CN109130377A - A kind of sewing block of glass wool and the composite exterior wall insulating board of hard-foam polyurethane and preparation method thereof - Google Patents

A kind of sewing block of glass wool and the composite exterior wall insulating board of hard-foam polyurethane and preparation method thereof Download PDF

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Publication number
CN109130377A
CN109130377A CN201810963089.XA CN201810963089A CN109130377A CN 109130377 A CN109130377 A CN 109130377A CN 201810963089 A CN201810963089 A CN 201810963089A CN 109130377 A CN109130377 A CN 109130377A
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China
Prior art keywords
glass
block
glass wool
layer
fiber
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CN201810963089.XA
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Chinese (zh)
Inventor
路国忠
何金太
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Beijing Building Materials Academy of Sciences Research
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Beijing Building Materials Academy of Sciences Research
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Priority to CN201810963089.XA priority Critical patent/CN109130377A/en
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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
    • 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
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/02—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles being present as additives in the 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • 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
    • B32B5/02—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
    • B32B5/06—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 characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/008—Sewing, stitching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/38—Meshes, lattices or nets
    • 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
    • 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
    • B32B2307/31—Heat sealable
    • 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
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • B32B2419/00—Buildings or parts thereof

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Laminated Bodies (AREA)
  • Building Environments (AREA)

Abstract

The present invention relates to a kind of composite exterior wall insulating boards for sewing block of glass wool and hard-foam polyurethane, internal layer cement glass-fiber-fabric, sewing block of glass wool layer, hard-foam polyurethane plate and outer layer cement glass-fiber-fabric including being laminated and being bonded setting.The present invention selects sewing block of glass wool layer, so that the tensile strength of the heat insulation core material as insulation construction integrally enhances, ensure that the mechanical stability of sewing block of glass wool and total quality are stablized.And material of the invention has excellent fire protecting performance and good thermal insulation property simultaneously, has good physical property and waterproof performance.The preparation process of material of the present invention is simple, and convenient for operation, this material be can be widely applied in External Thermal Insulation System, meets building fire protection and the requirement of energy-saving heat preserving.

Description

A kind of composite exterior wall insulating board and its system sewing block of glass wool and hard-foam polyurethane Preparation Method
Technical field
The invention belongs to external wall outer insulation materials, more particularly to a kind of inorganic sewing mineral wool and organic hard-foam polyurethane to answer Outwall thermal insulation board made of conjunction.
Background technique
In recent years, due to the generation of domestic more external wall external thermal insulation event of fire, various circles of society is caused and are externally protected The great attention of adiabator fire protecting performance.The social transformation of China's forward direction resource-conserving, low-carbon emission reduction type simultaneously, building energy conservation It is the energy-efficient important component of entire society.Actively development has both fire prevention and the New Building Materials of thermal insulation property are always green The important developing direction in color heat preservation construction material field, relevant enterprise and R&D institution have also carried out many good tries in recent years, But it emerges at present still without the not only thermal insulation material of energy conservation but also heat preservation haveing excellent performance.At present, China A grades of huge cities of fire proofing material Space and the technical level to relatively lag behind do not match that, although and organic insulation material has good thermal insulation property, its Fire protecting performance but still has hidden danger.
Polyurethane is Porous-Organic class thermal insulation material, and thermal coefficient is low, and energy-saving effect is significant；Rate of closed hole is low, waterproofness It can be good；Rare highly polar material, adhesive property are good in polyurethane material or organic insulation material.Chinese patent A kind of thermal insulation material is disclosed in CN204098404, by cement glass-fiber-fabric, hard-foam polyurethane, porous cotton plate and with decorative panel Composition；Hard-foam polyurethane is connect by pouring type with the porous cotton plate；The porous cotton plate other side is bonded with decorative panel, hard bubble The other side of polyurethane is bonded with cement glass-fiber-fabric.Hard-foam polyurethane is connect by way of casting with porous cotton plate, and work is prepared Skill is complicated, is not easy to realize industrial production；And the tensile strength of block of glass wool itself is lower, its mechanical property after the punching of its surface Can further it decline, therefore the tensile strength of this thermal insulation material is low, the total quality stability of material is poor, in exterior insulation It is difficult to promote and apply in engineering.
Summary of the invention
The object of the present invention is to provide a kind of composite exterior wall insulating boards for sewing block of glass wool and hard-foam polyurethane, including Internal layer cement glass-fiber-fabric, sewing block of glass wool layer, hard-foam polyurethane plate and the outer layer cement glass-fiber-fabric being cascading, it is described Internal layer cement glass-fiber-fabric, sewing block of glass wool layer, hard-foam polyurethane plate and outer layer cement glass-fiber-fabric are bonded together.
The present invention substitutes traditional block of glass wool layer with sewing block of glass wool layer, compared with prior art, heat preservation can be improved The tensile strength of material and whole mechanical performance, can simplify preparation process, be conducive to be applied on a large scale.
During application, the internal layer cement glass-fiber-fabric is bonded setting with the outer face of wall of insulation, other Layer is set gradually to the direction far from exterior surface of wall.
Preferably, the sewing block of glass wool layer includes internal layer glass fiber reticular cloth, block of glass wool layer and outer layer fiberglass mesh Cloth, the internal layer glass fiber reticular cloth and outer layer glass fiber reticular cloth are by penetrating the basalt fibre sewer of the block of glass wool layer In on the block of glass wool layer.Sewing block of glass wool is to lead to block of glass wool with the glass fiber reticular cloth for being wrapped in block of glass wool surface Basalt fibre line longitude and latitude knitting stitch is crossed to be integrated, the advantages of retaining non-ignitable block of glass wool, lightweight, good heat insulating, The tensile strength for greatly improving block of glass wool entirety again ensure that the mechanical stability of block of glass wool, make thermal insulation material entirety matter Amount is stablized.
Preferably, the basalt fibre line is formed on the surface of the internal layer glass fiber reticular cloth and outer layer glass fiber reticular cloth Side length is the grid of 50~70mm.The grid of above-mentioned size, can effectively reinforcing glass cotton plate layer mechanical strength, and will not The structure of block of glass wool layer itself is damaged.
Preferably, it is described sewing block of glass wool layer with a thickness of 50~100mm；Further preferably 50~80mm.
Preferably, the hard-foam polyurethane plate with a thickness of 30mm~90mm.It, can be significant in the case where this thickness Improve the thermal insulation property and total quality stability of heat preservation plate material.
Preferably, the ratio between the thickness of the sewing block of glass wool layer and the thickness of the polyurethane sheet are 1.0~1.5:1. Thermal insulation material of the present invention mainly improves the overall mechanical properties and fire protecting performance of material by sewing block of glass wool, The thermal insulation property that material entirety is improved by hard-foam polyurethane, for material entirety, the addition of hard-foam polyurethane The fire line that material entirety can be reduced, the addition for sewing block of glass wool can reduce the heat insulating ability of material entirety, in aforementioned proportion model , can be well using the thermal insulation property of the good fire protecting performance of block of glass wool and polyurethane in enclosing, the synergistic effect of the two is more It is good, the overall performance of thermal insulation material can be improved.
Preferably, the hard-foam polyurethane plate is realized in the straight forming of the sewing block of glass wool layer surface to described Sew the bonding of block of glass wool layer and outer layer cement glass-fiber-fabric.This method industrialized production is simple, and sewing mineral wool can be improved The integral smoothness of plate layer also eliminates the operation being individually glued, and is conducive to exterior insulation construction.
Preferably, black in raw material and material the ratio for preparing of hard-foam polyurethane of the present invention is 1.4:1~1.8:1.
It is further preferred that control reaction temperature is 55~65 DEG C during straight forming.Select above-mentioned hard bubble Polyurethane is more advantageous to the overall performance for improving composite material.
Preferably, the internal layer cement glass-fiber-fabric with a thickness of 0.5mm~1.0mm, the thickness of the outer layer cement glass-fiber-fabric Degree is 0.5mm~1.0mm.
Preferably, flame-retardant rigid-foam polyurethane gluing is equipped between the block of glass wool layer and the internal layer cement glass-fiber-fabric Agent.It selects above-mentioned material as adhesive, can further improve the overall flame performance of thermal insulation material.
Preferably, the internal layer cement glass-fiber-fabric and the wall face of insulation connect.
As a preferred option, insulation board of the present invention includes the internal layer for the 0.5~1.0mm of thickness being stacked Cement glass-fiber-fabric, the sewing block of glass wool layer of 50~80mm of thickness, the hard-foam polyurethane plate of 30~90mm of thickness and thickness 0.5~ 1.0mm outer layer cement glass-fiber-fabric；The ratio between thickness of thickness of the sewing block of glass wool layer and the polyurethane sheet for 1.0~ 1.5:1；Flame-retardant rigid-foam polyurethane adhesive is equipped between the internal layer cement glass-fiber-fabric and the sewing block of glass wool layer, it is described Hard-foam polyurethane plate is realized in the straight forming of the sewing block of glass wool layer surface to the sewing block of glass wool layer and outer layer The bonding of cement glass-fiber-fabric；Black in raw material and material the ratio for preparing of the hard-foam polyurethane is 1.4:1~1.8:1.
The sewing block of glass wool layer includes internal layer glass fiber reticular cloth, block of glass wool layer and outer layer glass fiber reticular cloth, described Internal layer glass fiber reticular cloth and outer layer glass fiber reticular cloth by penetrate the basalt fibre linear slit of the block of glass wool layer be formed on it is described On block of glass wool layer, the basalt fibre line forms side on the surface of the internal layer glass fiber reticular cloth and outer layer glass fiber reticular cloth The grid of a length of 50~70mm.
In the case that relevant parameter in above-mentioned preferred embodiment is constant, scheme more preferably, hard-foam polyurethane Plate with a thickness of 40~50mm, the ratio between thickness of the sewing block of glass wool layer and the hard-foam polyurethane plate is 1.4~1.5. In these cases, the fire protecting performance of composite material is up to composite A-grade.
In the case that relevant parameter in above-mentioned preferred embodiment is constant, scheme more preferably, hard-foam polyurethane Plate with a thickness of 50mm, when the ratio between thickness of the sewing block of glass wool layer and the hard-foam polyurethane plate is 1.0~1.1.? Under above situation, the fire protecting performance of composite material is B1 grades.
Thermal insulation material of the invention is prepared by the following method:
1) glass fiber reticular cloth is covered in block of glass wool surfaces externally and internally, block of glass wool feeding quilter is sewed, i.e., Block of glass wool layer must be sewed；
2) adhesive is added in glue spreader, the sewing block of glass wool layer is transported in glue spreader by roll shaft, And by its by glue spreader can continuous rotation roller bearing, realize the gluing to block of glass wool layer；
3) glue-coated sewing block of glass wool layer is transported in polyurethane sheet tinuous production by roll shaft transportation system, The coated face of sewing block of glass wool layer after gluing is Nian Jie with the internal layer cement glass-fiber-fabric being laid in laminating machine, while sewing The black material of non-coated face cast polyurethane of block of glass wool and white material, as chain mat machine moves forwards, polyurethane mixture gradually exists Block of glass wool surface blister, molding are sewed, and utilizes the adhesive property of polyurethane itself by outer layer cement glass-fiber-fabric and the seam Block of glass wool processed is bonded as one；
4) product produces exterior insulation sewing block of glass wool and polyurethane composite thermal insulation after solidifying, cutting Plate.
Preferably, adhesive used in the step 2) is flame retardant polyurethane adhesive.
Preferably, it to keep laminating conveyor temperature between 55~65 DEG C during cast polyurethane, control poly- ammonia The ratio of the black material of ester and white material is in 1.4:1 between 1.8:1, and the speed of service of laminating conveyor carrier bar is in 3.5~4.5m/min Between, it can guarantee the uniform good adhesive strength of polyurethane foam by aforesaid operations.
The invention has the following beneficial effects:
1) sewing mineral wool of the present invention includes the glass fiber reticular cloth of block of glass wool and package block of glass wool surface, glass Cotton plate is structure as a whole with glass fiber reticular cloth by basalt fibre line longitude and latitude knitting stitch, so that the tension of block of glass wool layer is strong The whole enhancing of degree ensure that the mechanical stability of sewing block of glass wool layer and total quality are stablized.
2) thermal insulation material of the invention has excellent fire protecting performance, waterproof performance and good thermal insulation property simultaneously, can Avoid sewing block of glass wool because caused by moisture absorption performance decline, can be widely applied in External Thermal Insulation System, meet The requirement of its fire protection flame retarding and energy-saving heat preserving.
3) present invention is greatly improved its fire protecting performance compared with conventional polyurethanes plate, can be increased to B1 by original B2 grade Grade or composite A-grade.And its thermal insulation property can be improved compared with simple glass cotton plate in the present invention, preferably meets various regions building section The requirement of energy standard.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of insulation board of the present invention；
In figure, 1 is internal layer cement glass-fiber-fabric, and 2 be flame-retardant rigid-foam polyurethane adhesive, and 3 be internal layer glass fiber reticular cloth, and 4 are Block of glass wool layer, 5 be basalt fibre line, and 6 be outer layer glass fiber reticular cloth, and 7 be hard-foam polyurethane plate, and 8 be outer layer cement glass Cloth.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
The present embodiment is related to a kind of sewing mineral wool hard-foam polyurethane composite exterior wall insulating board, and structural schematic diagram is as schemed 1, the internal layer cement glass-fiber-fabric 1 including 0.7mm thickness, the flame-retardant rigid-foam polyurethane adhesive 2 coated on internal layer cement glass-fiber-fabric, The sewing block of glass wool layer for the 60mm thickness pasted on flame-retardant rigid-foam polyurethane adhesive is poured on sewing block of glass wool layer and is built up The hard-foam polyurethane 7 with a thickness of 40mm of shape, the outer layer cement glass of the 0.7mm thickness covered while making hard-foam polyurethane plate Fine cloth 8.
The sewing block of glass wool layer includes the internal layer glass fiber reticular cloth 3 of block of glass wool layer 4 and sewing block of glass wool surface With outer layer glass fiber reticular cloth 6, the internal layer glass fiber reticular cloth and outer layer glass fiber reticular cloth are by penetrating the block of glass wool layer The sewing of basalt fibre line 5 is on the block of glass wool layer, and the basalt fibre line is in the internal layer glass fiber reticular cloth and outside The surface of layer glass fiber reticular cloth forms the grid that side length is 60mm.
In the present embodiment, sew block of glass wool performance meet GB/T 13350-2017 " insulation with sewing mineral wool and its Product " and DB11/T1117-2014 " block of glass wool Exterior Insulation Construction Technology regulation " requirement；Hard-foam polyurethane plate Performance meets the requirement of GB50404 " hard bubble hard-foam polyurethane thermal-insulating waterproof engineering legislation "；Hard-foam polyurethane adhesive and The performance of cement glass fiber felt should meet the requirement of JGJ144-2004 " exterior insulation engineering technology regulation ".
Insulation board of the invention is prepared by the following method:
1) the size glass-cutting cotton plate of 600*1200mm is pressed, then covers glass fiber reticular cloth in block of glass wool surfaces externally and internally And be aligned, there is the dedicated quilter of shuttle rock wool to carry out through after the completion of sewing, block of glass wool being revolved to sewing block of glass wool feeding Turning 90 degrees feeding has the dedicated quilter of shuttle rock wool to carry out broadwise sewing, and basalt fibre line is knitted by the density longitude and latitude of 60*60mm Distribution, sewing are completed to be sewing block of glass wool.
2) flame retardant polyurethane adhesive is added in glue spreader, by sewing block of glass wool by can continuously be revolved in glue spreader The roller bearing turned realizes the gluing to block of glass wool layer；
3) glue-coated sewing block of glass wool layer is transported in polyurethane sheet tinuous production by roll shaft transportation system, Sewing block of glass wool layer after gluing is Nian Jie with the internal layer cement glass-fiber-fabric being laid in laminating machine first, while in sewing glass The black material of upper surface cast polyurethane of cotton plate and white material, as chain mat machine moves forwards, polyurethane mixture is gradually in sewing glass The foaming of glass cotton plate surface, molding, and utilize the adhesive property of polyurethane itself by outer layer cement glass-fiber-fabric and the sewing glass Cotton plate is bonded as one；To keep laminating conveyor temperature at 60 DEG C or so during cast polyurethane, black and white material ratio 1.7:1, chain mat machine speed 4.3m/min.
4) product produces exterior insulation sewing block of glass wool and polyurethane composite thermal insulation after solidifying, cutting Plate.
Embodiment 2
The present embodiment is related to a kind of sewing mineral wool hard-foam polyurethane composite exterior wall insulating board, and structural schematic diagram is as schemed 1, the internal layer cement glass-fiber-fabric 1 including 0.7mm thickness, the flame-retardant rigid-foam polyurethane adhesive 2 coated on internal layer cement glass-fiber-fabric, The sewing block of glass wool layer for the 50mm thickness pasted on flame-retardant rigid-foam polyurethane adhesive is poured on sewing block of glass wool layer and is built up The hard-foam polyurethane 7 with a thickness of 50mm of shape, the outer layer cement glass of the 0.7mm thickness covered while making hard-foam polyurethane plate Fine cloth 8.
Embodiment 3
The present embodiment is related to a kind of sewing mineral wool hard-foam polyurethane composite exterior wall insulating board, and structural schematic diagram is as schemed 1, the internal layer cement glass-fiber-fabric 1 including 0.7mm thickness, the flame-retardant rigid-foam polyurethane adhesive 2 coated on internal layer cement glass-fiber-fabric, The sewing block of glass wool layer for the 70mm thickness pasted on flame-retardant rigid-foam polyurethane adhesive is poured on sewing block of glass wool layer and is built up The hard-foam polyurethane 7 with a thickness of 50mm of shape, the outer layer cement glass of the 0.7mm thickness covered while making hard-foam polyurethane plate Fine cloth 8.
Comparative example 1
The thermal insulation material being prepared in Chinese patent CN204098404 embodiment 1.
Experimental example
This experimental example is related to the test to moisturizing material property in Examples 1 to 3 and comparative example 1, using the side GB/T30804 Method measures its tensile strength, measures its fire protecting performance using GB8624 method, measures its thermally conductive system using 10296 method of GB/T Number, result such as table 1:
Table 1
Embodiment 1 Embodiment 2 Embodiment 3 Comparative example 1
Tensile strength kPa 140 150 130 110
Fire protecting performance Compound A B1 Compound A Compound A
Thermal coefficient W/ (m.K) 0.031 0.029 0.030 0.032
As can be seen from the above data, composite material of the present invention has good mechanical performance really, and have There are preferable fire protecting performance and thermal insulation property.
Although above having used general explanation, specific embodiment and test, the present invention is made to retouch in detail It states, but on the basis of the present invention, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to claimed Range.

Claims (10)

1. a kind of composite exterior wall insulating board for sewing block of glass wool and hard-foam polyurethane, which is characterized in that including stacking gradually Internal layer cement glass-fiber-fabric, sewing block of glass wool layer, hard-foam polyurethane plate and the outer layer cement glass-fiber-fabric of setting, the internal layer cement Glass-fiber-fabric, sewing block of glass wool layer, hard-foam polyurethane plate and outer layer cement glass-fiber-fabric are bonded together.
2. insulation board according to claim 1, which is characterized in that the sewing block of glass wool layer includes internal layer fiberglass mesh Cloth, block of glass wool layer and outer layer glass fiber reticular cloth, the internal layer glass fiber reticular cloth and outer layer glass fiber reticular cloth are described by penetrating The basalt fibre linear slit of block of glass wool layer is formed on the block of glass wool layer.
3. insulation board according to claim 2, which is characterized in that the basalt fibre line is in the internal layer fiberglass mesh The surface of cloth and outer layer glass fiber reticular cloth forms the grid that side length is 50~70mm.
4. insulation board according to claim 1 or 3, which is characterized in that the sewing block of glass wool layer with a thickness of 50~ 100mm, preferably 50~80mm；And/or the hard-foam polyurethane plate with a thickness of 30mm~90mm.
5. insulation board according to claim 1 or 4, which is characterized in that it is described sewing block of glass wool layer thickness with it is described The ratio between thickness of hard-foam polyurethane plate is 1.0~1.5:1.
6. described in any item insulation boards according to claim 1~5, which is characterized in that the hard-foam polyurethane plate is in the seam The straight forming of block of glass wool layer surface processed realizes the bonding to sewing the block of glass wool layer and outer layer cement glass-fiber-fabric.
7. described in any item insulation boards according to claim 1~6, which is characterized in that the thickness of the internal layer cement glass-fiber-fabric For 0.5~1.0mm, and/or, the outer layer cement glass-fiber-fabric with a thickness of 0.5~1.0mm.
8. described in any item insulation boards according to claim 1~7, which is characterized in that the internal layer cement glass-fiber-fabric with it is described It sews and is equipped with flame-retardant rigid-foam polyurethane adhesive between block of glass wool layer.
9. the preparation method of any one of claim 1~8 insulation board, which comprises the steps of:
1) glass fiber reticular cloth is covered in block of glass wool surfaces externally and internally, block of glass wool feeding quilter is sewed to get seam Block of glass wool layer processed；
2) adhesive is added in glue spreader, the sewing block of glass wool layer is transported in glue spreader by roll shaft, and will Its by glue spreader can continuous rotation roller bearing, realize the gluing to block of glass wool layer；
3) glue-coated sewing block of glass wool layer is transported in polyurethane sheet tinuous production by roll shaft transportation system, gluing The coated face of sewing block of glass wool layer afterwards is Nian Jie with the internal layer cement glass-fiber-fabric being laid in laminating machine, while in sewing glass The black material of non-coated face cast polyurethane of cotton plate and white material, as chain mat machine moves forwards, polyurethane mixture is gradually being sewed Block of glass wool surface blister, molding, and bonded outer layer cement glass-fiber-fabric using the adhesive property of polyurethane itself；Product Through solidification, cut to get.
10. according to the method described in claim 9, it is characterized in that, keeping laminating conveyor temperature during cast polyurethane Degree is between 55~65 DEG C, and the ratio for controlling the black material of polyurethane and white material is 1.4:1~1.8:1, laminating conveyor chain mat machine The speed of service is 3.5~4.5m/min.
CN201810963089.XA 2018-08-22 2018-08-22 A kind of sewing block of glass wool and the composite exterior wall insulating board of hard-foam polyurethane and preparation method thereof Pending CN109130377A (en)

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CN111267410A (en) * 2020-02-13 2020-06-12 北京建筑材料科学研究总院有限公司 Composite insulation board for external insulation of building external wall and preparation method thereof

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