阅读说明：本技术 一种防火uv预涂纸及其制造方法 (Fireproof UV precoated paper and manufacturing method thereof ) 是由 邱仁朝 于 2020-06-19 设计创作，主要内容包括：一种防火UV预涂纸,从下至上依次包括第一防火层,纸层,第二防火层,防火UV漆层,第一防火层的原料与第二防火层的原料相同。纸层的厚度在25-50丝,透气量在200-230μm/Pa·s。第一防火层的原料与第二防火层的原料均包括10-20份防火液、90-100份水性涂料。防火液的原料,包括1-3份防火阻燃剂,2-5份去离子水。水性涂料为水性丙烯酸类乳液或水性聚氨酯乳液中的一种。水性丙烯酸类乳液固含量在38％-46％,水性聚氨酯乳液中的固含量在35％-44％。将纸层浸泡在含有防火液的水性丙烯酸类乳液或者含有防火液的水性聚氨酯乳液中,使纸层下面形成第一防火层,纸层上面形成第二防火层,使纸层具备初步的防火性能,再在第二防火层上涂敷防火UV漆,进一步提高了纸层的防火性能。(The utility model provides a fire prevention UV paper of precoating, from supreme first flame retardant coating, the ply, the second flame retardant coating, fire prevention UV lacquer layer of including in proper order down, the raw materials of first flame retardant coating is the same with the raw materials of second flame retardant coating. The thickness of the paper layer is 25-50 threads, and the air permeability is 200-230 mu m/Pa.s. The raw materials of the first fireproof layer and the second fireproof layer respectively comprise 10-20 parts of fireproof liquid and 90-100 parts of water-based paint. The fire-proof liquid comprises 1-3 parts of fire-proof fire retardant and 2-5 parts of deionized water. The water-based paint is one of water-based acrylic emulsion or water-based polyurethane emulsion. The solid content of the water-based acrylic emulsion is 38-46 percent, and the solid content of the water-based polyurethane emulsion is 35-44 percent. The paper layer is soaked in the water-based acrylic emulsion containing the fire-proof liquid or the water-based polyurethane emulsion containing the fire-proof liquid, so that a first fire-proof layer is formed below the paper layer, a second fire-proof layer is formed above the paper layer, the paper layer has primary fire-proof performance, and the fire-proof UV paint is coated on the second fire-proof layer, so that the fire-proof performance of the paper layer is further improved.)

1. The utility model provides a fire prevention UV paper of precoating which characterized in that, from supreme first flame retardant coating, paper layer, second flame retardant coating, fire prevention UV lacquer layer of including in proper order down, the raw materials of first flame retardant coating is the same with the raw materials of second flame retardant coating.

2. The fireproof UV precoated paper according to claim 1, wherein the thickness of the paper layer is 25-50 threads, and the air permeability is 200-230 μm/Pa-s.

3. The fireproof UV precoated paper according to claim 1, wherein the raw materials of the first fireproof layer and the second fireproof layer comprise, by weight, 10-20 parts of fireproof liquid and 90-100 parts of water-based paint.

4. The fireproof UV precoated paper according to claim 3, wherein the raw materials of the fireproof liquid comprise, by weight, 1-3 parts of fireproof flame retardant and 2-5 parts of deionized water.

5. The fireproof UV precoated paper according to claim 3, wherein the water-based paint is one of a water-based acrylic emulsion or a water-based polyurethane emulsion.

6. The fireproof UV precoated paper according to claim 5, wherein the solid content of the aqueous acrylic emulsion is 38-46%, and the solid content of the aqueous polyurethane emulsion is 35-44%.

7. The fireproof UV precoated paper according to claim 1, wherein the weight of the fireproof UV paint used per square meter of paper layer is 200-350 g.

8. A method of manufacturing a fire protected UV pre-coated paper according to claim 5, characterized in that it comprises the following steps:

(1) preparing paper pulp into paper by an inclined wire paper machine;

(2) immersing the paper prepared in the step (1) into an aqueous acrylic emulsion containing fireproof liquid, drying, forming a first fireproof layer on the lower surface of the paper, and forming a second fireproof layer on the upper surface of the paper;

(3) and (3) coating fireproof UV paint on the surface of the second fireproof layer in the step (2) and drying.

9. A method of manufacturing a fire protected UV pre-coated paper according to claim 5, characterized in that it comprises the following steps:

(1) preparing paper pulp into paper by an inclined wire paper machine;

(2) soaking the paper prepared in the step (1) into a water-based polyurethane emulsion containing fireproof liquid, drying, forming a first fireproof layer on the lower surface of the paper, and forming a second fireproof layer on the upper surface of the paper;

(3) and (3) coating fireproof UV paint on the surface of the second fireproof layer in the step (2) and drying.

10. A method of manufacturing a fire-retardant UV precoated paper according to any one of claims 8 or 9, wherein the pulp comprises at least one of wood pulp, straw pulp, hemp pulp, reed pulp, cane pulp, bamboo pulp.

Technical Field

The invention belongs to the technical field of decoration, and particularly relates to fireproof UV (ultraviolet) precoated paper and a manufacturing method thereof.

Background

Fire doors are one of the fire partitions of buildings, and are usually used on the fire wall, the entrance and exit of the staircase or the opening of the tube well, and play an important role in reducing the fire loss. The existing wooden fireproof door is generally manufactured by adopting the following process that firstly, a wooden base material is soaked in fireproof liquid, then, the wooden base material soaked with the fireproof liquid is dried, then, fireproof materials are coated after the drying, and finally, fireproof paint is coated. The wooden fireproof door manufactured by the process is easy to crack, and the fireproof performance and the attractiveness of the wooden fireproof door are affected. The fire-proof base materials selected by the existing wooden fire-proof door are flat wooden base materials, and complex modeling can not be performed. The edge banding strip of the existing wooden fireproof door is basically common wood veneer which is not subjected to fireproof treatment, and the fireproof performance of the wooden fireproof door is reduced by the edge banding strip made of the common wood veneer.

Disclosure of Invention

In order to solve the above technical problems, a first aspect of the present invention provides a fireproof UV precoated paper, which sequentially comprises, from bottom to top, a first fireproof layer, a paper layer, a second fireproof layer, and a fireproof UV paint layer, wherein the raw material of the first fireproof layer is the same as that of the second fireproof layer.

As a preferable technical scheme of the invention, the thickness of the paper layer is 25-50 threads, and the air permeability is 200-230 mu m/Pa.s.

In a preferred embodiment of the present invention, the paper layer has a thickness of 50 filaments and an air permeability of 230 μm/pas.

According to a preferable technical scheme of the invention, the raw materials of the first fireproof layer and the second fireproof layer comprise 10-20 parts of fireproof liquid and 90-100 parts of water-based paint by weight.

As a preferred technical scheme of the invention, the raw materials of the fireproof liquid comprise, by weight, 1-3 parts of a fireproof flame retardant and 2-5 parts of deionized water.

As a preferable technical scheme of the invention, the water-based paint is one of water-based acrylic emulsion or water-based polyurethane emulsion.

As a preferable technical scheme of the invention, the solid content of the aqueous acrylic emulsion is 38-46%, and the solid content of the aqueous polyurethane emulsion is 35-44%.

As a preferable technical scheme of the invention, the weight of the fireproof UV paint used per square meter of the paper layer is 200-350 g.

The second aspect of the present invention provides a method for manufacturing fire-proof UV precoated paper, comprising the following steps:

(1) preparing paper pulp into paper by an inclined wire paper machine;

(2) immersing the paper prepared in the step (1) into an aqueous acrylic emulsion containing fireproof liquid, drying, forming a first fireproof layer on the lower surface of the paper, and forming a second fireproof layer on the upper surface of the paper;

(3) and (3) coating fireproof UV paint on the surface of the second fireproof layer in the step (2) and drying.

As a preferable technical solution of the present invention, the method for manufacturing the fireproof UV precoated paper comprises the steps of:

(1) preparing paper pulp into paper by an inclined wire paper machine;

(2) soaking the paper prepared in the step (1) into a water-based polyurethane emulsion containing fireproof liquid, drying, forming a first fireproof layer on the lower surface of the paper, and forming a second fireproof layer on the upper surface of the paper;

(3) and (3) coating fireproof UV paint on the surface of the second fireproof layer in the step (2) and drying.

As a preferable technical scheme of the invention, the paper pulp at least comprises one of wood pulp, straw pulp, hemp pulp, reed pulp, cane pulp and bamboo pulp.

Has the advantages that: the invention provides fireproof UV precoated paper, which is characterized in that a paper layer with good air permeability is soaked in water-based acrylic emulsion containing fireproof liquid or water-based polyurethane emulsion containing fireproof liquid, so that a first fireproof layer is formed on the lower surface of the paper layer, a second fireproof layer is formed on the upper surface of the paper layer, the paper layer has primary fireproof performance, and fireproof UV paint is coated on the second fireproof layer, so that the fireproof performance of the paper layer is further improved, and the fireproof UV precoated paper can achieve a better fireproof effect. Use fire prevention UV to precoat the wooden door of coating fire prevention, replace ordinary wooden banding, play better banding effect to the wooden door of fire prevention, reduced the condition of the wooden door fracture of fire prevention, improved the fire behavior of the wooden door of fire prevention simultaneously. Meanwhile, the fireproof UV precoated paper does not need to be painted, so that the paint painting loss and cost are reduced, the fireproof UV precoated paper is used for decorating the fireproof wooden door in a coating line mode, more shapes can be made, and the fireproof wooden door is more attractive.

Drawings

Fig. 1 is a schematic view of the overall structure of the fire-retardant UV precoated paper of the present invention.

1-fireproof UV paint layer, 2-second fireproof layer, 3-paper layer and 4-first fireproof layer.

Detailed Description

The invention provides fireproof UV (ultraviolet) precoated paper, which sequentially comprises a first fireproof layer, a paper layer, a second fireproof layer and a fireproof UV paint layer from bottom to top, wherein the raw materials of the first fireproof layer and the second fireproof layer are the same.

Preferably, the thickness of the paper layer is 25-50 threads, and the air permeability is 200-230 mu m/Pa.s.

The larger the air permeability of the paper layer is, the larger the porosity of the paper layer is, the more the fireproof UV paint is coated on the paper layer, and the better the fireproof effect of the fireproof UV precoated paper is.

Preferably, the thickness of the paper layer is 50 threads, and the air permeability is 230 mu m/Pa & s.

Preferably, the raw materials of the first fireproof layer and the second fireproof layer comprise 10-20 parts of fireproof liquid and 90-100 parts of aqueous coating emulsion by weight.

Preferably, the raw materials of the fireproof liquid comprise, by weight, 1-3 parts of fireproof flame retardant and 2-5 parts of deionized water.

Preferably, the water-based paint is one of water-based acrylic emulsion or water-based polyurethane emulsion.

Preferably, the solid content of the aqueous acrylic emulsion is 38-46%, and the solid content of the aqueous polyurethane emulsion is 35-44%.

The adhesive force on the paper layer is reduced due to the fact that the solid content in the water-based paint is too low, the holes of the paper layer are blocked due to the fact that the solid content is too high, the coating amount of the fireproof UV paint on the fireproof UV precoated paper is reduced, and the fireproof effect of the fireproof UV precoated paper is affected.

Preferably, the weight of the fireproof UV paint used per square meter of the paper layer is 200-350 g.

The second aspect of the present invention provides a method for manufacturing fire-proof UV precoated paper, comprising the following steps:

(1) preparing paper pulp into paper by an inclined wire paper machine to obtain a paper layer;

(2) immersing the paper layer obtained in the step (1) into water-based acrylic emulsion containing fire-proof liquid, drying, forming a first fire-proof layer on the lower surface of the paper layer, and forming a second fire-proof layer on the upper surface of the paper layer to enable the paper layer to have primary fire-proof performance;

(3) and (3) coating fireproof UV paint on the surface of the second fireproof layer in the step (2), forming a fireproof UV paint layer on the second fireproof layer, and drying to obtain the fireproof UV precoated paper.

In the step (2), the weight of the fire-proof liquid is 10-20 parts, and the weight of the water-based acrylic emulsion is 90-100 parts.

Preferably, the method for manufacturing the fireproof UV precoated paper comprises the following steps:

(1) preparing paper pulp into paper by an inclined wire paper machine to obtain a paper layer;

(2) soaking the paper layer obtained in the step (1) into water-based polyurethane emulsion containing fire-proof liquid, and drying, wherein a first fire-proof layer is formed on the lower surface of the paper layer, and a second fire-proof layer is formed on the upper surface of the paper layer, so that the paper layer has primary fire-proof performance;

(3) and (3) coating fireproof UV paint on the surface of the second fireproof layer in the step (2), forming a fireproof UV paint layer on the fireproof layer, and drying to obtain the fireproof UV precoated paper.

In the step (2), the weight of the fire-proof liquid is 10-20 parts, and the weight of the aqueous polyurethane emulsion is 90-100 parts.

Preferably, the weight of the fireproof UV paint used per square meter of the paper layer is 200-350 g;

the paper prepared by the inclined wire paper making machine has good uniformity, is beneficial to uniformly spreading the water-based acrylic emulsion containing the fire-proof liquid or the water-based polyurethane emulsion containing the fire-proof liquid on the surface of the paper layer, and then coating the fire-proof UV paint on the surface of the fire-proof layer, and can ensure the overall uniform fire-proof effect of the fire-proof UV precoated paper. The applicant finds that when the air permeability of the paper layer is within a certain range, the fireproof effect of the prepared fireproof UV precoated paper is better.

As a preferable technical scheme of the invention, the paper pulp at least comprises one of wood pulp, straw pulp, hemp pulp, reed pulp, cane pulp and bamboo pulp. The paper pulp used in the invention is plant fiber pulp, and has the advantages of environmental protection and good flame retardance.

In addition, the starting materials used are all commercially available, unless otherwise specified.