A kind of uvioresistant, antibiotic, flame retardant polyester fiber and preparation method thereof and application
Technical field
The present invention relates to a kind of polyster fibre, particularly a kind of uvioresistant, antibiotic, flame retardant polyester fiber and preparation method thereof and its application.
Background technology
Progress of science and technology in recent years, promoting the development of chemical fibre industry, many countries drop into great amount of manpower and material resources and the new fiber product of financial resources exploitation, seek new macromolecular material, the research and development of various functional fibers have all had breakthrough progress, and high in technological content functional fiber has become guiding market and improved the key factor of Business survival ability.
Polyster fibre is as one of the big main force of three in synthetic fiber fiber, because of its good physics and chemical characteristic are widely used in garment material and other non-garment industry, dacron product has been used as main textile raw material so that its drapability is good, intensity is high by downstream user and has been woven into all kinds of textiless since coming out.
Along with industrial development, the environmental pollution degree strengthens, halogen-containing compound discharging such as freon, the atmospheric thin increase that causes ultraviolet transmitance, so also just become a kind of certainty for uvioresistant protection, antiultraviolet fiber is subjected to popular favor gradually.Simultaneously, ecological environment and emblem biotic environment are polluted serious day by day, make fiber be easy to be subjected to contamination by micro, cause problems as produce peculiar smell, spot appears or fade, the sanitary clean function is poor, self degraded, abrasion resistance are low etc., and fiber and textiles in use directly contact with human body skin, metabolism product such as the sweat of skin surface, sebum and outside dirt can be attached on the fibers, and breed bacteria causes very big harm to human beings'health easily.Therefore, the fiber with antibacterial functions becomes the fibrous material that market presses for.In addition, textile combustion causes that fire has become one of disaster great in the modern life, serious threat human life's safety.And textiles is because the structural property of itself is the main material of initiation fire, according to statistics since the fire that textiles causes up to more than 50%, it is imperative therefore a part of textiles to be carried out flame treatment.Polyester has plurality of advantages, and its textile application is extensive, has become the kind that purposes is the widest, consumption is maximum, so its fire-retardantization caused worldwide extensive concern more.
At present people are in uvioresistant, antibiotic or flame retardant area development product development, but only limit to one-side fiber be carried out uvioresistant, antibiotic or fire-retardant modification, can not solve how the three to be organically combined, and obtain the far-ranging fiber of multifunctional application.
Summary of the invention
Goal of the invention: technical problem to be solved of the present invention is in order to overcome the deficiencies in the prior art, a kind of uvioresistant, antibiotic, flame retardant polyester fiber are provided, another object of the present invention provides a kind of method for preparing this uvioresistant, antibiotic, flame retardant polyester fiber, and another object of the present invention provides the application of this uvioresistant, antibiotic, flame retardant polyester fiber.
Technical scheme: in order to realize above purpose, uvioresistant of the present invention, antibiotic, flame retardant polyester fiber, be made up of following raw materials by weight percent: 1~10% silver is antibacterial matrices, 1~5% uvioresistant master batch, 85~98% copoly type phosphorous flame-retardant Terylene fiber resin.
Wherein above-described silver is that antibacterial matrices can be made by the nano-silver ionic of percentage by weight 10~30% and the polyethylene terephthalate blend of nano-carrier silica or basic zirconium phosphate and percentage by weight 70~90%.Because silver ion bacteriostatic activity in all metal ions is the highest, its redox reaction activity also is the strongest simultaneously.Utilize silver nano-grain to combine again and make master batch with Terylene fiber resin with carrier silica or basic zirconium phosphate, can improve the dispersiveness of Yin Nami in the polyester parent greatly, silver is that the antibiotic rate of antibacterial matrices can have antibiotic preferably and bactericidal effect more than or equal to 98%.Nanometer-level silver ion particles and polyester slice add simultaneously, heating and melting makes pre-oriented yarn, produces the low terylene textured filament that plays through adding the bullet distortion again, and silver ion reaches depth of penetration and molecular resin combination, antibiotic process is not only effective, and reaches long-acting purpose.
Uvioresistant provided by the invention, antibiotic, flame retardant polyester fiber, wherein said Terylene fiber resin are a kind of copoly type phosphorous flame-retardant Terylene fiber resin, prepare copoly type phosphorous flame-retardant polyester in the polyester support by phosphorus compound is dissolved into equably.Wherein copoly type phosphorous flame-retardant Terylene fiber resin phosphorus content is generally 5000~7000ppm.The flame-resistant terylene textured filament that the polyester fiber spinning that utilizes phosphorus compound to make forms is difficult for ignition, and flame does not take place for itself, when removing burning things which may cause a fire disaster, can be the high fire prevention material of security from horizontal blanking.Can not produce halogen poison gas when burning in addition, security is good, and fire retardant incorporates in the polyester, and its anti-flammability can not lost because of cyclic washing or be weakened, and this is that the product of the fire-retardant mode of many employing post processings is not available.
Uvioresistant provided by the invention, antibiotic, lead the wet type polyster fibre, wherein said uvioresistant master batch can be inorganic, organic or composite inorganic and organic uvioresistant screener.And the mineral-type ultraviolet light screener of usually selecting, as the powder of metal oxides such as titanium dioxide and zinc oxide and kaolin etc.These materials are made nano level superfine powder.Because particle size is suitable with optical wavelength, than table and long-pending big, the surface energy height, superfine powder has strengthened fibrous material to ultraviolet reflection and scattering process with after the fibrous material blend combine, thereby prevents and reduce ultraviolet through fibrous material.Inorganic nanometer powder has chemical stability, Heat stability is good, non-migrating, advantage such as tasteless, non-stimulated, safe in utilization and deodorization and sterilization.The organic ultraviolet screener is polyvinyl chloride ultra-violet absorber, polystyrene ultra-violet absorber, unsaturated-resin ultra-violet absorber, polycarbonate UV absorbent or polyethylene ultra-violet absorber etc.
Wherein composite inorganic and organic anti ultraviolet agent are the TiO by percentage by weight 5~10%
2Perhaps ZnO superfine powder, 5~10% UV absorbers and the polyethylene terephthalate blend of surplus make.
The preparation method of uvioresistant provided by the invention, antibiotic, flame retardant polyester fiber specifically comprises the steps:
(1) gets the polyethylene terephthalate blend of nano-silver ionic and nano-carrier silica or the basic zirconium phosphate and the percentage by weight 70~90% of percentage by weight 10~30%, extrude with screw extruder, pelletizing, making silver is antibacterial matrices, standby, wherein blending temperature is 250~270 ℃, and screw speed is 100~200rpm;
(2) getting percentage by weight is 10~30% the anti ultraviolet agent and the polyethylene terephthalate of percentage by weight 70~90%, and blend is extruded with screw extruder, pelletizing makes the uvioresistant master batch, and is standby, wherein blending temperature is 250~270 ℃, and screw speed is 100~200rpm;
(3) getting the silver that step (1) obtains by weight is uvioresistant master batch and the blend of copoly type phosphorous flame-retardant Terylene fiber resin that antibacterial matrices, step (2) obtain, make pre-oriented yarn, produce the low terylene textured filament that plays through adding the bullet distortion again, wherein spinning condition is: 270~300 ℃ of spinning temperatures, spinning speed 2500~3500m/min.
Wherein the described anti ultraviolet agent of step (2) is inorganic, organic or composite inorganic and organic anti ultraviolet agent.
Uvioresistant provided by the invention, antibiotic, flame retardant polyester fiber application in the outdoor uvioresistant clothes of preparation, flame-retardant clothing, indoor decoration flame-retardant textile, dormitory articles, hospital work clothes and food workman clothes etc.
Beneficial effect: uvioresistant provided by the invention, antibiotic, flame retardant polyester fiber is compared with polyster fibre of the prior art has following advantage:
(1) polyster fibre provided by the invention, each set of dispense is than scientific and reasonable, the silver that will have antibacterial action by science is antibacterial matrices, uvioresistant master batch, the combination of copoly type phosphorous flame-retardant Terylene fiber resin, prepare pre-oriented yarn, produce the low textured filament that plays through adding the bullet distortion again, forever had the multifunctional terylene fiber of antibiotic, uvioresistant and fire retardation, had wide range of applications.
(2) preparation method of uvioresistant provided by the invention, antibiotic, flame retardant polyester fiber, workable, technology is reasonable, and the production efficiency height can be realized industrialized production.Among the preparation technology, it is low to have overcome fusing point, and the technical barrier that ash is many has improved the spinnability of flame retardant polyester section, after silver nano-grain and nano level carrier silica or the basic zirconium phosphate combination, its dispersiveness in the polyester parent is improved.
The specific embodiment
Below in conjunction with specific embodiment, further illustrate the present invention, should understand these embodiment only is used to the present invention is described and is not used in and limit the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
Embodiment 1
1, a kind of uvioresistant, antibiotic, flame retardant polyester fiber, it is made up of following raw materials in weight: silver is 10 kilograms of antibacterial matrices, 10 kilograms of uvioresistant master batches, 980 kilograms of copoly type phosphorous flame-retardant Terylene fiber resins.
2, the preparation of uvioresistant, antibiotic, flame retardant polyester fiber:
(1) gets the polyethylene terephthalate blend of nano-silver ionic and the nano-carrier silica and the percentage by weight 90% of percentage by weight 10%, extrude pelletizing with screw extruder, making silver is antibacterial matrices, standby, wherein blending temperature is 250 ℃, and screw speed is 100rpm;
(2) getting percentage by weight is 10% the anti ultraviolet agent and the polyethylene terephthalate of percentage by weight 90%, and blend is extruded with screw extruder, and pelletizing makes the uvioresistant master batch, and is standby, and wherein blending temperature is 250 ℃, and screw speed is 100rpm;
(3) getting the silver that step (1) obtains by weight is 10 kilograms of uvioresistant master batches and 980 kilograms of blend of copoly type phosphorous flame-retardant Terylene fiber resin that 10 kilograms of antibacterial matrices, step (2) obtain, make pre-oriented yarn, produce the low terylene textured filament that plays through adding the bullet distortion again, wherein spinning condition is: 270 ℃ of spinning temperatures, spinning speed 2500m/min.
Wherein, the anti ultraviolet agent described in the step (2) is that the TiO2 superfine powder of weight ratio 50% and 50% stearic acid ultraviolet absorber are formed.The chemical formula of the modified flame-retardant phosphorus compound that contains in the described copoly type phosphorous flame-retardant Terylene fiber resin is:
3, detect by the uvioresistant of 2 polyster fibres that prepare, antibiotic, fire-retardant performance:
Detect unit: test center of China Textile Academy; Country quality of textile products supervision center.
The measuring ability index:
A. fire-retardant experiment: specimen size (mm) 150 * 58, oxygen index (OI) OI (%) is 34.
B. uv resistance can and anti-microbial property (microorganism detection method detection routinely): specifically experimental result is as shown in table 1:
The performance test results of table 1 polyster fibre
Test item |
Unit |
Standard value |
Testing result |
Individual event is judged |
The detection method standard |
Daylight ultraviolet ray (UVA) transmittance |
??% |
??<5 |
??0.452 |
Meet |
??BS?EN?13758-1: ??2002 |
Ultraviolet Protection Factor UPF |
??-- |
??>40 |
??50 |
|
|
Daylight ultraviolet ray (UVB) transmittance |
??% |
??-- |
??0.120 |
??- |
|
Staphylococcus aureus (ATCC 653B) |
|
|
Bacterium slip>98% |
??- |
|
Pneumobacillus |
|
|
Bacterium slip>98% |
??- |
|
Show that by the antibacterial experiment result shown in the table 1 polyster fibre provided by the invention has better anti-bacterial effect, wherein the fungistatic effect to staphylococcus aureus (ATCC 6538) and pneumobacillus has reached 98% and 98% respectively, and experimental result shows that polyster fibre provided by the invention has good flame and uvioresistant effect, meets request of national standard.
Uvioresistant provided by the invention, other quality index antibiotic, flame retardant polyester fiber are: fracture strength is at 2.5CN/dtex, extension at break is 130%, line density coefficient of variation CVb1.8% (FZ/T54003-2004), the line density deviation ratio is (FZ/T54003-2004) between ± 2.5%, dye uniformity, (ash card) level 〉=4 (GB/T6508-2001), COLOR FASTNESS>4.5 grade.
Embodiment 2
1, a kind of uvioresistant, antibiotic, flame retardant polyester fiber, it is made up of following raw materials in weight: silver is antibacterial matrices double centner, 50 kilograms of uvioresistant master batches, 850 kilograms of copoly type phosphorous flame-retardant Terylene fiber resins.
2, the preparation of uvioresistant, antibiotic, flame retardant polyester fiber:
(1) gets the polyethylene terephthalate blend of nano-silver ionic and the nano-carrier basic zirconium phosphate and the percentage by weight 70% of percentage by weight 30%, extrude pelletizing with screw extruder, making silver is antibacterial matrices, standby, wherein blending temperature is 270 ℃, and screw speed is 190rpm;
(2) getting percentage by weight is 30% the anti ultraviolet agent and the polyethylene terephthalate of percentage by weight 70%, and blend is extruded with screw extruder, and pelletizing makes the uvioresistant master batch, and is standby, and wherein blending temperature is 270 ℃, and screw speed is 200rpm;
(3) getting the silver that step (1) obtains by weight is 50 kilograms of uvioresistant master batches and 850 kilograms of blend of copoly type phosphorous flame-retardant Terylene fiber resin that antibacterial matrices double centner, step (2) obtain, make pre-oriented yarn, produce the low terylene textured filament that plays through adding the bullet distortion again, wherein spinning condition is: 300 ℃ of spinning temperatures, spinning speed 3500m/min.
Wherein, the anti ultraviolet agent described in the step (2) is that the ZnO superfine powder of weight ratio 50% and 50% stearic acid ultraviolet absorber are formed.The chemical formula of the modified flame-retardant phosphorus compound that contains in the described copoly type phosphorous flame-retardant Terylene fiber resin is:
3, detect by the uvioresistant of 2 polyster fibres that prepare, antibiotic, fire-retardant performance:
Detect unit: test center of China Textile Academy; Country quality of textile products supervision center.
The measuring ability index:
A. fire-retardant experiment: specimen size (mm) 150 * 58, oxygen index (OI) OI (%) is 34.
B. uv resistance can and anti-microbial property (microorganism detection method detection routinely): specifically experimental result is as shown in table 2:
The performance test results of table 2 polyster fibre
Test item |
Unit |
Standard value |
Testing result |
Individual event is judged |
The detection method standard |
Daylight ultraviolet ray (UVA) transmittance |
??% |
??<5 |
??0.432 |
Meet |
??BS?EN?13758-1: ??2002 |
Ultraviolet Protection Factor UPF |
??-- |
??>40 |
??58 |
|
|
Daylight ultraviolet ray (UVB) transmittance |
??% |
??-- |
??0.108 |
??- |
|
Staphylococcus aureus (ATCC 653B) |
|
|
Bacterium slip>99% |
??- |
|
Pneumobacillus |
|
|
Bacterium slip>99% |
??- |
|
Show that by the antibacterial experiment result shown in the table 2 polyster fibre provided by the invention has better anti-bacterial effect, wherein the fungistatic effect to staphylococcus aureus (ATCC 6538) and pneumobacillus has reached 99% and 99% respectively, and experimental result shows that polyster fibre provided by the invention has good flame and uvioresistant effect, meets request of national standard.
Uvioresistant provided by the invention, other quality index antibiotic, flame retardant polyester fiber are: fracture strength is at 2.5CN/dtex, extension at break is 130%, line density coefficient of variation CVb1.8% (FZ/T54003-2004), the line density deviation ratio is (FZ/T54003-2004) between ± 2.5%, dye uniformity, (ash card) level 〉=4 (GB/T6508-2001), COLOR FASTNESS>4.5 grade.
By above-mentioned embodiment, be not difficult to find out that polyster fibre provided by the invention has preferably uvioresistant, function such as antibiotic and fire-retardant, be a kind of multifunctional terylene fiber, have wide range of applications.
Above embodiment only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the people that is familiar with this technology understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.