阅读说明：本技术 一种带有电磁屏蔽效果的防弹窗玻璃的制备方法 (Preparation method of bulletproof window glass with electromagnetic shielding effect ) 是由 杨全路 杨校强 刘昭 于 2019-11-25 设计创作，主要内容包括：本发明涉及防弹玻璃生产的技术领域,特别是涉及一种带有电磁屏蔽效果的防弹窗玻璃的制备方法,其工艺简单,耗费时间短,利于工厂化；包括以下步骤：(1)将8mm厚屏蔽玻璃、8mm厚普通玻璃、5块0.63mm厚PU、2块3mm厚PC、2块4mm厚PC和1块8mm厚丙烯酸用无水乙醇清洁干净备用；(2)将步骤(1)中材料按照如下顺序叠加,8mm厚屏蔽玻璃+0.63mm厚PU+3mm厚PC+0.63mm厚PU+4mm厚PC+0.63mm厚PU+8mm厚丙烯酸+0.63mm厚PU+4mm厚PC+0.63mm厚PU+3mm厚PC+蜡光牛皮纸+8mm厚普通玻璃,形成中间产品；(3)将步骤(2)中中间产品放到高温真空袋中并用耐高温双面胶带密封,高温真空袋中间预留出气口,真空泵输入端与出气口连通；(4)高温真空袋进釜压制；(5)开釜,拆除高温真空袋,去除蜡光牛皮纸和8mm厚普通玻璃。(The invention relates to the technical field of production of bulletproof glass, in particular to a preparation method of bulletproof glass with an electromagnetic shielding effect, which has the advantages of simple process, short consumed time and contribution to factory production; the method comprises the following steps: (1) cleaning 8mm thick shielding glass, 8mm thick common glass, 5 blocks of PU with the thickness of 0.63mm, 2 blocks of PC with the thickness of 3mm, 2 blocks of PC with the thickness of 4mm and 1 block of acrylic acid with the thickness of 8mm by using absolute ethyl alcohol for later use; (2) superposing the materials in the step (1) in the following order, wherein the shielding glass with the thickness of 8mm, the PU with the thickness of 0.63mm, the PC with the thickness of 3mm, the PU with the thickness of 0.63mm, the PC with the thickness of 4mm, the PU with the thickness of 0.63mm, the acrylic acid with the thickness of 8mm, the PU with the thickness of 0.63mm, the PC with the thickness of 4mm, the PU with the thickness of 0.63mm, the PC with the thickness of 3mm, the frosted kraft paper and the common glass with the thickness of 8mm form an intermediate; (3) putting the intermediate product in the step (2) into a high-temperature vacuum bag and sealing the high-temperature vacuum bag by using a high-temperature-resistant double-sided adhesive tape, reserving an air outlet in the middle of the high-temperature vacuum bag, and communicating the input end of a vacuum pump with the air outlet; (4) putting a high-temperature vacuum bag into a kettle for pressing; (5) and opening the kettle, dismantling the high-temperature vacuum bag, and removing the waxed kraft paper and the common glass with the thickness of 8 mm.)

1. A preparation method of bulletproof window glass with electromagnetic shielding effect is characterized by comprising the following steps:

(1) cleaning 8mm thick shielding glass, 8mm thick common glass, 5 blocks of PU with the thickness of 0.63mm, 2 blocks of PC with the thickness of 3mm, 2 blocks of PC with the thickness of 4mm and 1 block of acrylic acid with the thickness of 8mm by using absolute ethyl alcohol for later use;

(2) superposing the materials in the step (1) in the following order, wherein the shielding glass with the thickness of 8mm, the PU with the thickness of 0.63mm, the PC with the thickness of 3mm, the PU with the thickness of 0.63mm, the PC with the thickness of 4mm, the PU with the thickness of 0.63mm, the acrylic acid with the thickness of 8mm, the PU with the thickness of 0.63mm, the PC with the thickness of 4mm, the PU with the thickness of 0.63mm, the PC with the thickness of 3mm, the frosted kraft paper and the common glass with the thickness of 8mm form an intermediate;

(3) putting the intermediate product in the step (2) into a high-temperature vacuum bag and sealing the high-temperature vacuum bag by using a high-temperature-resistant double-sided adhesive tape, reserving an air outlet in the middle of the high-temperature vacuum bag, and communicating the input end of a vacuum pump with the air outlet;

(4) putting a high-temperature vacuum bag into a kettle for pressing;

(5) and opening the kettle, closing a valve of the vacuum pump, dismantling the high-temperature vacuum bag, and removing the waxed kraft paper and the common glass with the thickness of 8 mm.

2. The method for preparing a bulletproof window glass with electromagnetic shielding effect according to claim 1, wherein the 8mm thick shielding glass coating layer in the step (2) is contacted with 0.63mm thick PU.

3. The method for producing a bulletproof window glass having an electromagnetic shielding effect according to claim 2, wherein the satin kraft paper satin surface in the step (2) is in contact with PC having a thickness of 3 mm.

Technical Field

The invention relates to the technical field of production of bulletproof glass, in particular to a preparation method of bulletproof glass with an electromagnetic shielding effect.

Background

As is well known, bullet-proof glass is a laminated safety glass with a specific blocking capability against bullets, and has the light and image transmission performance of glass, and at the same time, is a transparent material with a certain bullet-proof capability. The glass can be widely applied to counters, museums, archives, high-grade residences, prisons and other important places of units such as banks, postal service, telecommunication, securities, insurance and the like and cash carriers, and is also a variety which is widely and rapidly developed in the field of security products.

Disclosure of Invention

In order to solve the technical problems, the invention provides a preparation method of the bulletproof window glass with the electromagnetic shielding effect, which has the advantages of simple process, short consumed time and contribution to factory production.

The preparation method of the bulletproof window glass with the electromagnetic shielding effect preferably comprises the following steps:

(1) cleaning 8mm thick shielding glass, 8mm thick common glass, 5 blocks of PU with the thickness of 0.63mm, 2 blocks of PC with the thickness of 3mm, 2 blocks of PC with the thickness of 4mm and 1 block of acrylic acid with the thickness of 8mm by using absolute ethyl alcohol for later use;

(2) superposing the materials in the step (1) in the following order, wherein the shielding glass with the thickness of 8mm, the PU with the thickness of 0.63mm, the PC with the thickness of 3mm, the PU with the thickness of 0.63mm, the PC with the thickness of 4mm, the PU with the thickness of 0.63mm, the acrylic acid with the thickness of 8mm, the PU with the thickness of 0.63mm, the PC with the thickness of 4mm, the PU with the thickness of 0.63mm, the PC with the thickness of 3mm, the frosted kraft paper and the common glass with the thickness of 8mm form an intermediate;

(3) putting the intermediate product in the step (2) into a high-temperature vacuum bag and sealing the high-temperature vacuum bag by using a high-temperature-resistant double-sided adhesive tape, reserving an air outlet in the middle of the high-temperature vacuum bag, and communicating the input end of a vacuum pump with the air outlet;

(4) putting a high-temperature vacuum bag into a kettle for pressing;

(5) and opening the kettle, closing a valve of the vacuum pump, dismantling the high-temperature vacuum bag, and removing the waxed kraft paper and the common glass with the thickness of 8 mm.

According to the preparation method of the bulletproof window glass with the electromagnetic shielding effect, preferably, in the step (2), the shielding glass film coating layer with the thickness of 8mm is contacted with PU with the thickness of 0.63 mm.

Preferably, in the step (2), the wax polished surface of the waxed kraft paper is contacted with PC with the thickness of 3 mm.

Compared with the prior art, the invention has the beneficial effects that: the scheme can finish the manufacture of the bulletproof window glass with the electromagnetic shielding effect in a short time, and the manufactured bulletproof glass has high structural strength and impact resistance and is suitable for large-scale popularization.

Description of the drawings:

FIG. 1 is a graph of vacuum over time for a high temperature vacuum bag;

FIG. 2 is a graph of the temperature inside the kettle as a function of time;

FIG. 3 is a graph of the pressure in the kettle as a function of time.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Example (b):

cleaning 8mm thick shielding glass, 8mm thick common glass, 5 PU with 0.63mm thickness, 2 PC with 3mm thickness, 2 PC with 4mm thickness and 1 acrylic acid with 8mm thickness with absolute ethyl alcohol for later use, stacking the materials in the step (1) according to the following sequence that 8mm thick shielding glass +0.63mm thick PU +3mm thick PC +0.63mm thick PU +4mm thick PC +0.63mm thick PU +8mm thick acrylic acid +0.63mm thick PU +4mm thick PC +0.63mm thick PU +3mm thick PC + wax light kraft paper +8mm thick common glass forms an intermediate product, contacting the 8mm thick shielding glass coating layer with the PU with 0.63mm thickness, contacting the wax light kraft paper wax light surface with the PC with 3mm thickness, placing the intermediate product into a high-temperature vacuum bag and sealing with a high-temperature resistant double-sided adhesive tape, reserving an air outlet in the middle of the vacuum bag, communicating the input end of the high-temperature vacuum bag with the air outlet of the high-temperature vacuum bag, and pressing the high-temperature vacuum bag into a autoclave as shown in figure 1, the temperature and pressure in the autoclave are shown in fig. 2 and 3, the autoclave is opened, the valve of the vacuum pump is closed, the high-temperature vacuum bag is dismantled, and the waxed kraft paper and the common glass with the thickness of 8mm are removed.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.