CN102259365B - Method for producing environment-friendly imitation solid wood color bamboo floor - Google Patents

Abstract

A kind of production method of environment-friendly type imitation solid wood color bamboo floor, comprises the following steps: 1. establish bamboo imitation solid wood dyeing color matching database: choose the three primary colors of acid dyestuff, acid yellow, acid red, acid blue carry out color matching, dyeing, color measurement, list The dyeing conditions adopted by the three primary color acid dyes, as well as the imitation solid wood bamboo dyeing color sample information, establish the color matching database of bamboo imitation solid wood dyeing; 2. Bamboo cycle dyeing, 2.1) formula selection; 2.2) establish the calculation method of the concentration of the three primary colors color matching dye solution; 2.3) 2.4) dyeing for the first time; 2.5) measuring the absorbance of the dye in the raffinate; 2.6) adding dyes and dyeing auxiliaries; 2.7) repeating steps 4) to 6) for cyclic dyeing; ③ producing imitation solid wood colored bamboo Floor: through dipping and drying, billet formation and gluing in sequence to make imitation solid wood colored bamboo flooring. The invention can improve the dyeing effect, has high imitation degree, less dye consumption and good environmental protection.

Description

A kind of imitation solid wood color bamboo floor production method

technical field

The invention belongs to bamboo material processing and manufacturing technology, and relates to a production method of imitation solid wood colored bamboo floor.

Background technique

Bamboo flooring has the advantages of high strength, good toughness, wear resistance, elegant and soft color, beautiful and exquisite appearance, etc. It is very popular with foreign businessmen, and its products are sold at home and abroad. At present, my country has become the largest exporter of bamboo flooring. But all the time bamboo flooring only has two series products of natural color and carbonization, and the product color is single, and added value is low, and the economic benefit of production enterprise is poor, urgently needs to develop a kind of high value-added colored bamboo flooring. However, there are two technical problems to be solved urgently in bamboo dyeing: one is due to the dense structure of bamboo, poor wettability, poor color fastness and uniformity, and low degree of simulation; the other is that the number of times the dyeing solution is reused in the dyeing process is small ( 5-6 times), the discharge of waste liquid (containing 70% to 80% of dyes) causes serious environmental pollution. Therefore in today that environmental protection awareness is increasingly rooted in the hearts of the people, it has become a top priority to develop a kind of energy-saving and emission-reducing environmental-friendly imitation solid wood color bamboo floor production method. Invention patent CN101579880A discloses a kind of production process of dyed bamboo silk board, invention patent CN101579871A discloses a kind of color thin bamboo production process, invention patent CN101439530A discloses a kind of dyeing liquid and its dyeing solution which can dye wood and bamboo transparently Method, above 3 patents all are to adopt conventional dyeing method. Invention patent CN101574825A discloses a kind of processing method of colored bamboo glulam, and the dyeing method is pressure dyeing. Invention patent CN1740772A discloses a color matching method for wood veneer dyeing, and the dyes selected for color matching are not the three primary colors. Above-mentioned technology does not consider from the angle of setting up bamboo imitation solid wood dyeing and color matching database and circular dyeing energy saving and emission reduction. The technical defects in the existing production process of imitation solid wood colored bamboo flooring are: poor dyeing effect, low simulation degree, large dye consumption and serious pollution.

Contents of the invention

In order to overcome the shortcomings of poor dyeing effect, low simulation degree, large dye consumption and serious pollution existing in the existing imitation solid wood colored bamboo flooring production process, the present invention provides a kind of improved dyeing effect, high simulation degree, less dye consumption, and environmental protection. Good imitation solid wood color bamboo floor production method.

The technical solution adopted by the present invention to solve its technical problems is:

A kind of imitation solid wood color bamboo floor production method, described production method comprises the following steps:

①Establish a database of color matching for imitation solid wood dyeing of bamboo: select the three primary colors of acid dyes, acid yellow, acid red, and acid blue for color matching, dyeing, and color measurement, list the three primary color acid dyes and the dyeing conditions used, and imitate solid wood bamboo dyeing color samples information , establish a database of color matching for bamboo imitation solid wood dyeing;

② Circular dyeing of bamboo, specifically including the following processes:

2.1) Formula selection: According to the color matching database, select the formula for imitating solid wood dyeing of bamboo.

2.2) Establish the calculation method of the concentration of the three primary colors color matching dye solution: prepare the standard solutions of three kinds of acid dyes, and determine the peak value and wavelength of the three dyes, then determine the dye proportional constant, and finally establish the calculation formula of the concentration of the three primary colors color matching dye solution: C _Y =1.85A ₃₆₉ -0.422A ₅₀₆ -0.498A ₆₀₀ , C _R =-0.160A ₃₆₉ +1.78A ₅₀₆ -0.340A ₆₀₀ , C _B =-0.0266A ₃₆₉ -0.229A ₅₀₆ +2.42A ₆₀₀ ;

Among them, C _Y is the dye solution concentration of acid yellow, C _R is the dye solution concentration of acid red, C _B is the dye solution concentration of acid blue, A ₃₆₉ is the absorbance value at the maximum absorption wavelength of acid yellow, A ₅₀₆ is acid red The absorbance value at the maximum absorption wavelength, A ₆₀₀ is the absorbance value at the maximum absorption wavelength of acid blue;

2.3) Preparation of dye solution: According to the formula and dyeing conditions, weigh three kinds of acid dyes, dissolve them in water at 80-100°C for 30min-100min, pour the dissolved dye solution into the dye tank, add water according to the bath ratio To the set volume, add dyeing auxiliaries, adjust the pH value to 4.5-6.0, and finally measure 1-20ml dyeing solution to measure the absorbance value at the three maximum wavelengths;

2.4) First dyeing: Put the rolled bamboo slices into the prepared dye solution, take them out after dyeing at 75°C-100°C for 3-23 hours, then wash the dyed bamboo slices with water, and dry them until the moisture content is 5 %~15%, measure its color with a spectrophotometer;

2.5) Determination of the absorbance value of the dye in the residual liquid: after taking out the dyed bamboo slices, add water to the dyeing tank to replenish the volume before dyeing, and then measure 1-20ml of the dyed residual liquid. When the temperature reaches room temperature, the third The absorbance value at the maximum wavelength;

2.6) Adding dyes and auxiliaries: According to the concentration calculation formula, the concentration of the dyeing solution after dyeing is obtained from the light absorption value, and the amount of dye that needs to be added is obtained according to the concentration difference before and after the dyeing solution, and dyeing auxiliaries are added. agent, to ensure that the added dye solution is equivalent to the first dye solution;

2.7) repeat steps 4) to 6) to carry out cycle dyeing;

③ Manufacture of imitation solid wood colored bamboo floor: through dipping and drying, forming blanks and gluing in sequence to make imitation solid wood colored bamboo floor.

The dyeing auxiliaries in the present invention are one or a combination of leveling agent and penetrating agent, wherein the leveling agent is NaCl, alkylphenol polyoxyethylene ether, polyethylene glycol or dodecylbenzenesulfonate Acid, etc., the penetrating agent is JFC, Pingping plus O or (C12H25-O-C2HO)n series, etc.

Further, in the step 1., the process of setting up the bamboo imitation solid wood dyeing and color matching database is as follows:

1.1) Material preparation: select the three primary colors of acid dyes, acid yellow, acid red, and acid blue;

1.2) Color matching: according to the change of the composition ratio of the three acid dyes, a three-color map of the three primary colors of the dyes is established;

1.3) Dyeing: According to the three-color map and the preset concentration of grades, the rolled bamboo chips are dyed sequentially, then washed with water, and dried to a moisture content of 5% to 15%; The maximum dyeing saturation concentration of each color sample formula is divided into 12 levels, which are 0.01%, 0.05%, 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9% ,1%;

1.4) Color measurement: measure one by one with a spectrophotometer to the dyed bamboo chips, each kind of dyed bamboo chips is measured many times, and the average value is used as its color value;

1.5) Establish a color matching database: use the database building method to list in detail the three primary color acid dyes and the dyeing conditions used, as well as the color sample information of imitation solid wood bamboo dyeing, and establish a special color matching database for bamboo imitation solid wood dyeing.

Further, in the step 1.2), determine the maximum possible concentration of each dye that may be used for color matching, ranging from 0.01% to 8%, and then classify each formula from the lowest concentration to the maximum concentration, divided into 6 to 15 gears.

Further, in said step 3., the process of making imitation solid wood colored bamboo floor is as follows:

3.1) Dipping and drying: Dried the dyed bamboo slices until the water content was 5%-15%, then impregnated the modified phenolic resin glue, the solid content of the glue was 15%-32%, the dipping time was 8-15min, and then It is dried to a moisture content of 5% to 15%;

3.2) Blank assembly: vertically assemble the dyed bamboo in the mould;

3.3) Gluing and molding: using cold pressing and heat curing or hot pressing technology, the assembled slabs are glued and formed into bamboo squares or bamboo blanks;

3.4) Subsequent processing: After sawing, trimming, grooving, sanding, painting, and drying processes, it is made into imitation solid wood colored bamboo flooring.

In the step 3.2), a single dyed bamboo material is used to form a blank, or two or more different dyed bamboo materials are used to form a blank.

The beneficial effects of the present invention are mainly manifested in: good dyeing effect, high simulation degree, low dyeing cost (about 40% reduction), energy saving and emission reduction (saving water, electricity, steam and other energy consumption by 30%, and reducing dyeing sewage discharge by more than 30%) and other advantages. Compared with the existing bamboo floor products, the bamboo floor produced by the technology has the advantages of rich product types, beautiful appearance and high added value.

Detailed ways

The present invention will be further described below.

A kind of environmental protection type imitation solid wood color bamboo floor production method, described production method comprises the following steps:

①Establish a color matching database for bamboo imitation solid wood dyeing: select the three primary colors of acid dyes, acid yellow, acid red, and acid blue for color matching, dyeing, and color measurement, and list the manufacturers, production batches, models and dyeing conditions of the three primary color acid dyes , as well as imitation solid wood bamboo dyeing color sample information, to establish a color matching database for bamboo imitation solid wood dyeing;

② Circular dyeing of bamboo, specifically including the following processes:

2.1) Formula selection: According to the color matching database, select the formula for imitating solid wood dyeing of bamboo.

2.2) Establish the calculation method of the concentration of the three primary colors color matching dye solution: prepare the standard solutions of three kinds of acid dyes, and determine the peak value and wavelength of the three dyes, then determine the dye proportional constant, and finally establish the calculation formula of the concentration of the three primary colors color matching dye solution: C _Y =1.85A ₃₆₉ -0.422A ₅₀₆ -0.498A ₆₀₀ , C _R =-0.160A ₃₆₉ +1.78A ₅₀₆ -0.340A ₆₀₀ , C _B =-0.0266A ₃₆₉ -0.229A ₅₀₆ +2.42A ₆₀₀ ;

Among them, C _Y is the dye solution concentration of acid yellow, C _R is the dye solution concentration of acid red, C _B is the dye solution concentration of acid blue, A ₃₆₉ is the absorbance value at the maximum absorption wavelength of acid yellow, A ₅₀₆ is acid red The absorbance value at the maximum absorption wavelength, A ₆₀₀ is the absorbance value at the maximum absorption wavelength of acid blue;

2.3) Preparation of dye solution: According to the formula and dyeing conditions, weigh three kinds of acid dyes, first dissolve in water at 80-100°C for 30min-100min, pour the dissolved dye solution into the dye tank, and then add dyeing auxiliaries , according to the bath ratio, add water to the set volume, and finally measure 1-20ml of the dye solution to measure the absorbance at the three maximum wavelengths;

2.4) First dyeing: Put the rolled bamboo slices into a hanging cage, then immerse them in the prepared dye solution, take them out after dyeing at 75°C-100°C for 3-23 hours, then wash the dyed bamboo slices with water, and dry them When the water content is 5% to 15%, measure its color with a spectrophotometer.

2.5) Determination of the absorbance value of the dye in the residual liquid: after taking out the dyed bamboo slices, add water to the dyeing tank to replenish the volume before dyeing, and then measure 1-20ml of the dyed residual liquid. When the temperature reaches room temperature, the third The absorbance value at the maximum wavelength.

2.6) Adding dyes and auxiliaries: According to the concentration calculation formula, the concentration of the dyeing solution after dyeing is obtained from the light absorption value, and the amount of dye that needs to be added is obtained according to the concentration difference before and after the dyeing solution, and dyeing auxiliaries are added. agent, to ensure that the added dye solution is equivalent to the first dye solution;

2.7) repeat steps 4) to 6) to carry out cycle dyeing;

③ Manufacture of imitation solid wood colored bamboo floor: through dipping and drying, forming blanks and gluing in sequence to make imitation solid wood colored bamboo floor.

In described step 1., the process of setting up bamboo imitation solid wood dyeing and matching database is as follows:

1.1) Material preparation: select the three primary colors of acid dyes, acid yellow, acid red, and acid blue;

1.2) Color matching: according to the change of the composition ratio of the three acid dyes, a three-color map of the three primary colors of the dyes is established;

1.3) Dyeing: According to the three-color map and graded concentration, the rolled bamboo chips are dyed sequentially, then washed with water, and dried to a moisture content of 5% to 15%;

1.4) Color measurement: measure one by one with a spectrophotometer to the dyed bamboo chips, each kind of dyed bamboo chips is measured many times, and the average value is used as its color value;

1.5) Establish a color matching database: use the database building method to list in detail the manufacturers, production batches and models of acid dyes of the three primary colors and the dyeing conditions used, as well as the dyeing color sample information of imitation solid wood bamboo, and establish a special color matching database for bamboo imitation solid wood dyeing .

In the step 1.2), determine the maximum possible concentration of each dye that may be used for color matching, ranging from 0.01% to 8%, and then classify each formula from the lowest concentration to the maximum concentration, divided into 6 to 15 files.

In described step 3., the process of making imitation solid wood color bamboo floor is as follows:

3.1) Dipping and drying: Dried the dyed bamboo slices until the water content was 5%-15%, then impregnated the modified phenolic resin glue, the solid content of the glue was 15%-32%, the dipping time was 8-15min, and then It is dried to a moisture content of 5% to 15%;

3.2) Blank assembly: vertically assemble the dyed bamboo in the mould;

3.3) Gluing and molding: using cold pressing and heat curing or hot pressing technology, the assembled slabs are glued and formed into bamboo squares or bamboo blanks;

3.4) Subsequent processing: After sawing, trimming, grooving, sanding, painting, and drying processes, it is made into imitation solid wood colored bamboo flooring.

In the step 3.2), a single dyed bamboo material is used to form a blank, or two or more different dyed bamboo materials are used to form a blank.

The dyeing auxiliary agent in this embodiment is one or a mixture of leveling agent and penetrating agent, wherein the leveling agent is NaCl, alkylphenol polyoxyethylene ether, polyethylene glycol or dodecylbenzenesulfonate Acid, etc., the penetrating agent is JFC, Pingping plus O or (C12H25-O-C2HO)n series, etc.

Example 1: A kind of production method of imitation ebony colored bamboo floor:

1. Establish a bamboo imitation solid wood dyeing and color matching database

1.1 Select carbonized and rolled bamboo slices with a thickness of 1 mm to 3 mm, dry them to a moisture content of 5% to 15%, and then select the three primary colors of acid dyes, acid yellow, acid red, and acid blue.

1.2 Acid yellow is selected as the top of the tower in the three-color map of the three primary colors, and the left and right two at the bottom of the tower are acid red and acid blue. Every time the lower layer is reduced, one part of yellow is added, and red is added one by one from left to right. Subtract red and add blue, so that the sum of the number of dyes in each grid is 10, that is to say, the ratio of the three acid dye components is determined to change by 1/10, and 66 color sample formulas are obtained.

1.3 For each color sample formula, the maximum dyeing saturation concentration of 1% is divided into 12 levels, and the concentration of the levels are 0.01%, 0.05%, 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.7% , 0.8%, 0.9%, 1%.

1.4 According to different formula ratios and concentrations, weigh the dyes and auxiliaries respectively, dissolve them in water at 100°C for 60-100 minutes, then pour them into the dyeing tank, set the bath ratio to 10:1, add water to the required volume, and add 0.05%~0.3% leveling agent NaCl, 0.1%~0.5% penetrant JFC, adjust the pH value to 4.5~6 with NH ₄ Cl.

1.5) Put the carbonized and rolled bamboo chips dried to a moisture content of 5% to 15% in the dyeing solution for dyeing, the dyeing temperature is 90°C, and the dyeing time is 18 to 25 hours; Under the condition of hot air drying, the color was measured with a spectrophotometer.

1.6 Use the database establishment method to list in detail the relevant materials of the three primary color acid dyes and the dyeing conditions used, as well as the color sample information of imitation solid wood bamboo dyeing, and establish a special color matching database for bamboo imitation solid wood dyeing.

2. Cyclic dyeing of bamboo

2.1 Select the formula and concentration of bamboo imitation ebony dyeing from the color matching database. The ratio of the three acid dyes is acid yellow: acid red: acid blue = 2:3:5, and the concentration of the dye solution is 0.5%.

2.2 Accurately weigh 1g each of acid yellow, acid red and acid blue, dissolve in water at 100°C and transfer to a 1L volumetric flask, constant volume, then accurately measure 5ml with a pipette into a 250ml volumetric flask, dilute to scale. Use a spectrophotometer to measure the maximum absorption wavelength λ of the three primary color dye solutions and the absorbance value A at the maximum absorption wavelength. According to the relationship between dye concentration and light absorption value A=Kc, determine its proportional constant, and thus establish the formula for calculating the concentration of the dye solution after color matching of the three primary colors C _Y =1.85A ₃₆₉ -0.422A ₅₀₆ -0.498A ₆₀₀ , C _R =-0.160A ₃₆₉ +1.78A ₅₀₆ -0.340A ₆₀₀ , C _B =-0.0266A ₃₆₉ -0.229A ₅₀₆ +2.42A ₆₀₀ .

2.3 Dyeing method and conditions are the same as step (4) in step (4) of establishing the database of bamboo imitation solid wood dyeing and color matching in 1. Measure 10ml of dyeing liquid from the dyeing liquid to measure the absorbance value A at the three maximum wavelengths.

2.4 Same as step 1.4-1.6 in 1 to establish the bamboo imitation solid wood dyeing and color matching database.

2.5 After taking out the dyed bamboo slices, add water to the dyeing tank to make up the volume before dyeing, and then measure 10ml of dyeing residue. When the temperature reaches room temperature, the absorbance value A at the three maximum wavelengths is to be measured.

2.6 According to the established concentration calculation formula, the concentration is calculated from the light absorption value before and after the dyeing solution, and the dye is added according to the concentration difference before and after the dyeing solution, and then certain auxiliaries are added to ensure that the added dyeing solution is the same as the first dyeing solution. solution, and then stained again.

2.7 Perform circular dyeing, repeat steps 2.4 to 2.6 until the color difference of the dyed bamboo slices cannot meet the requirements.

3. Preparation of imitation ebony colored bamboo floor

3.1 Dried the dyed bamboo slices until the water content was 5% to 15%, and then impregnated the modified phenolic resin glue. The solid content of the glue was 15% to 32%, and the dipping time was 8 to 15 minutes, and then dried to the water content. 5% to 15%.

3.2 Weigh according to the set density value, and place a certain amount of dyed bamboo evenly in the mold longitudinally.

3.3 Using the cold pressing and heat curing process, send the mold into a special cold pressing machine for cold pressing, the cold pressing pressure is 50-70MPa, and the time is 1-3min. Then the mold is sent into a curing chamber for thermal curing, the curing temperature is 100-150° C., and the curing time is 4-12 hours. After curing, it is aged for 24-72 hours, and then the bamboo is removed from the mold.

3.4 After sawing, trimming, grooving, sanding, painting, drying and other processes, the imitation ebony colored bamboo floor is made.

Example 2: A kind of imitation cherry wood color bamboo floor production method

1. Establish a bamboo imitation solid wood dyeing and color matching database

1.1 Select bleached and rolled bamboo slices with a thickness of 1 mm to 2.5 mm, and dry them to a moisture content of 5% to 15%; select the three primary colors of acid dyes, acid yellow, acid red, and acid blue.

1.2 Acid yellow is selected as the top of the tower in the three-color map of the three primary colors, and the left and right two at the bottom of the tower are acid red and acid blue. Every time the lower layer is reduced, one part of yellow is added, and red is added one by one from left to right. Subtract red and add blue, so that the sum of the number of dye parts in each grid is 20, that is to say, the ratio of the three acid dye components is determined to change by 1/20, and 231 color sample formulas are obtained.

1.3 For each color sample formula, the maximum dyeing saturation concentration of 2% is divided into 8 grades, and the grade concentrations are 0.02%, 0.1%, 0.2%, 0.4%, 0.8%, 1.2%, 1.6%, and 2%.

1.4 Steps 1.4 to 1.6 in the same implementation 1 to establish the bamboo imitation solid wood dyeing and color matching database

2. Cyclic dyeing of bamboo

2.1 According to the color matching database, select the formula and concentration of bamboo imitation cherry wood dyeing, the formula is acid yellow: acid red: acid blue = 2:9:1, and the concentration of dyeing solution is 0.2%.

2.2 With the steps 2.2 to 2.7 of bamboo cycle dyeing in embodiment 1;

3. produce imitation cherry wood color bamboo floor, production method is with step 3 in example 1.

Claims (5)

1. colored bamboo floor manufacturing method of imitative solid wood, it is characterized in that: described production method may further comprise the steps:

1. set up the imitative solid wood dyeing of bamboo wood color matching database: the three primary colors of choosing acid dyes, Indian yellow, acid red, acid blue are matched colors, dyeing, colour examining, list the dyeing condition of three primary colors acid dyes and employing, and imitative solid wood bamboo dyeing tinctorial pattern information, set up the color matching database of the imitative solid wood dyeing of bamboo wood;

2. bamboo wood dyeing cycle specifically comprises following process:

2.1) fill a prescription and choose: according to the color matching database, choose the prescription of the imitative solid wood dyeing of bamboo wood;

2.2) set up three primary colors colorant match dye liquor concentration computational methods: the standard liquid of three kinds of acid dyes of preparation, and peak value and the wavelength of definite three kinds of dyestuffs, definite dyestuff proportionality constant is set up three primary colors colorant match dye liquor concentration computing formula: C at last then _Y=1.85A ₃₆₉-0.422A ₅₀₆-0.498A ₆₀₀, C _R=-0.160A ₃₆₉+ 1.78A ₅₀₆-0.340A ₆₀₀, C _B=-0.0266A ₃₆₉-0.229A ₅₀₆+ 2.42A ₆₀₀

Wherein, C _YBe the dye liquor concentration of Indian yellow, C _RBe the dye liquor concentration of acid red, C _BBe the dye liquor concentration of acid blue, A ₃₆₉Be the absorbance of Indian yellow maximum absorption wave strong point, A ₅₀₆Be the absorbance of acid red maximum absorption wave strong point, A ₆₀₀Absorbance for acid blue maximum absorption wave strong point;

2.3) the preparation dye liquor: according to prescription and dyeing condition, take by weighing three kinds of acid dyes, after in 80-100 ℃ water, dissolving 30min-100min earlier, the dye liquor that dissolving is good is poured in the staining bath, according to bath raio, add water to the volume of setting, add dyeing assistant again, regulating the pH value is 4.5～6.0, measures the light absorption value at 1～20ml dye liquor its three maximum wavelength places to be measured at last;

2.4) dyeing first: will roll bamboo chip and put into the dye liquor for preparing, and take out after dyeing 3～23 hours under 75 ℃～100 ℃ the environment, again to the washing of dyeing bamboo chip, and to be dried to moisture content be 5%～15%, measures its color with spectrophotometric color measurement instrument;

2.5) measure the light absorption value of dyestuff in the raffinate: after taking out the dyeing bamboo chip, in staining bath, add water and add to volume before the dyeing, measure 1～20ml dyeing residual liquid again, after its temperature reaches room temperature, the light absorption value at its three maximum wavelength places to be measured;

2.6) add dyestuff and auxiliary agent: according to described concentration computing formula, draw the dyeing concentration of dye liquor afterwards by light absorption value, the concentration difference according to before and after the dye liquor draws the amount of dye that need add, and the adding dyeing assistant, the dye liquor after guaranteeing to add and dye liquor is suitable first;

2.7) repeating step 2.4) to 2.6) carry out dyeing cycle;

3. produce the colored bamboo of imitative solid wood floor: successively by impregnation drying, assembly and glue molding, make the colored bamboo of imitative solid wood floor.

2. the colored bamboo floor manufacturing method of a kind of imitative solid wood as claimed in claim 1 is characterized in that: described step 1. in, the process of setting up the imitative solid wood dyeing of bamboo wood color matching database is as follows:

1.1) get the raw materials ready: choose the three primary colors of acid dyes, Indian yellow, acid red, acid blue;

1.2) color matching: according to the variation of three kinds of acid dyes component ratios, set up the trichromatic diagram of dyestuff three primary colors colorant match;

1.3) dyeing: according to trichromatic diagram and default stepping concentration, dye successively to rolling bamboo chip, then to its washing, and to be dried to moisture content be 5%～15%; Described stepping concentration is divided into 12 grades to the maximum dyeing of each tinctorial pattern prescription saturated concentration 1% exactly, is respectively 0.01%, 0.05%, 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1%;

1.4) colour examining: use spectrophotometric color measurement instrument to measure one by one to the dyeing bamboo chip, every kind of dyeing bamboo chip is measured repeatedly, with mean value as its color value;

1.5) set up the color matching database: maintenance data storehouse method for building up, list the dyeing condition of three primary colors acid dyes and employing in detail, and imitative solid wood bamboo dyeing tinctorial pattern information, set up the special-purpose color matching database of the imitative solid wood dyeing of bamboo wood.

3. the colored bamboo floor manufacturing method of a kind of imitative solid wood as claimed in claim 2, it is characterized in that: described step 1.2), determine the Cmax that may use when every kind of dyestuff is actually used in colorant match, scope is 0.01%～8%, every kind of prescription carries out stepping from the least concentration to the Cmax then, is divided into 6～15 grades.

4. as the colored bamboo floor manufacturing method of the described a kind of imitative solid wood of one of claim 1～3, it is characterized in that: described step 3. in, the process of producing the colored bamboo of imitative solid wood floor is as follows:

3.1) the impregnation drying: it is to flood modified alkyd resin glue again behind the 5%-15% that the bamboo chip that will dye is dried to moisture content, and the glue solid content is 15%～32%, and the impregnation time is 8～15min, and being dried moisture content then is 5%～15%;

3.2) assembly: bamboo wood vertical assembly in mould will dye;

3.3) glue molding: adopt cold pressing heat cure or heat pressing process, the slab glue molding that group is good is made bamboo side or bamboo blank plate;

3.4) following process: make the colored bamboo of imitative solid wood floor through sawing, deburring, mortice opening, sanding, covering with paint, drying process.

5. the colored bamboo floor manufacturing method of a kind of imitative solid wood as claimed in claim 4 is characterized in that: described step 3.2), adopt single dyeing bamboo wood assembly, perhaps adopt two or more coloured differently bamboo wood assembly.