CN102677394B - A kind of multi-component antibacterial non-woven fabric - Google Patents
A kind of multi-component antibacterial non-woven fabric Download PDFInfo
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Abstract
The invention discloses a kind of multi-component antibacterial non-woven fabric.Antibacterial nonwoven cloth made presses percent mass 80% ~ 20% by modified polyamide, modified poly ester than mixing, is prepared shaping through spun-bonded spunlace technique by percent mass 20% ~ 80%, in the chloramines structure that non-woven fabrics fiber unit surface has covalent bond to connect.Multi-component antibacterial non-woven fabric of the present invention has that bactericidal effect is strong, fiber is ultra-fine, the feature of comfortable feel, excellent in mechanical performance.Overcome tradition and prepare the drawback that antibiotic fabric uses the post-processing approach of finishing agent.Further, nonwoven fabric of the present invention, through simple amine chlorination, can obtain recycling of nonwoven fabric bactericidal effect.
Description
Technical field
The present invention relates to a kind of multi-component antibacterial non-woven fabric.Belong to textile technology field.
Background technology
Many components superfine fibre nonwoven cloth refers in a monofilament and arranges the superfine fibre of Multicomponent regularly, generally by many Screw Extrusion meltings of many components, spinning simultaneously, form fabric of island-in-sea type, core-skin or exfoliated fabric, to wet inotropic difference according to the heat of many components, with chemistry or mechanical fibrillation process, be formed with the nonwoven fabric of superfine fibre.Fibre diameter, generally below 4 μm, only has 1/10 of real silk, and specific area is several times to tens times of conventional fibre.
At present, domestic antibacterial nonwoven cloth made mainly contains two kinds of methods and obtains: (1) directly adopts anti-bacterial fibre to make fabric; (2) fabric antiseptic is carried out post processing processing and obtain anti-microbial property.In the antibacterial preparation field of antibacterial fabric, afterfinish method accounts for 70%.Comparatively speaking, the fabric anti-bacterial effect directly prepared with anti-bacterial fibre is lasting, and washing resistance is good.Though the method processing process of Final finishing is simple, the three wastes are many in process of production, and washing resistance is poor, durable antibacterial effect is poor, to the appearance effects of fabric comparatively greatly, cannot avoid and the problem such as the compatibility brought when multiple finishing agent, coloring agent process.
Chinese Patent Application No. 89109708.2, in 29 days Augusts nineteen ninety of publication date, invention and created name is a kind of manufacture method of unidirectional antibiotic adhesive-bonded fabric.This application case discloses and forms anti-bacterial fibre through copper sulphate, sodium thiosulfate and alkaline chlorine as modification with acrylic fiber, with air-flow carding machine, one-way fiber is arranged afterwards, become quantitative mesh sheet through lapping machine, finally use acrylic acid gluing, oven dry, prepare antibacterial non-woven.Its weak point is that the fiber of the antibacterial non-woven prepared is unidirectional array, and biaxial mechanical capability is bad, limits its range of application.
Chinese Patent Application No. 200810120076.2, publication date is on December 17th, 2008, and invention and created name is that one has antibacterial and hydrophilic non-weaving cloth and its preparation method and application.This application case discloses a kind of preparation method of antibacterial and hydrophilic non-weaving cloth: at the temperature of 20 ~ 40 DEG C, after two leachings two are pricked in the dressing liquid containing fibroin and chitin by non-weaving cloth, dries set being less than under the condition of 160 DEG C.Namely obtain that there is hydrophilic antibacterial non-woven.So its weak point is utilizing the method for Final finishing, and complex process, the waste water produced in preparation process is many, and outward appearance, the comfortableness of fabric are bad.
Chinese Patent Application No. 02117479.2, publication date is on November 13rd, 2002, and invention and created name is compound (Ag+Ag
2o) anti-coagulation nano silver antibacterial non-woven and industrialized producing technology.This application case disclose a kind of by ultra micron Argent grain by atomization technique metering ground splash on non-woven fabric material, the method on the fiber element method being attached to non-weaving cloth and between fiber element method.Its weak point is antiseptic physical method to be coated in fabric face, and antiseptic is not connected with covalent bond with fabric.The washing resistance of fabric is bad.
In the above art, also exist about the preparation of antibacterial non-woven and have larger impact to the outward appearance of fabric, the physical and mechanical properties of fabric is had a certain impact, the poststaining of fabric is arranged also have a certain impact.Therefore in the process preparing antibiotic fabric, except have antibacterial broad spectrum activity, durability, bactericidal effect well except, also want have following characteristics: (1) is non-stimulated to human body, without irritated.(2) Durability of antimicrobial effect of fabric good (through washing, after disinfecting, not losing antibiotic property); (3) on the outward appearance of fabric, feel, comfortableness impact; (4) processing method is simple, can be suitable for suitability for industrialized production.
Summary of the invention
For above-mentioned Shortcomings, the object of the invention is to overcome above-mentioned defect, a kind of preparation method of multi-component antibacterial non-weaving cloth be provided, for the technical solution meeting the object of the invention is:
A kind of multi-component antibacterial non-woven fabric, antibacterial nonwoven cloth made presses percent mass 80% ~ 20%, modified poly ester by percent mass 20% ~ 80% than mixing by modified polyamide, through spun-bonded spunlace technological forming, the following structure that non-woven fabrics fiber unit surface has covalent bond to connect:
Wherein: R is H or the tert-butyl group, R ' is O or N.
Described modified polyamide is polyamide, the function monomer containing double bond and amine structure, radical initiator 100: 1 ~ 10: 0.1 ~ 0.4 mixing in mass ratio, prepares through twin-screw reactive extrursion.
Described modified poly ester is polyester, the function monomer containing double bond and amine structure, radical initiator 100: 1 ~ 10: 0.1 ~ 0.4 mixing in mass ratio, prepares through twin-screw reactive extrursion.
Described polyamide, the melting range of polyester are between 210 ~ 270 DEG C.
Described is acrylamide (AAM), base acrylamide (MAM), N tert butyl acrylamide (NTBA), 2 containing double bond and amine structure function monomer, 4-diaminourea-6-diallyl amino-1,3,5-triazine (NDAM) or 3-allyl-5,5-DMH (ADMH), 3-(4-ethylene benzyl)-glycolylurea (VBDMH) one wherein.The structure of monomer is as follows:
Above-mentioned radical initiator is cumyl peroxide (DCP) or 2,5-dimethyl-2,5-di-t-butyl peroxy-3-alkynes (DTBHY).The chemical constitution of radical initiator is as follows:
The moulding process of described nonwoven fabric is spun-bonded spunlace moulding process.
Owing to have employed above-mentioned technical scheme, the present invention compared with prior art, has the following advantages:
The modified polyamide that 1 the present invention selects, modified poly ester are nonwoven fabric matrix material, modified polyamide, modified poly ester are the methods at traditional polyamide, polyester material reactive extrursion, functional group covalent bond containing amine structure is connected to fiber element method surface, makes nonwoven surface have anti-microbial property.Modified polyamide, modified poly ester multi-component antibacterial nonwoven fabric overcome the shortcoming of the mechanical property existed by conventional polyolefins anti-bacterial fibre, poor hydrophilic dyeability difference.
The function monomer that 2 the present invention select is have double bond and two characteristic group's monomers containing amine structure, owing to there being the existence of double bond, function monomer can be made to be connected on the main chain of base material, owing to there being the existence of the sense containing amine, nonwoven fabric can be able to make non-woven fabrics fiber surface form the antibacterial structure with halogen amine by amine chlorination, gives material antibiotic property.For the ideal functionality monomer of graft modification.
3 the present invention select spun-bonded spunlace to obtain moulding process, and the cross section of producing is the bicomponent structural of tangerine lobe hollow, and single fiber splits into follows fiber more, is formed as superfine fibre, can increases the contact area in bacterium, thus strengthen bactericidal effect.
4 nonwoven fabric of the present invention, by amine chlorination, make the monomer containing amine structure change into the material of the antibacterial structure with chloramines, make material have sterilizing function.Can iterative cycles like this, make cloth specimen have permanent anti-microbial property.The mechanism of anti-bacterial fibre of the present invention is, chloramines structure in the presence of water, has the generation of active chlorine, has stronger bactericidal action.After bactericidal action, chloramines Structure Transformation becomes amine structure, then through amine chlorination, is reduced into again the chloramines structure with sterilizing function.As follows move in circles, reaction skeleton symbol is as follows:
The moulding process utilizing spun-bonded spunlace that 5 nonwoven fabric of the present invention are selected, the two component tangerine lobe type nonwoven fabric produced, single spun-bonded fibre can be realized and split into the thin dawn that many realize fiber, the specific area that increased fiber contacts with bacterium, can bactericidal effect be strengthened.Non-woven fabrics fiber arrangement prepared by the spunbond water conservancy project skill selected is balanced, and transverse and longitudinal has excellent mechanical property.
Detailed description of the invention
A kind of multi-component antibacterial non-woven fabric, antibacterial nonwoven cloth made presses percent mass 80% ~ 20% by modified polyamide, modified poly ester than mixing by percent mass 20% ~ 80%, is prepared shaping through spun-bonded spunlace technique, obtained antibacterial nonwoven cloth made.The following structure having covalent bond to connect on non-woven fabrics fiber unit surface:
Wherein: R is H or the tert-butyl group, R ' is N or O.
A kind of step of preparation process of multi-component antibacterial nonwoven cloth made is as follows:
The preparation of 1 modified polyamide, modified poly ester
By polyamide, containing the monomer of double bond and amine structure, the ratio mixing of radical initiator amine mass ratio 100: 1 ~ 10: 0.1 ~ 0.4, dry 2 hours, then mix, prepare through twin-screw reactive extrursion.
Described modified polyamide is polyamide, containing the function monomer of amine structure, radical initiator in mass ratio 100: 1 ~ 10: 0.1 ~ 0.4, mixing, prepares through twin-screw reactive extrursion.
The melting range of described polyamide is between 210 ~ 270 DEG C.
Described is acrylamide (AAM), base acrylamide (MAM), N tert butyl acrylamide (NTBA), 2 containing double bond and amine structure function monomer, 4-diaminourea-6-diallyl amino-1,3,5-triazine (NDAM) or 3-allyl-5,5-DMH (ADMH), 3-(4-ethylene benzyl)-glycolylurea (VBDMH) one wherein.The structure of monomer is as follows:
Described radical initiator is cumyl peroxide (DCP) or 2,5-dimethyl-2,5-di-t-butyl peroxy-3-alkynes DTBHY, and the chemical constitution of described radical initiator is as follows:
The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into the section of antibacterial polyamide.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.
By polyester, mix in the ratio of quality 100: 1 ~ 10: 0.1 ~ 0.4 containing the function monomer of double bond and amine structure, radical initiator, dry 2 hours, then mix, by screw extruder reactive extrursion.
Described modified poly ester is polyester, containing the function monomer of amine structure, radical initiator in mass ratio 100: 1 ~ 10: 0.1 ~ 0.4, dry mixed, prepares through twin-screw reactive extrursion.
Described is acrylamide (AAM), base acrylamide (MAM), N tert butyl acrylamide (NTBA), 2 containing double bond and amine structure function monomer, 4-diaminourea-6-diallyl amino-1,3,5-triazine (NDAM), 3-allyl-5,5-DMH (ADMH), 3-(4-ethylene benzyl)-glycolylurea (VBDMH) one wherein.The structure of monomer is as follows:
Above-mentioned radical initiator is cumyl peroxide (DCP) or 2,5-dimethyl-2,5-di-t-butyl peroxy-3-alkynes DTBHY, and the chemical constitution of radical initiator is as follows:
The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, twin-screw each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.
The preparation of 2 nonwoven fabric
Adopt spun-bonded spunlace technique, by modified polyamide by mass percentage 20% ~ 80%, modified poly ester precentagewise 80% ~ 20% mixes, dry.Then melting is carried out by respective screw extruder, after melt filtration, count in two component spun-bonded spunlace technique, by the fiber of spinnerets ejection containing two component, the air drawing of 5000m/min, lapper is paved into net, then enters spun-laced machine and carries out repeatedly high-pressure water-jet, fiber is split into superfine fibre, and is fixed into non-weaving cloth.Be prepared into nonwoven fabric.Its technological parameter is as follows: temperature 200 DEG C ~ 300 DEG C, and accepting distance is 10cm ~ 20cm, and the fiber number of fiber is 1 micron ~ 20 microns.
The preparation of 3 antibacterial nonwoven cloth mades
The nonwoven fabric obtained through above-mentioned technique is carried out chloramination process, nonwoven fabric being immersed in active chlorine concentrations is 1000 ~ 10000ppm, with in the mixed solution containing non-ionic surface active agent TX-100 (mass fraction 0.05% ~ 1%), at room temperature soak time is 30 minutes, with excessive deionized water cleaning, drying.Namely the non-woven fabrics fiber unit surface following structure that has covalent bond to connect is obtained:
A kind of multi-component antibacterial nonwoven fabric.
When the function monomer containing double bond and amine structure be AAM or MAM or ADMH or VBDMH or time, R is-H, R ' be O; When the function monomer containing double bond and amine structure is NTBA, R is the tert-butyl group, and R ' is O; When the monomer containing double bond and amine structure is NDAM, R is H, R ' be O.
Embodiment 1
By polyethylene terephthalate (PET) 1000 kilograms, AAM 10 kilograms, DCP 1 kilogram of drying 2 hours, then mixes, and eliminates oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, double screw extruder each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Modified PET is cut into slices.
To gather hexamethylene diamine adipic acid (PA66) 1000 kilograms, AAM 10 kilograms, DTBHY 1 kilogram of drying 2 hours, then mixes, and eliminates oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, double screw extruder each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Modified Pa 66 is cut into slices.
Above-mentioned chipping qualities is compared for each self-desiccation of 20%PET:80%PA6 ratio, then by after respective screw extruder filtering molten, enter again in two component spin bank and go, contained the fiber of terylene and polyamide fibre composition by spinnerets ejection, blow through cold wind, in the air drawing of 5000m/min, be paved into fiber web, enter spun-laced machine high-pressure water-jet again, fiber is split into superfine fibre and is fixed into non-weaving cloth, dry.
The concentration above-mentioned nonwoven fabric being immersed in active chlorine is 1500ppm and mass fraction is in the mixed solution of the TX-100 of 0.05%, and the time is 30min.Then with excessive deionized water cleaning, drying.
Embodiment 2
By polyethylene terephthalate (PET) 1000 kilograms, MAM double centner, DCP 4 kilograms of dryings 2 hours, then mix, and eliminate oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified PET section.
To gather hexamethylene diamine adipic acid (PA66) 1000 kilograms, MAM double centner, DCP 4 kilograms of dryings 2 hours, then mix, and eliminate oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Productive rate is 95%.Obtain modified Pa 66 to cut into slices.
Above-mentioned chipping qualities is compared for each self-desiccation of 20%PET:80%PA6 ratio, then by after respective screw extruder filtering molten, enter again in two component spin bank and go, contained the fiber of terylene and polyamide fibre composition by spinnerets ejection, blow through cold wind, in the air drawing of 5000m/min, be paved into fiber web, enter spun-laced machine high-pressure water-jet again, fiber is split into superfine fibre and is fixed into non-weaving cloth, dry.
The concentration above-mentioned nonwoven fabric being immersed in active chlorine is 1500ppm and mass fraction is in the mixed solution of the TX-100 of 0.05%, and the time is 30min.Then with excessive deionized water cleaning, drying.
Embodiment 3
By polyethylene terephthalate (PET) 1000 kilograms, NTBA 200 kilograms, DCP 6 kilograms of dryings 2 hours, then mix, and eliminate oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified PET section.
To gather hexamethylene diamine adipic acid (PA66) 1000 kilograms, NTBA 200 kilograms, DCP 6 kilograms of dryings 2 hours, then mix, and eliminate oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified Pa 66 to cut into slices.
Above-mentioned chipping qualities is compared for each self-desiccation of 20%PET:80%PA6 ratio, then by after respective screw extruder filtering molten, enter again in two component spin bank and go, contained the fiber of terylene and polyamide fibre composition by spinnerets ejection, blow through cold wind, in the air drawing of 5000m/min, be paved into fiber web, enter spun-laced machine high-pressure water-jet again, fiber is split into superfine fibre and is fixed into non-weaving cloth, dry.
The concentration above-mentioned nonwoven fabric being immersed in active chlorine is 1500ppm and mass fraction is in the mixed solution of the TX-100 of 0.05%, and the time is 30min.Then with excessive deionized water cleaning, drying.
Embodiment 4
By polyethylene terephthalate (PET) 1000 kilograms, NDAM 10 kilograms, DTBHY 1 kilogram of drying 2 hours, then mixes, and eliminates oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified PET section.
To gather hexamethylene diamine adipic acid (PA66) 1000 kilograms, NDAM 200 kilograms, DTBHY 6 kilograms of dryings 2 hours, then mix, and eliminate oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified Pa 66 to cut into slices.
Above-mentioned chipping qualities is compared for each self-desiccation of 40%PET:60%PA6 ratio, then by after respective screw extruder filtering molten, enter again in two component spin bank and go, contained the fiber of terylene and polyamide fibre composition by spinnerets ejection, blow through cold wind, in the air drawing of 5000m/min, be paved into fiber web, enter spun-laced machine high-pressure water-jet again, fiber is split into superfine fibre and is fixed into non-weaving cloth, dry.
The concentration above-mentioned nonwoven fabric being immersed in active chlorine is 1500ppm and mass fraction is in the mixed solution of the TX-100 of 0.05%, and the time is 30min.Then with excessive deionized water cleaning, drying.
Embodiment 5
By polyethylene terephthalate (PET) 1000 kilograms, ADMH double centner, DCP 4 kilograms of dryings 2 hours, then mix, and eliminate oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modification ET to cut into slices.
To gather hexamethylene diamine adipic acid (PA66) 1000 kilograms, ADMH double centner, DCP4 kilogram of drying 2 hours, then mixing, eliminating oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified Pa 66 to cut into slices.
Above-mentioned chipping qualities is compared for each self-desiccation of 40%PET:60%PA6 ratio, then by after respective screw extruder filtering molten, enter again in two component spin bank and go, contained the fiber of terylene and polyamide fibre composition by spinnerets ejection, blow through cold wind, in the air drawing of 5000m/min, be paved into fiber web, enter spun-laced machine high-pressure water-jet again, fiber is split into superfine fibre and is fixed into non-weaving cloth, dry.
The concentration above-mentioned nonwoven fabric being immersed in active chlorine is 1500ppm and mass fraction is in the mixed solution of the TX-100 of 0.05%, and the time is 30min.Then with excessive deionized water cleaning, drying.
Embodiment 6
By polyethylene terephthalate (PET) 1000 kilograms, VBDMH 200 kilograms, DTBHY 6 kilograms of dryings 2 hours, then mix, and eliminate oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, double screw extruder each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Modified PET is cut into slices.
Hexamethylene diamine adipic acid (PA66) 1000 kilograms will be gathered, VBDMH 10 kilograms, DCP 1 kilogram of drying 2 hours, then mixes, and eliminates oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, double screw extruder each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Modified Pa 66 is cut into slices.
Above-mentioned chipping qualities is compared for each self-desiccation of 40%PET:60%PA6 ratio, then by after respective screw extruder filtering molten, enter again in two component spin bank and go, contained the fiber of terylene and polyamide fibre composition by spinnerets ejection, blow through cold wind, in the air drawing of 5000m/min, be paved into fiber web, enter spun-laced machine high-pressure water-jet again, fiber is split into superfine fibre and is fixed into non-weaving cloth, dry.
The concentration above-mentioned nonwoven fabric being immersed in active chlorine is 1500ppm and mass fraction is in the mixed solution of the TX-100 of 0.05%, and the time is 30min.Then with excessive deionized water cleaning, drying.
Embodiment 7
By polyethylene terephthalate (PET) 1000 kilograms, AAM 10 kilograms, DCP 1 kilogram of drying 2 hours, then mixes, and eliminates oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified PET section.
To gather hexamethylene diamine adipic acid (PA66) 1000 kilograms, MAM 10 kilograms, DTBHY 1 kilogram of drying 2 hours, then mixes, and eliminates oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified Pa 66 to cut into slices.
Above-mentioned chipping qualities is compared for each self-desiccation of 60%PET:40%PA6 ratio, then by after respective screw extruder filtering molten, enter again in two component spin bank and go, contained the fiber of terylene and polyamide fibre composition by spinnerets ejection, blow through cold wind, in the air drawing of 5000m/min, be paved into fiber web, enter spun-laced machine high-pressure water-jet again, fiber is split into superfine fibre and is fixed into non-weaving cloth, dry.
The concentration above-mentioned nonwoven fabric being immersed in active chlorine is 1500ppm and mass fraction is in the mixed solution of the TX-100 of 0.05%, and the time is 30min.Then with excessive deionized water cleaning, drying.
Embodiment 8
By polyethylene terephthalate (PET) 1000 kilograms, NTBA double centner, DTBHY 4 kilograms of dryings 2 hours, then mix, and eliminate oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified PET section.
To gather hexamethylene diamine adipic acid (PA66) 1000 kilograms, NDAM double centner, DTBHY 4 kilograms of dryings 2 hours, then mix, and eliminate oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified Pa 66 to cut into slices.
Above-mentioned chipping qualities is compared for each self-desiccation of 60%PET:40%PA6 ratio, then by after respective screw extruder filtering molten, enter again in two component spin bank and go, contained the fiber of terylene and polyamide fibre composition by spinnerets ejection, blow through cold wind, in the air drawing of 5000m/min, be paved into fiber web, enter spun-laced machine high-pressure water-jet again, fiber is split into superfine fibre and is fixed into non-weaving cloth, dry.
The concentration above-mentioned nonwoven fabric being immersed in active chlorine is 1500ppm and mass fraction is in the mixed solution of the TX-100 of 0.05%, and the time is 30min.Then with excessive deionized water cleaning, drying.
Embodiment 9
By polyethylene terephthalate (PET) 1000 kilograms, ADMH 200 kilograms, DTBHY6 kilogram of drying 2 hours, then mixing, eliminating oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified PET section.
To gather hexamethylene diamine adipic acid (PA66) 1000 kilograms, VBDMH 200 kilograms, DCP 6 kilograms of dryings 2 hours, then mix, and eliminate oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified Pa 66 to cut into slices.
Above-mentioned chipping qualities is compared for each self-desiccation of 60%PET:40%PA6 ratio, then by after respective screw extruder filtering molten, enter again in two component spin bank and go, contained the fiber of terylene and polyamide fibre composition by spinnerets ejection, blow through cold wind, in the air drawing of 5000m/min, be paved into fiber web, enter spun-laced machine high-pressure water-jet again, fiber is split into superfine fibre and is fixed into non-weaving cloth, dry.
The concentration above-mentioned nonwoven fabric being immersed in active chlorine is 1500ppm and mass fraction is in the mixed solution of the TX-100 of 0.05%, and the time is 30min.Then with excessive deionized water cleaning, drying.
Embodiment 10
By polyethylene terephthalate (PET) 1000 kilograms, AAM 200 kilograms, DCP 6 kilograms of dryings 2 hours, then mix, and eliminate oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified PET section.
To gather hexamethylene diamine adipic acid (PA66) 1000 kilograms, NTBA 10 kilograms, DCP 1 kilogram of drying 2 hours, then mixes, and eliminates oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified Pa 66 to cut into slices.
Above-mentioned chipping qualities is compared for each self-desiccation of 80%PET:20%PA6 ratio, then by after respective screw extruder filtering molten, enter again in two component spin bank and go, contained the fiber of terylene and polyamide fibre composition by spinnerets ejection, blow through cold wind, in the air drawing of 5000m/min, be paved into fiber web, enter spun-laced machine high-pressure water-jet again, fiber is split into superfine fibre and is fixed into non-weaving cloth, dry.
The concentration above-mentioned nonwoven fabric being immersed in active chlorine is 1500ppm and mass fraction is in the mixed solution of the TX-100 of 0.05%, and the time is 30min.Then with excessive deionized water cleaning, drying.
Embodiment 11
By polyethylene terephthalate (PET) 1000 kilograms, MAM double centner, DCP 4 kilograms of dryings 2 hours, then mix, and eliminate oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Side chain is cut into slices containing the PET of particular functional group.
To gather hexamethylene diamine adipic acid (PA66) 1000 kilograms, NDAM double centner, DTBHY 4 kilograms of dryings 2 hours, then mix, and pass into nitrogen 5min and eliminate oxygen in the container of double screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified Pa 66 to cut into slices.
Above-mentioned chipping qualities is compared for each self-desiccation of 80%PET:20%PA6 ratio, then by after respective screw extruder filtering molten, enter again in two component spin bank and go, contained the fiber of terylene and polyamide fibre composition by spinnerets ejection, blow through cold wind, in the air drawing of 5000m/min, be paved into fiber web, enter spun-laced machine high-pressure water-jet again, fiber is split into superfine fibre and is fixed into non-weaving cloth, dry.
Be 1500ppm and mass fraction by above-mentioned nonwoven fabric bubble in the concentration of leaching active chlorine be in the mixed solution of the TX-100 of 0.05%, the time is 30min.Then with excessive deionized water cleaning, drying.
Embodiment 12
By polyethylene terephthalate (PET) 1000 kilograms, VBDMH 10 kilograms, DCP 1 kilogram of drying 2 hours, then mixes, and eliminates oxygen by passing into nitrogen 5min in the container of screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Side chain is cut into slices containing the PET of particular functional group.
To gather hexamethylene diamine adipic acid (PA66) 1000 kilograms, ADMH 200 kilograms, DTBHY6 kilogram of drying 2 hours, then mixes, passes into nitrogen 5min and eliminate oxygen in the container of double screw extruder.The material mixed is joined in the hopper of double screw extruder, extrudes through frit reaction, be a granulated into antimicrobial particle.Wherein, screw rod each heating region temperature arranges and is respectively: district's temperature: 230 DEG C; 2nd district: 240 DEG C; 3rd district: 250 DEG C; 4th district: 245 DEG C; Five 245 DEG C, districts; Six districts 250; Seven 250 DEG C, districts; Head: 260 DEG C; The time of staying 2 ~ 3min.Pressure is 15MPa.Obtain modified Pa 66 to cut into slices.
Above-mentioned chipping qualities is compared for each self-desiccation of 80%PET:20%PA6 ratio, then by after respective screw extruder filtering molten, enter again in two component spin bank and go, contained the fiber of terylene and polyamide fibre composition by spinnerets ejection, blow through cold wind, in the air drawing of 5000m/min, be paved into fiber web, enter spun-laced machine high-pressure water-jet again, fiber is split into superfine fibre and is fixed into non-weaving cloth, dry.
Be 1500ppm and mass fraction by above-mentioned nonwoven fabric bubble in the concentration of leaching active chlorine be in the mixed solution of the TX-100 of 0.05%, the time is 30min.Then with excessive deionized water cleaning, drying.
To the capable sterilization test of the multi-component antibacterial nonwoven fabric of embodiment 1 ~ 10, the mode of the cloth specimen process wherein of embodiment is as follows:
The spunbond after washing of A does sterilization test for 1 time.
Do=do sterilization test after the spunbond after washing of B 10 times.
Carry out amine chlorination after C sterilization 1 time, then do sterilization test.
Carry out amine chlorination after D sterilization 10 times, then do sterilization test.
Following standard is adopted to carry out antibacterial test to the above-mentioned nonwoven cloth specimen handled well.
Water-wash resistance: method for washing adopts AATCC123-1984 method.
Anti-microbial property is tested: test strain uses staphylococcus aureus (ATCC 6538) (Gram-negative bacteria) and Escherichia coli (8099) (gram-positive bacteria).
Antibacterial test method adopts Counting alive microbial method (AATCC 100-1988).
Test result shows, make the embodiment sample as above processing A, at absorption bacterium liquid after 10 minutes, embodiment sample 1 ~ 10 sterilizing rate is all more than 99.8%, at absorption bacterium liquid after 24 hours, embodiment 2, embodiment 5, embodiment 8, embodiment 10 can play good fungistatic effect, and sterilizing rate is more than 98.8%.
Make the embodiment sample of as above treatments B, at absorption bacterium liquid after 10 minutes, embodiment sample 1 ~ 10 sterilizing rate is all more than 99.0%, and at absorption bacterium liquid after 24 hours, the sterilizing rate of embodiment sample 1 ~ 10 is more than 91.5%.There is good washing resistance.
Make the embodiment sample as above processing C, in absorption after 10 minutes, embodiment sample 1 ~ 10 sterilizing rate is all 97.4%, and at absorption bacterium liquid after 24 hours, the sterilizing rate of embodiment sample, all 91.4%, has the function well recycled.
Result shows that this multi-component antibacterial nonwoven fabric has excellent anti-microbial property and wash durability, only needs simple amine chlorination can realize the circulation antibacterial functions of nonwoven fabric.
Claims (3)
1. a multi-component antibacterial non-woven fabric, it is characterized in that: antibacterial nonwoven cloth made is mixed by percent mass 20% ~ 80% by percent mass 80% ~ 20%, modified poly ester by modified polyamide, prepare shaping through spun-bonded spunlace technique, the following structure having covalent bond to connect on non-woven fabrics fiber unit surface
Wherein: R is H or the tert-butyl group, R ' is O or N.
2. a kind of multi-component antibacterial non-woven fabric according to claim 1, it is characterized in that: described modified polyamide is polyamide, mixes by ratio of quality and the number of copies 100: 1 ~ 10: 0.1 ~ 0.4 containing the function monomer of amine structure, radical initiator, prepares through twin-screw reactive extrursion.
3. a kind of multi-component antibacterial non-woven fabric according to claim 1, it is characterized in that: described modified poly ester is polyester, mixes by ratio of quality and the number of copies 100: 1 ~ 10: 0.1 ~ 0.4 containing the function monomer of amine structure, radical initiator, prepares through twin-screw reactive extrursion.
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| CN108998895A (en) * | 2018-08-23 | 2018-12-14 | 合肥普尔德医疗用品有限公司 | A kind of medical antibacterial non-woven fabrics antibiotic method |
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| CN104018241A (en) * | 2014-05-23 | 2014-09-03 | 湖北申邦化纤科技有限公司 | Preparation method of antibacterial recycling polyester fiber |
| CN104911809A (en) * | 2015-05-14 | 2015-09-16 | 佛山市维晨科技有限公司 | Profiled fiber non-woven fabric and manufacturing method thereof |
| CN108797100A (en) * | 2018-07-09 | 2018-11-13 | 合肥洁诺医疗用品有限公司 | A kind of medical and hygiene article antibacterial moisture-inhibiting non-woven fabrics |
| CN112189914A (en) * | 2020-06-29 | 2021-01-08 | 吉祥三宝高科纺织有限公司 | Reusable sterilization and virus killing protective mask and preparation process thereof |
| CN112189918A (en) * | 2020-06-29 | 2021-01-08 | 吉祥三宝高科纺织有限公司 | Reusable bactericidal and virucidal protective clothing and preparation process thereof |
| CN113069832B (en) * | 2021-04-07 | 2022-01-11 | 天台宏辉过滤科技有限公司 | Hydrophobic anti-blocking wear-resistant industrial filter cloth and preparation method thereof |
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Effective date of registration: 20151204 Address after: Yang Gang Industrial Park in Hubei province 433000 Xiantao spit Office Patentee after: HUBEI SANYANG NEW TECHNOLOGY CO., LTD. Address before: 430073 Textile Road, Hongshan District, Hubei, China, No. 1, No. Patentee before: Wuhan Textile University |