CN107379215A - A kind of aluminium foil cement composite heat preserving material and its manufacture method - Google Patents

A kind of aluminium foil cement composite heat preserving material and its manufacture method Download PDF

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Publication number
CN107379215A
CN107379215A CN201710750566.XA CN201710750566A CN107379215A CN 107379215 A CN107379215 A CN 107379215A CN 201710750566 A CN201710750566 A CN 201710750566A CN 107379215 A CN107379215 A CN 107379215A
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China
Prior art keywords
aluminium foil
preparation
cement
shell
foamed cement
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CN201710750566.XA
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Chinese (zh)
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CN107379215B (en
Inventor
方世杰
张旦闻
张华�
张克胜
石雪
李晨
胡志萍
张伟
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Luoyang Institute of Science and Technology
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Luoyang Institute of Science and Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/52Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
    • B28B1/522Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement for producing multi-layered articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/50Producing shaped prefabricated articles from the material specially adapted for producing articles of expanded material, e.g. cellular concrete

Abstract

A kind of manufacture method of aluminium foil cement composite heat preserving material, including the preparation of polypropene staple, the preparation of gypsum shell, the preparation of foamed cement, the preparation of composite.Obtained aluminium foil cement composite heat preserving material advantages are:(1) there is excellent insulation, heat-blocking action, be a kind of to be particularly suitable for high and cold or high altitude localities house inner wall thermal insulation decorative material;(2) aluminium foil and cement are all avirulent materials, will not produce the toxic gases such as formaldehyde;(3) aluminium foil and foamed cement board are compound, and the aluminium foil on its top layer not only maintains the characteristics of hardness is big, tensile strength is big, and its tearing toughness is also significantly increased, very difficult to tear;(4) although cost is cheap, high-grade construction decoration material can be used as;(5) foamed cement with the addition of polypropene staple, make foamed cement that there is high intensity and certain toughness, composite general performance is gone out good intensity and toughness, be effectively prevented from because collide with or use in caused by cracking, fracture, deformation phenomena such as.

Description

A kind of aluminium foil cement composite heat preserving material and its manufacture method
Technical field
The invention belongs to building thermal insulation material field, more particularly to a kind of aluminium foil cement composite heat preserving material and its manufacturer Method.
Background technology
At present, heat-insulated, decoration panel used in domestic and international building curtain wall generally all uses aluminium-plastic panel.Aluminium-plastic panel is by multilayer Material cladding forms, and levels are high purity aluminum alloy plate, and intermediate layer is nontoxic, low-density polyethylene (PE) core plate, and it is just Face is coated with non-Fluorocarbon resin coating.This material is in inner wall of building masonry panel, ceiling, balcony, indoor compartment, unit On be used widely.The advantages of aluminium-plastic panel, will not be described in detail herein, but its weak point is obvious:First, due to being closed using aluminium Golden plate, for the thickness of aluminium alloy plate between 0.15~0.5mm, aluminium consumption is big, and aluminium sheet price is high;2nd, intermediate layer is using poly- Ethene core plate.According to internal price in 2017, common polythene raw material were 13000 yuan or so/ton, after being processed into sheet material It is expensive for 21000 yuan or so/ton.So considering from use cost, inner wall decoration insulation material price is done using aluminium-plastic panel It is high, therefore limits its a large amount of use.How material and production cost are reduced, produce a kind of cheap, guarantor Temperature top-grade building material of good performance is a technical problem urgently to be resolved hurrily.In view of this, a kind of aluminium is inventors herein proposed Paper tinsel cement composite heat preserving material and its manufacture method.
The content of the invention
It is the defects of for prior art, good it is an object of the invention to propose a kind of cheap and heat-insulating property Aluminium foil cement composite heat preserving material.
The purpose of the present invention is realized using following technical scheme.Answered according to a kind of aluminium foil cement proposed by the present invention Close insulation material, an including gypsum shell 4, the middle part of gypsum shell 4 offers the through hole 41 that runs through so as to form internal layer 42, outer Layer 43, internal layer 42, outer layer 43 form the unlimited accommodation space 44 in top;Foamed cement 2 has been poured in the accommodation space 44;It is described The outer surface of gypsum shell 4 is bonded with aluminium foil 5 by polyurethane adhesive, and the outer surface of the aluminium foil 5 is coated with non-fluorocarbon resin and applied Layer.
Further, the present invention replaces traditional aluminium-plastic panel on the top layer of material using aluminium foil 5, and the thickness of aluminium foil 5 is only The 1/30~1/50 of 0.005~0.009mm, only aluminium-plastic panel.The natural resistance to oxidation of aluminium foil, it is high-grade decoration and packaging material.
Further, foamed cement 2. is mainly used in accommodation space 44 i.e. (inside gypsum shell 4) due to foamed cement 2 It is middle to generate the cavity (i.e. stomata 1) for having air bubble-shaped, air is filled with cavity, the thermal conductivity of air will be well below solid material Material, therefore foamed cement 2 is good insulation material.What is more important, cement it is cheap, the market price in 2017 is only For 300~400 yuan/ton, only the 1/70 of polythene material price.
Further, the foamed cement 2 suppressed is connected by integral just acquisition by polyurethane adhesive aluminium foil 5 The composite that thermic load reflectivity is high, heat conduction velocity is low, cheap, high-grade.Because heat insulation effect is excellent, it is most suitable for As high latitude, High aititude, lack the energy regional architecture thing heat insulating inner wall materials'use, while be also suitable as various business Industry, the heat insulating inner wall ornament materials of civil buildings use.
The purpose of the present invention is also realized using following technical scheme.According to a kind of aluminium foil cementitious composite proposed by the present invention The manufacture method of insulation material, including it is the preparation of polypropene staple, the preparation of gypsum shell, the preparation of foamed cement, compound The preparation of material, the detailed process of each step are as follows:
A. the preparation of polypropene staple
A diameter of 18-22 μm of polypropylene filament is cut into the chopped fiber that length is 1~5mm;
B. the preparation of gypsum shell
Gypsum and polypropene staple are pressed into (50~120):After 1 mass ratio is sufficiently mixed, 40~50 are added DEG C warm water, the ratio of mixed material and warm water is (1~2.5):1;After being sufficiently stirred, it is poured into plaster formulation mould, coagulates It is after Gu that the taking-up of gypsum shell is standby;
C. the preparation of foamed cement
(1) batch mixing
By 150~280g Portland cements, the hydrogen peroxide that 12~25g concentration is 27.5%, 1.5~5.5g polypropylene Chopped fiber is sufficiently mixed, dry-mixed 2~5 minutes in mixer;Then 80~130g water wet mixing 2~5 minutes, adjustment are added PH=13~14 of mixed material;
(2) pour, foam, demoulding
Mixed material in step (1) is poured into gypsum shell, foamable reaction, foaming process are carried out in foaming machine About 4~6 minutes, after theing cement solidifies, demoulding took out foamed cement semi-finished product;
(3) it is surface-treated
Foamed cement semi-finished product are cut, repaired, polished, size is allowed to unanimously and the outer surface of gypsum shell is put down It is whole, smooth, complete;
D. prepared by composite
(1) it is bonded
One layer of polyurethane adhesive, the bonding foil that then will have been cut out equably are smeared on the outer surface of gypsum shell On plaster shell outer surface, and ensure that the smooth outer surface after bonding is smooth, no breakage;
(2) it is surface-treated
Non- Fluorocarbon resin coating is sprayed in aluminium foil outer surface.
The advantages of a kind of aluminium foil cement composite heat preserving material of the present invention and its manufacture method, is:
(1) composite has excellent insulation, heat-blocking action, is a kind of special as heat insulating inner wall ornament materials It is adapted to high and cold or high altitude localities house inner wall thermal insulation decorative material.Because three kinds of modes of heat transfer are hot spokes Penetrate, heat transfer and thermal convection current.In the winter time because window is essentially off, heat losses can be ignored caused by thermal convection current. Aluminium foil is up to 0.95 to the reflectivity of heat radiation, under encapsulation situations, if wall, ceiling all use this composite wood within doors Material, then within doors electrical equipment, heat radiation heat will not be largely lost to outside room caused by light.For heat transfer heat and Speech, the foamed cement of composite inner can effectively prevent the conduction of indoor heat.Because exist in foamed cement There is loose structure, be full of air in hole, because the thermal conductivity factor of air is only 0.029W/ (m ﹒ K), far smaller than solid is led Hot coefficient, therefore heat is larger by the resistance of stomata transmission, so that indoor heat conduction of velocity slows down significantly;
(2) aluminium foil and cement are all avirulent materials, will not produce the toxic gases such as formaldehyde.Even in big fire and high temperature In the case of, it will not also discharge toxic gas;
(3) hardness of aluminium foil is big, and tensile strength is also big.After composite is made, aluminium foil is compound with foamed cement board, its table The aluminium foil of layer not only maintains the characteristics of hardness is big, tensile strength is big, and its tearing toughness is also significantly increased, very difficult to tear;
(4) aluminium foil is properly termed as natural ornament materials, will not aoxidize, and is presented natural metallic luster, making it is compound Material is although cheap, but manufactured composite is high-grade construction decoration material;
(5) foamed cement with the addition of polypropene staple, foamed cement is had high intensity and certain toughness, make multiple Condensation material general performance goes out good intensity and toughness, be effectively prevented from because collide with or use in caused by cracking, fracture, deformation Phenomena such as.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and It can be practiced according to the content of specification, and to allow the above and other objects, features and advantages of the present invention can be brighter It is aobvious understandable, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Brief description of the drawings
Fig. 1 is a kind of cross-sectional view of aluminium foil cement composite heat preserving material of the present invention.
Fig. 2 is the schematic diagram of gypsum shell in the present invention.
【Main element symbol description】
1:Stomata
2:Foamed cement
3:Polypropene staple
4:Gypsum shell
5:Aluminium foil
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with Accompanying drawing and preferred embodiment, to according to its embodiment of a kind of aluminium foil cement composite heat preserving material proposed by the present invention, knot Structure, feature and its effect, describe in detail as after.
Refer to Fig. 1, Fig. 2, a kind of aluminium foil cement composite heat preserving material of the present invention, an including gypsum shell 4, outside the gypsum The middle part of shell 4 offers the through hole 41 run through so as to form internal layer 42, outer layer 43, and internal layer 42, outer layer 43 form the unlimited appearance in top 44 between being empty;Foamed cement 2 has been poured in the accommodation space 44;Glued by polyurethane adhesive the outer surface of gypsum shell 4 Aluminium foil 5 is connected to, the outer surface of the aluminium foil 5 is coated with non-Fluorocarbon resin coating.
Preferably, through hole 41 can be square, circular or rhombus, the present invention does not limit its shape, size.
Preferably, aluminium foil 5 can use light paper tinsel, the natural metallic luster of aluminium is kept;Also embossing film can be used, in aluminium foil surface It is pressed into various decorative patterns;Also colouring aluminium foil or printing aluminium foil can be used, generates a variety of colors and pattern effect, but the present invention is unlimited The species of aluminium foil processed, user can independently select.
Embodiment one
The manufacture method of aluminium foil cement composite heat preserving material proposed by the present invention includes the preparation of polypropene staple, gypsum The preparation of shell, the preparation of foamed cement, the preparation of composite, the detailed process of each step are as follows:
A. the preparation of polypropene staple
By a diameter of 20 μm of polypropylene filament, the chopped fiber that length is 1~2mm is cut into;
B. the preparation of gypsum shell
By gypsum and polypropene staple short-press 100:After 1 mass ratio is sufficiently mixed, warm water, mixture are added The ratio of material and water is 2:1.After being sufficiently stirred, it is poured into plaster formulation mould, it is after solidification that the taking-up of gypsum shell is standby;
C. the preparation of foamed cement
(1) batch mixing
200g Portland cements, the hydrogen peroxide that 15g concentration is 27.5%, 2.5g polypropene staples are carried out abundant Mixing, dry-mixed 2 minutes in mixer.Then 120g water wet mixing 2 minutes is added, adjusts pH=13~14 of mixed material;
(2) pour, foam, demoulding
Mixed material is poured into gypsum shell, carries out foamable reaction in foaming machine, foaming process about 4~6 minutes, After theing cement solidifies, demoulding takes out foamed cement semi-finished product;
(3) it is surface-treated
Foamed cement semi-finished product are cut, repaired, polished, size is allowed to unanimously and the outer surface of gypsum shell is put down It is whole, smooth, complete;
D. prepared by composite
(1) it is bonded
One layer of polyurethane adhesive, the bonding foil that then will have been cut out equably are smeared on the outer surface of gypsum shell On plaster shell outer surface, and ensure that the smooth outer surface after bonding is smooth, no breakage;
(2) it is surface-treated
Non- Fluorocarbon resin coating is sprayed in aluminium foil outer surface, to prevent aluminium foil surface from scratching.
The above described is only a preferred embodiment of the present invention, any person skilled in the art is not departing from In the range of technical solution of the present invention, the technical spirit according to the present invention is to any simple modification made for any of the above embodiments, equivalent Change and modification, in the range of still falling within technical solution of the present invention.

Claims (2)

1. a kind of aluminium foil cement composite heat preserving material, it is characterised in that including a gypsum shell (4), the gypsum shell (4) middle part The through hole (41) run through is offered so as to form internal layer (42), outer layer (43), internal layer (42), outer layer (43) form what top was opened wide Accommodation space (44);Foamed cement (2) has been poured in the accommodation space (44);Gypsum shell (4) outer surface passes through poly- ammonia Ester binding agent is bonded with aluminium foil (5), and the thickness of the aluminium foil (5) is 0.005~0.009mm, and its outer surface is coated with non-fluorine carbon tree Fat coating.
2. a kind of manufacture method of aluminium foil cement composite heat preserving material, it is characterised in that preparation, stone including polypropene staple The preparation of cream shell, the preparation of foamed cement, the preparation of composite, the detailed process of each step are as follows:
A. the preparation of polypropene staple
A diameter of 18-22 μm of polypropylene filament is cut into the chopped fiber that length is 1~5mm;
B. the preparation of gypsum shell
Gypsum and polypropene staple are pressed into (50~120):After 1 mass ratio is sufficiently mixed, 40~50 DEG C are added The ratio of warm water, mixed material and warm water is (1~2.5):1;After being sufficiently stirred, it is poured into plaster formulation mould, after solidification Gypsum shell is taken out standby;
C. the preparation of foamed cement
(1) batch mixing
By 150~280g Portland cements, the hydrogen peroxide that 12~25g concentration is 27.5%, the short fibre of 1.5~5.5g polypropylene Dimension is sufficiently mixed, dry-mixed 2~5 minutes in mixer;Then 80~130g water wet mixing 2~5 minutes, adjustment mixing are added PH=13~14 of material;
(2) pour, foam, demoulding
Mixed material obtained by step (1) is poured into gypsum shell, foamable reaction is carried out in foaming machine, foaming process is about 4~6 minutes, after theing cement solidifies, demoulding took out foamed cement semi-finished product;
(3) it is surface-treated
Foamed cement semi-finished product are cut, repaired, polished, are allowed to that size is consistent and the outer surface of gypsum shell is smooth, light It is sliding, complete;
D. prepared by composite
(1) it is bonded
One layer of polyurethane adhesive is equably smeared on the outer surface of gypsum shell, then by the bonding foil cut out in stone On cream shell outer surface;
(2) it is surface-treated
Non- Fluorocarbon resin coating is sprayed in aluminium foil outer surface.
CN201710750566.XA 2017-08-28 2017-08-28 Method for manufacturing aluminum foil cement composite thermal insulation material Active CN107379215B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201710750566.XA CN107379215B (en) 2017-08-28 2017-08-28 Method for manufacturing aluminum foil cement composite thermal insulation material

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CN107379215B CN107379215B (en) 2023-03-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113910415A (en) * 2021-11-03 2022-01-11 湖南绿生永固新材料有限公司 Preparation method of aerated concrete block

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2883535Y (en) * 2006-01-25 2007-03-28 吴浩民 Compounded building wall building blocks
JP2007170157A (en) * 2005-12-22 2007-07-05 Shuhei Noguchi Thermal barrier and thermal insulation cemented excelsior board
CN201738488U (en) * 2010-08-13 2011-02-09 胡瑞清 Z type mixed core-filled building block
CN201943242U (en) * 2011-01-01 2011-08-24 王德海 Foam concrete heat insulation brick
CN202000507U (en) * 2011-04-08 2011-10-05 李明忠 Aluminum foil air layer compounded heat-insulating plate
CN202131727U (en) * 2011-04-11 2012-02-01 戴佳筑 Sun-shading board for sunlight room
CN202850329U (en) * 2012-10-27 2013-04-03 贵州博典建材化工科技有限公司 Composite heat insulating block with alternate inner and outer cores
CN105220778A (en) * 2015-10-27 2016-01-06 张荣斌 A kind of external wall heat insulation structural
CN207290395U (en) * 2017-08-28 2018-05-01 洛阳理工学院 A kind of aluminium foil cement composite heat preserving material

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007170157A (en) * 2005-12-22 2007-07-05 Shuhei Noguchi Thermal barrier and thermal insulation cemented excelsior board
CN2883535Y (en) * 2006-01-25 2007-03-28 吴浩民 Compounded building wall building blocks
CN201738488U (en) * 2010-08-13 2011-02-09 胡瑞清 Z type mixed core-filled building block
CN201943242U (en) * 2011-01-01 2011-08-24 王德海 Foam concrete heat insulation brick
CN202000507U (en) * 2011-04-08 2011-10-05 李明忠 Aluminum foil air layer compounded heat-insulating plate
CN202131727U (en) * 2011-04-11 2012-02-01 戴佳筑 Sun-shading board for sunlight room
CN202850329U (en) * 2012-10-27 2013-04-03 贵州博典建材化工科技有限公司 Composite heat insulating block with alternate inner and outer cores
CN105220778A (en) * 2015-10-27 2016-01-06 张荣斌 A kind of external wall heat insulation structural
CN207290395U (en) * 2017-08-28 2018-05-01 洛阳理工学院 A kind of aluminium foil cement composite heat preserving material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113910415A (en) * 2021-11-03 2022-01-11 湖南绿生永固新材料有限公司 Preparation method of aerated concrete block
CN113910415B (en) * 2021-11-03 2023-09-29 湖南绿生永固新材料有限公司 Preparation method of aerated concrete block

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Application publication date: 20171124

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