CN100422396C - Method for making bamboo fiber - Google Patents
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- CN100422396C CN100422396C CNB2003101088261A CN200310108826A CN100422396C CN 100422396 C CN100422396 C CN 100422396C CN B2003101088261 A CNB2003101088261 A CN B2003101088261A CN 200310108826 A CN200310108826 A CN 200310108826A CN 100422396 C CN100422396 C CN 100422396C
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 169
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 169
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 169
- 241001330002 Bambuseae Species 0.000 title claims abstract description 168
- 239000011425 bamboo Substances 0.000 title claims abstract description 168
- 239000000835 fiber Substances 0.000 title claims abstract description 124
- 238000000034 method Methods 0.000 title abstract description 5
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- 238000000855 fermentation Methods 0.000 claims abstract description 11
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 45
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 24
- 239000004115 Sodium Silicate Substances 0.000 claims description 20
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 20
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 20
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 20
- 238000009835 boiling Methods 0.000 claims description 17
- 238000004140 cleaning Methods 0.000 claims description 17
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 15
- 239000011734 sodium Substances 0.000 claims description 15
- 229910052708 sodium Inorganic materials 0.000 claims description 15
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 12
- 235000017550 sodium carbonate Nutrition 0.000 claims description 12
- 230000029087 digestion Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 239000001488 sodium phosphate Substances 0.000 claims description 8
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 8
- 239000013638 trimer Substances 0.000 claims description 8
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 8
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims description 7
- 235000019345 sodium thiosulphate Nutrition 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 239000007844 bleaching agent Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000009987 spinning Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 229920005610 lignin Polymers 0.000 abstract description 3
- 238000010025 steaming Methods 0.000 abstract 4
- 244000025254 Cannabis sativa Species 0.000 abstract 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 abstract 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 abstract 2
- 235000009120 camo Nutrition 0.000 abstract 2
- 235000005607 chanvre indien Nutrition 0.000 abstract 2
- 239000011487 hemp Substances 0.000 abstract 2
- VQLYBLABXAHUDN-UHFFFAOYSA-N bis(4-fluorophenyl)-methyl-(1,2,4-triazol-1-ylmethyl)silane;methyl n-(1h-benzimidazol-2-yl)carbamate Chemical compound C1=CC=C2NC(NC(=O)OC)=NC2=C1.C=1C=C(F)C=CC=1[Si](C=1C=CC(F)=CC=1)(C)CN1C=NC=N1 VQLYBLABXAHUDN-UHFFFAOYSA-N 0.000 abstract 1
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- 241000209128 Bambusa Species 0.000 description 2
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- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
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Abstract
The present invention relates to a method for producing bamboo fibrils, which comprises coarse bamboo fibril production, fine bamboo fibril production and spinning bamboo fibril production, wherein the coarse bamboo fibril production comprises the following steps: bamboo cutting-off, bamboo fiber separation, bamboo hemp obtaining, heating, steaming and enzyme preparation fermentation; the fine bamboo fibril production comprises the following steps: heating, steaming, enzyme preparation fermention, washing, bleaching, acid treatment, oil immersion and airing; the spinning bamboo fibril production comprises the following steps: adding emulsion to obtained fine bamboo fibrils for health preservation and obtaining spinning bamboo fibrils through preliminary combing, fine combing and drawing. Additionally, during the heating and the steaming of the coarse bamboo fibril production, the bamboo hemp is immersed in 1<#> bating liquor to be heated and steamed; during the heating and the steaming of the fine bamboo fibril production, obtained coarse bamboo fibrils are put into 2<#> bating liquor to be heated and steamed. Furthermore, the lignin content of bamboo fibrils obtained by the present invention is less than 5%, and the fiber fineness and the intensity of the bamboo fibrils both reach a spinning requirement. The bamboo fibrils produced by the method not only keeps the characteristics of nature, green color, environmental protection, etc., but also has the advantages of high fiber strength and good toughness, and a bamboo fiber has the advantages of brighter lustre and elasticity.
Description
Technical field
The present invention relates to a kind of fiber preparation method, relate in particular to a kind of preparation method of bamboo fiber.
Background technology
Bamboo is the second-biggest-in-the-world forest reserves.About 2,000 ten thousand hectares of whole world bamboo grove area, it is very extensive to distribute, from the torrid zone to the subtropical zone, temperate zone even refrigerant latitudes all have distribution.Because of bamboo is grown soon, economic worth is high, large stretch of artificial bamboo grove has all successively appearred all over the world.China's bamboo plant resource is very abundant, no matter is first of the kind and the area Jun Ju Asian-Pacific area of bamboo.The main bamboo class of China have approximately 40 belong to, kind surplus 400, about more than 700 ten thousand hectares of bamboo grove area accounts for about 35% of world's bamboo grove area, the last 58% that accounts for the Asian-Pacific area.
Bamboo fiber is a raw material with natural bamboo, is a kind of Recycled Fibers truly.Fiber gloss is beautiful, has unique antibacterial deodourizing performance and good coloring, bounce-back property, drapability, ABRASION RESISTANCE, antibiotic property.The bamboo fiber cross section has been covered with big and small space, can be at transient absorption and transpiring moisture.Put on the clothes of manufacturing with bamboo fibre fabric hot summer, makes the people feel refrigerant especially, since the bamboo fiber special construction, the height of natural cross section " hollow ", and the expert claims that bamboo fibre is " can breathe " fiber.The bamboo fiber yarn is the green product of environmental protection.And with knitting, the woven fabric and the clothes of this yarn production, has the individual style that obviously is different from cotton, die model cellulose fibre, powerful high, wear-resisting, moisture absorption, soft, wear cool and comfortable, dyeability is good, and gloss is beautiful, and natural antibacterial effect is preferably arranged, and is knit fabric and the preferred raw materials of textiles next to the shin in summer.So bamboo fiber is subjected to the favor of international market, be not only the cause that is subjected to back to nature and source aithullium, the more important thing is that it has the incomparable advantage of aforesaid other fiber.
Bamboo fiber has superior performance and application prospects, and some patents of invention are once arranged, as: CN1415790, CN1406725, CN1375578, CN1390989, CN1083760 etc. proposed the preparation method of bamboo fiber.But existing bamboo fiber preparation method does not all relate to spinnable bamboo fiber manufacturing technique and method; and made bamboo fiber is limited by ring; the cellulignin content height of making; fibre fineness, brute force and toughness do not reach the requirement of textile yarn; and need special high-pressure equipment; extraction efficiency is not high, can not form the big production of scale.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of spinnable bamboo fiber.
The preparation method of a kind of bamboo fiber of the present invention, comprising system crude bamboo fiber, system fine bamboo fiber and spinnable bamboo fiber, wherein make crude bamboo fiber and comprise that former bamboo is cut off, the separation bamboo fibre obtains bamboo fiber crops, hot digestion, fermentation using enzyme, the system fine bamboo fiber comprises that hot digestion, fermentation using enzyme, cleaning bleaching, acid treatment, immersion oil dry, the system spinnable bamboo fiber comprises that the fine bamboo fiber that will obtain adds the emulsion health, through just comb, combing, drafting obtain, it is immersed in 1 with the bamboo fiber crops when the system crude bamboo fiber
#Hot digestion in the bating liquor, 1
#Bating liquor contains alkali, sodium metasilicate, sodium phosphate trimer and vulcanized sodium; During the system fine bamboo fiber is that the crude bamboo fiber that will obtain places 2
#Hot digestion in the bating liquor, 2
#Bating liquor contains NaOH, soda ash, sodium metasilicate, sodium thiosulfate and vulcanized sodium; Pass through the bamboo fibre separation equipment with former bamboo well-thought-out plan fiber crops after the former bamboo heating that will cut off when separating bamboo fibre, or draw tool marks, then with bamboo chip or the anti-drawing of thick bamboo tube part well-thought-out plan fiber crops at bamboo chip or the thick bamboo tube nexine of the former bamboo of cutting off; When hot digestion described in the fine bamboo fiber of system crude bamboo fiber and system is under normal pressure, and temperature is 90 ℃～100 ℃, boiling 2～5 hours, and bath raio is 5～25, or is 1～3kg/cm at pressure
2The time, its temperature is 110 ℃～140 ℃, boiling 1～3 hour, and bath raio is 5～25; 1
#Bating liquor contains alkali 5～100g/ liter, sodium metasilicate 1%～3%, sodium phosphate trimer 0.5%～2%, vulcanized sodium 0.5%～2%, and surplus is a water; Alkali wherein is a kind of or NaOH in NaOH, sodium carbonate, calcium carbonate, the potassium hydroxide and the mixture of sodium carbonate; 2
#Bating liquor contains NaOH 3～50g/ liter, soda ash 5～60g/ liter, sodium metasilicate 1%～3%, sodium thiosulfate 0.5%～2%, vulcanized sodium 0.5%～2%, and surplus is a water; The rinsing liquid that cleans bleaching is to contain the aqueous solution of 5% bleaching powder or contain 3%～5% hydrogen peroxide, 5～30g/ to rise the ammoniacal liquor and the aqueous solution of sodium metasilicate in right amount; Acid treatment employing concentration is 0.5%～5% sulfuric acid, hydrochloric acid or phosphoric acid.Wherein said percentage composition refers to weight percent content.
Beneficial effect of the present invention, solved the too high problem of bamboo fiber content of lignin in the prior art, the content of lignin of the bamboo fibre that comes out is lower than 5%, fibre fineness and intensity have all reached spinning requirement, characteristics such as natural, green, environmental protection have not only been kept with the bamboo fiber of this law preparation, and fiber strength height, good toughness, bamboo fibre have gloss and elasticity preferably, is fit to the weaving and the spindle technology of bamboo fiber, for the weaving of bamboo fiber is laid a good foundation.
Description of drawings
Fig. 1: the preparation method's of bamboo fiber of the present invention process chart
The specific embodiment
The present invention is further detailed by specific embodiment below in conjunction with Fig. 1.
Embodiment 1: choosing 1 year living cizu is raw material, cut off, be split into bamboo chip by ring, bamboo chip is placed on the heating furnace roasting 3 minutes, utilize the bamboo fibre separation equipment to make it under thermal stress and external mechanical force effect roasting good bamboo chip, produce big sex change, big strain, make " lateral stress " that bamboo fibre is subjected to greater than the gummed power between bamboo fibre, directly separate and extract thick bamboo fibre, then thick bamboo fibre is immersed in 60 ℃ of hot water 8 hours and takes out to dry in the air to 7 one-tenths and do, utilize the further softening separation bamboo fibre of mechanical means and remove impurity.Put it into then in the boiling pond, add and to contain 1 of NaOH 5g/ liter, sodium metasilicate 1%, sodium phosphate trimer 0.5%, vulcanized sodium 0.5%
#Bating liquor, bath raio 20, pressurization 1kg/cm
2Boiling under the condition, and maintain the temperature at 110 ℃, boiling 1 hour; After drying, cleaning select for use the 10 day time of fermentation using enzyme to take out again.Put into and contain 2 of NaOH 3g/ liter, soda ash 5g/ liter, sodium metasilicate 1%, sodium thiosulfate 0.5%, vulcanized sodium 0.5%
#Be heated to 90C ° under the normal pressure in the bating liquor, boiling 2 hours (bath raio 5), after selecting for use the 5 day time of fermentation using enzyme to take out after cleaning is dried again, put into the rinsing liquid (bath raio 5) (control pH value 11) that contains 3% hydrogen peroxide, 5g/ and rise ammoniacal liquor, 0.5% sodium metasilicate, after cleaning bleaching, carry out acid treatment, choose 0.5% sulfuric acid solution in the acid treatment, 10 minutes time, soak plant rape oil after cleaning with clear water again and dry and make smart bamboo fibre.At last, bamboo fibre was added the emulsion health 5 days (temperature is controlled at 35 ℃ and gets final product), take out and promptly obtain soft natural fine bamboo fiber.Fine bamboo fiber is added the emulsion health delivered from godown in 7 days, manually be beamed into 100g/ bundle, obtain spinnable bamboo fiber through first comb, combing, drafting again, boil and float, can make the bamboo fiber yarn after the spun yarn weaving through spinning rove, high temperature then.
Embodiment 2: choosing 1 year living cizu is raw material, according to the sawed-off one-tenth bamboo chip of standard ring, with bamboo chip only about half of be put on the heating furnace roasting white to the surf green burnt hair, roasting good bamboo chip is fixed on the workbench and at it draws tool marks (just draw and wear the tabasheer layer) with sharp knife at the bamboo chip nexine near 2cm place, bamboo end, utilize counter the drawing of part of bamboo fiber crops clamp clamps bamboo chip then, when isolating the internal layer tabasheer, the bamboo chip body is processed to not only the fiber of thin but also suede, repeat to clamp the anti-journey that is pulled through, treat an end completion of processing of whole bamboo chip, bamboo chip second half be put on the heating furnace roasting, the bamboo fibre that has separated is twined on the fixed leg, with the anti-other end that draws of hand, finish bamboo fiber crops processing back and the ring place is cut off with cutter, be made into the bamboo fiber crops.Then the bamboo fiber crops are immersed in the water 48 hours and take out and dry, and utilize mechanical means further to separate bamboo fibre and remove impurity after put into the boiling pond, add and contain 1 of NaOH 20g/ liter, sodium metasilicate 2%, sodium phosphate trimer 1%, vulcanized sodium 2%
#Bating liquor, bath raio 15, hot digestion and maintain the temperature at 100C °, boiling 3 hours under the normal pressure; After drying, cleaning select for use the 7 day time of fermentation using enzyme to take out again.Put into and contain 2 of NaOH 30g/ liter, soda ash 40g/ liter, sodium metasilicate 2%, sodium thiosulfate 2%, vulcanized sodium 2%
#Be heated to 100 ℃ under the normal pressure in the bating liquor, boiling 3 hours (bath raio 20), after selecting for use the 5 day time of fermentation using enzyme to take out after cleaning is dried again, put into the rinsing liquid (bath raio 15) (control pH value 11.5) that contains 5% bleaching powder, after cleaning bleaching, use acid treatment, choose 4% sulfuric acid solution in the acid treatment, 15 minutes time, soak castor oil after cleaning with clear water again and dry and make smart bamboo fibre.At last, bamboo fibre was added the emulsion health 7 days (temperature is controlled at 32C ° and gets final product), take out and promptly obtain soft natural fine bamboo fiber.Fine bamboo fiber is added the emulsion health delivered from godown in 10 days, manually be beamed into the 100g/ bundle, again through making spinnable bamboo fiber behind first comb, combing, the drafting.
Embodiment 3: choosing 1～2 year living bambusa texlitis is raw material, sawed-off according to 3 standard rings, removes surf green, and thick bamboo tube was put on the heating furnace roasting 3 minutes, utilizes bamboo fibre separation and Extraction equipment that bamboo fibre is separated in roasting good thick bamboo tube and extracts thick bamboo fibre.Then thick bamboo fibre is immersed in 60 ℃ of hot water 24 hours and takes out to dry in the air to 7 one-tenths and do, utilize the further softening separation bamboo fibre of mechanical means and remove impurity.Put it into then in the boiling pond, add 1 of NaOH 20g/ liter, 40 g/ liters of sodium carbonate, sodium metasilicate 3%, sodium phosphate trimer 2%, vulcanized sodium 2%
#Bating liquor, bath raio 25, and maintain the temperature at 100 ℃, boiling is 5 hours under the normal pressure, selects for use the 7 day time of fermentation using enzyme to take out again after cleaning is dried.Put into and contain 2 of NaOH 50g/ liter, soda ash 60g/ liter, sodium metasilicate 3%, sodium thiosulfate 2%, vulcanized sodium 2%
#Be heated to 100 ℃ in the bating liquor, boiling 3 hours (bath raio 20), put into the aqueous solution (bath raio 20) (the control pH value 12) rinsing that contains 10% hydrogen peroxide, 30g/ and rise ammoniacal liquor and 0.5% sodium metasilicate then, after cleaning bleaching, use acid treatment, choose 5% hydrochloric acid solution in the acid treatment, 10 minutes time, white pickling oil dries and makes smart bamboo fibre after cleaning with clear water again.At last, bamboo fibre was added the emulsion health 5 days (temperature is controlled at 35 ℃ and gets final product), take out and promptly obtain soft natural fine bamboo fiber.Fine bamboo fiber is added the emulsion health delivered from godown in 7 days, manually be beamed into the 100g/ bundle, again through making the spinnable bamboo fiber bar behind first comb, combing, health, the drafting.
Embodiment 4: choosing 1.5 years setation bamboos is raw material, sawed-off according to 10 standard rings, is split into 5cm left and right sides bamboo bar with stripping-cutting machine, rives into surf green and tabasheer with two-sided trimmer, and it is put into the 2.5kg/cm that pressurizes in the heating bath respectively
2And being incubated about 120 ℃, boiling 3 hours utilizes bamboo fibre separation and Extraction equipment to make it under thermal stress and the effect of exterior mechanical external force well-done bamboo bar, directly separates thick bamboo fibre.Utilize the further softening separation bamboo fibre of mechanical means then and remove impurity.Put it into again in the boiling pond, add and to contain 1 of NaOH 50g/ liter, sodium metasilicate 2%, sodium phosphate trimer 1%, vulcanized sodium 1%
#Bating liquor, bath raio 15, pressurization 3kg/cm
2And maintaining the temperature at 120 ℃, boiling 2.5 hours selects for use the 8 day time of fermentation using enzyme to take out after cleaning is dried again.Put into the rinsing liquid (bath raio 12) (control pH value 12) that contains 8% hydrogen peroxide, ammoniacal liquor 18g/ liter and 1% sodium metasilicate, after cleaning bleaching, use acid treatment, choose 3% phosphoric acid solution in the acid treatment, 5 minutes time, soak plant rape oil after cleaning with clear water again and dry and make smart bamboo fibre.At last, bamboo fibre was added the emulsion health 10 days (temperature is controlled at 32 ℃ and gets final product), take out and promptly obtain soft natural fine bamboo fiber.Fine bamboo fiber is added the emulsion health delivered from godown in 7 days, manually be beamed into 120g/ bundle, again through first comb, combing, drafting, spin rove, high temperature and boil and float, can make the bamboo fiber yarn after the spun yarn weaving.
Claims (8)
1. the preparation method of a bamboo fiber, comprising system crude bamboo fiber, system fine bamboo fiber and system spinnable bamboo fiber, wherein make crude bamboo fiber and comprise that former bamboo is cut off, the separation bamboo fibre obtains bamboo fiber crops, hot digestion, fermentation using enzyme, the system fine bamboo fiber comprises that hot digestion, fermentation using enzyme, cleaning bleaching, acid treatment, immersion oil dry; The system spinnable bamboo fiber comprises that the fine bamboo fiber that will obtain adds the emulsion health, obtains through first comb, combing, drafting, it is characterized in that when the system crude bamboo fiber bamboo fiber crops being immersed in 1
#Hot digestion in the bating liquor, 1
#Bating liquor contains alkali, sodium metasilicate, sodium phosphate trimer and vulcanized sodium; During the system fine bamboo fiber is that the crude bamboo fiber that will obtain places 2
#Hot digestion in the bating liquor, 2
#Bating liquor contains NaOH, soda ash, sodium metasilicate, sodium thiosulfate and vulcanized sodium.
2. the preparation method of a kind of bamboo fiber according to claim 1, the bamboo fibre separation equipment is passed through with former bamboo well-thought-out plan fiber crops in the former bamboo heating back that will cut off when it is characterized in that separating bamboo fibre, or draw tool marks at bamboo chip or the thick bamboo tube nexine of the former bamboo of cutting off, draw the well-thought-out plan fiber crops with bamboo chip or thick bamboo tube part are anti-then.
3. the preparation method of a kind of bamboo fiber according to claim 1, it is characterized in that when hot digestion described in the fine bamboo fiber of system crude bamboo fiber and system be under normal pressure, temperature is 90 ℃～100 ℃, boiling 2～5 hours; bath raio is 5～25, or is 1～3kg/cm at pressure
2The time, its temperature is 110 ℃～140 ℃, boiling 1～3 hour, and bath raio is 5～25.
4. the preparation method of a kind of bamboo fiber according to claim 1 is characterized in that 1
#Bating liquor contains alkali 5～100g/ liter, sodium metasilicate 1%～3%, sodium phosphate trimer 0.5%～2%, vulcanized sodium 0.5%～2%, and surplus is a water.
5. the preparation method of a kind of bamboo fiber according to claim 1 is characterized in that 1
#Alkali in the bating liquor is a kind of or NaOH in NaOH, sodium carbonate, calcium carbonate, the potassium hydroxide and the mixture of sodium carbonate.
6. the preparation method of a kind of bamboo fiber according to claim 1 is characterized in that 2
#Bating liquor contains NaOH 3～50g/ liter, soda ash 5～60g/ liter, sodium metasilicate 1%～3%, sodium thiosulfate 0.5%～2%, vulcanized sodium 0.5%～2%, and surplus is a water.
7. the preparation method of a kind of bamboo fiber according to claim 1, the rinsing liquid that it is characterized in that cleaning bleaching is to contain the aqueous solution of 5% bleaching powder or contain the aqueous solution that 3%～10% hydrogen peroxide, 5～30g/ rise ammoniacal liquor and an amount of sodium metasilicate.
8. the preparation method of a kind of bamboo fiber according to claim 1, adopting concentration when it is characterized in that acid treatment is 0.5%～5% sulfuric acid, hydrochloric acid or phosphoric acid.
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|---|---|---|---|
| CNB2003101088261A CN100422396C (en) | 2003-11-25 | 2003-11-25 | Method for making bamboo fiber |
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|---|---|---|---|
| CNB2003101088261A CN100422396C (en) | 2003-11-25 | 2003-11-25 | Method for making bamboo fiber |
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| CN1621580A CN1621580A (en) | 2005-06-01 |
| CN100422396C true CN100422396C (en) | 2008-10-01 |
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Families Citing this family (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395396C (en) * | 2005-08-04 | 2008-06-18 | 东华大学 | Chemical softening technology of flax |
| CN100381620C (en) * | 2005-12-26 | 2008-04-16 | 苏州市利飞纺织品有限公司 | Preparation of original bamboo fiber by bioenzyme method |
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