CN110056147B - Wood-crossing decorative sheet and manufacturing method thereof - Google Patents
Wood-crossing decorative sheet and manufacturing method thereof Download PDFInfo
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- CN110056147B CN110056147B CN201910367529.XA CN201910367529A CN110056147B CN 110056147 B CN110056147 B CN 110056147B CN 201910367529 A CN201910367529 A CN 201910367529A CN 110056147 B CN110056147 B CN 110056147B
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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- 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
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- 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
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0866—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of several layers, e.g. sandwich panels or layered panels
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0871—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having an ornamental or specially shaped visible surface
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/028—Paper layer
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- B32B2262/0276—Polyester fibres
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2419/00—Buildings or parts thereof
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- Architecture (AREA)
- Civil Engineering (AREA)
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- Chemical And Physical Treatments For Wood And The Like (AREA)
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Abstract
A wood-crossing decorative sheet is made of a balance paper for preventing deformation and improving texture, a decorative paper provided with a raw wood pattern, and a fiber film for enhancing flexibility and weather resistance of the decorative paper. According to the invention, the polyester fiber is modified, so that the hygroscopicity and the air permeability of the polyester fiber are improved, the flexibility and the weather resistance of the polyester fiber are enhanced, the polyester fiber has flame retardant property and antibacterial and mildewproof property, and the overwood decorative sheet formed by laminating balance paper, decorative paper and a fiber film has the advantages of strong weather resistance, health and environmental protection, good flame retardant effect, high antibacterial rate, high mildewproof effect and the like. Meanwhile, the production process special for producing the wood-crossing decorative sheet is matched, and the wood-crossing decorative sheet manufactured by the process has fine and vivid texture on the surface, is attractive and elegant, has excellent decorative effect, and has the characteristics of good wear resistance and scratch resistance, strong covering power and the like.
Description
Technical Field
The invention relates to the field of home decoration plates, in particular to a wood-crossing decorative sheet and a manufacturing method thereof.
Background
Along with the development of economy and the improvement of living standard of people, the diversified demands of consumers nowadays are hardly satisfied by the traditional decorative plate, and the ecological plate has the advantages of attractive appearance, strong plasticity, stable structure and strong performance, is more and more favored by the consumers and has wide development prospect.
At present, two types of ecological plates are mainly produced in the market, namely a direct-pasting type of direct pressing pasting, the process is simple but low in efficiency, the produced quality is unstable, and the requirement on a base material is high. The second is to press and paste the impregnated decorative paper on the scientific and technological veneer to form a decorative sheet, and then re-paste the decorative sheet with the substrate, the re-pasted ecological plate has the advantages of low price, good appearance quality, poor weather resistance, general wear resistance and scratch resistance, flammability and easy color difference, is easy to deform after being pressed and pasted, influences composite operation, and has high formaldehyde content, so that the environmental protection grade of the composite ecological plate is not guaranteed.
The polyester fiber is a synthetic fiber obtained by spinning polyester formed by polycondensation of organic dibasic acid and dihydric alcohol, does not contain formaldehyde, has good flexibility and weather resistance, and has higher strength and elastic recovery capability, so that the polyester fiber has good fastness, durability, wrinkle resistance and shape retention. Meanwhile, the light fastness is good, the resistance to various chemicals is good, the damage degree of acid and alkali is not large, the light-resistant flame-retardant antibacterial paint is not afraid of mould and worm damage, and the functions of flame retardance, antibiosis and the like can be endowed by adding some auxiliary agents. However, polyester fiber has poor hygroscopicity, poor water absorbability and poor air permeability, and the facing on the non-wood material is still a technical problem at present and is also a technical blank.
Summary of the invention
In order to overcome the defects of the prior art, the invention provides the wood-crossing decorative sheet and the manufacturing method of the wood-crossing decorative sheet.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the wood-crossing decorative sheet comprises balance paper for preventing deformation and improving texture, decorative paper with raw wood patterns and a fiber membrane for enhancing flexibility and weather resistance of the wood-crossing decorative sheet, wherein the balance paper and the decorative paper are both adhesive film paper impregnated with modified melamine resin, the decorative paper and the fiber membrane are respectively pressed and attached to the upper surface and the lower surface of the balance paper to form the wood-crossing decorative sheet, and a cross grain-matching mark I is arranged on the long edge of the decorative paper (12); the gram weight of the decorative paper and the gram weight of the balance paper are both 70-80 g/m2The content of volatile matters in the balance paper is 4-6%, the release amount of formaldehyde is less than or equal to 0.5mg/L, the back gum dipping amount is 80-90%, and the front gum dipping amount is 20-30%; the content of volatile matters in the decorative paper is 6-7%, the formaldehyde release amount is less than or equal to 0.5mg/L, the gum dipping amount is 150-170%, the main component of the fiber film is modified polyester fibers, and the gram weight of the fiber film (13) is 45-60 g/m2The water content is less than or equal to 3.0%, the antibacterial rate is more than or equal to 99.0%, the mildew-proof grade reaches 0 level, the limiting oxygen index is more than or equal to 32.0%, the fiber membrane is provided with a microporous structure, the cross section of the fiber membrane is X-shaped, and the 2h water absorption of the fiber membrane is more than or equal to 45.0%.
A manufacturing method of a wood-crossing decorative sheet comprises the following steps:
A. uncoiling a fiber film coiled material, placing the fiber film coiled material on a feeding roller of an automatic slicing machine, and automatically cutting the fiber film coiled material after setting the machine speed and the cutting length;
B. mounting a steel template on an upper heat conducting plate of a hot press, sequentially arranging demolding cloth, a silica gel pad, a padding plate and blanket cloth on a lower heat conducting plate from top to bottom, and mounting an infrared generator on plate inlet end frames at two sides of the lower heat conducting plate;
C. placing a medium density fiberboard on the demoulding cloth to press and paste, printing the cross mark of the steel template on the medium density fiberboard, adjusting an infrared generator to enable the infrared cross point to coincide with the cross grain-aligning mark on the medium density fiberboard and then fixing the medium density fiberboard;
D. sequentially paving the fiber film, the balance paper and the decorative paper on the medium density fiberboard and feeding the medium density fiberboard into a hot press, drawing out the medium density fiberboard, and adjusting the position of the decorative paper to enable a first cross grain-aligning mark on the decorative paper to coincide with an infrared intersection;
E. setting a required pressing and pasting process and carrying out hot pressing to form the wood-crossing decorative sheet;
F. and demolding the formed wood-crossing decorative sheet from the steel plate, and stacking the wood-crossing decorative sheet on a prepared wood frame.
In the invention, the texture carved on the steel template in the step B is consistent with that of the decorative paper, and the long side is provided with a corresponding cross mark.
In the invention, the balance paper and the decorative paper in the step D are both adhesive film paper impregnated with modified melamine resin, the mass ratio of formaldehyde to melamine in the modified melamine resin is 1:2, and the addition amount of the antibacterial mildew preventive in the modified melamine resin is 0.5-0.75% of the mass of the modified melamine resin.
In the invention, the laminating process in the step E is as follows: the working pressure is 15-20 MPa, the working temperature is 160-180 ℃, and the pressing time is 35-60S.
In the invention, the antibacterial and mildewproof agent comprises the following components in percentage by weight: 5-10 parts of quaternary ammonium salt, 4-8 parts of organic thiazole, 2-5 parts of phenols and 10-15 parts of water.
The invention has the beneficial effects that: according to the invention, the polyester fiber is modified, so that the hygroscopicity and the air permeability of the polyester fiber are improved, the flexibility and the weather resistance of the polyester fiber are enhanced, the polyester fiber has flame retardant property and antibacterial and mildewproof property, and the overwood decorative sheet formed by laminating balance paper, decorative paper and a fiber film has the advantages of strong weather resistance, health and environmental protection, good flame retardant effect, high antibacterial rate, high mildewproof effect and the like. Meanwhile, in the process of producing the wood-crossing decorative thin plate, the deviation of the accuracy of grain alignment of the wood-crossing decorative thin plate formed by pressing and pasting the fiber film, the balance paper and the decorative paper is within 1mm through the infrared synchronous grain alignment device, the grains are fine and vivid, the appearance is attractive and elegant, the decorative effect is excellent, and the wood-crossing decorative thin plate has the characteristics of good wear resistance and scratch resistance, strong covering power and the like. In conclusion, the production process is simple and efficient, the manufactured wood-crossing decorative thin plate is thin in thickness, light in weight, free of deformation, convenient to transport and excellent in use characteristics, and can be attached to various base materials such as plywood, a laminated wood board and a solid wood tooth joint board to form a high-grade decorative plate, so that the wood-crossing decorative thin plate has the product advantages of wide application range and strong product competitiveness.
Drawings
The invention is further illustrated by the following figures and embodiments:
fig. 1 is a schematic structural view of a wood-crossing decorative sheet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1, the wood-crossing decorative sheet comprises balance paper 11 for preventing deformation and improving texture, decorative paper 12 provided with raw wood patterns, and fiber films 13 for enhancing flexibility and weather resistance of the decorative paper 12, wherein the decorative paper 12 and the fiber films 13 are respectively pressed and attached to the upper surface and the lower surface of the balance paper 11 to form the wood-crossing decorative sheet with the thickness of 0.15-0.5 mm.
Preferably, the gram weight of the decorative paper 12 and the gram weight of the balance paper 11 are both 70-80 g/m2The content of the compound is less than the content of the compound; the content of volatile matters in the balance paper 11 is 4-6%, the content of volatile matters in the balance paper 11 is too high, foaming is easy to occur during pressing, the pressing quality is reduced, the release amount of formaldehyde is less than or equal to 0.5mg/L, the back glue dipping amount needs to be about 80-90%, the balance paper 11 and the fiber film 13 are not firmly combined due to too low glue dipping amount, the balance paper 11 is layered and has a glue penetration phenomenon due to too high pressing and pasting, the front glue dipping amount is 20-30%, the pressing quality of a board surface is affected due to too high glue dipping amount, the back surface of the balance paper 11 is attached to the fiber film 13, and the front surface of the balance paper 11 is attached to the decorative paper 12. Furthermore, the content of volatile matters in the decorative paper 12 is 6-7%, the content of volatile matters in the same decorative paper 12 is too high, foaming is easy to occur during pressing, the pressing quality is reduced, the formaldehyde release amount is less than or equal to 0.5mg/L, the gum dipping amount is about 150-170%, pinholes can occur when the gum dipping amount is too high or too low, the decorative paper 12 has complete wood grains, and a cross grain alignment mark I is arranged on the long edge. Further, the balance paper 11 and the decorative paper 12 are both adhesive film paper impregnated with modified melamine resin, and the grammage of the decorative paper balance paper 11 and the decorative paper 12 is the same.
Preferably, the main component of the fiber membrane is modified polyester fiber, and the gram weight of the fiber membrane 13 is 45-60 g/m2And the water content is less than or equal to 3.0 percent. Furthermore, in the preparation process of the polyester fiber, the shape of a spinneret plate is changed, and functional materials such as a pore-foaming agent polyethylene glycol are added, so that the structure of the fiber membrane is microporous and profiled, the fiber membrane 13 with the cross section of an X-shaped shape is formed, the 2h water absorption rate of the fiber membrane 13 is more than or equal to 45.0%, and the air permeability and the moisture absorption of the fiber membrane are improved. At the same time, the antibacterial mildew preventive is added to make the fiber membrane antibacterialThe rate is more than or equal to 99.0 percent, the mildew-proof grade reaches 0 grade, and the flame retardant property of the fiber membrane reaches the limit oxygen index more than or equal to 32.0 percent by adding a flame retardant phosphorus-containing compound.
At present, the production methods of the artificial board with the synchronous grain decoration surface on the market mainly comprise two methods: firstly, the clamp or the backer is manufactured manually for positioning to realize synchronous pressing and pasting, the clamp or the backer needs to be made in advance, the production efficiency is low, and the clamp or the backer can be worn and displaced after long-time use to influence the line accuracy; and secondly, synchronous pressing and pasting are realized through a three-point positioning camera shooting technology and a positioning image computer processing technology which are carried by imported equipment, and the method is high in production efficiency and grain aligning precision, large in investment and low in cost performance. However, both methods are not well suited for the lamination of wood-crossing decorative sheets, so the inventors invented the following manufacturing method according to wood-crossing decorative sheets, which includes the following processing steps:
A. the fiber film coiled material is uncoiled and placed on a feeding roller of an automatic slicing machine, the machine speed and the cutting length are set, the machine is started to automatically cut, the cut fiber films 13 are orderly stacked on a wood frame and packaged by plastic films, and the size of the fiber films 13 is 2500 x 1260mm in the process.
B. The steel template is installed on the hot press heat-conducting plate, the demolding cloth, the silica gel pad, the backing plate and the blanket cloth are sequentially arranged on the lower heat-conducting plate from top to bottom, the infrared generator is installed on the plate inlet end frames on two sides of the lower heat-conducting plate, and the infrared synchronous pattern aligning device is installed. Meanwhile, the carved texture of the steel template is consistent with the decorative paper 12, and the long edge is provided with a corresponding cross mark, so that the steel template must be boiled and cleaned before use, and the plate sticking during pressing is prevented.
C. Pre-pressing and positioning, placing a medium density fiberboard on the demolding cloth to press and attach, printing the cross mark of the steel molding board on the medium density fiberboard, adjusting an infrared generator to enable the infrared cross point to be superposed with the cross grain alignment mark on the medium density fiberboard and then fixing the medium density fiberboard.
D. Assembling the materials, sequentially paving the fiber film 13, the balance paper 11 and the decorative paper 12 on a medium density fiberboard, feeding the medium density fiberboard into a hot press, drawing out the medium density fiberboard, and adjusting the position of the decorative paper 12 to enable a cross grain mark one on the decorative paper 12 to coincide with an infrared intersection.
E. Setting a required pressing and pasting process, and then carrying out hot pressing to obtain the finished product of the wood-crossing decorative sheet, wherein the pressing and pasting process comprises the following steps: the working pressure is 18MPa, the working temperature is 170 ℃, and the hot pressing time is 45S.
F. The resulting wooded decorative veneer was demolded from the steel plate and stacked face-to-face on a pre-prepared wooden frame measuring 2630 x 1280 mm.
Preferably, the infrared generator in step B comprises a fixing bracket and an infrared generator main body, the fixing bracket is mounted on the plate feeding end, the infrared generator main body is mounted on the fixing bracket, and the fixing bracket is provided with a directional valve capable of adjusting the position of infrared rays in a vertical, horizontal and left-right direction.
Preferably, the surface of the release cloth in the step B is provided with a Teflon coating, and the backing plate is an 18mm medium-density fiberboard. Further, the thickness ratio of the release cloth, the silica gel pad, the backing plate and the carpet cloth in the embodiment is 0.03: 0.5: 1.8: 1, and their length and width are 2510 x 1310 mm. The use of the above-mentioned auxiliary production materials in step B has the following advantages: the blanket cloth prevents the base plate from directly contacting with the lower heat conducting plate, and effectively prevents the base plate from deforming and shifting; the backing plate is required to be intact when in use, so that the pressing quality is prevented from being influenced by the problem of the backing plate; the silica gel pad plays a role in increasing the buffering effect, and can effectively improve the quality of the pressed surface; the demolding cloth is used for reducing friction force, preventing plates from being stuck and facilitating demolding. In addition, in actual use, the silica gel pad and the demolding cloth can resist the high temperature of 200 ℃, so that the silica gel pad and the demolding cloth are prevented from being damaged in use, and the production is prevented from being delayed.
Preferably, the balance paper 11 and the decorative paper 12 in the step D are both adhesive film paper impregnated with modified melamine resin, the mass ratio of formaldehyde to melamine in the modified melamine resin is 1:2, and the addition amount of the antibacterial mildew preventive in the modified melamine resin is 0.5-0.75% of the mass of the modified melamine resin.
Preferably, in the present embodiment, the medium density fiberboard used has a size of 2460 × 1250 × 1 mm. Further, the antibacterial and mildewproof agent adopted in the embodiment is an antibacterial and mildewproof material manufactured by an aqueous technical formula, and the antibacterial and mildewproof agent comprises the following components in percentage by weight: 5-10 parts of quaternary ammonium salt, 4-8 parts of organic thiazole, 2-5 parts of phenols and 10-15 parts of water.
The results of comparing the physical and chemical properties of the wood-crossing decorative sheet produced by the examples with those of other decorative sheets on the market are shown in the following table 1:
as can be seen from table 1, the wood-crossing decorative sheet manufactured by the invention has better appearance quality, wear resistance, scratch resistance, weather resistance and environmental protection than the decorative sheet on the veneer, has good flame retardant effect and antibacterial and mildewproof functions, and can be widely applied to various decorative places, so that the wood-crossing decorative sheet provided by the invention is particularly suitable for wide popularization and application.
The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by substantially the same means are within the protection scope of the present invention.
Claims (6)
1. A wood-crossing decorative sheet is characterized in that: the decorative paper comprises balance paper (11) used for preventing deformation and improving texture, decorative paper (12) provided with raw wood patterns and a fiber membrane (13) used for enhancing flexibility and weather resistance of the decorative paper, wherein the balance paper (11) and the decorative paper (12) are both adhesive film paper impregnated with modified melamine resin, the decorative paper (12) and the fiber membrane (13) are respectively pressed and attached to the upper surface and the lower surface of the balance paper (11) to form a wood-crossing decorative thin plate, and a cross grain-matching mark I is arranged on the long edge of the decorative paper (12); the gram weights of the decorative paper (12) and the balance paper (11) are both 70-80 g/m2The content of volatile matters in the balance paper (11) is 4-6%, the release amount of formaldehyde is less than or equal to 0.5mg/L, the back gum dipping amount is 80-90%, and the front gum dipping amount is 20-30%; the content of volatile matters in the decorative paper (12) is 6-7%, the release amount of formaldehyde is less than or equal to 0.5mg/L, the gum dipping amount is 150-170%, and the main fiber membrane (13) isThe component is modified polyester fiber, and the gram weight of the fiber film (13) is 45-60 g/m2The water content is less than or equal to 3.0%, the antibacterial rate is more than or equal to 99.0%, the mildew-proof grade reaches 0 level, the limiting oxygen index is more than or equal to 32.0%, the fiber membrane (13) is provided with a microporous structure, the cross section of the fiber membrane (13) is X-shaped, and the 2h water absorption rate of the fiber membrane (13) is more than or equal to 45.0%.
2. The manufacturing method of the wood-crossing decorative sheet is characterized by comprising the following steps:
A. uncoiling a fiber film coiled material, placing the fiber film coiled material on a feeding roller of an automatic slicing machine, and automatically cutting the fiber film coiled material after setting the machine speed and the cutting length;
B. mounting a steel template on an upper heat conducting plate of a hot press, sequentially arranging demolding cloth, a silica gel pad, a padding plate and blanket cloth on a lower heat conducting plate from top to bottom, and mounting an infrared generator on plate inlet end frames at two sides of the lower heat conducting plate;
C. placing a medium density fiberboard on the demoulding cloth to press and paste, printing the cross mark of the steel template on the medium density fiberboard, adjusting an infrared generator to enable the infrared cross point to coincide with the cross grain-aligning mark on the medium density fiberboard and then fixing the medium density fiberboard;
D. sequentially paving a fiber film (13), balance paper (11) and decorative paper (12) on a medium density fiberboard and feeding the medium density fiberboard into a hot press, drawing out the medium density fiberboard, and adjusting the position of the decorative paper (12) to enable a cross grain mark one on the decorative paper (12) to coincide with an infrared intersection;
E. setting a required pressing and pasting process and carrying out hot pressing to form the wood-crossing decorative sheet;
F. and demolding the formed wood-crossing decorative sheet from the steel plate, and stacking the wood-crossing decorative sheet on a prepared wood frame.
3. The method for manufacturing the wood-crossing decorative sheet according to claim 2, wherein: and in the step B, the carved texture of the steel template is consistent with that of the decorative paper (12) and the long edge is provided with a corresponding cross mark.
4. The method for manufacturing the wood-crossing decorative sheet according to claim 2, wherein the balance paper (11) and the decorative paper (12) in the step D are both adhesive film paper impregnated with modified melamine resin, the mass ratio of formaldehyde to melamine in the modified melamine resin is 1:2, and the addition amount of the antibacterial and antifungal agent in the modified melamine resin is 0.5-0.75% of the mass of the modified melamine resin.
5. The method for manufacturing the wood-crossing decorative sheet according to claim 2, wherein: the pressing and pasting process in the step E comprises the following steps: the working pressure is 15-20 MPa, the working temperature is 160-180 ℃, and the pressing time is 35-60S.
6. The method for manufacturing the wood-crossing decorative sheet according to claim 4, wherein the antibacterial and mildewproof agent comprises the following components in percentage by weight: 5-10 parts of quaternary ammonium salt, 4-8 parts of organic thiazole, 2-5 parts of phenols and 10-15 parts of water.
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