CN111907169A - A-grade flame-retardant polystyrene heat-insulation template and preparation method thereof - Google Patents
A-grade flame-retardant polystyrene heat-insulation template and preparation method thereof Download PDFInfo
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- CN111907169A CN111907169A CN201910375987.8A CN201910375987A CN111907169A CN 111907169 A CN111907169 A CN 111907169A CN 201910375987 A CN201910375987 A CN 201910375987A CN 111907169 A CN111907169 A CN 111907169A
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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
- B32B5/18—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 features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B13/045—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
-
- 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
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
- B32B3/02—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 features of form at particular places, e.g. in edge regions
- B32B3/08—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 features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—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 features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a 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
- 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
- B32B5/245—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 being a foam 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/34—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
- C04B28/344—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders the phosphate binder being present in the starting composition solely as one or more phosphates
-
- 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
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0221—Vinyl resin
- B32B2266/0228—Aromatic vinyl resin, e.g. styrenic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
Abstract
The invention relates to the technical field of composite boards, in particular to an A-grade flame-retardant polystyrene heat-insulation template which comprises a polystyrene board and a casting slurry between the polystyrene board, wherein the casting slurry comprises 100 parts by weight of water, 5-20 parts by weight of a binder, 20-50 parts by weight of a hydroxide flame retardant, 5-20 parts by weight of a silicate char forming agent and 0.5-5 parts by weight of a foaming agent. The invention also comprises a preparation method of the A-grade flame-retardant polystyrene heat-insulation template, which comprises the steps of preparing the casting slurry and bonding and pressing the plates, wherein the bonding agent comprises the following components: 5-15 parts of aerogel matrix, 0-10 parts of aerogel cross-linking agent, 10-50 parts of nano clay, 15-30 parts of aluminum dihydrogen phosphate and 15-30 parts of silica sol. The invention adopts water, adhesive, fire retardant, char forming agent and foaming agent to form pouring slurry, which is used for bonding each layer of plate, thus having high-efficiency flame-retardant effect and improving safety.
Description
Technical Field
The invention relates to the technical field of composite boards, in particular to an A-level flame-retardant polystyrene heat-insulation template and a preparation method thereof.
Background
The high polymer foam material has excellent comprehensive performance, and has the advantages of light weight, high specific strength, chemical corrosion resistance, heat preservation, heat insulation, sound absorption, noise reduction, shock absorption, softness, insulation, easiness in processing and high cost performance. Currently, the most important polymer foam materials are expandable polystyrene foam (EPS), extruded polystyrene foam (XPS), polyurethane foam (PU), polyvinyl chloride foam (PVC), and the like. In China, expandable polystyrene foam is a foam variety with the largest use amount, the total production and consumption amount is the first world, 2011, the total domestic EPS production amount breaks through 475 ten thousand tons and accounts for more than 75% of the global market. The EPS foam is a foam material formed by bonding hard closed-cell foam particles together, has the advantages of low density, good water resistance, sound absorption and heat insulation, low price and the like, and is mainly used in the fields of heat insulation of building walls and roofs, refrigeration, heat insulation of vehicles and ships and the like.
Polystyrene board, also known as foam board and EPS board is a white object which is made up by using expandable polystyrene beads containing volatile liquid foaming agent through the processes of heating, prefoaming and heating-forming in mould, and has the structural characteristics of microfine closed pores, so that it is mainly used for building wall body, roof heat-insulating, composite board heat-insulating, cold storage, air-conditioner, vehicle and ship heat-insulating, floor heating and decorative carving, etc. In the prior art, the polystyrene board has no flame retardant effect, easily causes fire and has low safety.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an A-grade flame-retardant polystyrene heat-insulating template and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a designed A-level flame-retardant polystyrene heat-insulation template comprises a substrate and a casting slurry between the substrate, wherein the substrate is a polystyrene plate or a graphite polystyrene plate, the casting slurry comprises 100 parts by weight of water, 5-20 parts by weight of a binder, 20-50 parts by weight of a hydroxide flame retardant, 5-20 parts by weight of a silicate char forming agent and 0.5-5 parts by weight of a foaming agent.
The invention also comprises a preparation method of the A-grade flame-retardant polystyrene heat-insulation template, which comprises the steps of preparing the casting slurry and bonding and pressing the plates, wherein the bonding agent comprises the following components: 5-15 parts of aerogel matrix, 0-10 parts of aerogel cross-linking agent, 10-50 parts of nano clay, 15-30 parts of aluminum dihydrogen phosphate and 15-30 parts of silica sol.
Preferably, the aerogel cross-linking agent is one or more of aluminum dihydrogen phosphate, calcium chloride, potassium chloride, sodium chloride, glutaraldehyde, epichlorohydrin or borax.
Preferably, the nano clay is at least one of montmorillonite, kaolinite, sepiolite, vermiculite, palygorskite and rectorite; the halogen-free flame retardant is at least one of magnesium hydroxide, aluminum hydroxide, expandable graphite, carbon black, melamine, red phosphorus, microcapsule-coated red phosphorus, aluminum hypophosphite, ammonium polyphosphate, isobutyl aluminum hypophosphite, phenyl isobutyl aluminum hypophosphite, diethyl aluminum hypophosphite, triethyl phosphate, tripropyl phosphate, tributyl phosphate and trioctyl phosphate.
Preferably, the aerogel matrix is at least one of sodium alginate, ammonium alginate, potassium alginate, PVA, pectin, chitosan, silica, melamine formaldehyde resin, natural rubber, epoxy compounds, polyacrylamide, polyethylene oxide, and methyl cellulose.
Preferably, the flame retardant of the hydroxide type is at least one of magnesium hydroxide and aluminum hydroxide.
Preferably, the silicate-based char-forming agent is PEPA trimethylsilylate.
Preferably, the foaming agent is sodium lauryl sulfate.
Preferably, the preparation method of the slurry comprises the following steps:
s1, adding 2 parts of organic silicon waterproof agent into 100 parts of water at normal temperature, and stirring for 4 minutes at the rotating speed of 400 r/min;
s2, adding aerogel, stirring for 8 minutes at 400r/min, adding aluminum dihydrogen phosphate, stirring for 8 minutes at 400r/min, adding silica sol, and stirring for 8 minutes at 400 r/min;
s3, adding sodium dodecyl sulfate, and stirring at the rotating speed of 400r/min for 8 minutes; and then stirring is continued, magnesium hydroxide and aluminum hydroxide are sequentially added and stirred for 20 minutes, montmorillonite is added and stirred for 15 minutes, and the slurry is prepared.
Preferably, the bonding and pressing of the panels comprises the following steps:
a1, bonding slurry for each layer of the board;
a2, adding 0.75kg water to 1kg magnesium sulfate, stirring to obtain solution, adding 1.3kg solution to 1kg magnesium oxide to obtain binder;
a3, coating adhesive between each layer of boards, spreading mesh cloth, pressing, solidifying for 24 hours, and using the same adhesive and mesh cloth to make two-side covers, or using cement mortar and auxiliary agent and mesh cloth as the cover adhesive.
The invention provides an A-level flame-retardant polystyrene heat-insulation template and a preparation method thereof, and the A-level flame-retardant polystyrene heat-insulation template has the beneficial effects that:
1. the invention adopts water, adhesive, fire retardant, char forming agent and foaming agent to form pouring slurry, which is used for bonding each layer of board, the structure is compact, each layer of board is tightly jointed, the structure strength is high, the fire retardant effect is good, and the composite board can be effectively prevented from layering.
2. The proportion of all ingredients is reasonable, various performances of the composite board finished product can be obviously improved, and the composite board has wide material selection range and wide application range;
3. the production process is simple and easy to implement, the production efficiency can be improved, all materials are reasonably utilized in the production process, no pollutant is generated, the energy is saved, the environment is protected, the prepared finished composite board has a high-efficiency flame-retardant effect, the flame retardance reaches A level, and the safety is improved;
4. the invention combines the heat preservation performance of the polystyrene board, and improves on the basis, so as to prepare the composite board with flame retardant performance, and compared with the prior art, the composite board has obvious progress;
5. the invention also has the following advantages: the traditional pouring process needs to reinforce the wood plate and the hinge plate on the strut, then pour concrete, remove the clamp after solidification, and attach the heat preservation template; only need carry out fixed connection to the heat preservation template now, directly carry out concrete placement, once take shape, practice thrift the plank material, the environmental protection can not produce the plank floating dust in the construction, accords with the requirement of national environmental protection policy.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1
A designed A-level flame-retardant polystyrene heat-insulation template comprises a substrate and a casting slurry between the substrate, wherein the substrate is a polystyrene plate or a graphite polystyrene plate, the casting slurry comprises 100 parts by weight of water, 5 parts by weight of a binder, 20 parts by weight of a hydroxide flame retardant, 5 parts by weight of a silicate char forming agent and 0.5 part by weight of a foaming agent.
The invention also comprises a preparation method of the A-grade flame-retardant polystyrene heat-insulation template, which comprises the steps of preparing the casting slurry and bonding and pressing the plates, wherein the bonding agent comprises the following components: 5 parts of aerogel matrix, 10 parts of nano clay, 15 parts of aluminum dihydrogen phosphate and 15 parts of silica sol.
The aerogel cross-linking agent is a mixture of aluminum dihydrogen phosphate, calcium chloride, potassium chloride, sodium chloride, glutaraldehyde, epichlorohydrin or borax. The nano clay is a mixture of montmorillonite, kaolinite, sepiolite, vermiculite, palygorskite and rectorite;
the halogen-free flame retardant is a mixture of magnesium hydroxide, aluminum hydroxide, expandable graphite, carbon black, melamine, red phosphorus, microcapsule-coated red phosphorus, aluminum hypophosphite, ammonium polyphosphate, isobutyl aluminum hypophosphite, phenyl isobutyl aluminum hypophosphite, diethyl aluminum hypophosphite, triethyl phosphate, tripropyl phosphate, tributyl phosphate and trioctyl phosphate.
The aerogel matrix is a mixture of sodium alginate, ammonium alginate, potassium alginate, PVA, pectin, chitosan, silicon dioxide, melamine formaldehyde resin, natural rubber, epoxy compounds, polyacrylamide, polyethylene oxide and methyl cellulose. The hydroxide flame retardant is magnesium hydroxide. The silicate charring agent is trimethyl silicic acid PEPA ester. The foaming agent is sodium dodecyl sulfate.
The preparation method of the slurry comprises the following steps: the raw materials are measured by a powdery material measuring scale before preparation, conveyed by a screw conveyer and measured by a water measuring system.
S1, adding 2 parts of organosilicon waterproofing agent into 100 parts of water at normal temperature, stirring by a double-shaft stirrer with the power of 11 KW, and stirring for 4 minutes at the rotating speed of 400 r/min;
s2, adding aerogel, stirring for 8 minutes at 400r/min, adding aluminum dihydrogen phosphate, stirring for 8 minutes at 400r/min, adding silica sol, and stirring for 8 minutes at 400 r/min;
s3, adding sodium dodecyl sulfate, and stirring at the rotating speed of 400r/min for 8 minutes; and then stirring is continued, magnesium hydroxide and aluminum hydroxide are sequentially added and stirred for 20 minutes, montmorillonite is added and stirred for 15 minutes, and the slurry is prepared.
The bonding and pressing of the plates comprises the following steps:
a1, bonding slurry for each layer of the board;
a2, adding 0.75kg water to 1kg magnesium sulfate, stirring to obtain solution, adding 1.3kg solution to 1kg magnesium oxide to obtain binder;
a3, coating adhesive between each layer of boards, spreading mesh cloth, pressing, solidifying for 24 hours, and using the same adhesive and mesh cloth to make two-side covers, or using cement mortar and auxiliary agent and mesh cloth as the cover adhesive.
The heat preservation template prepared by the invention also has the following advantages: the traditional pouring process needs to reinforce the wood plate and the hinge plate on the strut, then pour concrete, remove the clamp after solidification, and attach the heat preservation template; only need carry out fixed connection to the heat preservation template now, directly carry out concrete placement, once take shape, practice thrift the plank material, the environmental protection can not produce the plank floating dust in the construction, accords with the requirement of national environmental protection policy.
Example 2
A designed A-level flame-retardant polystyrene heat-insulation template comprises a substrate and a casting slurry between the substrate, wherein the substrate is a polystyrene plate or a graphite polystyrene plate, the casting slurry comprises 100 parts by weight of water, 7 parts by weight of a binder, 25 parts by weight of a hydroxide flame retardant, 10 parts by weight of a silicate char forming agent and 1 part by weight of a foaming agent.
The invention also comprises a preparation method of the A-grade flame-retardant polystyrene heat-insulation template, which comprises the steps of preparing the casting slurry and bonding and pressing the plates, wherein the bonding agent comprises the following components: 8 parts of aerogel matrix, 2 parts of aerogel crosslinking agent, 15 parts of nano clay, 18 parts of aluminum dihydrogen phosphate and 18 parts of silica sol.
The aerogel cross-linking agent is a mixture of aluminum dihydrogen phosphate, calcium chloride, potassium chloride, sodium chloride, glutaraldehyde, epichlorohydrin or borax.
The nano clay is a mixture of montmorillonite, kaolinite, sepiolite, vermiculite, palygorskite and rectorite; the halogen-free flame retardant is a mixture of magnesium hydroxide, aluminum hydroxide, expandable graphite, carbon black, melamine, red phosphorus, microcapsule-coated red phosphorus, aluminum hypophosphite, ammonium polyphosphate, isobutyl aluminum hypophosphite, phenyl isobutyl aluminum hypophosphite, diethyl aluminum hypophosphite, triethyl phosphate, tripropyl phosphate, tributyl phosphate and trioctyl phosphate.
The aerogel matrix is a mixture of sodium alginate, ammonium alginate, potassium alginate, PVA, pectin, chitosan, silicon dioxide, melamine formaldehyde resin, natural rubber, epoxy compounds, polyacrylamide, polyethylene oxide and methyl cellulose. The hydroxide flame retardant is a mixture of magnesium hydroxide and aluminum hydroxide. The silicate charring agent is trimethyl silicic acid PEPA ester. The foaming agent is sodium dodecyl sulfate.
The preparation method of the slurry comprises the following steps: the raw materials are measured by a powdery material measuring scale before preparation, conveyed by a screw conveyer and measured by a water measuring system.
S1, adding 2 parts of organosilicon waterproofing agent into 100 parts of water at normal temperature, stirring by a double-shaft stirrer with the power of 11 KW, and stirring for 4 minutes at the rotating speed of 400 r/min;
s2, adding aerogel, stirring for 8 minutes at 400r/min, adding aluminum dihydrogen phosphate, stirring for 8 minutes at 400r/min, adding silica sol, and stirring for 8 minutes at 400 r/min;
s3, adding sodium dodecyl sulfate, and stirring at the rotating speed of 400r/min for 8 minutes; and then stirring is continued, magnesium hydroxide and aluminum hydroxide are sequentially added and stirred for 20 minutes, montmorillonite is added and stirred for 15 minutes, and the slurry is prepared.
The bonding and pressing of the plates comprises the following steps:
a1, bonding slurry for each layer of the board;
a2, adding 0.75kg water to 1kg magnesium sulfate, stirring to obtain solution, adding 1.3kg solution to 1kg magnesium oxide to obtain binder;
a3, coating adhesive between each layer of boards, spreading mesh cloth, pressing, solidifying for 24 hours, and using the same adhesive and mesh cloth to make two-side covers, or using cement mortar and auxiliary agent and mesh cloth as the cover adhesive.
The heat preservation template prepared by the invention also has the following advantages: the traditional pouring process needs to reinforce the wood plate and the hinge plate on the strut, then pour concrete, remove the clamp after solidification, and attach the heat preservation template; only need carry out fixed connection to the heat preservation template now, directly carry out concrete placement, once take shape, practice thrift the plank material, the environmental protection can not produce the plank floating dust in the construction, accords with the requirement of national environmental protection policy.
Example 3
A designed A-level flame-retardant polystyrene heat-insulation template comprises a substrate and a casting slurry between the substrate, wherein the substrate is a polystyrene plate or a graphite polystyrene plate, the casting slurry comprises 100 parts by weight of water, 12 parts by weight of a binder, 30 parts by weight of a hydroxide flame retardant, 10 parts by weight of a silicate char forming agent and 2 parts by weight of a foaming agent.
The invention also comprises a preparation method of the A-grade flame-retardant polystyrene heat-insulation template, which comprises the steps of preparing the casting slurry and bonding and pressing the plates, wherein the bonding agent comprises the following components: 10 parts of aerogel matrix, 5 parts of aerogel crosslinking agent, 20 parts of nano clay, 20 parts of aluminum dihydrogen phosphate and 20 parts of silica sol.
The aerogel cross-linking agent is a mixture of aluminum dihydrogen phosphate, calcium chloride, potassium chloride, sodium chloride, glutaraldehyde, epichlorohydrin or borax. The nano clay is a mixture of montmorillonite, kaolinite, sepiolite, vermiculite, palygorskite and rectorite;
the halogen-free flame retardant is a mixture of magnesium hydroxide, aluminum hydroxide, expandable graphite, carbon black, melamine, red phosphorus, microcapsule-coated red phosphorus, aluminum hypophosphite, ammonium polyphosphate, isobutyl aluminum hypophosphite, phenyl isobutyl aluminum hypophosphite, diethyl aluminum hypophosphite, triethyl phosphate, tripropyl phosphate, tributyl phosphate and trioctyl phosphate.
The aerogel matrix is a mixture of sodium alginate, ammonium alginate, potassium alginate, PVA, pectin, chitosan, silicon dioxide, melamine formaldehyde resin, natural rubber, epoxy compounds, polyacrylamide, polyethylene oxide and methyl cellulose. The hydroxide flame retardant is a mixture of magnesium hydroxide and aluminum hydroxide. The silicate charring agent is trimethyl silicic acid PEPA ester. The foaming agent is sodium dodecyl sulfate.
The preparation method of the slurry comprises the following steps: the raw materials are measured by a powdery material measuring scale before preparation, conveyed by a screw conveyer and measured by a water measuring system.
S1, adding 2 parts of organosilicon waterproofing agent into 100 parts of water at normal temperature, stirring by a double-shaft stirrer with the power of 11 KW, and stirring for 4 minutes at the rotating speed of 400 r/min;
s2, adding aerogel, stirring for 8 minutes at 400r/min, adding aluminum dihydrogen phosphate, stirring for 8 minutes at 400r/min, adding silica sol, and stirring for 8 minutes at 400 r/min;
s3, adding sodium dodecyl sulfate, and stirring at the rotating speed of 400r/min for 8 minutes; and then stirring is continued, magnesium hydroxide and aluminum hydroxide are sequentially added and stirred for 20 minutes, montmorillonite is added and stirred for 15 minutes, and the slurry is prepared.
The bonding and pressing of the plates comprises the following steps:
a1, bonding slurry for each layer of the board;
a2, adding 0.75kg water to 1kg magnesium sulfate, stirring to obtain solution, adding 1.3kg solution to 1kg magnesium oxide to obtain binder;
a3, coating adhesive between each layer of boards, spreading mesh cloth, pressing, solidifying for 24 hours, and using the same adhesive and mesh cloth to make two-side covers, or using cement mortar and auxiliary agent and mesh cloth as the cover adhesive.
The heat preservation template prepared by the invention also has the following advantages: the traditional pouring process needs to reinforce the wood plate and the hinge plate on the strut, then pour concrete, remove the clamp after solidification, and attach the heat preservation template; only need carry out fixed connection to the heat preservation template now, directly carry out concrete placement, once take shape, practice thrift the plank material, the environmental protection can not produce the plank floating dust in the construction, accords with the requirement of national environmental protection policy.
Example 4
A designed A-level flame-retardant polystyrene heat-insulation template comprises a substrate and a casting slurry between the substrate, wherein the substrate is a polystyrene plate or a graphite polystyrene plate, the casting slurry comprises 100 parts by weight of water, 18 parts by weight of a binder, 40 parts by weight of a hydroxide flame retardant, 15 parts by weight of a silicate charring agent and 4 parts by weight of a foaming agent.
The invention also comprises a preparation method of the A-grade flame-retardant polystyrene heat-insulation template, which comprises the steps of preparing the casting slurry and bonding and pressing the plates, wherein the bonding agent comprises the following components: 12 parts of aerogel matrix, 8 parts of aerogel crosslinking agent, 40 parts of nano clay, 25 parts of aluminum dihydrogen phosphate and 25 parts of silica sol.
The aerogel cross-linking agent is one or more of aluminum dihydrogen phosphate, calcium chloride, potassium chloride, sodium chloride, glutaraldehyde, epichlorohydrin or borax. The nano clay is a mixture of montmorillonite, kaolinite, sepiolite, vermiculite, palygorskite and rectorite;
the halogen-free flame retardant is a mixture of magnesium hydroxide, aluminum hydroxide, expandable graphite, carbon black, melamine, red phosphorus, microcapsule-coated red phosphorus, aluminum hypophosphite, ammonium polyphosphate, isobutyl aluminum hypophosphite, phenyl isobutyl aluminum hypophosphite, diethyl aluminum hypophosphite, triethyl phosphate, tripropyl phosphate, tributyl phosphate and trioctyl phosphate.
The aerogel matrix is a mixture of sodium alginate, ammonium alginate, potassium alginate, PVA, pectin, chitosan, silicon dioxide, melamine formaldehyde resin, natural rubber, epoxy compounds, polyacrylamide, polyethylene oxide and methyl cellulose.
The hydroxide flame retardant is a mixture of magnesium hydroxide and aluminum hydroxide. The silicate charring agent is trimethyl silicic acid PEPA ester. The foaming agent is sodium dodecyl sulfate.
The preparation method of the slurry comprises the following steps: the raw materials are measured by a powdery material measuring scale before preparation, conveyed by a screw conveyer and measured by a water measuring system.
S1, adding 2 parts of organosilicon waterproofing agent into 100 parts of water at normal temperature, stirring by a double-shaft stirrer with the power of 11 KW, and stirring for 4 minutes at the rotating speed of 400 r/min;
s2, adding aerogel, stirring for 8 minutes at 400r/min, adding aluminum dihydrogen phosphate, stirring for 8 minutes at 400r/min, adding silica sol, and stirring for 8 minutes at 400 r/min;
s3, adding sodium dodecyl sulfate, and stirring at the rotating speed of 400r/min for 8 minutes; and then stirring is continued, magnesium hydroxide and aluminum hydroxide are sequentially added and stirred for 20 minutes, montmorillonite is added and stirred for 15 minutes, and the slurry is prepared.
The bonding and pressing of the plates comprises the following steps:
a1, bonding slurry for each layer of the board;
a2, adding 0.75kg water to 1kg magnesium sulfate, stirring to obtain solution, adding 1.3kg solution to 1kg magnesium oxide to obtain binder;
a3, coating adhesive between each layer of boards, spreading mesh cloth, pressing, solidifying for 24 hours, and using the same adhesive and mesh cloth to make two-side covers, or using cement mortar and auxiliary agent and mesh cloth as the cover adhesive.
The heat preservation template prepared by the invention also has the following advantages: the traditional pouring process needs to reinforce the wood plate and the hinge plate on the strut, then pour concrete, remove the clamp after solidification, and attach the heat preservation template; only need carry out fixed connection to the heat preservation template now, directly carry out concrete placement, once take shape, practice thrift the plank material, the environmental protection can not produce the plank floating dust in the construction, accords with the requirement of national environmental protection policy.
Example 5
A designed A-level flame-retardant polystyrene heat-insulation template comprises a substrate and a casting slurry between the substrate, wherein the substrate is a polystyrene plate or a graphite polystyrene plate, the casting slurry comprises 100 parts by weight of water, 20 parts by weight of a binder, 50 parts by weight of a hydroxide flame retardant, 20 parts by weight of a silicate char forming agent and 5 parts by weight of a foaming agent.
The invention also comprises a preparation method of the A-grade flame-retardant polystyrene heat-insulation template, which comprises the steps of preparing the casting slurry and bonding and pressing the plates, wherein the bonding agent comprises the following components: 15 parts of aerogel matrix, 10 parts of aerogel cross-linking agent, 50 parts of nano clay, 30 parts of aluminum dihydrogen phosphate and 30 parts of silica sol.
The aerogel cross-linking agent is a mixture of aluminum dihydrogen phosphate, calcium chloride, potassium chloride, sodium chloride, glutaraldehyde, epichlorohydrin or borax.
The nano clay is a mixture of montmorillonite, kaolinite, sepiolite, vermiculite, palygorskite and rectorite; the halogen-free flame retardant is a mixture of magnesium hydroxide, aluminum hydroxide, expandable graphite, carbon black, melamine, red phosphorus, microcapsule-coated red phosphorus, aluminum hypophosphite, ammonium polyphosphate, isobutyl aluminum hypophosphite, phenyl isobutyl aluminum hypophosphite, diethyl aluminum hypophosphite, triethyl phosphate, tripropyl phosphate, tributyl phosphate and trioctyl phosphate.
The aerogel matrix is a mixture of sodium alginate, ammonium alginate, potassium alginate, PVA, pectin, chitosan, silicon dioxide, melamine formaldehyde resin, natural rubber, epoxy compounds, polyacrylamide, polyethylene oxide and methyl cellulose.
The hydroxide flame retardant is a mixture of magnesium hydroxide and aluminum hydroxide. The silicate charring agent is trimethyl silicic acid PEPA ester. The foaming agent is sodium dodecyl sulfate.
The preparation method of the slurry comprises the following steps:
s1, adding 2 parts of organosilicon waterproofing agent into 100 parts of water at normal temperature, stirring by a double-shaft stirrer with the power of 11 KW, and stirring for 4 minutes at the rotating speed of 400 r/min;
s2, adding aerogel, stirring for 8 minutes at 400r/min, adding aluminum dihydrogen phosphate, stirring for 8 minutes at 400r/min, adding silica sol, and stirring for 8 minutes at 400 r/min;
s3, adding sodium dodecyl sulfate, and stirring at the rotating speed of 400r/min for 8 minutes; and then stirring is continued, magnesium hydroxide and aluminum hydroxide are sequentially added and stirred for 20 minutes, montmorillonite is added and stirred for 15 minutes, and the slurry is prepared.
The bonding and pressing of the plates comprises the following steps:
a1, bonding slurry for each layer of the board;
a2, adding 0.75kg water to 1kg magnesium sulfate, stirring to obtain solution, adding 1.3kg solution to 1kg magnesium oxide to obtain binder;
a3, coating adhesive between each layer of boards, spreading mesh cloth, pressing, solidifying for 24 hours, and using the same adhesive and mesh cloth to make two-side covers, or using cement mortar and auxiliary agent and mesh cloth as the cover adhesive.
The heat preservation template prepared by the invention also has the following advantages: the traditional pouring process needs to reinforce the wood plate and the hinge plate on the strut, then pour concrete, remove the clamp after solidification, and attach the heat preservation template; only need carry out fixed connection to the heat preservation template now, directly carry out concrete placement, once take shape, practice thrift the plank material, the environmental protection can not produce the plank floating dust in the construction, accords with the requirement of national environmental protection policy.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The A-level flame-retardant polystyrene heat-insulation template is characterized by comprising a substrate and a casting slurry between the substrate, wherein the substrate is a polystyrene plate or a graphite polystyrene plate, the casting slurry comprises 100 parts by weight of water, 5-20 parts by weight of a binder, 20-50 parts by weight of a hydroxide flame retardant, 5-20 parts by weight of a silicate char forming agent and 0.5-5 parts by weight of a foaming agent.
2. The preparation method of the A-level flame-retardant polystyrene heat-preservation template according to claim 1, which is characterized by comprising the following steps of: the method comprises the steps of preparing pouring slurry and bonding and pressing the plates, wherein the bonding agent comprises the following components: 5-15 parts of aerogel matrix, 0-10 parts of aerogel cross-linking agent, 10-50 parts of nano clay, 15-30 parts of aluminum dihydrogen phosphate and 15-30 parts of silica sol.
3. The preparation method of the A-level flame-retardant polystyrene heat-preservation template according to claim 2, which is characterized by comprising the following steps of: the aerogel cross-linking agent is one or more of aluminum dihydrogen phosphate, calcium chloride, potassium chloride, sodium chloride, glutaraldehyde, epichlorohydrin or borax.
4. The preparation method of the A-level flame-retardant polystyrene heat-preservation template according to claim 2, which is characterized by comprising the following steps of: the nano clay is at least one of montmorillonite, kaolinite, sepiolite, vermiculite, palygorskite and rectorite; the halogen-free flame retardant is at least one of magnesium hydroxide, aluminum hydroxide, expandable graphite, carbon black, melamine, red phosphorus, microcapsule-coated red phosphorus, aluminum hypophosphite, ammonium polyphosphate, isobutyl aluminum hypophosphite, phenyl isobutyl aluminum hypophosphite, diethyl aluminum hypophosphite, triethyl phosphate, tripropyl phosphate, tributyl phosphate and trioctyl phosphate.
5. The preparation method of the A-level flame-retardant polystyrene heat-preservation template according to claim 2, which is characterized by comprising the following steps of: the aerogel matrix is at least one of sodium alginate, ammonium alginate, potassium alginate, PVA, pectin, chitosan, silicon dioxide, melamine formaldehyde resin, natural rubber, epoxy compound, polyacrylamide, polyethylene oxide and methyl cellulose.
6. The preparation method of the A-level flame-retardant polystyrene heat-preservation template according to claim 1, which is characterized by comprising the following steps of: the hydroxide flame retardant is at least one of magnesium hydroxide and aluminum hydroxide.
7. The preparation method of the A-level flame-retardant polystyrene heat-preservation template according to claim 1, which is characterized by comprising the following steps of: the silicate charring agent is trimethyl silicic acid PEPA ester.
8. The preparation method of the A-level flame-retardant polystyrene heat-preservation template according to claim 1, which is characterized by comprising the following steps of: the foaming agent is sodium dodecyl sulfate.
9. The preparation method of the A-grade flame-retardant polystyrene heat-preservation template as claimed in claim 1, wherein the preparation method of the slurry comprises the following steps:
s1, adding 2 parts of organic silicon waterproof agent into 100 parts of water at normal temperature, and stirring for 4 minutes at the rotating speed of 400 r/min;
s2, adding aerogel, stirring for 8 minutes at 400r/min, adding aluminum dihydrogen phosphate, stirring for 8 minutes at 400r/min, adding silica sol, and stirring for 8 minutes at 400 r/min;
s3, adding sodium dodecyl sulfate, and stirring at the rotating speed of 400r/min for 8 minutes; and then stirring is continued, magnesium hydroxide and aluminum hydroxide are sequentially added and stirred for 20 minutes, montmorillonite is added and stirred for 15 minutes, and the slurry is prepared.
10. The preparation method of the A-level flame-retardant polystyrene heat-preservation template as claimed in claim 1, wherein the bonding and pressing of the plates comprises the following steps:
a1, bonding slurry for each layer of the board;
a2, adding 0.75kg water to 1kg magnesium sulfate, stirring to obtain solution, adding 1.3kg solution to 1kg magnesium oxide to obtain binder;
a3, coating adhesive between each layer of boards, spreading mesh cloth, pressing, solidifying for 24 hours, and using the same adhesive and mesh cloth to make two-side covers, or using cement mortar and auxiliary agent and mesh cloth as the cover adhesive.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114230306A (en) * | 2021-12-22 | 2022-03-25 | 舒城诚鑫建材有限公司 | Production process of dual-machine mixed aerogel graphite integrated insulation board |
| CN115872769A (en) * | 2022-11-03 | 2023-03-31 | 常州大学 | Method for preparing block ceramic aerogel with good heat insulation and electromagnetic shielding performance by using waste lead-acid battery anode material at low temperature |
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| CN103758236A (en) * | 2014-01-20 | 2014-04-30 | 北京雅达润邦建筑材料有限公司 | Heat-insulation fire-proof plate, manufacturing method for same and production equipment for the heat-insulation fire-proof plate |
| CN103980624A (en) * | 2014-05-19 | 2014-08-13 | 四川大学 | Halogen-free flame-retardant polystyrene foam composite material and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103758236A (en) * | 2014-01-20 | 2014-04-30 | 北京雅达润邦建筑材料有限公司 | Heat-insulation fire-proof plate, manufacturing method for same and production equipment for the heat-insulation fire-proof plate |
| CN103980624A (en) * | 2014-05-19 | 2014-08-13 | 四川大学 | Halogen-free flame-retardant polystyrene foam composite material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114230306A (en) * | 2021-12-22 | 2022-03-25 | 舒城诚鑫建材有限公司 | Production process of dual-machine mixed aerogel graphite integrated insulation board |
| CN115872769A (en) * | 2022-11-03 | 2023-03-31 | 常州大学 | Method for preparing block ceramic aerogel with good heat insulation and electromagnetic shielding performance by using waste lead-acid battery anode material at low temperature |
| CN115872769B (en) * | 2022-11-03 | 2023-11-14 | 常州大学 | Method for preparing heat-insulating and electromagnetic shielding block ceramic aerogel by utilizing waste lead acid battery anode material at low temperature |
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Application publication date: 20201110 |