Summary of the invention
The objective of the invention is at the deficiencies in the prior art, provide a kind of filter efficiency high and have a melt-blown non-woven material of antibiotic and health care.
Another object of the present invention is to provide the preparation method of above-mentioned melt-blown non-woven material.
A further object of the present invention is to provide the goods that prepared by above-mentioned melt-blown non-woven material.
For achieving the above object, the present invention has adopted following technical scheme:
The invention discloses a kind of melt-blown non-woven material, described material contains polymer fiber, and described material also comprises nano-tourmaline powder and shitosan class antiseptic.
Preferably, described nano-tourmaline powder and shitosan class antiseptic are positioned at polymeric fiber surface.
In the described melt-blown non-woven material, the weight portion of polymer fiber, nano-tourmaline powder, shitosan class antiseptic is respectively polymer fiber 89-94 part, nano-tourmaline powder 0-6 part, shitosan class antiseptic 0-5 part.In the preferred embodiment of the present invention, the weight portion of polymer fiber, nano-tourmaline powder, shitosan class antiseptic is respectively polymer fiber 89-94 part, nano-tourmaline powder 3-6 part, shitosan class antiseptic 3-5 part.
Preferably, the particle diameter of the used nano-tourmaline powder of the present invention is 75nm~1 μ m.
The chitosan derivatives that described shitosan class antiseptic comprises shitosan and has antibacterial action, described polymer is preferably polypropylene.
The invention also discloses the preparation method of above-mentioned melt-blown non-woven material, described method is included in the process that polymer fiber forms, and nano-tourmaline powder and shitosan class antiseptic evenly is sprayed onto the surface of polymer fiber.
In concrete embodiment of the present invention, described method comprises, after polymer melt is extruded, in the process that polymer fiber forms, from the thermal air current of both sides, import the air-flow that contains the nano-tourmaline powder, the nano-tourmaline powder is mixed with the polymer superfine fibre that is just attenuating in thermal air current, and be embedded on the polymer superfine fibre; And
Below thermal air current, the solution that is dissolved with shitosan class antiseptic evenly is sprayed onto on the polymer superfine fibre through atomizing simultaneously.
Preferably, to be dissolved with the solution of shitosan class antiseptic when atomizing evenly is sprayed onto on the polymer superfine fibre simultaneously, when spray solution arrived fiber surface, fiber temperature was no more than 180 degree, and spray amount is that melt-blown non-woven material per ton is no more than 70 kilograms of solution weights.
The present invention further discloses the goods that prepare by above-mentioned melt-blown non-woven material.
Owing to adopted above technical scheme, the beneficial effect that the present invention is possessed is:
Melt-blown non-woven material of the present invention is a kind of antibiotic melt-blown material that can " Self-breathing ", its resistance is controlled at 5 millimeters of water with interior the time, filter efficiency can reach more than 99.9%, anti-hemodialysis can reach 160mmHg, the antibiotic rate of Staphylococcus aureus, Escherichia coli, Candida albicans all more than 99%, and is had other 170 various bacteria, fungi and to kill or inhibitory action; The nano-tourmaline powder continues the negative oxygen ion that the ionizing water molecule discharges, wherein 100cm
2The anion that melt-blown material produces around it is near 200/cm
3, reach 20000/cm and directly produce anion density in the material internal hole
3More than, discharge in the space towards periphery of not stopping.
This melt-blown material can be used as mask material, can fully intercept dust, intercepts bacterium or killing bacteria, and popularity common cold virus, SARS, H1N1 influenza etc. all have protective action; And because the generation of anion, negative oxygen ion causes its neural reflex by the stimulation to human respiratory tract or skin, and influence each system of health, thereby play enhance metabolism, flu-prevention, enhancing body antibacterial ability and recover function such as total balance of the body.
The specific embodiment
Chitin has another name called chitin, chitin etc., is a kind of abundant natural resources, annual synthesizes closely 1,000,000,000 more than naturally, is natural organic matter the abundantest on the earth behind the cellulose fibre.Chitin is a kind of natural polysaccharide, can called after (1,4)-2-acetate amino-2-deoxidation-β-D-glucose.Chitin in the higher mammal tissue collagen and the biological function of the cellulose in the high fabric tissue, animals and plants all had good adaptability, also have biodegradability and oral avirulence simultaneously, therefore he has become a kind of broad-spectrum new material in recent years.Shitosan is the product that chitin takes off the acetate acidifying, has many special physicochemical character and biochemical function, is the natural sex positively charged polysaccharide of finding up to now, has characteristics such as avirulence, biodegradable, excellent biological compatibility.Shitosan has the antibiotic property of wide spectrum, and various bacteria such as Staphylococcus aureus, Escherichia coli, hay bacillus, fungi etc. are had the obvious suppression effect, carries out season can being used as antibiotic finish of the fabric after ammoniation modified.
To add the melt-blowing nonwoven from chitosan derivatives or the modified material that natural shell-fish material proposes, can make antibiotic melt spraying non-woven fabrics.Use for convenience, the chitosan derivatives or the modified material of general good anti-bacterial effect all have hydrophilic and moisture absorption.
Tourmaline is to be the silicate mineral of circulus of the aluminium, sodium, iron, lithium etc. of feature with the boracic, and chemical formula is NaR
3Al
6Si
6B
3O
27(OH)
4Wherein Na can locally be replaced by K and Ca, and OH can be replaced by F, but does not have Al to replace the phenomenon of Si.R position homogeneity is heterogeneous extensively, mainly contains 4 kinds of components: R=Mg dravite, R=Fe schorl, R=Li+Al elbaite, R=Mn tsilaisite.The tourmaline crystal structure is three square crystals, and its crystal can be assembled a certain amount of charges of different polarity at the two ends along its axis of trigonal symmetry, produce different in nature the two poles of the earth and polarize, and this polarization is idiopathic, and be nonvolatil.Kind electrode can make the hydrone in its surrounding air that faint electrolysis takes place, thereby forms negative aeroion, promptly negative oxygen radical ion.The oxygen enrichment radical ion can combine and gather balling-up and fall earthward or form obstruct with band particulates such as bacterium, virus, dust, smog, thereby plays the purpose of resistance dirt and sterilization.Simultaneously negative oxygen ion causes its neural reflex by the stimulation to human respiratory tract or skin, and influence the individual system of health, thus play enhance metabolism, functions such as flu-prevention, enhancing body antibacterial ability and recovery total balance of the body.
Tourmaline has pyroelectricity and piezoelectricity simultaneously, when ambient temperature and pressure change, far infrared that will emission wavelength 4-14um, the wavelength of this scope is the easiest to be absorbed by the people, make the partes corporis humani position produce the physiology fuel factor, make tissue temperature raise hemangiectasis, blood flow quickens local blood circulation and improves, and forms the health-care physical therapy function.
Tourmaline powder and shitosan class antiseptic are united use, not only have antibiotic synergistic effect, and, produce electrostatic adsorption, improve filter efficiency because tourmaline capable produces anion in aqueous environments.When flow by air, after the polarization tourmaline such as variations in temperature, pressure variation, functions such as that this melt-blown non-woven material has just had is antibiotic, filtration efficiency, health care.
Therefore, the invention provides a kind of melt-blown non-woven material, this material is a polymer fiber, and, also contain nano-tourmaline powder and shitosan class antiseptic.Described nano-tourmaline powder and shitosan class antiseptic are in the process that polymer fiber forms, and evenly are sprayed onto the surface of polymer fiber.Wherein, the weight portion of polymer fiber, nano-tourmaline powder, shitosan class antiseptic is respectively polymer fiber 89-94 part, nano-tourmaline powder 0-6 part, shitosan class antiseptic 0-5 part.In the preferred embodiment of the present invention, the weight portion of polymer fiber, nano-tourmaline powder, shitosan class antiseptic is respectively polymer fiber 89-94 part, nano-tourmaline powder 3-6 part, shitosan class antiseptic 3-5 part.Preferably, the particle diameter of the used nano-tourmaline powder of the present invention is 75nm~1 μ m.The chitosan derivatives that described shitosan class antiseptic comprises shitosan and has antibacterial action.Described polymer can be a melt-blown non-woven material polymeric material commonly used, such as, polypropylene, polyester, polyamide etc. in the concrete embodiment of the present invention, are preferably polypropylene.
The present invention further discloses the goods that prepare by above-mentioned melt-blown non-woven material.Such as being used for medical and industrial face mask, heat insulating material formed, filtering material, medical and health, oil absorption material, cleaning wiping cloth, battery separator and acoustic material etc.
In a concrete embodiment, the preparation technology of melt-blown non-woven material of the present invention is as follows: according to the melt-blown process flow process, the polymer of employing is a polypropylene chip; After the feeding of polypropylene chip process and melt extruding, in fibroplastic process, from the thermal air current of both sides, import one and contain the air-flow of nano-tourmaline powder body material, these nano-tourmaline powder mix with the polypropylene superfine fiber that is just attenuating in thermal air current, and be embedded on the polypropylene superfine fiber, simultaneously below thermal air current, the solution that is dissolved with chitosan derivatives evenly is sprayed onto on the polypropylene superfine fiber through atomizing simultaneously, cool off superfine fibre on the one hand, make last melt spraying non-woven fabrics fluffy, give material antibiotic property and moisture regain property on the other hand; These materials spray to into lace curtaining simultaneously, and aggegation becomes net, by the net bottom air draught hot-air or part steam are taken away, are no more than dryer roll and cold water roller of 100 degree again through a temperature, coil into cloth then.
Guarantee polypropylene according to the final product needed that forms of technique scheme: the nano-tourmaline powder: chitosan derivatives=(94-89): (3-6): (3-5) (weight ratio).
According to this technical scheme, have good performance for guaranteeing the shitosan material, when must guarantee that spray solution arrives fiber surface, fiber temperature is no more than 180 degree.The shitosan class antiseptic that the present invention is used can be a shitosan itself, also can be the derivative with antibacterial action of shitosan, as the chitosan derivatives of quaternised shitosan or other other tool antibacterial actions well known in the art.
According to this technical scheme, the nano-tourmaline powder that is adopted for 75nm~1um particle diameter.In this particle size range, the particle size of nano-tourmaline powder is little to the function influence antibiotic, that filter and produce anion of melt-blowing nonwoven of the present invention, can preferably use particle diameter at 500-700nm.Tourmaline powder in the scope.
Spraying weight is that cloth per ton is no more than 70 kilograms of solution weights.
In this technical scheme, because the nano-tourmaline powder is not to add in the melt spinning process, but spray in the wire-beam forming process, it fully contacts with airborne moisture and the hydrone that adsorbed by chitin modified antiseptic, can form anion easily with it ionization.
" Self-breathing " antibiotic melt-blown material of producing according to this technical scheme, its resistance is controlled at 5 millimeters of water with interior the time, filter efficiency can reach more than 99.9%, anti-hemodialysis can reach 160mmHg, the antibiotic rate of Staphylococcus aureus, Escherichia coli, Candida albicans all more than 99%, and is had other 170 various bacteria, fungi and to kill or inhibitory action; The nano-tourmaline powder continues the negative oxygen ion that the ionizing water molecule discharges, wherein 100cm
2The anion that melt-blown material produces around it is near 200/cm
3, reach 20000/cm and directly produce anion density in the material internal hole
3More than, discharge in the space towards periphery of not stopping.
This material melt-blown material can be used as mask material, can fully intercept dust, intercepts bacterium or killing bacteria, and popularity common cold virus, SARS, H1N1 influenza etc. all have protective action; And because the generation of anion, negative oxygen ion causes its neural reflex by the stimulation to human respiratory tract or skin, and influence the individual system of health, thus play enhance metabolism, functions such as flu-prevention, enhancing body antibacterial ability and recovery total balance of the body.
This material also can be used as other filtering materials, antibiotic packaging material with other industry, medicine and hygiene fields.
In conjunction with the accompanying drawings the present invention is described in further detail below by the specific embodiment.
Embodiment 1:
According to conventional melt-blown process flow process, the polymer of employing is a polypropylene chip; After the feeding of polypropylene chip process and melt extruding, in fibroplastic process, from the thermal air current of both sides, import one and contain the air-flow of nano-tourmaline powder body material, these nano-tourmaline powder mix with the polypropylene superfine fiber that is just attenuating in thermal air current, simultaneously below thermal air current, the solution that is dissolved with chitosan derivatives evenly is sprayed onto on the polypropylene superfine fiber through atomizing simultaneously, these materials spray to into network chain simultaneously, aggegation becomes net, by the net bottom air draught hot-air or part steam are taken away, be no more than dryer roll and a cold water rod of 100 degree again through a temperature, coil into cloth then.
The wherein wt ratio, polypropylene: tourmaline powder: chitosan derivatives=94: 3: 3;
Chitosan derivatives is an ammoniation modified shitosan of season, model SCJ-920, and concentration is 50%, 60 kilograms/ton of spray amount;
The particle diameter of nano-tourmaline powder is 500-700nm.
Embodiment 2:
According to conventional melt-blown process flow process, the polymer of employing is a polypropylene chip; After the feeding of polypropylene chip process and melt extruding, in fibroplastic process, from the thermal air current of both sides, import one and contain the air-flow of nano-tourmaline powder body material, these nano-tourmaline powder mix with the polypropylene superfine fiber that is just attenuating in thermal air current, simultaneously below thermal air current, the solution that is dissolved with chitosan derivatives evenly is sprayed onto on the polypropylene superfine fiber through atomizing simultaneously, these materials spray to into network chain simultaneously, aggegation becomes net, by the net bottom air draught hot-air or part steam are taken away, be no more than dryer roll and a cold water rod of 100 degree again through a temperature, coil into cloth then.
The wherein wt ratio, polypropylene: tourmaline powder: chitosan derivatives=91: 6: 3;
Chitosan derivatives is an ammoniation modified shitosan of season, model SCJ-920, and concentration is 50%, 60 kilograms/ton of spray amount;
The nano-tourmaline powder is 500-700nm.
Experimental example:
The melt-blown non-woven material that the foregoing description 1 and embodiment 2 are prepared adopts conventional method to carry out filter efficiency test experience, antibiotic property test experience and anion to discharge test experiments.The result shows, its resistance is controlled at 5 millimeters of water with interior the time, and filter efficiency can reach more than 99.9%, and anti-hemodialysis can reach 160mmHg, shown in the table specific as follows:
Above content be in conjunction with concrete embodiment to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.