CN102995139B - Bamboo fiber material for shirt - Google Patents
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- CN102995139B CN102995139B CN201210410967.8A CN201210410967A CN102995139B CN 102995139 B CN102995139 B CN 102995139B CN 201210410967 A CN201210410967 A CN 201210410967A CN 102995139 B CN102995139 B CN 102995139B
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Abstract
The invention relates to a bamboo fiber, and in particular relates to a raw bamboo fiber material for a shirt, which is directly produced by raw bamboos. The bamboo fiber material is prepared by the following steps of: sorting, flattening, softening, splitting, boiling, pickling, carrying out bamboo vinegar treatment, carrying out soaking flame retardant treatment, and carrying out microwave vacuum drying. The softening adopts microwave softening: the flattened bamboo is soaked in softening liquid, and then the bamboo soaked with the softening liquid is conveyed into a microwave vacuum tank for carrying out microwave softening treatment; the bamboo vinegar treatment includes primary bamboo vinegar treatment and secondary bamboo vinegar treatment; and the soaking flame retardant treatment adopts vacuum pressurization flame retardant treatment: in a treatment process, the bamboo filament fiber subjected to bamboo vinegar treatment is firstly put into a vacuum pressurization tank for vacuumizing to enable the vacuum degree of the bamboo filament fiber to be (-0.015)-(-0.025)Mpa, then a flame retardant is added into the tank, and the pressure in the tank is increased to 0.1-0.8Mpa. The bamboo fiber provided by the invention has a flame retardant effect, has good air permeability, is smooth and is especially suitable for shirts.
Description
Technical field
The present invention relates to a kind of bamboo fibre, relate in particular to the former bamboo of a kind of use and directly produce the bamboo fiber material for shirt.
Background technology
Bamboo fibre in the market has following two classes: the one, and the regenerated fiber of producing by bamboo pulp, is commonly referred to bamboo pulp fiber; The 2nd, the fiber directly extracting from bamboo through special process, is called bamboo fiber.Because bamboo fiber has more superior performance at aspects such as hygroscopicity, gas permeability, spinnabilitys, therefore studying spinnability bamboo fiber has obvious economic benefit and good social benefit.
China foretells existing many patents of invention in bamboo fiber manufacture method in recent years, CN11078520C has announced a kind of manufacture method, CN1261290C that former bamboo is opened to bar, kicker, formation bamboo fiber bundle goods and has announced a kind of method that former bamboo bamboo chip is adopted to pure physics, by boiling sub-wire, desaccharification, degrease, protein, after starch is processed, through mechanical impact, tear, shredding becomes bamboo fibre.CN1185086C has announced by cold rolling, poach and has soaked, dewaters and comb the operations such as fiber processed, and the fiber of acquisition is mainly for the production of bamboo fiberboard.CN1217038 has announced a kind of preparation method of bamboo fiber from bamboo, and this preparation method is prepared, softens, washes, rolls, washes, urinates oxygen processing, washing, alkali lye kiering, washing, the processing of urine oxygen bamboo vinegar, pickling, the step order such as dewatered, shakes up, dries and can make bamboo fibre by sample.
Yet said method production stage is loaded down with trivial details, and the processing time is long, the fineness of bamboo fiber products and pliability need to improve, and these bamboo fiber products do not have flame retardant effect.
Summary of the invention
The object of this invention is to provide a kind of have flame retardant effect, good permeability, smooth, be especially suitable for the bamboo fiber material of shirt.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
For the bamboo fiber material of shirt, it comprises the following steps successively: select materials, flatten, and softening, open fibre, boiling, pickling, bamboo vinegar is processed, dipping flame treatment, micro-wave vacuum;
Described softening employing microwave softened, bamboo wood after flattening is immersed in bating liquor, then the bamboo wood that is soaked with bating liquor is sent in microwave vacuum tank, being evacuated to vacuum is-0.02MPa～-0.001MPa, carry out again microwave softened processing, microwave frequency is 300MHz～950MHz, and microwave treatment time is 1～3min;
Described bamboo vinegar is processed and is comprised a bamboo vinegar processing and the processing of secondary bamboo vinegar, it is that bamboo fibre is immersed in to 20-40min in the bamboo vinegar treatment fluid of 40-50 ℃ that bamboo vinegar is processed, it is that bamboo fibre is immersed in to 10-30min in the secondary bamboo vinegar treatment fluid of 55-80 ℃ that secondary bamboo vinegar is processed, the bamboo vinegar aqueous solution that a described bamboo vinegar treatment fluid is 20-30g/L, the mixed solution that the bamboo vinegar that described secondary bamboo vinegar treatment fluid is weight ratio 1:0.1-0.2:60-100, chelating agent and water form;
Described dipping flame treatment adopts vacuum pressed flame treatment, bamboo filamentary fibers after first bamboo vinegar being processed in processing procedure packs vacuum pressed tank into and vacuumizes and make its vacuum for-0.015MPa～-0.025Mpa, then fire retardant is added in tank and by pressure to add to 0.1MPa～0.8Mpa; Described fire retardant is counted composed of the following components by weight: 20～50 parts of ammonium low polyphosphates, 10～25 parts, ammonium phosphate, 6～12 parts of ammonium pyrophosphates, 5～20 parts, ammonium sulfate, 5～10 parts of boric acid, 10～25 parts, water.
Advantage of the present invention is:
(1) the present invention adopts microwave softened to bamboo wood before opening fibre, can reach at short notice degree more than 100 and play bating effect; Desinsection ovicidal process can be within 1～3 minute, completed, conventional fumigant insect killing technique can be substituted completely;
(2) microwave softened of the present invention for after bamboo wood open fine step and there is good booster action, because the length of penetration of microwave in bamboo wood is larger, softening more thorough, and can make bamboo fibre carry out pre-separation, be convenient to the fine operation of opening of next step, overcome heat in follow-up digestion process simultaneously and transmit difficulty, the long problem of digestion time; Microwave softened has unique non-thermal effect in addition, and microwave softened can also keep the natural colored of bamboo wood except can more thoroughly kill various entomogenous fungis, mildew phenomenon under low temperature;
(3) the dipping flame treatment of the present invention after bamboo vinegar is processed adopts vacuum pressed flame treatment, can overcome the mobile resistances of fire retardant such as conduit in bamboo wood microstructure, test-tube baby, pit, extract filling or aspiration, make fire retardant can deeply be penetrated into bamboo wood the inside, effectively prevented the loss of fire retardant; Vacuum pressed flame treatment also has the advantages such as fire retardant infiltration efficiency is high, resistance leachability is strong, environmentally friendly;
(4) the present invention's fire retardant used, environmentally safe, has also guaranteed workman's health safety in production process.In addition, the fire retardant of the present invention's configuration can recycle;
(5) the present invention can make bamboo fibre activation and further be separated from each other softening, open the bamboo vinegar processing method that adopts after fibre, boiling, pickling and bamboo vinegar treatment fluid, improve bacteriostasis rate and the antibacterial value of bamboo fibre, make the gas permeability of bamboo fibre better, more environmental protection for conventional bleaching method, little to environment and human body excitant, and this bamboo vinegar processing method is under the impact of dipping flame treatment step, can further improve fineness and the pliability of bamboo fibre, its feel stability is increased, so that be applied to shirt preparation;
(6) advantage of carrying out micro-wave vacuum after flame treatment at dipping is: can further under low temperature, more thoroughly kill various entomogenous fungis; Can make bamboo fibre softer, intensity is better; Microwave has good osmosis for the bamboo fibre after vacuum pressed flame treatment, because the moisture content of the bamboo fibre after vacuum pressed flame treatment is not high, and when bamboo fibre moisture content is not too high, the length of penetration of microwave in bamboo fibre is larger; The dry processing of vacuum pressed flame treatment and microwave-vacuum not only has the advantages such as fire retardant infiltration efficiency is high, resistance leachability is strong, rate of drying is fast, environmentally friendly, and can also overcome dry run bamboo fibre implosion and inside and the seasoning defect drying defect such as burn;
(7) bamboo fiber material feel good stability of the present invention, the bacteriostasis rate of bamboo fibre and antibacterial value are high, are especially suitable for shirt preparation.
As preferably, described chelating agent is at least one in ethylenediamine tetra-acetic acid or disodium edta.
As preferably, described micro-wave vacuum is that the bamboo fibre after dipping flame treatment is sent in microwave vacuum tank, and degree of being evacuated to is-0.03MPa～-0.01MPa; Carry out microwave drying treatment, microwave frequency is 100MHz～500MHz again, and microwave treatment time is 2～6 minutes.
As preferably, described flattening is make under bamboo end along splitting and opening thin cylinder or cone are flattened gradually.
Adopt flattening method to process bamboo wood; do not need the cutting to bamboo to hack; can carry out streamline processing to realize efficient large-scale production to whole bamboo; and can make full use of connecting each other of bamboo stem stalk and be convenient to out fine feature; production efficiency is high; material economy, the uniformity of the bamboo fibre of production, length, fineness, intensity ideal.
As preferably, the bamboo wood in described softening method and the weight ratio of described bating liquor are 100:8-2.
More preferably, described bating liquor is water, wet nurse's soap, mineral oil and emulsifying agent.
Further preferably, described bating liquor is 100 weight portions water, wet nurse's soap of 15-20 weight portion, the emulsifying agent of the mineral oil of 8-10 weight portion and 5-8 weight portion.
More preferably, described emulsifying agent is nonionic emulsifier.
More preferably, described bating liquor is that water, NaOH, sodium carbonate, sodium sulfite, sodium metasilicate mix according to mass ratio 30-75:2:3:0.8:0.4.
As preferably, described boiling method be by open bamboo filamentary fibers after fibre be placed in cooking liquor and in pressurized vessel, repeatedly pressurize, decompression operation, bath raio is 3-5:1, digestion time is 20-30min; Described cooking liquor be the sodium carbonate of 1-2g/L, the sodium metasilicate of the sodium hydrogen phosphate of 2-3g/L, 6-7g/L, the hydrogen peroxide of 8-10g/L and water form; Described pressurization should make temperature in pressurized tank reach 140-150 ℃, and described decompression is to atmosphere, to discharge the pressure in this pressurized tank fast after pressurized, heated.
Boiling method of the present invention can shorten digestion time, and boiling method of the present invention and cooking liquor can make bamboo fibre further be separated from each other, and this boiling method can further improve fineness and the pliability of bamboo fibre.
As preferably, described pickling is used dilute sulfuric acid or the dilute hydrochloric acid solution of 5-8g/L to clean to pH value 6-7, then cleans with clear water.
As preferably, at a described bamboo vinegar, process and during the processing of secondary bamboo vinegar, in bamboo vinegar treatment fluid and secondary bamboo vinegar treatment fluid, be filled with air; The described air being filled with is to place agitating device by stirring generation in a described bamboo vinegar treatment fluid and secondary bamboo vinegar treatment fluid.
Bamboo vinegar is filled with air method in processing can further make bamboo fibre more smooth, and feel is better, and intensity is better.
The specific embodiment
Embodiment mono-
Select annual mao bamboon.With punch or the perforation of other method, or with facility, columned bamboo is cut away half, make bamboo become hollow cylinder or semicolumn barrel shape, bamboo wood after flattening is immersed in bating liquor, the weight ratio of bamboo wood and bating liquor is 100:8, and bating liquor is that 100 weight parts waters, 15 parts of wet nurse's soaps, 8 parts of mineral oil and 5 parts of polyoxyethylene nonylphenol ethers mix;
Then the bamboo wood that is soaked with bating liquor is sent in microwave vacuum tank, be evacuated to vacuum for-0.02MPa, then carry out microwave softened processing, microwave frequency is 300MHz, and microwave treatment time is 1min;
After bamboo wood after softening processing is rinsed with clear water, through comb, separate, then adopt and drive fine seperator and make bamboo wood become fibre bundle state; Then carry out boiling,
Boiling method be by open bamboo filamentary fibers after fibre be placed in cooking liquor and in pressurized vessel, repeatedly pressurize, decompression operation, pressurization makes temperature in pressurized tank reach 125-135 ℃, decompression is to atmosphere, to discharge the pressure in this pressurized tank fast after pressurized, heated; bath raio is that the weight ratio of cooking liquor and bamboo filamentary fibers is 3:1, and digestion time is 20min; Cooking liquor by the sodium carbonate of 1g/L, the sodium metasilicate of the sodium hydrogen phosphate of 2g/L, 6g/L, the hydrogen peroxide of 8g/L and water form;
Use dilute sulfuric acid or the dilute hydrochloric acid solution of 5g/L to clean to pH value 6-7, then clean with clear water; Next bamboo fibre is carried out to bamboo vinegar processing, bamboo vinegar is processed and is comprised a bamboo vinegar processing and the processing of secondary bamboo vinegar, it is that bamboo fibre is immersed in to 30min in the bamboo vinegar treatment fluid of 45 ℃ that bamboo vinegar is processed, the bamboo vinegar aqueous solution that bamboo vinegar treatment fluid is 25g/L, it is that bamboo fibre is immersed in to 20min in the secondary bamboo vinegar treatment fluid of 70 ℃ that secondary bamboo vinegar is processed, and secondary bamboo vinegar treatment fluid is the mixed solution that bamboo vinegar, ethylenediamine tetra-acetic acid chelating agent and the water of weight ratio 1:0.1:80 forms; Then flood flame treatment,
Dipping flame treatment adopts vacuum pressed flame treatment: the bamboo filamentary fibers after first bamboo vinegar being processed in processing procedure packs vacuum pressed tank into and vacuumizes and make its vacuum for-0.015MPa, then fire retardant is added in tank and by pressure in tank and adds to 0.1MPa, the fire retardant of use is counted composed of the following components by weight: 20 parts of ammonium low polyphosphates, 10 parts, ammonium phosphate, 6 parts of ammonium pyrophosphates, 5 parts, ammonium sulfate, 5 parts of boric acid, 10 parts, water;
Finally carry out micro-wave vacuum, specifically the bamboo fibre after dipping flame treatment is sent in microwave vacuum tank, degree of being evacuated to is-0.03MPa; Carry out microwave drying treatment, microwave frequency is 100MMHz again, and microwave treatment time is 2 minutes.Finally obtaining fineness is the bamboo fiber that 0.02-0.05mm, length are 100-300mm.
Embodiment bis-
Select 2 years raw bambusa texlitises.
With punch or the perforation of other method, or with facility, columned bamboo is cut away half, make bamboo become hollow cylinder or semicolumn barrel shape, bamboo wood after flattening is immersed in bating liquor, the weight ratio of bamboo wood and described bating liquor is 100:2, and bating liquor is that 100 weight parts waters, 20 parts of wet nurse's soaps, 10 parts of mineral oil and 8 parts of paregal O emulsifying agents mix;
Then the bamboo wood that is soaked with bating liquor is sent in microwave vacuum tank, be evacuated to vacuum for-0.001MPa, then carry out microwave softened processing, microwave frequency is 950MHz, and microwave treatment time is 3min;
After bamboo wood after softening processing is rinsed with clear water, through comb, separate, then adopt and drive fine seperator and make bamboo wood become fibre bundle state; Then carry out boiling,
Boiling method be by open bamboo filamentary fibers after fibre be placed in cooking liquor and in pressurized vessel, repeatedly pressurize, decompression operation, pressurization makes temperature in pressurized tank reach 170-180 ℃, decompression is to atmosphere, to discharge the pressure in this pressurized tank fast after pressurized, heated; bath raio is that the weight ratio of cooking liquor and bamboo filamentary fibers is 5:1, and digestion time is 30min; Cooking liquor by the sodium carbonate of 2g/L, the sodium metasilicate of the sodium hydrogen phosphate of 3g/L, 7g/L, the hydrogen peroxide of 10g/L and water form;
Use dilute sulfuric acid or the dilute hydrochloric acid solution of 8g/L to clean to pH value 6-7, then clean with clear water; Next bamboo fibre is carried out to bamboo vinegar processing, bamboo vinegar is processed and is comprised a bamboo vinegar processing and the processing of secondary bamboo vinegar, it is that bamboo fibre is immersed in to 20min in the bamboo vinegar treatment fluid of 40 ℃ that bamboo vinegar is processed, the bamboo vinegar aqueous solution that bamboo vinegar treatment fluid is 20g/L, it is that bamboo fibre is immersed in to 10min in the secondary bamboo vinegar treatment fluid of 55 ℃ that secondary bamboo vinegar is processed, and secondary bamboo vinegar treatment fluid is the mixed solution that bamboo vinegar, disodium edta chelating agent and the water of weight ratio 1:0.2:60 forms; Then flood flame treatment,
Dipping flame treatment adopts vacuum pressed flame treatment: in processing procedure, first the bamboo filamentary fibers of gained after pickling is packed into vacuum pressed tank and vacuumize and make its vacuum for-0.025Mpa, then fire retardant is added in tank and by pressure in tank and adds to 0.8Mpa, the fire retardant of use is counted composed of the following components by weight: 50 parts of ammonium low polyphosphates, 25 parts, ammonium phosphate, 12 parts of ammonium pyrophosphates, 20 parts, ammonium sulfate, 10 parts of boric acid, 25 parts, water;
Finally carry out micro-wave vacuum, specifically the bamboo fibre after dipping flame treatment is sent in microwave vacuum tank, degree of being evacuated to is-0.01MPa; Carry out microwave drying treatment, microwave frequency is 500MHz again, and microwave treatment time is 6 minutes.Finally obtaining fineness is the bamboo fiber that 0.02-0.05mm, length are 100-300mm.
Embodiment tri-
Select 3 years raw green bamboos.With punch or the perforation of other method, or with facility, columned bamboo is cut away half, make bamboo become hollow circular cone or half-conical barrel shape, bamboo wood after flattening is immersed in bating liquor, the weight ratio of bamboo wood and described bating liquor is 100:5, and bating liquor is that 100 weight parts waters, 18 parts of wet nurse's soaps, 9 parts of mineral oil and 6 parts of polyoxyethylene nonylphenol ethers mix;
Then the bamboo wood that is soaked with bating liquor is sent in microwave vacuum tank, be evacuated to vacuum for-0.01MPa, then carry out microwave softened processing, microwave frequency is 600MHz, and microwave treatment time is 2min;
After bamboo wood after softening processing is rinsed with clear water, through comb, separate, then adopt and drive fine seperator and make bamboo wood become fibre bundle state; Then carry out boiling,
Boiling method be by open bamboo filamentary fibers after fibre be placed in cooking liquor and in pressurized vessel, repeatedly pressurize, decompression operation, pressurization should make temperature in pressurized tank reach 140-150 ℃, decompression is to atmosphere, to discharge the pressure in this pressurized tank fast after pressurized, heated; bath raio is that the weight ratio of cooking liquor and bamboo filamentary fibers is 4.5:1, and digestion time is 25min; Cooking liquor by the sodium carbonate of 1.5g/L, the sodium metasilicate of the sodium hydrogen phosphate of 2.5g/L, 6.5g/L, the hydrogen peroxide of 9g/L and water form;
Use dilute sulfuric acid or the dilute hydrochloric acid solution of 6g/L to clean to pH value 6-7, then clean with clear water; Next bamboo fibre is carried out to bamboo vinegar processing, bamboo vinegar is processed and is comprised a bamboo vinegar processing and the processing of secondary bamboo vinegar, it is that bamboo fibre is immersed in to 40min in the bamboo vinegar treatment fluid of 50 ℃ that bamboo vinegar is processed, the bamboo vinegar aqueous solution that bamboo vinegar treatment fluid is 30g/L, it is that bamboo fibre is immersed in to 30min in the secondary bamboo vinegar treatment fluid of 80 ℃ that secondary bamboo vinegar is processed, secondary bamboo vinegar treatment fluid is the mixed solution that bamboo vinegar, chelating agent and the water of weight ratio 1:0.2:100 forms, and wherein chelating agent is the disodium edta of 1:1 weight ratio and the mixture of ethylenediamine tetra-acetic acid; Then flood flame treatment,
Dipping flame treatment adopts vacuum pressed flame treatment: in processing procedure, first the bamboo filamentary fibers of gained after pickling is packed into vacuum pressed tank and vacuumize and make its vacuum for-0.02Mpa, then fire retardant is added in tank and by pressure in tank and adds to 0.6Mpa, the fire retardant of use is counted composed of the following components by weight: 30 parts of ammonium low polyphosphates, 15 parts, ammonium phosphate, 8 parts of ammonium pyrophosphates, 15 parts, ammonium sulfate, 8 parts of boric acid, 15 parts, water;
Finally carry out micro-wave vacuum, specifically the bamboo fibre after dipping flame treatment is sent in microwave vacuum tank, degree of being evacuated to is-0.02MPa; Carry out microwave drying treatment, microwave frequency is 300MHz again, and microwave treatment time is 4 minutes.Finally obtaining fineness is the bamboo fiber that 0.01-0.04mm, length are 200-500mm.
Embodiment tetra-
With embodiment mono-, different is processes and during the processing of secondary bamboo vinegar at a described bamboo vinegar, in bamboo vinegar treatment fluid and secondary bamboo vinegar treatment fluid, is filled with air; The air being filled with is to place agitating device by stirring generation in a described bamboo vinegar treatment fluid and secondary bamboo vinegar treatment fluid.
Embodiment five
With embodiment bis-, different is processes and during the processing of secondary bamboo vinegar at a described bamboo vinegar, in bamboo vinegar treatment fluid and secondary bamboo vinegar treatment fluid, is filled with air; The air being filled with is to place agitating device by stirring generation in a described bamboo vinegar treatment fluid and secondary bamboo vinegar treatment fluid.
Embodiment six
With embodiment tri-, different is processes and during the processing of secondary bamboo vinegar at a described bamboo vinegar, in bamboo vinegar treatment fluid and secondary bamboo vinegar treatment fluid, is filled with air; The air being filled with is to place agitating device by stirring generation in a described bamboo vinegar treatment fluid and secondary bamboo vinegar treatment fluid.
Embodiment seven
With embodiment five, different is, and boiling method adopts conventional method, is about to boiling 2h in sodium hydrate aqueous solution that bamboo wood is placed on 100 ℃; In addition, bating liquor is that water, NaOH, sodium carbonate, sodium sulfite, sodium metasilicate mix according to mass ratio 30:2:3:0.8:0.4.
Embodiment eight
With embodiment five, different is bating liquor is water, NaOH, sodium carbonate, sodium sulfite, sodium metasilicate mix according to mass ratio 75:2:3:0.8:0.4, and at described bamboo vinegar, process and during the processing of secondary bamboo vinegar, in bamboo vinegar treatment fluid and secondary bamboo vinegar treatment fluid, be filled with air; The air being filled with is to place agitating device by stirring generation in a described bamboo vinegar treatment fluid and secondary bamboo vinegar treatment fluid.
Embodiment nine
With embodiment five, different is bating liquor is water, NaOH, sodium carbonate, sodium sulfite, sodium metasilicate mix according to mass ratio 55:2:3:0.8:0.4.
Comparing embodiment one
1, preliminary treatment: the mao bamboon debranching that is 1-2 year growth period is saved, removes taper, discards the part near 20 centimetres of roots, natural length by ring cuts into thick bamboo tube, 20 centimetres of left and right of length, then remove described thick bamboo tube fragmentation after bamboo spring with hitting bamboo machine, make the bamboo chip of 2 centimetres of left and right width:
2, soak: the bamboo chip making is piled up as far as possible regularly, and be immersed in containing in the neutral solution of 0.01% (w/w) JFC-BX mixed type bleeding agent, soak time is 10-11 hours;
3, boiling: the bamboo chip soaking is added a cover to boiling 3 hours in 100 ℃ under normal pressure; cooking liquor is the aqueous solution of caustic soda (NaOH); wherein contain bleeding agent; the concentration of bleeding agent is 1%(w/w) left and right; described bleeding agent is 3FC-BX mixed type bleeding agent; the pH value of cooking liquor is 13, and wherein the volume ratio of cooking liquor and bamboo chip is 2:1;
4, press bundle, neutralization and washing: well-done bamboo chip is pricked to machine band hydraulic pressure by conventional pressure and prick, in pressure bundle process, keeping bamboo chip temperature is 70-80 ℃, obtains cotton-shaped thin slice, at the cotton-shaped thin slice of pressing bundle machine rear portion water spray washing to obtain; On second is pressed binding, use oxalic acid liquid to carry out neutralisation treatment, and make pH value after neutralization in 7.5 left and right, then, by the cotton-shaped thin slice band hydraulic pressure bundle after neutralization 2 times, obtain bamboo fiber bundle fibre;
5, enzyme is processed: bamboo fiber bundle after secondary band hydraulic pressure is pricked is fine immerses 2% (w! W), in amylase solution, at 25-30 ℃, enzymolysis is 40 minutes;
6, secondary boiled and washing: the bamboo fiber bundle fibre being immersed in amylase solution is added a cover to boiling 1 hour at 80 ℃, then fine with the bamboo fiber bundle after water flow washing boiling, the pH value of the bamboo fiber bundle fibre after washing is 6.5-7.0, obtains thinner bamboo fiber bundle fine.
7, post processing: the bamboo fiber bundle fibre last operation being obtained with sub-wire machine is separated into reticular fibre; With the hydrogen peroxide of 1% (w/w), as bamboo vinegar finishing agent, light yellow reticular fibre bamboo vinegar is processed 1 hour; Water softens reticular fibre 20 minutes with 2% (wfw) silicone softening agent FK-220C2 after bamboo vinegar is processed to fiber and cleaned; By the fiber centrifugal dehydration of having softened, dehydration rate 65% is rear dry.
The fineness of the bamboo fibre obtaining according to above-mentioned process conditions is that 0.06-0.1mm, intensity are 2.15(cN/dtex).
Comparative example two
With embodiment bis-, different does not adopt microwave softened while being softening, but directly bamboo wood is immersed in to 5-10h in bating liquor; During dipping flame treatment, do not adopt vacuum pressed flame treatment, but adopt normal pressure to process.
Comparative example three
With embodiment tri-, different is not adopt bamboo vinegar to process, but adopts conventional method for bleaching; During dipping flame treatment, do not adopt vacuum pressed flame treatment, but adopt normal pressure to process.
Comparative example four
With embodiment tetra-, different is not adopt microwave vacuum to process, but adopts conventional drying and dehydrating method; During dipping flame treatment, do not adopt vacuum pressed flame treatment, but adopt normal pressure to process.
The contrast of table 1 fibre property
Explanation of tables:
1. oxygen index (OI) (OI) refers under defined terms, and material carries out the required minimum oxygen concentration of flaming combustion in oxygen-nitrogen mixture stream.Numerical value with the shared percentage by volume of oxygen represents.Oxygen index (OI) is high represents that material is nonflammable, and the low expression material of oxygen index (OI) easily burns, and it is generally acknowledged that oxygen index (OI) <22 belongs to combustible material, and oxygen index (OI) belongs to combustible material between 22-27, and oxygen index (OI) >27 belongs to nonflammable material.
2. in two steps, the first step is evaluation feel style to hand feel evaluation, comprises flexibility, fluffy, smooth, elasticity, the performance such as active; Second step is rating, and feel grading is divided into 5 grades, and 1 grade the poorest, and 5 grades best, and evaluation result is averaged.
3. the testing standard of bacteriostasis rate and antibacterial value is JISL1902-2008.
As can be seen from Table 1:
(1) oxygen index (OI) of embodiment of the present invention gained bamboo fiber products is high, and flame retardant effect is better than existing flame retardant products and comparative example's product;
(2) fineness of the bamboo fiber products of the embodiment of the present invention is little, and pliability is large, and intensity is large, and bacteriostasis rate and antibacterial value are large; And do not adopt microwave softened of the present invention, fineness, pliability and the intensity of flooding the bamboo fibre of fire-retardant and bamboo vinegar processing method all have much room for improvement (seeing comparative example one, two, three).
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 modification that there is no creative contribution as required after reading this description, but as long as within the scope of claim of the present invention, are all subject to the protection of Patent Law.
Claims (8)
1. for the bamboo fiber material of shirt, it is characterized in that it manufactures by following steps successively: select materials, flatten, softening, open fibre, boiling, pickling, bamboo vinegar is processed, dipping flame treatment, micro-wave vacuum; Described flattening is make under bamboo end along splitting and opening thin cylinder or cone are flattened gradually;
Described softening employing microwave softened, bamboo wood after flattening is immersed in bating liquor, then the bamboo wood that is soaked with bating liquor is sent in microwave vacuum tank, being evacuated to vacuum is-0.02MPa～-0.001MPa, carry out again microwave softened processing, microwave frequency is 300MHz～950MHz, and microwave treatment time is 1～3min;
Described bamboo vinegar is processed and is comprised a bamboo vinegar processing and the processing of secondary bamboo vinegar, it is that bamboo fibre is immersed in to 20-40min in the bamboo vinegar treatment fluid of 40-50 ℃ that bamboo vinegar is processed, it is that bamboo fibre is immersed in to 10-30min in the secondary bamboo vinegar treatment fluid of 55-80 ℃ that secondary bamboo vinegar is processed, the bamboo vinegar aqueous solution that a described bamboo vinegar treatment fluid is 20-30g/L, the mixed solution that the bamboo vinegar that described secondary bamboo vinegar treatment fluid is weight ratio 1:0.1-0.2:60-100, chelating agent and water form; At described bamboo vinegar, process and during the processing of secondary bamboo vinegar, in bamboo vinegar treatment fluid and secondary bamboo vinegar treatment fluid, be filled with air; The described air being filled with is to place agitating device by stirring generation in a described bamboo vinegar treatment fluid and secondary bamboo vinegar treatment fluid;
Described dipping flame treatment adopts vacuum pressed flame treatment, bamboo filamentary fibers after first bamboo vinegar being processed in processing procedure packs vacuum pressed tank into and vacuumizes and make its vacuum for-0.015MPa～-0.025 MPa, then fire retardant is added in tank and by pressure to add to 0.1MPa～0.8 MPa; Described fire retardant is counted composed of the following components by weight: 20～50 parts of ammonium low polyphosphates, 10～25 parts, ammonium phosphate, 6～12 parts of ammonium pyrophosphates, 5～20 parts, ammonium sulfate, 5～10 parts of boric acid, 10～25 parts, water.
2. the bamboo fiber material for shirt according to claim 1, is characterized in that: described chelating agent is at least one in ethylenediamine tetra-acetic acid or disodium edta.
3. the bamboo fiber material for shirt according to claim 1 and 2, is characterized in that: described micro-wave vacuum is that the bamboo fibre after dipping flame treatment is sent in microwave vacuum tank, and degree of being evacuated to is-0.03MPa～-0.01MPa; Carry out microwave drying treatment, microwave frequency is 100MHz～500MHz again, and microwave treatment time is 2～6 minutes.
4. the bamboo fiber material for shirt according to claim 3, is characterized in that: the bamboo wood in described softening method and the weight ratio of described bating liquor are 100:8-2.
5. the bamboo fiber material for shirt according to claim 4, is characterized in that: described bating liquor is water, wet nurse's soap, mineral oil and emulsifying agent.
6. the bamboo fiber material for shirt according to claim 5, is characterized in that: described bating liquor is that the water of 100 weight portions is, the mineral oil of wet nurse's soap of 15-20 weight portion, 8-10 weight portion and the emulsifying agent of 5-8 weight portion.
7. the bamboo fiber material for shirt according to claim 4, is characterized in that: described bating liquor is that water, NaOH, sodium carbonate, sodium sulfite, sodium metasilicate mix according to mass ratio 30-75:2:3:0.8:0.4.
8. according to the bamboo fiber material for shirt described in claim 5 or 6, it is characterized in that: described boiling method be by open bamboo filamentary fibers after fibre be placed in cooking liquor and in pressurized vessel, repeatedly pressurize, decompression operation; bath raio is 3-5:1, and digestion time is 20-30min; Described cooking liquor be the sodium carbonate of 1-2g/L, the sodium metasilicate of the sodium hydrogen phosphate of 2-3g/L, 6-7g/L, the hydrogen peroxide of 8-10g/L and water form; Described pressurization should make temperature in pressurized tank reach 140-150 ℃, and described decompression is to atmosphere, to discharge the pressure in this pressurized tank fast after pressurized, heated.
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| CN201210410967.8A CN102995139B (en) | 2012-10-25 | 2012-10-25 | Bamboo fiber material for shirt |
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| CN201210410967.8A CN102995139B (en) | 2012-10-25 | 2012-10-25 | Bamboo fiber material for shirt |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104294402B (en) * | 2014-10-11 | 2016-02-17 | 浙江建中竹业科技有限公司 | The preparation method with bamboo charcoal fibre face fabric spins in a kind of family |
| CN104264279B (en) * | 2014-10-11 | 2016-03-16 | 浙江建中竹业科技有限公司 | A kind of bamboo charcoal fibre face fabric spun for family |
| CN104264478B (en) * | 2014-10-11 | 2015-12-30 | 安吉登冠竹木开发有限公司 | A kind of bamboo fiber towel goods prepared by modified adhesive |
| CN104342928B (en) * | 2014-10-11 | 2016-08-31 | 安吉登冠竹木开发有限公司 | A kind of bamboo fibre grid cloth containing environmental protection binding agent |
| CN104358002B (en) * | 2014-10-11 | 2016-01-06 | 安吉登冠竹木开发有限公司 | A kind of preparation method of bamboo fibre grid cloth |
| CN104294581A (en) * | 2014-10-27 | 2015-01-21 | 常熟市卫丰针纺织有限公司 | Alkaline processing method for bamboo fiber |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1621580A (en) * | 2003-11-25 | 2005-06-01 | 姚文斌 | Method for making bamboo fiber |
| CN101306547A (en) * | 2008-06-13 | 2008-11-19 | 昆明理工大学 | Method of treating fire retardant wood using microwave |
| CN101538744A (en) * | 2009-04-30 | 2009-09-23 | 福建建州竹业科技开发有限公司 | Method for producing bamboo fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1621580A (en) * | 2003-11-25 | 2005-06-01 | 姚文斌 | Method for making bamboo fiber |
| CN101306547A (en) * | 2008-06-13 | 2008-11-19 | 昆明理工大学 | Method of treating fire retardant wood using microwave |
| CN101538744A (en) * | 2009-04-30 | 2009-09-23 | 福建建州竹业科技开发有限公司 | Method for producing bamboo fiber |
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