CN102220654B - Radiation resistant polyester fibers with microphase separation structure and preparation method thereof - Google Patents
Radiation resistant polyester fibers with microphase separation structure and preparation method thereof Download PDFInfo
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- CN102220654B CN102220654B CN 201110102960 CN201110102960A CN102220654B CN 102220654 B CN102220654 B CN 102220654B CN 201110102960 CN201110102960 CN 201110102960 CN 201110102960 A CN201110102960 A CN 201110102960A CN 102220654 B CN102220654 B CN 102220654B
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Abstract
The invention relates to radiation resistant polyester fibers with a microphase separation structure and a preparation method thereof. The polyester fibers comprise the following components by mass percent: 1-30% of BaSO4 supported activated carbon resins, 1-5% of nanocomposite antibacterial fiber master batches and the balance of fiber chips. The preparation method comprises the following steps: mixing the BaSO4 supported activated carbon resins, the nanocomposite antibacterial fiber master batches and the fiber chips and then carrying out melt spinning. The polyester fibers and the preparation method have the following beneficial effects: the polyester fibers have good spinnability, light weight and good comfort, have the functions of resistance to negative ions and far infrared emission and health care, can be applied to radiation resistant clothing and radiation resistant reinforced materials and have broad application prospects; and the preparation method is simple, has the advantages of lower cost and low requirement for equipment and is suitable for mass production.
Description
Technical field
The invention belongs to polyester fiber and preparation field thereof, particularly a kind of radiation proof polyester fiber with microphase-separated and preparation method thereof.
Background technology
Radiation is classified as the fourth-largest environomental pollution source after water source, atmosphere, noise by the World Health Organization, becomes the stealth " killer " of harm humans health, and the protection radiation has become the task of top priority.Along with appearance and the extensive use of various high radiation devices, the research of radiation proof material has caused people's common concern.At present for radiation resistant fiber, numerous shortcomings such as what mostly adopt is the heavier wire fiber of quality, also must bring barrier propterty inadequate, and matter is heavy, and wearing comfort is poor, and dyeability is poor.Therefore develop the development trend that a kind of fiber with radiation proof and health care namely satisfies current radiation resistant fiber, meet also that fiber is differential, the requirement of multifunction.
Activated carbon has high specific area, and excellent absorption property is antibiotic, antibacterial, has the performances such as anion, far infrared transmission performance and ultra-violet radiation resisting concurrently; Research in fields such as environmental wastewater processing, noble metal extraction, air cleaning, health cares has obtained certain achievement, and is applied to industrial production and the people various aspects of living.Utilize the absorption property loading nano silvery of active carbon such as Chinese patent CN200510024952.8 (activated carbon fiber/Nano Silver composite antibiotic material in medical use and preparation method thereof), CN02129358.9 (utilize Nano Silver and activated carbon fiber in conjunction with the method for making anti-biotic material), the CN200810224632.0 method of loading nano silvery (a kind of on activated carbon fiber), as anti-biotic material.Chinese patent CN200510014991.X has reported a kind of preparation method of novel light-wave absorbing carbon fiber composite material simultaneously, by mixing of carbon fiber, improves the electric conductivity of body fiber, makes it have absorbing property.
At present, there is not yet the report that has the fiber of shielding property and health care about utilizing Microphase Structure to prepare concurrently.
Summary of the invention
Technical problem to be solved by this invention provides a kind of radiation proof polyester fiber with microphase-separated and preparation method thereof, this polyester fiber good spinnability, light weight, snugness of fit are good, have anti-anion and far infrared transmission health care, and have a extensive future; The preparation method of this fiber is simple, and cost is lower, and is low for equipment requirements, is fit to large-scale production.
A kind of radiation proof polyester fiber with microphase-separated of the present invention, its raw material components comprises by mass percentage:
Load BaSO
4Activated carbon resin 1～30%
Nano composite antibacterial fiber master batch 1～5%
The fibre section surplus.
Described load BaSO
4The activated carbon resin in load BaSO
4The mass percent of activated carbon be 1～15%, all the other are resin; Load BaSO wherein
4The particle diameter of activated carbon be 10～500nm, resin is one or more in PP (polypropylene), PE (polyethylene), PTT (polytrimethylene terephthalate) resin.
Described nano composite antibacterial fiber master batch is available from Shandong Origine Nanomaterial Engineering Co., Ltd..
Described fibre section is one or both the hybrid slicing among PET (polyethylene terephthalate), the PTT (polytrimethylene terephthalate).
A kind of preparation method with radiation proof polyester fiber of microphase-separated of the present invention comprises:
With load BaSO
4Activated carbon resin, nano composite antibacterial fiber master batch mix with fibre section, then carry out melt spinning, namely get the radiation proof polyester fiber with microphase-separated, wherein load BaSO
4The mass percent of activated carbon resin be 1～30%, the mass percent of nano composite antibacterial fiber master batch is 1～5%, all the other fibre sections; Spinning process condition is: 270～300 ℃ of spinning temperatures, spin speed 900～1600m/min, 26～28 ℃ of lateral blowing temperature, air-supply relative humidity 70～80%, wind speed 0.4～0.5m/s.
Described load BaSO
4The preparation method of activated carbon resin be: with load BaSO
4Activated carbon and resin carry out the blend granulation, namely get load BaSO
4The activated carbon resin.
Described load BaSO
4The preparation technology of activated carbon be: first with the activated carbon acidifying, then with the activated carbon after the acidifying to BaCl
2Perhaps Ba (NO
3)
2Solution absorption is immersed in 0.3～3h in the sulfuric acid solution again, generates BaSO in the micropore of activated carbon
4Particle namely obtains load BaSO
4Activated carbon.
Described activated carbon is a kind of as raw material with in bamboo wood, coffee grounds, tealeaf residue, coconut fruit, the bagasse, behind 2000 ℃ of lower high temperature carbonizations, makes by grinding.
Described BaCl
2Perhaps Ba (NO
3)
2Ba in the solution
2+Concentration be 0.05～5mol/L.
Activated carbon after the described acidifying and BaCl
2Perhaps Ba (NO
3)
2The mol ratio that GOLD FROM PLATING SOLUTION belongs to ion is 1: 1～1: 3, and metal ion is Ba
2+Ion.
The concentration of sulfuric acid is 0.1～5mol/L in the described sulfuric acid solution.
Fiber with microphase-separated is the difference of utilizing fibroblast thing flowability, adds mobile different section in the co-blended spinning process, again by the stretching action of fiber, makes fiber give birth to multiple continuous phase structure; If add functional particles at one of good fluidity in mutually, then functional particles can be gathered in two-phase interface in separation process, and at the continuous functional particles Microphase Structure of interface formation, therefore can utilize the Microphase Structure preparation to have the fiber of shielding property and health care concurrently.
A kind of radiation proof polyester fiber with microphase-separated, adopt the large specific area of activated carbon, efficient absorption property, Ba (II) is adsorbed, make Ba (II) be fixed on micropore and the surface thereof of activated carbon, then generate the BaSO that high-energy ray is had safeguard function by acid treatment
4, use again load BaSO
4Activated carbon and good fluidity, the resin that viscosity is lower carries out extruding pelletization, carries out co-blended spinning with master batch and polyester, makes by 1～2.5 times stretching.
The present invention, it begins mobile phase is that ball is dispersed in the polyester matrix, forms strip through spin-drawing, by forming the function decentralized photo of conducting, reduces the powder consumption, increases efficient; And radiation resistant fiber, if directly disperse, ray can be walked around powder, does not reach the effect of shielding, if form strip or stratiform, functional particulate can penetrate by high efficiency shielding ray in the regional area enrichment.
The fiber of the present invention's preparation, it contains nano composite antibacterial fiber master batch (available from Shandong Origine Nanomaterial Engineering Co., Ltd.), safe and efficient, the broad-spectrum long-acting of its anti-microbial property, wide accommodation, to colibacillus, mould with cause cross infection, easily produce chemical sproof gold look staphylococcus and all have good inhibitory or killing effect, bacterium kills and presses down rate and reach more than 99%; The far infrared transmissivity of the 7-10 micron waveband that is complementary with absorption of human body under the normal temperature is up to (the average emitted rate reaches more than 87%) more than 92%; Rate of ultraviolet shield reaches more than 95%.
The invention solves that present Radiation proof dress radioresistance particle addition is large, snugness of fit is poor, quality is heavy, not easy dyeing, without problems such as health cares, polyester fiber of the present invention can be used for Radiation proof dress and radiation proof reinforcing material, has that the master batch addition is few, good spinnability, softness, light weight, snugness of fit is good, guard band is wide, barrier propterty is good and the characteristics such as anion, far infrared transmission health care.
Beneficial effect:
(1) polyester fiber of the present invention have that the master batch addition is few, good spinnability, softness, light weight, the advantages such as snugness of fit is good, guard band is wide, barrier propterty is good, anti-anion and far infrared transmission health care.
(2) polyester fiber of the present invention can be used for Radiation proof dress and radiation proof reinforcing material, and applied range has a extensive future.
(3) preparation method of fiber of the present invention is simple, and cost is lower, and is low for equipment requirements, is fit to large-scale production.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
Be first the activated carbon acidifying of 10～20nm with particle diameter, then with the activated carbon after the acidifying to BaCl
2Solution absorption is to carry out proportioning at 1: 1 according to the mol ratio of activated carbon and Ba ion, is immersed in 3h in the sulfuric acid solution of 0.1mol/L again, generates BaSO in the micropore of activated carbon
4Particle namely obtains load BaSO
4Activated carbon.
Load BaSO with 5 parts by mass
4Activated carbon and the PP resin of 95 parts by mass carry out the blend granulation, obtain load BaSO
4The activated carbon resin;
Load BaSO with 5 parts by mass
4Activated carbon resin, the nano composite antibacterial fiber master batch of 2 parts by mass mix with the PET fibre section of 93 parts by mass, then carry out melt spinning, make the radiation proof polyester fiber with microphase-separated, wherein spinning process condition is: 270 ℃ of spinning temperatures, spin fast 900m/min, 26 ℃ of lateral blowing temperature, air-supply relative humidity 70%, wind speed 0.4m/s.
Embodiment 2
Be first the activated carbon acidifying of 100～150nm with particle diameter, then with the activated carbon after the acidifying to Ba (NO
3)
2Solution absorption is to carry out proportioning at 1: 2 according to the mol ratio of activated carbon and Ba ion, is immersed in 1.5h in the sulfuric acid solution of 1.5mol/L again, generates BaSO in the micropore of activated carbon
4Particle namely obtains load BaSO
4Activated carbon.
Load BaSO with 10 parts by mass
4Activated carbon and 90 parts by mass PTT resins carry out the blend granulation, obtain load BaSO
4The activated carbon resin;
Load BaSO with 18 parts by mass
4The nano composite antibacterial fiber master batch of activated carbon resin, 3 parts by mass mix with the ptt fiber section of 79 parts by mass, then carry out melt spinning, make the radiation proof polyester fiber with microphase-separated, wherein spinning process condition is: 285 ℃ of spinning temperatures, spin fast 1200m/min, 27 ℃ of lateral blowing temperature, air-supply relative humidity 75%, wind speed 0.45m/s.
Embodiment 3
Be first the activated carbon acidifying of 450～500nm with particle diameter, then with the activated carbon after the acidifying to BaCl
2Solution absorption is to carry out proportioning at 1: 3 according to the mol ratio of activated carbon and Ba ion, is immersed in 0.3h in the sulfuric acid solution of 5mol/L again, generates BaSO in the micropore of activated carbon
4Particle namely obtains load BaSO
4Activated carbon.
Load BaSO with 12 parts by mass
4Activated carbon and the PE resin of 88 parts by mass carry out the blend granulation, obtain load BaSO
4The activated carbon resin;
Load BaSO with 25 parts by mass
4The nano composite antibacterial fiber master batch of activated carbon resin, 5 parts by mass mix with the PET of 70 parts by mass and the blended fiber section (PET is 1: 1 with the mass ratio of PTT) of PTT, then carry out melt spinning, make the radiation proof polyester fiber with microphase-separated, wherein spinning process condition is: 300 ℃ of spinning temperatures, spin fast 1600m/min, 28 ℃ of lateral blowing temperature, air-supply relative humidity 80%, wind speed 0.5m/s.
Claims (6)
1. radiation proof polyester fiber with microphase-separated, the raw material components of this polyester fiber comprises by mass percentage:
Load BaSO
4Activated carbon resin 1～30%
Nano composite antibacterial fiber master batch 1～5%
The fibre section surplus;
Described load BaSO
4The activated carbon resin in load BaSO
4The mass percent of activated carbon be 1～15%, all the other are resin; Load BaSO wherein
4The particle diameter of activated carbon be 10～500nm, resin is one or more in PP, PE, the PTT resin.
2. a kind of radiation proof polyester fiber with microphase-separated according to claim 1 is characterized in that: described fibre section is one or both the hybrid slicing among PET, the PTT.
3. preparation method with radiation proof polyester fiber of microphase-separated comprises:
With load BaSO
4Activated carbon resin, nano composite antibacterial fiber master batch mix with fibre section, then carry out melt spinning, namely get the radiation proof polyester fiber with microphase-separated, wherein load BaSO
4The mass percent of activated carbon resin be 1～30%, the mass percent of nano composite antibacterial fiber master batch is 1～5%, all the other fibre sections; Spinning process condition is: 270～300 ℃ of spinning temperatures, spin speed 900～1600m/min, 26～28 ℃ of lateral blowing temperature, air-supply relative humidity 70～80%, wind speed 0.4～0.5m/s;
Described load BaSO
4The preparation method of activated carbon resin be: with load BaSO
4Activated carbon and resin carry out the blend granulation, namely get load BaSO
4The activated carbon resin; Described load BaSO
4The preparation technology of activated carbon be first with the activated carbon acidifying, then with the activated carbon after the acidifying to BaCl
2Perhaps Ba(NO
3)
2Solution absorption is immersed in 0.3～3h in the sulfuric acid solution again, namely obtains load BaSO
4Activated carbon.
4. a kind of preparation method with radiation proof polyester fiber of microphase-separated according to claim 3, it is characterized in that: described activated carbon is a kind of as raw material with in bamboo wood, coffee grounds, tealeaf residue, coconut fruit, the bagasse, behind high temperature carbonization, make by grinding.
5. a kind of preparation method with radiation proof polyester fiber of microphase-separated according to claim 3 is characterized in that: described BaCl
2Perhaps Ba(NO
3)
2Ba in the solution
2+Concentration be 0.05～5mol/L.
6. a kind of preparation method with radiation proof polyester fiber of microphase-separated according to claim 3, it is characterized in that: the concentration of sulfuric acid is 0.1～5mol/L in the described sulfuric acid solution.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110102960 CN102220654B (en) | 2011-04-22 | 2011-04-22 | Radiation resistant polyester fibers with microphase separation structure and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110102960 CN102220654B (en) | 2011-04-22 | 2011-04-22 | Radiation resistant polyester fibers with microphase separation structure and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102220654A CN102220654A (en) | 2011-10-19 |
| CN102220654B true CN102220654B (en) | 2013-01-02 |
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| CN103014906B (en) * | 2012-11-16 | 2014-10-15 | 东华大学 | Preparation method of inflaming retarding hydrophilic polyester fiber |
| CN104264268A (en) * | 2014-09-18 | 2015-01-07 | 海安县华荣化纤有限公司 | Anti-neutron radiation polyester fiber preparation method |
| CN104846640B (en) * | 2015-05-06 | 2016-03-16 | 泉州铮蓥化纤有限公司 | A kind of An Disi |
| CN108164910A (en) * | 2017-12-12 | 2018-06-15 | 北方华锦化学工业股份有限公司 | A kind of composite filled object is modified the method for preparing high density ABS resin |
| CN109705544A (en) * | 2018-12-26 | 2019-05-03 | 李宁（中国）体育用品有限公司 | High fluidity antibacterial matrices, preparation method and polyester fiber, preparation method |
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| KR100399108B1 (en) * | 2001-03-12 | 2003-09-22 | 제이티엘주식회사 | Method of manufacturing a activated synthetic cottonwool |
| DE10118704A1 (en) * | 2001-04-12 | 2002-10-17 | Sachtleben Chemie Gmbh | Synthetic polymers containing carbon black and barium sulfate, used for the production of fibres, filaments or moulded parts |
| CN1277005C (en) * | 2004-12-28 | 2006-09-27 | 天津市赛远保健品有限公司 | Active carbon far infrared functional fibre and its manufacturing method |
| CN100350084C (en) * | 2005-11-03 | 2007-11-21 | 太原理工大学 | High-speed blended fiber-spinning process of nano composite antibacterial dacron POY |
| CN101158054A (en) * | 2007-08-09 | 2008-04-09 | 唐敏 | Chromatic high-wet conductivity anti-bacterial fiber and spinning method thereof |
| CN101158061B (en) * | 2007-11-21 | 2010-06-09 | 王启明 | Antibacterial terephthalic acid trimethylene glycol ester staple fiber production method |
| CN101177801A (en) * | 2007-11-30 | 2008-05-14 | 东华大学 | Lustrous polyester fiber and method for manufacturing the same |
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Application publication date: 20111019 Assignee: JIANGSU HENGLI CHEMICAL FIBRE Co.,Ltd. Assignor: Donghua University Contract record no.: 2013320010010 Denomination of invention: Radiation resistant polyester fibers with microphase separation structure and preparation method thereof Granted publication date: 20130102 License type: Exclusive License Record date: 20130228 |
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