CN111497370A - Flame-retardant heat-insulation straw color steel plate and preparation method and application thereof - Google Patents

Flame-retardant heat-insulation straw color steel plate and preparation method and application thereof Download PDF

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Publication number
CN111497370A
CN111497370A CN202010261678.0A CN202010261678A CN111497370A CN 111497370 A CN111497370 A CN 111497370A CN 202010261678 A CN202010261678 A CN 202010261678A CN 111497370 A CN111497370 A CN 111497370A
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China
Prior art keywords
parts
straw
steel plate
hot
flame
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Chinese (zh)
Inventor
季杰
杨菁菁
蒋蕾
李宇泽
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Jiangsu Heji New Material Technology Co ltd
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Jiangsu Heji New Material Technology Co ltd
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Priority to CN202010261678.0A priority Critical patent/CN111497370A/en
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    • B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C—CHEMISTRY; METALLURGY
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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Abstract

The invention discloses a flame-retardant heat-insulation straw color steel plate and a preparation method and application thereof, wherein the flame-retardant heat-insulation straw color steel plate is composed of a substrate steel, a straw grass core and a paint layer, the substrate steel is a deep-drawing thin steel plate, and the straw grass core is prepared from the following raw materials in parts by mass: 40-80 parts of straw, 1-2 parts of filler, 4-6 parts of weather resistant agent and 5-15 parts of double-component soybean meal protein-based adhesive; the two-component soybean meal protein-based adhesive comprises the following raw materials in parts by mass: 20-30 parts of soybean meal powder and 30-100 parts of composite modified solution.

Description

Flame-retardant heat-insulation straw color steel plate and preparation method and application thereof
Technical Field
The invention relates to the technical field of color steel plates, in particular to a flame-retardant heat-insulation straw color steel plate and a preparation method and application thereof.
Background
The color steel sandwich board is a common product in the current building materials, and not only can be good in flame retardant and sound insulation, but also is environment-friendly and efficient. The color steel sandwich board is formed by pressing an upper layer metal panel, a lower layer metal panel and a middle layer high molecular heat insulation inner core. Has the characteristics of simple and convenient installation, light weight, environmental protection and high efficiency. And the closed-cell molecular structure used by the filling system can prevent the condensation of water vapor.
The color steel sandwich board product consists of two layers of formed metal panels (or panels made of other materials) and a polymer heat-insulating inner core formed by directly foaming and curing the middle of the panels. The finished sandwich plates are convenient to install, light in weight and high in efficiency. The filling system also adopts a closed-cell molecular structure, so that the condensation of water vapor can be avoided. The sandwich board has beautiful appearance, bright color and good integral effect, integrates the functions of bearing, heat preservation, fire prevention and water prevention, does not need secondary decoration, is quick and convenient to install, has short construction period and good comprehensive benefit, and is a high-efficiency environment-friendly building material with wide application and great potential.
A rock wool board (Stone wood board), also called rock wool heat preservation decorative board, is an inorganic fiber board which is made by using basalt as a main raw material through high-temperature melting processing, and the rock wool board which is successfully tested in 6 months in 1981 is a novel heat preservation, fire insulation and sound absorption material.
The rock wool board is artificial inorganic fiber processed by high-temperature melting, has the characteristics of light weight, small heat conductivity coefficient, heat absorption and non-combustibility, is originally developed in buildings, is a common application type, is mainly used for industrial buildings, and meets the regulations of 'application type and basic requirements of building heat insulation materials'.
However, the existing rock wool board has great influence on workers during production, low strength and poor mechanical property, and the prior art is slightly insufficient.
Disclosure of Invention
The invention provides a flame-retardant heat-insulation straw colored steel plate and a preparation method and application thereof, aiming at solving the technical problems of poor water resistance, poor mechanical property, poor flame retardance and the like of the colored steel plate in the prior art.
The invention adopts the following technical scheme:
the utility model provides a various steel sheet of fire-retardant thermal-insulated straw, various steel sheet of fire-retardant thermal-insulated straw comprises base plate steel, straw grass core and lacquer layer, the base plate steel adopts deep-drawing sheet steel, the raw materials of straw grass core are according to the part by mass ratio: 40-80 parts of straw, 1-2 parts of filler, 4-6 parts of weather resistant agent and 5-15 parts of double-component soybean meal protein-based adhesive; the two-component soybean meal protein-based adhesive comprises the following raw materials in parts by mass: 20-30 parts of soybean meal powder and 30-100 parts of composite modified solution.
A preparation method of a flame-retardant heat-insulation straw color steel plate comprises the following steps: the first step is as follows: taking dry and clean straws, and conveying the straws into a blanking device through a conveying and screening device, wherein in the conveying process, the straws are conveyed to an inclined conveyor through a horizontal conveyor, and then conveyed to a stepping screening machine to further loosen and homogenize the straws, and simultaneously, grains, broken grass and sundries in the straws are removed; the second step is that: the straws in the blanking device fall to the front of the punch component from the upper end of the punch forming machine, and the fallen straws are punched forwards through the punch component; in the stamping forming process, adding a filler, a weather-resistant agent and a double-component soybean meal protein-based adhesive while stamping, transversely carding the straws at the upper end of a stamping forming machine through a carding fork, arranging a stamping chamber at the front end of a punch component, and during stamping, the punch component reciprocates to stamp the straws into the stamping chamber in a bunch, and continuously stamping to form a straw plate blank; the third step: the method comprises the following steps of (1) pushing a grass board blank into a hot-pressing forming device from a punch forming machine, firstly entering a front hot-pressing device in the hot-pressing forming device, carrying out hot pressing on the grass board blank by an upper hot plate and a lower hot plate of the front hot-pressing device, brushing a paint layer on the grass board blank by a brushing device after the grass board blank is subjected to hot pressing, then pushing the grass board blank into a rear hot-pressing device forwards, and carrying out hot pressing again; the fourth step: cooling the hot-pressed straw board blank by a cooling belt, conveying the cooled straw board blank into a straw board cutting device, and cutting; cutting, conveying to a sealing machine for sealing, and preparing straw cores; the fifth step: and (3) brushing two-component soybean meal protein-based adhesive on six surfaces of the straw core after the end capping, bonding the deep-drawing thin steel plate, then placing the straw core in a hot-pressing forming device, cooling the straw core after the hot-pressing forming device, and cooling to obtain the finished product.
As a preferred technical scheme of the invention: the straw is rice straw or wheat straw, the water content of the straw is 6-11%, and the rice straw or wheat straw is prepared by three procedures of screening, washing, impurity removal, spraying of insect-proof antibacterial liquid, drying and dehydration; the insect-proof antibacterial liquid is prepared by mixing and decocting 30 parts of artemisia argyi extract, 20 parts of chamomile, 20 parts of cicada slough, 10 parts of tea tree oil and 20 parts of camphor oil, and adding water with the total mass being 8-10 times of the total mass during decoction for 30-50 min; and cooling the decocted solution, adding 80 times of purified water by mass, and uniformly mixing to obtain the spray for use.
As a preferred technical scheme of the invention: the deep-drawing thin steel plate is a stainless steel plate or a hot-dip galvanized plate, and the deep-drawing thin steel plate is subjected to a degreasing process, a washing process and a passivation process.
As a preferred technical scheme of the invention: the hot pressing temperature of the front hot pressing device is 190-200 ℃, the hot pressing time is 60-80s, the hot pressing temperature of the rear hot pressing device is 165-175 ℃, and the hot pressing time is 55-65 s.
As a preferred technical scheme of the invention: the filler comprises the following raw materials in parts by weight: 1-2 parts of plasticizer, 20 parts of impact resistance agent, 1-15 parts of toughening agent, 0.5-5 parts of flame retardant, 10-12 parts of corrosion resistant agent, 4-8 parts of curing agent, 0.5-5 parts of coupling agent and 0.5-5 parts of surfactant, wherein the plasticizer is one or more of tri-n-butyl citrate, triethyl acetyl citrate and triethyl citrate, the impact resistance agent is one or more of glass fiber, quartz fiber, aramid fiber, basalt fiber, carbon fiber and phenolic fiber, the toughening agent adopts polyvinyl alcohol toughening agent or polypropylene alcohol toughening agent, the flame retardant adopts one or more of tetrabromobisphenol A, ammonium phosphate, red phosphorus, p-bromobenzaldehyde, diphenylcresol phosphate and melamine, and the corrosion resistant agent is prepared from the following raw materials in parts by mass: 100 parts of vinyl ester resin, 10-12 parts of acetylene-propylene copolymer and 8-10 parts of silicon powder, wherein the curing agent is one or more of phenyl phosphate, methyl benzene sulfonic acid and phosphoric acid, the coupling agent is a silane coupling agent, and the surfactant is sodium dodecyl benzene sulfonate surfactant.
As a preferred technical scheme of the invention: the two-component soybean meal protein-based adhesive comprises the following raw materials in parts by mass: 20-30 parts of soybean meal powder and 30-100 parts of a composite modified solution, wherein the composite modified solution is a mixture of any more of water, oxalic acid, sulfuric acid, sodium hydroxide, phosphoric acid, hydrochloric acid, citric acid, boric acid, urea, an amide polymer, maleic anhydride and polyethyleneimine.
As a preferred technical scheme of the invention: the weather resistant agent comprises the following raw materials in parts by weight: 100 parts of ternary vinyl chloride-vinyl acetate resin, 20-22 parts of propylene-vinyl acetate copolymer and 5-6 parts of ethylene glycol dimethacrylate.
As a preferred technical scheme of the invention: the paint layer comprises the following raw materials in parts by weight: 100 parts of silicon-fluorine modified acrylate, 30-40 parts of TMPTA11-15 parts of n-butyl acrylate, 3-5 parts of calcium carbonate, 4-6 parts of sulfamic acid, 1-3 parts of sodium carboxymethylcellulose, 2-4 parts of ethyl orthosilicate, 2-4 parts of sodium dodecyl sulfate and 0.4-0.6 part of organosilicon water repellent; firstly, putting the silicon-fluorine modified acrylate, TMPTA, n-butyl acrylate, calcium carbonate, sulfamic acid, sodium carboxymethyl cellulose, ethyl orthosilicate, sodium dodecyl sulfate and organosilicon water repellent into a dispersion machine, and dispersing for 30-50min at the dispersion speed of 1800r/min, thus obtaining the paint material.
The invention also discloses application of the flame-retardant heat-insulation straw color steel plate in architectural decoration.
Advantageous effects
1. The raw materials are easy to obtain, the process is simple, the cost is low, the environment is protected, the formula is novel and scientific, and the ultraviolet resistance and the corrosion resistance are realized; 2. the weight is light, the heat insulation performance is good, the high temperature resistance is realized, the corrosion resistance is realized, the water resistance, the compression resistance, the impact resistance is realized, and the bending strength is high; 3. the paint is wear-resistant, insect-resistant, radiation-resistant, salt spray test and ultraviolet light aging resistant, and does not foam or peel after 5000 hours; 4. the cost performance is high, the deflection is high, the flexibility is good, the product quality stability is good, and the impact strength and the bending strength are high; 5. the construction is simple, no noise pollution, the comprehensive cost is excellent, the density is small, the weight is light, and the structural stability is good.
Detailed Description
The present invention is further described with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the claims, and other alternatives which may occur to those skilled in the art are also within the scope of the claims.
Example 1:
the utility model provides a various steel sheet of fire-retardant thermal-insulated straw, various steel sheet of fire-retardant thermal-insulated straw comprises base plate steel, straw grass core and lacquer layer, the base plate steel adopts deep-drawing sheet steel, the raw materials of straw grass core are according to the part by mass ratio: 40-80 parts of straw, 1-2 parts of filler, 4-6 parts of weather resistant agent and 5-15 parts of double-component soybean meal protein-based adhesive; the two-component soybean meal protein-based adhesive comprises the following raw materials in parts by mass: 20-30 parts of soybean meal powder and 30-100 parts of composite modified solution.
The preparation method of the flame-retardant heat-insulation straw color steel plate comprises the following steps: the first step is as follows: taking dry and clean straws, and conveying the straws into a blanking device through a conveying and screening device, wherein in the conveying process, the straws are conveyed to an inclined conveyor through a horizontal conveyor, and then conveyed to a stepping screening machine to further loosen and homogenize the straws, and simultaneously, grains, broken grass and sundries in the straws are removed; the second step is that: the straws in the blanking device fall to the front of the punch component from the upper end of the punch forming machine, and the fallen straws are punched forwards through the punch component; in the stamping forming process, adding a filler, a weather-resistant agent and a double-component soybean meal protein-based adhesive while stamping, transversely carding the straws at the upper end of a stamping forming machine through a carding fork, arranging a stamping chamber at the front end of a punch component, and during stamping, the punch component reciprocates to stamp the straws into the stamping chamber in a bunch, and continuously stamping to form a straw plate blank; the third step: the method comprises the following steps of (1) pushing a grass board blank into a hot-pressing forming device from a punch forming machine, firstly entering a front hot-pressing device in the hot-pressing forming device, carrying out hot pressing on the grass board blank by an upper hot plate and a lower hot plate of the front hot-pressing device, brushing a paint layer on the grass board blank by a brushing device after the grass board blank is subjected to hot pressing, then pushing the grass board blank into a rear hot-pressing device forwards, and carrying out hot pressing again; the fourth step: cooling the hot-pressed straw board blank by a cooling belt, conveying the cooled straw board blank into a straw board cutting device, and cutting; cutting, conveying to a sealing machine for sealing, and preparing straw cores; the fifth step: and (3) brushing two-component soybean meal protein-based adhesive on six surfaces of the straw core after the end capping, bonding the deep-drawing thin steel plate, then placing the straw core in a hot-pressing forming device, cooling the straw core after the hot-pressing forming device, and cooling to obtain the finished product.
The straw is rice straw or wheat straw, the water content of the straw is 6-11%, and the rice straw or wheat straw is prepared by three procedures of screening, washing, impurity removal, spraying of insect-proof antibacterial liquid, drying and dehydration; the insect-proof antibacterial liquid is prepared by mixing and decocting 30 parts of artemisia argyi extract, 20 parts of chamomile, 20 parts of cicada slough, 10 parts of tea tree oil and 20 parts of camphor oil, and adding water with the total mass being 8-10 times of the total mass during decoction for 30-50 min; and cooling the decocted solution, adding 80 times of purified water by mass, and uniformly mixing to obtain the spray for use.
The deep-drawing thin steel plate is a stainless steel plate or a hot-dip galvanized plate, and the deep-drawing thin steel plate is subjected to a degreasing process, a washing process and a passivation process.
The hot pressing temperature of the front hot pressing device is 190-200 ℃, the hot pressing time is 60-80s, the hot pressing temperature of the rear hot pressing device is 165-175 ℃, and the hot pressing time is 55-65 s.
The filler comprises the following raw materials in parts by weight: 1-2 parts of plasticizer, 20 parts of impact resistance agent, 1-15 parts of toughening agent, 0.5-5 parts of flame retardant, 10-12 parts of corrosion resistant agent, 4-8 parts of curing agent, 0.5-5 parts of coupling agent and 0.5-5 parts of surfactant, wherein the plasticizer is one or more of tri-n-butyl citrate, triethyl acetyl citrate and triethyl citrate, the impact resistance agent is one or more of glass fiber, quartz fiber, aramid fiber, basalt fiber, carbon fiber and phenolic fiber, the toughening agent adopts polyvinyl alcohol toughening agent or polypropylene alcohol toughening agent, the flame retardant adopts one or more of tetrabromobisphenol A, ammonium phosphate, red phosphorus, p-bromobenzaldehyde, diphenylcresol phosphate and melamine, and the corrosion resistant agent is prepared from the following raw materials in parts by mass: 100 parts of vinyl ester resin, 10-12 parts of acetylene-propylene copolymer and 8-10 parts of silicon powder, wherein the curing agent is one or more of phenyl phosphate, methyl benzene sulfonic acid and phosphoric acid, the coupling agent is a silane coupling agent, and the surfactant is sodium dodecyl benzene sulfonate surfactant.
The two-component soybean meal protein-based adhesive comprises the following raw materials in parts by mass: 20-30 parts of soybean meal powder and 30-100 parts of a composite modified solution, wherein the composite modified solution is a mixture of any more of water, oxalic acid, sulfuric acid, sodium hydroxide, phosphoric acid, hydrochloric acid, citric acid, boric acid, urea, an amide polymer, maleic anhydride and polyethyleneimine. Solves the problems of large viscosity and difficult spraying of the single-component soybean glue: the dispersant proportion of the composite modified solution is adjusted to facilitate spraying and sizing, so that the drying time is shortened and the energy consumption is reduced under the condition of ensuring the proper water content; the storage life of the soy protein adhesive is prolonged: the two-component combination mode of the soybean meal adhesive greatly improves the storage period of the glue solution, and the maximum storage period can reach 3 months.
The weather resistant agent comprises the following raw materials in parts by weight: 100 parts of ternary vinyl chloride-vinyl acetate copolymer, 20-22 parts of propylene-vinyl acetate copolymer and 5-6 parts of ethylene glycol dimethacrylate; the paint layer comprises the following raw materials in parts by weight: 100 parts of silicon-fluorine modified acrylate, 30-40 parts of TMPTA11-15 parts of n-butyl acrylate, 3-5 parts of calcium carbonate, 4-6 parts of sulfamic acid, 1-3 parts of sodium carboxymethylcellulose, 2-4 parts of ethyl orthosilicate, 2-4 parts of sodium dodecyl sulfate and 0.4-0.6 part of organosilicon water repellent; firstly, putting the silicon-fluorine modified acrylate, TMPTA, n-butyl acrylate, calcium carbonate, sulfamic acid, sodium carboxymethyl cellulose, ethyl orthosilicate, sodium dodecyl sulfate and organosilicon water repellent into a dispersion machine, and dispersing for 30-50min at the dispersion speed of 1800r/min, thus obtaining the paint material.
The flame-retardant heat-insulation straw color steel plate is applied to large-scale industrial plants, warehouses, gymnasiums, supermarkets, hospitals, cold storages, prefabricated houses, building added layers, clean workshops and places needing heat preservation, heat insulation and fire prevention.
Example 2:
the utility model provides a various steel sheet of fire-retardant thermal-insulated straw, various steel sheet of fire-retardant thermal-insulated straw comprises base plate steel, straw grass core and lacquer layer, the base plate steel adopts deep-drawing sheet steel, the raw materials of straw grass core are according to the part by mass ratio: 40-80 parts of straw, 1-2 parts of filler, 4-6 parts of weather resistant agent and 5-15 parts of double-component soybean meal protein-based adhesive; the two-component soybean meal protein-based adhesive comprises the following raw materials in parts by mass: 20-30 parts of soybean meal powder and 30-100 parts of composite modified solution.
The preparation method of the flame-retardant heat-insulation straw color steel plate comprises the following steps: the first step is as follows: taking dry and clean straws, and conveying the straws into a blanking device through a conveying and screening device, wherein in the conveying process, the straws are conveyed to an inclined conveyor through a horizontal conveyor, and then conveyed to a stepping screening machine to further loosen and homogenize the straws, and simultaneously, grains, broken grass and sundries in the straws are removed; the second step is that: the straws in the blanking device fall to the front of the punch component from the upper end of the punch forming machine, and the fallen straws are punched forwards through the punch component; in the stamping forming process, adding a filler, a weather-resistant agent and a double-component soybean meal protein-based adhesive while stamping, transversely carding the straws at the upper end of a stamping forming machine through a carding fork, arranging a stamping chamber at the front end of a punch component, and during stamping, the punch component reciprocates to stamp the straws into the stamping chamber in a bunch, and continuously stamping to form a straw plate blank; the third step: the method comprises the following steps of (1) pushing a grass board blank into a hot-pressing forming device from a punch forming machine, firstly entering a front hot-pressing device in the hot-pressing forming device, carrying out hot pressing on the grass board blank by an upper hot plate and a lower hot plate of the front hot-pressing device, brushing a paint layer on the grass board blank by a brushing device after the grass board blank is subjected to hot pressing, then pushing the grass board blank into a rear hot-pressing device forwards, and carrying out hot pressing again; the fourth step: cooling the hot-pressed straw board blank by a cooling belt, conveying the cooled straw board blank into a straw board cutting device, and cutting; cutting, conveying to a sealing machine for sealing, and preparing straw cores; the fifth step: and (3) brushing two-component soybean meal protein-based adhesive on six surfaces of the straw core after the end capping, bonding the deep-drawing thin steel plate, then placing the straw core in a hot-pressing forming device, cooling the straw core after the hot-pressing forming device, and cooling to obtain the finished product.
The straw is rice straw or wheat straw, the water content of the straw is 6-11%, and the rice straw or wheat straw is prepared by three procedures of screening, washing, impurity removal, spraying of insect-proof antibacterial liquid, drying and dehydration; the insect-proof antibacterial liquid is prepared by mixing and decocting 30 parts of artemisia argyi extract, 20 parts of chamomile, 20 parts of cicada slough, 10 parts of tea tree oil and 20 parts of camphor oil, and adding water with the total mass being 8-10 times of the total mass during decoction for 30-50 min; and cooling the decocted solution, adding 80 times of purified water by mass, and uniformly mixing to obtain the spray for use.
The deep-drawing thin steel plate is a stainless steel plate or a hot-dip galvanized plate, and the deep-drawing thin steel plate is subjected to a degreasing process, a washing process and a passivation process.
The hot pressing temperature of the front hot pressing device is 190-200 ℃, the hot pressing time is 60-80s, the hot pressing temperature of the rear hot pressing device is 165-175 ℃, and the hot pressing time is 55-65 s.
The filler comprises the following raw materials in parts by weight: 1-2 parts of plasticizer, 20 parts of impact resistance agent, 1-15 parts of toughening agent, 0.5-5 parts of flame retardant, 10-12 parts of corrosion resistant agent, 4-8 parts of curing agent, 0.5-5 parts of coupling agent and 0.5-5 parts of surfactant, wherein the plasticizer is one or more of tri-n-butyl citrate, triethyl acetyl citrate and triethyl citrate, the impact resistance agent is one or more of glass fiber, quartz fiber, aramid fiber, basalt fiber, carbon fiber and phenolic fiber, the toughening agent adopts polyvinyl alcohol toughening agent or polypropylene alcohol toughening agent, the flame retardant adopts one or more of tetrabromobisphenol A, ammonium phosphate, red phosphorus, p-bromobenzaldehyde, diphenylcresol phosphate and melamine, and the corrosion resistant agent is prepared from the following raw materials in parts by mass: 100 parts of vinyl ester resin, 10-12 parts of acetylene-propylene copolymer and 8-10 parts of silicon powder, wherein the curing agent is one or more of phenyl phosphate, methyl benzene sulfonic acid and phosphoric acid, the coupling agent is a silane coupling agent, and the surfactant is sodium dodecyl benzene sulfonate surfactant.
The two-component soybean meal protein-based adhesive comprises the following raw materials in parts by mass: 20-30 parts of soybean meal powder and 30-100 parts of a composite modified solution, wherein the composite modified solution is a mixture of any more of water, oxalic acid, sulfuric acid, sodium hydroxide, phosphoric acid, hydrochloric acid, citric acid, boric acid, urea, an amide polymer, maleic anhydride and polyethyleneimine. Solves the problems of large viscosity and difficult spraying of the single-component soybean glue: the dispersant proportion of the composite modified solution is adjusted to facilitate spraying and sizing, so that the drying time is shortened and the energy consumption is reduced under the condition of ensuring the proper water content; the storage life of the soy protein adhesive is prolonged: the two-component combination mode of the soybean meal adhesive greatly improves the storage period of the glue solution, and the maximum storage period can reach 3 months.
The weather resistant agent comprises the following raw materials in parts by weight: 100 parts of ternary vinyl chloride-vinyl acetate copolymer, 20-22 parts of propylene-vinyl acetate copolymer and 5-6 parts of ethylene glycol dimethacrylate; the paint layer comprises the following raw materials in parts by weight: 100 parts of silicon-fluorine modified acrylate, 30-40 parts of TMPTA11-15 parts of n-butyl acrylate, 3-5 parts of calcium carbonate, 4-6 parts of sulfamic acid, 1-3 parts of sodium carboxymethylcellulose, 2-4 parts of ethyl orthosilicate, 2-4 parts of sodium dodecyl sulfate and 0.4-0.6 part of organosilicon water repellent; firstly, putting the silicon-fluorine modified acrylate, TMPTA, n-butyl acrylate, calcium carbonate, sulfamic acid, sodium carboxymethyl cellulose, ethyl orthosilicate, sodium dodecyl sulfate and organosilicon water repellent into a dispersion machine, and dispersing for 30-50min at the dispersion speed of 1800r/min, thus obtaining the paint material.
The flame-retardant heat-insulation straw color steel plate is applied to large-scale industrial plants, warehouses, gymnasiums, supermarkets, hospitals, cold storages, prefabricated houses, building added layers, clean workshops and places needing heat preservation, heat insulation and fire prevention.
Example 3:
the utility model provides a various steel sheet of fire-retardant thermal-insulated straw, various steel sheet of fire-retardant thermal-insulated straw comprises base plate steel, straw grass core and lacquer layer, the base plate steel adopts deep-drawing sheet steel, the raw materials of straw grass core are according to the part by mass ratio: 40-80 parts of straw, 1-2 parts of filler, 4-6 parts of weather resistant agent and 5-15 parts of double-component soybean meal protein-based adhesive; the two-component soybean meal protein-based adhesive comprises the following raw materials in parts by mass: 20-30 parts of soybean meal powder and 30-100 parts of composite modified solution.
The preparation method of the flame-retardant heat-insulation straw color steel plate comprises the following steps: the first step is as follows: taking dry and clean straws, and conveying the straws into a blanking device through a conveying and screening device, wherein in the conveying process, the straws are conveyed to an inclined conveyor through a horizontal conveyor, and then conveyed to a stepping screening machine to further loosen and homogenize the straws, and simultaneously, grains, broken grass and sundries in the straws are removed;
the second step is that: the straws in the blanking device fall to the front of the punch component from the upper end of the punch forming machine, and the fallen straws are punched forwards through the punch component; in the stamping forming process, adding a filler, a weather-resistant agent and a double-component soybean meal protein-based adhesive while stamping, transversely carding the straws at the upper end of a stamping forming machine through a carding fork, arranging a stamping chamber at the front end of a punch component, and during stamping, the punch component reciprocates to stamp the straws into the stamping chamber in a bunch, and continuously stamping to form a straw plate blank; the third step: the method comprises the following steps of (1) pushing a grass board blank into a hot-pressing forming device from a punch forming machine, firstly entering a front hot-pressing device in the hot-pressing forming device, carrying out hot pressing on the grass board blank by an upper hot plate and a lower hot plate of the front hot-pressing device, brushing a paint layer on the grass board blank by a brushing device after the grass board blank is subjected to hot pressing, then pushing the grass board blank into a rear hot-pressing device forwards, and carrying out hot pressing again; the fourth step: cooling the hot-pressed straw board blank by a cooling belt, conveying the cooled straw board blank into a straw board cutting device, and cutting; cutting, conveying to a sealing machine for sealing, and preparing straw cores; the fifth step: and (3) brushing two-component soybean meal protein-based adhesive on six surfaces of the straw core after the end capping, bonding the deep-drawing thin steel plate, then placing the straw core in a hot-pressing forming device, cooling the straw core after the hot-pressing forming device, and cooling to obtain the finished product.
The straw is rice straw or wheat straw, the water content of the straw is 6-11%, and the rice straw or wheat straw is prepared by three procedures of screening, washing, impurity removal, spraying of insect-proof antibacterial liquid, drying and dehydration; the insect-proof antibacterial liquid is prepared by mixing and decocting 30 parts of artemisia argyi extract, 20 parts of chamomile, 20 parts of cicada slough, 10 parts of tea tree oil and 20 parts of camphor oil, and adding water with the total mass being 8-10 times of the total mass during decoction for 30-50 min; and cooling the decocted solution, adding 80 times of purified water by mass, and uniformly mixing to obtain the spray for use.
The deep-drawing thin steel plate is a stainless steel plate or a hot-dip galvanized plate, and the deep-drawing thin steel plate is subjected to a degreasing process, a washing process and a passivation process.
The hot pressing temperature of the front hot pressing device is 190-200 ℃, the hot pressing time is 60-80s, the hot pressing temperature of the rear hot pressing device is 165-175 ℃, and the hot pressing time is 55-65 s.
The filler comprises the following raw materials in parts by weight: 1-2 parts of plasticizer, 20 parts of impact resistance agent, 1-15 parts of toughening agent, 0.5-5 parts of flame retardant, 10-12 parts of corrosion resistant agent, 4-8 parts of curing agent, 0.5-5 parts of coupling agent and 0.5-5 parts of surfactant, wherein the plasticizer is one or more of tri-n-butyl citrate, triethyl acetyl citrate and triethyl citrate, the impact resistance agent is one or more of glass fiber, quartz fiber, aramid fiber, basalt fiber, carbon fiber and phenolic fiber, the toughening agent adopts polyvinyl alcohol toughening agent or polypropylene alcohol toughening agent, the flame retardant adopts one or more of tetrabromobisphenol A, ammonium phosphate, red phosphorus, p-bromobenzaldehyde, diphenylcresol phosphate and melamine, and the corrosion resistant agent is prepared from the following raw materials in parts by mass: 100 parts of vinyl ester resin, 10-12 parts of acetylene-propylene copolymer and 8-10 parts of silicon powder, wherein the curing agent is one or more of phenyl phosphate, methyl benzene sulfonic acid and phosphoric acid, the coupling agent is a silane coupling agent, and the surfactant is sodium dodecyl benzene sulfonate surfactant.
The two-component soybean meal protein-based adhesive comprises the following raw materials in parts by mass: 20-30 parts of soybean meal powder and 30-100 parts of a composite modified solution, wherein the composite modified solution is a mixture of any more of water, oxalic acid, sulfuric acid, sodium hydroxide, phosphoric acid, hydrochloric acid, citric acid, boric acid, urea, an amide polymer, maleic anhydride and polyethyleneimine. Solves the problems of large viscosity and difficult spraying of the single-component soybean glue: the dispersant proportion of the composite modified solution is adjusted to facilitate spraying and sizing, so that the drying time is shortened and the energy consumption is reduced under the condition of ensuring the proper water content; the storage life of the soy protein adhesive is prolonged: the two-component combination mode of the soybean meal adhesive greatly improves the storage period of the glue solution, and the maximum storage period can reach 3 months.
The weather resistant agent comprises the following raw materials in parts by weight: 100 parts of ternary vinyl chloride-vinyl acetate copolymer, 20-22 parts of propylene-vinyl acetate copolymer and 5-6 parts of ethylene glycol dimethacrylate; the paint layer comprises the following raw materials in parts by weight: 100 parts of silicon-fluorine modified acrylate, 30-40 parts of TMPTA11-15 parts of n-butyl acrylate, 3-5 parts of calcium carbonate, 4-6 parts of sulfamic acid, 1-3 parts of sodium carboxymethylcellulose, 2-4 parts of ethyl orthosilicate, 2-4 parts of sodium dodecyl sulfate and 0.4-0.6 part of organosilicon water repellent; firstly, putting the silicon-fluorine modified acrylate, TMPTA, n-butyl acrylate, calcium carbonate, sulfamic acid, sodium carboxymethyl cellulose, ethyl orthosilicate, sodium dodecyl sulfate and organosilicon water repellent into a dispersion machine, and dispersing for 30-50min at the dispersion speed of 1800r/min, thus obtaining the paint material.
The flame-retardant heat-insulation straw color steel plate is applied to large-scale industrial plants, warehouses, gymnasiums, supermarkets, hospitals, cold storages, prefabricated houses, building added layers, clean workshops and places needing heat preservation, heat insulation and fire prevention.
The specific amounts of the two-component soybean meal protein-based adhesives used in examples 1-3 are shown in the following table:
Figure BDA0002439551790000091
the thermal conductivity is characterized according to a GB/T3399-1982 plastic thermal conductivity coefficient test method-a heat protection plate method, and the thermal conductivity test result is as follows:
thermal conductivity (W/m-stroke K)
Example 1 0.184
Examples2 0.182
Example 3 0.180
According to the GB/T8813-2008 rigid foam compression performance determination method, the compression strength is characterized, and the experimental result of the compression strength is as follows:
compressive Strength (MPa)
Example 1 2.728
Example 2 2.704
Example 3 2.693
The high temperature resistance is characterized according to a GB/T5589-2008 refractories load softening temperature test method, and the heat resistance temperature test results are as follows:
heat resistance temperature (. degree. C.)
Example 1 1505
Example 2 1499
Example 3 1494
The density is characterized according to the test method of the physicochemical properties of the GB T17657-containing 2013 artificial board and the veneer artificial board, and the density test result is as follows:
heat resistance temperature (g/cm)2)
Example 1 0.762
Example 2 0.759
Example 3 0.754
The oxygen index is characterized according to a GB/T2406-1993 plastic combustion performance test method-an oxygen index method, and the oxygen index test result is as follows:
oxygen index (L O L)
Example 1 44.17
Example 2 44.01
Example 3 43.94
The impact strength is characterized by referring to GB/T17657-2013, and the experimental results of the impact strength and the tensile strength are as follows:
impact Strength (KJ/m)2) Tensile Strength (MPa)
Example 1 4.86 426
Example 2 4.64 422
Example 3 4.38 410
The above examples are merely illustrative for clarity and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. The flame-retardant heat-insulation straw color steel plate is characterized in that: the flame-retardant heat-insulation straw color steel plate is composed of a substrate steel, a straw grass core and a paint layer, wherein the substrate steel is a deep-drawing thin steel plate, and the straw grass core is prepared from the following raw materials in parts by mass: 40-80 parts of straw, 1-2 parts of filler, 4-6 parts of weather resistant agent and 5-15 parts of double-component soybean meal protein-based adhesive; the two-component soybean meal protein-based adhesive comprises the following raw materials in parts by mass: 20-30 parts of soybean meal powder and 30-100 parts of composite modified solution.
2. The preparation method of the flame-retardant heat-insulation straw color steel plate as claimed in claim 1, which is characterized by comprising the following steps: the first step is as follows: taking dry and clean straws, and conveying the straws into a blanking device through a conveying and screening device, wherein in the conveying process, the straws are conveyed to an inclined conveyor through a horizontal conveyor, and then conveyed to a stepping screening machine to further loosen and homogenize the straws, and simultaneously, grains, broken grass and sundries in the straws are removed; the second step is that: the straws in the blanking device fall to the front of the punch component from the upper end of the punch forming machine, and the fallen straws are punched forwards through the punch component; in the stamping forming process, adding a filler, a weather-resistant agent and a double-component soybean meal protein-based adhesive while stamping, transversely carding the straws at the upper end of a stamping forming machine through a carding fork, arranging a stamping chamber at the front end of a punch component, and during stamping, the punch component reciprocates to stamp the straws into the stamping chamber in a bunch, and continuously stamping to form a straw plate blank; the third step: the method comprises the following steps of (1) pushing a grass board blank into a hot-pressing forming device from a punch forming machine, firstly entering a front hot-pressing device in the hot-pressing forming device, carrying out hot pressing on the grass board blank by an upper hot plate and a lower hot plate of the front hot-pressing device, brushing a paint layer on the grass board blank by a brushing device after the grass board blank is subjected to hot pressing, then pushing the grass board blank into a rear hot-pressing device forwards, and carrying out hot pressing again; the fourth step: cooling the hot-pressed straw board blank by a cooling belt, conveying the cooled straw board blank into a straw board cutting device, and cutting; cutting, conveying to a sealing machine for sealing, and preparing straw cores; the fifth step: and (3) brushing two-component soybean meal protein-based adhesive on six surfaces of the straw core after the end capping, bonding the deep-drawing thin steel plate, then placing the straw core in a hot-pressing forming device, cooling the straw core after the hot-pressing forming device, and cooling to obtain the finished product.
3. The flame-retardant heat-insulation straw color steel plate as claimed in claim 1, is characterized in that: the straw is rice straw or wheat straw, the water content of the straw is 6-11%, and the rice straw or wheat straw is prepared by three procedures of screening, washing, impurity removal, spraying of insect-proof antibacterial liquid, drying and dehydration; the insect-proof antibacterial liquid is prepared by mixing and decocting 30 parts of artemisia argyi extract, 20 parts of chamomile, 20 parts of cicada slough, 10 parts of tea tree oil and 20 parts of camphor oil, and adding water with the total mass being 8-10 times of the total mass during decoction for 30-50 min; and cooling the decocted solution, adding 80 times of purified water by mass, and uniformly mixing to obtain the spray for use.
4. The flame-retardant heat-insulation straw color steel plate as claimed in claim 1, is characterized in that: the deep-drawing thin steel plate is a stainless steel plate or a hot-dip galvanized plate, and the deep-drawing thin steel plate is subjected to a degreasing process, a washing process and a passivation process.
5. The preparation method of the flame-retardant heat-insulation straw color steel plate according to claim 2, characterized by comprising the following steps: the hot pressing temperature of the front hot pressing device is 190-200 ℃, the hot pressing time is 60-80s, the hot pressing temperature of the rear hot pressing device is 165-175 ℃, and the hot pressing time is 55-65 s.
6. The flame-retardant heat-insulation straw color steel plate as claimed in claim 1, is characterized in that: the filler comprises the following raw materials in parts by weight: 1-2 parts of plasticizer, 20 parts of impact resistance agent, 1-15 parts of toughening agent, 0.5-5 parts of flame retardant, 10-12 parts of corrosion resistant agent, 4-8 parts of curing agent, 0.5-5 parts of coupling agent and 0.5-5 parts of surfactant, wherein the plasticizer is one or more of tri-n-butyl citrate, triethyl acetyl citrate and triethyl citrate, the impact resistance agent is one or more of glass fiber, quartz fiber, aramid fiber, basalt fiber, carbon fiber and phenolic fiber, the toughening agent adopts polyvinyl alcohol toughening agent or polypropylene alcohol toughening agent, the flame retardant adopts one or more of tetrabromobisphenol A, ammonium phosphate, red phosphorus, p-bromobenzaldehyde, diphenylcresol phosphate and melamine, and the corrosion resistant agent is prepared from the following raw materials in parts by mass: 100 parts of vinyl ester resin, 10-12 parts of acetylene-propylene copolymer and 8-10 parts of silicon powder, wherein the curing agent is one or more of phenyl phosphate, methyl benzene sulfonic acid and phosphoric acid, the coupling agent is a silane coupling agent, and the surfactant is sodium dodecyl benzene sulfonate surfactant.
7. The flame-retardant heat-insulation straw color steel plate as claimed in claim 1, is characterized in that: the two-component soybean meal protein-based adhesive comprises the following raw materials in parts by mass: 20-30 parts of soybean meal powder and 30-100 parts of a composite modified solution, wherein the composite modified solution is a mixture of any more of water, oxalic acid, sulfuric acid, sodium hydroxide, phosphoric acid, hydrochloric acid, citric acid, boric acid, urea, an amide polymer, maleic anhydride and polyethyleneimine.
8. The flame-retardant heat-insulation straw color steel plate as claimed in claim 1, is characterized in that: the weather resistant agent comprises the following raw materials in parts by weight: 100 parts of ternary vinyl chloride-vinyl acetate resin, 20-22 parts of propylene-vinyl acetate copolymer and 5-6 parts of ethylene glycol dimethacrylate.
9. The flame-retardant heat-insulation straw color steel plate as claimed in claim 1, is characterized in that: the paint layer comprises the following raw materials in parts by weight: 100 parts of silicon-fluorine modified acrylate, 30-40 parts of TMPTA11-15 parts of n-butyl acrylate, 3-5 parts of calcium carbonate, 4-6 parts of sulfamic acid, 1-3 parts of sodium carboxymethylcellulose, 2-4 parts of ethyl orthosilicate, 2-4 parts of sodium dodecyl sulfate and 0.4-0.6 part of organosilicon water repellent; firstly, putting the silicon-fluorine modified acrylate, TMPTA, n-butyl acrylate, calcium carbonate, sulfamic acid, sodium carboxymethyl cellulose, ethyl orthosilicate, sodium dodecyl sulfate and organosilicon water repellent into a dispersion machine, and dispersing for 30-50min at the dispersion speed of 1800r/min, thus obtaining the paint material.
10. The application of the flame-retardant heat-insulating straw color steel plate in building decoration according to claim 1.
CN202010261678.0A 2020-04-04 2020-04-04 Flame-retardant heat-insulation straw color steel plate and preparation method and application thereof Pending CN111497370A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115609720A (en) * 2022-11-03 2023-01-17 江苏中科睿赛污染控制工程有限公司 Preparation method of high-temperature-resistant straw board

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106182214A (en) * 2016-06-30 2016-12-07 哈尔滨天成顺杰实业有限公司 A kind of high intensity stalk board and preparation method thereof
CN110406196A (en) * 2019-07-12 2019-11-05 浙江圣安化工股份有限公司 A kind of biological material manufactured goods and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106182214A (en) * 2016-06-30 2016-12-07 哈尔滨天成顺杰实业有限公司 A kind of high intensity stalk board and preparation method thereof
CN110406196A (en) * 2019-07-12 2019-11-05 浙江圣安化工股份有限公司 A kind of biological material manufactured goods and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115609720A (en) * 2022-11-03 2023-01-17 江苏中科睿赛污染控制工程有限公司 Preparation method of high-temperature-resistant straw board

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