CN111497358A - High-flame-retardance sound-absorbing sandstone composite board and preparation method thereof - Google Patents

High-flame-retardance sound-absorbing sandstone composite board and preparation method thereof Download PDF

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Publication number
CN111497358A
CN111497358A CN202010349289.3A CN202010349289A CN111497358A CN 111497358 A CN111497358 A CN 111497358A CN 202010349289 A CN202010349289 A CN 202010349289A CN 111497358 A CN111497358 A CN 111497358A
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sound
water
absorbing
layer
sand
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王教友
王蕴商
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Qingdao Boss Flame Retardant Textile Materials Co ltd
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Qingdao Boss Flame Retardant Textile Materials Co ltd
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    • 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
    • B32B5/022—Non-woven fabric
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • 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
    • B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/28—Polysaccharides or derivatives thereof
    • C04B26/285—Cellulose or derivatives thereof
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B1/86—Sound-absorbing elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/942—Building elements specially adapted therefor slab-shaped
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—Coating
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51—Elastic
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • 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
    • C04B2111/52—Sound-insulating materials

Abstract

The invention discloses a high-flame-retardance and sound-absorbing sandstone composite board and a preparation method thereof. The sound-absorbing sand layer comprises white marble sand grains, a water-based adhesive, an environment-friendly polyurethane adhesive and rutile titanium dioxide, wherein the water-based adhesive comprises the following components in percentage by weight: 22-28% of water-based styrene-acrylic emulsion, 5-8% of preservative, 10-13% of cellulose, 5-8% of AXE-60 type thickening agent, 3-5% of dispersant, 35-40% of softened water and multifunctional auxiliary agent AMP-955%. The sound-absorbing material has the advantages of good sound-absorbing effect, high fire-proof grade, high surface strength, simple preparation method, high forming speed and field construction.

Description

High-flame-retardance sound-absorbing sandstone composite board and preparation method thereof
Technical Field
The invention relates to the technical field of building decoration plates, in particular to a sandstone composite plate with high flame retardance and sound absorption and a preparation method thereof.
Background
With the continuous improvement of living standard of people, the requirements of people on the quality of life are increased day by day, but the urban noise which is noisy gradually influences the normal life and the personal health of urban residents. The urban noise mainly refers to traffic noise, factory noise, building construction noise and social life noise, the influence range and the influence degree of the noise are increasingly serious, the influence on the living environment of citizens is great, and the urban noise becomes one of the remarkable urban environmental pollution problems.
Therefore, in the building construction and decoration process, some sound-absorbing boards made of absorbing materials are often arranged on the wall surface to control the noise pollution. The sound-absorbing board is a plate-shaped material with sound-absorbing and noise-reducing effects, and is mainly applied to places with high acoustic environment requirements and high-grade decoration, such as movie theaters, music halls, museums, families, and the like. The sound absorption principle is that a large number of tiny communicated pores are formed in the material, sound waves can penetrate into the material along the pores and generate friction with the material to convert sound energy into heat energy.
CN 108218316B discloses an acoustic board and a preparation method thereof, comprising the following components: 25 parts of bentonite, 30 parts of cement, 18 parts of coral reef powder, 4 parts of anionic surfactant, 25 parts of quartz powder, 15 parts of fly ash, 8 parts of grinding wheel ash, 35 parts of glycol-water solution, 11 parts of iodide salt, 7 parts of zinc oxide, 35 parts of TPO, 20 parts of lignocellulose, 15 parts of carbamide and 7 parts of lubricant. Adopt the bentonite, cement etc. are as the binder, the bentonite has hygroscopicity and expansibility, adsorbable 8 ~ 15 times the water yield of self volume, the voluminous bulking can reach several times to 30 times, be unfavorable for inhaling the stability of sound panel, adopt TPO as sound absorbing material, it is great that sound absorbing effect receives the influence of TPO quantity, and be located inside TPO of abatvoix because the cladding is in the abatvoix, it is not good to lead to its sound absorbing effect, the preparation process technology of abatvoix is complicated, raw and other materials are numerous, need prefabricate the shaping in advance, can not reach the effect of seamless concatenation after laying.
CN 106242481B discloses an ecological shell acoustic board and a preparation method thereof, wherein the ecological shell acoustic board is prepared from the following raw materials in parts by weight: 30-65 parts of blocky shell, 5-13 parts of shell powder, 5-13 parts of heavy calcium, 1-3 parts of sodium hexametaphosphate, 1-3 parts of guar gum, 0.5-3 parts of carrageenan, 0.5-3 parts of sodium alginate, 0-10 parts of water, 10-20 parts of paper pulp, 1-5 parts of dry enteromorpha and 1-5 parts of water glass adhesive. The invention can not generate water absorption expansion phenomenon, mainly depends on natural pores on the block shells to absorb sound, but because the natural pores on the block shells are easy to be blocked by glue and the like, the noise reduction coefficient is only larger than 0.25, and the block shells with larger size are easy to be damaged or fall off due to collision or friction in the using process.
Disclosure of Invention
Aiming at the technical problems, the invention aims to provide the sandstone composite plate with high flame retardance and sound absorption and the preparation method thereof, and the sandstone composite plate is simple in preparation process, low in cost, stable in structure and long in service life, and has excellent sound absorption effect and flame retardant effect.
In order to solve the problems, the invention adopts the technical scheme that: the utility model provides a sandstone composite sheet of high fire-retardant, sound of inhaling, still includes the non-woven fabrics layer that sets gradually, the cotton layer of centrifugal glass to and net cloth layer inhales the sound sand layer, inhale the sound sand layer and be located net cloth layer.
According to the sandstone composite board with high flame retardance and sound absorption, the sound absorption sand layer comprises white marble sand grains and a water-based adhesive, and micropores are distributed on the surface and inside the sound absorption sand layer; the white marble sand grains are 20-40 meshes, the mass ratio of the water-based adhesive to the white marble sand grains is 1:7.5-9, and the water-based adhesive comprises the following components in percentage by weight: 22-28% of water-based styrene-acrylic emulsion, 5-8% of preservative, 10-13% of cellulose, 5-8% of AXE-60 type thickening agent, 3-5% of dispersant, 35-40% of softened water and multifunctional auxiliary agent AMP-955%.
The sandstone composite board with high flame retardance and sound absorption further comprises an environment-friendly polyurethane adhesive in the sound absorption sand layer, wherein the mass ratio of the water-based adhesive to the environment-friendly polyurethane adhesive is 1: 0.8-1.2.
According to the sandstone composite plate with high flame retardance and sound absorption, the sound absorption sand layer also comprises rutile titanium dioxide, and the mass ratio of the rutile titanium dioxide to the water-based adhesive is 1: 4-5.
According to the sandstone composite plate with high flame retardance and sound absorption, the thickness of the sound absorption sand layer is 2-4mm, the sound absorption coefficient is 0.6-0.85, the sizes of the micropores on the surface and inside of the composite plate are 0.5-1.0mm, and the number of the micropores per square meter is 900-1200 ten thousand. According to the sandstone composite board with high flame retardance and sound absorption, the sound absorption coefficient of the sandstone composite board is greater than 0.9.
According to the sandstone composite board with high flame retardance and sound absorption, the preservative is a water-soluble preservative, specifically one or two of sodium fluoride and a boron-chromium mixture, the cellulose is water-soluble cellulose, specifically one or two of hydroxymethyl cellulose and starch, and the dispersing agent is a water-soluble dispersing agent, specifically one or two of sodium hexametaphosphate and sodium tripolyphosphate.
The preparation method of the sandstone composite board with high flame retardance and sound absorption comprises the following steps,
(1) preparation of Water-based Adhesives
A. Weighing quantitative water-based styrene-acrylic emulsion and softened water in a stirring tank according to the weight percentage, and fully stirring the water-based styrene-acrylic emulsion and the softened water for 5-10min at the stirring speed of 1000-1500 r/min;
B. then sequentially adding the preservative, the dispersant, the cellulose, the multifunctional additive AMP-95 and the AXE-60 thickener into a stirring tank, and fully stirring for 15-20min at the stirring speed of 800-;
(2) preparation of Sound-absorbing mortar Material
Adding white marble sand into the stirring tank, and fully stirring for 20-25min at the stirring speed of 800-.
(3) Preparation of sound-absorbing sand layer
And (3) smearing or spraying the sound-absorbing mortar material or smearing and then spraying the sound-absorbing mortar material on a mould, and ventilating and drying for a certain time at room temperature to obtain the sound-absorbing sand layer.
In the step (1) and the step (B), after the water-based adhesive is stirred for 15-20min, the environment-friendly polyurethane adhesive and the rutile titanium dioxide are sequentially added, and stirring is continued for 10min to obtain the adhesive.
In the preparation method of the sandstone composite plate with high flame retardance and sound absorption, the mold in the step (3) comprises a non-woven fabric layer, a centrifugal glass wool layer and a grid fabric layer which are sequentially arranged, and the sound absorption mortar material is coated or sprayed or coated firstly and then sprayed on the grid fabric layer.
The sandstone composite board with high flame retardance and sound absorption and the preparation method thereof have the beneficial effects that:
8 percent of multifunctional auxiliary agent AMP-95 is adopted in the water-based adhesive: 1. the high-performance sound-absorbing sand layer is used as a strong co-dispersant, has a synergistic effect with a dispersant, can reduce the using amount of the dispersant, simultaneously reduces the foam of a water-based adhesive in the preparation process due to the reduction of the using amount of the dispersant, does not need a defoaming agent in the preparation process, can be volatilized from the water-based adhesive after being dried, and leaves micropores on the sound-absorbing sand layer; 2. the water-based adhesive can be endowed with excellent pH value stability, the alkaline pH value of the water-based adhesive is effectively maintained, and the corrosion of the seams and edges of the stirring tank in the preparation process can be effectively inhibited; 3. contributes to the thickening effect of the thickener, and the dosage of the thickener of the using system is reduced through the improvement of thickening efficiency.
The sum of the water-based styrene-acrylic emulsion and the softened water in the water-based adhesive accounts for 57-68% of the water-based adhesive, so that the water-based adhesive has good fluidity, and when the water-based adhesive is mixed with the white marble sand grains, the water-based adhesive and the white marble sand grains are uniformly mixed, and the water-based adhesive can be fully filled in gaps among the white marble sand grains. The water-based adhesive generates micropores in the gaps due to the evaporation of water, particularly the evaporation of the water-based adhesive in the gaps among the white marble sand grains, and the micropores are enlarged along with the evaporation of the water to form mutually communicated micropores. When the water is completely evaporated, the residual water-based adhesive can be tightly coated on the surrounding white marble sand grains to form a film layer coating the white marble sand grains, so that the connection between the white marble sand grains is firmer. When the right amount of environmental protection type polyurethane glue agent of addition in water-based adhesive, can increase the viscosity of binder, after moisture evaporation, can improve the quantity and the size of the micropore of inhaling the sound sand layer, and then increase its sound absorption effect, and centrifugal glass cotton layer itself has the sound function of inhaling, the two is compound back, it can reach the high sound nature of inhaling that is greater than 0.9 to inhale the sound effect, simultaneously because environmental protection type polyurethane glue agent has good wearability, the cladding is at the environmental protection type polyurethane glue agent on white marble sand grain surface, through the multiple collision friction back, be difficult for taking place the damage, make the white marble sand grain be difficult for droing, and the service life is prolonged.
Inhale sound sand bed thickness and be 2-4mm, under this thickness, inhale the dry sizing material can be very fast, prevent that the too long deformation that causes and inhale the sound sand bed of drying time, improve work efficiency, when can guarantee good sound absorption effect, prevent that the fibre in the cotton layer of centrifugal glass from migrating out from the hole. When the sound-absorbing sand layer is impacted, the centrifugal glass wool layer with better elasticity and the grid cloth layer with high tensile strength and deformation resistance can reduce the probability of breakage when the sound-absorbing sand layer is impacted.
The invention adopts white marble sand grains as the main raw material of the sound-absorbing sand layer, improves the overall strength of the sound-absorbing sand layer, has simple preparation process and convenient operation, and can be constructed and manufactured on site at room temperature.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention will be described in further detail with reference to fig. 1 and the specific embodiments.
The utility model provides a sandstone composite sheet of high fire-retardant, sound absorption, is including the sound sand layer 1 of inhaling that sets gradually, net cloth layer 2, the cotton layer 3 of centrifugal glass, and non-woven fabrics layer 4.
Inhale sound sand bed 1 includes that the mass ratio is 1: 0.8-1.2: 7.5-9 of water-based adhesive, environment-friendly polyurethane adhesive and white marble sand.
The mass ratio of the adhesive to the water-based adhesive is 4-5: 1 rutile type titanium dioxide.
The sound absorption sand layer comprises white marble sand grains and a water-based adhesive, and micropores are distributed on the surface and inside of the sound absorption sand layer; the sound-absorbing sand layer 1 has a thickness of 2-4mm, a sound-absorbing coefficient of 0.6-0.85, surface and internal micropores of 0.5-1.0mm, the number of micropores per square meter of 900-1200 thousands, and pores of 15-24 meshes. The size of the white marble sand grains is 20-40 meshes, the mass ratio of the water-based adhesive to the white marble sand grains is 1:7.5-9, and the centrifugal glass wool has a high sound absorption coefficient, so that when the sound absorption sand layer 1, the centrifugal glass wool layer 3 and the like are compounded to prepare the sandstone composite board, the sound absorption coefficient is greater than 0.9.
The water-based adhesive comprises the following components in percentage by mass:
22-28% of water-based styrene-acrylic emulsion;
5% -8% of preservative;
10% -13% of cellulose;
AXE-60 type thickener 5% -8%;
3% -5% of a dispersant;
4, 955 to 9 percent of multifunctional auxiliary agent AMP-955;
35 to 40 percent of softened water.
The sound-absorbing sand layer also comprises rutile type titanium dioxide, and the mass ratio of the rutile type titanium dioxide to the water-based adhesive is 1: 4-5; the white marble sand grains are 20-40 meshes, and the mass ratio of the water-based adhesive to the white marble sand grains is 1: 7.5-9.
The preservative is a water-soluble preservative, specifically one or two of sodium fluoride and a boron-chromium mixture, the cellulose is water-soluble cellulose, specifically one or two of hydroxymethyl cellulose and starch, and the dispersant is a water-soluble dispersant, specifically one or two of sodium hexametaphosphate and sodium tripolyphosphate.
A preparation method of a sandstone composite plate with high flame retardance and sound absorption comprises the following steps:
(1) preparation of the Binder
A. Weighing quantitative styrene-acrylic emulsion and softened water in a stirring tank according to the weight percentage, and fully stirring the styrene-acrylic emulsion and the softened water
5-10min, and the stirring speed is 1000r/min-1500 r/min;
B. then sequentially adding the preservative, the dispersant, the cellulose, the multifunctional additive AMP-95 and the AXE-60 thickener into a stirring tank, and fully stirring for 15-20min at the stirring speed of 800-;
C. and sequentially adding the environment-friendly polyurethane adhesive and the rutile titanium dioxide into the stirring tank, and continuously stirring for 10min to obtain the binder.
(2) Preparation of Sound-absorbing mortar Material
Adding white marble sand into the stirring tank, and fully stirring for 20-25min at the stirring speed of 800-.
(3) Preparation of sound-absorbing sand layer
The non-woven fabric layer 4 is glued and adhered with a centrifugal glass wool layer 3, then a gridding fabric layer 2 is fixed on the centrifugal glass wool layer 3, the gridding fabric layer 2 is coated or sprayed or coated first and then coated with a layer of sound-absorbing mortar material, and the sound-absorbing sand layer is obtained after drying for a certain time at a room temperature ventilation position.
Example 1
The utility model provides a sandstone composite sheet of high fire-retardant, sound absorption, is including the sound sand layer 1 of inhaling that sets gradually, net cloth layer 2, the cotton layer 3 of centrifugal glass, and non-woven fabrics layer 4. The sound-absorbing sand layer 1 comprises a water-based adhesive, an environment-friendly polyurethane adhesive, rutile titanium dioxide and white marble sand, wherein the water-based adhesive comprises the following components in percentage by mass:
25% of water-based styrene-acrylic emulsion;
7% of sodium fluoride;
12% of hydroxymethyl cellulose;
7% of AXE-60 type thickener;
4% of sodium hexametaphosphate;
multifunctional assistant AMP-958%;
37 percent of softened water.
A preparation method of a sandstone composite board with high flame retardance and sound absorption comprises the following steps:
(1) preparation of the Binder
A. Weighing 25% of styrene-acrylic emulsion and 37% of softened water in a stirring tank, and fully stirring the two for 8min at the stirring speed of 1200 r/min;
B. then adding 7% of sodium fluoride, 4% of sodium hexametaphosphate, 12% of hydroxymethyl cellulose, 8% of multifunctional auxiliary agent AMP-95 and 7% of AXE-60 type thickening agent into a stirring tank in sequence, and fully stirring for 20min at the stirring speed of 1000r/min to obtain a water-based adhesive;
C. sequentially adding the environment-friendly polyurethane adhesive and the rutile titanium dioxide into a stirring tank, and continuously stirring for 10min to obtain the binder, wherein the mass ratio of the water-based adhesive to the environment-friendly polyurethane adhesive to the rutile titanium dioxide is 4:4: 1.
(2) Preparation of Sound-absorbing mortar Material
Adding white marble sand into the stirring tank, and fully stirring for 20min at the stirring speed of 1200r/min to obtain the sound-absorbing mortar material.
(3) Preparation of sound-absorbing sand layer
A centrifugal glass wool layer 3 is fixed on the non-woven fabric layer 4 through gluing, then a grid fabric layer 2 is fixed on the centrifugal glass wool layer 3, sound-absorbing mortar with the thickness of 2mm is coated or sprayed on the grid fabric layer 2 or coated and then sprayed on the grid fabric layer, and the sound-absorbing sand layer is obtained after the room-temperature ventilation part is dried for a certain time.
The composite sound-absorbing sand centrifugal glass wool board prepared by the embodiment does not need to be prefabricated, can be directly constructed on a construction site, can be normally used after being aired for 72 hours, and has a fire-retardant rating of A2.
Example 2
The utility model provides a sandstone composite sheet of high fire-retardant, sound absorption, is including the sound sand layer 1 of inhaling that sets gradually, net cloth layer 2, the cotton layer 3 of centrifugal glass, and non-woven fabrics layer 4. The sound-absorbing sand layer 1 comprises a water-based adhesive, an environment-friendly polyurethane adhesive, rutile titanium dioxide and white marble sand, wherein the water-based adhesive comprises the following components in percentage by mass:
28% of water-based styrene-acrylic emulsion;
5% of a boron-chromium mixture;
13% of hydroxymethyl cellulose;
AXE-60 type thickener 5%;
3% of sodium tripolyphosphate;
multifunctional auxiliary agent AMP-959%;
37 percent of softened water.
A preparation method of a sandstone composite board with high flame retardance and sound absorption comprises the following steps:
(1) preparation of the Binder
A. Weighing 28% of styrene-acrylic emulsion and 37% of softened water in a stirring tank, and fully stirring the styrene-acrylic emulsion and the softened water for 10min at the stirring speed of 1500 r/min;
B. then, sequentially adding 5% of boron-chromium mixture, 3% of sodium tripolyphosphate, 13% of hydroxymethyl cellulose, 9% of multifunctional auxiliary agent AMP-95 and 5% of AXE-60 type thickening agent into a stirring tank, and fully stirring for 30min at the stirring speed of 1000r/min to obtain a water-based adhesive;
C. sequentially adding the environment-friendly polyurethane adhesive and the rutile titanium dioxide into a stirring tank, and continuously stirring for 10min to obtain the binder, wherein the mass ratio of the water-based adhesive to the environment-friendly polyurethane adhesive to the rutile titanium dioxide is 5:4: 1.
(3) Preparation of Sound-absorbing mortar Material
Adding white marble sand into the stirring tank, and fully stirring for 20min at the stirring speed of 800r/min to obtain the sound-absorbing mortar material.
(3) Preparation of sound-absorbing sand layer
A centrifugal glass wool layer 3 is fixed on the non-woven fabric layer 4 through gluing, then a grid fabric layer 2 is fixed on the centrifugal glass wool layer 3, a layer of sound-absorbing mortar material with the thickness of 3mm is coated or sprayed on the grid fabric layer 2, and the sound-absorbing sand layer is obtained after the room-temperature ventilation part is dried for a certain time.
Example 3
The utility model provides a sandstone composite sheet of high fire-retardant, sound absorption, is including the sound sand layer 1 of inhaling that sets gradually, net cloth layer 2, the cotton layer 3 of centrifugal glass, and non-woven fabrics layer 4. The sound-absorbing sand layer 1 comprises a water-based adhesive, an environment-friendly polyurethane adhesive, rutile titanium dioxide and white marble sand, wherein the water-based adhesive comprises the following components in percentage by mass:
22% of water-based styrene-acrylic emulsion;
8% of sodium fluoride;
10% of hydroxymethyl cellulose;
8% of AXE-60 type thickener;
5% of sodium hexametaphosphate;
multifunctional auxiliary agent AMP-957%;
40% of softened water.
A preparation method of a sandstone composite board with high flame retardance and sound absorption comprises the following steps:
(1) preparation of the Binder
A. Weighing 22% of styrene-acrylic emulsion and 40% of softened water in a stirring tank, and fully stirring the two for 10min at the stirring speed of 1500 r/min;
B. then sequentially adding 8% of sodium fluoride, 5% of sodium hexametaphosphate, 10% of hydroxymethyl cellulose, 7% of multifunctional auxiliary agent AMP-95 and 8% of AXE-60 type thickening agent into a stirring tank, and fully stirring for 20min at the stirring speed of 1200r/min to obtain a water-based adhesive;
C. sequentially adding the environment-friendly polyurethane adhesive and the rutile titanium dioxide into a stirring tank, and continuously stirring for 10min to obtain the binder, wherein the mass ratio of the water-based adhesive to the environment-friendly polyurethane adhesive to the rutile titanium dioxide is 5:6: 1.
(4) Preparation of Sound-absorbing mortar Material
Adding white marble sand into the stirring tank, and fully stirring for 20min at the stirring speed of 1200r/min to obtain the sound-absorbing mortar material.
(3) Preparation of sound-absorbing sand layer
A centrifugal glass wool 3 is fixed on the non-woven fabric layer 4 through gluing, then a grid fabric layer 2 is fixed on the centrifugal glass wool layer 3, sound-absorbing mortar with the thickness of 4mm is coated or sprayed on the grid fabric layer 2 or coated first and then sprayed on the grid fabric layer, and the sound-absorbing sand layer is obtained after the room-temperature ventilation part is dried for a certain time.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which can be made by those skilled in the art are also within the scope of the present invention.

Claims (10)

1. The utility model provides a sandstone composite sheet that high fire-retardant, sound absorption which characterized in that: still including the non-woven fabrics layer that sets gradually, the cotton layer of centrifugal glass to and net cloth layer, inhale the sound sand layer and be located net cloth layer.
2. The highly fire retardant, acoustical sandstone composite plate of claim 1, wherein: the sound absorption sand layer comprises white marble sand grains and a water-based adhesive, and micropores are distributed on the surface and inside of the sound absorption sand layer; the white marble sand grains are 20-40 meshes, the mass ratio of the water-based adhesive to the white marble sand grains is 1:7.5-9, and the water-based adhesive comprises the following components in percentage by weight: 22-28% of water-based styrene-acrylic emulsion, 5-8% of preservative, 10-13% of cellulose, 5-8% of AXE-60 type thickening agent, 3-5% of dispersant, 35-40% of softened water and multifunctional auxiliary agent AMP-955%.
3. The high fire retardant, sound absorbing sandstone composite plate of claim 2, wherein: still include environment-friendly polyurethane glue in inhaling the sound sand layer, the quality ratio of water-based adhesive and environment-friendly polyurethane glue is 1: 0.8-1.2.
4. The highly fire retardant, acoustical sandstone composite plate of claim 3, wherein: the sound-absorbing sand layer also comprises rutile type titanium dioxide, and the mass ratio of the rutile type titanium dioxide to the water-based adhesive is 1: 4-5.
5. The highly fire retardant, acoustical sandstone composite plate of claim 4, wherein: the sound absorption sand layer has the thickness of 2-4mm, the sound absorption coefficient of 0.6-0.85, the sizes of micropores on the surface and inside of the sound absorption sand layer are 0.5-1.0mm, and the number of micropores per square meter is 900-1200 ten thousand.
6. The highly fire retardant, acoustical sandstone composite plate of claim 5, wherein: the sound absorption coefficient of the sandstone composite plate is more than 0.9.
7. The highly fire retardant, sound absorbing sandstone composite plate of claim 6, wherein: the preservative is a water-soluble preservative, specifically one or two of sodium fluoride and a boron-chromium mixture, the cellulose is water-soluble cellulose, specifically one or two of hydroxymethyl cellulose and starch, and the dispersant is a water-soluble dispersant, specifically one or two of sodium hexametaphosphate and sodium tripolyphosphate.
8. A method for preparing a high fire retardant, sound absorbing sandstone composite plate as claimed in any of the above claims 1-7, wherein the method comprises the following steps: comprises the following steps of (a) carrying out,
(1) preparation of Water-based Adhesives
A. Weighing quantitative water-based styrene-acrylic emulsion and softened water in a stirring tank according to the weight percentage, and fully stirring the water-based styrene-acrylic emulsion and the softened water for 5-10min at the stirring speed of 1000-1500 r/min;
B. then sequentially adding the preservative, the dispersant, the cellulose, the multifunctional additive AMP-95 and the AXE-60 thickener into a stirring tank, and fully stirring for 15-20min at the stirring speed of 800-;
(2) preparation of Sound-absorbing mortar Material
Adding white marble sand into the stirring tank, and fully stirring for 20-25min at the stirring speed of 800-.
(3) Preparation of sound-absorbing sand layer
And (3) smearing or spraying the sound-absorbing mortar material or smearing and then spraying the sound-absorbing mortar material on a mould, and ventilating and drying for a certain time at room temperature to obtain the sound-absorbing sand layer.
9. The method for preparing the sandstone composite plate with high flame retardance and sound absorption according to claim 8, is characterized in that: and (B) in the step (1), stirring the water-based adhesive for 15-20min, sequentially adding the environment-friendly polyurethane adhesive and rutile titanium dioxide, and continuously stirring for 10min to obtain the binder.
10. The method for preparing the sandstone composite board with high flame retardance and sound absorption according to claim 9, is characterized in that: in the step (3), the mould comprises a non-woven fabric layer, a centrifugal glass wool layer and a grid fabric layer which are sequentially arranged, and the sound-absorbing mortar material is coated or sprayed or coated firstly and then sprayed on the grid fabric layer.
CN202010349289.3A 2020-04-28 2020-04-28 High-flame-retardance sound-absorbing sandstone composite board and preparation method thereof Pending CN111497358A (en)

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