CN211054570U

CN211054570U - PET composite aluminum foil flame-retardant film

Info

Publication number: CN211054570U
Application number: CN201921125034.8U
Authority: CN
Inventors: 杨守成; 王华生
Original assignee: Huizhou Moma Dingli Technology Co ltd
Current assignee: Huizhou Moma Dingli Technology Co ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-07-21
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a fire-retardant membrane of PET composite aluminum foil, including the fire-retardant overburden that from top to bottom sets gradually, the PET layer, compound glue film, aluminium foil layer and gloss oil layer. The utility model discloses a coating contains nanometer titanium dioxide's gloss oil layer at aluminium foil-PET combined material's aluminium foil face, realizes sunproof, ageing-resistant effect, simultaneously, coating contains the epoxy printing ink layer of nitrogen phosphorus system flame retardant powder on aluminium foil-PET combined material's PET face, reaches fire-retardant effect. The utility model discloses be applied to green house's manufacturing, can obtain a section and reach the fire-retardant material of Germany D4102-B1 rank. The utility model discloses a fire-retardant membrane is through shredding the back, and together with the transparent fire-retardant PET membrane that shreds, the fine line of glass of high silica is used to weave the net formation, is applied to the wall materials of green house etc..

Description

PET composite aluminum foil flame-retardant film

Technical Field

The utility model relates to a building flame retardant material technical field especially relates to a PET composite aluminum foil flame retardant film.

Background

With the progress of the flame retardant material technology, particularly the rise of ecological agriculture, the requirements on agricultural building materials such as vegetable greenhouses and the like are higher and higher, the fireproof performance and the environment-friendly quality are improved while the agricultural production is ensured, the damage of agricultural workers to the vegetable greenhouses due to fire, Kongming lantern and the like is greatly reduced, and the influence of the degradation and precipitation of halogen components on the environment is reduced.

The traditional vegetable greenhouse uses polyvinyl chloride, polypropylene and other materials which cannot meet the fireproof requirements of buildings, and in addition, the materials have low temperature resistance, weather resistance, puncture resistance and other performances, are poor in reusability and waste resources greatly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PET composite aluminum foil flame retardant film that weatherability is good, the fire resistance is good to solve the problem that current film weatherability for green house, fire resistance are poor and reuse is low.

For solving the above technical problem, the utility model discloses a technical scheme is: the utility model provides a fire-retardant membrane of PET composite aluminum foil, includes the fire-retardant overburden that sets gradually from top to bottom, PET layer, compound glue film, aluminium foil layer and gloss oil layer.

As a preferred embodiment of the present invention, the flame retardant coating layer is a coating layer composed of an epoxy resin and nitrogen-phosphorus flame retardant powder; the flame-retardant covering layer is 10-12 um. And coating a flame-retardant covering layer on the PET layer to ensure that the PET layer has a stable flame-retardant effect.

As a preferred embodiment of the present invention, the composite adhesive layer is a polyurethane composite adhesive layer; the thickness of the composite glue layer is 3-5 um. The high-performance water-based polyurethane adhesive has the excellent performances of good water resistance and medium resistance, high adhesive strength, large initial adhesion, freeze-thaw resistance, high temperature resistance and the like.

As a preferred embodiment of the present invention, the varnish layer is a coating layer composed of epoxy resin and nano titanium dioxide; the thickness of the gloss oil layer is 1-2 μm. The gloss oil layer is used for sun-proof waterproof, prevents that the aluminium foil from being oxidized, and can prolong the ageing-resistant time of aluminium foil face, improves the life of aluminium foil, and the gloss oil layer can also provide stable reverberation output, promotes the thermal insulation performance of rete.

As a preferred embodiment of the present invention, the aluminum foil layer has a thickness of 6 to 8 um.

As a preferred embodiment of the present invention, the thickness of the PET layer is 25 um.

To sum up, the application the technical scheme of the utility model, following beneficial effect has: the utility model discloses a coating contains nanometer titanium dioxide's gloss oil layer at aluminium foil-PET combined material's aluminium foil face, realizes sunproof, ageing-resistant effect, simultaneously, coating contains the epoxy printing ink layer of nitrogen phosphorus system flame retardant powder on aluminium foil-PET combined material's PET face, reaches fire-retardant effect. The utility model discloses be applied to the manufacturing of green house, obtain a section and reach German D4102-B1 hierarchical fire-retardant material. After being shredded, the material is woven into a net together with a shredded transparent flame-retardant PET film by using high silica glass fiber wires, and is applied to wall materials of agricultural greenhouses and the like.

Drawings

Fig. 1 is a schematic structural diagram of the PET composite aluminum foil flame-retardant film of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, but does not constitute a limitation to the scope of the present invention.

Example 1

Fig. 1 is a schematic structural diagram of a PET composite aluminum foil flame-retardant film provided in embodiment 1 of the present invention. As shown in the figure, the embodiment 1 of the utility model provides a PET composite aluminum foil flame retardant film, in proper order by supreme including down: the coating comprises a gloss oil layer 5, an aluminum foil layer 4, a composite adhesive layer 3, a PET layer 2 and a flame-retardant covering layer 1, wherein the gloss oil layer is a coating layer formed by epoxy resin and nano titanium dioxide, and the thickness of the gloss oil layer is 1 mu m; the composite glue layer is a polyurethane composite glue layer, and the thickness of the composite glue layer is 3 mu m; the flame-retardant covering layer 1 is a coating layer formed by epoxy resin and nitrogen-phosphorus flame-retardant powder, and the thickness of the coating layer is 10 mu m; the thickness of the aluminum foil layer 4 is 6 microns, and the thickness of the PET layer 2 is 25 microns, so that the aluminum foil layer is too thin to be beneficial to slitting of a shredding factory and the like; too thick results in high cost and poor flame retardancy.

The utility model discloses the fire-retardant membrane of PET composite aluminum foil at first needs to use the compound of polyurethane glue to compound 4 and PET layers 2 on the aluminium foil layer. And then, on the aluminum foil layer 4, the epoxy resin varnish layer 1 containing nano titanium dioxide is coated. At last the fire-retardant overburden 5 of epoxy that contains the fire-retardant powder of nitrogen phosphorus solid content more than 50% of coating on PET layer 2, the utility model discloses a fire-retardant membrane has guaranteed the difficult oxidation of aluminium foil face promptly, also completely cuts off steam simultaneously, improves the life-span. The surface flame-retardant covering layer 1 brings excellent flame-retardant effect to the whole material. Can pass the Western flame retardant standards of Germany, United states and the like.

Example 2

The embodiment 1 of the utility model provides a PET composite aluminum foil flame retardant film is by supreme including down in proper order: the coating comprises a gloss oil layer 5, an aluminum foil layer 4, a composite adhesive layer 3, a PET layer 2 and a flame-retardant covering layer 1, wherein the gloss oil layer is a coating layer formed by epoxy resin and nano titanium dioxide, and the thickness of the gloss oil layer is 2 microns; the composite glue layer is a polyurethane composite glue layer, and the thickness of the composite glue layer is 5 mu m; the flame-retardant covering layer 1 is a coating layer formed by epoxy resin and nitrogen-phosphorus flame-retardant powder, and the thickness of the coating layer is 12 micrometers; the thickness of the aluminum foil layer 4 is 8 mu m, the thickness of the PET layer 2 is 25 mu m, and the aluminum foil layer is too thin to be beneficial to cutting of a shredding factory and the like; too thick results in high cost and poor flame retardancy. The manufacturing method is the same as in example 1.

Example 3

The embodiment 1 of the utility model provides a PET composite aluminum foil flame retardant film is by supreme including down in proper order: the coating comprises a gloss oil layer 5, an aluminum foil layer 4, a composite adhesive layer 3, a PET layer 2 and a flame-retardant covering layer 1, wherein the gloss oil layer is a coating layer formed by epoxy resin and nano titanium dioxide, and the thickness of the gloss oil layer is 2 microns; the composite glue layer is a polyurethane composite glue layer, and the thickness of the composite glue layer is 4 mu m; the flame-retardant covering layer 1 is a coating layer formed by epoxy resin and nitrogen-phosphorus flame-retardant powder, and the thickness of the coating layer is 11 micrometers; the thickness of the aluminum foil layer 4 is 7 mu m, the thickness of the PET layer 2 is 25 mu m, and the aluminum foil layer is too thin to be beneficial to cutting of a shredding factory and the like; too thick results in high cost and poor flame retardancy. The manufacturing method is the same as in example 1.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. The PET composite aluminum foil flame-retardant film is characterized in that: the coating comprises a flame-retardant covering layer, a PET layer, a composite adhesive layer, an aluminum foil layer and a gloss oil layer which are sequentially arranged from top to bottom.

2. The PET composite aluminum foil flame retardant film according to claim 1, characterized in that: the flame-retardant covering layer is a coating layer composed of epoxy resin and nitrogen-phosphorus flame-retardant powder.

3. The PET composite aluminum foil flame retardant film according to claim 1, characterized in that: the flame-retardant covering layer is 10-12 mu m.

4. The PET composite aluminum foil flame retardant film according to claim 1, characterized in that: the composite adhesive layer is a polyurethane composite adhesive layer.

5. The PET composite aluminum foil flame retardant film according to claim 1, characterized in that: the thickness of the composite glue layer is 3-5 μm.

6. The PET composite aluminum foil flame retardant film according to claim 1, characterized in that: the thickness of the aluminum foil layer is 6-8 μm.

7. The PET composite aluminum foil flame retardant film according to claim 1, characterized in that: the thickness of the gloss oil layer is 1-2 μm.

8. The PET composite aluminum foil flame retardant film according to claim 1, characterized in that: the thickness of the PET layer was 25 μm.