CN104963478A - Photocatalyst environment-friendly floor and production process thereof - Google Patents
Photocatalyst environment-friendly floor and production process thereof Download PDFInfo
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- CN104963478A CN104963478A CN201510414446.3A CN201510414446A CN104963478A CN 104963478 A CN104963478 A CN 104963478A CN 201510414446 A CN201510414446 A CN 201510414446A CN 104963478 A CN104963478 A CN 104963478A
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Abstract
The invention relates to a photocatalyst environment-friendly floor, and belongs to the field of functional environment-friendly healthy floors. A base material layer of parquet is of a composite board structure. A decorative layer, an abrasion-resistant primer layer and a photocatalyst anti-microbial oil decoration layer are sequentially arranged above the base material layer. The photocatalyst anti-microbial oil decoration layer is a mixture layer formed by mixing a nano-scale TiO2 photocatalyst material, nano-silver, UV scratch-resistant finish paint and formaldehyde decomposed effective ingredients according to the mass ratio of 1-2:0.2-0.4:15-20:0.5-0.8. A balance layer is arranged below the base material layer. The formaldehyde decomposed effective ingredients comprise chitin, nanometer silicon wafers and tourmaline powder. The tourmaline powder accounts for 0-5 wt% of the formaldehyde decomposed effective ingredients. The parquet has the advantages of being strong in anti-microbial function, high in strength, good in abrasion resistance and comfortable in foot feeling.
Description
Technical field
The present invention relates to a kind of photocatalyst in environmental protection floor, belong to field, functional form environment protection health floor.
Background technology
In the dwelling environment of people, there is various volatile organic matter and harmful microorganism, directly affect the physical and mental health of people.In living environment, most of pathogenic bacteria are toward contact to aspects such as ground dirt and pets, and the microorganism growing germ and bacterium directly and human contact, is easilier passed to human body by floor.The antimildew and antibacterial agent of past people chemicals is sprayed at the surrounding in room, solve the air quality problems in room by this, and the toxicity of common antimildew and antibacterial agent is comparatively large, heat-resisting, endurance quality is poor, be sprayed at floor and surface of decorative plate easily makes its variable color and affects attractive in appearance.Along with the requirement of people to domestic environment is more and more higher, the demand on the health environment-friendly floor of functional form is brought into schedule.First very high to the environmental protection class requirement on floor itself, reach without aldehyde level.Next requires floor to have to purify air and antibacterial functions.
CN202467086U(2012-2-29) disclose a kind of photo-catalytic antibacterial floor, but the structure on this floor and performance thereof still have much room for improvement.
Summary of the invention
The object of this invention is to provide a kind of have high-environmental and antibacterial functions, intensity is high, abrasion resistance good, the photocatalyst in environmental protection floor of comfortable foot feeling.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
A kind of photocatalyst in environmental protection floor, is the layer structure comprising substrate layer, it is characterized in that: the Form aldehyde release limitation < 0.3mg/L of described solid wooden compound floor; Antibiotic rate >=90%; Surface abrasion resistance≤0.08g/100r;
Described substrate layer is Multilayer Structure;
Layer is covered or decorate with paint according to apart from described substrate layer decorative layer, wear-resistant primer layer and the photo-catalytic antibacterial of comprising at least successively near and far above described substrate layer;
It is nanoscale TiO that described photo-catalytic antibacterial covers or decorate with paint layer
2photocatalyst material, Nano Silver, UV scratch-resistant finish paint and Formaldehyde decomposition active ingredient in mass ratio 1-2:0.2-0.4:15-20:0.5-0.8 mix the mixture layer formed;
Balance layer is comprised below described substrate layer;
Described Formaldehyde decomposition active ingredient comprises chitin, nanometer silicon chip and tourmaline powder; Described tourmaline powder accounts for the 0-5wt% of described Formaldehyde decomposition active ingredient quality;
Described Nano Silver is prepared from according to following steps:
A. added in silver nitrate aqueous solution by sodium dodecyl sulfate solution and obtain mixed liquor, the mol ratio of described dodecyl sodium sulfate and silver nitrate is 2-3:1;
B. in described mixed liquor, add crown ether and contain alkali-metal reducing agent, the mol ratio of described crown ether and silver nitrate is 1-2:1; The described mol ratio containing alkali-metal reducing agent and silver nitrate is 0.5-1:1, and control ph is 8-9, obtains Nano Silver.
Antibiotic rate operative norm LY/T1926-2010 of the present invention antibacterial wood (bamboo) quality plate, surface abrasion resistance operative norm GB/T18103-2013 solid wooden compound floor.
Nanoscale TiO
2photocatalyst material, produces similar photosynthetic catalytic reaction, the oxygen in air and hydrone is excited under the irradiation of sunshine or visible ray, forms the extremely strong hydroxyl free radical of oxidation capacity and active oxygen.The extremely strong free radical of these oxidation capacities can catch and kill the planktonic bacteria in air, and removes that cigarette is smelly, rubbish is smelly, mud is smelly, and organic pollution is constantly degraded into free of contamination water and carbon dioxide etc., thus reaches the object of environment purification and air.For improving TiO
2the photocatalytic activity of photocatalyst, adopts Nano Silver as active catalyst.Silver in inorganic nano-silver is noble metal, can improve nanoscale TiO by surface deposition
2the photocatalytic activity of photocatalyst material, improves the effect that it is antibacterial.Nano Silver itself has antibacterial action, and silver ion has raising nanoscale TiO simultaneously
2the photocatalysis of photocatalyst material, makes TiO
2photocatalyst material just can produce stronger activity under the visible ray that wavelength is longer, improves the utilization rate of luminous energy.The environment protection health solid wood composite antibacterial floor with photo-catalytic antibacterial function made by solid wooden compound floor element plate after wear-resistant primer, photocatalyst surface are covered or decorate with paint.
Crown ether have hydrophobic external skeletal and hydrophilic can with the inner chamber of metal ion Cheng Jian, stable complex can be formed with alkali metal ion.Simultaneously; the present invention is engaged in follow-up reduction reaction and adds containing alkali-metal reducing agent; after adding above-mentioned reducing agent, crown ether and alkali metal ion form stable complex, make on the one hand free in reaction system or exposed reduction anion have higher reactivity; Meanwhile, after alkali metal and crown ether generation ligand complex, alkali metal cation is coated in inner chamber by crown ether, just pulls open the distance in Nano Silver system between positive and negative charge thus; Nano Silver is used in Environmental protection floor, Nano Silver can be made again further more effectively to infiltrate in Environmental protection floor, fully resist because moisture-induced mould is to the invasion and attack of sheet material.
As preferably, described decorative layer is the wood floors fabric of thickness 0.6-4.0mm, and described decorative layer is rotary-cut material, slicing material or sawn timber; Described balance layer is the veneer of thickness 0.3-1.2mm, and described balance layer is rotary-cut material.
As preferably, described wear-resistant primer layer is optical curing of UV prime coat, one side coating weight 30-40 g/m
2.
As preferably, it is photocuring antimicrobial paint surface layer that described photo-catalytic antibacterial covers or decorate with paint layer, and one side coating weight is 10-14 g/m
2.
As preferably, during described substrate layer adopts, plate is prepared from, specifically by middle plate cloth glue--core finishing-combination-hot pressing-cutting edge-sanding of colding pressing, and employing living beings rubber made from soybean cake during described cloth glue; Described living beings rubber made from soybean cake comprises the mixture that the bean powder of 1:1.5-2.5 in mass ratio and auxiliary agent mix.
By the specific substrate layer of the present invention, contribute to the overall anti-microbial property playing composite floor board.By adopting living beings rubber made from soybean cake as special adhesive, guarantee the high-environmental of ground laminin plate, intensity and antibiotic property.
As preferably, described auxiliary agent comprises water, alkali, polyvinyl alcohol, hexamethyl-epoxy chlorobutane, kaolin and isocyanates.
As preferably, described living beings rubber made from soybean cake preparation method comprises described bean powder and auxiliary agent is stirred 5-20min under rotating speed is the condition of 300-2000r/min, and stir, viscosity controls at 30000-100000cps.
The production technology on photocatalyst in environmental protection floor, it comprises the following steps successively:
(1) in, plate arranges: arranged by plate in Eucalyptus or weedtree, controls moisture content≤10%;
(2) impregnation: by auxiliary agent and bean powder in mass ratio 1.5-2.5:1 mix, make living beings rubber made from soybean cake, viscosity controls at 30000-100000cps;
(3) first substandard cloth glue, assembly: plate in putting in order is carried out even cloth glue, and spread controls at 160-220g/m
2, without flower glue phenomenon;
(4) first time colds pressing: the slab that assembly is good is entered cold press and colds pressing, time controling is at 20-40 min;
(5) core finishing: repaired by the slab of having colded pressing, cut off overlap, fills up scarce core gap;
(6) second substandard cloth glue, assembly: the slab having repaiied core is combined again by product thickness and structure;
(7) second time is colded pressing: the slab again combined is carried out precompressed, makes its just one-step forming;
(8) first time hot pressing: the slab of first one-step forming is entered press and carries out hot pressing, glue is solidified completely, slab is completely shaping;
(9) fixed thick sanding: slab is carried out surely thick sanding by setting thickness;
(10) cutting edge: blanket is cut into regulatory specifications size by processing request;
(11) scrape greasy: indentation, the crack place putty homochromy with plate face are filled and led up;
(12) polishing: by further for plate face light weight sand, the putty that sand remains except plate face and thicker burr, guarantee the bright and clean of plate face;
(13) sorting: the substrate after polishing is graded, qualified warehouse-in, underproof doing over again is repaired or is directly divided into substandard products;
(14) health: qualified substrate is put into health preserving room, makes moisture content even;
(15) cloth glue, veneer: the substrate after health sticks decorative layer and balance layer, decorative layer thickness 0.6-4.0mm, balance layer thickness 0.3-1.2mm, one side coating weight 120-200g/m
2, according to the line of base material, musculus cutaneus is pasted onto on base material one by one;
(16) third time colds pressing: the slab posting decorative layer and balance layer is entered cold press and carries out precompressed, pressure 0.8-1.2MPa, time 20-60 min, guarantees base material, balance layer, decorative layer energy just one-step forming;
(17) second time hot pressing: the slab of first one-step forming is carried out hot pressing, makes glue curing;
(18) multiple blade saw: cut by line by the slab posting face base plate, obtains required ground laminin plate;
(19) sanding: plain plate is carried out sanding;
(20) two-ends milling machine: the plain plate good to sanding carries out groove milling on request;
(21) priming: the plain plate of complete for milling groove is carried out priming paint and covers or decorate with paint, one side coating weight 30-40 g/m
2, and with UV lamp, irradiation solidification is carried out to it, thus make wear-resistant primer face;
(22) finish paint is adjusted: by nanoscale TiO
2photocatalyst material, Nano Silver, UV scratch-resistant finish paint and Formaldehyde decomposition active ingredient in mass ratio 1-2:0.2-0.4:15-20:0.5-0.8 mix; Dispersed; Make and there is antibacterial and scratch-resistant UV finish paint that is Formaldehyde decomposition function;
Described Formaldehyde decomposition active ingredient comprises chitin, nanometer silicon chip and tourmaline powder; Described tourmaline powder accounts for the 0-5wt% of described Formaldehyde decomposition active ingredient quality;
(23) upper finish paint: finish paint process is carried out to the plain plate having gone up priming paint, one side coating weight 10-14g/m
2, and with UV lamp, irradiation solidification is carried out to it, thus make antibacterial lacquer painting;
(24) test package.
The specific technique of employing the present invention can by aqueous inorganic Nano Silver and nanoscale TiO
2photocatalyst material is applied in water-based UV finish paint equably, make Nano Silver can stable dispersion in water-based UV finish paint, not easily reunite; Cover or decorate with paint the surface on floor through roller coating technology, make environmental protection photo-catalytic antibacterial floor.Adopt living beings rubber made from soybean cake as special adhesive without aldehyde level solid wooden compound floor base material, it is made up of auxiliary agent and soy meal, for ensureing its storage life, allocates at the scene during use.It is nanoscale TiO that photocatalyst covers or decorate with paint layer
2the mixture of photocatalyst material, Nano Silver and UV scratch-resistant finish paint, its three according to a certain percentage, carries out high speed by multi-function variable-speed gyratory shaker and fully stirs, disperse uniformly.Nano Silver itself has antibacterial action, and silver ion has raising nanoscale TiO simultaneously
2the photocatalysis of photocatalyst material, makes TiO
2photocatalyst material just can produce stronger activity under the visible ray that wavelength is longer, improves the utilization rate of luminous energy.Living beings rubber made from soybean cake is by auxiliary agent and bean powder through stirring, and the main component of auxiliary agent is water, alkali, polyvinyl alcohol, hexamethyl-epoxy chlorobutane, kaolin, isocyanates etc., and bean powder is that soybean grease processed side product forms through the process such as degreasing, grinding.
As preferably, described step (4) first time colds pressing pressure 0.8-1.2MPa.
As preferably, described step (7) second time is colded pressing pressure 0.8-1.2MPa, and cold pressing time 30-60min.
As preferably, described step (8) hot pressing temperature 110-120 DEG C, hot pressing time: 70-80s/mm, hot pressing pressure 0.8-1.2MPa.
As preferably, described step b adds crown ether and containing before alkali-metal second reducing agent, described mixed liquor is heated to 45-55 DEG C in described mixed liquor.
First heat and add crown ether again and contain alkali-metal second reducing agent, the reactivity of that dissociate in reaction system or exposed reduction anion can be increased, promote that alkali metal and crown ether generation ligand complex react, pull open the distance between positive and negative charge in Nano Silver system further, make Nano Silver can stable dispersion in water-based UV finish paint, not easily reunite.
As preferably, described step b adds crown ether and is heated to 70-85 DEG C, Keep agitation 5-8min containing after alkali-metal second reducing agent in described mixed liquor.
In described mixed liquor, add crown ether and continue heating containing after alkali-metal second reducing agent, the reactivity of that dissociate in reaction system or exposed reduction anion can be increased further, promote that alkali metal and crown ether generation ligand complex react, pull open the distance between positive and negative charge in Nano Silver system further, make Nano Silver can stable dispersion in water-based UV finish paint, not easily reunite.
In sum, the present invention has following beneficial effect:
1, by adopting living beings rubber made from soybean cake as special adhesive, the high-environmental of ground laminin plate is guaranteed.
2, the stable performance of inorganic nano-silver, not volatile, with UV finish paint non-interference.The silver of nanoscale discharges silver ion sustainedly and stably by ionization and enters in bacterial body, thus keeps antibacterial functions for a long time.
3, nanoscale TiO
2photocatalyst material, produces similar photosynthetic catalytic reaction, the oxygen in air and hydrone is excited under the irradiation of sunshine or visible ray, forms the extremely strong hydroxyl free radical of oxidation capacity and active oxygen.The extremely strong free radical of these oxidation capacities can catch and kill the planktonic bacteria in air, and removes that cigarette is smelly, rubbish is smelly, mud is smelly, and organic pollution is constantly degraded into free of contamination water and carbon dioxide etc., thus reaches the object of environment purification and air.
4, the silver in inorganic nano-silver is noble metal, can improve nanoscale TiO by surface deposition
2the photocatalytic activity of photocatalyst material, improves the effect that it is antibacterial.
Accompanying drawing explanation
Fig. 1 is the structural representation on photocatalyst in environmental protection floor of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment one
The preparation of Nano Silver:
Added in silver nitrate aqueous solution by sodium dodecyl sulfate solution and obtain mixed liquor, the mol ratio of dodecyl sodium sulfate and silver nitrate is 2:1;
Mixed liquor is heated to 45 DEG C, in mixed liquor, adds bicyclohexane also-18-hat-6 and sodium borohydride under stirring, be heated to 70 DEG C, Keep agitation 5min; Bicyclohexane also-18-hat-6 is 1:1 with the mol ratio of silver nitrate; The mol ratio of sodium borohydride and silver nitrate is 0.5:1, and control ph is 8, obtains Nano Silver.
The production technology on photocatalyst in environmental protection floor:
1, middle plate arranges: arranged by the standard of feeding intake by plate in the Eucalyptus of outsourcing or weedtree, mainly carry out sorting by its appearance ratings, standard compliantly feeds intake, and strictly need control moisture content;
2, impregnation: auxiliary agent mixes by 1.5:1 with bean powder, adopt electric mixer to carry out high-speed stirred 5min, make it fully to mix, make living beings rubber made from soybean cake, viscosity controls at 30000cps; Auxiliary agent comprises water, alkali, polyvinyl alcohol, hexamethyl-epoxy chlorobutane, kaolin and isocyanates;
3, cloth glue, assembly: plate in putting in order is carried out cloth glue, need cloth glue even, spread controls at 160g/m
2, without flower glue phenomenon;
4, cold pressing: the slab that assembly is good is entered cold press and colds pressing, time controling is at 20 min.
5, core finishing: repaired by the slab of having colded pressing, cut off overlap, fills up scarce core gap.
6, cloth glue, assembly: the slab having repaiied core is combined again by product thickness and structure.
7, cold pressing: the slab again combined is carried out precompressed, make its just one-step forming, cold pressing pressure 0.8MPa, the time: 30min;
8, hot pressing: the slab of first one-step forming is entered press and carries out hot pressing, glue is solidified completely, slab is completely shaping.Hot pressing temperature: 110 DEG C, time: 70s/mm, pressure: 0.8MPa;
9, fixed thick sanding: slab is carried out surely thick sanding by setting thickness, and abrasive band is generally 40-60 order, and required thickness is even, and sanding puts in place.
10, cutting edge: blanket is cut into regulatory specifications size by processing request.
11, scrape greasy: indentation, the crack place putty homochromy with plate face are filled and led up.
12, polishing: by further for plate face light weight sand, the putty that sand remains except plate face and thicker burr, guarantee the bright and clean of plate face.
13, sorting: graded by the substrate after polishing, qualified warehouse-in, underproof doing over again is repaired or is directly divided into substandard products.
14, health: qualified substrate is put into health preserving room, makes it moisture content even.
15, cloth glue, veneer: decorative layer and balance layer are sticked, decorative layer thickness 0.6mm, balance layer thickness 0.3mm, the general 120g/m of coating weight to the substrate after health
2(one side), according to the line of base material, is pasted onto on base material one by one by musculus cutaneus.
16, cold pressing: the slab posting decorative layer and balance layer is entered cold press and carries out precompressed, pressure 0.8MPa, time 20min, guarantee that base material, balance layer, decorative layer can first one-step formings.
17, hot pressing: the slab of first one-step forming is carried out hot pressing, makes glue solidify completely and guarantees that its physicochemical property is qualified.
18, multiple blade saw: cut by line by the slab posting face base plate, obtains required ground laminin plate.
19, sanding: plain plate is carried out sanding, abrasive band is generally 100-150 order.
20, two-ends milling machine: the plain plate good to sanding carries out groove milling on request.
21, priming: the plain plate of complete for milling groove is carried out UV wear-resistant primer and covers or decorate with paint, generally needs 6 times, coating weight 30g/m
2, and with UV lamp, irradiation solidification is carried out to it, thus make wear-resistant primer face.
Adjust finish paint: by nanoscale TiO
2photocatalyst material, Nano Silver, UV scratch-resistant finish paint and Formaldehyde decomposition active ingredient in mass ratio 1:0.4:20:0.8 mix; Dispersed; Make and there is antibacterial and scratch-resistant UV finish paint that is Formaldehyde decomposition function;
Formaldehyde decomposition active ingredient comprises the chitin and nanometer silicon chip that form according to mass ratio 1:1.
22, upper finish paint: finish paint process is carried out to the plain plate having gone up priming paint, general roller coat 2 times, coating weight 10g/m
2, and with UV lamp, irradiation solidification is carried out to it, thus make antibacterial lacquer painting.Both ensure the brightness and plumpness etc. in plate face, give again its antibacterial functions.
23, test package: tested by product standard on the floor of having painted, qualified packaging and warehousing, Packaging Box is indicated kind, title, specification, quantity, look number, environmental protection grade etc.
The solid wooden compound floor finally made as shown in Figure 1, Form aldehyde release limitation < 0.3mg/L; Antibiotic rate>=90%; Surface abrasion resistance≤0.08g/100r; Substrate layer 1 is Multilayer Structure; Decorative layer 2 is the wood floors fabric of thickness 0.6mm, and decorative layer 2 is rotary-cut material, slicing material or sawn timber; Balance layer 0 is the veneer of thickness 0.3mm, and balance layer 0 is rotary-cut material; Wear-resistant primer layer 3 is optical curing of UV prime coat, one side coating weight 30g/m
2; Photo-catalytic antibacterial covers or decorate with paint layer 4 for photocuring antimicrobial paint surface layer, and one side coating weight is 10g/m
2.Antibiotic rate meets the antibacterial wood of standard LY/T1926-2010 (bamboo) quality plate, and surface abrasion resistance meets standard GB/T18103-2013.
Embodiment two
The preparation of Nano Silver:
Added in silver nitrate aqueous solution by sodium dodecyl sulfate solution and obtain mixed liquor, the mol ratio of dodecyl sodium sulfate and silver nitrate is 3:1;
Mixed liquor is heated to 55 DEG C, in mixed liquor, adds bicyclohexane also-18-hat-6 and potassium borohydride under stirring, be heated to 85 DEG C, Keep agitation 8min; Bicyclohexane also-18-hat-6 is 2:1 with the mol ratio of silver nitrate; The mol ratio of potassium borohydride and silver nitrate is 1:1, and control ph is 8-9, obtains Nano Silver.
The production technology on photocatalyst in environmental protection floor:
1, middle plate arranges: arranged by the standard of feeding intake by plate in the Eucalyptus of outsourcing or weedtree, mainly carry out sorting by its appearance ratings, standard compliantly feeds intake, and strictly need control moisture content;
2, impregnation: auxiliary agent mixes by 2.5:1 with bean powder, adopt electric mixer to carry out high-speed stirred 15min, make it fully to mix, make living beings rubber made from soybean cake, viscosity controls at 100000cps; Auxiliary agent comprises water, alkali, polyvinyl alcohol, hexamethyl-epoxy chlorobutane, kaolin and isocyanates;
3, cloth glue, assembly: plate in putting in order is carried out cloth glue, need cloth glue even, spread controls at 220g/m
2, without flower glue phenomenon;
4, cold pressing: the slab that assembly is good is entered cold press and colds pressing, time controling is at 40 min.
5, core finishing: repaired by the slab of having colded pressing, cut off overlap, fills up scarce core gap.
6, cloth glue, assembly: the slab having repaiied core is combined again by product thickness and structure.
7, cold pressing: the slab again combined is carried out precompressed, make its just one-step forming, cold pressing pressure 1.2MPa, the time: 60min;
8, hot pressing: the slab of first one-step forming is entered press and carries out hot pressing, glue is solidified completely, slab is completely shaping.Hot pressing temperature: 120 DEG C, time: 80s/mm, pressure: 1.2MPa;
9, fixed thick sanding: slab is carried out surely thick sanding by setting thickness, and abrasive band is generally 40-60 order, and required thickness is even, and sanding puts in place.
10, cutting edge: blanket is cut into regulatory specifications size by processing request.
11, scrape greasy: indentation, the crack place putty homochromy with plate face are filled and led up.
12, polishing: by further for plate face light weight sand, the putty that sand remains except plate face and thicker burr, guarantee the bright and clean of plate face.
13, sorting: graded by the substrate after polishing, qualified warehouse-in, underproof doing over again is repaired or is directly divided into substandard products.
14, health: qualified substrate is put into health preserving room, makes it moisture content even.
15, cloth glue, veneer: decorative layer and balance layer are sticked, decorative layer thickness 4.0mm, balance layer thickness 1.2mm, the general 200g/m of coating weight to the substrate after health
2(one side), according to the line of base material, is pasted onto on base material one by one by musculus cutaneus.
16, cold pressing: the slab posting decorative layer and balance layer is entered cold press and carries out precompressed, pressure 1.2MPa, time 60 min, guarantees that base material, balance layer, decorative layer can first one-step formings.
17, hot pressing: the slab of first one-step forming is carried out hot pressing, makes glue solidify completely and guarantees that its physicochemical property is qualified.
18, multiple blade saw: cut by line by the slab posting face base plate, obtains required ground laminin plate.
19, sanding: plain plate is carried out sanding, abrasive band is generally 100-150 order.
20, two-ends milling machine: the plain plate good to sanding carries out groove milling on request.
21, priming: the plain plate of complete for milling groove is carried out priming paint and covers or decorate with paint, generally needs 6 times, coating weight 40g/m
2, and with UV lamp, irradiation solidification is carried out to it, thus make wear-resistant primer face.
Adjust finish paint: by nanoscale TiO
2photocatalyst material, Nano Silver, UV scratch-resistant finish paint and Formaldehyde decomposition active ingredient in mass ratio 2:0.2:15:0.5 mix; Dispersed; Make and there is antibacterial and scratch-resistant UV finish paint that is Formaldehyde decomposition function;
Formaldehyde decomposition active ingredient comprises chitin, nanometer silicon chip and tourmaline powder; Tourmaline powder accounts for the 5wt% of described Formaldehyde decomposition active ingredient quality, and the mass ratio of chitin and nanometer silicon chip is 2:3.
22, upper finish paint: finish paint process is carried out to the plain plate having gone up priming paint, general roller coat 2 times, coating weight 14g/m
2, and with UV lamp, irradiation solidification is carried out to it, thus make antibacterial lacquer painting.Both ensure the brightness and plumpness etc. in plate face, give again its antibacterial functions.
23, test package: tested by product standard on the floor of having painted, qualified packaging and warehousing, Packaging Box is indicated kind, title, specification, quantity, look number, environmental protection grade etc.
The Form aldehyde release limitation < 0.3mg/L of the solid wooden compound floor finally made; Antibiotic rate>=90%; Surface abrasion resistance≤0.08g/100r; Decorative layer is the wood floors fabric of thickness 4.0mm, and decorative layer is rotary-cut material, slicing material or sawn timber; Balance layer is the veneer of thickness 1.2mm, and balance layer is rotary-cut material; Wear-resistant primer layer is optical curing of UV prime coat, one side coating weight 40 g/m
2; It is photocuring antimicrobial paint surface layer that photo-catalytic antibacterial covers or decorate with paint layer, and one side coating weight is 14 g/m
2.Antibiotic rate meets the antibacterial wood of standard LY/T1926-2010 (bamboo) quality plate, and surface abrasion resistance meets standard GB/T18103-2013.
Embodiment three
The preparation of Nano Silver:
Added in silver nitrate aqueous solution by sodium dodecyl sulfate solution and obtain mixed liquor, the mol ratio of dodecyl sodium sulfate and silver nitrate is 2.5:1;
Mixed liquor is heated to 50 DEG C, in mixed liquor, adds bicyclohexane also-18-hat-6 and sodium metaphosphate under stirring, be heated to 75 DEG C, Keep agitation 6min; Bicyclohexane also-18-hat-6 is 1.5:1 with the mol ratio of silver nitrate; The mol ratio of sodium metaphosphate and silver nitrate is 0.8:1, and control ph is 8.5, obtains Nano Silver.
The production technology on photocatalyst in environmental protection floor:
1, middle plate arranges: arranged by the standard of feeding intake by plate in the Eucalyptus of outsourcing or weedtree, mainly carry out sorting by its appearance ratings, standard compliantly feeds intake, and strictly need control moisture content;
2, impregnation: auxiliary agent mixes by 2:1 with bean powder, adopt electric mixer to carry out high-speed stirred 10min, make it fully to mix, make living beings rubber made from soybean cake, viscosity controls at 90000cps; Auxiliary agent comprises water, alkali, polyvinyl alcohol, hexamethyl-epoxy chlorobutane, kaolin and isocyanates;
3, cloth glue, assembly: plate in putting in order is carried out cloth glue, need cloth glue even, spread controls at 200g/m
2, without flower glue phenomenon;
4, cold pressing: the slab that assembly is good is entered cold press and colds pressing, time controling is at 30 min.
5, core finishing: repaired by the slab of having colded pressing, cut off overlap, fills up scarce core gap.
6, cloth glue, assembly: the slab having repaiied core is combined again by product thickness and structure.
7, cold pressing: the slab again combined is carried out precompressed, make its just one-step forming, cold pressing pressure 0.9MPa, the time: 40min;
8, hot pressing: the slab of first one-step forming is entered press and carries out hot pressing, glue is solidified completely, slab is completely shaping.Hot pressing temperature: 115 DEG C, time: 75s/mm, pressure: 1.1MPa;
9, fixed thick sanding: slab is carried out surely thick sanding by setting thickness, and abrasive band is generally 40-60 order, and required thickness is even, and sanding puts in place.
10, cutting edge: blanket is cut into regulatory specifications size by processing request.
11, scrape greasy: indentation, the crack place putty homochromy with plate face are filled and led up.
12, polishing: by further for plate face light weight sand, the putty that sand remains except plate face and thicker burr, guarantee the bright and clean of plate face.
13, sorting: graded by the substrate after polishing, qualified warehouse-in, underproof doing over again is repaired or is directly divided into substandard products.
14, health: qualified substrate is put into health preserving room, makes it moisture content even.
15, cloth glue, veneer: decorative layer and balance layer are sticked, decorative layer thickness 3.0mm, balance layer thickness 0.9mm, the general 190g/m of coating weight to the substrate after health
2(one side), according to the line of base material, is pasted onto on base material one by one by musculus cutaneus.
16, cold pressing: the slab posting decorative layer and balance layer is entered cold press and carries out precompressed, pressure 0.9MPa, time 40 min, guarantees that base material, balance layer, decorative layer can first one-step formings.
17, hot pressing: the slab of first one-step forming is carried out hot pressing, makes glue solidify completely and guarantees that its physicochemical property is qualified.
18, multiple blade saw: cut by line by the slab posting face base plate, obtains required ground laminin plate.
19, sanding: plain plate is carried out sanding, abrasive band is generally 100-150 order.
20, two-ends milling machine: the plain plate good to sanding carries out groove milling on request.
21, priming: the plain plate of complete for milling groove is carried out UV wear-resistant primer and covers or decorate with paint, generally needs 6 times, coating weight 35g/m
2, and with UV lamp, irradiation solidification is carried out to it, thus make wear-resistant primer face.
Adjust finish paint: by nanoscale TiO
2photocatalyst material,
Nano Silver, UV scratch-resistant finish paint and Formaldehyde decomposition active ingredient in mass ratio 1.5:0.3:18:0.6 mix; Dispersed; Make and there is antibacterial and scratch-resistant UV finish paint that is Formaldehyde decomposition function;
Formaldehyde decomposition active ingredient comprises chitin, nanometer silicon chip and tourmaline powder; Tourmaline powder accounts for the 3wt% of described Formaldehyde decomposition active ingredient quality; The mass ratio of chitin and nanometer silicon chip is 3:5.
22, upper finish paint: finish paint process is carried out to the plain plate having gone up priming paint, general roller coat 2 times, coating weight 11g/m
2, and with UV lamp, irradiation solidification is carried out to it, thus make antibacterial lacquer painting.Both ensure the brightness and plumpness etc. in plate face, give again its antibacterial functions.
23, test package: tested by product standard on the floor of having painted, qualified packaging and warehousing, Packaging Box is indicated kind, title, specification, quantity, look number, environmental protection grade etc.
The Form aldehyde release limitation < 0.3mg/L of the solid wooden compound floor finally made; Antibiotic rate>=90%; Surface abrasion resistance≤0.08g/100r; Decorative layer is the wood floors fabric of thickness 3.0mm, and decorative layer is rotary-cut material, slicing material or sawn timber; Balance layer is the veneer of thickness 0.9mm, and balance layer is rotary-cut material; Wear-resistant primer layer is optical curing of UV prime coat, one side coating weight 35 g/m
2; It is photocuring antimicrobial paint surface layer that photo-catalytic antibacterial covers or decorate with paint layer, and one side coating weight is 11g/m
2.Antibiotic rate meets the antibacterial wood of standard LY/T1926-2010 (bamboo) quality plate, and surface abrasion resistance meets standard GB/T18103-2013.
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this manual, as long as but be all subject to the protection of Patent Law in right of the present invention.
Claims (10)
1. a photocatalyst in environmental protection floor, is the layer structure comprising substrate layer, it is characterized in that: the Form aldehyde release limitation < 0.3mg/L of described solid wooden compound floor; Antibiotic rate >=90%; Surface abrasion resistance≤0.08g/100r;
Described substrate layer is Multilayer Structure;
Layer is covered or decorate with paint according to apart from described substrate layer decorative layer, wear-resistant primer layer and the photo-catalytic antibacterial of comprising at least successively near and far above described substrate layer;
It is nanoscale TiO that described photo-catalytic antibacterial covers or decorate with paint layer
2photocatalyst material, Nano Silver, UV scratch-resistant finish paint and Formaldehyde decomposition active ingredient in mass ratio 1-2:0.2-0.4:15-20:0.5-0.8 mix the mixture layer formed;
Balance layer is comprised below described substrate layer;
Described Formaldehyde decomposition active ingredient comprises chitin, nanometer silicon chip and tourmaline powder; Described tourmaline powder accounts for the 0-5wt% of described Formaldehyde decomposition active ingredient quality;
Described Nano Silver is prepared from according to following steps:
A. added in silver nitrate aqueous solution by sodium dodecyl sulfate solution and obtain mixed liquor, the mol ratio of described dodecyl sodium sulfate and silver nitrate is 2-3:1;
B. in described mixed liquor, add crown ether and contain alkali-metal reducing agent, the mol ratio of described crown ether and silver nitrate is 1-2:1; The described mol ratio containing alkali-metal reducing agent and silver nitrate is 0.5-1:1, and control ph is 8-9, obtains Nano Silver.
2. a kind of photocatalyst in environmental protection floor according to claim 1, is characterized in that: described decorative layer is the wood floors fabric of thickness 0.6-4.0mm, and described decorative layer is rotary-cut material, slicing material or sawn timber; Described balance layer is the veneer of thickness 0.3-1.2mm, and described balance layer is rotary-cut material.
3. a kind of photocatalyst in environmental protection floor according to claim 2, is characterized in that: described wear-resistant primer layer is optical curing of UV prime coat, one side coating weight 30-40 g/m
2.
4. a kind of photocatalyst in environmental protection floor according to claim 3, is characterized in that: it is photocuring antimicrobial paint surface layer that described photo-catalytic antibacterial covers or decorate with paint layer, and one side coating weight is 10-14 g/m
2.
5. a kind of photocatalyst in environmental protection floor according to claim 4, is characterized in that: during described substrate layer adopts, plate is prepared from, and specifically by middle plate cloth glue--core finishing-combination-hot pressing-cutting edge-sanding of colding pressing, adopts living beings rubber made from soybean cake during described cloth glue; Described living beings rubber made from soybean cake comprises the mixture that the bean powder of 1:1.5-2.5 in mass ratio and auxiliary agent mix.
6. a kind of photocatalyst in environmental protection floor according to claim 5, is characterized in that: described auxiliary agent comprises water, alkali, polyvinyl alcohol, hexamethyl-epoxy chlorobutane, kaolin and isocyanates.
7. a kind of photocatalyst in environmental protection floor according to claim 6, it is characterized in that: described living beings rubber made from soybean cake preparation method comprises described bean powder and auxiliary agent are stirred 5-20min under rotating speed is the condition of 300-2000r/min, stir, viscosity controls at 30000-100000cps.
8. the production technology on a kind of photocatalyst in environmental protection floor according to any one of claim 1-7, is characterized in that comprising the following steps successively:
(1) in, plate arranges: arranged by plate in Eucalyptus or weedtree, controls moisture content≤10%;
(2) impregnation: by auxiliary agent and bean powder in mass ratio 1.5-2.5:1 mix, make living beings rubber made from soybean cake, viscosity controls at 30000-100000cps;
(3) first substandard cloth glue, assembly: plate in putting in order is carried out even cloth glue, and spread controls at 160-220g/m
2, without flower glue phenomenon;
(4) first time colds pressing: the slab that assembly is good is entered cold press and colds pressing, time controling is at 20-40 min;
(5) core finishing: repaired by the slab of having colded pressing, cut off overlap, fills up scarce core gap;
(6) second substandard cloth glue, assembly: the slab having repaiied core is combined again by product thickness and structure;
(7) second time is colded pressing: the slab again combined is carried out precompressed, makes its just one-step forming;
(8) first time hot pressing: the slab of first one-step forming is entered press and carries out hot pressing, glue is solidified completely, slab is completely shaping;
(9) fixed thick sanding: slab is carried out surely thick sanding by setting thickness;
(10) cutting edge: blanket is cut into regulatory specifications size by processing request;
(11) scrape greasy: indentation, the crack place putty homochromy with plate face are filled and led up;
(12) polishing: by further for plate face light weight sand, the putty that sand remains except plate face and thicker burr, guarantee the bright and clean of plate face;
(13) sorting: the substrate after polishing is graded, qualified warehouse-in, underproof doing over again is repaired or is directly divided into substandard products;
(14) health: qualified substrate is put into health preserving room, makes moisture content even;
(15) cloth glue, veneer: the substrate after health sticks decorative layer and balance layer, decorative layer thickness 0.6-4.0mm, balance layer thickness 0.3-1.2mm, one side coating weight 120-200g/m
2, according to the line of base material, musculus cutaneus is pasted onto on base material one by one;
(16) third time colds pressing: the slab posting decorative layer and balance layer is entered cold press and carries out precompressed, pressure 0.8-1.2MPa, time 20-60 min, guarantees base material, balance layer, decorative layer energy just one-step forming;
(17) second time hot pressing: the slab of first one-step forming is carried out hot pressing, makes glue curing;
(18) multiple blade saw: cut by line by the slab posting face base plate, obtains required ground laminin plate;
(19) sanding: plain plate is carried out sanding;
(20) two-ends milling machine: the plain plate good to sanding carries out groove milling on request;
(21) priming: the plain plate of complete for milling groove is carried out priming paint and covers or decorate with paint, one side coating weight 30-40 g/m
2, and with UV lamp, irradiation solidification is carried out to it, thus make wear-resistant primer face;
(22) finish paint is adjusted: by nanoscale TiO
2photocatalyst material, Nano Silver, UV scratch-resistant finish paint and Formaldehyde decomposition active ingredient in mass ratio 1-2:0.2-0.4:15-20:0.5-0.8 mix; Dispersed, make and there is antibacterial and scratch-resistant UV finish paint that is Formaldehyde decomposition function;
Described Formaldehyde decomposition active ingredient comprises chitin, nanometer silicon chip and tourmaline powder; Described tourmaline powder accounts for the 0-5wt% of described Formaldehyde decomposition active ingredient quality;
(23) upper finish paint: finish paint process is carried out to the plain plate having gone up priming paint, one side coating weight 10-14g/m
2, and with UV lamp, irradiation solidification is carried out to it, thus make antibacterial lacquer painting; Photocatalyst in environmental protection floor needed for final acquisition.
9. the production technology on a kind of photocatalyst in environmental protection floor according to claim 8, is characterized in that: described step b adds crown ether and containing before alkali-metal second reducing agent, described mixed liquor is heated to 45-55 DEG C in described mixed liquor.
10. the production technology on a kind of photocatalyst in environmental protection floor according to claim 9, is characterized in that: described step b adds crown ether and is heated to 70-85 DEG C, Keep agitation 5-8min containing after alkali-metal second reducing agent in described mixed liquor.
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| CN201510414446.3A CN104963478A (en) | 2015-07-15 | 2015-07-15 | Photocatalyst environment-friendly floor and production process thereof |
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| CN105345909A (en) * | 2015-10-22 | 2016-02-24 | 德华兔宝宝装饰新材股份有限公司 | Method for manufacturing environment-friendly antibacterial recombined aesthetic pattern decorative sheet |
| CN108145807A (en) * | 2017-12-18 | 2018-06-12 | 重庆仁实商贸有限公司 | Preparation method of sandwich plate |
| CN108530007A (en) * | 2018-06-15 | 2018-09-14 | 德华兔宝宝装饰新材股份有限公司 | A kind of indoor formaldehyde decomposes Thistle board and preparation method thereof |
| CN109940935A (en) * | 2019-03-26 | 2019-06-28 | 江苏蓝圈新材料股份有限公司 | A kind of novel photocatalysis magnesium oxysulfide sanding floor |
| CN110539542A (en) * | 2019-08-12 | 2019-12-06 | 朱玉南 | Moisture-proof and mildew-proof composite flame-retardant plate and preparation method thereof |
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| CN110539542A (en) * | 2019-08-12 | 2019-12-06 | 朱玉南 | Moisture-proof and mildew-proof composite flame-retardant plate and preparation method thereof |
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