CN105269643A - Manufacturing method for small-dimension wood recombination aesthetic pattern antibiosis decoration board - Google Patents
Manufacturing method for small-dimension wood recombination aesthetic pattern antibiosis decoration board Download PDFInfo
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- CN105269643A CN105269643A CN201510687156.6A CN201510687156A CN105269643A CN 105269643 A CN105269643 A CN 105269643A CN 201510687156 A CN201510687156 A CN 201510687156A CN 105269643 A CN105269643 A CN 105269643A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000005215 recombination Methods 0.000 title abstract description 5
- 230000006798 recombination Effects 0.000 title abstract description 5
- 230000003115 biocidal effect Effects 0.000 title abstract 3
- 238000005034 decoration Methods 0.000 title abstract 3
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 19
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- 239000011941 photocatalyst Substances 0.000 claims abstract description 11
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- 235000011949 flavones Nutrition 0.000 claims description 10
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- 150000002367 halogens Chemical class 0.000 claims description 10
- -1 melamine modified urea-formaldehyde resin Chemical class 0.000 claims description 10
- 239000007800 oxidant agent Substances 0.000 claims description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 10
- 239000010452 phosphate Substances 0.000 claims description 10
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 10
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 10
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 10
- VHBFFQKBGNRLFZ-UHFFFAOYSA-N vitamin p Natural products O1C2=CC=CC=C2C(=O)C=C1C1=CC=CC=C1 VHBFFQKBGNRLFZ-UHFFFAOYSA-N 0.000 claims description 10
- 230000001590 oxidative effect Effects 0.000 claims description 9
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- 150000002513 isocyanates Chemical class 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- RDGCTFHHAMLOSI-UHFFFAOYSA-M (3-chloro-3-hydroxypropyl)-triethylazanium;chloride Chemical compound [Cl-].CC[N+](CC)(CC)CCC(O)Cl RDGCTFHHAMLOSI-UHFFFAOYSA-M 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 5
- 229920000877 Melamine resin Polymers 0.000 claims description 5
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims description 5
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical class CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- 150000001340 alkali metals Chemical class 0.000 claims description 5
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 5
- 239000003086 colorant Substances 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000003063 flame retardant Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 150000002431 hydrogen Chemical class 0.000 claims description 5
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims description 5
- 239000008108 microcrystalline cellulose Substances 0.000 claims description 5
- 229940016286 microcrystalline cellulose Drugs 0.000 claims description 5
- 238000010422 painting Methods 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 4
- 239000000980 acid dye Substances 0.000 claims description 3
- 239000002105 nanoparticle Substances 0.000 claims description 3
- 239000007844 bleaching agent Substances 0.000 claims description 2
- 239000000985 reactive dye Substances 0.000 claims description 2
- 239000000984 vat dye Substances 0.000 claims description 2
- 244000082204 Phyllostachys viridis Species 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000003672 processing method Methods 0.000 abstract description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- 239000000843 powder Substances 0.000 description 16
- 241001330002 Bambuseae Species 0.000 description 15
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 8
- 238000007598 dipping method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 6
- 238000004440 column chromatography Methods 0.000 description 4
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- 238000010298 pulverizing process Methods 0.000 description 4
- 238000009210 therapy by ultrasound Methods 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
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- 108010059892 Cellulase Proteins 0.000 description 2
- 229940106157 cellulase Drugs 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
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- 241000208140 Acer Species 0.000 description 1
- 235000006679 Mentha X verticillata Nutrition 0.000 description 1
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- 235000001636 Mentha x rotundifolia Nutrition 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 241000219000 Populus Species 0.000 description 1
- 235000009984 Pterocarpus indicus Nutrition 0.000 description 1
- 244000086363 Pterocarpus indicus Species 0.000 description 1
- 241000219492 Quercus Species 0.000 description 1
- 241000758196 Triplochiton scleroxylon Species 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229930013930 alkaloid Natural products 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 229930003935 flavonoid Natural products 0.000 description 1
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Landscapes
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention relates to a wood processing method and in particular to a manufacturing method for a recombination antibiosis decoration board with small-dimension wood imitating aesthetic patterns such as burls or bird eyes or the like. The method includes the following steps that firstly, single boards are preprocessed; secondly, the single boards are dyed, wherein the single boards are dyed according to the color of design patterns, and the temperature of dye liquid is 60-100 DEG C; thirdly, the single boards are dried; fourthly, the single boards are combined, wherein the single boards different in color are combined according to pattern requirements; fifthly, glue is applied to the single boards, wherein the glue is applied to the combined single boards, and the glue applying amount is 140-240 g/m<2>; sixthly, the single boards are glued; wherein the single boards to which the glue is applied are pressed according to requirements for pattern design; seventhly, the single boards are maintained; eighthly, a nanoscale TiO2 photocatalyst material, nano-silver and UV scrapping-preventing finish paint are mixed according to a ratio of (1-2):(0.2-0.4):(15-20) and evenly dispersed, and scrapping-preventing UV finish paint with an anti-bacterial function is manufactured; and ninthly, batten slicing is conducted. The small-dimension wood recombination aesthetic pattern antibiosis decoration board good in mechanical property, wear resistance and weather resistance is finally obtained.
Description
Technical Field
The invention relates to a wood processing method, in particular to a manufacturing method of a recombined antibacterial decorative plate which uses small diameter wood to imitate tree knots or sparrow eyes and other aesthetic patterns.
Background
The technical wood veneer (the recombined antibacterial decorative plate) simulates the grain patterns of natural wood, plays a vivid or unexpected decorative effect and obtains the pursuit of a part of wood culture enthusiasts. Throughout the scientific and technical wood industry chain, fast-growing woods such as poplar, African white wood and the like are mostly used, and the product types are also conventional imitation precious tree types such as common grain patterns of oak, maple, rosewood and the like. When the mosaic aesthetic patterns (sparrow eyes and the like) and the imitation knurl variegated patterns are produced, the redundant parts of the whole veneer are dug according to the process requirements, so that the material resources are wasted, and the labor capacity of workers is increased. And the felling amount of available fast-growing old woods is gradually reduced, so that greater raw material pressure is brought to the production of technical woods.
The small dimension wood has more living and dead knots and belongs to poor quality characteristics, but the small dimension wood can exert natural characteristics when being used for manufacturing aesthetic patterns, thus satisfying the requirement of veneer repair and achieving the expected aesthetic effect. The small-diameter wood is utilized to develop the artistic pattern technical wood antibacterial decorative board, the pressure of the large-diameter wood is reduced, and the inferior wood is added with value and utilized.
CN103878833A (2014-6-25) discloses a method for manufacturing a recombined bamboo antibacterial decorative board, however, the method still needs to be improved.
Disclosure of Invention
The invention aims to provide a manufacturing method of a technical wood antibacterial decorative plate for developing aesthetic patterns by utilizing the characteristics of small dimension wood, the product saves wood resources and has high simulation degree.
The invention aims to realize the technical scheme that the manufacturing method of the small-diameter wood recombined aesthetic pattern antibacterial decorative board comprises the following steps:
(1) pretreatment of the veneer: boiling the veneer in water of 75-95 ℃ to remove dead joints and movable joints on the small-diameter veneer;
(2) dyeing the veneer: dyeing the veneer according to the color of the designed pattern, wherein the temperature of the dye liquor is 60-100 ℃;
(3) drying the veneer: drying the dyed veneer, and controlling the water content to be 6-14%;
(4) single board combination: combining the veneers with different colors according to the pattern requirement;
(5) gluing the single board: the combined veneer is glued with the coating weight of 140-240g/m2；
(6) Veneer gluing: pressing the single plates coated with the glue according to the design requirements of the patterns;
(7) maintaining the veneer: fixing the glued recombined decorative wood battens together with a mould, ensuring the pressure required by gluing, and controlling the curing temperature to be 15-50 ℃;
(8) painting: mixing nano-scale TiO21-2 parts of photocatalyst material, nano silver and UV scratch-resistant finish paint: mixing at a ratio of 0.2-0.4:15-20, and uniformly dispersing to obtain scratch-resistant UV finish paint with antibacterial function;
(8) planing and cutting a batten: and sawing the four sides of the painted recombined decorative material batten, and slicing by using a slicing machine to obtain the antibacterial decorative board of the artistic pattern technical wood.
The invention controls parameters of the cooking temperature, the dye liquor temperature, the water content, the glue coating amount and the curing temperature in each stage of single board pretreatment, single board dyeing, single board drying, single board gluing and single board curing in the recombination process in a coordinated way, particularly controls the water content, so that the later-stage single board combination can be combined and pressed according to different aesthetic patterns, the mechanical properties of the adjacent small-diameter wood are close to and basically consistent, and the performance is stable, thereby preventing the adjacent small-diameter wood from causing edge warping or collapsing.
The specific process of the invention can be adopted to prepare the water-based inorganic nano silver and nano TiO2The photocatalyst material is uniformly applied in the water-based UV finish paint, and is oiled on the surface of the veneer through a roller coating process to prepare the environment-friendly antibacterial decorative board. The photocatalyst oil decorative layer is nano-grade TiO2The mixture of the photocatalyst material, the nano silver and the UV scratch-resistant finish paint is fully stirred at a high speed by a multifunctional variable-speed rotary stirrer according to a certain proportion and is uniformly dispersed. The nano silver has antibacterial effect, and the silver ion can improve the nano TiO2Photocatalytic action of the photocatalyst material to make TiO2The photocatalyst material can generate stronger activity under visible light with longer wavelength, and the utilization rate of light energy is improved. Thereby finally obtaining the recombined aesthetics of the small dimension wood with excellent mechanical property, wear resistance and weather resistancePattern antibacterial decorative board.
Preferably, in step (1) of the present invention, the pretreatment of the veneer comprises bleaching the veneer with a bleaching liquor, wherein the bleaching liquor comprises an oxidizing agent, a bleach stabilizer, a bleaching aid and an anionic surfactant.
More preferably, the oxidant is hydrogen peroxide, the bleaching stabilizer is sodium silicate, the bleaching assistant is sodium hydroxide, and the anionic surfactant is isooctanol polyoxyethylene ether phosphate.
More preferably, the bleaching solution comprises 80-95 parts by weight of hydrogen peroxide, 3-5 parts by weight of sodium silicate, 1-4 parts by weight of sodium hydroxide and 2-4 parts by weight of isooctanol polyoxyethylene ether phosphate.
Preferably, in the step (2), acid dye, reactive dye, vat dye or compound dye is used for veneer dyeing.
More preferably, the complex dye is an acidic ternary complex dye.
More preferably, the acidic ternary complex dye is prepared from a biomass nanofiber solubilizer, a flame retardant and an acidic disazo dye compound solution according to a mass ratio of 1: 25-40: 100-300;
the preparation of the biomass nanofiber solubilizer comprises the following steps: adding 1-3 parts of bamboo leaf flavone, 0.5-0.8 part of beta-cyclodextrin peppermint oil micropowder, 3-6 parts of nano-particle size silicon dioxide and/or 2-5 parts of aluminum hydroxide into cellulose colloidal suspension consisting of 4-7 parts of cellulose and 80-150 parts of microcrystalline cellulose according to parts by weight, then adding 0.5-1.8 parts of 3-chloro-hydroxypropyl triethyl ammonium chloride, and stirring and reacting at 60-80 ℃ for 18-30min to obtain the cellulose.
The ternary complex dye is composed of a biomass nanofiber solubilizer and a dye, the surface of the ternary complex dye contains rich hydroxyl carboxyl, the ternary complex dye can be tightly combined with wood fibers, and the binding force of dye molecules in wood is improved. The ternary complex dye also contains bamboo leaf flavone and beta-cyclodextrin mint oil micro powder, has good coupling effect with the dye, and has high application value because a large amount of flavonoid compounds such as phenolic acid compounds, anthraquinone compounds, terpene lactones, alkaloids and the like contained in bamboo leaves have strong sterilization and bacteriostasis effects; the beta-cyclodextrin peppermint oil micro powder has good health care effect and pleasant fragrance, so that the compound dye also has good sterilization and bacteriostasis effects, prolongs the service life, and has pleasant fragrance, thereby ensuring that the dye is green and environment-friendly.
More preferably, the preparation method of the beta-cyclodextrin peppermint oil micro powder comprises the following steps: at the temperature of 20-30 ℃, mixing beta-cyclodextrin and peppermint oil according to the mass ratio of 8-15: 40-65, embedding the peppermint oil into the inner cavity of the beta-cyclodextrin in a molecular form to form beta-cyclodextrin peppermint oil micro powder in an inclusion compound form;
the extraction method of the bamboo leaf flavone comprises the following steps: selecting dry leaves of lower part of bamboo of more than six years old in Dryokohama delavayi, and pulverizing into 0.5-0.8mm folium Bambusae fine powder; dissolving with 75-85wt% methanol solution, performing ultrasonic treatment for 28-35min, dissolving with 75-85wt% methanol solution, filtering, and separating by column chromatography.
More preferably, the acid disazo dye compound is
，
Wherein,
M1、M2independently of one another, hydrogen or an alkali metal;
R1is hydrogen, C1-C4Alkyl or halogen;
R2is hydrogen;
x is halogen;
y is-CH = CH2。
The acid dye used on the technical wood recombined veneer has better weather resistance and wear resistance.
Preferably, in the step (3), the drying of the veneer adopts sun drying, drying kiln drying, mesh belt drying or microwave drying.
Preferably, in the step (5), the glue for gluing is urea-formaldehyde resin, melamine modified urea-formaldehyde resin, modified vinyl acetate emulsion, acrylate emulsion or isocyanate.
Preferably, in the step (6), the gluing process is cold pressing or high-frequency heating.
In conclusion, the invention has the following beneficial effects:
1. according to the invention, parameters of the cooking temperature, the dye liquor temperature, the water content, the glue coating amount and the curing temperature at each stage of single board pretreatment, single board dyeing, single board drying, single board gluing and single board curing in the recombination process are cooperatively controlled, especially the water content is controlled, so that the later-stage single board combination can be combined and pressed according to different aesthetic patterns, the mechanical properties of the adjacent small-diameter wood are close to and basically kept consistent, and the performance is stable, thereby preventing the adjacent small-diameter wood from edge warping or collapsing; thereby finally obtaining the small-diameter wood recombined aesthetic pattern antibacterial decorative board with excellent mechanical property, wear resistance and weather resistance;
2. the recombined veneer has better weather resistance and wear resistance.
Detailed Description
Example one
The manufacturing method of the small-diameter wood recombined aesthetic pattern antibacterial decorative plate comprises the following steps:
(1) pretreatment of the veneer: steaming the veneer in water of 75 ℃ to remove dead joints and live joints on the small-diameter veneer;
(2) dyeing the veneer: dyeing the veneer according to the color of the designed pattern, wherein the temperature of the dye liquor is 60 ℃;
(3) drying the veneer: drying the dyed veneer, and controlling the water content to be 6%;
(4) single board combination: combining the veneers with different colors according to the pattern requirement;
(5) gluing the single board: gluing the combined single board with the coating weight of 140g/m2；
(6) Veneer gluing: pressing the single plates coated with the glue according to the design requirements of the patterns;
(7) maintaining the veneer: fixing the glued recombined decorative wood battens together with a mould, ensuring the pressure required by gluing, and controlling the curing temperature at 15 ℃;
(8) painting: mixing nano-scale TiO2The photocatalyst material, the nano silver and the UV scratch-resistant finish paint are mixed according to the proportion of 1: mixing the components in a ratio of 0.2:20, and uniformly dispersing to prepare the scratch-resistant UV finish paint with the antibacterial function;
(8) planing and cutting a batten: and sawing the four sides of the painted recombined decorative material batten, and slicing by using a slicing machine to obtain the antibacterial decorative board of the artistic pattern technical wood.
Example two
The manufacturing method of the small-diameter wood recombined aesthetic pattern antibacterial decorative plate comprises the following steps:
(1) pretreatment of the veneer: boiling the veneer in water at 95 ℃ to remove dead joints and movable joints on the small-diameter veneer;
(2) dyeing the veneer: dyeing the veneer according to the color of the designed pattern, wherein the temperature of the dyeing solution is 100 ℃;
(3) drying the veneer: drying the dyed veneer, and controlling the water content to be 14%;
(4) single board combination: combining the veneers with different colors according to the pattern requirement;
(5) gluing the single board: the combined veneer is glued with the coating weight of 240g/m2；
(6) Veneer gluing: pressing the single plates coated with the glue according to the design requirements of the patterns;
(7) maintaining the veneer: fixing the glued recombined decorative wood battens together with a mould, ensuring the pressure required by gluing, and controlling the curing temperature at 50 ℃;
(8) painting: mixing nano-scale TiO2The photocatalyst material, the nano silver and the UV scratch-resistant finish paint are prepared according to the following steps of: mixing and uniformly dispersing the components in a ratio of 0.4:15 to prepare the scratch-resistant UV finish paint with the antibacterial function;
(8) planing and cutting a batten: and sawing the four sides of the painted recombined decorative material batten, and slicing by using a slicing machine to obtain the antibacterial decorative board of the artistic pattern technical wood.
EXAMPLE III
The manufacturing method of the small-diameter wood recombined aesthetic pattern antibacterial decorative plate comprises the following steps:
(1) pretreatment of the veneer: boiling the veneer in water at 85 ℃ to remove dead joints and movable joints on the small-diameter veneer;
(2) dyeing the veneer: dyeing the veneer according to the color of the designed pattern, wherein the temperature of the dyeing solution is 80 ℃;
(3) drying the veneer: drying the dyed veneer, and controlling the water content to be 9%;
(4) single board combination: combining the veneers with different colors according to the pattern requirement;
(5) gluing the single board: to pairThe combined single board is glued with the coating weight of 190g/m2；
(6) Veneer gluing: pressing the single plates coated with the glue according to the design requirements of the patterns;
(7) maintaining the veneer: fixing the glued recombined decorative wood battens together with a mould, ensuring the pressure required by gluing, and controlling the curing temperature to be 19 ℃;
(8) painting: mixing nano-scale TiO2The photocatalyst material, the nano silver and the UV scratch-resistant finish paint are mixed according to the proportion of 1.5: mixing and uniformly dispersing the components in a ratio of 0.3:18 to prepare the scratch-resistant UV finish paint with the antibacterial function;
(9) planing and cutting a batten: and sawing the four sides of the painted recombined decorative material batten, and slicing by using a slicing machine to obtain the antibacterial decorative board of the artistic pattern technical wood.
Example four
The same as the first embodiment, except that the peeled wood sections in the step (1) are sent into a wood fluffer to be fluffed into wood strands, and the wood strands are processed into small-diameter wood recombined battens through the processes of drying, gum dipping, pressing and curing; the glue solution of the gum dipping is urea-formaldehyde resin, melamine modified urea-formaldehyde resin, modified vinyl acetate emulsion, acrylate emulsion or isocyanate. Drying is performed by sun drying, drying in drying kiln, mesh belt drying or microwave drying.
And (2) the veneer toughening treatment also comprises the step of bleaching the veneer by using bleaching liquid and then treating the veneer by using a nano cellulose solution, wherein the bleaching liquid comprises an oxidant, a bleaching stabilizer, a bleaching assistant and an anionic surfactant.
The oxidant is hydrogen peroxide, the bleaching stabilizer is sodium silicate, the bleaching assistant is sodium hydroxide, and the anionic surfactant is isooctanol polyoxyethylene ether phosphate.
The bleaching solution comprises 80 parts by weight of hydrogen peroxide, 3 parts by weight of sodium silicate, 1 part by weight of sodium hydroxide and 4 parts by weight of isooctanol polyoxyethylene ether phosphate.
The gluing process adopts urea-formaldehyde resin, isocyanate, rubber elastomer and polyvinyl acetate emulsion to blend and modify the adhesive material. The gluing process is cold pressing or high-frequency heating.
The acidic ternary complex dye in the step (4) is prepared from a biomass nanofiber solubilizer, a flame retardant and an acidic disazo dye compound solution according to a mass ratio of 1: 25: 300 are compounded;
preparation of the biomass nanofiber solubilizer: adding 1 part of bamboo leaf flavone, 0.5 part of beta-cyclodextrin peppermint oil micropowder, 3 parts of nano-particle-size silicon dioxide and 2 parts of aluminum hydroxide into cellulose colloidal suspension consisting of 4 parts of cellulase and 80 parts of microcrystalline cellulose according to parts by weight, then adding 0.5 part of 3-chloro-hydroxypropyl triethyl ammonium chloride, and stirring and reacting at 60 ℃ for 18min to obtain the cellulose.
The preparation method of the beta-cyclodextrin peppermint oil micro powder comprises the following steps: at the temperature of 20 ℃, mixing beta-cyclodextrin and peppermint oil according to the mass ratio of 8: 65 mixing, and embedding the peppermint oil into the inner cavity of the beta-cyclodextrin in a molecular form to form beta-cyclodextrin peppermint oil micro powder in an inclusion compound form;
the extraction method of the bamboo leaf flavone comprises the following steps: selecting dry leaves of lower part of bamboo of more than six years old in Dryokohama delavayi, and pulverizing into 0.5mm folium Bambusae fine powder; dissolving with 75% methanol solution by mass, performing ultrasonic treatment for 28min, adding 85wt% methanol solution, dissolving, and filtering to obtain filtrate as to-be-separated liquid for column chromatography.
The acid disazo dye compound is
，
Wherein,
M1、M2independently of one another, hydrogen or an alkali metal;
R1is hydrogen, C1-C4Alkyl or halogen;
R2is hydrogen;
x is halogen;
y is-CH = CH2。
EXAMPLE five
The same as the first embodiment, except that the peeled wood sections in the step (1) are sent into a wood fluffer to be fluffed into wood strands, and the wood strands are processed into small-diameter wood recombined battens through the processes of drying, gum dipping, pressing and curing; the glue solution of the gum dipping is urea-formaldehyde resin, melamine modified urea-formaldehyde resin, modified vinyl acetate emulsion, acrylate emulsion or isocyanate. Drying is performed by sun drying, drying in drying kiln, mesh belt drying or microwave drying.
And (2) the veneer toughening treatment also comprises the step of bleaching the veneer by using bleaching liquid and then treating the veneer by using a nano cellulose solution, wherein the bleaching liquid comprises an oxidant, a bleaching stabilizer, a bleaching assistant and an anionic surfactant.
The oxidant is hydrogen peroxide, the bleaching stabilizer is sodium silicate, the bleaching assistant is sodium hydroxide, and the anionic surfactant is isooctanol polyoxyethylene ether phosphate.
The bleaching solution comprises 80 parts by weight of hydrogen peroxide, 3 parts by weight of sodium silicate, 1 part by weight of sodium hydroxide and 4 parts by weight of isooctanol polyoxyethylene ether phosphate.
The gluing process adopts urea-formaldehyde resin, isocyanate, rubber elastomer and polyvinyl acetate emulsion to blend and modify the adhesive material. The gluing process is cold pressing or high-frequency heating.
The acidic ternary complex dye in the step (4) is prepared from a biomass nanofiber solubilizer, a flame retardant and an acidic disazo dye compound solution according to a mass ratio of 1: 40: 100 are compounded;
preparation of the biomass nanofiber solubilizer: adding 3 parts of bamboo leaf flavone, 0.8 part of beta-cyclodextrin peppermint oil micro powder, 6 parts of nano-particle-size silicon dioxide and 5 parts of aluminum hydroxide into cellulose colloidal suspension consisting of 7 parts of cellulase and 150 parts of microcrystalline cellulose according to parts by weight, then adding 1.8 parts of 3-chloro-hydroxypropyl triethyl ammonium chloride, and stirring and reacting at 80 ℃ for 30min to obtain the cellulose.
The preparation method of the beta-cyclodextrin peppermint oil micro powder comprises the following steps: at the temperature of 30 ℃, mixing beta-cyclodextrin and peppermint oil according to the mass ratio of 15: 40, mixing, namely embedding the peppermint oil into the inner cavity of the beta-cyclodextrin in a molecular form to form beta-cyclodextrin peppermint oil micro powder in an inclusion compound form;
the extraction method of the bamboo leaf flavone comprises the following steps: selecting dry leaves of lower part of bamboo of more than six years old in Dryokohama delavayi, and pulverizing into 0.8mm folium Bambusae fine powder; dissolving with 85wt% methanol solution, performing ultrasonic treatment for 35min, dissolving with 75wt% methanol solution, filtering, and collecting filtrate as liquid to be separated for column chromatography.
The acid disazo dye compound is
，
Wherein,
M1、M2independently of one another, hydrogen or an alkali metal;
R1is hydrogen, C1-C4Alkyl or halogen;
R2is hydrogen;
x is halogen;
y is-CH = CH2。
EXAMPLE six
The same as the first embodiment, except that the peeled wood sections in the step (1) are sent into a wood fluffer to be fluffed into wood strands, and the wood strands are processed into small-diameter wood recombined battens through the processes of drying, gum dipping, pressing and curing; the glue solution of the gum dipping is urea-formaldehyde resin, melamine modified urea-formaldehyde resin, modified vinyl acetate emulsion, acrylate emulsion or isocyanate. Drying is performed by sun drying, drying in drying kiln, mesh belt drying or microwave drying.
And (2) the veneer toughening treatment also comprises the step of bleaching the veneer by using bleaching liquid and then treating the veneer by using a nano cellulose solution, wherein the bleaching liquid comprises an oxidant, a bleaching stabilizer, a bleaching assistant and an anionic surfactant.
The oxidant is hydrogen peroxide, the bleaching stabilizer is sodium silicate, the bleaching assistant is sodium hydroxide, and the anionic surfactant is isooctanol polyoxyethylene ether phosphate.
The bleaching solution comprises 85 parts by weight of hydrogen peroxide, 4 parts by weight of sodium silicate, 3 parts by weight of sodium hydroxide and 3 parts by weight of isooctanol polyoxyethylene ether phosphate.
The gluing process adopts urea-formaldehyde resin, isocyanate, rubber elastomer and polyvinyl acetate emulsion to blend and modify the adhesive material. The gluing process is cold pressing or high-frequency heating.
The acidic ternary complex dye in the step (4) is prepared from a biomass nanofiber solubilizer, a flame retardant and an acidic disazo dye compound solution according to a mass ratio of 1: 30: 200 are compounded;
preparation of the biomass nanofiber solubilizer: adding 2 parts by weight of bamboo leaf flavone, 0.6 part by weight of beta-cyclodextrin peppermint oil micro powder, 5 parts by weight of nano-particle size silicon dioxide and 3 parts by weight of aluminum hydroxide into cellulose colloidal suspension consisting of 6 parts by weight of cellulose and 90 parts by weight of microcrystalline cellulose, then adding 0.9 part by weight of 3-chloro-hydroxypropyl triethyl ammonium chloride, and stirring and reacting at 70 ℃ for 25min to obtain the nano-cellulose-based cellulose.
The preparation method of the beta-cyclodextrin peppermint oil micro powder comprises the following steps: at the temperature of 25 ℃, mixing beta-cyclodextrin and peppermint oil according to the mass ratio of 10: 55, mixing, and embedding the peppermint oil into the inner cavity of the beta-cyclodextrin in a molecular form to form beta-cyclodextrin peppermint oil micro powder in an inclusion compound form;
the extraction method of the bamboo leaf flavone comprises the following steps: selecting dry leaves of lower part of bamboo of more than six years old in Dryokohama delavayi, and pulverizing into 0.6mm folium Bambusae fine powder; dissolving with 80% methanol solution, performing ultrasonic treatment for 30min, dissolving with 75-85wt% methanol solution, filtering, and collecting filtrate as to-be-separated liquid of column chromatography.
The acid disazo dye compound is
，
Wherein,
M1、M2independently of one another, hydrogen or an alkali metal;
R1is hydrogen, C1-C4Alkyl or halogen;
R2is hydrogen;
x is halogen;
y is-CH = CH2。
The formaldehyde emission of the finally prepared antibacterial decorative board is as follows: 0.2 mg/L; the light fastness is 6.5 grade; the surface pattern of the technical wood is as follows: sparrow eye series and tree tumor series; the utilization rate of the small diameter wood and the branch wood is improved to 85 percent from the original 20 percent, and the economic value is improved to about 55000 yuan per ton from 200 yuan per ton.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. A manufacturing method of a small-diameter wood recombined aesthetic pattern antibacterial decorative plate is characterized in that: it comprises the following steps:
(1) pretreatment of the veneer: boiling the veneer in water of 75-95 ℃ to remove dead joints and movable joints on the small-diameter veneer;
(2) dyeing the veneer: dyeing the veneer according to the color of the designed pattern, wherein the temperature of the dye liquor is 60-100 ℃;
(3) drying the veneer: drying the dyed veneer, and controlling the water content to be 6-14%;
(4) single board combination: combining the veneers with different colors according to the pattern requirement;
(5) gluing the single board: the combined veneer is glued with the coating weight of 140-240g/m2；
(6) Veneer gluing: pressing the single plates coated with the glue according to the design requirements of the patterns; (7) maintaining the veneer: fixing the glued recombined decorative wood battens together with a mould, ensuring the pressure required by gluing, and controlling the curing temperature to be 15-50 ℃;
(8) painting: mixing nano-scale TiO21-2 parts of photocatalyst material, nano silver and UV scratch-resistant finish paint: mixing at a ratio of 0.2-0.4:15-20, and uniformly dispersing to obtain scratch-resistant UV finish paint with antibacterial function;
(9) planing and cutting a batten: and sawing the four sides of the painted recombined decorative material batten, and slicing by using a slicing machine to obtain the antibacterial decorative board of the artistic pattern technical wood.
2. The method for manufacturing the small-diameter wood recombined aesthetic pattern antibacterial decorative plate according to claim 1, wherein the method comprises the following steps: in the step (1), the veneer pretreatment comprises bleaching the veneer with bleaching liquor, wherein the bleaching liquor comprises an oxidant, a stable bleaching agent, a bleaching assistant and an anionic surfactant.
3. The method for manufacturing the small-diameter wood recombined aesthetic pattern antibacterial decorative plate according to claim 2, wherein the method comprises the following steps: the oxidant is hydrogen peroxide, the bleaching stabilizer is sodium silicate, the bleaching assistant is sodium hydroxide, and the anionic surfactant is isooctanol polyoxyethylene ether phosphate.
4. The method for manufacturing the small-diameter wood recombined aesthetic pattern antibacterial decorative plate according to claim 3, wherein the method comprises the following steps: the bleaching solution comprises, by weight, 80-95 parts of hydrogen peroxide, 3-5 parts of sodium silicate, 1-4 parts of sodium hydroxide and 2-4 parts of isooctanol polyoxyethylene ether phosphate.
5. The method for manufacturing the small-diameter wood recombined aesthetic pattern antibacterial decorative plate according to claim 1, wherein the method comprises the following steps: in the step (2), the veneer dyeing adopts acid dye, reactive dye, vat dye or compound dye.
6. The method for manufacturing the small-diameter wood recombined aesthetic pattern antibacterial decorative plate according to claim 5, wherein the method comprises the following steps: the compound dye is an acidic ternary compound dye.
7. The method for manufacturing the small-diameter wood recombined aesthetic pattern antibacterial decorative plate according to claim 6, wherein the method comprises the following steps: the acidic ternary complex dye is prepared from a biomass nanofiber solubilizer, a flame retardant and an acidic disazo dye compound solution according to a mass ratio of 1: 25-40: 100-300;
the preparation of the biomass nanofiber solubilizer comprises the following steps: adding 1-3 parts of bamboo leaf flavone, 0.5-0.8 part of beta-cyclodextrin peppermint oil micropowder, 3-6 parts of nano-particle size silicon dioxide and/or 2-5 parts of aluminum hydroxide into cellulose colloidal suspension consisting of 4-7 parts of cellulose and 80-150 parts of microcrystalline cellulose according to parts by weight, then adding 0.5-1.8 parts of 3-chloro-hydroxypropyl triethyl ammonium chloride, and stirring and reacting at 60-80 ℃ for 18-30min to obtain the cellulose.
8. The method for manufacturing the small-diameter wood recombined aesthetic pattern antibacterial decorative plate according to claim 7, wherein the method comprises the following steps: the acid disazo dye compound is
，
Wherein,
M1、M2independently of one another, hydrogen or an alkali metal;
R1is hydrogen, C1-C4Alkyl or halogen;
R2is hydrogen;
x is halogen;
y is-CH = CH2。
9. The method for manufacturing the small-diameter wood recombined aesthetic pattern antibacterial decorative plate according to any one of claims 1 to 8, wherein: in the step (5), the glue solution for gluing is urea-formaldehyde resin, melamine modified urea-formaldehyde resin, modified vinyl acetate emulsion, acrylate emulsion or isocyanate.
10. The method for manufacturing the small-diameter wood recombined aesthetic pattern antibacterial decorative plate according to claim 9, wherein the method comprises the following steps: in the step (6), the gluing process is cold pressing or high-frequency heating.
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| CN108162112A (en) * | 2017-12-08 | 2018-06-15 | 德华兔宝宝装饰新材股份有限公司 | A kind of ternary built dyestuff and the method that high color fastness veneer layer is prepared using the dyestuff |
| CN108214779A (en) * | 2017-12-30 | 2018-06-29 | 常州文诺纺织品有限公司 | A kind of method of poplar bleaching |
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| CN109434993A (en) * | 2018-11-29 | 2019-03-08 | 浙江农林大学 | A kind of method of chemical stain agent induction sapstain |
| CN112277114A (en) * | 2020-10-09 | 2021-01-29 | 浙江伟星实业发展股份有限公司 | Contrast ivory nut button and preparation method thereof |
| CN112277114B (en) * | 2020-10-09 | 2022-03-01 | 浙江伟星实业发展股份有限公司 | Contrast ivory nut button and preparation method thereof |
| CN115781844A (en) * | 2022-12-05 | 2023-03-14 | 德华兔宝宝装饰新材股份有限公司 | Preparation method of high-color-fastness nano modified decorative veneer |
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