CN214299972U

CN214299972U - PVB film for laminated glass

Info

Publication number: CN214299972U
Application number: CN202022989866.3U
Authority: CN
Inventors: 郑庆阳
Original assignee: Kuida High Molecular Material Technology Yixing Co ltd
Current assignee: Kuida High Molecular Material Technology Yixing Co ltd
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-09-28
Anticipated expiration: 2030-12-12

Abstract

The utility model discloses a PVB film for laminated glass, including first outer film, unidirectional reflection rete and first PVB glued membrane, the lower surface laminating of first outer film has the unidirectional reflection rete, the lower surface laminating of unidirectional reflection rete has first PVB glued membrane, the lower surface laminating of first PVB glued membrane has the buffer layer, the lower surface laminating of buffer layer has second PVB glued membrane, the lower surface laminating of second PVB glued membrane has second outer film. The utility model discloses a single direction reflection rete that sets up has better one-way perspective effect, and the glass luminousness is higher, and outdoor can't see clearly indoor, indoor can clearly see clearly outdoor, has realized one-way perspective effect, and the setting of first PVB glued membrane and second PVB glued membrane has better laminating nature, even there is glass breakage, broken one side also can not drop, still keeps integrality, but still sustainable use a period has fail safe nature.

Description

PVB film for laminated glass

Technical Field

The utility model belongs to the technical field of the PVB film is relevant, concretely relates to PVB film for laminated glass.

Background

The PVB film is a semitransparent film, has good cohesive force on quartz glass, has the characteristics of transparency, heat resistance, cold resistance, high mechanical strength and the like, is an excellent adhesive material for manufacturing laminated glass, ensures that the laminated glass for buildings becomes a safety glass material with excellent performance because the PVB film is firmly and flexibly adhered with the glass, ensures that once the glass is damaged, fragments of the glass can still be adhered with an intermediate film, the glass still keeps complete and can continuously resist impact and wind and rain, thereby avoiding personal injury or property loss caused by falling of the glass, can resist the penetration of accidental impact no matter vertically or obliquely installed, ensures that the laminated glass produced by the PVB film is very tough, even if a thief breaks the glass, the intermediate film and the glass are firmly adhered together, still keep integrity, so the thief can not enter a room, can save guardrails after the laminated glass is installed, the PVB film with elasticity in the laminated glass has a blocking effect on sound waves, and very effectively reduces unpleasant noise conduction, particularly, after the laminated glass is installed in buildings on two sides of airports, stations, downtown cities and roads, the sound insulation effect is very obvious, the PVB film reduces ultraviolet light to the maximum extent and shields harmful light of more than 99%, so that valuable furniture, wall maps, displays or commodities are protected, fading is avoided from being influenced by ultraviolet radiation, the building laminated glass made of the PVB intermediate film can effectively reduce sunlight to pass through, and the laminated glass made of the deep-color low-transmittance PVB film has the same thickness and stronger heat blocking capacity, so that the effects of keeping room temperature, reducing the starting frequency of an air conditioner and saving energy are achieved.

The prior art has the following problems: along with the urban development expansion, laminated glass application range is wider and wider, and the PVB film is widely applied, and the existing one-way perspective PVB film has poor one-way perspective effect, is easy to damage, and can embody the one-way perspective effect only by needing higher brightness difference.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PVB film for laminated glass to propose in solving above-mentioned background art along with the city development enlarges, laminated glass application range is more and more wide, and the PVB film is used extensively, and current one-way perspective PVB film exists that one-way perspective effect is poor, and easy damage, and need higher luminance difference just can embody the problem of one-way perspective effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PVB film for laminated glass, includes first outer film, unidirectional reflection rete and first PVB glued membrane, the lower surface laminating of first outer film has the unidirectional reflection rete, the lower surface laminating of unidirectional reflection rete has first PVB glued membrane, the lower surface laminating of first PVB glued membrane has the buffer layer, the lower surface laminating of buffer layer has second PVB glued membrane, the lower surface laminating of second PVB glued membrane has the outer film of second.

Preferably, the first outer layer film is laminated with the unidirectional reflection film layer through a PVB adhesive film, and the buffer layer is laminated through a first PVB adhesive film and a second PVB adhesive film.

Compared with the prior art, the utility model provides a PVB film for laminated glass possesses following beneficial effect:

1. the utility model discloses a one-way reflection rete that sets up has better one-way perspective effect, and the glass luminousness is higher, and outdoor can't see indoor things clearly, and indoor can clearly see clearly outdoor, has realized one-way perspective effect.

2. The utility model discloses a first PVB glued membrane and second PVB glued membrane that set up have better laminating nature, even there is glass breakage, broken one side also can not drop, still keeps integrality, and still sustainable use a period has fail safe nature.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a PVB film for laminated glass according to the present invention;

in the figure: 1. a first outer layer film; 2. a second outer layer film; 3. a unidirectional reflective film layer; 4. a first PVB adhesive film; 5. a second PVB adhesive film; 6. a buffer layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a PVB film for laminated glass, includes first outer layer film 1, unidirectional reflection rete 3 and first PVB glued membrane 4, and first outer layer glass 1 is positive, and the surface is outdoor promptly, and the lower surface laminating of first outer layer film 1 has unidirectional reflection diaphragm 3, and first outer layer film 1 passes through the laminating of PVB glued membrane with unidirectional reflection diaphragm 3, and the lower surface laminating of unidirectional reflection diaphragm 3 has first PVB glued membrane 4.

The lower surface of the first PVB adhesive film 4 is provided with the buffer layer 6, the buffer layer 6 is of a wave structure, the arrangement of the buffer layer 6 improves the adhesion of the PVB adhesive film, has better buffer effect on the PVB film, the lower surface of the buffer layer 6 is adhered with the second PVB film 5, the buffer layer 6 is adhered with the second PVB film 5 through the first PVB film 4, the first PVB adhesive film 4 and the second PVB adhesive film 5 are jointed, so that the jointing property between the first outer-layer adhesive film 1 and the second outer-layer adhesive film 2 is firmer, even if the glass is broken, the broken surface can not fall off, the integrity is still maintained, the glass can be continuously used for a period of time, the safety and the reliability are realized, the second outer-layer film 2 is attached to the lower surface of the second PVB adhesive film 5, the second outer-layer film is the back surface, i.e. the surface is facing indoors, when the first outer layer film 1 with the surface outside reflects light more strongly and brightly, the better the one-way perspective effect is achieved.

The utility model discloses a theory of operation and use flow:

during the use, with first outer film 1 towards outdoor laminating in laminated glass, make the one-way reflection rete 3 towards the outside, be used for the reflection light, the back is the laminating in laminated glass of second outer film 2 towards indoor, as the outdoor first outer film 1 reflection light of facing stronger, more bright, the one-way perspective effect of realization is better, realized that outdoor can't see clearly indoor, indoor can clearly see clearly outdoor, the one-way perspective effect has been improved, through first PVB glued membrane 4 and second PVB glued membrane 5's setting, make the laminating nature between first outer film 1 and the second outer film 2 firmer, even glass breakage its piece still can be pasted together with the PVB glued membrane, can not drop, glass still keeps the integrality, still sustainable use a period of time, safety and reliability have.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PVB film for laminated glass, includes first outer film (1), one-way reflection rete (3) and first PVB glued membrane (4), its characterized in that: the lower surface laminating of first outer film (1) has one-way reflection rete (3), the lower surface laminating of one-way reflection rete (3) has first PVB glued membrane (4), the lower surface laminating of first PVB glued membrane (4) has buffer layer (6), the lower surface laminating of buffer layer (6) has second PVB glued membrane (5), the lower surface laminating of second PVB glued membrane (5) has second outer film (2).

2. The PVB film for laminated glass according to claim 1, wherein: first outer film (1) passes through the laminating of PVB glued membrane with unidirectional reflection rete (3), buffer layer (6) are laminated through first PVB glued membrane (4) and second PVB glued membrane (5).