CN105729597A - Color smoking treatment technology for wood modification face layer - Google Patents

Abstract

The invention discloses a color smoking treatment technology for a wood modification face layer. The color smoking treatment technology comprises the specific steps that firstly, to-be-treated wood is stacked and is blown through hot air; secondly, a layer of alcohol is brushed on the surface of the wood, cleaning is conducted through a sodium carbonate solution, then thorough scrubbing is conducted through water, and the wood modification face layer is obtained; thirdly, the overall wood is immersed in a phosphoric acid solution and taken out to be aired dry; fourthly, the wood is subjected to smoking, and the wood is subjected to further baking smoking through fuel materials; fifthly, the wood is placed in a heat treatment box to be tidily placed, rapid temperature rising is conducted, vacuum pumping is carried out, then slow temperature rising is conducted, and drying is conducted till absolute dry is achieved; sixthly, the surface of the wood subjected to heat treatment is wiped thoroughly through water; seventhly, the surface of the modification face layer is coated with a wood modification agent; and eighthly, the surface of the wood modification agent is coated with a layer of protective paint again. According to the color smoking treatment technology, physical treatment and oil paint treatment are combined, the permanency of the wood color is guaranteed, the wood waterproofness is guaranteed as well, and the wood is free of toxicity, environment-friendly, safe and sanitary.

Description

The color and luster sootiness of a kind of timber amendment surface layer processes technique

Technical field

The present invention relates to a kind of sootiness and process technique, the color and luster sootiness being specifically related to a kind of timber amendment surface layer processes technique, belongs to timber treatment technology field.

Background technology

Along with improving constantly of living standard, people seek naturally " green " living environment more and more urgently；Therefore, timber, as a kind of natural material, is widely used in building, finishing and upholstery more, and solid wooden floor board, because of factors such as its sense of touch is excellent, environment protection healths, is widely applied to fitting-up, as the preferred material of flooring.

But, with regard to global resources, big footpath level high-quality timber, the shortage of resources of natural precious material, the good material quantity that surface aesthetic is beautiful is fewer and feweri, the substitute is a large amount of scondary forest and artificial forest wood, the color and luster of wherein most timber is uniform not, pure, wood color is deeper, in addition timber is in storage, the variable color produced in the course of processing, pollutions etc. use and are restricted, and in the manufacture of existing solid wooden floor board, the aberration of wood raw material there is higher requirement, the various colors of wood raw material are poor, the production on floor will be affected, in order to save wood raw material, protection environment, timber will be processed, explore the former wood color of timber or wood color is uneven processes.

Summary of the invention

The technical problem to be solved is, for the shortcoming that above prior art exists, the color and luster sootiness proposing a kind of timber amendment surface layer processes technique, this process is simple for process, physical treatment is processed with paint property and combines, namely ensure that the permanent water proofing property that in turn ensure that timber of timber color and luster, asepsis environment-protecting, safety and sanitation.

This invention address that the technical scheme of above technical problem is:

The color and luster sootiness of a kind of timber amendment surface layer processes technique, and this process technique includes step in detail below:

(1) pending timber is carried out stacking in sealing space, and advertise with hot blast, control the temperature of hot blast at 60-75 DEG C, advertise 1-3h, control the moisture content of timber at 8-10%；

(2) on the surface of timber with one layer of ethanol of spread pen brushing, light with fire immediately, after the hardening embrittlement of burr of wood surface, carry out polishing, polishing with sand paper, then the sodium carbonate liquor adopting concentration to be 3-4% is carried out, dipping scrub water with sponge afterwards and totally obtain the amendment surface layer of timber, water temperature controls at 35-40 DEG C；

(3) timber entirety is immersed in the phosphoric acid solution that concentration is 1.0%, impregnate 20-30min, then take out and dry；

(4) timber after drying is delivered to the sulfur that ignites in confined space and carry out sootiness, sootiness 40-50min, then dry in the air as natural cooling in air, adopt incendiary material that the smoked timber of sulfur is roasted sootiness further again, sootiness temperature is 75-85 DEG C, sootiness 1-2h so that the moisture content of timber is 5-7%；

(5) timber that sootiness is good entered in heat treatment box and neatly put well, close chamber door, it is brought rapidly up to 100-120 DEG C, being evacuated to 0.05-0.08MPa, be more slowly warmed up to 130-140 DEG C and be dried to over dry, period is filled with nitrogen, the pressure in heat treatment box is made to maintain 2-3MPa, then it is brought rapidly up 160-170 DEG C, is incubated 40-60min, discharging when timber is cooled to about 40-50 DEG C with case；

(6) water of the wood surface after heat treatment 20-30 DEG C carried out wiped clean and dry, then amendment facing surface being polished；

(7) dip Wood modifier with sponge, brush on amendment facing surface after a polish, regulate the consumption of modifying agent and press surging, difference brushing, Wood modifier includes following components according to the mass fraction:

Carbamide: 20-30 part, formaldehyde: 15-20 part, ammonia: 8-15 part, phosphoric acid: 60-70 part, hexamethylenetetramine: 15-20 part, Borax: 7-9 part, sodium chloride: 1-3 part, sodium lauryl sulphate: 4-6 part, acidic silicasol: 5-8 part, modified DMDHEU resin: 20-35 part, water: 10-20 part；

(8) being coated with one layer of protective paint on Wood modifier surface, protective paint includes following components according to the mass fraction:

Modifying epoxy resin by organosilicon: 30-40 part, polyolefin elastomer: 15-20 part, silicon carbide micro-powder: 3-5 part, fire retardant: 8-11 part, plasticizer: 5-8 part, lubricant: 12-14 part, dispersant: 0.5-1.0 part, defoamer: 1-3 part, silane coupler: 2-5 part, compound rare-earth: 1-3 part；

Fire retardant is magnesium hydroxide；Plasticizer is poly-Azelaic Acid acid anhydride or polyurethane；Stabilizer is CH₄O₂Calcium zinc stabilizer；Dispersant is sodium tetrapolyphosphate or sodium hexameta phosphate；Defoamer is the one in dimethicone, organosilicon, polyvinyl acetate；

Compound rare-earth includes following components by mass percentage: La:15-20%, Y:8-11%, Pr:10-15%, Sm:8-10%, Sc:15-18%, and all the other are lanthanide series, and above each component sum is 100%.

The technical scheme that the present invention limits further as:

The color and luster sootiness of aforementioned timber amendment surface layer processes in technique, carrying out the incendiary material of employing during sootiness in step (4) is by mass percentage: the mixture of the wood flour of 70-90% and the sugar juice of 10-30%, and this mixture mix homogeneously fully absorbs sugar juice to wood flour.

The color and luster sootiness of aforementioned timber amendment surface layer processes in technique, and sugar juice is mass concentration is 10-20%.

The color and luster sootiness of aforementioned timber amendment surface layer processes in technique, the preparation method of the Wood modifier in step (7) particularly as follows:

Formaldehyde, carbamide, water and hexamethylenetetramine is added in equipped with the glass reaction still of stirring rod, water-bath, thermometer and feeding device, it is subsequently adding sodium chloride, open agitating device, and to its heating, after reagent is completely dissolved, carry out reflux condensation mode 1-3h, after reaction terminates, regulate the pH value of prepolymer solution to neutral with phosphoric acid and ammonia；

Modified DMDHEU resin and acidic silicasol being added in reactor, add Borax, sodium lauryl sulphate, convention stir processes 10-15min, is then placed in supersound process 10-20min, and reaction end obtains Wood modifier.

The color and luster sootiness of aforementioned timber amendment surface layer processes in technique, in step (8) protective paint preparation method particularly as follows:

Modifying epoxy resin by organosilicon, polyolefin elastomer are delivered in high-speed mixer and stirred; mixing speed is 400-600r/min; stirring 10-20min; it is subsequently adding fire retardant, plasticizer, lubricant, dispersant, defoamer, silane coupler continuation stirring 15-30min; mixing speed regulates to 200-300r/min; being eventually adding compound rare-earth, stir 10-15min, mixing speed is that 100-150r/min discharging can obtain protective paint.

The invention has the beneficial effects as follows:

The present invention adopts hot blast advertise and material is carried out predrying, contribute to the dry of material, remove the moisture content of material, be conducive to follow-up sootiness process that material is carried out, shorten heat time heating time, improve efficiency；The present invention is directed to the requirement of product colour, under not changing the premise of wood characteristics of material feedstock, the color and luster changing timber is consistent to reach.

When in the prior art timber being revised the process of complexion pool, paint processing method is volatile, and wood surface is once be destroyed, and waterproof effect will decline；Adopt the physical property processing method of high-temperature heat treatment, owing to the thermally treated carbonization of timber is modified, some chemical property and physical property there occurs permanent change, by regulating heat treatment carbonization temperature and time, just can obtain the timber without color, it is ensured that the color and luster that joint product needs, but this physical treatment method, the color and luster that can only change timber does not ensure that color and luster continues, and timber is easily affected the color and luster after physical treatment by environmental effects such as humidities；The present invention adopts both combinations, is first heated physical treatment to timber, then paint in the surface-coated of timber, namely ensure that the permanent water proofing property that in turn ensure that timber of timber color and luster, asepsis environment-protecting, safety and sanitation.

The present invention utilizes Wood Property Improvement that timber carries out increment utilization and processes, the heat treatment technics of timber mainly utilizes timber this principle of at high temperature decomposing that timber is modified, have and improve wood dimensional stability and improve the effect of timber color and luster, but the timber after high temperature long heat treatment, mechanical strength has bigger change, limit the range of application of heat-treated wood, the present invention adopt medicament carry out impregnating then heat treatment in addition, dimmed effect is accelerated owing to the heat treatment surface color of timber is had by medicament, the present invention can be issued to the timber color and luster effect of high-temperature process in the condition of K cryogenic treatment, shorten the response time, the texture processing material becomes apparent from, to the better visual experience of people.

Timber is first carried out the process on surface by the present invention when timber carrying out color and luster and processing, and the wood surface after process is more smooth, and color and luster is more uniform.

The present invention incendiary material when carrying out sootiness is not used alone wood flour, but adopt the wood flour having fully absorbed sugar juice as fuel, the maximum temperature that is slow and that can reach that heats up when being used alone wood flour is low, add sugar juice, extending the shelf-life after sootiness, not fugitive color, color and luster is more stable, and the addition safety non-toxic of sugar juice, it does not have negative effect.

Wood modifier in the present invention is composite, inorganic and organic combination, and modifying agent prepared by general Organic substance can improve most of mechanical property of timber, but its relatively low heat stability, higher manufacturing cost limit its market application；And the modifying agent of inorganic matter is applied to field that durability is had higher requirements more, but it is often not notable in the improvement of low quality wood mechanical property, limit the extensive use of improved wood, the present invention is by organic and inorganic compounding, it is that Wood modifier has organic and inorganic advantage concurrently, than individually has more advantage with organic or inorganic material-modified timber.

The Wood modifier of the present invention and processing method, it is possible to timber carries out color and luster process fast and effectively, improve the utilization rate of wood raw material, reduces cost, improves the quality of timber finished product, keeps the excellent visual effect of timber color and luster.

The present invention is by adding silicon carbide micro-powder and fluorographite, carborundum differential is a kind of ceramic material, tool has good wearability, excellent heat stability, fluorographite has the greasy property of excellence, silicon carbide micro-powder and fluorographite are evenly dispersed in coating so that this coating has good abrasion resistant effect.

Detailed description of the invention

Embodiment 1

The present embodiment provides the color and luster sootiness of a kind of timber amendment surface layer to process technique, and this process technique includes step in detail below:

(1) pending timber is carried out stacking in sealing space, and advertise with hot blast, control the temperature of hot blast at 60 DEG C, advertise 2h, control the moisture content of timber 8%；

(2) on the surface of timber with one layer of ethanol of spread pen brushing, light with fire immediately, after the hardening embrittlement of burr of wood surface, carry out polishing, polishing with sand paper, then the sodium carbonate liquor adopting concentration to be 3% is carried out, dipping scrub water with sponge afterwards and totally obtain the amendment surface layer of timber, water temperature controls at 40 DEG C；

(3) timber entirety is immersed in the phosphoric acid solution that concentration is 1.0%, impregnate 20min, then take out and dry；

(4) timber after drying is delivered to the sulfur that ignites in confined space and carry out sootiness, sootiness 50min, then dry in the air as natural cooling in air, adopt incendiary material that the smoked timber of sulfur is roasted sootiness further again, sootiness temperature is 75 DEG C, sootiness 1h so that the moisture content of timber is 6%；

The incendiary material adopted is by mass percentage: the mixture of the wood flour of 70% and the sugar juice of 30%, and this mixture mix homogeneously to wood flour fully absorbs sugar juice, and sugar juice is mass concentration is 10%；

(5) timber that sootiness is good entered in heat treatment box and neatly put well, close chamber door, it is brought rapidly up to 100 DEG C, being evacuated to 0.08MPa, be more slowly warmed up to 130 DEG C and be dried to over dry, period is filled with nitrogen, the pressure in heat treatment box is made to maintain 2MPa, then it is brought rapidly up 170 DEG C, is incubated 50min, discharging when timber is cooled to about 40 DEG C with case；

(6) wood surface after heat treatment carried out wiped clean with the water of 20 DEG C and dries, then amendment facing surface being polished；

(7) Wood modifier is dipped with sponge, brush on amendment facing surface after a polish, it is coated in color higher depth or part to be modified on amendment facing surface, those are light-colored or can not brush without modified position or brush Wood modifier on a small quantity, color and luster according to product needs to brush Wood modifier, and regulates the consumption of modifying agent and by surging, difference brushing, to reach color even, Wood modifier includes following components according to the mass fraction:

Carbamide: 20 parts, formaldehyde: 15 parts, ammonia: 8 parts, phosphoric acid: 65 parts, hexamethylenetetramine: 20 parts, Borax: 9 parts, sodium chloride: 2 parts, sodium lauryl sulphate: 4 parts, acidic silicasol: 8 parts, modified DMDHEU resin: 20 parts, water: 15 parts；

The preparation method of Wood modifier particularly as follows:

Formaldehyde, carbamide, water and hexamethylenetetramine is added in equipped with the glass reaction still of stirring rod, water-bath, thermometer and feeding device, it is subsequently adding sodium chloride, open agitating device, and to its heating, after reagent is completely dissolved, carry out reflux condensation mode 1h, after reaction terminates, regulate the pH value of prepolymer solution to neutral with phosphoric acid and ammonia；

By modified 12min, being then placed in supersound process 10min, reaction end obtains Wood modifier；

(8) being coated with one layer of protective paint on Wood modifier surface, protective paint includes following components according to the mass fraction:

Modifying epoxy resin by organosilicon: 35 parts, polyolefin elastomer: 15 parts, silicon carbide micro-powder: 4 parts, fire retardant: 8 parts, plasticizer: 5 parts, lubricant: 12 parts, dispersant: 1.0 parts, defoamer: 2 parts, silane coupler: 5 parts, compound rare-earth: 3 parts；

Fire retardant is magnesium hydroxide；Plasticizer is poly-Azelaic Acid acid anhydride；Stabilizer is CH₄O₂Calcium zinc stabilizer；Dispersant is sodium hexameta phosphate；Defoamer is organosilicon；

Compound rare-earth includes following components by mass percentage: La:20%, Y:8%, Pr:12%, Sm:9%, Sc:18%, and all the other are lanthanide series, and above each component sum is 100%；

The preparation method of protective paint particularly as follows:

Modifying epoxy resin by organosilicon, polyolefin elastomer are delivered in high-speed mixer and stirred; mixing speed 400r/min; stirring 15min; it is subsequently adding fire retardant, plasticizer, lubricant, dispersant, defoamer, silane coupler continuation stirring 30in; mixing speed regulates to 250r/min; being eventually adding compound rare-earth, stir 10min, mixing speed is that 150r/min discharging can obtain protective paint.

Embodiment 2

The present embodiment provides the color and luster sootiness of a kind of timber amendment surface layer to process technique, and this process technique includes step in detail below:

(1) pending timber is carried out stacking in sealing space, and advertise with hot blast, control the temperature of hot blast at 75 DEG C, advertise 1h, control the moisture content of timber 10%；

(2) on the surface of timber with one layer of ethanol of spread pen brushing, light with fire immediately, after the hardening embrittlement of burr of wood surface, carry out polishing, polishing with sand paper, then the sodium carbonate liquor adopting concentration to be 4% is carried out, dipping scrub water with sponge afterwards and totally obtain the amendment surface layer of timber, water temperature controls at 35 DEG C；

(3) timber entirety is immersed in the phosphoric acid solution that concentration is 1.0%, impregnate 30min, then take out and dry；

(4) timber after drying is delivered to the sulfur that ignites in confined space and carry out sootiness, sootiness 40min, then dry in the air as natural cooling in air, adopt incendiary material that the smoked timber of sulfur is roasted sootiness further again, sootiness temperature is 85 DEG C, sootiness 2h so that the moisture content of timber is 5%；

The incendiary material adopted is by mass percentage: the mixture of the wood flour of 90% and the sugar juice of 10%, and this mixture mix homogeneously fully absorbs sugar juice to wood flour；Sugar juice is mass concentration is 15%；

(5) timber that sootiness is good entered in heat treatment box and neatly put well, close chamber door, it is brought rapidly up to 120 DEG C, being evacuated to 0.05MPa, be more slowly warmed up to 140 DEG C and be dried to over dry, period is filled with nitrogen, the pressure in heat treatment box is made to maintain 3MPa, then it is brought rapidly up 160 DEG C, is incubated 40min, discharging when timber is cooled to about 50 DEG C with case；

(6) wood surface after heat treatment carried out wiped clean with the water of 30 DEG C and dries, then amendment facing surface being polished；

(7) Wood modifier is dipped with sponge, brush on amendment facing surface after a polish, it is coated in color higher depth or part to be modified on amendment facing surface, those are light-colored or can not brush without modified position or brush Wood modifier on a small quantity, color and luster according to product needs to brush Wood modifier, and regulates the consumption of modifying agent and by surging, difference brushing, to reach color even, Wood modifier includes following components according to the mass fraction:

Carbamide: 25 parts, formaldehyde: 20 parts, ammonia: 15 parts, phosphoric acid: 70 parts, hexamethylenetetramine: 15 parts, Borax: 7 parts, sodium chloride: 1 part, sodium lauryl sulphate: 5 parts, acidic silicasol: 7 parts, modified DMDHEU resin: 35 parts, water: 10 parts；

The preparation method of Wood modifier particularly as follows:

Formaldehyde, carbamide, water and hexamethylenetetramine is added in equipped with the glass reaction still of stirring rod, water-bath, thermometer and feeding device, it is subsequently adding sodium chloride, open agitating device, and to its heating, after reagent is completely dissolved, carry out reflux condensation mode 3h, after reaction terminates, regulate the pH value of prepolymer solution to neutral with phosphoric acid and ammonia；

Modified DMDHEU resin and acidic silicasol being added in reactor, add Borax, sodium lauryl sulphate, convention stir processes 10min, is then placed in supersound process 20min, and reaction end obtains Wood modifier；

(8) being coated with one layer of protective paint on Wood modifier surface, protective paint includes following components according to the mass fraction:

Modifying epoxy resin by organosilicon: 30 parts, polyolefin elastomer: 20 parts, silicon carbide micro-powder: 3 parts, fire retardant: 11 parts, plasticizer: 8 parts, lubricant: 14 parts, dispersant: 0.5 part, defoamer: 1 part, silane coupler: 2 parts, compound rare-earth: 1 part；

Fire retardant is magnesium hydroxide；Plasticizer is polyurethane；Stabilizer is CH₄O₂Calcium zinc stabilizer；Dispersant is sodium hexameta phosphate；Defoamer is polyvinyl acetate；

Compound rare-earth includes following components by mass percentage: La:15%, Y:11%, Pr:10%, Sm:8%, Sc:15%, and all the other are lanthanide series, and above each component sum is 100%；

The preparation method of protective paint particularly as follows:

Modifying epoxy resin by organosilicon, polyolefin elastomer are delivered in high-speed mixer and stirred; mixing speed 600r/min; stirring 10min; it is subsequently adding fire retardant, plasticizer, lubricant, dispersant, defoamer, silane coupler continuation stirring 15min; mixing speed regulates to 200r/min; being eventually adding compound rare-earth, stir 15min, mixing speed is that 100r/min discharging can obtain protective paint.

Embodiment 3

The present embodiment provides the color and luster sootiness of a kind of timber amendment surface layer to process technique, and this process technique includes step in detail below:

(1) pending timber is carried out stacking in sealing space, and advertise with hot blast, control the temperature of hot blast at 68 DEG C, advertise 3h, control the moisture content of timber 9%；

(2) on the surface of timber with one layer of ethanol of spread pen brushing, light with fire immediately, after the hardening embrittlement of burr of wood surface, carry out polishing, polishing with sand paper, then the sodium carbonate liquor adopting concentration to be 3% is carried out, dipping scrub water with sponge afterwards and totally obtain the amendment surface layer of timber, water temperature controls at 38 DEG C；

(3) timber entirety is immersed in the phosphoric acid solution that concentration is 1.0%, impregnate 25min, then take out and dry；

(4) timber after drying is delivered to the sulfur that ignites in confined space and carry out sootiness, sootiness 45min, then dry in the air as natural cooling in air, adopt incendiary material that the smoked timber of sulfur is roasted sootiness further again, sootiness temperature is 78 DEG C, sootiness 1h so that the moisture content of timber is 7%；

The incendiary material adopted is by mass percentage: the mixture of the wood flour of 80% and the sugar juice of 20%, and this mixture mix homogeneously to wood flour fully absorbs sugar juice, and sugar juice is mass concentration is 20%.

(5) timber that sootiness is good entered in heat treatment box and neatly put well, close chamber door, it is brought rapidly up to 110 DEG C, being evacuated to 0.06MPa, be more slowly warmed up to 135 DEG C and be dried to over dry, period is filled with nitrogen, the pressure in heat treatment box is made to maintain 3MPa, then it is brought rapidly up 165 DEG C, is incubated 60min, discharging when timber is cooled to about 45 DEG C with case；

(6) wood surface after heat treatment carried out wiped clean with the water of 25 DEG C and dries, then amendment facing surface being polished；

(7) Wood modifier is dipped with sponge, brush on amendment facing surface after a polish, it is coated in color higher depth or part to be modified on amendment facing surface, those are light-colored or can not brush without modified position or brush Wood modifier on a small quantity, color and luster according to product needs to brush Wood modifier, and regulates the consumption of modifying agent and by surging, difference brushing, to reach color even, Wood modifier includes following components according to the mass fraction:

Carbamide: 30 parts, formaldehyde: 18 parts, ammonia: 12 parts, phosphoric acid: 60 parts, hexamethylenetetramine: 18 parts, Borax: 8 parts, sodium chloride: 3 parts, sodium lauryl sulphate: 6 parts, acidic silicasol: 5 parts, modified DMDHEU resin: 28 parts, water: 20 parts；

The preparation method of Wood modifier particularly as follows:

Formaldehyde, carbamide, water and hexamethylenetetramine is added in equipped with the glass reaction still of stirring rod, water-bath, thermometer and feeding device, it is subsequently adding sodium chloride, open agitating device, and to its heating, after reagent is completely dissolved, carry out reflux condensation mode 2h, after reaction terminates, regulate the pH value of prepolymer solution to neutral with phosphoric acid and ammonia；

Modified DMDHEU resin and acidic silicasol being added in reactor, add Borax, sodium lauryl sulphate, convention stir processes 15min, is then placed in supersound process 15min, and reaction end obtains Wood modifier；

(8) being coated with one layer of protective paint on Wood modifier surface, protective paint includes following components according to the mass fraction:

Modifying epoxy resin by organosilicon: 40 parts, polyolefin elastomer: 18 parts, silicon carbide micro-powder: 5 parts, fire retardant: 9 parts, plasticizer: 6 parts, lubricant: 13 parts, dispersant: 0.8 part, defoamer: 3 parts, silane coupler: 3 parts, compound rare-earth: 2 parts；

Fire retardant is magnesium hydroxide；Plasticizer is polyurethane；Stabilizer is CH₄O₂Calcium zinc stabilizer；Dispersant is sodium tetrapolyphosphate；Defoamer is dimethicone；

Compound rare-earth includes following components by mass percentage: La:18%, Y:10%, Pr:15%, Sm:10%, Sc:17%, and all the other are lanthanide series, and above each component sum is 100%；

The preparation method of protective paint particularly as follows:

Modifying epoxy resin by organosilicon, polyolefin elastomer are delivered in high-speed mixer and stirred; mixing speed 500r/min; stirring 20min; it is subsequently adding fire retardant, plasticizer, lubricant, dispersant, defoamer, silane coupler continuation stirring 20min; mixing speed regulates to 300r/min; being eventually adding compound rare-earth, stir 12min, mixing speed is that 120r/min discharging can obtain protective paint.

In addition to the implementation, the present invention can also have other embodiments.All employings are equal to replacement or the technical scheme of equivalent transformation formation, all fall within the protection domain of application claims.

Claims (5)

1. the color and luster sootiness of a timber amendment surface layer processes technique, it is characterised in that this process technique includes step in detail below:

(1) pending timber is carried out stacking in sealing space, and advertise with hot blast, control the temperature of hot blast at 60-75 DEG C, advertise 1-3h, control the moisture content of timber at 8-10%；

(2) on the surface of timber with one layer of ethanol of spread pen brushing, light with fire immediately, after the hardening embrittlement of burr of wood surface, carry out polishing, polishing with sand paper, then the sodium carbonate liquor adopting concentration to be 3-4% is carried out, dipping scrub water with sponge afterwards and totally obtain the amendment surface layer of timber, water temperature controls at 35-40 DEG C；

(3) timber entirety is immersed in the phosphoric acid solution that concentration is 1.0%, impregnate 20-30min, then take out and dry；

(4) timber after drying is delivered to the sulfur that ignites in confined space and carry out sootiness, sootiness 40-50min, then dry in the air as natural cooling in air, adopt incendiary material that the smoked timber of sulfur is roasted sootiness further again, sootiness temperature is 75-85 DEG C, sootiness 1-2h so that the moisture content of timber is 5-7%；

(5) timber that sootiness is good entered in heat treatment box and neatly put well, close chamber door, it is brought rapidly up to 100-120 DEG C, being evacuated to 0.05-0.08MPa, be more slowly warmed up to 130-140 DEG C and be dried to over dry, period is filled with nitrogen, the pressure in heat treatment box is made to maintain 2-3MPa, then it is brought rapidly up 160-170 DEG C, is incubated 40-60min, discharging when timber is cooled to about 40-50 DEG C with case；

(6) water of the wood surface after heat treatment 20-30 DEG C carried out wiped clean and dry, then amendment facing surface being polished；

(7) dip Wood modifier with sponge, brush on amendment facing surface after a polish, regulate the consumption of modifying agent and press surging, difference brushing, described Wood modifier includes following components according to the mass fraction:

Carbamide: 20-30 part, formaldehyde: 15-20 part, ammonia: 8-15 part, phosphoric acid: 60-70 part, hexamethylenetetramine: 15-20 part, Borax: 7-9 part, sodium chloride: 1-3 part, sodium lauryl sulphate: 4-6 part, acidic silicasol: 5-8 part, modified DMDHEU resin: 20-35 part, water: 10-20 part；

(8) being coated with one layer of protective paint on Wood modifier surface, described protective paint includes following components according to the mass fraction:

Modifying epoxy resin by organosilicon: 30-40 part, polyolefin elastomer: 15-20 part, silicon carbide micro-powder: 3-5 part, fire retardant: 8-11 part, plasticizer: 5-8 part, lubricant: 12-14 part, dispersant: 0.5-1.0 part, defoamer: 1-3 part, silane coupler: 2-5 part, compound rare-earth: 1-3 part；

Described fire retardant is magnesium hydroxide；Described plasticizer is poly-Azelaic Acid acid anhydride or polyurethane；Described stabilizer is CH₄O₂Calcium zinc stabilizer；Described dispersant is sodium tetrapolyphosphate or sodium hexameta phosphate；Described defoamer is the one in dimethicone, organosilicon, polyvinyl acetate；

Described compound rare-earth includes following components by mass percentage: La:15-20%, Y:8-11%, Pr:10-15%, Sm:8-10%, Sc:15-18%, and all the other are lanthanide series, and above each component sum is 100%.

2. the color and luster sootiness of timber amendment surface layer processes technique according to claim 1, it is characterized in that: carrying out the incendiary material of employing during sootiness in described step (4) is by mass percentage: the mixture of the wood flour of 70-90% and the sugar juice of 10-30%, and this mixture mix homogeneously fully absorbs sugar juice to wood flour.

3. the color and luster sootiness of timber amendment surface layer processes technique according to claim 2, it is characterised in that: described sugar juice is mass concentration is 10-20%.

4. the color and luster sootiness of timber amendment surface layer processes technique according to claim 1, it is characterised in that: the preparation method of the Wood modifier in described step (7) particularly as follows:

Formaldehyde, carbamide, water and hexamethylenetetramine is added in equipped with the glass reaction still of stirring rod, water-bath, thermometer and feeding device, it is subsequently adding sodium chloride, open agitating device, and to its heating, after reagent is completely dissolved, carry out reflux condensation mode 1-3h, after reaction terminates, regulate the pH value of prepolymer solution to neutral with phosphoric acid and ammonia；

Modified DMDHEU resin and acidic silicasol being added in reactor, add Borax, sodium lauryl sulphate, convention stir processes 10-15min, is then placed in supersound process 10-20min, and reaction end obtains Wood modifier.

5. according to claim 1 timber amendment surface layer color and luster sootiness process technique, it is characterised in that: in described step (8) protective paint preparation method particularly as follows:

Modifying epoxy resin by organosilicon, polyolefin elastomer are delivered in high-speed mixer and stirred; mixing speed is 400-600r/min; stirring 10-20min; it is subsequently adding fire retardant, plasticizer, lubricant, dispersant, defoamer, silane coupler continuation stirring 15-30min; mixing speed regulates to 200-300r/min; being eventually adding compound rare-earth, stir 10-15min, mixing speed is that 100-150r/min discharging can obtain protective paint.