CN111086282A - Production process of formaldehyde-free ecological plate - Google Patents
Production process of formaldehyde-free ecological plate Download PDFInfo
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- CN111086282A CN111086282A CN201811233787.0A CN201811233787A CN111086282A CN 111086282 A CN111086282 A CN 111086282A CN 201811233787 A CN201811233787 A CN 201811233787A CN 111086282 A CN111086282 A CN 111086282A
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- paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention relates to the technical field of ecological plate processing, in particular to a production process of an aldehyde-free ecological plate, which can reduce the content of formaldehyde, improve the safety index of the plate and provide a good indoor environment for a user; the method comprises the following steps: (1) preparing a substrate; (2) performing flame retardant treatment; (3) preparing an ecological plate: a. soaking covering paper with an adhesive, and attaching the covering paper to the upper surface and the lower surface of the medium-density fiber substrate; b. printing various patterns on the surface of the decorative paper, then soaking the decorative paper with an adhesive, and attaching the decorative paper to the surface of the overlay paper; c. soaking surface paper with an adhesive, and attaching the surface paper to the surface of the decorative paper; d. laminating the medium-density fiber substrate attached with the covering paper, the decorative paper and the surface paper again by adopting a cold-hot-cold hot pressing process to form an initial ecological plate; (4) detecting a plate; (5) processing a plate; (6) cutting a plate; (7) edge sealing treatment; (8) detecting edge sealing; (9) drying and cleaning; (10) and (6) packaging.
Description
Technical Field
The invention relates to the technical field of ecological plate processing, in particular to a production process of an aldehyde-free ecological plate.
Background
The ecological plate, namely the artificial board with a melamine impregnated bond paper veneer, is called melamine plate for short, melamine is a resin adhesive for manufacturing the ecological plate, paper with different colors or textures is soaked in resin and then dried to a certain curing degree, the resin adhesive is paved on the surface of a shaving board, a medium density fiberboard or a hard fiberboard, and the decorative plate is formed by hot pressing and generally comprises surface layer paper, decorative paper, covering paper, bottom layer paper and the like.
The ecological plate uses the shaving board as the substrate, regard as the veneer with melamine impregnated paper, compare with traditional sticker furniture, it has high temperature resistant, acid and alkali-resistance, moisture resistance, characteristics such as fire prevention, the surface is difficult for discolouring, peeling, and it is different to process into the style easily, the wainscot that the feel is strong, just apply to furniture, aspects such as floor and interior decoration rapidly since birth, simultaneously, the ecological plate makes the function of wainscot board and two sets of panels of plywood or laminated wood board unite two into one as a novel product, when saving production process, the added value of product has been improved, for the consumer saved fitment cost and labour cost, just leading the new trend of house ornamentation, mainstream panel anchor clamps all adopt the ecological plate preparation to form on the market basically.
No matter what kind of board, glue is used in the manufacturing process, so the formed board will release free formaldehyde, when the wooden product made of formaldehyde adhesive is used indoors, the formaldehyde release period can be as long as 15 years, research shows that chronic respiratory diseases can be caused by long-term exposure to low-dose formaldehyde, nasopharyngeal carcinoma, colon cancer, cerebroma, menstrual disorder, gene mutation of cell nucleus, DNA single-chain internal cross-linking and DNA and protein cross-linking, repair of DNA damage inhibition, pregnancy syndrome, neonatal chromosome abnormality and leukemia can be caused, memory and intelligence of teenagers can be reduced, children and pregnant women are particularly sensitive to formaldehyde in all contactants, the harm is larger, formaldehyde is a highly toxic substance, formaldehyde is the second place of preferential control of chemicals in China, and formaldehyde is determined as carcinogenic and teratogenic substances by world health organization, the indoor board is a well-known allergic reaction source and is one of potential strong mutagens, the environmental protection grade of the indoor board is required to reach E1 grade according to the regulation, the indoor board is safe and environment-friendly and harmless to human bodies, and the E1 grade environmental protection standard is a national mandatory health standard and is a mandatory 'safety standard line'.
Disclosure of Invention
In order to solve the technical problems, the invention provides a production process of the formaldehyde-free ecological plate, which can reduce the formaldehyde content, improve the safety index of the plate and provide a good indoor environment for users.
The invention relates to a production process of an aldehyde-free ecological plate, which comprises the following steps:
(1) preparing a substrate: preparing wood or other lignocellulose into crushed aggregates by mechanical separation and chemical treatment, adding an adhesive and a board waterproof agent into the crushed aggregates, pressing the crushed aggregates into a medium-density fiber substrate at high temperature and high pressure, and additionally arranging a copper wire heat-insulating pad, a stainless steel template and a stainless steel wire net in the medium-density fiber substrate in the pressing process;
(2) and (3) flame retardant treatment: completely immersing the pressed and formed medium-density fiber substrate into an ammonium polyphosphate solution for soaking, and drying the medium-density fiber substrate after soaking;
(3) preparing an ecological plate:
a. soaking covering paper with an adhesive, and attaching the covering paper to the upper surface and the lower surface of the medium-density fiber substrate;
b. printing various patterns on the surface of the decorative paper, then soaking the decorative paper with an adhesive, and attaching the decorative paper to the surface of the overlay paper;
c. soaking surface paper with an adhesive, and attaching the surface paper to the surface of the decorative paper;
d. laminating the medium-density fiber substrate attached with the covering paper, the decorative paper and the surface paper again by adopting a cold-hot-cold hot pressing process to form an initial ecological plate;
(4) detecting the plate: detecting whether the surface of the pressed initial ecological plate is flat, has the phenomena of warping, deformation, bubbling, sinking and the like, and sampling and splitting the initial ecological plate to observe whether the core strips in the initial ecological plate are uniform and regular;
(5) plate treatment: polishing the surface of the detected initial ecological plate to improve the aesthetic degree and quality of the surface;
(6) plate cutting: sawing the edge area of the initial ecological plate, and cutting the initial ecological plate into a middle ecological plate with a size required to be used according to the use requirement;
(7) edge sealing treatment: performing edge sealing treatment on the edge area of the middle ecological plate by using an adhesive and an edge sealing material by using a curve edge sealing machine or a linear edge sealing machine;
(8) edge sealing detection: detecting whether the edge-sealed middle ecological plate has the defects of bottom exposure, edge breakage or large gap;
(9) drying and cleaning: drying the middle ecological plate subjected to edge sealing detection, and removing impurities such as dust, sawdust and the like adhered to the surface of the middle ecological plate to obtain an ecological plate;
(10) packaging: and packaging the obtained ecological plate.
The invention relates to a production process of an aldehyde-free ecological plate, wherein the adhesive in the step (1), the step (3) and the step (7) is a soybean aldehyde-free adhesive which does not use formaldehyde and takes soybean meal as a raw material.
According to the production process of the aldehyde-free ecological plate, the soaking in the step (2) comprises soaking for 2 hours.
According to the production process of the aldehyde-free ecological board, the drying treatment in the step (2) comprises the step of drying the soaked medium-density fiber substrate at 90 ℃ to remove the moisture in the medium-density fiber substrate until the moisture content is lower than 5%.
According to the production process of the aldehyde-free ecological board, the covering paper in the step (3) comprises titanium white paper with good covering power.
According to the production process of the aldehyde-free ecological plate, the decorative paper in the step (3) comprises wood grain paper with or without base color and good covering power, impregnation performance and printing performance.
According to the production process of the aldehyde-free ecological board, the surface paper in the step (3) has the advantages of good water absorption performance, cleanness, whiteness and transparency after gum dipping.
Compared with the prior art, the invention has the beneficial effects that: the ecological plate manufactured by the production process of the aldehyde-free ecological plate has the advantages of uniform thickness, good layering, no cavity overlapping phenomenon and no bulge, can be widely applied to the fields of home decoration, plate-type furniture, cabinets, wardrobes, bathroom cabinets and the like, has attractive surface, convenient construction, ecological environmental protection, scratch resistance and wear resistance, adopts the soybean aldehyde-free adhesive which does not use formaldehyde and takes soybean meal as a raw material in the whole process, and has extremely low formaldehyde release amount which completely exceeds the international formaldehyde release limit E0 level, namely the highest standard of F4 stars, and good application prospect when the ecological plate manufactured by the production process of the aldehyde-free ecological plate is used in daily life.
Detailed Description
The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
When the production process of the aldehyde-free ecological plate is adopted to manufacture the ecological plate, the operation steps are as follows:
preparing wood or other lignocellulose into crushed materials by mechanical separation and chemical treatment, adding a soybean formaldehyde-free adhesive which does not use formaldehyde and takes soybean meal as a raw material and a board waterproof agent into the crushed materials, pressing the crushed materials into a medium-density fiber substrate at high temperature and high pressure, and additionally arranging a copper wire heat-insulating pad, a stainless steel template and a stainless steel wire net in the medium-density fiber substrate in the pressing process;
completely immersing the pressed and molded medium-density fiber substrate into an ammonium polyphosphate solution for soaking for 2 hours, and drying the soaked medium-density fiber substrate at 90 ℃ after soaking to remove the water content of the medium-density fiber substrate to be lower than 5%;
soaking the titanium white paper with good covering power with a soybean formaldehyde-free adhesive which does not use formaldehyde and takes soybean meal as a raw material, attaching the titanium white paper to the upper surface and the lower surface of a medium-density fiber substrate, covering color spots on the surface of the medium-density limiting substrate, printing various patterns on the surface of wood grain paper with good covering power, impregnating performance and printing performance and with ground color or without ground color, soaking the titanium white paper with the soybean formaldehyde-free adhesive which does not use formaldehyde and takes the soybean meal as the raw material, attaching the titanium white paper to the surface of the wood grain paper, mainly playing a role of a device, soaking the surface paper with good water absorption performance, white cleanness and transparent performance after gum dipping with the soybean formaldehyde-free adhesive which takes the soybean meal as the raw material, and attaching the surface paper to the surface of the titanium white paper, the wood grain paper and the surface paper, and pressing the medium-density fiber substrate attached with the titanium white paper, the wood grain paper and the surface paper again by adopting a cold-hot-cold pressing process, forming an initial ecological plate, wherein the surface paper is heated and pressurized to ensure that the surface of the plate is highly transparent and hard and wear-resistant;
detecting whether the surface of the pressed initial ecological plate is flat, warped or deformed, or has the phenomena of bubbling and sinking or not, sampling and splitting the initial ecological plate to observe whether the core strips in the initial ecological plate are uniform and regular or not, polishing the surface of the detected initial ecological plate to improve the aesthetic degree and quality of the surface, sawing the edge area of the initial ecological plate, and cutting the initial ecological plate into a middle ecological plate with the size required to be used according to the use requirement;
the method comprises the steps of adopting a curve edge bonding machine or a linear edge bonding machine to perform edge bonding treatment on the edge area of the middle ecological plate by using a soybean formaldehyde-free adhesive and an edge bonding material which do not use formaldehyde and use soybean meal as raw materials, detecting whether the middle ecological plate after edge bonding treatment has the defects of bottom exposure, edge breakage or large gap, drying the middle ecological plate qualified through edge bonding detection, removing impurities such as dust and wood chips adhered to the surface of the middle ecological plate, obtaining the ecological plate, and packaging the obtained ecological plate.
The ecological plate manufactured by the production process of the aldehyde-free ecological plate has the advantages of uniform thickness, good layering, no cavity overlapping phenomenon and no bulge, can be widely applied to the fields of home decoration, plate-type furniture, cabinets, wardrobes, bathroom cabinets and the like, has attractive surface, convenient construction, ecological environmental protection, scratch resistance and wear resistance, adopts the soybean aldehyde-free adhesive which does not use formaldehyde and takes soybean meal as a raw material in the whole process, and has extremely low formaldehyde release amount which completely exceeds the international formaldehyde release limit E0 level, namely the highest standard of F4 stars, and good application prospect when the ecological plate manufactured by the production process of the aldehyde-free ecological plate is used in daily life.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The production process of the aldehyde-free ecological plate is characterized by comprising the following steps of:
(1) preparing a substrate: preparing wood or other lignocellulose into crushed aggregates by mechanical separation and chemical treatment, adding an adhesive and a board waterproof agent into the crushed aggregates, pressing the crushed aggregates into a medium-density fiber substrate at high temperature and high pressure, and additionally arranging a copper wire heat-insulating pad, a stainless steel template and a stainless steel wire net in the medium-density fiber substrate in the pressing process;
(2) and (3) flame retardant treatment: completely immersing the pressed and formed medium-density fiber substrate into an ammonium polyphosphate solution for soaking, and drying the medium-density fiber substrate after soaking;
(3) preparing an ecological plate:
a. soaking covering paper with an adhesive, and attaching the covering paper to the upper surface and the lower surface of the medium-density fiber substrate;
b. printing various patterns on the surface of the decorative paper, then soaking the decorative paper with an adhesive, and attaching the decorative paper to the surface of the overlay paper;
c. soaking surface paper with an adhesive, and attaching the surface paper to the surface of the decorative paper;
d. laminating the medium-density fiber substrate attached with the covering paper, the decorative paper and the surface paper again by adopting a cold-hot-cold hot pressing process to form an initial ecological plate;
(4) detecting the plate: detecting whether the surface of the pressed initial ecological plate is flat, has the phenomena of warping, deformation, bubbling, sinking and the like, and sampling and splitting the initial ecological plate to observe whether the core strips in the initial ecological plate are uniform and regular;
(5) plate treatment: polishing the surface of the detected initial ecological plate to improve the aesthetic degree and quality of the surface;
(6) plate cutting: sawing the edge area of the initial ecological plate, and cutting the initial ecological plate into a middle ecological plate with a size required to be used according to the use requirement;
(7) edge sealing treatment: performing edge sealing treatment on the edge area of the middle ecological plate by using an adhesive and an edge sealing material by using a curve edge sealing machine or a linear edge sealing machine;
(8) edge sealing detection: detecting whether the edge-sealed middle ecological plate has the defects of bottom exposure, edge breakage or large gap;
(9) drying and cleaning: drying the middle ecological plate subjected to edge sealing detection, and removing impurities such as dust, sawdust and the like adhered to the surface of the middle ecological plate to obtain an ecological plate;
(10) packaging: and packaging the obtained ecological plate.
2. The process for producing an aldehyde-free ecological plate as claimed in claim 1, wherein the adhesive in the step (1), the step (3) and the step (7) is a formaldehyde-free soybean adhesive which does not use formaldehyde and uses soybean meal as a raw material.
3. The process for producing an aldehyde-free ecological plate as claimed in claim 1, wherein the soaking in the step (2) comprises soaking for 2 hours.
4. The process for producing an aldehyde-free ecological plate as claimed in claim 1, wherein the drying treatment in step (2) comprises drying the soaked medium-density fiber substrate at 90 ℃ to remove water therein to a water content of less than 5%.
5. The process for producing an aldehyde-free ecological plate as claimed in claim 1, wherein the covering paper in the step (3) comprises titanium white paper having good covering power.
6. The process for producing an aldehyde-free ecological plate as claimed in claim 1, wherein the decorative paper in the step (3) comprises wood grain paper with ground color or without ground color, which has good covering power, impregnation property and printing property.
7. The process for producing an aldehyde-free ecological plate as claimed in claim 1, wherein the surface paper in the step (3) has good water absorption performance, is clean and white, and is transparent after being dipped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811233787.0A CN111086282A (en) | 2018-10-23 | 2018-10-23 | Production process of formaldehyde-free ecological plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811233787.0A CN111086282A (en) | 2018-10-23 | 2018-10-23 | Production process of formaldehyde-free ecological plate |
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| Publication Number | Publication Date |
|---|---|
| CN111086282A true CN111086282A (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811233787.0A Pending CN111086282A (en) | 2018-10-23 | 2018-10-23 | Production process of formaldehyde-free ecological plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112265078A (en) * | 2020-10-20 | 2021-01-26 | 雪宝国际智能科技有限公司 | Formaldehyde purification ecological plate and preparation method thereof |
| CN113263792A (en) * | 2021-05-10 | 2021-08-17 | 贵港市德嘉木业有限公司 | Epoxy modified soybean-based plate and preparation method thereof |
-
2018
- 2018-10-23 CN CN201811233787.0A patent/CN111086282A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112265078A (en) * | 2020-10-20 | 2021-01-26 | 雪宝国际智能科技有限公司 | Formaldehyde purification ecological plate and preparation method thereof |
| CN113263792A (en) * | 2021-05-10 | 2021-08-17 | 贵港市德嘉木业有限公司 | Epoxy modified soybean-based plate and preparation method thereof |
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Application publication date: 20200501 |
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