CN105965988A - Insulation flame-retardation composite material and preparation method thereof - Google Patents
Insulation flame-retardation composite material and preparation method thereof Download PDFInfo
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- CN105965988A CN105965988A CN201610297502.4A CN201610297502A CN105965988A CN 105965988 A CN105965988 A CN 105965988A CN 201610297502 A CN201610297502 A CN 201610297502A CN 105965988 A CN105965988 A CN 105965988A
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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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
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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
- B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
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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
- B32B29/00—Layered products comprising a layer of paper or cardboard
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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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- 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
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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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/042—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular 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 wood
-
- 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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/08—Animal fibres, e.g. hair, wool, silk
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/108—Rockwool fibres
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
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- Thermal Insulation (AREA)
Abstract
The invention discloses an insulation flame-retardation composite material. The insulation flame-retardation composite material comprises fiber materials and aerogel between the fiber materials. The fiber materials comprise one or more of natural fibers, mineral wool and wood fibers. The insulation flame-retardation composite material comprises 80wt% of the aerogel. The aerogel has porosity higher than 75% and bulk density of 50-120kg. The preparation method comprises adding the aerogel with an organic adhesive into the fiber material and compacting the fiber material with the aerogel to obtain a compact fibrous material which is the insulation flame-retardation composite material. The insulation flame-retardation composite material has fiber material advantages of insulation, flame retardation, heat insulation and sound insulation, is convenient for material transport, cutting and storage, resists heat and moisture, can be easily processed at construction site, has high cost benefits and is usually used for building parts, technical units, heating systems and vehicle insulation.
Description
Technical field
The present invention relates to composite of a kind of flame-resistant insulation and preparation method thereof.
Background technology
Heat insulation and the deadener kind being currently known is extensive, and polymer fiber, resin and foam, based on ore deposit
The material that thing is cotton, such as glass cotton, rock wool, mineral wool, also include wood wool and material based on vacuum,
These are materials most frequently used in sound insulation and thermal insulation applications.Insulating efficiency is typically leading by material
Hot coefficient lambda determines, it is the physical characteristic of material self, determines the conventional thermal barrier performance of material.
Such as, the heat conductivity of the mineral fibres of a certain kind is 0.035W/m.K.Additionally, the heat conduction resistance of material
Power describes the heat-insulating efficiency that material is special, and increases along with the increase of material thickness.Such as, 20 lis
The mineral fiber tilesn of a certain kind that rice is thick, has more preferable heat-insulating efficiency than the same type of material of 10 cm thicks.
Therefore, the heat insulation and soundproof efficiency of all materials is relevant with the kind of material, shape and thickness.
Aeroge is considered to have outstanding insulation attribute, but the most disposable and expensive.Therefore,
In some products, this aerogel-like can be mixed in Polyester Fibers.But, these contain airsetting
The material of glue is because of the most disposable, particularly in terms of cutting and molding, the most imperfect.Additionally,
Polyester fiber contains unsoundness and environment hidden danger, therefore to need to limit to use, and this kind of material manufacture process
Expensive.
Summary of the invention
For solving above-mentioned technical problem, the present invention provides a kind of heat-insulating sound-insulating being easily handled and have improvement
Flame-resistant insulation composite of attribute and preparation method thereof.
The composite of a kind of flame-resistant insulation, including fibrous material, is embedded with gas between described fibrous material
Gel, the specification of described composite is 10-400mm, and bulk density is 5-300kg/m3；Described fiber
Material includes one or more in natural fiber, mineral wool, wood wool；Described aeroge is described compound
Weight accounting in material is no more than 80%, and the porosity of described aeroge is more than 75%, bulk density
For 50-120kg, surface area is more than 500m2/ g, particle diameter is 10nm-10mm, when thermal conductivity is 25 DEG C
Less than 0.030W/m.k.
The composite of the application comprises fibrous material and aeroge, and both process and insulation effect at material
Upper synergism.The application can be attached to other function material as stabilized zone, puigging or similar layer
Panel layer on material, such as in laminate.The fibrous material of the technical program includes any length and thickness
The continuous filament yarn of degree, preferably in the way of being interweaved, thus forms the space between framework and framework.
As preferred technical scheme, the specification of described composite is 20-300mm, and bulk density is
10-280kg/m3；Described aeroge weight accounting in described composite is no more than 60%, described
The porosity of aeroge is more than 80%, and particle diameter is 20nm-5mm, and thermal conductivity is to be less than when 25 DEG C
0.028W/m.k。
As preferred technical scheme, the specification of described composite is 30-250mm, and bulk density is
30-220kg/m3；Described aeroge weight accounting in described composite is no more than 40%, described
The porosity of aeroge is more than 85%, and particle diameter is 100nm-2mm, and thermal conductivity is to be less than when 25 DEG C
0.025W/m.k。
As preferred technical scheme, the specification of described composite is 40-200mm, and bulk density is
50-200kg/m3；Described aeroge weight accounting in described composite is no more than 20%, described
The porosity of aeroge is more than 90%, and particle diameter is 1000nm-1mm, and thermal conductivity is to be less than when 25 DEG C
0.020W/m.k。
As preferred technical scheme, described natural fiber includes the one in Plant fiber or animal fiber
Or two kinds；Described mineral wool includes that natural mineral fiber is cotton, man-made mineral fiber is cotton or metal-oxide is fine
One or more in vinylon and cotton blend, the bulk density of described mineral wool is 5-250kg/m3, in described mineral wool
It is added with mineral wool binding agent；Described wood wool includes that batten or wood shavings, the bulk density of described wood wool are
50-700kg/m3。
As preferred technical scheme, described natural fiber include cotton, Corchorus olitorius L., Caulis et Folium Lini, Boehmeria, Folium Agaves Sisalanae,
Fructus Cannabis or gutstring, mohair yarn, alpaca fibre；Described mineral wool includes glass cotton, rock wool or mineral wool；Institute
State mineral wool binding agent for containing formaldehyde binder or without formaldehyde binder.
The mineral wool binding agent of the technical program is for adding or without, the mineral wool binding agent bag of interpolation
Include containing formaldehyde binder, such as phenol-formaldehyde binder, or without formaldehyde binder, such as tripolycyanamide or
ECOSE, polyester resin, epoxy resin, waterglass etc..The technical program wood shavings, typically thick
Degree is 0.15-1.2mm, and width is 0.5-4.5mm, a length of 50-500mm.Mineral wool or wood wool are not only
Being limited to a kind of particular type, but can comprise with different types of cotton mixture, such as, mineral wool can
To include different fibre length or the mineral wool of density, it is possible to mix or be used alone, being such as used for
Layer in sandwich.
As preferred technical scheme, the bulk density of described mineral wool is 50-200kg/m3, described wood wool
Bulk density be 80-600kg/m3。
The bulk density of the mineral wool of the technical program is more preferably in the range of 60-180kg/m3Even
80-150kg/m3, the bulk density of wood wool is more preferably in the range of 120-500kg/m3, even
250-400kg/m3。
As preferred technical scheme, described aeroge includes aerosil, carbon aerogels, oxygen
Changing one or more in aluminum aeroge, agar aeroge or chalcogen aeroge, described aeroge is with granule
In form is scattered in described fibrous material or it is overlying on described fibrous material surface to be collected as plane form.
The aeroge of the technical program can be selected for the NanogelTM aeroge supplied by Cabot Corp., or
The KlebesolTM aeroge supplied by AZ-Electronics company.The aeroge of the technical program is permissible
Uniform or random distribution particle form is present in fibrous material inside or surface；This composite can
To comprise one layer of panel being entirely aeroge, or the aeroge of particle form, such as it is present in this
Powder in composite.
As preferred technical scheme, described composite be shaped as tabular, strip, lamellar
Or graininess.
For this Fiber In Composite Material material fiber line up mode, there is no special restriction, permissible
Comprise the fibrous material of multiple ratio or multiple fibrous material layer, the row of the most each single fiber part
Team's mode can be in the way of being parallel, antiparallel or vertical, such as with fibre board longitudinal direction
Or vertical direction.
When fibrous material includes glass fibre, this composite does not include organic polymer.
When fibrous material includes glass fibre, this composite does not include alkali metal or alkaline earth hydroxide.
When fibrous material includes glass fibre, this composite does not include organic polymer and alkalescence or alkali
Soil hydroxide.
When fibrous material includes glass fibre, this composite does not include polyester and/or magnesium hydroxide.
The composite of the application is usually plate shape, forms one with another structure and comprises two-layer or more
The layered product of layer.This layered product has the layer of one layer of composite comprising the application, and also at least one of which
Functional layer, such as ply of paper, ply of board, concrete layer, plank layer, metal level or plastic layer etc..Therefore
The layered product that the application makes can be in conjunction with the spy of the advantageous effects of this composite He other different materials
Property, to reach to increase the effect of the stability of this composite and operability.
The shapes and sizes of above-mentioned layered product have no particular limits, and include any possible shape and chi
Very little, can be used for building element, such as roof, wall, floor, door and window, or the vehicles etc..This layer
The thickness of laminate be 10-400mm, preferably scope be 50-300mm even 80-200mm.But,
The thickness of layered product may be adjusted according to application needs, or can be limited by installing space.Example
As, requiring to have more preferably in the case of insulating properties, the thickness of layered product can be adjusted to exceed
100mm；If needing less size, the thickness of layered product can be adjusted to below 100mm.
Two or more layers in above-mentioned layered product are by binding agent and/or are bonded in one mechanically
Rise.It is bonded together to improve stability and operability by binding agent, such as sew mechanically,
The layer of layered product is coupled together by bookbinding, stitching and punching press etc..
The preparation method of the composite of a kind of flame-resistant insulation, step is: adds in fibrous material and adheres to
There is the aeroge of binding agent, the fibrous material being added with aeroge is pressed into densified fiber material
The composite of flame-resistant insulation.
In the technical program, aeroge can apply in the manufacture process of fibrous material, or after a while
Stage applies.Such as, if fibrous material is mineral wool, aeroge can mix with at least some of fiber,
Or it can be applied on fiber together with binding agent, or it is applied to the fabric of a molding in advance
Surface.Due to the heat stability of aeroge, it can before mineral wool is heated post-treatment binding agent or
Person's procedure of processing after-applied.
When fibrous material is mineral wool, aeroge can apply before compression mineral wool, this compression process
Mineral wool is compressed to desired density thus obtains the mineral wool fabric of a suitable densification, make aeroge with
Fibre structure is combined with each other.Aeroge, before being applied to fibrous material, is first processed by organic bond,
Such processing procedure can be improved the operability of material and increase the adhesiveness of aeroge, and improves final
The quality of product.Organic bond can be polyvinyl acetate, polyurethane or plastisol etc..
Composite of a kind of flame-resistant insulation of the present invention and preparation method thereof combines the exhausted of fibrous material
Edge, fire-retardant, heat insulation, soundproof effect advantageous feature, transport of materials, cutting, convenient storage, resistance in addition
Heat is moisture resistance, and the most easily fabricated processing has higher cost benefit, is generally used for building portion
The insulation of part, technical units, heating system and vehicle.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the embodiment of the present invention 2；
Fig. 3 is the structural representation of the embodiment of the present invention 3；
Fig. 4 is the structural representation of the embodiment of the present invention 4；
Fig. 5 is the structural representation of the embodiment of the present invention 5；
Fig. 6 is the structural representation of the embodiment of the present invention 6；
Fig. 7 is the structural representation of the embodiment of the present invention 7；
Fig. 8 is embodiment 8 structural representation that this is bright；
Fig. 9 is the structural representation of the embodiment of the present invention 9；
Figure 10 is the structural representation of the embodiment of the present invention 10.
Detailed description of the invention
Be explained the present invention with instantiation below in conjunction with the accompanying drawings, it should be understood that example be for
Illustrating rather than limitation of the present invention, the scope of the present invention and core content are according to claim
Book is determined.
Embodiment 1
As it is shown in figure 1, the composite of a kind of flame-resistant insulation, including Plant fiber 1 and cover in its table
One layer of face is collected as the aerosil 2 of plane form, and the thickness of composite is 30mm, heap
Long-pending density is 70kg/m3；Aerosil 2 weight accounting in the composite is no more than 20%,
The porosity of aerosil 2 is more than 75%, and bulk density is 60kg, and surface area is more than
500m2/ g, particle diameter is 500nm, less than 0.030W/m.k when thermal conductivity is 25 DEG C.
The preparation method of the composite of a kind of flame-resistant insulation, step is: be covered with on Plant fiber 1 surface
It is stained with the aerosil 2 of phenol-formaldehyde binder, and is compressed into densified fiber material i.e.
Become the composite of flame-resistant insulation.
Embodiment 2
As in figure 2 it is shown, the composite of a kind of flame-resistant insulation, including glass cotton 3 and be scattered in inside it
The carbon aerogels 4 of particle form, the thickness of composite is 100mm, and bulk density is 80kg/m3；
Carbon aerogels 4 weight accounting in the composite is no more than 60%, and the porosity of carbon aerogels 4 is big
In 40%, bulk density is 70kg, and surface area is more than 800m2/ g, particle diameter is 1000nm, thermal conductivity
Less than 0.028W/m.k when being 25 DEG C.
The preparation method of the composite of a kind of flame-resistant insulation, step is: have in glass cotton 3 inner dispersion
Be stained with the carbon aerogels 4 of tripolycyanamide binding agent, and be compressed into densified fiber material insulation
Fire-retardant composite.
Embodiment 3
As it is shown on figure 3, the composite of a kind of flame-resistant insulation, including two-layer animal fiber 5 and cover in
Between it one layer is collected as the alumina aerogels 6 of plane form, and the thickness of composite is 200mm,
Bulk density is 50kg/m3；Alumina aerogels 6 weight accounting in the composite is no more than 60%,
The porosity of alumina aerogels 6 is more than 85%, and bulk density is 80kg, and surface area is more than
1000m2/ g, particle diameter is 300nm, less than 0.025W/m.k when thermal conductivity is 25 DEG C.
The preparation method of the composite of a kind of flame-resistant insulation, step is: between two-layer animal fiber 5
It is covered with and is stained with the alumina aerogels 6 of ECOSE binding agent and is compressed into densified fiber material i.e.
Become the composite of flame-resistant insulation.
Embodiment 4
As shown in Figure 4, the composite of a kind of flame-resistant insulation, including rock wool 7, wood 8 and cover in it
Between one layer of agar aeroge 9 being collected as plane form, the thickness of composite is 250mm, heap
Long-pending density is 40kg/m3；Agar aeroge 9 weight accounting in the composite is no more than 60%, fine jade
The porosity of fat aeroge 9 is more than 85%, and bulk density is 100kg, and surface area is more than 1000m2/ g,
Particle diameter is 250nm, less than 0.025W/m.k when thermal conductivity is 25 DEG C.
The preparation method of the composite of a kind of flame-resistant insulation, step is: cover between rock wool 7, wood 8
Have and be stained with the agar aeroge 9 of vestopal binder and be compressed into densified fiber material
The composite of flame-resistant insulation.
Embodiment 5
As it is shown in figure 5, the composite of a kind of flame-resistant insulation, including mineral wool 10, wood shavings 11 and cover
Between it one layer is collected as the NanogelTM aeroge 12 of plane form, wherein in mineral wool 10
Being dispersed with the NanogelTM aeroge 12 of particle form, the thickness of composite is 350mm, piles up
Density is 80kg/m3；NanogelTM aeroge 12 weight accounting in the composite is for being not more than
The porosity of 80%, NanogelTM aeroge 12 is more than 90%, and bulk density is 100kg, face, surface
Long-pending more than 800m2/ g, particle diameter is 2000nm, less than 0.020W/m.k when thermal conductivity is 25 DEG C.
A kind of preparation method of the composite of flame-resistant insulation, step is: mineral wool 10, wood shavings 11 it
Between be covered with the NanogelTM aeroge 12 being stained with epobond epoxyn, and dispersion in mineral wool 10
There is the NanogelTM aeroge 12 being stained with epobond epoxyn, be compressed into densified fiber material
Material the composite of flame-resistant insulation.
Embodiment 6
As shown in Figure 6, the composite of a kind of flame-resistant insulation, including some strip glass cottons 13 and vertical
The chalcogen aeroge 14 being collected as plane form being located between it, the thickness of composite is 300mm,
Bulk density is 40kg/m3；Chalcogen aeroge 14 weight accounting in the composite is no more than 20%,
The porosity of chalcogen aeroge 14 is more than 75%, and bulk density is 120kg, and surface area is more than 500m2/ g,
Particle diameter is 1500nm, less than 0.030W/m.k when thermal conductivity is 25 DEG C.
A kind of preparation method of the composite of flame-resistant insulation, step is: some strip glass cottons 13 it
Between be covered with and be stained with the chalcogen aeroge 14 of water glass binder and be compressed into densified fiber material i.e.
Become the composite of flame-resistant insulation.
Embodiment 7
As it is shown in fig. 7, the composite of a kind of flame-resistant insulation, including two-layer batten 15 and cover in its it
Between mineral wool 16, be wherein dispersed with the aerosil 17 of particle form in mineral wool 16, multiple
The thickness of condensation material is 350mm, and bulk density is 80kg/m3；Aerosil 17 is at composite wood
Weight accounting in material is no more than 20%, and the porosity of aerosil 17 is more than 80%, piles up
Density is 80kg, and surface area is more than 500m2/ g, particle diameter is 100nm, and thermal conductivity is to be less than when 25 DEG C
0.025W/m.k。
The preparation method of the composite of a kind of flame-resistant insulation, step is: be dispersed with viscous in mineral wool 16
With the aerosil 17 of phenol-formaldehyde binder, two-layer batten 15 is respectively placed in mineral wool
The both sides of 16 be compressed into densified fiber material the composite of flame-resistant insulation.
Embodiment 8
As shown in Figure 8, the composite of a kind of flame-resistant insulation, including two-layer wood shavings 18 and cover in its it
Between rock wool 19, be wherein dispersed with the carbon aerogels 20 of particle form, the thickness of composite in wood shavings 18
Degree is 400mm, and bulk density is 250kg/m3；Carbon aerogels 20 weight accounting in the composite
For no more than 80%, the porosity of carbon aerogels 20 is more than 90%, and bulk density is 110kg, face, surface
Long-pending more than 1500m2/ g, particle diameter is 50nm, less than 0.030W/m.k when thermal conductivity is 25 DEG C.
The preparation method of the composite of a kind of flame-resistant insulation, step is: Monodispersed in two-layer wood shavings 18
There is the carbon aerogels 20 being stained with phenol-formaldehyde binder, rock wool 19 is placed between two-layer wood shavings 18 also
Be compressed into densified fiber material the composite of flame-resistant insulation.
Embodiment 9
As it is shown in figure 9, the composite of a kind of flame-resistant insulation, including two-layer wood shavings 21 and cover in its it
Between mineral wool 22, wherein in wood shavings 21 and mineral wool 22, Monodispersed has the aluminium oxide airsetting of particle form
Glue 23, the thickness of composite is 400mm, and bulk density is 300kg/m3；Alumina aerogels 23
Weight accounting in the composite is no more than 80%, and the porosity of alumina aerogels 23 is more than 90%,
Bulk density is 120kg, and surface area is more than 1500m2/ g, particle diameter is 10nm, when thermal conductivity is 25 DEG C
Less than 0.035W/m.k.
The preparation method of the composite of a kind of flame-resistant insulation, step is: at two-layer wood shavings 21 and mineral wool
In 22, Monodispersed has the alumina aerogels 23 being stained with phenol-formaldehyde binder, is placed in by mineral wool 22
Between two-layer wood shavings 21 and be compressed into densified fiber material the composite of flame-resistant insulation.
Embodiment 10
As shown in Figure 10, the layered product of a kind of composite including flame-resistant insulation, another layer of layered product
For ply of board 24, it is integrated with composite by binding agent or compacting.Its composite layer includes glass
Glass cotton 25 and be scattered in the carbon aerogels 26 of its internal particle form, the thickness of composite is
100mm, bulk density is 80kg/m3；Carbon aerogels 26 weight accounting in the composite is little
In 60%, the porosity of carbon aerogels 26 is more than 40%, and bulk density is 70kg, and surface area is more than
800m2/ g, particle diameter is 1000nm, less than 0.028W/m.k when thermal conductivity is 25 DEG C.
Composite of a kind of flame-resistant insulation of above example and preparation method thereof combines fibrous material
Insulation, fire-retardant, heat insulation, soundproof effect advantageous feature, in addition transport of materials, cutting, convenient storage,
Heat-resisting moisture resistance, the most easily fabricated processing, there is higher cost benefit, be generally used for building
The insulation of parts, technical units, heating system and vehicle.
Above embodiment is the preferably scheme of the present invention, not makees the present invention any pro forma
Limit, on the premise of without departing from the technical scheme described in claim, also have other variant and remodeling.
Claims (10)
1. the composite of a flame-resistant insulation, it is characterised in that include fibrous material, described fibrous material
Between be embedded with aeroge, the specification of described composite is 10-400mm, and bulk density is
5-300kg/m3；Described fibrous material includes one or more in natural fiber, mineral wool, wood wool；Institute
Stating aeroge weight accounting in described composite is no more than 80%, the porosity of described aeroge
More than 75%, bulk density is 50-120kg, and surface area is more than 500m2/ g, particle diameter is 10nm-10mm,
Less than 0.030W/m.k when thermal conductivity is 25 DEG C.
The composite of a kind of flame-resistant insulation the most according to claim 1, it is characterised in that described multiple
The specification of condensation material is 20-300mm, and bulk density is 10-280kg/m3；Described aeroge is described multiple
Weight accounting in condensation material is no more than 60%, and the porosity of described aeroge is more than 80%, and particle diameter is
20nm-5mm, less than 0.028W/m.k when thermal conductivity is 25 DEG C.
The composite of a kind of flame-resistant insulation the most according to claim 2, it is characterised in that described multiple
The specification of condensation material is 30-250mm, and bulk density is 30-220kg/m3；Described aeroge is described multiple
Weight accounting in condensation material is no more than 40%, and the porosity of described aeroge is more than 85%, and particle diameter is
100nm-2mm, less than 0.025W/m.k when thermal conductivity is 25 DEG C.
The composite of a kind of flame-resistant insulation the most according to claim 3, it is characterised in that described multiple
The specification of condensation material is 40-200mm, and bulk density is 50-200kg/m3；Described aeroge is described multiple
Weight accounting in condensation material is no more than 20%, and the porosity of described aeroge is more than 90%, and particle diameter is
1000nm-1mm, less than 0.020W/m.k when thermal conductivity is 25 DEG C.
The composite of a kind of flame-resistant insulation the most according to claim 1, it is characterised in that described from
So fiber includes one or both in Plant fiber or animal fiber；Described mineral wool includes natural minerals
One or more in cellucotton, man-made mineral fiber cotton or metal-oxide fiber cotton, described mineral wool
Bulk density be 5-250kg/m3, described mineral wool is added with mineral wool binding agent；Described wood wool bag
Including batten or wood shavings, the bulk density of described wood wool is 50-700kg/m3。
The composite of a kind of flame-resistant insulation the most according to claim 5, it is characterised in that described from
So fiber includes cotton, Corchorus olitorius L., Caulis et Folium Lini, Boehmeria, Folium Agaves Sisalanae, Fructus Cannabis or gutstring, mohair yarn, alpaca fibre；
Described mineral wool includes glass cotton, rock wool or mineral wool；Described mineral wool binding agent is containing formaldehyde binder
Or without formaldehyde binder.
The composite of a kind of flame-resistant insulation the most according to claim 5, it is characterised in that described ore deposit
The bulk density of thing cotton is 50-200kg/m3, the bulk density of described wood wool is 80-600kg/m3。
The composite of a kind of flame-resistant insulation the most according to claim 1, it is characterised in that described gas
Gel includes aerosil, carbon aerogels, alumina aerogels, agar aeroge or chalcogen gas
One or more in gel, in described aeroge is scattered in described fibrous material in granular form or with poly-
Integrate and be overlying on described fibrous material surface as plane form.
The composite of a kind of flame-resistant insulation the most according to claim 1, it is characterised in that described institute
State composite be shaped as tabular, strip, lamellar or graininess.
10. the composite according to the flame-resistant insulation described in any claim in claim 1-9
Preparation method, it is characterised in that step is: add the gas being stained with organic bond in fibrous material
Gel, the fibrous material being added with aeroge is pressed into densified fiber material the answering of flame-resistant insulation
Condensation material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610297502.4A CN105965988A (en) | 2016-05-03 | 2016-05-03 | Insulation flame-retardation composite material and preparation method thereof |
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| CN201610297502.4A CN105965988A (en) | 2016-05-03 | 2016-05-03 | Insulation flame-retardation composite material and preparation method thereof |
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| CN105965988A true CN105965988A (en) | 2016-09-28 |
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| CN201610297502.4A Pending CN105965988A (en) | 2016-05-03 | 2016-05-03 | Insulation flame-retardation composite material and preparation method thereof |
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| CN109082940A (en) * | 2018-07-16 | 2018-12-25 | 苏州华龙化工有限公司 | A kind of preparation method of sound absorption control l Water Paper |
| CN111278949A (en) * | 2017-09-29 | 2020-06-12 | 朗科·罗密欧 | Refractory Insulation Compounds |
| CN111559883A (en) * | 2020-06-15 | 2020-08-21 | 万华建筑科技（烟台）有限公司 | Preparation method of silica aerogel modified rock wool board |
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| CN111278949A (en) * | 2017-09-29 | 2020-06-12 | 朗科·罗密欧 | Refractory Insulation Compounds |
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