阅读说明：本技术 一种硅酸钙板热压贴面三聚氰胺浸渍纸及其制作方法 (Calcium silicate board hot-pressing veneering melamine impregnated paper and manufacturing method thereof ) 是由 甄镒赫 甄月明 于 2020-07-30 设计创作，主要内容包括：本发明公开了一种硅酸钙板热压贴面三聚氰胺浸渍纸及其制作方法,包括硅酸钙基板,硅酸钙基板上贴设三聚氰胺浸渍纸,三聚氰胺浸渍纸经过有机硅烷偶联剂改性而成。具体包括以下步骤：1)准备材料；2)制作一浸混合胶；3)制作二浸混合胶；4)一次浸渍；5)二次浸渍；6)热压成型。本发明与现有技术相比的优点在于：根据三聚氰胺树脂的特性,用有机硅烷偶联剂来改善三聚氰胺树脂对无机物的交联性能,使三聚氰胺浸渍纸和硅酸钙板就有良好的粘结能力,具有快速、高效、成本低、性能优越的生产方式、方法、产品防火能力达到A级,还具有净醛、抗菌等优点。(The invention discloses calcium silicate board hot-pressing veneering melamine impregnated paper and a manufacturing method thereof. The method specifically comprises the following steps: 1) preparing a material; 2) preparing a soaking mixed glue; 3) preparing secondary-dipping mixed glue; 4) primary impregnation; 5) secondary impregnation; 6) and (5) hot-press forming. Compared with the prior art, the invention has the advantages that: according to the characteristics of the melamine resin, the cross-linking performance of the melamine resin to inorganic matters is improved by using the organosilane coupling agent, so that the melamine impregnated paper and the calcium silicate board have good bonding capacity, and the production method, the method and the product have the advantages of rapidness, high efficiency, low cost, excellent performance, grade A fireproof capacity, aldehyde purification, antibiosis and the like.)

1. The melamine impregnated paper for the hot-pressed veneers of the calcium silicate boards comprises a calcium silicate substrate and is characterized in that: the melamine impregnated paper is attached to the calcium silicate substrate and is prepared by modifying the melamine impregnated paper through an organic silane coupling agent.

2. The calcium silicate board hot-pressing veneering melamine impregnated paper according to claim 1, characterized in that: the melamine impregnated paper is uniformly pressed on two sides of the calcium silicate substrate.

3. The calcium silicate board hot-pressing veneering melamine impregnated paper according to claim 1, characterized in that: the melamine impregnated paper is adhered to one side of the calcium silicate substrate in a hot pressing mode, and the modified mixture of melamine resin and aluminum oxide is sprayed to the other side of the calcium silicate substrate.

4. The calcium silicate board hot-pressing veneering melamine impregnated paper according to claim 1, characterized in that: the melamine impregnated paper is stuck to two sides of the calcium silicate substrate in a hot-pressing mode, and the aluminum oxide wear-resistant paper is hot-pressed on the melamine impregnated paper on one side.

5. The calcium silicate board hot-pressing veneering melamine impregnated paper according to claim 1, characterized in that: the melamine impregnated paper is stuck on one side of the calcium silicate substrate in a hot-pressing mode, and the UV light curing sealing layer is arranged on the other side of the calcium silicate substrate.

6. The method for manufacturing the melamine impregnated paper on the hot-pressed veneers of the calcium silicate boards is characterized by comprising the following steps:

1) preparing materials: preparing melamine resin adhesive for impregnation, impregnation base paper, organosilane coupling agent and urea-formaldehyde resin adhesive;

2) preparing first-dipping mixed glue: preparing a dipping section glue solution, and adding 5-10% of glycol into the dipping section glue solution to obtain a mixed glue for later use;

3) preparing a second-dipping mixed glue: adding a curing agent and a release agent into melamine resin adhesive, adjusting the curing time to be 4.5 minutes, adding 0.6-1.5 parts of organosilane coupling agent into 100 parts of melamine resin adhesive, and uniformly stirring to prepare mixed adhesive with the curing time of 5-7.5 minutes for later use;

4) primary impregnation: dipping the raw impregnated paper in the step 1) by the one-dip mixed glue prepared in the step 2), wherein the raw impregnated paper firstly passes through a back coating roller and a glue pool, and then a metering roller is used for extruding the redundant one-dip mixed glue, the glue applying amount is controlled to be 50-80%, and primary dipped paper is prepared for later use;

5) secondary impregnation: dipping the primary dipped paper obtained in the step 4) by using the secondary dipped mixed glue prepared in the step 3), wherein the dipped paper passes through upper and lower coating rollers, the gluing amount of the upper and lower surfaces of the dipped paper is measured by using a measuring roller, the gluing amount of the dipped paper is controlled to be 130-200%, and secondary dipped paper is prepared for later use;

6) hot-press molding: and (3) bonding the secondary impregnated paper prepared in the step 5) and the calcium silicate substrate through hot pressing.

7. The method for manufacturing the melamine impregnated paper for the hot-pressed veneers of the calcium silicate boards as claimed in claim 6, wherein the method comprises the following steps: the impregnation base paper in the step 1 is one of printing decoration base paper and plain color paper.

8. The method for manufacturing the melamine impregnated paper for the hot-pressed veneers of the calcium silicate boards as claimed in claim 6, wherein the method comprises the following steps: the glue solution A at the impregnation stage in the step 2) is melamine resin with the curing time adjusted to be 5-6 minutes, and the glue solution B is prepared by mixing 1-2 parts of melamine resin glue and 3-4 parts of urea-formaldehyde resin glue and adding an additive to prepare mixed glue with the curing time of 10-15 minutes.

9. The method for manufacturing the melamine impregnated paper for the hot-pressed veneers of the calcium silicate boards as claimed in claim 8, wherein the method comprises the following steps: the additive is at least one of curing agent, release agent and penetrating agent.

10. The method for manufacturing the melamine impregnated paper for the hot-pressed veneers of the calcium silicate boards as claimed in claim 6, wherein the method comprises the following steps: the gluing amount of the impregnated paper in the step 5) is controlled to be 90-120%, and the impregnated paper is used for being combined with wear-resistant paper to use for pressing the impregnated paper of the floor.

Technical Field

The invention relates to the field of decorative boards, in particular to the technical field of oriented calcium silicate board hot-pressing veneering melamine impregnated paper.

Background

With the progress of times, the national requirements on the environmental protection and fire prevention grade of decoration and fitment materials are improved, and meanwhile, the national industrial policy advocates and encourages assembly fitment and needs the appearance and application of novel materials. Calcium silicate boards (cement fiber pressure boards) have the advantages of being green, energy-saving, environment-friendly, fireproof, waterproof and the like, are increasingly used in application in recent years, but are poor in decorative effect, people begin to perform surface treatment on the calcium silicate boards to enable the calcium silicate boards to be more decorative and colorful, for example, surface-coated fireproof boards, UV paint coating, PVC, wallpaper coating and the like gradually appear, but the scratch resistance, the functionality and the effectiveness of the calcium silicate boards are not ideal in a single variety. People's attention is beginning to turn to melamine impregnated paper with wide application, because melamine resin and calcium silicate board can not be well adhered directly, people coat epoxy resin, phenolic resin on the surface of calcium silicate board, or use phenolic resin impregnated paper to pass through below the melamine resin impregnated paper to solve the problem of pressing and pasting combination, although the problem is solved, but the cost is high, the process is tedious, the efficiency is low, the equipment investment is large, and the fire prevention and the like can not reach a series of defects such as A level, and the like, so a novel melamine impregnated paper for hot pressing and pasting of calcium silicate board is needed.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides calcium silicate board hot-pressing veneering melamine impregnated paper and a manufacturing method thereof.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: the melamine impregnated paper is attached to the calcium silicate substrate and is prepared by modifying an organic silane coupling agent.

Preferably, the melamine-impregnated paper is attached to both sides of the calcium silicate substrate by hot pressing.

Preferably, the melamine impregnated paper is attached to one side of the calcium silicate substrate by hot pressing, and the modified mixture of melamine resin and alumina is sprayed on the other side of the calcium silicate substrate.

Preferably, the melamine impregnated paper is hot-pressed on both sides of the calcium silicate substrate, and the aluminum oxide wear-resistant paper is hot-pressed on the melamine impregnated paper on one side.

Preferably, the melamine impregnated paper is attached to one side of the calcium silicate substrate in a hot-pressing manner, and a UV light curing sealing layer is arranged on the other side of the calcium silicate substrate.

A method for manufacturing calcium silicate board hot-pressing veneering melamine impregnated paper specifically comprises the following steps:

1) preparing materials: preparing melamine resin adhesive for impregnation, impregnation base paper, organosilane coupling agent and urea-formaldehyde resin adhesive;

2) preparing first-dipping mixed glue: preparing a dipping section glue solution, and adding 5-10% of glycol into the dipping section glue solution to obtain a mixed glue for later use;

3) preparing a second mixed glue: adding a curing agent and a release agent into melamine resin adhesive, adjusting the curing time to be 4.5 minutes, adding 0.6-1.5 parts of organosilane coupling agent into 100 parts of melamine resin adhesive, and uniformly stirring to prepare mixed adhesive with the curing time of 5-7.5 minutes for later use;

4) primary impregnation: dipping the raw impregnated paper in the step 1) by the one-dip mixed glue prepared in the step 2), wherein the raw impregnated paper firstly passes through a back coating roller and a glue pool, and then a metering roller is used for extruding the redundant one-dip mixed glue, the glue applying amount is controlled to be 50-80%, and primary dipped paper is prepared for later use;

5) secondary impregnation: dipping the primary dipped paper obtained in the step 4) by using the secondary dipped mixed glue prepared in the step 3), wherein the dipped paper passes through upper and lower coating rollers, the gluing amount of the upper and lower surfaces of the dipped paper is measured by using a measuring roller, the gluing amount of the dipped paper is controlled to be 130-200%, and secondary dipped paper is prepared for later use;

6) hot-press molding: and (3) bonding the secondary impregnated paper prepared in the step 5) and the calcium silicate substrate through hot pressing.

Preferably, the impregnation base paper in the step 1 is one of printing decoration base paper and plain color paper.

As a preferable scheme, the first impregnation stage glue solution in the step 2) is one of a glue solution a and a glue solution B, the glue solution a is melamine resin with the curing time adjusted to 5-6-half, and the glue solution B is prepared by mixing 1-2 parts of melamine resin glue and 3-4 parts of urea-formaldehyde resin glue, and adding an additive to prepare a mixed glue with the curing time of 10-15 minutes.

Preferably, the additive is at least one of a curing agent, a release agent and a penetrating agent.

As a preferable scheme, the gluing amount of the impregnated paper in the step 5) is controlled to be 90-120%, and the impregnated paper is used for being combined with wear-resistant paper to be used for pressing floors.

Compared with the prior art, the invention has the advantages that: according to the characteristics of the melamine resin, the cross-linking performance of the melamine resin to inorganic matters is improved by using the organosilane coupling agent, so that the melamine impregnated paper and the calcium silicate board have good bonding capacity, and the production method, the method and the product have the advantages of rapidness, high efficiency, low cost, excellent performance, grade A fireproof capacity, aldehyde purification, antibiosis and the like.

Drawings

Fig. 1 is a schematic structural diagram and a use state diagram 1 of the invention.

Fig. 2 is a state of use diagram 2 of the present invention.

Fig. 3 is a state of use diagram 3 of the present invention.

Fig. 4 is a state of use diagram 4 of the present invention.

As shown in the figure: 1. calcium silicate substrate, 2, melamine impregnated paper, 3, melamine resin and alumina mixture, 4, alumina wear-resistant paper, 5, UV photocuring seal coat.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the resulting manner or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or point connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.