阅读说明：本技术 一种抗老化装饰贴面胶合板的防开胶加工工艺 (Anti-adhesive-opening processing technology of anti-aging decorative veneering plywood ) 是由 张震 于 2021-07-28 设计创作，主要内容包括：本发明公开了一种抗老化装饰贴面胶合板的防开胶加工工艺,本发明涉及装饰技术领域,其技术方案是：包括具体步骤如下：S1,通过打孔机在胶合板的中端内壁开设出通孔,其通孔直径为2mm～4mm；S2,对胶合板和装饰面板的相对端进行清洗,从而将胶合板和装饰面板的相对端上的杂质进行清理,保证了整洁度,从而会提高后续的连接稳定性；S3,将清洗后的胶合板和装饰面板放入到烘干箱中进行烘干,烘干温度为60℃～80℃,一种抗老化装饰贴面胶合板的防开胶加工工艺有益效果是：通过避免产生气泡,从而会避免发生开胶的现象,这样不仅会提高木饰面板的使用寿命和使用性能,还会降低成本的投入,以及会避免影响到装饰效果。(The invention discloses an anti-adhesive-opening processing technology of an anti-aging decorative veneering plywood, which relates to the technical field of decoration and adopts the following technical scheme: the method comprises the following specific steps: s1, forming a through hole on the inner wall of the middle end of the plywood through a punching machine, wherein the diameter of the through hole is 2-4 mm; s2, the opposite ends of the plywood and the decorative panel are cleaned, so that impurities on the opposite ends of the plywood and the decorative panel are cleaned, the neatness is guaranteed, and the subsequent connection stability is improved; s3, placing the cleaned plywood and the cleaned decorative panel into a drying box for drying, wherein the drying temperature is 60-80 ℃, and the anti-adhesive-opening processing technology of the anti-aging decorative veneering plywood has the beneficial effects that: through avoiding the gassing to can avoid taking place the phenomenon of splitting, not only can improve the life and the performance of wood veneer like this, still reduce cost's input, and can avoid influencing decorative effect.)

1. An anti-adhesive-opening processing technology of an anti-aging decorative veneering plywood is characterized in that: the method comprises the following specific steps:

s1, forming a through hole on the inner wall of the middle end of the plywood through a punching machine, wherein the diameter of the through hole is 2-4 mm;

s2, the opposite ends of the plywood and the decorative panel are cleaned, so that impurities on the opposite ends of the plywood and the decorative panel are cleaned, the neatness is guaranteed, and the subsequent connection stability is improved;

s3, placing the cleaned plywood and the cleaned decorative panel into a drying box for drying, wherein the drying temperature is 60-80 ℃, so that the influence on the service performance of the plywood and the decorative panel due to overhigh temperature is prevented, and the drying time is 25-30 min;

s4, placing the dried plywood and the dried decorative panel into a sealed box, thereby preventing external impurities from falling into the opposite ends of the plywood and the decorative panel;

s5, coating a phenolic resin adhesive on the periphery of the outer side of the plywood, wherein the coating thickness of the phenolic resin adhesive is 1-2 mm, the coating width is 8-10 mm, and after coating, aligning and attaching the back surface of the decorative panel and the side, coated with the phenolic resin adhesive, of the plywood;

s6, extruding the decorative panel after attaching to prevent air holes and ensure the adhesive layer to be dense, raising the temperature in the sealed box to 40-45 ℃ and maintaining for 10-15 min during extruding to finish the heat curing of the first stage, raising the temperature in the sealed box to 60-65 ℃ and maintaining for 10-15 min to finish the heat curing of the second stage, and raising the temperature in the sealed box to 70-75 ℃ and maintaining for 20-24 min to finish the heat curing of the third stage;

s7, after the thermosetting in the S6 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s8, after the periphery of the outer side of the plywood is bonded and fixed with the periphery of the outer side of the decorative panel through a phenolic resin adhesive, a sealed space is formed between the plywood and the decorative panel;

s9, allowing the phenolic resin adhesive to flow into a sealed space formed between the plywood and the decorative panel through the through hole by the glue injector, so that the sealed space is filled with the phenolic resin adhesive until the through hole is filled with the phenolic resin adhesive, and thus, bubbles are prevented from being generated;

s10, after the phenolic resin adhesive is injected into the sealed space, the decorative panel is extruded, so that the middle ends of the plywood and the decorative panel keep smoothness, and after extrusion, if the redundant phenolic resin adhesive exists, the redundant phenolic resin adhesive flows out of the through hole;

s11, raising the temperature in the sealed box to 40-45 ℃ and maintaining for 20-25 min while extruding, so as to finish the heat curing of the first stage, then raising the temperature in the sealed box to 60-65 ℃ and maintaining for 20-25 min, so as to finish the heat curing of the second stage, and then raising the temperature in the sealed box to 70-75 ℃ and maintaining for 25-30 min, so as to finish the heat curing of the third stage;

s12, after the thermosetting in the S11 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s13, after the plywood is bonded and fixed with the decorative panel through phenolic resin adhesive, the phenolic resin adhesive is coated on the four side surfaces of the plywood and the decorative panel, so that the connection stability is improved;

s14, when phenolic resin adhesives are coated on the four side surfaces of the plywood and the decorative panel, raising the temperature in the sealed box to 50-55 ℃ and maintaining for 15-25 min so as to finish the heat curing of the first stage, and then raising the temperature in the sealed box to 60-70 ℃ and maintaining for 20-25 min so as to finish the heat curing of the second stage;

s15, after the thermosetting in the S14 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s16, after the phenolic resin adhesive is bonded on the four sides of the plywood and the decorative panel, the decorative panel can be effectively fixed on the plywood.

2. The anti-stripping processing technology of the anti-aging decorative veneered plywood as claimed in claim 1, characterized in that: in the S5, the phenolic resin adhesive on the plywood is positioned on the periphery of the outer side of the decorative panel.

3. The anti-stripping processing technology of the anti-aging decorative veneered plywood as claimed in claim 1, characterized in that: in the S6, the S11, and the S14, workers need to wear gas masks in order to prevent the workers from inhaling phenol and formaldehyde.

4. The anti-stripping processing technology of the anti-aging decorative veneered plywood as claimed in claim 1, characterized in that: and S10, when the excessive phenolic resin adhesive flows out from the through hole, cleaning the flowing phenolic resin adhesive.

Technical Field

The invention relates to the technical field of decoration, in particular to an anti-stripping processing technology of an anti-aging decorative veneered plywood.

Background

The interior decoration is a comprehensive art which meets the needs of people's social activities and living, reasonably organizes and shapes the beautiful, comfortable and convenient indoor environment, is a door of environmental art, also called interior design, integrates modern scientific technology and cultural art, and has close connection with architectural design, geography, decorative art, ergonomics, psychology, aesthetics, scientific and technological materials, at present, when the interior decoration is carried out, a wood veneer is generally needed, and the wood veneer is a decorative material which is formed by cutting natural wood or scientific wood into slices with certain thickness, adhering the slices to the surface of a plywood and then carrying out hot pressing.

The prior art has the following defects: most current wood veneer will take place the phenomenon of splitting easily after using a period to can influence wood veneer's life and performance, generally cause such phenomenon mainly because the decoration panel is when bonding with the plywood, have the bubble between them.

Therefore, the invention is necessary to develop the anti-cracking processing technology of the anti-aging decorative veneered plywood.

Disclosure of Invention

Therefore, the invention provides an anti-stripping processing technology of an anti-aging decorative veneering plywood, which is characterized in that the periphery of the outer side of the plywood and the periphery of the outer side of a decorative panel are bonded and fixed, so that a sealed space is formed between the plywood and the decorative panel, and then, a phenolic resin adhesive is injected into the sealed space, so that the plywood and the decorative panel are bonded and fixed, and the problem that stripping easily occurs after most of the existing wood veneer is used for a period of time is solved.

In order to achieve the above purpose, the invention provides the following technical scheme: an anti-adhesive-opening processing technology of an anti-aging decorative veneered plywood comprises the following specific steps:

s1, forming a through hole on the inner wall of the middle end of the plywood through a punching machine, wherein the diameter of the through hole is 2-4 mm;

s2, the opposite ends of the plywood and the decorative panel are cleaned, so that impurities on the opposite ends of the plywood and the decorative panel are cleaned, the neatness is guaranteed, and the subsequent connection stability is improved;

s3, placing the cleaned plywood and the cleaned decorative panel into a drying box for drying, wherein the drying temperature is 60-80 ℃, so that the influence on the service performance of the plywood and the decorative panel due to overhigh temperature is prevented, and the drying time is 25-30 min;

s4, placing the dried plywood and the dried decorative panel into a sealed box, thereby preventing external impurities from falling into the opposite ends of the plywood and the decorative panel;

s5, coating a phenolic resin adhesive on the periphery of the outer side of the plywood, wherein the coating thickness of the phenolic resin adhesive is 1-2 mm, the coating width is 8-10 mm, and after coating, aligning and attaching the back surface of the decorative panel and the side, coated with the phenolic resin adhesive, of the plywood;

s6, extruding the decorative panel after attaching to prevent air holes and ensure the adhesive layer to be dense, raising the temperature in the sealed box to 40-45 ℃ and maintaining for 10-15 min during extruding to finish the heat curing of the first stage, raising the temperature in the sealed box to 60-65 ℃ and maintaining for 10-15 min to finish the heat curing of the second stage, and raising the temperature in the sealed box to 70-75 ℃ and maintaining for 20-24 min to finish the heat curing of the third stage;

s7, after the thermosetting in the S6 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s8, after the periphery of the outer side of the plywood is bonded and fixed with the periphery of the outer side of the decorative panel through a phenolic resin adhesive, a sealed space is formed between the plywood and the decorative panel;

s9, allowing the phenolic resin adhesive to flow into a sealed space formed between the plywood and the decorative panel through the through hole by the glue injector, so that the sealed space is filled with the phenolic resin adhesive until the through hole is filled with the phenolic resin adhesive, and thus, bubbles are prevented from being generated;

s10, after the phenolic resin adhesive is injected into the sealed space, the decorative panel is extruded, so that the middle ends of the plywood and the decorative panel keep smoothness, and after extrusion, if the redundant phenolic resin adhesive exists, the redundant phenolic resin adhesive flows out of the through hole;

s11, raising the temperature in the sealed box to 40-45 ℃ and maintaining for 20-25 min while extruding, so as to finish the heat curing of the first stage, then raising the temperature in the sealed box to 60-65 ℃ and maintaining for 20-25 min, so as to finish the heat curing of the second stage, and then raising the temperature in the sealed box to 70-75 ℃ and maintaining for 25-30 min, so as to finish the heat curing of the third stage;

s12, after the thermosetting in the S11 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s13, after the plywood is bonded and fixed with the decorative panel through phenolic resin adhesive, the phenolic resin adhesive is coated on the four side surfaces of the plywood and the decorative panel, so that the connection stability is improved;

s14, when phenolic resin adhesives are coated on the four side surfaces of the plywood and the decorative panel, raising the temperature in the sealed box to 50-55 ℃ and maintaining for 15-25 min so as to finish the heat curing of the first stage, and then raising the temperature in the sealed box to 60-70 ℃ and maintaining for 20-25 min so as to finish the heat curing of the second stage;

s15, after the thermosetting in the S14 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s16, after the phenolic resin adhesive is bonded on the four sides of the plywood and the decorative panel, the decorative panel can be effectively fixed on the plywood.

Preferably, in S5, the phenolic resin adhesive on the plywood is located around the outer side of the decorative panel.

Preferably, in the S6, the S11 and the S14, the worker needs to wear a gas mask so as to avoid inhalation of phenol and formaldehyde by the worker.

Preferably, in S10, when the excess phenolic resin adhesive flows out from the through hole, the flowing phenolic resin adhesive is cleaned.

The invention has the beneficial effects that:

1. the periphery of the outer side of the plywood and the periphery of the outer side of the decorative panel are bonded and fixed, so that a sealed space is formed between the plywood and the decorative panel, and then a phenolic resin adhesive is injected into the sealed space, so that the plywood and the decorative panel are bonded and fixed, bubbles are avoided, and the phenomenon of glue failure is avoided by avoiding the bubbles, so that the service life and the service performance of the wood veneer are prolonged, the cost input is reduced, and the decorative effect is prevented from being influenced;

2. the phenolic resin adhesive is adhered to the four side surfaces of the plywood and the decorative panel, so that the connection stability is improved.

Detailed Description

The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.

Example 1:

the invention provides an anti-adhesive-opening processing technology of an anti-aging decorative veneering plywood, which comprises the following specific steps:

s1, forming a through hole in the inner wall of the middle end of the plywood through a punching machine, wherein the diameter of the through hole is 2 mm;

s2, the opposite ends of the plywood and the decorative panel are cleaned, so that impurities on the opposite ends of the plywood and the decorative panel are cleaned, the neatness is guaranteed, and the subsequent connection stability is improved;

s3, placing the cleaned plywood and the cleaned decorative panel into a drying box for drying, wherein the drying temperature is 60 ℃, so that the influence on the service performance of the plywood and the decorative panel due to overhigh temperature is prevented, and the drying time is 25 min;

s4, placing the dried plywood and the dried decorative panel into a sealed box, thereby preventing external impurities from falling into the opposite ends of the plywood and the decorative panel;

s5, coating phenolic resin adhesive on the periphery of the outer side of the plywood, wherein the coating thickness of the phenolic resin adhesive is 1mm, the coating width is 8mm, and after coating, aligning and laminating the back surface of the decorative panel and the side, coated with the phenolic resin adhesive, of the plywood, wherein the phenolic resin adhesive on the plywood is positioned on the periphery of the outer side of the decorative panel;

specifically, the phenolic resin adhesive is a general name of resin formed by phenols and aldehydes under the action of a catalyst, and has high polarity and strong bonding force; high rigidity and heat resistance; the aging resistance is good; water resistance, oil resistance, chemical medium resistance, and mold resistance; the self-modified adhesive has the advantages of easy modification and capability of modifying other adhesives;

s6, extruding the decorative panel after attaching to prevent air holes and ensure the adhesive layer to be dense, raising the temperature in the sealed box to 40 ℃ and maintaining for 10min while extruding to finish the heat curing of the first stage, raising the temperature in the sealed box to 60 ℃ and maintaining for 10min to finish the heat curing of the second stage, and raising the temperature in the sealed box to 70 ℃ and maintaining for 20min to finish the heat curing of the third stage, wherein workers need to wear gas masks to avoid the workers from inhaling phenol and formaldehyde;

s7, after the thermosetting in the S6 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s8, after the periphery of the outer side of the plywood is bonded and fixed with the periphery of the outer side of the decorative panel through a phenolic resin adhesive, a sealed space is formed between the plywood and the decorative panel;

s9, allowing the phenolic resin adhesive to flow into a sealed space formed between the plywood and the decorative panel through the through hole by the glue injector, so that the sealed space is filled with the phenolic resin adhesive until the through hole is filled with the phenolic resin adhesive, and thus, bubbles are prevented from being generated;

s10, after the phenolic resin adhesive is injected into the sealed space, the decorative panel is extruded, so that the middle ends of the plywood and the decorative panel keep smoothness, after extrusion, if the redundant phenolic resin adhesive flows out of the through hole, and when the redundant phenolic resin adhesive flows out of the through hole, the flowing phenolic resin adhesive is cleaned;

s11, raising the temperature in the sealed box to 40 ℃ and maintaining for 20min while extruding to finish the heat curing of the first stage, then raising the temperature in the sealed box to 60 ℃ and maintaining for 20min to finish the heat curing of the second stage, and then raising the temperature in the sealed box to 70 ℃ and maintaining for 25min to finish the heat curing of the third stage, wherein, workers need to wear gas masks to avoid the workers inhaling phenol and formaldehyde;

s12, after the thermosetting in the S11 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s13, after the plywood is bonded and fixed with the decorative panel through phenolic resin adhesive, the phenolic resin adhesive is coated on the four side surfaces of the plywood and the decorative panel, so that the connection stability is improved;

s14, when phenolic resin adhesives are coated on four side faces of the plywood and the decorative panel, the temperature in the sealed box is raised to 50 ℃ and maintained for 15min, so that the heat curing of the first stage is completed, and then the temperature in the sealed box is raised to 60 ℃ and maintained for 20min, so that the heat curing of the second stage is completed, wherein a worker needs to wear a gas mask, so that the worker is prevented from inhaling phenol and formaldehyde;

s15, after the thermosetting in the S14 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s16, after the phenolic resin adhesive is bonded on the four sides of the plywood and the decorative panel, the decorative panel can be effectively fixed on the plywood.

Example 2:

the invention provides an anti-adhesive-opening processing technology of an anti-aging decorative veneering plywood, which comprises the following specific steps:

s1, forming a through hole in the inner wall of the middle end of the plywood through a punching machine, wherein the diameter of the through hole is 3 mm;

s2, the opposite ends of the plywood and the decorative panel are cleaned, so that impurities on the opposite ends of the plywood and the decorative panel are cleaned, the neatness is guaranteed, and the subsequent connection stability is improved;

s3, placing the cleaned plywood and the cleaned decorative panel into a drying box for drying, wherein the drying temperature is 70 ℃, so that the influence on the service performance of the plywood and the decorative panel due to overhigh temperature is prevented, and the drying time is 27.5 min;

s4, placing the dried plywood and the dried decorative panel into a sealed box, thereby preventing external impurities from falling into the opposite ends of the plywood and the decorative panel;

s5, coating a phenolic resin adhesive on the periphery of the outer side of the plywood, wherein the coating thickness of the phenolic resin adhesive is 1.5mm, the coating width is 9mm, and after coating, aligning and laminating the back surface of the decorative panel and the side, coated with the phenolic resin adhesive, of the plywood, wherein the phenolic resin adhesive on the plywood is positioned on the periphery of the outer side of the decorative panel;

s6, extruding the decorative panel after attaching to prevent air holes and ensure the adhesive layer to be dense, raising the temperature in the sealed box to 42.5 ℃ and maintaining for 12.5min during extruding to finish the heat curing of the first stage, raising the temperature in the sealed box to 62.5 ℃ and maintaining for 12.5min to finish the heat curing of the second stage, and raising the temperature in the sealed box to 72.5 ℃ and maintaining for 22min to finish the heat curing of the third stage, wherein a worker needs to wear a gas mask to avoid the worker from inhaling phenol and formaldehyde;

s7, after the thermosetting in the S6 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s8, after the periphery of the outer side of the plywood is bonded and fixed with the periphery of the outer side of the decorative panel through a phenolic resin adhesive, a sealed space is formed between the plywood and the decorative panel;

s9, allowing the phenolic resin adhesive to flow into a sealed space formed between the plywood and the decorative panel through the through hole by the glue injector, so that the sealed space is filled with the phenolic resin adhesive until the through hole is filled with the phenolic resin adhesive, and thus, bubbles are prevented from being generated;

s10, after the phenolic resin adhesive is injected into the sealed space, the decorative panel is extruded, so that the middle ends of the plywood and the decorative panel keep smoothness, after extrusion, if the redundant phenolic resin adhesive flows out of the through hole, and when the redundant phenolic resin adhesive flows out of the through hole, the flowing phenolic resin adhesive is cleaned;

s11, raising the temperature in the sealed box to 42.5 ℃ and maintaining for 22.5min while extruding, so as to finish the heat curing of the first stage, then raising the temperature in the sealed box to 62.5 ℃ and maintaining for 22.5min, so as to finish the heat curing of the second stage, and then raising the temperature in the sealed box to 72.5 ℃ and maintaining for 27.5min, so as to finish the heat curing of the third stage, wherein a worker needs to wear a gas mask, so as to avoid the worker from inhaling phenol and formaldehyde;

s12, after the thermosetting in the S11 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s13, after the plywood is bonded and fixed with the decorative panel through phenolic resin adhesive, the phenolic resin adhesive is coated on the four side surfaces of the plywood and the decorative panel, so that the connection stability is improved;

s14, when phenolic resin adhesives are coated on four sides of the plywood and the decorative panel, the temperature in the sealed box is raised to 52.5 ℃ and maintained for 20min, so that the heat curing of the first stage is completed, and then the temperature in the sealed box is raised to 65 ℃ and maintained for 22.5min, so that the heat curing of the second stage is completed, wherein a worker needs to wear a gas mask, so that the worker is prevented from inhaling phenol and formaldehyde;

s15, after the thermosetting in the S14 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s16, after the phenolic resin adhesive is bonded on the four sides of the plywood and the decorative panel, the decorative panel can be effectively fixed on the plywood.

Example 3:

the invention provides an anti-adhesive-opening processing technology of an anti-aging decorative veneering plywood, which comprises the following specific steps:

s1, forming a through hole on the inner wall of the middle end of the plywood through a punching machine, wherein the diameter of the through hole is 4 mm;

s2, the opposite ends of the plywood and the decorative panel are cleaned, so that impurities on the opposite ends of the plywood and the decorative panel are cleaned, the neatness is guaranteed, and the subsequent connection stability is improved;

s3, placing the cleaned plywood and the cleaned decorative panel into a drying box for drying, wherein the drying temperature is 80 ℃, so that the influence on the service performance of the plywood and the decorative panel due to overhigh temperature is prevented, and the drying time is 30 min;

s4, placing the dried plywood and the dried decorative panel into a sealed box, thereby preventing external impurities from falling into the opposite ends of the plywood and the decorative panel;

s5, coating phenolic resin adhesive on the periphery of the outer side of the plywood, wherein the coating thickness of the phenolic resin adhesive is 2mm, the coating width is 10mm, and after coating, aligning and laminating the back surface of the decorative panel and the side, coated with the phenolic resin adhesive, of the plywood, wherein the phenolic resin adhesive on the plywood is positioned on the periphery of the outer side of the decorative panel;

s6, extruding the decorative panel after attaching to prevent air holes and ensure the adhesive layer to be dense, raising the temperature in the sealed box to 45 ℃ and maintaining for 15min while extruding to finish the heat curing of the first stage, raising the temperature in the sealed box to 65 ℃ and maintaining for 15min to finish the heat curing of the second stage, and raising the temperature in the sealed box to 75 ℃ and maintaining for 24min to finish the heat curing of the third stage, wherein workers need to wear gas masks to avoid the workers from inhaling phenol and formaldehyde;

s7, after the thermosetting in the S6 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s8, after the periphery of the outer side of the plywood is bonded and fixed with the periphery of the outer side of the decorative panel through a phenolic resin adhesive, a sealed space is formed between the plywood and the decorative panel;

s9, allowing the phenolic resin adhesive to flow into a sealed space formed between the plywood and the decorative panel through the through hole by the glue injector, so that the sealed space is filled with the phenolic resin adhesive until the through hole is filled with the phenolic resin adhesive, and thus, bubbles are prevented from being generated;

s10, after the phenolic resin adhesive is injected into the sealed space, the decorative panel is extruded, so that the middle ends of the plywood and the decorative panel keep smoothness, after extrusion, if the redundant phenolic resin adhesive flows out of the through hole, and when the redundant phenolic resin adhesive flows out of the through hole, the flowing phenolic resin adhesive is cleaned;

s11, raising the temperature in the sealed box to 45 ℃ and maintaining for 25min while extruding, so as to finish the heat curing of the first stage, then raising the temperature in the sealed box to 65 ℃ and maintaining for 25min, so as to finish the heat curing of the second stage, and then raising the temperature in the sealed box to 75 ℃ and maintaining for 30min, so as to finish the heat curing of the third stage, wherein, workers need to wear gas masks, so as to avoid the workers from inhaling phenol and formaldehyde;

s12, after the thermosetting in the S11 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s13, after the plywood is bonded and fixed with the decorative panel through phenolic resin adhesive, the phenolic resin adhesive is coated on the four side surfaces of the plywood and the decorative panel, so that the connection stability is improved;

s14, when phenolic resin adhesives are coated on four side faces of the plywood and the decorative panel, raising the temperature in the sealed box to 55 ℃ and maintaining for 25min so as to finish the first stage of heat curing, and then raising the temperature in the sealed box to 70 ℃ and maintaining for 25min so as to finish the second stage of heat curing, wherein workers need to wear gas masks so as to avoid the workers inhaling phenol and formaldehyde;

s15, after the thermosetting in the S14 is completed, slowly cooling the temperature in the sealing box so as to cool the glue layer, thereby avoiding or reducing the generation of internal stress;

s16, after the phenolic resin adhesive is bonded on the four sides of the plywood and the decorative panel, the decorative panel can be effectively fixed on the plywood.

The following data were obtained by comparing the decorative veneer faced plywood prepared in examples 1-3 above:

	example 1	Example 2	Example 3
				Anti-aging performance	Is stronger	High strength	Is stronger
Tensile strength	12.65/MPa	17.01/MPa	14.32/MPa

As can be seen from the above table, the decorative veneer faced plywood prepared in examples 1 to 3 has good aging resistance and tensile strength, and after use, example 2 has the best effect, and also has efficient aging resistance in terms of efficient tensile strength.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.