阅读说明：本技术 一种微结构聚碳酸酯及聚甲基丙烯酸甲酯复合板及其制备方法 (Microstructure polycarbonate and polymethyl methacrylate composite board and preparation method thereof ) 是由 杜献超 任月璋 罗伟 于 2020-12-07 设计创作，主要内容包括：本发明提供了一种微结构聚碳酸酯及聚甲基丙烯酸甲酯复合板及其制备方法,该复合板包括：基材板、粘接层、覆盖板、保护膜、基材膜、涂覆层；所述基材板的侧部设置有粘接层,且基材板与粘接层通过粘合方式相连接；所述覆盖板设置在粘接层的侧部,且覆盖板与粘接层通过粘合方式相连接；所述保护膜设置在覆盖板的侧部,且保护膜与覆盖板通过粘合方式相连接；所述粘接层包括：基材膜、涂覆层；所述基材膜的侧部设置有涂覆层,且基材膜与涂覆层通过粘合方式相连接；通过对现有复合板改进,该复合板具有良好的抗刮擦性能,且稳定性好、耐腐蚀、基材板不易降解发黄、整体透明度高,较为美观,延长使用寿命的优点。(The invention provides a microstructure polycarbonate and polymethyl methacrylate composite board and a preparation method thereof, wherein the composite board comprises the following components: the coating comprises a substrate plate, an adhesive layer, a covering plate, a protective film, a substrate film and a coating layer; the side part of the base material plate is provided with an adhesive layer, and the base material plate is connected with the adhesive layer in an adhesive mode; the cover plate is arranged on the side part of the bonding layer and is connected with the bonding layer in an adhesion mode; the protective film is arranged on the side part of the covering plate and is connected with the covering plate in an adhesion mode; the adhesive layer includes: a base material film, a coating layer; the side part of the base material film is provided with a coating layer, and the base material film is connected with the coating layer in an adhesion mode; through improving the existing composite board, the composite board has the advantages of good scratch resistance, good stability, corrosion resistance, difficult degradation and yellowing of the base material board, high integral transparency, attractive appearance and prolonged service life.)

1. A microstructure polycarbonate and polymethyl methacrylate composite plate comprises: the adhesive film comprises a base material plate (1), an adhesive layer (2), a covering plate (3), a protective film (4), a base material film (201) and a coating layer (202); the method is characterized in that: the side part of the substrate plate (1) is provided with an adhesive layer (2), and the substrate plate (1) is connected with the adhesive layer (2) in an adhesive mode; the covering plate (3) is arranged on the side part of the bonding layer (2), and the covering plate (3) is connected with the bonding layer (2) in an adhesion mode; the protective film (4) is arranged on the side part of the covering plate (3), and the protective film (4) is connected with the covering plate (3) in an adhesion mode; the adhesive layer (2) comprises: a base material film (201), a coating layer (202); the side of the substrate film (201) is provided with a coating layer (202), and the substrate film (201) is connected with the coating layer (202) in an adhesion mode.

2. The microstructured polycarbonate and polymethylmethacrylate composite plate of claim 1, wherein: the substrate plate (1) is a polycarbonate plate.

3. The microstructured polycarbonate and polymethylmethacrylate composite plate of claim 1, wherein: the covering plate (3) is a polymethyl methacrylate plate.

4. The microstructured polycarbonate and polymethylmethacrylate composite plate of claim 1, wherein: the substrate film (201) is a polyethylene terephthalate film material.

5. The microstructured polycarbonate and polymethylmethacrylate composite plate of claim 1, wherein: the coating layer (202) is an acrylate pressure-sensitive adhesive, and an ultraviolet absorber is doped in the acrylate pressure-sensitive adhesive.

6. The microstructured polycarbonate and polymethylmethacrylate composite plate of claim 1, wherein: and the upper side surface and the lower side surface of the base material plate (1) are respectively provided with an adhesive layer (2), a covering plate (3) and a protective film (4).

7. The microstructured polycarbonate and polymethylmethacrylate composite plate of claim 1, wherein: and coating layers (202) are arranged on the upper side surface and the lower side surface of the base material film (201).

8. A method for preparing the microstructure polycarbonate and polymethyl methacrylate composite board of claim 1, wherein the method comprises the following steps: the preparation method of the microstructure polycarbonate and polymethyl methacrylate composite plate comprises the following steps:

s1: spraying a coating layer (202) on the upper surface of the base material plate (1), and bonding a base material film (201) on the upper part of the coating layer (202);

s2: spraying a coating layer (202) on the upper part of the bonding substrate film (201), and bonding a cover plate (3) on the upper part of the coating layer (202);

s3, adhering a protective film (4) on the upper part of the covering plate (3) to obtain a semi-finished product;

s4: and turning the semi-finished product, and repeating the steps S1, S2 and S2 to obtain the finished product.

Technical Field

The invention relates to a composite board and a preparation method thereof, in particular to a microstructure polycarbonate and polymethyl methacrylate composite board and a preparation method thereof.

Background

Composite panels are generally divided into: metal clad plate, timber composite sheet, various steel composite sheet, rock wool composite sheet and so on, the composite sheet is the board that has different material layering constitutions of different functions, produces through modes such as rolling complex, bonding more, and it compares with the panel of the single material, has better performance.

Polycarbonate plates and polymethyl methacrylate plates are two very common plates, have very good performance, but have certain defects, cannot meet the use requirements of some occasions, and have limited application range.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a microstructure polycarbonate and polymethyl methacrylate composite plate with good performance and strong applicability and a preparation method thereof.

In order to achieve the purpose, the invention adopts the technical scheme that:

a microstructure polycarbonate and polymethyl methacrylate composite plate comprises: the coating comprises a substrate plate, an adhesive layer, a covering plate, a protective film, a substrate film and a coating layer; the side part of the base material plate is provided with an adhesive layer, and the base material plate is connected with the adhesive layer in an adhesive mode; the cover plate is arranged on the side part of the bonding layer and is connected with the bonding layer in an adhesion mode; the protective film is arranged on the side part of the covering plate and is connected with the covering plate in an adhesion mode; the adhesive layer includes: a base material film, a coating layer; the side of the substrate film is provided with a coating layer, and the substrate film is connected with the coating layer in an adhesion mode.

As further optimization of the technical scheme, the substrate plate of the microstructure polycarbonate and polymethyl methacrylate composite plate is a polycarbonate plate.

As a further optimization of the technical scheme, the covering plate is a polymethyl methacrylate plate.

As further optimization of the technical scheme, the substrate film of the microstructure polycarbonate and polymethyl methacrylate composite plate is a polyethylene terephthalate film material.

As further optimization of the technical scheme, the coating layer of the microstructure polycarbonate and polymethyl methacrylate composite plate is an acrylate pressure-sensitive adhesive, and an ultraviolet absorbent is doped in the acrylate pressure-sensitive adhesive.

As a further optimization of the technical scheme, the upper side surface and the lower side surface of the substrate plate of the microstructure polycarbonate and polymethyl methacrylate composite plate are respectively provided with an adhesive layer, a covering plate and a protective film.

As further optimization of the technical scheme, the upper side surface and the lower side surface of the substrate film of the microstructure polycarbonate and polymethyl methacrylate composite plate are provided with the coating layers.

As further optimization of the technical scheme, the invention discloses a method for preparing a microstructure polycarbonate and polymethyl methacrylate composite board, which is characterized by comprising the following steps: the preparation method of the microstructure polycarbonate and polymethyl methacrylate composite plate comprises the following steps:

s1: spraying a coating layer on the upper surface of the substrate plate, and bonding a substrate film on the upper part of the coating layer;

s2: spraying a coating layer on the upper part of the bonding substrate film, and bonding a covering plate on the upper part of the coating layer;

s3: bonding a layer of protective film on the upper part of the covering plate to obtain a semi-finished product;

s4: and turning the semi-finished product, and repeating the steps S1, S2 and S2 to obtain the finished product. .

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

the invention relates to a microstructure polycarbonate and polymethyl methacrylate composite board and a preparation method thereof, wherein a substrate plate made of a polycarbonate material and a covering plate made of a polymethyl methacrylate material are bonded through a bonding layer, the advantages and the disadvantages of the substrate plate and the covering plate are effectively complemented, the covering plate made of the polymethyl methacrylate material can provide good scratch resistance, is good in stability and corrosion resistance, the substrate plate made of the polycarbonate material has excellent high impact resistance, when the composite board is impacted, even if the covering plate on the outer side is broken, the substrate plate can also play a good protection role, and under the action of the bonding layer, fragments of the covering plate can still be bonded on the outer side of the substrate plate, so that the base plate, the covering plate made of the polymethyl methacrylate material and the covering plate made of the polycarbonate material are not splashed and are safer to use The polyethylene terephthalate substrate film and the acrylate pressure-sensitive adhesive coating layer both have good high transparency and weather resistance, the ultraviolet absorber in the coating layer can prevent the polycarbonate substrate plate at the innermost layer from being degraded and yellowed by ultraviolet rays, and the polyethylene terephthalate substrate film has the effect of blocking ultraviolet rays, so that the overall transparency and attractiveness are maintained, and the service life is prolonged.

Drawings

The technical scheme of the invention is further explained by combining the accompanying drawings as follows:

FIG. 1 is a schematic diagram of the hierarchy of the present invention;

FIG. 2 is a schematic view of a hierarchical stripping structure according to the present invention;

FIG. 3 is a schematic view of the structure of the adhesive layer of the present invention;

wherein: substrate board 1, adhesive layer 2, cover plate 3, protective film 4, substrate film 201, and coating layer 202.

Detailed Description

The invention is described in further detail below with reference to the figures and the embodiments.

The microstructure polycarbonate and polymethyl methacrylate composite board shown in the attached figures 1 to 3 comprises: a substrate plate 1, an adhesive layer 2, a cover plate 3, a protective film 4, a substrate film 201 and a coating layer 202; the method is characterized in that: the side part of the substrate plate 1 is provided with an adhesive layer 2, and the substrate plate 1 is connected with the adhesive layer 2 in an adhesive mode; the covering plate 3 is arranged on the side part of the bonding layer 2, and the covering plate 3 is connected with the bonding layer 2 in an adhesion mode; the protective film 4 is arranged on the side part of the covering plate 3, and the protective film 4 is connected with the covering plate 3 in an adhesion mode; the adhesive layer 2 includes: a base material film 201, a coating layer 202; the side of the substrate film 201 is provided with a coating layer 202, and the substrate film 201 and the coating layer 202 are connected by adhesion.

In particular, the substrate sheet 1 is a polycarbonate sheet having good impact resistance for providing protection.

Specifically, the covering plate 3 is a polymethyl methacrylate plate which has good scratch resistance, good stability and corrosion resistance, and is used for protecting the outer layer of the composite plate.

Specifically, the substrate film 201 is a polyethylene terephthalate film material, is used as a substrate of the coating layer 202, and has an ultraviolet blocking effect.

Specifically, the coating layer 202 is an acrylate pressure-sensitive adhesive, and an ultraviolet absorber is doped in the acrylate pressure-sensitive adhesive and used for placing ultraviolet rays to influence the substrate board 1 and preventing the substrate board 1 from being degraded and yellowing.

Specifically, the adhesive layer 2, the cover plate 3, and the protective film 4 are provided on both the upper and lower surfaces of the base plate 1.

Specifically, the upper and lower sides of the substrate film 201 are provided with coating layers 202 for bonding the substrate plate 1 and the cover plate 3.

Specifically, the preparation method of the microstructure polycarbonate and polymethyl methacrylate composite plate comprises the following steps:

s1: spraying a coating layer 202 on the upper surface of the substrate plate 1, and bonding a substrate film 201 on the upper part of the coating layer 202;

s2: spraying a coating layer 202 on the upper part of the bonding substrate film 201, and bonding a cover plate 3 on the upper part of the coating layer 202;

s3, adhering a layer of protective film 4 on the upper part of the covering plate 3 to obtain a semi-finished product;

s4: and turning the semi-finished product, and repeating the steps S1, S2 and S2 to obtain the finished product.

In summary, the following steps: the invention relates to a microstructure polycarbonate and polymethyl methacrylate composite board and a preparation method thereof, wherein a substrate plate made of a polycarbonate material and a covering plate made of a polymethyl methacrylate material are bonded through a bonding layer, the advantages and the disadvantages of the substrate plate and the covering plate are effectively complemented, the covering plate made of the polymethyl methacrylate material can provide good scratch resistance, is good in stability and corrosion resistance, the substrate plate made of the polycarbonate material has excellent high impact resistance, when the composite board is impacted, even if the covering plate on the outer side is broken, the substrate plate can also play a good protection role, and under the action of the bonding layer, fragments of the covering plate can still be bonded on the outer side of the substrate plate, so that the base plate, the covering plate made of the polymethyl methacrylate material and the covering plate made of the polycarbonate material are not splashed and are safer to use The polyethylene terephthalate substrate film and the acrylate pressure-sensitive adhesive coating layer both have good high transparency and weather resistance, and the ultraviolet absorber in the coating layer can prevent the polycarbonate substrate plate at the innermost layer from being influenced by ultraviolet rays to degrade and turn yellow.

The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.