CN210970234U

CN210970234U - Curved glass

Info

Publication number: CN210970234U
Application number: CN201921735283.9U
Authority: CN
Inventors: 蔡训儒; 焦其意; 陆涛
Original assignee: Changhong Meiling Co Ltd
Current assignee: Changhong Meiling Co Ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-07-10
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a curved surface glass relates to curved surface glass technical field, the utility model discloses a glass original sheet, a glass original sheet side from interior to exterior high temperature printing ink silk screen printing in proper order has product L OGO layer, wire drawing texture layer, dominant color layer and priming paint layer, and after glass original sheet curved surface was handled, silk screen printing waterborne polyurethane low temperature printing ink layer on the priming paint layer of the first region of glass original sheet pasted the rupture membrane on the priming paint layer of the second region of glass original sheet.

Description

Curved glass

Technical Field

The utility model belongs to the technical field of curved surface glass, especially, relate to a curved surface glass.

Background

At present, the appearance color of curved glass is mostly manufactured by adopting high-temperature ink through screen printing, the main component of the high-temperature ink is metal oxide, the oxide has large particles, large holes exist between ink layers, and solvents such as acid, alkali, butanone and the like easily permeate into the holes, so that the solvent resistance of the curved glass is poor. This current situation affects the performance of curved glass and greatly limits the application area of curved glass.

The utility model provides curved glass, which is characterized in that a waterborne polyurethane low-temperature ink layer is silk-screened and printed on a priming paint layer of a first area; because the low-temperature ink belongs to a high-molecular polymer, after being baked and cured at high temperature to form a film, solvents such as acid, alkali and the like can be well blocked, and the solvent resistance of the curved glass can be greatly improved; meanwhile, the anti-explosion film is adhered on the primer layer of the second area, so that solvents such as acid, alkali and the like can be well blocked, and the solvent resistance of the curved glass is greatly improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a curved glass, which is characterized in that a waterborne polyurethane low-temperature ink layer is silk-screened on a priming paint layer of a first area; because the low-temperature ink belongs to a high-molecular polymer, after being baked and cured at high temperature to form a film, solvents such as acid, alkali and the like can be well blocked, and the solvent resistance of the curved glass can be greatly improved; meanwhile, the anti-explosion film is adhered on the primer layer of the second area, so that solvents such as acid, alkali and the like can be well blocked, and the solvent resistance of the curved glass is greatly improved.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to curved glass, which comprises a glass original sheet, wherein a side surface of the glass original sheet is sequentially printed with a L OGO layer, a wire drawing texture layer, a main color layer and a primer layer by high-temperature printing ink screen from inside to outside;

after the curved surface of the glass original sheet is treated, a waterborne polyurethane low-temperature ink layer is silk-screened on the primer layer of the first area of the glass original sheet; an explosion-proof film is adhered on the primer layer of the second area of the glass original sheet;

the first area is a plane area of the glass original sheet; the second area is a curved area of the glass original sheet.

A manufacturing process of curved glass comprises the following steps:

a00, cutting and polishing the glass sheet, and then adopting high-temperature ink to screen-print a L OGO layer of a product;

a01, adopting high-temperature ink silk-screen wire-drawing texture layer on the L OGO layer of the product;

a02: adopting high-temperature ink to screen print a main color layer on the wire-drawing texture layer;

a03: forming a primer layer on the main color layer by adopting high-temperature ink silk-screen primer;

a04: bending and molding the silk-screen-printed glass sheet at 820 ℃, and then performing toughening treatment at 640 ℃;

a05: silk-screen printing a waterborne polyurethane low-temperature ink layer on the primer layer of the first area, placing the primer layer in a hot drying tunnel at 220 ℃, and keeping the temperature for 10min to enable the waterborne polyurethane low-temperature ink to be cured into a film;

a06: and adhering an explosion-proof film on the primer layer of the second area.

Preferably, in the process of curing and film-forming the aqueous polyurethane low-temperature ink in A05, the temperature is 180-240 ℃, and the time lasts for 8-12 min; the aqueous polyurethane may be replaced by an aqueous epoxy resin.

Preferably, the explosion-proof membrane can be replaced by a PE protective membrane or a PET protective membrane.

The utility model discloses an aspect has following beneficial effect:

1. the utility model discloses a silk screen printing waterborne polyurethane low temperature printing ink layer on the priming paint layer of first region; because the low-temperature ink belongs to a high-molecular polymer, after being baked and cured at high temperature to form a film, solvents such as acid, alkali and the like can be well blocked, and the solvent resistance of the curved glass can be greatly improved; meanwhile, the low-temperature ink has small particle size, is easy to permeate into a cavity between high-temperature ink layers, has good wettability, enables the ink layer to have high fusion degree and good binding force, and effectively improves the primer drawing force of the curved glass.

2. The utility model discloses a paste the rupture membrane on the priming paint layer in second region, solvents such as separation acid, alkali that can be fine promote curved surface glass solvent resistance by a wide margin.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the curved glass of the present invention;

FIG. 2 is a flow chart of a process for manufacturing curved glass according to the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-glass sheet, 2-L OGO layer of product, 3-wire-drawing texture layer, 4-main color layer, 5-primer layer, 61-aqueous polyurethane low-temperature ink layer and 62-explosion-proof membrane.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "middle", "length", "inner", etc. indicate positional or orientational relationships and are merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1, the utility model relates to curved glass, which comprises a glass sheet 1, wherein a side surface of the glass sheet 1 is provided with a L OGO layer 2, a wire drawing texture layer 3, a main color layer 4 and a primer layer 5 by high-temperature ink silk-screen printing in sequence from inside to outside;

after the glass original sheet 1 is subjected to curved surface treatment, a waterborne polyurethane low-temperature ink layer 61 is silk-screened on the primer layer 5 of the first area 11 of the glass original sheet 1; adhering an explosion-proof film 62 on the primer layer 5 of the second region 12 of the glass original sheet 1;

the first region 11 is a planar region of the glass original sheet 1; the second region 12 is a curved surface region of the glass original sheet 1.

Referring to fig. 2, a manufacturing process of curved glass includes the following steps:

a00, cutting and polishing the glass sheet 1, and then adopting high-temperature ink silk-screen printing product L OGO layer 2;

a01, silk-screen printing a wire-drawing texture layer 3 on a L OGO layer 2 by using high-temperature ink;

a02: a main color layer 4 is printed on the wire drawing texture layer 3 by high-temperature printing ink;

a03: forming a primer layer 5 on the primary color layer 4 by adopting high-temperature ink silk-screen primer;

a04: bending and molding the glass sheet 1 subjected to silk-screen printing at 820 ℃, and then performing toughening treatment at 640 ℃;

a05: silk-screen printing of a waterborne polyurethane low-temperature ink layer 61 on the primer layer 5 of the first area 11, placing in a hot drying tunnel at 220 ℃, and keeping for 10min to enable the waterborne polyurethane low-temperature ink to be cured into a film;

wherein, in the process of curing and film-forming the waterborne polyurethane low-temperature ink, the temperature is 180-240 ℃, and the time lasts for 8-12 min; the waterborne polyurethane can be replaced by waterborne epoxy resin;

a06: adhering an explosion-proof film 62 on the primer layer 5 of the second region 12; the explosion-proof membrane 62 can be replaced by a PE protective membrane or a PET protective membrane.

The acid resistance of the middle curved surface glass can be improved from 2h to 20h, the alkali resistance can be improved from 3h to 20h, and the drawing force of the primer can be improved from 2MPa to 8 MPa; effectively improves the service performance of the curved glass and expands the application field of the curved glass.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The curved glass is characterized by comprising a glass original sheet (1), wherein a side surface of the glass original sheet (1) is sequentially printed with an L OGO layer (2), a wire drawing texture layer (3), a main color layer (4) and a primer layer (5) by high-temperature ink silk screen from inside to outside;

after the curved surface of the glass original sheet (1) is treated, a waterborne polyurethane low-temperature ink layer (61) is silk-screened on the primer layer (5) of the first area (11) of the glass original sheet (1); an explosion-proof film (62) is adhered on the primer layer (5) of the second area (12) of the glass original sheet (1);

the first area (11) is a plane area of the glass original sheet (1); the second area (12) is a curved area of the glass original sheet (1).