CN202399592U

CN202399592U - Heat insulating film

Info

Publication number: CN202399592U
Application number: CN 201120464050
Authority: CN
Inventors: 王军生; 王治安; 童洪辉
Original assignee: Southwestern Institute of Physics
Current assignee: Southwestern Institute of Physics
Priority date: 2011-11-21
Filing date: 2011-11-21
Publication date: 2012-08-29
Anticipated expiration: 2021-11-21

Abstract

The utility model belongs to the technical field of heat insulating films, and particularly relates to a quasi-unidirectional perspective heat insulating film which has high heat insulating performance, low internal visible light reflecting rate and moderate external visible light reflecting rate. A heat insulating film with a single substrate structure comprises a hardened layer, a first substrate layer, a compound clad layer, a metal clad layer, a pressure-sensitive adhesive layer and an anti-sticking layer; and a heat insulating film with double substrate structures comprises a hardened layer, a first substrate layer, a compound clad layer, a metal clad layer, a pressure-sensitive adhesive layer and an anti-sticking layer. The heat insulating film has the advantages of high heat insulating performance, high infrared ray reflecting rate, high external visible light reflecting rate, low internal visible light reflecting rate and quasi-unidirectional perspectivity, and is very suitable to be taken as side windscreens and back windscreens of automobiles and building glass films.

Description

Thermal isolation film

Technical field

The utility model belongs to the thermal isolation film technical field, and it is good to be specifically related to a kind of heat-proof quality, and the moderate accurate single plane fluoroscopy thermal isolation film of low, the outer visible reflectance of interior visible reflectance.

Background technology

Glass heat-proof adopts methods such as coating film on glass or pad pasting usually, and the Heat insulation type adhering film high comprehensive performance obtains using comparatively widely.The reflection type thermal insulation film is representational at present mainly is sputter/evaporation coating two big systems.General sputtered film and evaporating film belong to inside and outside both sides all can have the film of more reflection, particularly low-transmittance to visible light, and reflective meeting is higher, and the ghost image of the indoor reflection of the thermal isolation film of this reflection-type also can influence the outside transparent effect of glass pane.

Summary of the invention

The purpose of the utility model is to provide a kind of heat-proof quality good, and interior visible reflectance is low, and the moderate accurate single plane fluoroscopy thermal isolation film of outer visible light reflection is to overcome the defective that above-mentioned existing thermal isolation film exists.

For achieving the above object, the technical scheme that the utility model is taked is:

A kind of thermal isolation film comprises hardened layer, first substrate layer, compound coating, the coat of metal, pressure-sensitive adhesive layer and adherent layer successively.

A kind of thermal isolation film comprises hardened layer, first substrate layer, compound coating, composite layer, the coat of metal, second substrate layer, pressure-sensitive adhesive layer and adherent layer successively.

Between the described coat of metal and the pressure-sensitive adhesive layer and the coat of metal be provided with protective coating.

Described protective coating is that TiNx, TiOx, SnO, ZnO compound coating or its mix coating, or Ni, the Cr coat of metal; Said protective coating thickness is 2～6nm.。

Described compound coating is TiNx, TiOx compound coating, and the visible light transmittance rate of described compound coating is 20%～70%; Said compound thickness of coating is 10～60nm.

Described compound coating is TiNx compound coating, and the visible light transmittance rate of described compound coating is 30%～50%.

The described coat of metal is Ni, Cr, Ti, Al, the Cu coat of metal or its alloy layer or plates several kinds of coats of metal among Ni, Cr, Ti, Al, the Cu successively; The visible light transmittance rate of the described coat of metal is 10%～60%; The said coat of metal (4) thickness is 5～30nm.

The visible light transmittance rate of the described coat of metal is 20%～40%.

Said first substrate layer and second substrate layer are the PET base material.

Said thin hardened layer is 2～6 μ m; The first substrate layer thickness is 15～100 μ m; Pressure-sensitive adhesive layer thickness is 3～9 μ m; Adherent layer thickness is 10～30 μ m; Composite layer thickness is 3～9 μ m; The second substrate layer thickness is 15～80 μ m.

The beneficial effect that the utility model is obtained is:

The coat of metal in the said thermal isolation film of the utility model mainly plays reflected infrared ray and certain visible light, promptly mainly plays heat insulation and difficult perspective outside window; Compound coating reduces internal reflection on the one hand, increases perspectivity in the window, further intercepts infrared ray on the other hand, plays auxiliary heat-blocking action.Therefore this thermal isolation film has that heat-proof quality is good, the infrared reflection rate is higher, visible reflectance is high outside and low outside, the advantage of accurate single plane fluoroscopy, is fit to very much do automobile side shelves glass, back shelves glass and building glass pad pasting.

Description of drawings

Fig. 1 is the said single matrix structure thermal isolation film structure chart of the utility model;

Fig. 2 is the said bi base material structural heat-insulation of the utility model membrane structure figure;

Among the figure: 1, hardened layer; 2, first substrate layer; 3, compound coating; 4, the coat of metal; 5, protective coating; 6, pressure-sensitive adhesive layer; 7, adherent layer; 8, composite layer; 9, second substrate layer.

The specific embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.

As shown in Figure 1, the said single matrix structure thermal isolation film of the utility model comprises hardened layer 1, first substrate layer 2, compound coating 3, the coat of metal 4, pressure-sensitive adhesive layer 6 and adherent layer 7 successively; Between the coat of metal 4 and the pressure-sensitive adhesive layer 6 and the coat of metal 4 be provided with protective coating 5.

As shown in Figure 2, the said bi base material structural heat-insulation of the utility model film comprises hardened layer 1, first substrate layer 2, compound coating 3, composite layer 8, the coat of metal 4, second substrate layer 9, pressure-sensitive adhesive layer 6 and adherent layer 7 successively.

Said compound coating 3 is compound coating such as TiNx, TiOx, wherein preferred TiNx coating; The visible light transmittance rate of said compound coating 3 is 20%～70%, is preferably 30%～50%.

The said coat of metal 4 is for the coat of metal or its alloy layer such as Ni, Cr, Ti, Al, Cu or plate several kinds of coats of metal among Ni, Cr, Ti, Al, the Cu successively; The visible light transmittance rate of the said coat of metal 4 is 10%～60%, is preferably 20%～40%; For single matrix structure thermal isolation film, protective coating 5 can be set as required, on the coat of metal 4 to prevent the coat of metal 4 oxidations; Said protective coating 5 is compound coating or its mixing coating such as TiNx, TiOx, SnO, ZnO, also can be the sludge proof coats of metal such as Ni, Cr.

Said hardened layer 1 adopts existing curing agent to be applied on the base material and forms, play the effect that protection first substrate layer 2 is not scratched; Said first substrate layer 2 and second substrate layer 9 are the PET base material; Said pressure-sensitive adhesive layer 6 plays bonding effect with composite layer 8; Said adherent layer 7 is the protective layer of pressure-sensitive adhesive layer 6, takes adherent layer 7 during use off and is pasted on glass through pressure-sensitive adhesive layer 6 thermal isolation film.

Wherein hardened layer 1 thickness is 2～6 μ m; First substrate layer, 2 thickness are 15～100 μ m; Compound coating 3 thickness are 10～60nm; The coat of metal 4 thickness are 5～30nm; Protective coating 5 thickness are 2～6nm; Pressure-sensitive adhesive layer 6 thickness are 3～9 μ m; Adherent layer 7 thickness are 10～30 μ m; Composite layer 8 thickness are 3～9 μ m; Second substrate layer, 9 thickness are 15～80 μ m.

Embodiment 1

A kind of single matrix structure thermal isolation film comprises successively: hardened layer 1, first substrate layer 2, TiNx compound coating 3, the Ti coat of metal 4, TiO ₂Protective coating 5, pressure-sensitive adhesive layer 6 and adherent layer 7; Wherein, the visible light transmittance rate of TiNx compound coating 3 is 50%, and the visible light transmittance rate of the Ti coat of metal 4 is 18%.

Embodiment 2

A kind of bi base material structural heat-insulation film comprises successively: hardened layer 1, first substrate layer 2, TiNx compound coating 3, composite layer 8, Ni, the Cr coat of metal 4, second substrate layer 9, pressure-sensitive adhesive layer 6 and adherent layer 7; Wherein the visible light transmittance rate of TiNx compound coating 3 is 40%, and the visible light transmittance rate of Ni, the Cr coat of metal 4 is 30%, and the visible light transmittance rate of final thermal isolation film is about 20%.

Embodiment 3

A kind of bi base material structural heat-insulation film comprises successively: hardened layer 1, first substrate layer 2, TiNx compound coating 3, composite layer 8, Ni, the Cr coat of metal 4, second substrate layer 9, pressure-sensitive adhesive layer 6 and adherent layer 7; Wherein the visible light transmittance rate of TiNx compound coating 3 is 45%, and the visible light transmittance rate of Ni, the Cr coat of metal 4 is 30%, and the visible light transmittance rate of final thermal isolation film is about 15%.

Claims

1. thermal isolation film, it is characterized in that: this thermal isolation film comprises hardened layer (1), first substrate layer (2), compound coating (3), the coat of metal (4), pressure-sensitive adhesive layer (6) and adherent layer (7) successively.

2. thermal isolation film, it is characterized in that: this thermal isolation film comprises hardened layer (1), first substrate layer (2), compound coating (3), composite layer (8), the coat of metal (4), second substrate layer (9), pressure-sensitive adhesive layer (6) and adherent layer (7) successively.

3. thermal isolation film according to claim 1 is characterized in that: between the described coat of metal (4) and the pressure-sensitive adhesive layer (6) and the coat of metal (4) be provided with protective coating (5).

4. thermal isolation film according to claim 3 is characterized in that: described protective coating (5) is TiNx, TiOx, SnO, ZnO compound coating, or Ni, the Cr coat of metal; Said protective coating (5) thickness is 2 ~ 6nm.

5. thermal isolation film according to claim 1 and 2; It is characterized in that: described compound coating (3) is TiNx, TiOx compound coating; The visible light transmittance rate of described compound coating (3) is 20% ~ 70%, and said compound coating (3) thickness is 10 ~ 60nm.

6. thermal isolation film according to claim 5 is characterized in that: described compound coating (3) is TiNx compound coating, and the visible light transmittance rate of described compound coating (3) is 30%～50%.

7. thermal isolation film according to claim 1 and 2 is characterized in that: the described coat of metal (4) is Ni, Cr, Ti, Al, the Cu coat of metal or plates several kinds of coats of metal among Ni, Cr, Ti, Al, the Cu successively; The visible light transmittance rate of the described coat of metal (4) is 10%～60%; The said coat of metal (4) thickness is 5 ~ 30nm.

8. thermal isolation film according to claim 7 is characterized in that: the visible light transmittance rate of the described coat of metal (4) is 20%～40%.

9. thermal isolation film according to claim 1 and 2 is characterized in that: said first substrate layer (2) and second substrate layer (9) are the PET base material.

10. thermal isolation film according to claim 1 and 2 is characterized in that: said hardened layer (1) thickness is 2 ~ 6 μ m; First substrate layer (2) thickness is 15 ~ 100 μ m; Pressure-sensitive adhesive layer (6) thickness is 3 ~ 9 μ m; Adherent layer (7) thickness is 10 ~ 30 μ m; Composite layer (8) thickness is 3 ~ 9 μ m; Second substrate layer (9) thickness is 15 ~ 80 μ m.