board is prepared according to the following steps:
(1) according to the formula amount, magnesium sulfate is dissolved in warm water at the temperature of 40-70 ℃, and the baume degree of the dissolved water solution is ensured to be 28-30 DEG Be, so that a magnesium sulfate solution is obtained;
(2) adding the active magnesium oxide with the formula amount into the magnesium sulfate solution in the step (1), stirring at a high speed for 5min, then sequentially adding the vermiculite powder, the nano calcium silicate, the sodium methyl silicate and the phosphorus-nitrogen halogen-free flame retardant with the formula amount, and then stirring at a high speed for 20min to obtain mixed slurry;
(3) ensuring the temperature of the mixed slurry to be 30-50 ℃, adding melamine synthetic resin, and stirring at a high speed for 10min to obtain colloidal slurry;
(4) putting the colloidal slurry into a glue pool, putting the wet-process glass fiber mat on a winding frame, drawing the wet-process glass fiber mat through the glue pool at a drawing speed of 15-22m/min to enable the colloidal slurry to completely soak the wet-process glass fiber mat, then extruding the wet-process glass fiber mat by a pair of rollers to enable the gluing amount of the wet-process glass fiber mat to be 45-60%, finally baking the extruded wet-process glass fiber mat at the temperature of 110-;
(5) stacking the scratch-resistant and ultraviolet-resistant film, the melamine decorative paper, the dehydrated prepreg, the melamine decorative paper, the scratch-resistant and ultraviolet-resistant film from bottom to top in order;
(6) delivering the stacked composite materials into a hot press for high-temperature and high-pressure compounding for 3500s, hot pressing at 90-100 ℃ for 1-500s, hot pressing at 155-165 ℃ for 501-3000s, and hot pressing at 30-70 ℃ for 3001-3500 s; the hot pressing pressure is 18-20kgf/cm within 1-500s2(ii) a The hot pressing pressure in 501-3500s is 38-42kgf/cm2And after the hot pressing is finished, obtaining the incombustible high-pressure laminated langrick board with flame retardant property.
The invention has the beneficial effects that:
(1) in order to achieve A-level non-combustibility of the interior decoration fireproof board, the conventional method is to perform permeation treatment on inorganic boards such as a cement board or a glass magnesium board and the like by adopting a silane coupling agent, and then perform high-temperature hot-pressing compounding on the inorganic boards and organic facing paper, so that the process is complicated, the silane coupling agent is easy to absorb moisture and hydrolyze, and the facing paper is easy to crack and fall off; based on the problems, the organic-inorganic composite dehydration prepreg is obtained by a special process, the A-level fire-proof grade of the obtained decorative board is not reduced, the obtained dehydration prepreg and organic decorative paper (melamine decorative paper) have good interface bonding force, the integrated molding can be directly compounded by hot pressing, the permeation treatment of a silane coupling agent is not needed, the production process is greatly simplified, the time is saved, and the problems of cracking and falling of the decorative paper caused by moisture absorption and hydrolysis of the silane coupling agent are effectively solved;
(2) the thickness of the dehydrated prepreg obtained by the invention can be as thin as 1mm, and the incombustible high-pressure laminated Lenzi board with different thicknesses can be obtained by orderly stacking a plurality of dehydrated prepregs according to specific requirements and performing hot-pressing compounding.
Detailed Description
The present invention will now be described in further detail with reference to examples.
The phosphorus-nitrogen halogen-free flame retardant used in the following examples of the present invention is claine Exolit AP 422.
The particle size of the vermiculite powder used in the following examples of the present invention is 150 mesh to 200 mesh.
The particle size of the active magnesium oxide used in the following examples of the present invention is 300 mesh to 400 mesh.
The magnesium sulfate used in the following examples of the present invention is magnesium sulfate prepared by the bitter halogen process.
The particle size of the nano-calcium silicate used in the following examples of the present invention is 55nm to 80 nm.
The wet laid glass fiber mats used in the following examples of the invention had densities of 45-65g/cm3。
The melamine synthetic resin adopted in the following examples of the invention comprises the following components in parts by weight:
the melamine synthetic resin used in the following examples of the present invention was prepared according to the following steps:
according to the formula amount, firstly putting melamine formaldehyde resin and waterborne polyurethane into a reaction kettle, uniformly stirring, then adding waterborne polyvinyl alcohol resin, adding the waterborne polyvinyl alcohol resin at the adding speed of 30-45min per kilogram, after the waterborne polyvinyl alcohol resin is completely added, raising the temperature in the reaction kettle to 80-90 ℃, sealing for reaction for 3-4h, after the reaction is completed, cooling the temperature of the reaction kettle to 35-45 ℃, and standing for 1-2h to obtain the melamine synthetic resin.
The mass percentage of formaldehyde in the formaldehyde aqueous solution adopted in the following examples of the invention is 30-40%.
The aqueous polyurethane used in the following examples of the invention is of Wanhua chemistry
8310。
The aqueous polyvinyl alcohol resin used in the following examples of the present invention was Coly PVA-105.
The incombustible high-pressure laminated langerk board in the following embodiments of the invention is prepared according to the following steps:
(1) according to the formula amount, magnesium sulfate is dissolved in warm water at the temperature of 40-70 ℃, and the baume degree of the dissolved water solution is ensured to be 28-30 DEG Be, so that a magnesium sulfate solution is obtained;
(2) adding the active magnesium oxide with the formula amount into the magnesium sulfate solution in the step (1), stirring at a high speed for 5min, then sequentially adding the vermiculite powder, the nano calcium silicate, the sodium methyl silicate and the phosphorus-nitrogen halogen-free flame retardant with the formula amount, and then stirring at a high speed for 20min to obtain mixed slurry;
(3) ensuring the temperature of the mixed slurry to be 30-50 ℃, adding melamine synthetic resin, and stirring at a high speed for 10min to obtain colloidal slurry;
(4) putting the colloidal slurry into a glue pool, putting the wet-process glass fiber mat on a winding frame, drawing the wet-process glass fiber mat through the glue pool at a drawing speed of 15-22m/min to enable the colloidal slurry to completely soak the wet-process glass fiber mat, then extruding the wet-process glass fiber mat by a pair of rollers to enable the gluing amount of the wet-process glass fiber mat to be 45-60%, finally baking the extruded wet-process glass fiber mat at the temperature of 110-;
(5) stacking the scratch-resistant and ultraviolet-resistant film, the melamine decorative paper, the dehydrated prepreg, the melamine decorative paper, the scratch-resistant and ultraviolet-resistant film from bottom to top in order;
(6) delivering the stacked composite materials into a hot press for high-temperature and high-pressure compounding for 3500s, hot pressing at 90-100 ℃ for 1-500s, hot pressing at 155-165 ℃ for 501-3000s, and hot pressing at 30-70 ℃ for 3001-3500 s; the hot pressing pressure is 18-20kgf/cm within 1-500s2(ii) a The hot pressing pressure in 501-3500s is 38-42kgf/cm2And after the hot pressing is finished, obtaining the incombustible high-pressure laminated langrick board with flame retardant property.
Example 1
The colloid sizing agent in the incombustible high-pressure laminated langek plate comprises the following components in parts by weight:
example 2
The colloid sizing agent in the incombustible high-pressure laminated langek plate comprises the following components in parts by weight:
example 3
The colloid sizing agent in the incombustible high-pressure laminated langek plate comprises the following components in parts by weight:
example 4
The colloid sizing agent in the incombustible high-pressure laminated langek plate comprises the following components in parts by weight:
example 5
The colloid sizing agent in the incombustible high-pressure laminated langek plate comprises the following components in parts by weight:
comparative example 1 is the same as example 1 except that a melamine formaldehyde resin is used instead of the melamine synthetic resin in the colloidal slurry of comparative example 1.
Comparative example 2 the same as example 1 except that sodium methyl silicate was not added to the colloidal slurry of comparative example 2.
Comparative example 3 the same as example 1 except that comparative example 3 does not add the aqueous polyvinyl alcohol resin during the preparation of the melamine synthetic resin.
Comparative example 4 the same as example 1 except that comparative example 4 does not add the aqueous polyurethane during the preparation of the melamine synthetic resin.
Comparative example 5 the same as example 1 except that comparative example 5 used the aqueous polyvinyl alcohol resin in the preparation of the melamine synthetic resin was clony PVA-124.
Comparative example 6 the same as example 1 except that the aqueous polyurethane used in the preparation of the melamine synthetic resin in comparative example 6 was Wanhua chemical WANLIUMTMTM C8310。
And (3) performance testing:
the incombustible high-pressure laminate langerk sheets obtained in examples 1 to 5 and comparative examples 1 to 4 were subjected to the relevant performance tests:
the flame resistance of the non-combustible high-pressure laminate langerk panel is tested according to standard GB 8624-2012.
The water absorption thickness expansion rate of the non-combustible high-pressure lamination Langerhans plate is tested according to the standard GB/11718-2009T.
The interfacial bonding force between the dehydrated prepreg and the melamine facing paper is tested according to GB/T1502-2017.
The specific test results are shown in table 1:
TABLE 1
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The incombustible high-pressure laminated Lenz board is characterized by being formed by compounding a dehydrated prepreg and melamine decorative paper and/or a scratch-resistant anti-ultraviolet film;
the dehydrated prepreg is formed by soaking a wet-process glass fiber mat in colloidal slurry, extruding and baking;
the colloid slurry comprises the following components in parts by weight:
2. the incombustible high-pressure laminated langerk board according to claim 1, wherein the particle size of the vermiculite powder is 150 to 200 mesh.
3. The incombustible high-pressure laminated lange board according to claim 1, wherein the particle size of the activated magnesium oxide is 300-400 mesh.
4. The incombustible high-pressure laminated lange board according to claim 1, characterized in that the magnesium sulfate is magnesium sulfate produced by a bitter halogen process.
5. The incombustible high-pressure laminated langeke board according to claim 1, wherein the nano-sized calcium silicate has a particle size of 55nm to 80 nm.
6. The incombustible high-pressure laminated lange board according to claim 1, wherein the wet-process glass fiber mat has a density of 45 to 65g/cm3。
7. The incombustible high-pressure laminated langer board according to claim 1, characterized in that the melamine synthetic resin comprises, in parts by weight:
8. the incombustible high-pressure laminated langer board according to claim 7, characterized in that the melamine synthetic resin is produced by the following steps:
according to the formula amount, firstly putting melamine formaldehyde resin and waterborne polyurethane into a reaction kettle, uniformly stirring, then adding waterborne polyvinyl alcohol resin, adding the waterborne polyvinyl alcohol resin at the adding speed of 30-45min per kilogram, after the waterborne polyvinyl alcohol resin is completely added, raising the temperature in the reaction kettle to 80-90 ℃, sealing for reaction for 3-4h, after the reaction is completed, cooling the temperature of the reaction kettle to 35-45 ℃, and standing for 1-2h to obtain the melamine synthetic resin.
9. An incombustible high-pressure laminated lange board according to any one of claims 1 to 8, characterized in that it is produced by the following steps:
(1) according to the formula amount, magnesium sulfate is dissolved in warm water at the temperature of 40-70 ℃, and the baume degree of the dissolved water solution is ensured to be 28-30 DEG Be, so that a magnesium sulfate solution is obtained;
(2) adding the active magnesium oxide with the formula amount into the magnesium sulfate solution in the step (1), stirring at a high speed for 5min, then sequentially adding the vermiculite powder, the nano calcium silicate, the sodium methyl silicate and the phosphorus-nitrogen halogen-free flame retardant with the formula amount, and then stirring at a high speed for 20min to obtain mixed slurry;
(3) ensuring the temperature of the mixed slurry to be 30-50 ℃, adding melamine synthetic resin, and stirring at a high speed for 10min to obtain colloidal slurry;
(4) putting the colloidal slurry into a glue pool, putting the wet-process glass fiber mat on a winding frame, drawing the wet-process glass fiber mat through the glue pool at a drawing speed of 15-22m/min to enable the colloidal slurry to completely soak the wet-process glass fiber mat, then extruding the wet-process glass fiber mat by a pair of rollers to enable the gluing amount of the wet-process glass fiber mat to be 45-60%, finally baking the extruded wet-process glass fiber mat at the temperature of 110-;
(5) stacking the scratch-resistant and ultraviolet-resistant film, the melamine decorative paper, the dehydrated prepreg, the melamine decorative paper, the scratch-resistant and ultraviolet-resistant film from bottom to top in order;
(6) delivering the stacked composite materials into a hot press for high-temperature and high-pressure compounding for 3500s, hot pressing at 90-100 ℃ for 1-500s, hot pressing at 155-165 ℃ for 501-3000s, and hot pressing at 30-70 ℃ for 3001-3500 s; the hot pressing pressure is 18-20kgf/cm within 1-500s2(ii) a The hot pressing pressure in 501-3500s is 38-42kgf/cm2And after the hot pressing is finished, obtaining the incombustible high-pressure laminated langrick board with flame retardant property.
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| CN202111157433.4A CN113929426B (en) | 2021-09-30 | 2021-09-30 | Incombustible high-pressure laminated plate |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN113290986A (en) * | 2021-04-27 | 2021-08-24 | 常州中复丽宝第复合材料有限公司 | Water-based aldehyde-free fireproof antibacterial special functional sheet material and preparation method thereof |
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| JPH09277376A (en) * | 1996-04-15 | 1997-10-28 | Daiken Trade & Ind Co Ltd | Method for manufacturing intermediate density wood fiberboard surface decorating form |
| CN101992653A (en) * | 2009-08-13 | 2011-03-30 | 沁阳永威装饰材料有限公司 | Fireproof decorative sheet and manufacturing method thereof |
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| CN105130350A (en) * | 2015-08-13 | 2015-12-09 | 惠州美森板业有限公司 | Novel inorganic decoration base material plate and preparation method thereof |
| CN106968413A (en) * | 2017-04-23 | 2017-07-21 | 扬州市康宇实业有限公司 | A kind of brilliant porcelain decorative integrated plate of magnesium-based |
| CN112140679A (en) * | 2020-09-08 | 2020-12-29 | 江苏博大新材料科技股份有限公司 | High-impact-resistance type A-level non-combustible high-pressure decorative plate and preparation method thereof |
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