CN101215726A - Method for preparing flame-proof viscose fiber - Google Patents
Method for preparing flame-proof viscose fiber Download PDFInfo
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- CN101215726A CN101215726A CNA2007101165124A CN200710116512A CN101215726A CN 101215726 A CN101215726 A CN 101215726A CN A2007101165124 A CNA2007101165124 A CN A2007101165124A CN 200710116512 A CN200710116512 A CN 200710116512A CN 101215726 A CN101215726 A CN 101215726A
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- fire retardant
- fiber
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- 239000000835 fiber Substances 0.000 title claims abstract description 44
- 229920000297 Rayon Polymers 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000003063 flame retardant Substances 0.000 claims abstract description 63
- 238000009987 spinning Methods 0.000 claims abstract description 36
- 239000000839 emulsion Substances 0.000 claims abstract description 21
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 20
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical group [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 claims abstract description 15
- 235000011180 diphosphates Nutrition 0.000 claims abstract description 15
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000002270 dispersing agent Substances 0.000 claims abstract description 9
- 239000004094 surface-active agent Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 11
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 6
- 239000003125 aqueous solvent Substances 0.000 claims description 5
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 5
- 235000011152 sodium sulphate Nutrition 0.000 claims description 5
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 5
- 229960001763 zinc sulfate Drugs 0.000 claims description 5
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 229910052736 halogen Inorganic materials 0.000 abstract description 3
- 150000002367 halogens Chemical class 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 3
- 239000011701 zinc Substances 0.000 abstract description 3
- 229910052725 zinc Inorganic materials 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 229920002678 cellulose Polymers 0.000 abstract description 2
- 239000001913 cellulose Substances 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 230000000979 retarding effect Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 16
- 230000009970 fire resistant effect Effects 0.000 description 8
- 238000001914 filtration Methods 0.000 description 5
- 230000004927 fusion Effects 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 239000008234 soft water Substances 0.000 description 4
- 239000004753 textile Substances 0.000 description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 235000019270 ammonium chloride Nutrition 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000004945 emulsification Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000004816 latex Substances 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 206010048232 Yawning Diseases 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- 239000001488 sodium phosphate Substances 0.000 description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 description 2
- 239000013638 trimer Substances 0.000 description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Abstract
The invention discloses a process for preparing flame retarding cellulose viscose, which adopts pyrophosphate exchange reaction flame retardant particle whose mean particle diameter is <= 1.0um, non-ionic surface active agent, dispersing agent and solvent water to mix and obtain flame retardant emulsion, each percentage by weight is pyrophosphate exchange reaction flame retardant 20-45 wt%, non-ionic surface active agent 5-10 wt% and dispersing agent 0.5-1.0 wt%, and residue is solvent water. The process for preparation comprises adding pyrophosphate exchange reaction flame retardant of flame retardant emulsion which is corresponded to alpha cellulose 15-30 % into spinning original liquid which is filtered to mix, shaping spinning by adopting spinning bath which is low acid, low salt, low temperature and high zinc. The spinning original liquid of the invention has simple and convenient preparation, fiber does not contain halogen elements, which avoids environmental pollution, when in burning, the invention is not melted, while charring only happens to keep the original shape of fiber, the invention prevents dripping which is melted in high temperature from scalding human body, and flame retardant is distributed evenly in adhesive, which can not smolder after leaving fire and easy to be self-extinguished.
Description
Technical field
The present invention relates to a kind of artificial fibre, especially relate to a kind of preparation method of Fire resistant viscose fiber.
Background technology
Along with the progress of development of science and technology and textile industry, the weaving kind be on the increase, its range of application and quantity increase substantially, from daily life to industry, communications and transportation, to numerous areas such as military affairs.But following, because of ignite this difficult problem of causing disaster of textiles also seems more and more important.The result that the death by accident that is caused by fire is investigated shows that the fire that is caused by upholstery and textiles accounts for important proportion.Therefore for preventing fire, produce fire resistance fibre and more and more be subject to people's attention.In order to reduce the harm of fabric fire, people have adopted various methods.As limiting non-flame-retardant textile with fabric types and field of employment, the fire-retardant production of viscose is mainly adopted at fiber and is made back or (when fiber is in gel state) in process of production, antimonous oxide is coated on the surface of fiber with the latex state with halogen-containing fire retardant, also there is the fire retardant of employing to prepare the rayon spinning stoste that contains the fire retardant particle, since the preparation have anti-flammability viscose, typical fire retardant has the polyvinyl chloride latex, the polyvinyl bromide latex, the adhesive that chlorinated paraffin wax or bromination aromatic hydrocarbons and antimony oxide are combined into etc., but the halogen-containing fire retardant of the many employings of these fire retardants, exist non-degradable, has certain pollution after discarded, and this kind fire retardant non-refractory, not wash resistant and Exposure to Sunlight, and the molten drop drip phenomenon takes place in fire resistance fibre easily, the high-temperature fusant that fusion drippage produces not only can skin ambustion, and the combustible material on every side that can ignite, cause more conflagration, easily glow after leaving burning things which may cause a fire disaster, not from putting out, bring certain difficulty to fire prevention, the rayon spinning stoste that adopts fire retardant and spinning viscose glue to be mixed with simultaneously is inhomogeneous, the uniformity of its flame retardant effect is relatively poor, and the adding of fire retardant particulate has influenced the viscose filtration performance and powerful index reduces, and has increased the difficulty of spinning.
Summary of the invention
Technical problem to be solved by this invention has provided a kind of method for preparing flame-proof viscose fiber, adopt this method to prepare Fire resistant viscose fiber, spinning solution prepares simple and convenient, do not contain halogenic ingredient in the fiber that makes, avoided environmental pollution, thereby and in the not fusion of when burning charing only takes place and avoid the high-temperature fusion dropping that the people is scalded to keep the fiber original form, fire retardant is uniformly dispersed in viscose glue simultaneously, after leaving burning things which may cause a fire disaster, do not glow, easily from putting out.
Technical scheme of the present invention is: method for preparing flame-proof viscose fiber, its preparation section is with high quality cotton, cellulose pulps such as wood pulps are raw material, employing comprises dipping, squeezing, pulverize, experienced, yellow, dissolving, mix, deaeration, filter, spinning, stretch oneself and yawn, concise, the viscose production stage that oven dry etc. are conventional, mix in the spinning solution and adopt the fire retardant emulsion that contains pyrophosphate based flame retardant particulate that after filtration, will prepare before the spinning to join, be mixing after the raising adding, can add in the spinning glue containing the fire retardant emulsion by sound attitude blender, adopt sulfuric acid 50～90g/l then, sodium sulphate 230～290g/l, zinc sulfate 15～45g/l, the low acid that temperature is 30～45 ℃, less salt, low temperature, high zinc spinning bath spinning moulding.In order to make flame retardant particle can be evenly distributed in the surperficial and inner of viscose, just must handle the emulsification of flame retardant particle well, dispersed, being complementary between grinding, also to make the blend of fire retardant emulsion and viscose glue compatible simultaneously, layering does not appear, precipitation, therefore select the emulsification of suitable fire retardant particulate, dispersant, the configuration of fire retardant emulsion is as follows: the pyrophosphate based flame retardant particulate that adopts average grain diameter≤1.0 μ m, non-ionic surface active agent, dispersant and aqueous solvent mix and make the fire retardant emulsion, its each composition percentage by weight is respectively pyrophosphate based flame retardant 20-45wt%, non-ionic surface active agent 5-10wt%, dispersant 0.5-1.0wt%, surplus is an aqueous solvent; Mix in the spinning solution after with the relative first fibre 15～30% of effective fire retardant pyrophosphate based flame retardant amount the adding of fire retardant emulsion being filtered then; And the pyrophosphate based flame retardant can grind to obtain the fire retardant particulate of small particle diameter, and the powder particulate of control pyrophosphate based flame retardant diameter of particle＞2 μ m is less than 5%, to improve fire retardant emulsion uniformity; Wherein non-ionic surface active agent is one or more mixtures in aliphatic alcohol polyethenoxy, fatty alcohol-polyoxyethylene ether phosphoric acid fat, the polyoxypropylene-polyoxyethylene; Dispersant is one or both mixtures in calgon, the sodium phosphate trimer, and aqueous solvent adopts the soft water after softening.After the fire retardant emulsion preparation,, improve emulsification, dispersant uniformity simultaneously, the fire retardant emulsion that makes can be stirred, grinds, with further raising spinning filtrability of viscose in order to reduce the particle diameter of fire retardant particulate.Spinning adopts the fire retardant quality of the emulsion of said method configuration stable, and is good with the compatible property of the blend of viscose glue, can satisfy explained hereafter fully.
Multistage big multiplying power stretching plasticizing is carried out in the fibre spinning moulding: one-level effectively stretches 10～40%; Secondary effectively stretches 20～70%; Three grades effectively stretch 5～15%, as between can the employing dish, three bathe, the mode of three grades of stretchings of plasticizing.Adopt such mode of stretching oneself and yawn, make the even structure of fiber, increase fibrocortex thickness and outer rim roundness.
Adopt the inventive method to prepare Fire resistant viscose fiber, the fire retardant quality of the emulsion of configuration is stable, good with the compatible property of the blend of viscose glue, fire-retardant spinning solution prepares simple and convenient, the spinning viscose filtration is difficult for stopping up, and has avoided the adding of fire retardant particulate to influence viscose filtration performance and the reduction of powerful index.Adopt low acid, less salt, low temperature, high zinc spinning bath and multistage big multiplying power plasticization drawing, make the even structure of fiber, increase fibrocortex thickness and outer rim roundness.Do not contain halogenic ingredient in the fiber that makes, nontoxic, degradable, discarded back non-environmental-pollution, have the gas permeability similar, dyeability, hygroscopicity to cotton, make its wearability good, thereby and the Fire resistant viscose fiber that adopts the preparation of this method not fusion and charing only takes place avoid the high-temperature fusion dropping that the people is scalded when burning to keep the fiber original form, fire retardant is uniformly dispersed in viscose glue, leave burning things which may cause a fire disaster after, do not glow, easily from putting out.
The specific embodiment
Embodiment one
Produce the 1.67dtex Fire resistant viscose fiber
Will be after grinding average grain diameter be 0.8 ± 0.1 μ m and particle diameter greater than the powder particulate of 2 μ m less than the liquid mixing of 3% fire retardant sulfo-pyrophosphate 40Kg, fatty alcohol-polyoxyethylene ether phosphoric acid fat 6Kg, 0.8Kg calgon and soft water 53L preparation, stir again and grind, make the fire retardant emulsion.And adopt the high quality cotton pulp to make first fibre 8.0%, contain alkali 5.2%, viscosity 52s through conventional viscose manufacturing process, the spinning glue of degree of ripeness 18ml (10%NH4Cl), after filtering, spinning glue the fire retardant emulsion is evenly joined in the spinning glue first fibre 18% with effective fire retardant sulfo-pyrophosphate addition through sound attitude blender, then through sulfuric acid 75g/l, zinc sulfate 35g/l, sodium sulphate 240g/l, coagulation forming in the spinning bath that temperature is 35 ℃, one-level 15% stretches through between dish then; Three bathe secondary 29% stretches; Three grades of plasticizings 12% stretch, and produce qualified fire resistance fibre through concise, oven dry again.Make the fibrous finished product leading indicator: do fracture strength: 〉=2.40cN/dtex; Wet breaking strength: 〉=1.32cN/dtex; Dried elongation at break: 15.2%; Fiber number 1.69dtex; Whiteness: 78%; Oil content: 2.24%; Regain: 10.6%; Limited oxygen index (LOI) 28.4%.
Embodiment two
Produce the 3.33dtex Fire resistant viscose fiber
To grind the back average grain diameter is 0.9 ± 0.1 μ m, and particle diameter greater than 2 μ m powder particulates less than 4.5% fire retardant pyrophosphate 16Kg, polyoxypropylene-polyoxyethylene 4Kg, 0.5Kg calgon mixes with soft water 30L, stir again and grind, make the fire retardant emulsion, adopt the high-quality wood pulps to make first fibre 8.5% through conventional viscose manufacturing process, contain alkali 5.1%, viscosity 41s, the spinning glue of degree of ripeness 20ml (10%NH4Cl), after spinning glue filters operation, the fire retardant emulsion is evenly joined in the spinning glue first fibre 24% with effective fire retardant pyrophosphate addition, then through sulfuric acid 85g/l, zinc sulfate 25g/l, sodium sulphate 280g/l, the coagulating bath moulding that temperature is 42 ℃ stretches through one-level 12%; Secondary 24% stretches; 3 7% stretch, and produce qualified fire resistance fibre through concise, oven dry again.The fibrous finished product leading indicator that makes: do fracture strength: 〉=2.21cN/dtex; Wet breaking strength: 〉=1.14cN/dtex; Dried elongation at break: 19.4%; Fiber number 3.33dtex; Whiteness: 68%; Oil content: 2.28%; Regain: 9.6%; Limited oxygen index (LOI) 32.4%.
Embodiment three
Produce 1.67dtex Fire resistant viscose fiber Fire resistant viscose fiber
To after grinding, average grain diameter be the fire retardant sulfo-pyrophosphate 30Kg of 0.8 ± 0.1 μ m, with polyoxypropylene-polyoxyethylene 5Kg, 0.6Kg sodium phosphate trimer mixes with soft water 45L, stir again and grind, make the fire retardant emulsion, adopt the high-quality wood pulps to make first fibre 8.2% through conventional viscose manufacturing process, contain alkali 5.1%, viscosity 45s, the spinning glue of degree of ripeness 19ml (10%NH4Cl), after spinning glue filters operation, the fire retardant emulsion is evenly joined in the spinning glue first fibre 28% with effective fire retardant sulfo-pyrophosphate addition, then through sulfuric acid 60g/l, zinc sulfate 40g/l, sodium sulphate 260g/l, the coagulating bath moulding that temperature is 32 ℃ stretches through one-level 25%; Secondary 35% stretches; Three grade of 5% stretching produced qualified fire resistance fibre through concise, oven dry again.The fibrous finished product leading indicator that makes: do fracture strength: 〉=2.15cN/dtex; Wet breaking strength: 〉=1.12cN/dtex; Dried elongation at break: 18.6%; Fiber number 1.67dtex; Whiteness: 71%; Oil content: 2.26%; Regain: 9.8%; Limited oxygen index (LOI) 37.3%.
Claims (3)
1. method for preparing flame-proof viscose fiber, it is characterized in that: pyrophosphate based flame retardant particulate, non-ionic surface active agent, dispersant and the aqueous solvent of employing average grain diameter≤1.0 μ m mix and make the fire retardant emulsion, wherein each percentage by weight is respectively pyrophosphate based flame retardant 20-45wt%, non-ionic surface active agent 5-10wt%, dispersant 0.5-1.0wt%, surplus is an aqueous solvent; To mix in the spinning solution that make after the fire retardant emulsion is filtered with relative first fibre 15～30% addings of pyrophosphate based flame retardant; Adopt sulfuric acid 50～90g/l, sodium sulphate 230～290g/l, zinc sulfate 15～45g/l afterwards, the spinning bath spinning moulding that temperature is 30～45 ℃.
2. method for preparing flame-proof viscose fiber according to claim 1, it is characterized in that: the powder particulate of particle diameter in the pyrophosphate based flame retardant particulate＞2 μ m is less than 5%.
3. method for preparing flame-proof viscose fiber as claimed in claim 1 or 2, it is characterized in that: stretch after the fibre spinning moulding: one-level effectively stretches 10～40%; Secondary effectively stretches 20～70%; Three grades effectively stretch 5～15%.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101165124A CN101215726A (en) | 2007-12-27 | 2007-12-27 | Method for preparing flame-proof viscose fiber |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101165124A CN101215726A (en) | 2007-12-27 | 2007-12-27 | Method for preparing flame-proof viscose fiber |
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| CN101215726A true CN101215726A (en) | 2008-07-09 |
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| CNA2007101165124A Pending CN101215726A (en) | 2007-12-27 | 2007-12-27 | Method for preparing flame-proof viscose fiber |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011026159A1 (en) | 2009-09-01 | 2011-03-10 | Lenzing Ag | Fire-retardant cellulose fiber, use thereof, and method for the production thereof |
| CN102505169A (en) * | 2011-10-26 | 2012-06-20 | 阜宁澳洋科技有限责任公司 | Flame-retardant viscose fiber and preparation method thereof |
| CN102644125A (en) * | 2012-04-10 | 2012-08-22 | 山东银鹰化纤有限公司 | Method for preparing polychromatic viscose fibers |
| CN102965751A (en) * | 2012-12-20 | 2013-03-13 | 唐山三友集团兴达化纤有限公司 | High-wet-modulus and flame-retardant regenerated cellulose fibers and preparation method thereof |
| CN103614795A (en) * | 2013-11-25 | 2014-03-05 | 常熟市金羽纤维制品厂 | Flame-retardant viscose fiber |
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| CN106400148A (en) * | 2016-11-16 | 2017-02-15 | 安徽依采妮纤维材料科技有限公司 | Viscose fabric good in flame resistance |
| CN106400149A (en) * | 2016-11-16 | 2017-02-15 | 安徽依采妮纤维材料科技有限公司 | Flame-retardant viscose fabric |
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| CN109487362A (en) * | 2018-11-30 | 2019-03-19 | 山传雷 | A kind of inorganic fire-retarded phase-change energy-storage fibre cellulose fiber and preparation method thereof |
| CN110067034A (en) * | 2019-04-22 | 2019-07-30 | 东华大学 | A kind of fire-retardant regenerated cellulose fiber and preparation method thereof |
| CN114990718A (en) * | 2022-06-24 | 2022-09-02 | 江南大学 | Halogen-free environment-friendly compound flame-retardant viscose fiber and preparation method thereof |
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2007
- 2007-12-27 CN CNA2007101165124A patent/CN101215726A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011026159A1 (en) | 2009-09-01 | 2011-03-10 | Lenzing Ag | Fire-retardant cellulose fiber, use thereof, and method for the production thereof |
| CN102505169A (en) * | 2011-10-26 | 2012-06-20 | 阜宁澳洋科技有限责任公司 | Flame-retardant viscose fiber and preparation method thereof |
| TWI561693B (en) * | 2012-02-24 | 2016-12-11 | ||
| CN102644125A (en) * | 2012-04-10 | 2012-08-22 | 山东银鹰化纤有限公司 | Method for preparing polychromatic viscose fibers |
| CN102644125B (en) * | 2012-04-10 | 2014-01-08 | 山东银鹰化纤有限公司 | Method for preparing polychromatic viscose fibers |
| CN102965751A (en) * | 2012-12-20 | 2013-03-13 | 唐山三友集团兴达化纤有限公司 | High-wet-modulus and flame-retardant regenerated cellulose fibers and preparation method thereof |
| CN102965751B (en) * | 2012-12-20 | 2015-05-20 | 唐山三友集团兴达化纤有限公司 | High-wet-modulus and flame-retardant regenerated cellulose fibers and preparation method thereof |
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| CN110067034B (en) * | 2019-04-22 | 2021-09-21 | 东华大学 | Flame-retardant regenerated cellulose fiber and preparation method thereof |
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