CN112095976A - Fireproof and waterproof biomass floor and preparation method thereof - Google Patents
Fireproof and waterproof biomass floor and preparation method thereof Download PDFInfo
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- CN112095976A CN112095976A CN202010680638.XA CN202010680638A CN112095976A CN 112095976 A CN112095976 A CN 112095976A CN 202010680638 A CN202010680638 A CN 202010680638A CN 112095976 A CN112095976 A CN 112095976A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
- E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
- E04F15/181—Insulating layers integrally formed with the flooring or the flooring elements
-
- 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
-
- 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
Abstract
The invention relates to a fireproof and waterproof biomass floor and a preparation method thereof, belonging to the technical field of artificial floors. The fireproof and waterproof biomass floor comprises a biomass base material, wherein the biomass base material is formed by hot-press molding of the following raw material components in parts by weight: 75-90 parts of wood fiber powder, 10-25 parts of additive and 0-1 part of pigment, wherein the total weight parts is 100 parts; the additive comprises the following components in percentage by weight: 35-50 parts of metal hydroxide, 10-20 parts of non-metal oxide, 5-10 parts of organic acid, 1-5 parts of phosphate, 1-5 parts of sulfate, 3-10 parts of aminosilane and the balance of diisocyanate; the hot-press forming temperature is 165-195 ℃, and the pressure is 10-15 Mpa. The biomass floor can fully inhibit the expansion, bending and warping of the edge joint of the floor under the condition of normal use, and can effectively prolong the service life of the floor.
Description
Technical Field
The invention relates to the technical field of artificial floors, in particular to a fireproof and waterproof biomass floor and a preparation method thereof.
Background
Currently, floors are classified by structure: solid wood floors, laminate wood floors, bamboo and wood floors, anti-corrosion floors, cork floors and the like; the environmental protection grades are classified as follows: e0 grade floor, E1 grade floor, F4 grade floor, JAS star grade standard F4 star floor, and the like. The laminate wood flooring is popular in the market due to its good appearance, wear resistance and stability, and is more and more popular among consumers. The reinforced composite wood floor is made by adding glue, preservative and additive after wood is crushed and hot-pressed, breaks through the original physical structure of wood, overcomes the defect of poor stability of wood, has high strength, uniform specification, high wear-resisting coefficient, good corrosion resistance, moth resistance and decorative effect, and eliminates the problems of scar and color difference on the surface of solid wood. The reinforced composite wood floor does not need to be painted and waxed, has wide application range and easy cleaning, and is a floor material most suitable for the rhythm of modern family life. And the reinforced composite wood floor has high wood utilization rate and is a good environment-friendly material. The evaluation factors influencing the reinforced composite wood floor mainly lie in the indexes of wear resistance, fire resistance, water expansibility and the like. However, in the prior art, although the laminate wood flooring is provided with the moisture-proof surface layer, the holes inside the biomass flooring cause moisture to permeate into the sheet, so that the laminate wood flooring is easy to bend and warp in a humid environment or in the presence of water accumulated in gaps.
Disclosure of Invention
Aiming at the technical problem that the composite floor is easy to bend and warp at the edge of a gap, the invention aims to provide a fireproof and waterproof biomass floor and a preparation method thereof.
The fireproof and waterproof biomass floor comprises a biomass base material, wherein the biomass base material is formed by hot-pressing the following raw material components in parts by weight: 75-90 parts of wood fiber powder, 10-25 parts of additive and 0-1 part of pigment, wherein the total weight parts is 100 parts; wherein, the additive comprises the following components in percentage by weight: 35-50 parts of metal hydroxide, 10-20 parts of non-metallic oxide, 5-10 parts of organic acid, 1-5 parts of phosphate, 1-5 parts of sulfate, 3-10 parts of aminosilane and the balance of diisocyanate, wherein the additive is mixed in wood fiber powder, and the fireproof performance of the product can be greatly improved by synergistic flame retardant action mechanisms such as the dehydroxylation and char formation of Lewis acid and inorganic acid formed by metal elements, the heat absorption and cooling of inert additives, the concentration reduction of combustible gas and the like, so that the fireproof performance of the product can reach A level; the hot-press forming temperature is 165-195 ℃, and the pressure is 10-15 Mpa.
Wherein the diisocyanate is selected from one of Toluene Diisocyanate (TDI), diphenylmethane diisocyanate (MDI) or Hexamethylene Diisocyanate (HDI).
Wherein the metal hydroxide is one or more of magnesium hydroxide, aluminum hydroxide, calcium hydroxide or zinc hydroxide.
Wherein the non-metal oxide is at least one of diboron trioxide or silicon dioxide.
Wherein the organic acid is selected from one or more of acetic acid, tartaric acid, oxalic acid, malic acid, maleic acid, citric acid, ethylene diamine tetraacetic acid and ascorbic acid, and is preferably ethylene diamine tetraacetic acid.
Wherein the phosphate is selected from at least one of trisodium phosphate, calcium phosphate, monocalcium phosphate, magnesium hydrogen phosphate, zinc phosphate, aluminum phosphate or aluminum dihydrogen phosphate.
Wherein, the sulfate is selected from one or more of sodium sulfate, calcium sulfate, aluminum sulfate or magnesium sulfate.
Wherein the aminosilane is selected from gamma-aminopropyltriethoxysilane or N-beta (aminoethyl) -gamma-aminopropyltrimethoxysilane.
The fireproof and waterproof biomass floor further comprises a first balance adhesive layer and a wear-resistant sheet layer, wherein the first balance adhesive layer is positioned above the biomass base material; the second balance glue layer is positioned below the biomass substrate, and the EVA film is positioned below the second balance glue layer.
The second aspect of the invention also relates to a preparation method of the fireproof and waterproof biomass floor. The preparation method comprises the following steps:
(1) mixing and stirring materials: weighing wood fiber powder, an additive and a pigment according to a ratio, dispersing the additive and the pigment in water, uniformly stirring to obtain a water dispersing agent, and uniformly stirring and mixing the water dispersing agent and the wood fiber powder;
(2) paving a mixture: flatly paving the uniformly mixed and stirred material on an aluminum smooth backing plate, wherein the paving thickness of the material is 3-6 cm;
(3) and (3) die pressing: stacking the aluminum smooth base plates mixed with the paving materials, pressurizing, locking and keeping the pressure for placement;
(4) demolding and discharging: after the mould is pressed, releasing pressure and demoulding one by one;
(5) trimming the plate: trimming the demolded plate;
(6) drying the plates: placing the demoulded plate into a drying room, and drying until the water content is 12-16%;
(7) sanding the plate: sanding with fixed thickness by using a sanding belt, wherein the thickness deviation is within +/-0.10 mm;
(8) assembling materials: assembling the biomass substrate, the first balance adhesive layer, the second balance adhesive layer and the melamine sheet layer in sequence;
(9) hot pressing: feeding the assembled assembly into a press, wherein the temperature of the press is set to be 165-195 ℃, the pressure of the press is 10-15 Mpa, and the pressure maintaining time is 35-40 hours;
(10) slitting: cutting the pressed and pasted large plate according to the required specification;
(11) health preserving: standing the cut small pieces;
(12) grooving: the periphery is provided with a lock catch, and the short edge is a direct-shooting lock catch;
(13) the back is pasted with an EVA film.
Compared with the prior art, the fireproof and waterproof biomass floor provided by the invention has the following beneficial effects:
the biomass floor takes the wood fiber powder as the main raw material, and the price is far lower than that of a solid wood floor; and the floor has the advantages of fire resistance and no formaldehyde (zero detection amount) release, the expansion rate of the edge water absorption thickness is low, the expansion, bending and warping of the edge joint of the floor can be fully inhibited under the condition of normal use, and the service life of the floor can be effectively prolonged.
Detailed Description
The fireproof and waterproof biomass floor of the present invention will be further described with reference to specific examples to help those skilled in the art to more fully, accurately and deeply understand the technical solution of the present invention.
The wood fiber powder is modified by adopting an additive which is composed of diisocyanate and amino silane as organic components and inorganic components mainly comprising metal hydroxide, and is subjected to hot press molding under the conditions that the set temperature is 165-195 ℃ and the pressure is 10-15 Mpa. The biomass floor board has the advantages that the biomass floor board is endowed with performances such as fire resistance and water resistance, the expansion rate of the edge water absorption thickness of the biomass floor board is remarkably reduced by selecting components such as metal hydroxide, diisocyanate and aminosilane, the expansion, bending and warping of the edge seams of the floor board can be fully inhibited, the service life of the floor board can be effectively prolonged, the expansion rate of the edge water absorption thickness of the floor board is also obviously influenced by the types of organic acids, and the expansion rate of the edge water absorption thickness of the floor board can be further reduced by selecting the ethylenediaminetetraacetic acid. The biomass floor provided by the invention can inhibit the expansion, bending and warping of the edge joint of the floor, and can effectively prolong the service life of the floor.
Example 1
The preparation method of the floor of the embodiment is as follows:
(1) mixing and stirring materials: weighing 80 parts by weight of poplar powder, and weighing an additive: 8 parts of magnesium hydroxide, 3.2 parts of silicon dioxide, 2.0 parts of tartaric acid, 0.4 part of calcium phosphate, 0.4 part of sodium sulfate, KH-5501.6 parts and 4.4 parts of MDI. Dispersing an additive in water, uniformly stirring to obtain an aqueous dispersing agent, and uniformly stirring and mixing the aqueous dispersing agent and the poplar powder;
(2) paving a mixture: the material after will mixing the material even is flatly spread on the smooth backing plate of aluminium system, backing plate breadth size: 1200mm × 2600mm, pad thickness: 5mm, and the paving thickness of the material is 5 cm;
(3) and (3) die pressing: stacking the aluminum smooth backing plates mixed with the paving materials, stacking the aluminum smooth backing plates by 50 sheets, pressurizing to 25Mpa, locking and keeping the pressure for standing for 3 days;
(4) demolding and discharging: after the mould is pressed, releasing pressure and demoulding one by one;
(5) trimming the plate: trimming the demolded plate;
(6) drying the plates: placing the demoulded plate into a drying room, setting the temperature of the drying room to be 40 ℃, and drying to reach 16% of water content (by using a digital wood measuring instrument);
(7) sanding the plate: sanding with No. 120 abrasive belt to thickness within +/-0.10 mm;
(8) assembling materials: assembling the biomass substrate, the first balance adhesive layer, the second balance adhesive layer and the melamine sheet layer in sequence;
(9) hot pressing: sending the assembled combination into a press, using a 2400t press, 6 hydraulic cylinders, setting the diameter of each cylinder at 420mm, setting the temperature of the press at 180 ℃, setting the pressure of the press at 12Mpa, and keeping the pressure for 36 hours;
(10) slitting: cutting the pressed and pasted large plate according to the required specification;
(11) health preserving: standing the cut small pieces for 3 days;
(12) grooving: the periphery is provided with a lock catch, and the short edge is a direct-shooting lock catch;
(13) the back is pasted with an EVA film.
Example 2
The preparation method of the floor of the embodiment is as follows:
(1) mixing and stirring materials: weighing 80 parts by weight of poplar powder, and weighing an additive: 8 parts of magnesium hydroxide, 3.2 parts of silicon dioxide, 2.0 parts of ethylene diamine tetraacetic acid, 0.4 part of calcium phosphate, 0.4 part of sodium sulfate, KH-5501.6 parts and 4.4 parts of MDI. Dispersing an additive in water, uniformly stirring to obtain an aqueous dispersing agent, and uniformly stirring and mixing the aqueous dispersing agent and the poplar powder;
(2) paving a mixture: the material after will mixing the material even is flatly spread on the smooth backing plate of aluminium system, backing plate breadth size: 1200mm × 2600mm, pad thickness: 5mm, and the paving thickness of the material is 5 cm;
(3) and (3) die pressing: stacking the aluminum smooth backing plates mixed with the paving materials, stacking the aluminum smooth backing plates by 50 sheets, pressurizing to 25Mpa, locking and keeping the pressure for standing for 3 days;
(4) demolding and discharging: after the mould is pressed, releasing pressure and demoulding one by one;
(5) trimming the plate: trimming the demolded plate;
(6) drying the plates: placing the demoulded plate into a drying room, setting the temperature of the drying room to be 40 ℃, and drying to reach 16% of water content (by using a digital wood measuring instrument);
(7) sanding the plate: sanding with No. 120 abrasive belt to thickness within +/-0.10 mm;
(8) assembling materials: assembling the biomass substrate, the first balance adhesive layer, the second balance adhesive layer and the melamine sheet layer in sequence;
(9) hot pressing: sending the assembled combination into a press, using a 2400t press, 6 hydraulic cylinders, setting the diameter of each cylinder at 420mm, setting the temperature of the press at 180 ℃, setting the pressure of the press at 12Mpa, and keeping the pressure for 36 hours;
(10) slitting: cutting the pressed and pasted large plate according to the required specification;
(11) health preserving: standing the cut small pieces for 3 days;
(12) grooving: the periphery is provided with a lock catch, and the short edge is a direct-shooting lock catch;
(13) the back is pasted with an EVA film.
Example 3
The preparation method of the floor of the embodiment is as follows:
(1) mixing and stirring materials: weighing 85 parts of eucalyptus powder by weight, and weighing an additive: 7.5 parts of magnesium hydroxide, 1.8 parts of silicon dioxide, 1.2 parts of ethylene diamine tetraacetic acid, 0.30 part of magnesium phosphate, 0.45 part of calcium sulfate, KH-5500.75 parts of calcium chloride and 3.0 parts of MDI. Dispersing the additive in water, uniformly stirring to obtain a water dispersing agent, and uniformly stirring and mixing the water dispersing agent and the eucalyptus powder;
(2) paving a mixture: the material after will mixing the material even is flatly spread on the smooth backing plate of aluminium system, backing plate breadth size: 1200mm × 2600mm, pad thickness: 5mm, and the paving thickness of the material is 5 cm;
(3) and (3) die pressing: stacking the aluminum smooth backing plates mixed with the paving materials, stacking the aluminum smooth backing plates by 30 sheets, pressurizing to 25Mpa, locking and keeping the pressure for standing for 3 days;
(4) demolding and discharging: after the mould is pressed, releasing pressure and demoulding one by one;
(5) trimming the plate: trimming the demolded plate;
(6) drying the plates: placing the demoulded plate into a drying room, setting the temperature of the drying room to be 40 ℃, and drying to reach 15% of water content (by using a digital wood measuring instrument);
(7) sanding the plate: sanding with No. 120 abrasive belt to thickness within +/-0.10 mm;
(8) assembling materials: assembling the biomass substrate, the first balance adhesive layer, the second balance adhesive layer and the melamine sheet layer in sequence;
(9) hot pressing: sending the assembled combination into a press, using 2400t press, 6 hydraulic cylinders, setting the diameter of each cylinder at 420mm, setting the temperature of the press at 170 ℃, setting the pressure of the press at 15Mpa, and keeping the pressure for 40 hours;
(10) slitting: cutting the pressed and pasted large plate according to the required specification;
(11) health preserving: standing the cut small pieces for 3 days;
(12) grooving: the periphery is provided with a lock catch, and the short edge is a direct-shooting lock catch;
(13) the back is pasted with an EVA film.
Example 4
The preparation method of the floor of the embodiment is as follows:
(1) mixing and stirring materials: weighing 85 parts of eucalyptus powder by weight, and weighing an additive: 7.5 parts of magnesium hydroxide, 1.8 parts of silicon dioxide, 1.2 parts of acetic acid, 0.30 part of magnesium phosphate, 0.45 part of calcium sulfate, KH-5500.75 parts and 3.0 parts of MDI. Dispersing the additive in water, uniformly stirring to obtain a water dispersing agent, and uniformly stirring and mixing the water dispersing agent and the eucalyptus powder;
(2) paving a mixture: the material after will mixing the material even is flatly spread on the smooth backing plate of aluminium system, backing plate breadth size: 1200mm × 2600mm, pad thickness: 5mm, and the paving thickness of the material is 5 cm;
(3) and (3) die pressing: stacking the aluminum smooth backing plates mixed with the paving materials, stacking the aluminum smooth backing plates by 30 sheets, pressurizing to 25Mpa, locking and keeping the pressure for standing for 3 days;
(4) demolding and discharging: after the mould is pressed, releasing pressure and demoulding one by one;
(5) trimming the plate: trimming the demolded plate;
(6) drying the plates: placing the demoulded plate into a drying room, setting the temperature of the drying room to be 40 ℃, and drying to reach 15% of water content (by using a digital wood measuring instrument);
(7) sanding the plate: sanding with No. 120 abrasive belt to thickness within +/-0.10 mm;
(8) assembling materials: assembling the biomass substrate, the first balance adhesive layer, the second balance adhesive layer and the melamine sheet layer in sequence;
(9) hot pressing: sending the assembled combination into a press, using 2400t press, 6 hydraulic cylinders, setting the diameter of each cylinder at 420mm, setting the temperature of the press at 170 ℃, setting the pressure of the press at 15Mpa, and keeping the pressure for 40 hours;
(10) slitting: cutting the pressed and pasted large plate according to the required specification;
(11) health preserving: standing the cut small pieces for 3 days;
(12) grooving: the periphery is provided with a lock catch, and the short edge is a direct-shooting lock catch;
(13) the back is pasted with an EVA film.
Example 5
The difference from example 2 is that the organic acid used is replaced by oxalic acid.
Example 6
The difference from example 3 is that the organic acid used was replaced with malic acid.
Example 7
The difference from example 2 is that the organic acid used is replaced by maleic acid.
Example 8
The difference from example 3 is that the organic acid used is replaced by citric acid.
Example 9
The difference from example 2 is that the organic acid used is replaced by ascorbic acid.
Comparative example 1
The preparation method of the floor of the comparative example is as follows:
(1) mixing and stirring materials: weighing 80 parts by weight of poplar powder, and weighing an additive: 8 parts of magnesium hydroxide, 3.2 parts of silicon dioxide, 2.0 parts of ethylene diamine tetraacetic acid, 0.4 part of calcium phosphate, 0.4 part of sodium sulfate, KH-5501.6 parts and 4.4 parts of MDI. Dispersing an additive in water, uniformly stirring to obtain an aqueous dispersing agent, and uniformly stirring and mixing the aqueous dispersing agent and the poplar powder;
(2) paving a mixture: the material after will mixing the material even is flatly spread on the smooth backing plate of aluminium system, backing plate breadth size: 1200mm × 2600mm, pad thickness: 5mm, and the paving thickness of the material is 5 cm;
(3) and (3) die pressing: stacking the aluminum smooth backing plates mixed with the paving materials, stacking the aluminum smooth backing plates by 50 sheets, pressurizing to 25Mpa, locking and keeping the pressure for standing for 3 days;
(4) demolding and discharging: after the mould is pressed, releasing pressure and demoulding one by one;
(5) trimming the plate: trimming the demolded plate;
(6) drying the plates: placing the demoulded plate into a drying room, setting the temperature of the drying room to be 40 ℃, and drying to reach 16% of water content (by using a digital wood measuring instrument);
(7) sanding the plate: sanding with No. 120 abrasive belt to thickness within +/-0.10 mm;
(8) assembling materials: assembling the biomass substrate, the first balance adhesive layer, the second balance adhesive layer and the melamine sheet layer in sequence;
(9) hot pressing: sending the assembled combination into a press, using 2400t press, 6 hydraulic cylinders, setting the diameter of each cylinder at 420mm, setting the temperature of the press at 140 ℃, setting the pressure of the press at 20Mpa, and keeping the pressure for 30 hours;
(10) slitting: cutting the pressed and pasted large plate according to the required specification;
(11) health preserving: standing the cut small pieces for 3 days;
(12) grooving: the periphery is provided with a lock catch, and the short edge is a direct-shooting lock catch;
(13) the back is pasted with an EVA film.
Comparative example 2
The preparation method of the floor of the comparative example is as follows:
(1) mixing and stirring materials: weighing 80 parts by weight of poplar powder, and weighing an additive: 8.0 parts by weight of magnesium oxide, 6.2 parts by weight of calcium chloride, 3.0 parts by weight of silicon dioxide, 2.0 parts by weight of acetic acid, 0.4 part by weight of calcium phosphate and 0.4 part by weight of sodium sulfate. Dispersing an additive in water, uniformly stirring to obtain an aqueous dispersing agent, and uniformly stirring and mixing the aqueous dispersing agent and the poplar powder;
(2) paving a mixture: the material after will mixing the material even is flatly spread on the smooth backing plate of aluminium system, backing plate breadth size: 1200mm × 2600mm, pad thickness: 5mm, and the paving thickness of the material is 5 cm;
(3) and (3) die pressing: stacking the aluminum smooth backing plates mixed with the paving materials, stacking the aluminum smooth backing plates by 50 sheets, pressurizing to 25Mpa, locking and keeping the pressure for standing for 3 days;
(4) demolding and discharging: after the mould is pressed, releasing pressure and demoulding one by one;
(5) trimming the plate: trimming the demolded plate;
(6) drying the plates: placing the demoulded plate into a drying room, setting the temperature of the drying room to be 40 ℃, and drying to reach 16% of water content (by using a digital wood measuring instrument);
(7) sanding the plate: sanding with No. 120 abrasive belt to thickness within +/-0.10 mm;
(8) assembling materials: assembling the biomass substrate, the first balance adhesive layer, the second balance adhesive layer and the melamine sheet layer in sequence;
(9) hot pressing: sending the assembled combination into a press, using 2400t press, 6 hydraulic cylinders, setting the diameter of each cylinder at 420mm, setting the temperature of the press at 140 ℃, setting the pressure of the press at 20Mpa, and keeping the pressure for 30 hours;
(10) slitting: cutting the pressed and pasted large plate according to the required specification;
(11) health preserving: standing the cut small pieces for 3 days;
(12) grooving: the periphery is provided with a lock catch, and the short edge is a direct-shooting lock catch;
(13) the back is pasted with an EVA film.
Comparative example 3
The difference from example 2 is that magnesium oxide is used instead of magnesium hydroxide.
Comparative example 4
The difference from example 3 is that magnesium oxide is used instead of magnesium hydroxide.
Comparative example 5
The difference from example 2 is that polydimethylsiloxane is used instead of KH-550.
The fire-retardant properties of the biomass floorings of the above examples 1 to 9 and comparative examples 1 to 5 were all rated above B1, and the formaldehyde emission measured by the dryer method was not detected and reached E1And (4) stages. The water absorption thickness swelling ratio of the edge of the sample was measured according to GB/T18102-2007 at a water temperature of 20 ℃ using a sample of 150mm X50 mm (thickness of 10mm), and the results are shown in Table 1.
Table 1 units%
| Test specimen | Examples 1 | Examples 2 | Examples 3 | Examples 4 | Examples 5 | Examples 6 | Examples 7 | Examples 8 | Examples 9 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 |
| Expansion of Rate of change | 9.7 | 8.1 | 8.4 | 10.2 | 9.8 | 10.3 | 9.6 | 10.1 | 10.0 | 15.9 | 16.3 | 13.7 | 14.1 | 11.2 |
For those skilled in the art, the specific embodiments are only exemplary descriptions of the present invention, and it is obvious that the specific implementation of the present invention is not limited by the above-mentioned manner, and various insubstantial modifications made by the technical solution of the present invention are within the protection scope of the present invention.
Claims (10)
1. The fireproof and waterproof biomass floor comprises a biomass base material, wherein the biomass base material is formed by hot-press molding of the following raw material components in parts by weight: 75-90 parts of wood fiber powder, 10-25 parts of additive and 0-1 part of pigment, wherein the total weight parts is 100 parts; the method is characterized in that: the additive comprises the following components in percentage by weight: 35-50 parts of metal hydroxide, 10-20 parts of non-metal oxide, 5-10 parts of organic acid, 1-5 parts of phosphate, 1-5 parts of sulfate, 3-10 parts of aminosilane and the balance of diisocyanate; the hot-press forming temperature is 165-195 ℃, and the pressure is 10-15 Mpa.
2. The fire and water resistant biomass floor according to claim 1, wherein: the diisocyanate is selected from one of toluene diisocyanate, diphenylmethane diisocyanate or hexamethylene diisocyanate.
3. The fire and water resistant biomass floor according to claim 1, wherein: the metal hydroxide is one or more of magnesium hydroxide, aluminum hydroxide, calcium hydroxide or zinc hydroxide.
4. The fire and water resistant biomass floor according to claim 1, wherein: the non-metal oxide is at least one of diboron trioxide or silicon dioxide.
5. The fire and water resistant biomass floor according to claim 1, wherein: the organic acid is selected from one or more of acetic acid, tartaric acid, oxalic acid, malic acid, citric acid maleate, ethylenediamine tetraacetic acid and ascorbic acid.
6. The fire and water resistant biomass floor according to claim 1, wherein: the phosphate is at least one selected from trisodium phosphate, calcium phosphate, monocalcium phosphate, magnesium hydrogen phosphate, zinc phosphate, aluminum phosphate and aluminum dihydrogen phosphate.
7. The fire and water resistant biomass floor according to claim 1, wherein: the sulfate is selected from one or more of sodium sulfate, calcium sulfate, aluminum sulfate or magnesium sulfate.
8. The fire and water resistant biomass floor according to claim 1, wherein: the aminosilane is selected from gamma-aminopropyltriethoxysilane or N-beta (aminoethyl) -gamma-aminopropyltrimethoxysilane.
9. The fire and water resistant biomass floor according to claim 1, wherein: the fireproof and waterproof biomass floor further comprises a first balance adhesive layer positioned above the biomass base material, and a wear-resistant sheet layer positioned on the first balance adhesive layer; the second balance glue layer is positioned below the biomass substrate, and the EVA film is positioned below the second balance glue layer.
10. The method for preparing the fireproof and waterproof biomass floor as claimed in any one of claims 1 to 9, which is characterized by comprising the following steps:
(1) mixing and stirring materials: weighing wood fiber powder, an additive and a pigment according to a ratio, dispersing the additive and the pigment in water, uniformly stirring to obtain a water dispersing agent, and uniformly stirring and mixing the water dispersing agent and the wood fiber powder;
(2) paving a mixture: flatly paving the uniformly mixed and stirred material on an aluminum smooth backing plate, wherein the paving thickness of the material is 3-6 cm;
(3) and (3) die pressing: stacking the aluminum smooth base plates mixed with the paving materials, pressurizing, locking and keeping the pressure for placement;
(4) demolding and discharging: after the mould is pressed, releasing pressure and demoulding one by one;
(5) trimming the plate: trimming the demolded plate;
(6) drying the plates: placing the demoulded plate into a drying room, and drying until the water content is 12-16%;
(7) sanding the plate: sanding with fixed thickness by using a sanding belt, wherein the thickness deviation is within +/-0.10 mm;
(8) assembling materials: assembling the biomass substrate, the first balance adhesive layer, the second balance adhesive layer and the melamine sheet layer in sequence;
(9) hot pressing: feeding the assembled assembly into a press, wherein the temperature of the press is set to be 165-195 ℃, the pressure of the press is 10-15 Mpa, and the pressure maintaining time is 35-40 hours;
(10) slitting: cutting the pressed and pasted large plate according to the required specification;
(11) health preserving: standing the cut small pieces;
(12) grooving: the periphery is provided with a lock catch, and the short edge is a direct-shooting lock catch;
(13) the back is pasted with an EVA film.
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| CN202010680638.XA CN112095976A (en) | 2020-07-15 | 2020-07-15 | Fireproof and waterproof biomass floor and preparation method thereof |
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| CN114350111A (en) * | 2021-12-24 | 2022-04-15 | 常州市贝美家居科技有限公司 | Floor and preparation method thereof |
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Application publication date: 20201218 |