CN202248332U

CN202248332U - Vacuum insulation board for buildings

Info

Publication number: CN202248332U
Application number: CN2011202870612U
Authority: CN
Inventors: 吴理侃
Original assignee: SHANDONG BAFULI CHEMICAL BUILDING MATERIALS CO Ltd
Current assignee: SHANDONG BAFULI CHEMICAL BUILDING MATERIALS CO Ltd
Priority date: 2011-08-09
Filing date: 2011-08-09
Publication date: 2012-05-30
Anticipated expiration: 2021-08-09

Abstract

The utility model discloses a vacuum insulation board for buildings. The insulation board comprises an insulation core and two protective gas insulation composite films which wrap the insulation core; the insulation core is located in a vacuum chamber formed by the two protective gas insulation composite films; the outermost layer of each gas insulation composite film is a fabric layer which can be adhered with the walls of buildings and the innermost layer is a heat sealing layer; at least one aluminum foil layer is arranged between the outermost layer and the innermost layer; every adjacent two layers of each protective gas insulation composite film are adhered and fixed through adhesive or coating PE (Polyethylene); and moreover, a getter is arranged in the insulation core so that the air permeating in the insulation core can be absorbed in time. The vacuum insulation board for buildings is simple in structure, convenient for production and low in heat conductivity, has good insulation effect, is capable of achieving the nationally regulated fire protection requirements and can be well popularized in the construction industry.

Description

The vacuum insulation insulating board for building

Technical field

The utility model relates to the warming plate technical field, relates in particular to a kind of vacuum insulation insulating board for building.

Background technology

Vacuum heat-insulating plate is a kind of in the vacuum thermal insulating material; Its structure generally is to be composited by insulation core and protection trapping film; It can avoid the caused heat of cross-ventilation to transmit effectively; In refrigerator manufacturing field application is extremely widely arranged,, also have the building of a little when building, to use vacuum heat-insulating plate nowadays along with the rise of Building Trade in China; Play an effect that building interior and extraneous heat are isolated; Its method for using promptly is that vacuum heat-insulating plate is pasted on the body of wall, bonding on its outer surface then finish material, but this vacuum heat-insulating plate simple in structure exists many problems when being applied to building heat preservation, adiabatic field: as thermal insulation slab by traditional EPS (molded polystyrene plate), XPS (extruded polystyrene plate) or PU material mades such as (hard-foam polyurethane plates); Though its insulation, insulation effect are good, the building fire protection requirement that does not reach national regulation; And for the glass bead material that can reach national fire protection requirement; Its defective is that coefficient of thermal conductivity is higher; Be applied to architectural insulation, the insulation effect of can not playing preferably; So often realize insulation, thermal insulation, but increased its weight so undoubtedly, strengthened the cost input through increasing its thickness.

The utility model content

The utility model technical problem to be solved is: a kind of vacuum insulation insulating board for building is provided, and this warming plate is applied to can play good insulation effect on the construction wall.

For solving the problems of the technologies described above; The technical scheme of the utility model is: the vacuum insulation insulating board for building; The protection trapping composite membrane that comprises insulation core and the said insulation core of parcel; Said protection trapping composite membrane is a layer structure, the outermost layer of layered structure be can with the tissue layer of building masonry wall bonding, innermost layer is a thermal synthesis layer.

As a preferred implementation, be provided with one deck aluminium foil layer at least between the outermost layer of said protection trapping composite membrane and the innermost layer, pass through adhesive or curtain coating PE fixed bonding between the adjacent two layers of layered structure.

As a preferred implementation, layered structure also comprises PA rete or PET rete or PVDC rete or EVOH rete.

As a preferred implementation, said tissue layer is glass fabric, ceramic fiber cloth, plant fiber cloth or chemical fiber cloth.

As a preferred implementation, said thermal synthesis layer is PE film, CPP film or BOPP film.

As a preferred implementation, said insulation in-core is provided with getter.

As a preferred implementation, said insulation core is glass fiber cotton core, ceramic fibre cotton core, mineral wool core, rock wool core, rock mineral wool core, powder silica core or above-mentioned two or more combination.

---as a preferred implementation, said insulation core is the aeroge core.

After having adopted technique scheme; The beneficial effect of the utility model is: because the outermost layer of protection trapping composite membrane is tissue layer that can be mutually bonding with building masonry wall; Innermost layer is a thermal synthesis layer; Then can the insulation core be placed between two such protection trapping composite membranes, in vacuum chamber, utilize the thermal synthesis layer of innermost layer to be bonded as one then, thereby form vacuum chamber at the periphery of insulation core; Will be wherein during use the tissue layer of a side be bonded on the building masonry wall, bonding finish material gets final product on the tissue layer of opposite side.

Owing between outermost layer and innermost layer, be provided with one deck aluminium foil layer at least; And all be adhesively fixed between the layer of this protection trapping composite membrane and the layer through adhesive or curtain coating PE; The gas barrier property of aluminium foil layer and choke, the heat insulation effect that heat reflectivity increases the vacuum insulation insulating board for building not only can be utilized, and the whole stability of protection trapping composite membrane can be strengthened through the bonding effect of adhesive or curtain coating PE.

Because this protection trapping composite membrane also comprises PA rete or PET rete or PVDC rete or EVOH rete, can increase whole mechanical strength and the anti-puncture ability of protection trapping composite membrane effectively, make it be fit to the insulation requirement of construction wall more.

Owing to be provided with getter at the insulation in-core, then can the air that infiltrate wherein in time be absorbed, the insulation core is under the vacuum state all the time, guaranteed the heat insulation effect of vacuum insulation insulating board for building, prolonged its application life.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is a kind of structure enlarged diagram of protection trapping composite membrane in the utility model;

Fig. 3 is the another kind of structure enlarged diagram of protection trapping composite membrane in the utility model;

Among the figure: 1. protect the trapping composite membrane; 11. tissue layer; 12. adhesive; 13. aluminium foil layer; 14. thermal synthesis layer; 151.PA rete; 152.PET rete; 2. insulation core; 21. getter.

The specific embodiment

As shown in Figure 1; Structural representation for the vacuum insulation insulating board for building; This warming plate comprises insulation core 2 and two protection trapping composite membranes 1; Said insulation core 2 is positioned at said two vacuum spaces that protection trapping composite membrane 1 is surrounded, and said insulation core 2 can be selected glass fibre cotton core, ceramic fibre cotton core, mineral wool core, rock wool core, rock mineral wool core, powder silica core or above-mentioned two or more combination for use, also can select for use the aeroge core to use separately certainly.

In addition; For heat insulation effect and the application life that guarantees the vacuum insulation insulating board for building; In said insulation core 2, be provided with some getters 21, when air infiltrated through said protection trapping composite membrane 1, said getter 21 can be in time with its absorption; Guarantee that said insulation core 2 is in the vacuum environment all the time, getter 21 described herein can be by calcium oxide, calcium hydroxide and alloy composition.

As shown in Figure 2; A kind of embodiment for said protection trapping composite membrane 1; This protection trapping composite membrane 1 is a stratiform structure, its outermost layer be can be mutually bonding with building masonry wall tissue layer 11, innermost layer is a thermal synthesis layer 14; Tissue layer 11 described herein can be glass fabric, ceramic fiber cloth, plant fiber cloth or chemical fiber cloth; And plant fiber cloth comparatively commonly used can select for use diablement fort as material, and chemical fiber cloth can select for use woven dacron or polyamide fabric as material, and the effect of said thermal synthesis layer 14 is: when making warming plate; Is one through thermal synthesis layer 14 at the mutual adhering and sealing of the periphery of insulation core with two protection trapping composite membranes 1, thereby forms vacuum chamber.

Between the thermal synthesis layer 14 of said tissue layer 11 and innermost layer, also be provided with one deck aluminium foil layer 13; Be adhesively fixed through adhesive 12 between said aluminium foil layer 13 and said tissue layer 11, the thermal synthesis layer 14 simultaneously, the aluminium foil layer 13 here can be one deck, also can be set to multilayer; Because aluminium foil layer has certain gas barrier property and heat reflectivity; Therefore can increase the heat insulation effect of vacuum insulation insulating board for building, when said aluminium foil layer 13 is provided with multilayer, same between said protection trapping composite membrane 1 adjacent two-layer through adhesive 12 fixed bondings; Certainly; The adhesive 12 here also can use curtain coating PE to substitute, and when producing, only need be heated suitable temperature, through pushing the effect that can play fixing bonding equally.

Said thermal synthesis layer 14 can be the PE film production; Also can select common heat molten type high molecula resin films such as CPP film, BOPP film for use; Said thermal synthesis layer 14, adhesive 12 or curtain coating PE not only can play the bonding effect of heat seal herein, and can suitably improve the mechanical strength of vacuum insulation insulating board for building.

As shown in Figure 3; Another kind of embodiment for said protection trapping composite membrane 1; Embodiment difference among this embodiment and Fig. 2 is: the layer structure of this protection trapping composite membrane 1 also comprises PA rete or PET rete or PVDC rete or EVOH rete; Shown in the figure promptly is the situation that one deck PA rete 151 and one deck PET rete 152 are set respectively in the both sides of said aluminium foil layer 13, and certainly, but said PA rete, PET rete, PVDC rete and EVOH rete can be provided with multilayer and mutual alternative; Between they and the said aluminium foil layer 13 all are lack of alignment, and adjacent two-layer between still through adhesive 12 or the fixing bonding of curtain coating PE.

The effect that PA rete described herein, PET rete, PVDC rete and EVOH rete are played all is mechanical strength and the puncture resistances that increase said protection trapping composite membrane 1; Make it meet the insulation requirement of construction wall more; All the other structures among this embodiment are identical with the embodiment among Fig. 2, repeat no more at this.

In the utility model, each code name is represented as follows: PE: polyvinyl; CPP: un-stretched polypropylene; BOPP: Biaxially oriented polypropylene; PA: polyamide; PET: PETG; PVDC: polyvinylidene chloride; EVOH: ethylene-vinyl alcohol copolymer.

This vacuum insulation insulating board for building is simple in structure; It is convenient to manufacture; Its protection trapping composite membrane has mechanical strength and paracentesis resistance preferably; Be incubated core simultaneously and can absorb the air of infiltration in time, thereby guaranteed the heat insulation effect of vacuum insulation insulating board for building, also prolonged its application life effectively.

The utility model is not limited to the above-mentioned specific embodiment, and all are based on the technical conceive of the utility model, and the structural improvement of having done all falls among the protection domain of the utility model.

Claims

1. vacuum insulation insulating board for building; The protection trapping composite membrane that comprises insulation core and the said insulation core of parcel; It is characterized in that: said protection trapping composite membrane is a layer structure, the outermost layer of layered structure be can with the tissue layer of building masonry wall bonding, innermost layer is a thermal synthesis layer.

2. vacuum insulation insulating board for building as claimed in claim 1; It is characterized in that: be provided with one deck aluminium foil layer at least between the outermost layer of said protection trapping composite membrane and the innermost layer, pass through adhesive or curtain coating PE fixed bonding between the adjacent two layers of layered structure.

3. vacuum insulation insulating board for building as claimed in claim 2 is characterized in that: layered structure also comprises PA rete or PET rete or PVDC rete or EVOH rete.

4. like described any vacuum insulation insulating board for building of claim 1 to 3, it is characterized in that: said tissue layer is glass fabric, ceramic fiber cloth, plant fiber cloth or chemical fiber cloth.

5. vacuum insulation insulating board for building as claimed in claim 4 is characterized in that: said thermal synthesis layer is PE film, CPP film or BOPP film.

6. vacuum insulation insulating board for building as claimed in claim 1 is characterized in that: said insulation in-core is provided with getter.

7. vacuum insulation insulating board for building as claimed in claim 6 is characterized in that: said insulation core is the aeroge core.