阅读说明：本技术 一种具有耐高温的流媒体后视镜贴合生产方法 (High-temperature-resistant streaming media rearview mirror laminating production method ) 是由 陈成光 于 2021-07-28 设计创作，主要内容包括：本发明公开了一种具有耐高温的流媒体后视镜贴合生产方法,包括以下步骤：对偏光片原膜与剥离膜复合粘贴,以得到偏光片基体,将清洗后的偏光片基体送入等离子处理机进行进一步的加工处理,确保偏光片对胶水的适用性,以此得到等离子处理后的偏光片,将等离子处理后的偏光片连同液晶屏幕与玻璃盖板贴合,利用光学粘胶层配合进行粘接,且计算待贴合的液晶屏幕上的贴合面胶,配合后视镜玻璃盖板的贴合面积,选用合适的光学粘胶OCA层厚度,完成产品检测后得到完整的流媒体后视镜。本发明提出的一种耐高温流媒体后视镜,通过优化工艺流出,能够使得流媒体后视镜成品避免高温环境下偏光片发生膨胀,以确保在高温环境下流媒体后视镜的使用效果。(The invention discloses a high-temperature-resistant flow media rearview mirror laminating production method, which comprises the following steps: the original film and the stripping film of the polaroid are compositely adhered to obtain a polaroid matrix, the cleaned polaroid matrix is sent to a plasma processor for further processing, the applicability of the polaroid to glue is ensured, the polaroid after plasma processing is obtained, the polaroid after plasma processing is attached to a liquid crystal screen and a glass cover plate together, an optical adhesive layer is matched for bonding, the adhesive surface glue on the liquid crystal screen to be attached is calculated, the adhesive area of the glass cover plate of the rearview mirror is matched, the thickness of an appropriate optical adhesive OCA layer is selected, and the complete streaming media rearview mirror is obtained after product detection. According to the high-temperature-resistant streaming media rearview mirror, the outflow process is optimized, so that the finished streaming media rearview mirror can be prevented from being expanded by the polarizer in a high-temperature environment, and the using effect of the streaming media rearview mirror in the high-temperature environment is ensured.)

1. A method for producing a high-temperature-resistant streaming media rearview mirror in a laminating manner is characterized by comprising the following steps: the method comprises the following steps:

s1, selecting a rearview mirror glass cover plate, testing the strength of the glass cover plate, and ensuring that the surface of the glass cover plate is smooth and flat and has no black spots;

s2, preprocessing a polarizer in a liquid crystal screen to be attached, unwinding an unprocessed TAC film, performing chemical treatment, unwinding a PVA film, performing stretching and dyeing steps, adhering the processed PVA film and the TAC film in a compounding manner, and winding to obtain an original polarizer film;

s3, compounding and sticking the polarizer original film and the stripping film to obtain a polarizer matrix, sending the cleaned polarizer matrix into a plasma processor for further processing to ensure the applicability of the polarizer to glue, thus obtaining the polarizer after plasma processing;

and S4, attaching the plasma-treated polaroid together with the liquid crystal screen to a glass cover plate, bonding by matching an optical adhesive layer, calculating the adhesive surface on the liquid crystal screen to be attached, matching the attachment area of the glass cover plate of the rearview mirror, selecting the thickness of an appropriate optical adhesive OCA layer, and obtaining the complete streaming media rearview mirror after product detection.

2. The method for attaching the high-temperature-resistant streaming media rearview mirror according to claim 1, is characterized in that: in the product detection procedure in the S4, the whole flow media rearview mirror needs to be conveyed into the experiment box, the experiment box is heated to 85-95 ℃, and the observation is kept for 70-72 h.

3. The method for attaching the high-temperature-resistant streaming media rearview mirror according to claim 2, is characterized in that: and after the stream media rearview mirror is kept normal, the humidity in the experiment box is increased, the temperature of the environment where the whole stream media rearview mirror is located is 80-85 ℃, the humidity is 80-85% RH, and the stream media rearview mirror is observed for 450-500 hours to complete the test.

4. The method for attaching the high-temperature-resistant streaming media rearview mirror according to claim 1, is characterized in that: and (S1) after the strength test, adhering a protective film to the surface of the glass cover plate, placing the glass cover plate in a vacuum coating machine, introducing a coating material which is heated, vaporized and cracked into a vacuum chamber, cooling the vacuum chamber, carrying out vacuum coating operation on the surface of the glass cover plate at normal temperature, taking out the glass cover plate until the coating thickness meets the requirement, and then removing the coating layer on the exposed part of the surface of the glass cover plate.

5. The method for attaching the high-temperature-resistant streaming media rearview mirror according to claim 1, is characterized in that: in the process of unwinding the polarizer in the S2, two PS whiteboards are required to be covered and adhered to the polarizer, the two whiteboards are bent in an arc shape in a reverse direction toward the curling direction of the polarizer, the whiteboards on both sides are adhered by using an adhesive tape to fix the radian, and then the white boards are placed in an experimental box, the temperature in the experimental box is controlled to be 20-25 ℃, the humidity is controlled to be 40-50% RH, and the white boards are placed for 50-55 h in this state, so that the unwinding treatment of the polarizer is completed.

6. The method for producing the high-temperature-resistant streaming media rearview mirror according to claim 5, is characterized in that: the thickness of the PS material white boards is controlled to be 1-1.5 mm, and the number of times of winding the adhesive tape on the surfaces of the two PS material white boards is at least two.

7. The method for attaching the high-temperature-resistant streaming media rearview mirror according to claim 1, is characterized in that: the thickness of the polaroid in the S3 is 60-70 μm.

8. The method for attaching the high-temperature-resistant streaming media rearview mirror according to claim 1, is characterized in that: before the polarizer substrate is processed in the S3 by the plasma processing machine, the polarizer substrate needs to be washed and dried by using a high-pressure pure water cleaning solution, so as to ensure that the surface of the polarizer main body is clean and flat.

Technical Field

The invention belongs to the technical field of a streaming media rearview mirror structure, and particularly relates to a high-temperature-resistant streaming media rearview mirror laminating production method.

Background

The existing laminating process of the streaming media rearview mirror cannot meet the requirement of high-temperature test (95 ℃), and the problems of bubbles and glue cracking of optical adhesive (OCA) are caused by the expansion of the polaroid on the liquid crystal screen in a high-temperature environment, so that the integral using effect is influenced.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and the finished product of the streaming media rearview mirror can avoid the expansion of the polarizer in a high-temperature environment by optimizing process outflow so as to ensure the use effect of the streaming media rearview mirror in the high-temperature environment.

In order to achieve the purpose, the invention provides the following technical scheme:

a method for producing a high-temperature-resistant streaming media rearview mirror in a fitting manner comprises the following steps:

s1, selecting a rearview mirror glass cover plate, testing the strength of the glass cover plate, and ensuring that the surface of the glass cover plate is smooth and flat and has no black spots;

s2, preprocessing a polarizer in a liquid crystal screen to be attached, unwinding an unprocessed TAC film, performing chemical treatment, unwinding a PVA film, performing stretching and dyeing steps, adhering the processed PVA film and the TAC film in a compounding manner, and winding to obtain an original polarizer film;

s3, compounding and sticking the polarizer original film and the stripping film to obtain a polarizer matrix, sending the cleaned polarizer matrix into a plasma processor for further processing to ensure the applicability of the polarizer to glue, thus obtaining the polarizer after plasma processing;

and S4, attaching the plasma-treated polaroid together with the liquid crystal screen to a glass cover plate, bonding by matching an optical adhesive layer, calculating the adhesive surface on the liquid crystal screen to be attached, matching the attachment area of the glass cover plate of the rearview mirror, selecting the thickness of an appropriate optical adhesive OCA layer, and obtaining the complete streaming media rearview mirror after product detection.

Preferably, in the product detection step of S4, the entire fluidic media rearview mirror needs to be conveyed into the experiment box, the experiment box is heated to 85-95 ℃, and the observation is maintained for 70-72 hours.

Preferably, after the stream media rearview mirror is kept normal, the humidity in the experiment box is increased, the temperature of the environment where the whole stream media rearview mirror is located is 80-85 ℃, the humidity is 80-85% RH, and the stream media rearview mirror is kept for 450-500 h to complete the test.

Preferably, after the strength test in S1, a protective film is attached to the surface of the glass cover plate, the glass cover plate is placed in a vacuum coating machine, the coating material which is heated, vaporized and cracked is introduced into a vacuum chamber, the vacuum chamber is cooled, the surface of the glass cover plate is subjected to vacuum coating operation at normal temperature until the coating thickness meets the requirement, the glass cover plate is taken out, and then the coating layer on the exposed part of the surface of the glass cover plate is removed.

Preferably, in the step of unwinding the polarizer in S2, two PS whiteboards are required to be covered and attached to the polarizer, the two whiteboards are bent in an arc shape in a direction opposite to the curling direction of the polarizer, the whiteboards on the two sides are adhered by using an adhesive tape to fix the radian, and then the whiteboard is placed in an experimental box, the temperature in the experimental box is controlled to be 20-25 ℃, the humidity is controlled to be 40-50% RH, and the whiteboard is placed for 50-55 h in this state, so that the unwinding process of the polarizer is completed.

Preferably, the thickness of the PS material white board is controlled to be 1 mm-1.5 mm, and the number of times of winding the adhesive tape on the surfaces of the two PS material white boards is at least two.

Preferably, the thickness of the polarizer in S3 is 60 μm to 70 μm.

Preferably, before the polarizer substrate is processed in S3 by a plasma processing machine, the polarizer substrate is washed and dried by using a high-pressure pure water cleaning solution to ensure that the surface of the polarizer main body is clean and flat.

The invention has the technical effects and advantages that:

according to the high-temperature-resistant streaming media rearview mirror, the proper thickness of the OCA glue is selected by calculating the bonding surface glue of the liquid crystal screen in the bonding production process, and the plasma treatment is carried out on the surface of the polaroid before the liquid crystal screen is bonded, so that the finished product of the streaming media rearview mirror can pass a high-temperature and high-humidity test, the integral high-temperature-resistant effect of the streaming media rearview mirror is ensured, the polaroid can be prevented from expanding in a high-temperature environment, and the using effect of the streaming media rearview mirror in the high-temperature environment is ensured.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

S1, selecting a rearview mirror glass cover plate, testing the strength of the glass cover plate, ensuring that the surface of the glass cover plate is smooth and flat without black spots, attaching a protective film to the surface of the glass cover plate after the strength test, placing the glass cover plate in a vacuum coating machine, introducing a coating material which is heated, vaporized and cracked into a vacuum chamber, cooling the vacuum chamber, performing vacuum coating operation on the surface of the glass cover plate at normal temperature until the coating thickness meets the requirement, taking out the glass cover plate, and removing a coating layer on the exposed part of the surface of the glass cover plate;

s2, preprocessing the polaroid in the liquid crystal screen to be attached, unwinding the unprocessed TAC film, performing chemical treatment for later use, unwinding the PVA film, then respectively executing stretching and dyeing steps, compounding and sticking the treated PVA film and the TAC film, obtaining a polarizer original film after rolling, covering and attaching two PS material white boards and the polarizer, reversely bending the white boards and the polarizer in an arc shape towards the curling direction of the polarizer, pasting the white boards on the two sides by using an adhesive tape to fix the radian, then placing the white boards in an experimental box, controlling the temperature in the experimental box to be 20 ℃ and the humidity to be 40% RH, after the polarizer is placed for 50h in this state, the unwinding process of the polarizer is completed, the thickness of the PS material white plate is controlled to be 1mm, the number of times that the adhesive tape is wound on the surfaces of the two PS material white boards is at least two, and the thickness of the polaroid is 60 mu m;

s3, compounding and sticking the polarizer original film and the stripping film to obtain a polarizer matrix, washing and drying the polarizer matrix by using high-pressure pure water cleaning solution before the polarizer matrix is sent to a plasma processor for processing, ensuring that the surface of the polarizer main body is clean and flat, sending the cleaned polarizer matrix to the plasma processor for further processing, ensuring the applicability of the polarizer to glue, and thus obtaining the polarizer after plasma processing;

s4, attaching the plasma-treated polaroid together with the liquid crystal screen to a glass cover plate, bonding by matching an optical adhesive layer, calculating the adhesive surface on the liquid crystal screen to be attached, matching the attachment area of the glass cover plate of the rearview mirror, selecting the thickness of an appropriate optical adhesive OCA layer, obtaining the complete flow media rearview mirror after product detection is finished, feeding the whole flow media rearview mirror into a test box in the product detection process, heating the test box to 85 ℃, keeping observation for 70h, lifting the humidity in the test box after the flow media rearview mirror is observed to be normal, controlling the environment temperature of the whole flow media rearview mirror to be 80 ℃, the humidity to be 80% RH, and keeping observation for 450h to finish the test.

Example 2

S1, selecting a rearview mirror glass cover plate, testing the strength of the glass cover plate, ensuring that the surface of the glass cover plate is smooth and flat without black spots, attaching a protective film to the surface of the glass cover plate after the strength test, placing the glass cover plate in a vacuum coating machine, introducing a coating material which is heated, vaporized and cracked into a vacuum chamber, cooling the vacuum chamber, performing vacuum coating operation on the surface of the glass cover plate at normal temperature until the coating thickness meets the requirement, taking out the glass cover plate, and removing a coating layer on the exposed part of the surface of the glass cover plate;

s2, preprocessing the polaroid in the liquid crystal screen to be attached, unwinding the unprocessed TAC film, performing chemical treatment for later use, unwinding the PVA film, then respectively executing stretching and dyeing steps, compounding and sticking the treated PVA film and the TAC film, obtaining a polarizer original film after rolling, covering and attaching two PS material white boards and the polarizer, reversely bending the white boards and the polarizer in an arc shape towards the curling direction of the polarizer, pasting white boards on two sides by using an adhesive tape to fix the radian, then placing the white boards in an experimental box, controlling the temperature in the experimental box to be 25 ℃, controlling the humidity to be 50% RH, after being placed for 55h in this state, the unwinding process of the polarizer was completed, the thickness of the PS material blank plate was controlled to be 1.5mm, the number of times that the adhesive tape is wound on the surfaces of the two PS material white boards is at least two, and the thickness of the polaroid is 70 mu m;

s3, compounding and sticking the polarizer original film and the stripping film to obtain a polarizer matrix, washing and drying the polarizer matrix by using high-pressure pure water cleaning solution before the polarizer matrix is sent to a plasma processor for processing, ensuring that the surface of the polarizer main body is clean and flat, sending the cleaned polarizer matrix to the plasma processor for further processing, ensuring the applicability of the polarizer to glue, and thus obtaining the polarizer after plasma processing;

s4, attaching the plasma-treated polaroid together with the liquid crystal screen to a glass cover plate, bonding by matching an optical adhesive layer, calculating the adhesive surface on the liquid crystal screen to be attached, matching the attachment area of the glass cover plate of the rearview mirror, selecting the thickness of an appropriate optical adhesive OCA layer, obtaining the complete flow media rearview mirror after product detection is completed, feeding the whole flow media rearview mirror into a test box in the product detection process, heating the test box to 95 ℃, keeping observing for 72h, lifting the humidity in the test box after the flow media rearview mirror is kept normal, controlling the environment temperature of the whole flow media rearview mirror to be 85 ℃, the humidity to be 85% RH, and keeping observing for 500h to complete the test.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.