CN103668519A - Multifunctional cellulose fiber and preparation method thereof - Google Patents
Multifunctional cellulose fiber and preparation method thereof Download PDFInfo
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- CN103668519A CN103668519A CN201310647195.4A CN201310647195A CN103668519A CN 103668519 A CN103668519 A CN 103668519A CN 201310647195 A CN201310647195 A CN 201310647195A CN 103668519 A CN103668519 A CN 103668519A
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Abstract
The invention discloses a multifunctional cellulose fiber and a preparation method thereof. The multifunctional cellulose fiber contains cellulose, Ag / SiO2, ZrO2, Fe2O3 and polysilicic acid. The preparation method comprises the following steps: (1) adding ZrO2, Ag / SiO2 and Fe2O3 into deionized water and adding a dispersing agent for even dispersion to prepare a multifunctional additive mother liquor; (2) preparing sodium metasilicate into a sodium metasilicate solution by using deionized water; (3) adding the sodium metasilicate solution into a viscose glue solution in any step after yellowing and before filtering, adding the multifunctional additive mother liquor into the spinning viscose glue to obtain a multifunctional blending viscose solution; and (4) conducting spinning moulding and posttreatment on the multifunctional blending viscose solution to obtain the multifunctional cellulose fiber. The multifunctional cellulose fiber provided by the invention has the functions of flame retardance, antibiosis and far infrared generation, and can be widely applied to textile and nonwoven fabrics in household and public places.
Description
Technical field
The present invention relates to functional cellulose fibre technology field, be specifically related to a kind of multifunctional fibre cellulose fiber.
Background technology
Fire resistant viscose fiber is because having not the incomparable premium properties of synthetic fiber such as molten drop, biodegradable, moisture absorption is ventilative, thereby there is good development prospect, development in recent years is rapid, market scale constantly expands, Application Areas constantly extends to drapery, Work Clothes and the fireproof-clothes of home-use textiles, toy for children, the vehicles, public place, military and industrial coat, underwear, Heat-preventing clothes lining etc.
Along with more and more stricter to the fire-retardant requirements such as drapery of household textiles, public place in the world, to the demand of fire resistance fibre and textiles thereof also in continuous expansion, many product anti-flammability indexs are as a kind of enforceable product standard, and it is also a basic function of product that anti-flammability requires.
The market demand has expedited the emergence of the production development of fire resistance fibre, and the Fire resistant viscose fiber on market mainly contains several series such as silicon system, phosphorus system, phosphorus nitrogen system, but majority only possesses anti-flaming function, has other favourable functional product of health is seldom occurred.Along with improving constantly of people's living standard, the functionalization of product is required also improving, single anti-flaming function is the prerequisite basic function of product, under the prerequisite of anti-flaming function, there is again other function meeting, as restraining and sterilizing bacteria, far infrared, anion etc., will inevitably be subject to consumer's favor, and exactly lack the especially product of multifunctional fibre cellulose fiber of this type of multifunctional fibre at present on market.
Summary of the invention
First technical problem to be solved by this invention is: the problem for the shortage multifunctional fibre cellulose fiber existing in prior art, a kind of multifunctional fibre cellulose fiber is provided, and this cellulose fibre has fire-retardant, antibacterial and far infrared generation several functions.
Second technical problem to be solved by this invention is: for the problem of the shortage multifunctional fibre cellulose fiber existing in prior art, a kind of preparation method of multifunctional fibre cellulose fiber is provided, and cellulose fibre prepared by the method has fire-retardant, antibacterial and far infrared generation several functions.
For solving above-mentioned first technical problem, technical scheme of the present invention is:
A multifunctional fibre cellulose fiber, contains cellulose, Ag/SiO in described multifunctional fibre cellulose fiber
2, ZrO
2, Fe
2o
3with poly-silicic acid.
Further, in described multifunctional fibre cellulose fiber, by weight percentage, contain: Ag/SiO
20.5～3.5%(presses SiO
2meter), ZrO
21.2～6.5%, Fe
2o
30.02～0.1%, poly-silicic acid 13.5～35%, cellulose 56～84%.
For solving above-mentioned second technical problem, technical scheme of the present invention is:
A preparation method for multifunctional fibre cellulose fiber, comprises following steps:
(1) prepare multi-functional interpolation mother liquor: by ZrO
2, Ag/SiO
2, Fe
2o
3join in deionized water and mix, add dispersant to be uniformly dispersed, be made into multi-functional interpolation mother liquor.
(2) prepare solution of sodium metasilicate through: sodium metasilicate is mixed with to solution of sodium metasilicate through with deionized water.
(3) preparation of cellulose viscose glue: employing cellulose pulp is raw material, through comprising that dipping, squeezing, pulverizing, experienced, yellow step make cellulose viscose solution, and then make spinning viscose through dissolving, deaeration and filtration step.
(4) prepare multi-functional blend viscose solution: the solution of sodium metasilicate through that step (2) is obtained joins in step (3) yellow finish after to the viscose solution filtering in arbitrary step, the addition of sodium metasilicate (is pressed SiO
2meter) be in cellulose sulfonate first fibre quality 15～50%, add after sodium metasilicate and contain first fibre 8～15wt% in cellulose yellow acid fat, alkali 5～10wt%, viscosity 30～70s(falling ball viscosity), multi-functional interpolation mother liquor is joined in spinning viscose before spinning to Ag/SiO in described multi-functional interpolation mother liquor by injection before spinning
2, ZrO
2, Fe
2o
3addition be respectively 0.5～5%, 1.2～10% and 0.02～1% of the fine quality of first in spinning viscose, obtain described multi-functional blend viscose solution.
(5) co-blended spinning: by the spinning in coagulating bath of described multi-functional blend viscose solution, draw forming, then through comprising that washing, desulfurization, the post-processing step oiling obtain described multifunctional fibre cellulose fiber.
Preferred a kind of technical scheme, by described Ag/SiO
2, ZrO
2, Fe
2o
3by the weight ratio of 0.5～5:1.2～10:0.02～1, join in deionized water and mix, add dispersant to be uniformly dispersed, be made into multi-functional interpolation mother liquor.
Preferably, in described multi-functional interpolation mother liquor the addition of Ag be in cellulose sulfonate the fine quality of first 0.1～1%, the particle diameter of described Ag is 0.02～0.5 μ m, described ZrO
2and Fe
2o
3particle diameter be 0.1～1 μ m.
Preferably, the temperature of described coagulating bath is 40～60 ℃, contains sulfuric acid 90～150g/l, zinc sulfate 5～50g/l, sodium sulphate 270～350g/l in described coagulating bath.
Preferably, the total stretch ratio of described drawing-off is 10～300%.
Preferably, described dispersant is anion surfactant or amphoteric surfactant.
As further preferred, described dispersant is at least one in sodium alkyl benzene sulfonate, sodium alkyl sulfate or alkyl ethoxy sulfobetaines.
As a kind of improvement, during described desulfurization, use sodium sulfite as desulfurizing agent, the concentration 5～15g/l of described sodium sulfite, 80～95 ℃ of temperature.
Owing to having adopted technique scheme, the invention has the beneficial effects as follows:
In multifunctional fibre cellulose fiber of the present invention, contain cellulose, Ag/SiO
2, ZrO
2, Fe
2o
3with poly-silicic acid, wherein, Ag/SiO
2as a kind of antibiotic bactericide, given cellulosic fibrous product antibacterial functions, and utilize that to contain the silver that silver-colored inorganic antiseptic is prepared from be that the anti-bacterial fibre that anti-bacterial fibre is prepared with organic antibacterial agent is compared, poor heat resistance, easily stripping, the long-term shortcoming that easily produces drug resistance of using of organic anti-bacterial finishing agent have been overcome, compare organic antibacterial agent and there is the features such as broad-spectrum antiseptic, efficient, lasting and high safety, therefore can be widely used in medical treatment, clothes, family and the every field such as spin, and in the present invention by ZrO
2, SiO
2, Fe
2o
3be used in combination, make product possess again far infrared generation effect, have and absorb and emitting far-infrared function, fiber is in use launched the far infrared of certain wavelength, can absorb the far infrared of the radiation such as sunlight or human body simultaneously, make self temperature rising, there is special health care, physical therapy function, its far infrared mechanism of production: a lot of inorganic compounds, as oxide, carbide, borides etc. all have far infrared radiation characteristic, what often select is oxide, as alundum (Al2O3), zinc oxide, zirconia, magnesia, titanium dioxide and silica etc., because far infrared radiation is the result of lattice vibration, a kind of material can not all have compared with high radiant rate one section of wave-length coverage, therefore can utilize the complementary effect of multiple material, therefore select the mixture of multiple above-mentioned substance, do far-infrared functional material, the preferred ZrO of the present invention
2, SiO
2, Fe
2o
3be used in combination, due to ZrO
2, SiO
2, Fe
2o
3all high temperature resistant, three enters in fiber, also helps the fire-retardant and resistance to elevated temperatures that improves fiber.
The sodium metasilicate adding in the present invention resolves into silicic acid in coagulating bath, and silicic acid further aggregates into poly-silicic acid, and the fire retardant composition that plays fire retardation in fiber is poly-silicic acid, the ZrO adding at the same time
2, SiO
2, Fe
2o
3synergy under, make fiber there is higher resistance to elevated temperatures and further improved flame retardant effect, simultaneously when fiber burns, can not produce toxic gas again, only produce a small amount of smog and CO, CO
2gas, the several functions such as therefore, that cellulose fibre of the present invention not only possesses is fire-retardant, antibacterial, far infrared generation, and also it is the in the situation that of same addition, than independent silicon-series five-retardant, has better high temperature resistant and flame retardant effect.
The several functions such as that multifunctional fibre cellulose fiber of the present invention has is simultaneously fire-retardant, antibacterial, far infrared generation, can be widely used in weaving and the non-woven fabrics such as family expenses, public place, to improving environmental condition, promote that user is healthy, play good action.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.
Embodiment 1
A multifunctional fibre cellulose fiber, by weight percentage, contains: Ag/SiO in described over dry multifunctional fibre cellulose fiber
21.0%(presses SiO
2meter), ZrO
21.5%, Fe
2o
30.05%, poly-silicic acid 15.5%, cellulose 81.95%.
Embodiment 2
A multifunctional fibre cellulose fiber, by weight percentage, contains: Ag/SiO in described over dry multifunctional fibre cellulose fiber
23.0%(presses SiO
2meter), ZrO
23.5%, Fe
2o
30.08%, poly-silicic acid 25%, cellulose 68.42%.
Embodiment 3
A multifunctional fibre cellulose fiber, by weight percentage, contains: Ag/SiO in described over dry multifunctional fibre cellulose fiber
22.5%(presses SiO
2meter), ZrO
25.5%, Fe
2o
30.1%, poly-silicic acid 30%, cellulose 61.9%.
Embodiment 4
A preparation method for multifunctional fibre cellulose fiber, comprises following steps:
(1) by ZrO
2, Ag/SiO
2, Fe
2o
3join in deionized water and mix, add anion surfactant to be uniformly dispersed, be made into multi-functional interpolation mother liquor.
(2) sodium metasilicate is mixed with to solution of sodium metasilicate through with deionized water.
(3) adopting cellulose pulp is raw material, through comprising that dipping, squeezing, pulverizing, experienced, yellow step make cellulose viscose solution, and then make spinning viscose through dissolving, deaeration and filtration step.
(4) solution of sodium metasilicate through step (2) being obtained joins in the viscose solution after the middle yellow of step (3) finishes, and the addition of sodium metasilicate (is pressed SiO
2meter) be in cellulose sulfonate first fibre quality 20%, add and in cellulose yellow acid fat, contain the fine 9.2wt% of first after sodium metasilicate, alkali 7.5wt%, the viscosity that viscosity 40s(falling ball method is measured), multi-functional interpolation mother liquor is joined in spinning viscose before spinning to Ag/SiO in described multi-functional interpolation mother liquor by injection before spinning
2, ZrO
2, Fe
2o
3addition be respectively 1%, 8% and 1% of the fine quality of first in spinning viscose, in described multi-functional interpolation mother liquor the addition of Ag be in cellulose sulfonate the fine quality of first 0.6%, with spinning viscose through static or dynamically mix and obtain described multi-functional blend viscose solution.
(5), by the spinning in coagulating bath of described multi-functional blend viscose solution, draw forming, then after washing, desulfurization, the post processing that oils, obtain described multifunctional fibre cellulose fiber.
Embodiment 5
A preparation method for multifunctional fibre cellulose fiber, comprises following steps:
(1) by ZrO
2, Ag/SiO
2, Fe
2o
3join in deionized water and mix, add dispersant sodium alkyl benzene sulfonate to be uniformly dispersed, be made into multi-functional interpolation mother liquor.
(2) sodium metasilicate is mixed with to solution of sodium metasilicate through with deionized water.
(3) adopting cellulose pulp is raw material, through comprising that dipping, squeezing, pulverizing, experienced, yellow step make cellulose viscose solution, and then make spinning viscose through dissolving, deaeration and filtration step.
(4) solution of sodium metasilicate through step (2) being obtained joins yellow in step (3) to be finished in the viscose solution in rear dissolving step, and the addition of sodium metasilicate (is pressed SiO
2meter) be in cellulose sulfonate first fibre quality 30%, add and in cellulose yellow acid fat, contain the fine 12wt% of first after sodium metasilicate, alkali 10wt%, the viscosity that viscosity 65s(falling ball method is measured), multi-functional interpolation mother liquor is joined in spinning viscose before spinning to Ag/SiO in described multi-functional interpolation mother liquor by injection before spinning
2, ZrO
2, Fe
2o
3addition be respectively 3%, 6% and 0.5% of the fine quality of first in spinning viscose, in described multi-functional interpolation mother liquor the addition of Ag be in cellulose sulfonate the fine quality of first 0.88%, through dynamically mixing, obtain described multi-functional blend viscose solution with spinning viscose.
(5) by the spinning in coagulating bath of described multi-functional blend viscose solution, draw forming, then after washing, desulfurization, the post processing that oils, obtain described multifunctional fibre cellulose fiber, during desulfurization, use sodium sulfite as desulfurizing agent, the concentration 9g/l of described sodium sulfite, 85 ℃ of temperature.
Embodiment 6
A preparation method for multifunctional fibre cellulose fiber, comprises following steps:
(1) by ZrO
2, Ag/SiO
2, Fe
2o
3join in deionized water and mix, the particle diameter of described Ag is 0.02～0.05 μ m, described ZrO
2, and Fe
2o
3particle diameter be 0.1～0.5 μ m, add dispersant sodium alkyl sulfate to be uniformly dispersed, be made into multi-functional interpolation mother liquor.
(2) sodium metasilicate is mixed with to solution of sodium metasilicate through with deionized water.
(3) adopting cellulose pulp is raw material, through comprising that dipping, squeezing, pulverizing, experienced, yellow step make cellulose viscose solution, and then make spinning viscose through dissolving, deaeration and filtration step.
(4) solution of sodium metasilicate through step (2) being obtained joins yellow in step (3) to be finished in the viscose solution in rear course of dissolution, and the addition of sodium metasilicate (is pressed SiO
2meter) be in cellulose sulfonate first fibre quality 35%, add and in cellulose yellow acid fat, contain the fine 10wt% of first after sodium metasilicate, alkali 7.5wt%, the viscosity that viscosity 45s(falling ball method is measured), multi-functional interpolation mother liquor is joined in spinning viscose before spinning to Ag/SiO in described multi-functional interpolation mother liquor by injection before spinning
2, ZrO
2, Fe
2o
3addition be respectively 2.5%, 4.5% and 0.2% of the fine quality of first in spinning viscose, wherein in multi-functional interpolation mother liquor the addition of Ag be in cellulose sulfonate the fine quality of first 0.25%, through static mixing, evenly obtain described multi-functional blend viscose solution with spinning viscose.
(5) by the spinning in coagulating bath of described multi-functional blend viscose solution, draw forming, then after washing, desulfurization, the post processing that oils, obtain described multifunctional fibre cellulose fiber, during desulfurization, use sodium sulfite as desulfurizing agent, the concentration 12g/l of described sodium sulfite, 85 ℃ of temperature.
Embodiment 7
A preparation method for multifunctional fibre cellulose fiber, comprises following steps:
(1) by ZrO
2, Ag/SiO
2, Fe
2o
3join in deionized water and mix, the particle diameter of described Ag is 0.02～0.1 μ m, described ZrO
2, and Fe
2o
3particle diameter be 0.1～0.58 μ m, add dispersant alkyl ethoxy sulfobetaines to be uniformly dispersed, be made into multi-functional interpolation mother liquor.
(2) sodium metasilicate is mixed with to solution of sodium metasilicate through with deionized water.
(3) adopting cellulose pulp is raw material, through comprising that dipping, squeezing, pulverizing, experienced, yellow step make cellulose viscose solution, and then make spinning viscose through dissolving, deaeration and filtration step.
(4) solution of sodium metasilicate through step (2) being obtained joins in the viscose solution after the middle yellow of step (3) finishes, and the addition of sodium metasilicate (is pressed SiO
2meter) be in cellulose sulfonate first fibre quality 25%, add and in cellulose yellow acid fat, contain the fine 15wt% of first after sodium metasilicate, alkali 6wt%, the viscosity that viscosity 50s(falling ball method is measured), multi-functional interpolation mother liquor is joined in spinning viscose before spinning to Ag/SiO in described multi-functional interpolation mother liquor by injection before spinning
2, ZrO
2, Fe
2o
3addition be respectively 4.5%, 5% and 0.06% of the fine quality of first in spinning viscose, wherein in multi-functional interpolation mother liquor the addition of Ag be in cellulose sulfonate the fine quality of first 1.0%, with spinning viscose through static or dynamically mix and obtain described multi-functional blend viscose solution.
(5) by the spinning in coagulating bath of described multi-functional blend viscose solution, draw forming, then after washing, desulfurization, the post processing that oils, obtain described multifunctional fibre cellulose fiber, the temperature of described coagulating bath is 49 ℃, contains sulfuric acid 120g/l, zinc sulfate 10g/l, sodium sulphate 290g/l in described coagulating bath; The total stretch ratio of described drawing-off is 30%; During desulfurization, use sodium sulfite as desulfurizing agent, the concentration 10g/l of described sodium sulfite, 85 ℃ of temperature.
Embodiment 8
A preparation method for multifunctional fibre cellulose fiber, comprises following steps:
(1) by ZrO
2, Ag/SiO
2, Fe
2o
3by the weight ratio of 4:3:0.6, join in deionized water and mix, the particle diameter of described Ag is 0.02～0.5 μ m, described ZrO
2, and Fe
2o
3particle diameter be 0.1～1 μ m, add dispersant sodium alkyl benzene sulfonate and sodium alkyl sulfate to be uniformly dispersed, be made into multi-functional interpolation mother liquor.
(2) sodium metasilicate is mixed with to solution of sodium metasilicate through with deionized water.
(3) adopting cellulose pulp is raw material, through comprising that dipping, squeezing, pulverizing, experienced, yellow step make cellulose viscose solution, and then make spinning viscose through dissolving, deaeration and filtration step.
(4) solution of sodium metasilicate through step (2) being obtained joins after the middle dissolving of step (3), in the viscose solution before deaeration, and the addition of sodium metasilicate (is pressed SiO
2meter) be in cellulose sulfonate first fibre quality 40%, add and in cellulose yellow acid fat, contain the fine 11.5wt% of first after sodium metasilicate, alkali 8.6wt%, the viscosity that viscosity 55s(falling ball method is measured), multi-functional interpolation mother liquor is joined in spinning viscose before spinning to Ag/SiO in described multi-functional interpolation mother liquor by injection before spinning
2, ZrO
2, Fe
2o
3addition be respectively 4%, 3% and 0.6% of the fine quality of first in spinning viscose, wherein in multi-functional interpolation mother liquor the addition of Ag be in cellulose sulfonate the fine quality of first 0.9%, with spinning viscose through static or dynamically mix and obtain described multi-functional blend viscose solution.
(5) by the spinning in coagulating bath of described multi-functional blend viscose solution, draw forming, then after washing, desulfurization, the post processing that oils, obtain described multifunctional fibre cellulose fiber, the temperature of described coagulating bath is 55 ℃, contains sulfuric acid 120g/l, zinc sulfate 15g/l, sodium sulphate 320g/l in described coagulating bath; The total stretch ratio of described drawing-off is 55%; During desulfurization, use sodium sulfite as desulfurizing agent, the concentration 12g/l of described sodium sulfite, 90 ℃ of temperature.
Comparative example 1
Comparative example 1 is with the difference of embodiment 7: there is no step (1), and only add solution of sodium metasilicate through in step (4), do not add Ag/SiO
2, ZrO
2, Fe
2o
3multi-functional interpolation mother liquor, all the other are all identical.
The performance indications of the viscose of embodiment 4-8 and comparative example 1 preparation see the following form.
Claims (10)
1. a multifunctional fibre cellulose fiber, is characterized in that containing cellulose, Ag/SiO in described multifunctional fibre cellulose fiber
2, ZrO
2, Fe
2o
3with poly-silicic acid.
2. multifunctional fibre cellulose fiber as claimed in claim 1, is characterized in that in described multifunctional fibre cellulose fiber by weight percentage, containing: Ag/SiO
20.5～3.5%(presses SiO
2meter), ZrO
21.2～6.5%, Fe
2o
30.02～0.1%, poly-silicic acid 13.5～35%, cellulose 56～84%.
3. a preparation method for multifunctional fibre cellulose fiber, is characterized in that comprising following steps:
(1) prepare multi-functional interpolation mother liquor: by ZrO
2, Ag/SiO
2, Fe
2o
3join in deionized water and mix, add dispersant to be uniformly dispersed, be made into multi-functional interpolation mother liquor;
(2) prepare solution of sodium metasilicate through: sodium metasilicate is mixed with to solution of sodium metasilicate through with deionized water;
(3) preparation of cellulose viscose glue: employing cellulose pulp is raw material, through comprising that dipping, squeezing, pulverizing, experienced, yellow step make cellulose viscose solution, and then make spinning viscose through dissolving, deaeration and filtration step;
(4) prepare multi-functional blend viscose solution: the solution of sodium metasilicate through that step (2) is obtained joins in step (3) yellow finish after to the viscose solution filtering in arbitrary step, the addition of sodium metasilicate (is pressed SiO
2meter) be in cellulose sulfonate the fine quality of first 15～50%, by multi-functional interpolation mother liquor before spinning by injecting and join in spinning viscose before spinning, Ag/SiO in described multi-functional interpolation mother liquor
2, ZrO
2, Fe
2o
3addition be respectively 0.5～5%, 1.2～10% and 0.02～1% of the fine quality of first in spinning viscose, obtain described multi-functional blend viscose solution;
(5) co-blended spinning: by the spinning in coagulating bath of described multi-functional blend viscose solution, draw forming, then through comprising that washing, desulfurization, the post-processing step oiling obtain described multifunctional fibre cellulose fiber.
4. the preparation method of a kind of multifunctional fibre cellulose fiber as claimed in claim 3, is characterized in that: by described Ag/SiO
2, ZrO
2, Fe
2o
3by the weight ratio of 0.5～5:1.2～10:0.02～1, join in deionized water and mix, add dispersant to be uniformly dispersed, be made into multi-functional interpolation mother liquor.
5. the preparation method of a kind of multifunctional fibre cellulose fiber as claimed in claim 3, it is characterized in that: in described multi-functional interpolation mother liquor the addition of Ag be in cellulose sulfonate the fine quality of first 0.1～1%, the particle diameter of described Ag is 0.02～0.5 μ m, described ZrO
2and Fe
2o
3particle diameter be 0.1～1 μ m.
6. the preparation method of a kind of multifunctional fibre cellulose fiber as claimed in claim 3, is characterized in that: the temperature of described coagulating bath is 40～60 ℃, contains sulfuric acid 90～150g/l, zinc sulfate 5～50g/l, sodium sulphate 270～350g/l in described coagulating bath.
7. the preparation method of a kind of multifunctional fibre cellulose fiber as claimed in claim 3, is characterized in that: the total stretch ratio of described drawing-off is 10～300%.
8. the preparation method of a kind of multifunctional fibre cellulose fiber as described in claim as arbitrary in claim 3 to 7, is characterized in that: described dispersant is anion surfactant or amphoteric surfactant.
9. the preparation method of a kind of multifunctional fibre cellulose fiber as claimed in claim 8, is characterized in that: described dispersant is at least one in sodium alkyl benzene sulfonate, sodium alkyl sulfate or alkyl ethoxy sulfobetaines.
10. the preparation method of a kind of multifunctional fibre cellulose fiber as claimed in claim 8, is characterized in that: during described desulfurization, use sodium sulfite as desulfurizing agent, the concentration 5～15g/l of described sodium sulfite, 80～95 ℃ of temperature.
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|---|---|---|---|
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|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948021A (en) * | 2017-05-04 | 2017-07-14 | 冯志容 | A kind of preparation method of Multifunctional silk fiber |
| CN108330553A (en) * | 2018-01-19 | 2018-07-27 | 赛得利(九江)纤维有限公司 | A kind of preparation method of Tai Ji mineral wool cellulose fiber |
-
2013
- 2013-12-04 CN CN201310647195.4A patent/CN103668519B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948021A (en) * | 2017-05-04 | 2017-07-14 | 冯志容 | A kind of preparation method of Multifunctional silk fiber |
| CN108330553A (en) * | 2018-01-19 | 2018-07-27 | 赛得利(九江)纤维有限公司 | A kind of preparation method of Tai Ji mineral wool cellulose fiber |
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| CN103668519B (en) | 2015-09-30 |
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Effective date of registration: 20211206 Address after: 224400 Jiangsu Yancheng Funing high tech Industrial Development Zone Aoyang Avenue Saideli (Yancheng) Fiber Co., Ltd Patentee after: Saideli (Yancheng) Fiber Co.,Ltd. Address before: 224400 No. 1, Aoyang Avenue, Aoyang Industrial Park, Funing County, Yancheng City, Jiangsu Province Patentee before: FUNING AOYANG TECHNOLOGY CO.,LTD. |
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