ENERGY SAVING FILM STRUCTURE

Abstract

An energy-saving film structure includes a transparent fluorocarbon insulation, a PET substrate layer, an UV absorbing adhesive layer and a release film. The transparent fluorocarbon insulation not only has excellent infrared shielding rate but also has excellent weather resistance, and the layer is bonded to the PET substrate layer. The UV absorbing adhesive layer is attached to the release film on one side and to the PET substrate layer on the other side.

Claims

1. An energy saving film structure comprising a transparent fluorocarbon insulation, a PET substrate layer, an UV absorbing adhesive layer and a release film, wherein the fluorocarbon insulation is bonded to the PET substrate layer, one side of the UV absorbing adhesive layer is attached to the release film, and the other side of the UV absorbing adhesive layer is bonded to the PET substrate layer.

2. The energy saving film structure according to claim 1, wherein the fluorocarbon insulation includes, by weight percentage, 25 to 55 wt % of fluorocarbon resin, 30 to 65 wt % of infrared blocking nano material dispersion, 1 to 15 wt % of nano scratch resistant material dispersion, 0.01 to 1.2 wt % of leveling agent, and 15 to 40 wt % of mixed solvent.

3. The energy saving film structure according to claim 2, wherein the fluorocarbon resin is polyvinyl fluoride.

4. The energy saving film structure according to claim 2, wherein the infrared blocking nano material dispersion has a solid content of 20 to 40 wt %.

5. The energy saving film structure according to claim 2, wherein the infrared blocking nano material dispersion is a dispersion of a composite metal tungsten oxychloride doped with antimony, tin, antimony, bismuth or a combination thereof.

6. The energy saving film structure according to claim 2, wherein an average particle diameter of the infrared blocking nano material dispersion is from 30 nm to 100 nm.

7. The energy saving film structure according to claim 2, wherein an average particle diameter of the nano scratch resistant material dispersion is from 20 nm to 120 nm.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present disclosure will become more fully understood from the following detailed description and accompanying drawings.

[0020] FIG. 1 is a schematic view of an energy saving film structure of the present disclosure.

DETAILED DESCRIPTION OF THE EXEMPLARY EMBODIMENTS

[0021] The present disclosure is more particularly described in the following examples that are intended as illustrative only since numerous modifications and variations therein will be apparent to those skilled in the art. Like numbers in the drawings indicate like components throughout the views. As used in the description herein and throughout the claims that follow, unless the context clearly dictates otherwise, the meaning of a, an, and the includes plural reference, and the meaning of in includes in and on. Titles or subtitles can be used herein for the convenience of a reader, which shall have no influence on the scope of the present disclosure.

[0022] The terms used herein generally have their ordinary meanings in the art. In the case of conflict, the present document, including any definitions given herein, will prevail. The same thing can be expressed in more than one way. Alternative language and synonyms can be used for any term(s) discussed herein, and no special significance is to be placed upon whether a term is elaborated or discussed herein. A recital of one or more synonyms does not exclude the use of other synonyms. The use of examples anywhere in this specification including examples of any terms is illustrative only, and in no way limits the scope and meaning of the present disclosure or of any exemplified term. Likewise, the present disclosure is not limited to various embodiments given herein. Numbering terms such as first, second or third can be used to describe various components, signals or the like, which are for distinguishing one component/signal from another one only, and are not intended to, nor should be construed to impose any substantive limitations on the components, signals or the like.

First Embodiment

[0023] Referring to FIG. 1, a first embodiment of the present disclosure provides a four-layer composite structure, which is sequentially composed of a fluorocarbon insulation (a film layer of a combination of a polyvinyl fluoride and a nano infrared barrier material), a PET substrate layer, an UV absorbing adhesive layer, and a release film After blending the polyvinyl fluoride and the nano infrared barrier material into a coating liquid, the coating is directly applied to one side of the PET substrate, and the UV absorbing adhesive is applied to the other side of the PET substrate relative to another side of the infrared barrier layer, and then the release film is coated on the UV absorbing adhesive layer to protect an adhesive layer.

[0024] In the first embodiment, the film layer of the polyvinyl fluoride and the nano infrared barrier material is composed of the following components by weight: 30 wt % of fluorocarbon resin; 30 wt % of inorganic blocking nano material dispersion, whose average particle diameter is from 30 nm to 100 nm; 10 wt % of the nano scratch resistant material dispersion, whose average particle diameter is from 20 nm to 120 nm; 0.5 wt % of a leveling agent (or a rheological agent); and 29.5 wt % of a mixed solvent.

Second Embodiment

[0025] Referring to FIG. 1, a second embodiment of the present disclosure provides a four-layer composite structure, which is sequentially composed of a film layer of a combination of a polyvinyl fluoride and a nano infrared barrier material, a PET substrate layer, an UV absorbing adhesive layer, and a release film After blending the polyvinyl fluoride and the nano infrared barrier material into a coating liquid, the coating is directly applied to one side of the PET substrate, and the UV absorbing adhesive is applied to the other side of the PET substrate relative to another side of the infrared barrier layer, and then the release film is coated on the UV absorbing adhesive layer to protect an adhesive layer. Compared to the first embodiment, the present embodiment increases the weight percentage of the infrared blocking nano material dispersion.

[0026] In the second embodiment, the film layer of the polyvinyl fluoride and the nano infrared barrier material is composed of the following components by weight: 35 wt % of fluorocarbon resin; 50 wt % of inorganic blocking nano material dispersion, whose average particle diameter is from 30 nm to 100 nm; 10 wt % of the nano scratch resistant material dispersion, whose average particle diameter is from 20 nm to 120 nm; 0.5 wt % of a leveling agent; and 9.5 wt % of a mixed solvent.

Comparative Example 1

[0027] Referring to FIG. 1, a comparative example 1 provides a four-layer composite structure, which is sequentially composed of a film layer of a combination of a PMMA resin and a nano infrared barrier material, a PET substrate layer, an UV absorbing adhesive layer, and a release film After blending a polyvinyl fluoride (such as PMMA resin) and the nano infrared barrier material into a coating liquid, the coating is directly applied to one side of the PET substrate, and the UV absorbing adhesive is applied to the other side of the PET substrate relative to another side of the infrared barrier layer, and then the release film is coated on the UV absorbing adhesive layer to protect an adhesive layer. Compared to the second embodiment, the comparative example replaced a polyvinyl fluoride resin with the PMMA resin.

[0028] In the second embodiment, the film layer of the polyvinyl fluoride and the nano infrared barrier material is composed of the following components by weight: 35 wt % of PMMA resin; 50 wt % of inorganic blocking nano material dispersion; 10 wt % of the nano scratch resistant material dispersion; 0.5 wt % of a leveling agent; and 9.5 wt % of a mixed solvent.

Comparative Example 2

[0029] Referring to FIG. 1, a comparative example 2 provides a four-layer composite structure, which is sequentially composed of a film layer of a combination of a fluorocarbon resin and a nano infrared barrier material, a PET substrate layer, an UV absorbing adhesive layer, and a release film After blending a polyvinyl fluoride and an ATO barrier material into a coating liquid, the coating is directly applied to one side of the PET substrate, and the UV absorbing adhesive is applied to the other side of the PET substrate relative to another side of the infrared barrier layer, and then the release film is coated on the UV absorbing adhesive layer to protect an adhesive layer. Compared to the second embodiment, the comparative example 2 replaces the inorganic blocking nano material dispersion with an ATO dispersion, that is a dispersion of a composite metal tungsten oxychloride doped with a metal element such as cerium (cs) or tin (sn) or cerium (sb) or cerium (bi) at an appropriate ratio.

[0030] In the comparative example 2, the film layer of the polyvinyl fluoride and the nano infrared barrier material is composed of the following components by weight: 35 wt % of fluorocarbon resin; 50 wt % of the ATO dispersion; 10 wt % of the nano scratch resistant material dispersion; 0.5 wt % of a leveling agent; and 9.5 wt % of a mixed solvent.

Comparative Example 3

[0031] Referring to FIG. 1, a comparative example 3 provides a four-layer composite structure, which is sequentially composed of a film layer of a combination of a fluorocarbon resin and a nano infrared barrier material, a PET substrate layer, an UV absorbing adhesive layer, and a release film After blending a polyvinyl fluoride and a ITO barrier material into a coating liquid, the coating is directly applied to one side of the PET substrate, and the UV absorbing adhesive is applied to the other side of the PET substrate relative to another side of the infrared barrier layer, and then the release film is coated on the UV absorbing adhesive layer to protect an adhesive layer. Compared to the second embodiment, the comparative example 3 replaces the inorganic blocking nano material dispersion with an ITO dispersion, that is a dispersion of a composite metal tungsten oxychloride doped with a metal element such as cerium (cs) or tin (sn) or cerium (sb) or cerium (bi) at an appropriate ratio.

[0032] In the comparative example 3, the film layer of the polyvinyl fluoride and the nano infrared barrier material is composed of the following components by weight: 35 wt % of fluorocarbon resin; 50 wt % of the ITO dispersion; 10 wt % of the nano scratch resistant material dispersion; 0.5 wt % of a leveling agent; and 9.5 wt % of a mixed solvent.

TABLE-US-00001 TABLE 1 Comparison of the embodiments and the comparative examples of the present disclosure, and a ready-made energy saving films. case ready-made First Second Comparative Comparative Comparative energy item embodiment embodiment example 1 example 2 example 3 saving films Infrared block 56 95 94 61 42 54 (700~2500 nm, %) Visible light 73 71 74 65 74 66 penetration (400~780 nm, %) UV blocking 99 99 99 99 99 97 (below 400 nm, %) Weather resistance Color e = 1.4 e = 3.7 e = 1.8 e = 2.2 e = 5.3 (xenon arc lamp difference 3000hrs) (e) = 1.3 Wear resistance 3h 3h 1h 3h 3h 1h ( ASTM D3363) Self-cleaning good good fair good good poor

[0033] The foregoing description of the exemplary embodiments of the disclosure has been presented only for the purposes of illustration and description and is not intended to be exhaustive or to limit the disclosure to the precise forms disclosed. Many modifications and variations are possible in light of the above teaching.

[0034] The embodiments were chosen and described in order to explain the principles of the disclosure and their practical application so as to enable others skilled in the art to utilize the disclosure and various embodiments and with various modifications as are suited to the particular use contemplated. Alternative embodiments will become apparent to those skilled in the art to which the present disclosure pertains without departing from its spirit and scope.