CN103992549A - Antibacterial color master batch composition for PP (polypropylene) nonwoven cloth and preparation method of composition - Google Patents
Antibacterial color master batch composition for PP (polypropylene) nonwoven cloth and preparation method of composition Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
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- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C2948/00—Indexing scheme relating to extrusion moulding
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Abstract
The invention is suitable for the field of color master batch and the technical field of color master batch preparation processes, and provides an antibacterial color master batch composition for PP (polypropylene) nonwoven cloth and a preparation method of the composition. The composition comprises the following components in part by weight: 35-65 parts of a carrier, 10-20 parts of an antibacterial agent, 20-30 parts of a toner and 5-15 parts of a dispersant. The composition provided by the invention is high in tinting strength, good in dispersity and excellent in spinnability, and has good bacteria killing and inhibiting effects. The preparation method adopts a two-step process, so that the dispersion performance of the toner and the antibacterial agent is improved; the process conditions are reasonable and controllable; the method is suitable for industrialized production.
Description
Technical field
The invention belongs to Masterbatch field and processing fabricating technology field thereof, relate in particular to a kind of antibacterial masterbatch grain composition and method of making the same for PP non-woven fabrics.
Background technology
Masterbatch is painted is the coloring plastic method the most generally adopting now, and Masterbatch is generally by tinting material, carrier, and dispersion agent is extruded after mixing in single screw rod or twin screw, and cooling rear pelletizing is made.
The development trend of Masterbatch not only requires it to retain painted function now, but also requires there is other functional application, as antistatic, and uvioresistant, antibacterial etc., this just requires to add corresponding functional additive in Masterbatch.
At present polypropylene (hereinafter to be referred as PP) non-woven fabrics system adopts PP raw material to extrude spray silk through high temperature, stretches and forms after continuous filament yarn, and long filament is laid, and the techniques such as fibre web, heat bonding bonding through self again, chemical adhesion are made non-woven.Be widely used in medical treatment, health operating coat, protective clothing, sterilization infantees, mouth mask, diaper, civilian rag, cleaning wiping cloth, wet tissue, magic towel, flexible towel scroll, cosmetic products, sanitary towel, sanitary pad and disposable hygienic cloth etc.In chemically woven fabrics production process, for producing coloured cloth, need to add tinting material, because in medical treatment, the non-woven fabrics of health field application need to have high antibacterial requirement again, and general PP antibacterial matrices cannot meet painted and antibacterial dual-use function, ubiquity spinning property is poor, dispersion effect is not good, and the shortcoming that antibacterial effect is poor is difficult to meet production requirement.
Summary of the invention
The object of the present invention is to provide a kind of antibacterial Masterbatch for PP non-woven fabrics, be intended to solve the problem that existing PP antibacterial matrices cannot meet painted and antibacterial dual-use function and spinning property is poor, dispersion effect is not good, antibacterial effect is poor.
Another object of the present invention is to the preparation method of the antibacterial Masterbatch that is provided for PP non-woven fabrics.
The present invention is achieved in that a kind of antibacterial masterbatch grain composition for PP non-woven fabrics, comprises the following recipe ingredient of following parts by weight:
Wherein, described antiseptic-germicide is nanometer silver system, zine series inorganic germicide, at least one of non-silver-based inorganic antibacterial agent, Vanillin, vanillal class organic antibacterial agent, organic and inorganic complex antimicrobials.
And a kind of preparation method of the antibacterial masterbatch grain composition for PP non-woven fabrics, comprises the steps:
Formula according to the above-mentioned antibacterial masterbatch grain composition for PP non-woven fabrics takes respectively each component, and described carrier is divided into two portions, is respectively the first carrier and Second support;
Toner, dispersion agent and the first carrier are carried out to melt kneading dispersion treatment, obtain pigment predispersion;
Second support, antiseptic-germicide and described pigment predispersion are mixed to form after mixture, melt extrude granulation.
The antibacterial masterbatch grain composition of PP non-woven fabrics provided by the invention, not only tinting strength is high, good dispersity, spinning property are good, also has good sterilization, fungistatic effect.
The preparation method of the antibacterial masterbatch grain composition of PP non-woven fabrics provided by the invention, by two step process, further ensures the dispersing property of pigment and antiseptic-germicide, meets the polymolecularity requirement that melt extrudes spinning; Meanwhile, the method melt extrudes processing after each component is mixed, and the recipe ingredient of the antibacterial masterbatch grain composition of PP non-woven fabrics is mixed, stable performance; Melt extrude technical maturity, easily control, production efficiency is high, and product yield is high, can carry out industrialization production, can be used for preparing the antibacterial masterbatch grain composition of above-mentioned PP non-woven fabrics.
Brief description of the drawings
Fig. 1 is the antibacterial Masterbatch preparation technology schema for PP non-woven fabrics that embodiment provides.
Embodiment
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
For an antibacterial masterbatch grain composition for PP non-woven fabrics, comprise the following recipe ingredient of following parts by weight:
Wherein, described antiseptic-germicide is nanometer silver system, zine series inorganic germicide, at least one of non-silver-based inorganic antibacterial agent, Vanillin, vanillal class organic antibacterial agent, organic and inorganic complex antimicrobials.
Particularly, carrier, as the matrix composition of the antibacterial masterbatch grain composition for PP non-woven fabrics, plays an important role.As preferred embodiment, described carrier is polyethylene, polypropylene, at least one of ethylene-propylene copolymer.Select this carrier components, while making it for PP nonwoven production, both consistencies are better, and the reactivity of carrier is relatively strong, thus the PP non-woven fabrics of easy excellent.As specific embodiment, the umber of described carrier can be the concrete umbers such as 35 parts, 40 parts, 45 parts, 50 parts, 55 parts, 60 parts, 65 parts.
Toner is the important component part in color master batch composite, and its average mark is dispersed in carrier, thereby realizes painted function.In the embodiment of the present invention, described toner is at least one in pigment dyestuff, mineral dye.As preferred embodiment, described toner is at least one in phthalocyanine blue 15:1, phthalocyanine blue 15:3, phthalocyanine blue 15:4, Pigment red 53:1, Pigment red 57:1, pigment red 4 8:1, pigment red 4 8:2, pigment red 4 8:3, pigment red 122, Pigment red 170, Pigment red 164, Pigment red 166, pigment red 21 4, Pigment red 254, Pigment Yellow 73 53, Pigment Yellow 73 62, Pigment Yellow 73 110, pigment yellow 13 8, pigment yellow 13 9, Pigment Yellow 73 180, Pigment Yellow 73 191, pigment orange 64, pigment orange 72, pigment Green 7, pigment green 36, titanium dioxide.Of course it is to be understood that pigment dyestuff conventional in this area, mineral dye all can serve as the embodiment of the present invention toner use.As specific embodiment, the umber of described toner can be the concrete umbers such as 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts, 16 parts, 17 parts, 18 parts, 19 parts, 20 parts.
Antiseptic-germicide is as the critical function composition in color master batch composite, and its application that is added to color master batch composite provides prospect more widely.Add after antiseptic-germicide, the anti-microbial property of color master batch composite is improved, and makes it have painted and antibacterial dual-use function simultaneously, thereby can realize the application of the PP non-woven fabrics of preparing with color master batch composite in medical treatment, health field.As preferred embodiment, described antiseptic-germicide is nanometer silver system, zine series inorganic germicide, at least one of non-silver-based inorganic antibacterial agent, Vanillin, vanillal class organic antibacterial agent, organic and inorganic complex antimicrobials.As further preferred embodiment, described antiseptic-germicide is zeolite with carrying silver, active carbon loading silver, carries silver-colored cobaltous phosphate, carries silver-colored calcium phosphate, carries silver-colored silica gel, Silver Nitrate, Silver iodide, zinc-copper ion solid solution, Vanillin, vanillal, quaternary ammonium salt, at least one of isothiazolones.Silver, zine ion can destroy the activity of cytolemma or cellular plasm organized enzyme, have anti-microbial effect.Organic antibacterial agent can be under the effect of light, and antiseptic-germicide and water or oxygen effect generate active oxygen ion, have very strong redoxomorphism, thereby produces durable antibiotic effect.Select the type antiseptic-germicide, can effectively improve the dispersiveness of antiseptic-germicide in color master batch composite, and then give full play to its antibacterial; On the other hand, when color master batch composite is used for PP non-woven fabrics, preferred antiseptic-germicide can obviously improve the antibacterial of PP non-woven fabrics, can adapt to the medical treatment higher to antibacterial requirement, health technology field.As specific embodiment, the umber of described antiseptic-germicide can be the concrete umbers such as 20 parts, 21 parts, 22 parts, 23 parts, 24 parts, 25 parts, 26 parts, 27 parts, 28 parts, 29 parts, 30 parts.
Dispersion agent is one of composition indispensable in color master batch composite, and its interpolation can ensure that toner, antiseptic-germicide etc. on average evacuate in carrier components and aggegation does not occur.As preferred embodiment, described dispersion agent is at least one in polyethylene wax, Poly Propylene Wax, ethylene bis stearic acid amide, amine hydroxybenzene, stearate.Select this dispersion agent, can further ensure the abundant dispersion in Masterbatch of toner and antiseptic-germicide.As specific embodiment, the umber of described dispersion agent can be the concrete umbers such as 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts.
The antibacterial masterbatch grain composition for PP non-woven fabrics that the embodiment of the present invention provides, by adding suitable toner, antiseptic-germicide and dispersion agent, while making the antibacterial masterbatch grain composition that obtains for PP non-woven fabrics, not only tinting strength is high, good dispersity, spinning property are good, the spinning cycle is long, has good sterilization, fungistatic effect.
The antibacterial masterbatch grain composition for PP non-woven fabrics that the embodiment of the present invention provides can prepare by following method, certainly, also can be obtained for the method for the antibacterial masterbatch grain composition of PP non-woven fabrics and is prepared by other.
For a preparation method for the antibacterial masterbatch grain composition of PP non-woven fabrics, comprise the steps, as shown in Figure 1:
S01. take recipe ingredient: the formula according to the above-mentioned antibacterial masterbatch grain composition for PP non-woven fabrics takes respectively each component, and described carrier is divided into two portions, is respectively the first carrier and Second support;
S02. prepare pigment predispersion: toner, dispersion agent and the first carrier are carried out to melt kneading dispersion treatment, obtain pigment predispersion;
S03. melt extruding of material: Second support, antiseptic-germicide and described pigment predispersion are mixed to form after mixture, melt extrude granulation.
Particularly, in above-mentioned steps S01, for the formula of the antibacterial masterbatch grain composition of PP non-woven fabrics and each component preferred content of formula and kind as described above, in order to save length, do not repeat them here.
In the embodiment of the present invention, due to the antibacterial masterbatch grain composition that adopts the method for fractional steps for the preparation of PP non-woven fabrics, therefore, in order to make described carrier distributed uniform in color master batch composite, described carrier is divided into two portions, is respectively the first carrier and Second support.In order to make the abundant mixing of carrier and other compositions, ensure the kneading shearing force in following pigment predispersion preparation formation simultaneously, described the first carrier and Second support are required to meet certain proportion requirement.When described the first vector contg is when too much, molten system viscosity reduces, and easily causes the shear transfer of following melt kneading process inadequate, thereby affects the dispersing property of toner and antiseptic-germicide; When described the first vector contg is when very few, can cause molten system viscosity to improve, toner particle can not get effectively wetting and stable dispersion.As preferred embodiment, the per-cent that described the first carrier accounts for carrier gross weight is 10-35%.
Because the dispersing property of antiseptic-germicide composition is poor, its antibacterial effect is often difficult to realize.Therefore, when other compositions such as antiseptic-germicide and toner, dispersion agent etc. mix while melt extruding granulation simultaneously, due to dispersion agent and carrier melting moistening after, be coated competitively more micromolecular antiseptic-germicide and toner simultaneously, thereby, easily cause the inhomogeneous or part antiseptic-germicide of the size of coatedparticles or toner not by completely, be coated fully, thereby can not give full play to its action effect.In view of this,, in the embodiment of the present invention, the mode that adopts substep to disperse solves the problems referred to above.
Particularly, in above-mentioned steps S02, by a certain proportion of carrier, toner, dispersion agent adds kneader to carry out melt kneading dispersion treatment.Sample after melt kneading dispersion treatment is taken out, and fragmentation obtains pigment predispersion.By this step, after described dispersion agent and carrier melting are wetting, can first toner be carried out to stable and uniform and be coated, thus the dispersing property of guarantee toner, and then its colouring function is fully realized.As preferred embodiment, the time of described melt kneading dispersion treatment is 20-25 minute.
In above-mentioned steps S03, residue carrier, antiseptic-germicide and described pigment predispersion are mixed to form to mixture, each component are carried out to the time of mixing treatment and can adjust flexibly according to actual production conditions, as long as each component premix fully.Through this step process, coated, fully realization dispersion that described antiseptic-germicide and described pigment predispersion can further be stablized, thereby make antiseptic-germicide not only disperse the granular size of more even and dispersion also suitable, the anti-microbial property of antiseptic-germicide is able to abundant realization.As preferred embodiment, will remain carrier, the time of antiseptic-germicide and pigment predispersion combination treatment in mixing machine is 5-10 minute, after mixing by twin-screw mixer extrude, granulation, drying treatment.As further preferred embodiment, mixture is joined and in stirrer, is uniformly mixed processing.The melt extruding of said components can adopt that twin screw extruder is extruded, granulation.By the control to extrusion temperature, screw speed, vacuum tightness etc., after making fully to have an effect between each component, form stable melt, obtain the antibacterial masterbatch grain composition for PP non-woven fabrics.As preferred embodiment, described forcing machine expressing technique is: district's temperature a: 160-170 DEG C; Two district's temperature: 170-180 DEG C; Two district's temperature: 170-180 DEG C; Three district's temperature: 170-180 DEG C; Four district's temperature: 170-180 DEG C; Five district's temperature: 170-180 DEG C; Six district's temperature: 170-180 DEG C; Seven district's temperature: 170-180 DEG C; Eight district's temperature: 170-180 DEG C; Die head temperature: 180-185 DEG C.
Antibacterial masterbatch grain composition by two-step process for the preparation of PP non-woven fabrics, can make dispersion agent successively, be coated with described toner and antiseptic-germicide individually, due to the coated relation of can not competing that distributes, therefore, in the mixture distributing after being coated, toner and antiseptic-germicide all can be uniformly dispersed, further ensure the dispersing property of toner and antiseptic-germicide, meet the polymolecularity requirement that melt extrudes spinning, thereby realize the abundant realization of toner and antiseptic-germicide performance, while making antibacterial masterbatch grain composition for PP non-woven fabrics, tinctorial property is good, good anti-bacterial effect.
Now, taking the formula of the antibacterial masterbatch grain composition specifically for PP non-woven fabrics and preparation method as example, the embodiment of the present invention is further elaborated.The unit of umber can be the conventional weight unit such as g, Kg.
Embodiment 1
An antibacterial masterbatch grain composition for PP non-woven fabrics, the formula constituent that it comprises and the content of the corresponding component embodiment 1 in 1 that sees the following form.Wherein, described carrier is polypropylene, toner is that ratio of weight and number is phthalocyanine blue 15:3 and the titanium dioxide of 4:1, dispersion agent is that ratio of weight and number is Poly Propylene Wax, the ethylene bis stearic acid amide of 8:1:1, the mixture of calcium stearate, and antiseptic-germicide is that ratio of weight and number is silver-series antibacterial agent and the isothiazole ketone organic antibacterial agent of 1:1.
The preparation method of the antibacterial masterbatch grain composition of PP non-woven fabrics:
S11. take recipe ingredient: take each component by 1 formula of embodiment in table 1, and described carrier is divided into two portions, be respectively the first carrier and Second support, described the first carrier accounts for 33.3% of carrier gross weight;
S12. prepare pigment predispersion: toner, dispersion agent and the first carrier are carried out to melt kneading dispersion treatment, obtain pigment predispersion;
S13. melt extruding of material: Second support, antiseptic-germicide and described pigment predispersion are mixed to form after mixture, melt extrude granulation.
Embodiment 2
An antibacterial masterbatch grain composition for PP non-woven fabrics, the formula constituent that it comprises and the content of the corresponding component embodiment 2 in 1 that sees the following form.Wherein, described carrier is polyethylene, and toner is Pigment red 53:1, and dispersion agent is that ratio of weight and number is polyethylene wax and the calcium stearate of 10:1, and antiseptic-germicide is that ratio of weight and number is silver-series antibacterial agent and the vanillal antiseptic-germicide of 3:1.
The preparation method of the antibacterial masterbatch grain composition of PP non-woven fabrics:
S21. take recipe ingredient: take each component by 2 formulas of embodiment in table 1, and described carrier is divided into two portions, be respectively the first carrier and Second support, described the first carrier accounts for 30.6% of carrier gross weight;
S22. prepare pigment predispersion: toner, dispersion agent and the first carrier are carried out to melt kneading dispersion treatment, obtain pigment predispersion;
S23. melt extruding of material: Second support, antiseptic-germicide and described pigment predispersion are mixed to form after mixture, melt extrude granulation.
Embodiment 3
An antibacterial masterbatch grain composition for PP non-woven fabrics, the formula constituent that it comprises and the content of the corresponding component embodiment 3 in 1 that sees the following form.Wherein, described carrier is that ratio of weight and number is ethylene-propylene copolymer and the polypropylene of 1:3, and toner is titanium dioxide, and dispersion agent is polyethylene wax, and antiseptic-germicide is that ratio of weight and number is zinc system, silver system and the quaternary ammonium salt antiseptic of 1:2:1.
The preparation method of the antibacterial masterbatch grain composition of PP non-woven fabrics:
S31. take recipe ingredient: take each component by 3 formulas of embodiment in table 1, and described carrier is divided into two portions, be respectively the first carrier and Second support, described the first carrier accounts for 25% of carrier gross weight;
S32. prepare pigment predispersion: toner, dispersion agent and the first carrier are carried out to melt kneading dispersion treatment, obtain pigment predispersion;
S33. melt extruding of material: Second support, antiseptic-germicide and described pigment predispersion are mixed to form after mixture, melt extrude granulation.
Comparative example 1
A kind of PP non-woven fabrics color master batch composite, the formula constituent that it comprises and the content of the corresponding component comparative example 1 in 1 that sees the following form.Wherein, described carrier is polypropylene, toner is that ratio of weight and number is phthalocyanine blue 15:3 and the titanium dioxide of 4:1, dispersion agent is that ratio of weight and number is Poly Propylene Wax, the ethylene bis stearic acid amide of 8:1:1, the mixture of calcium stearate, and antiseptic-germicide is that ratio of weight and number is silver-series antibacterial agent and the isothiazole ketone organic antibacterial agent of 1:1.
The preparation method of color master batch composite for PP non-woven fabrics:
(1) take recipe ingredient: take recipe ingredient: take each component by 1 formula of comparative example in table 1, and described carrier is divided into two portions, be respectively the first carrier and Second support, described the first carrier accounts for 55.6% of carrier gross weight;
(2) prepare pigment predispersion: toner, dispersion agent and the first carrier are carried out to melt kneading dispersion treatment, obtain pigment predispersion;
(3) melt extruding of material: Second support, antiseptic-germicide and described pigment predispersion are mixed to form after mixture, melt extrude granulation.
Comparative example 2
A kind of PP non-woven fabrics color master batch composite, the formula constituent that it comprises and the content of the corresponding component comparative example 2 in 1 that sees the following form.Wherein, described carrier is polyethylene, and toner is Pigment red 53:1, and dispersion agent is that ratio of weight and number is polyethylene wax and the calcium stearate of 10:1, antiseptic-germicide vanillal antiseptic-germicide.
The preparation method of color master batch composite for PP non-woven fabrics:
(1) take recipe ingredient: take each component by 2 formulas of comparative example in table 1
(2) prepare mixture: toner, antiseptic-germicide, dispersion agent and carrier are mixed in mixing machine, obtain mixture;
(3) melt extruding of material: mixture is mixed to form after mixture, melt extrudes, granulation.
Comparative example 3
A kind of PP non-woven fabrics color master batch composite, the formula constituent that it comprises and the content of the corresponding component comparative example 3 in 1 that sees the following form.Wherein, described carrier is that ratio of weight and number is ethylene-propylene copolymer and the polypropylene of 1:2, and toner is titanium dioxide, and dispersion agent is polyethylene wax, and antiseptic-germicide is that ratio of weight and number is zinc system and the silver-series antibacterial agent of 1:1.
The preparation method of color master batch composite for PP non-woven fabrics:
(1) take recipe ingredient: take each component by 3 formulas of comparative example in table 1
(2) prepare mixture: toner, antiseptic-germicide, dispersion agent and carrier are mixed in mixing machine, obtain mixture;
(3) melt extruding of material: mixture is mixed to form after mixture, melt extrudes, granulation.
Performance test
The antibacterial masterbatch grain composition of the PP non-woven fabrics that above-mentioned comparative example 1-3 and embodiment 1-3 are prepared carries out performance test, and correlated performance unit, testing method are as follows:
(1) melting index (g/10min): melting index is pressed ASTM D-1238 test;
(2) value of chromatism (⊿ E): value of chromatism is pressed CIELab test;
(3) anti-microbial property test: the PP non-woven fabrics that is 6% by antibacterial masterbatch grain addition carries out anti-microbial property test, QB/T2591-2003 test is pressed in anti-microbial property test.
The each component composition of color master batch composite of embodiment 1-3 and comparative example 1-3 is shown in Table 1, and its melting index (190 DEG C/2.16KG), filter pressure value, value of chromatism test result are shown in Table 2, and its anti-microbial property test result is shown in Table 3:
Table 1
Table 2
Table 3
The antibacterial masterbatch grain composition for PP non-woven fabrics that comparative example 1 provides, because the first carrier proportion is excessive, cause toner and antiseptic-germicide cannot realize abundant dispersion, and then affected tinctorial property and the anti-microbial property of the PP non-woven fabrics that uses color master batch composite production; And in comparative example 2,3, adopt a step to mix the mode of all materials, also cannot solve the problem of the abundant dispersion of toner and antiseptic-germicide, the PP non-woven fabrics of being produced by its color master batch composite, its tinctorial property and anti-microbial property are obviously very poor, cannot be used for medical treatment, health etc. to the field antibacterial, tinctorial property is had relatively high expectations.The antibacterial masterbatch grain composition of the PP non-woven fabrics that the embodiment of the present invention provides, not only mechanical property is good for it, and tinctorial property is good, value of chromatism all≤0.5, meanwhile, its anti-microbial property excellence, all has excellent antibacterial effect to Candida albicans, streptococcus aureus, intestinal bacteria, its antibiotic rate reaches respectively 99%, 97% and 100%, makes antibacterial masterbatch grain composition can meet the application of PP non-woven fabrics in medical treatment, health etc. have the field of painted, antibacterial dual high request.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. for an antibacterial masterbatch grain composition for PP non-woven fabrics, it is characterized in that, comprise the following recipe ingredient of following parts by weight:
Wherein, described antiseptic-germicide is at least one of nanometer silver system, zine series inorganic germicide, non-silver-based inorganic antibacterial agent, Vanillin, vanillal class organic antibacterial agent, organic and inorganic complex antimicrobials.
2. the antibacterial masterbatch grain composition for PP non-woven fabrics as claimed in claim 1, it is characterized in that, described antiseptic-germicide is zeolite with carrying silver, active carbon loading silver, carries silver-colored cobaltous phosphate, carries silver-colored calcium phosphate, carries silver-colored silica gel, Silver Nitrate, Silver iodide, zinc-copper ion solid solution, Vanillin, vanillal, quaternary ammonium salt, at least one of isothiazolones.
3. the antibacterial masterbatch grain composition for PP non-woven fabrics as claimed in claim 1, it is characterized in that, described toner is phthalocyanine blue 15:1, phthalocyanine blue 15:3, phthalocyanine blue 15:4, Pigment red 53:1, Pigment red 57:1, pigment red 4 8:1, pigment red 4 8:2, pigment red 4 8:3, pigment red 122, Pigment red 170, Pigment red 164, Pigment red 166, pigment red 21 4, Pigment red 254, Pigment Yellow 73 53, Pigment Yellow 73 62, Pigment Yellow 73 110, pigment yellow 13 8, pigment yellow 13 9, Pigment Yellow 73 180, Pigment Yellow 73 191, pigment orange 64, pigment orange 72, pigment Green 7, pigment green 36, at least one in titanium dioxide.
4. the antibacterial masterbatch grain composition for PP non-woven fabrics as described in as arbitrary in claim 1-3, is characterized in that, described dispersion agent is at least one in polyethylene wax, Poly Propylene Wax, ethylene bis stearic acid amide, amine hydroxybenzene, stearate.
5. the antibacterial masterbatch grain composition for PP non-woven fabrics as described in as arbitrary in claim 1-3, is characterized in that, described carrier is polyethylene, polypropylene, at least one of ethylene-propylene copolymer.
6. for a preparation method for the antibacterial masterbatch grain composition of PP non-woven fabrics, comprise the steps:
Formula according to the arbitrary described antibacterial masterbatch grain composition for PP non-woven fabrics of claim 1-5 takes respectively each component, and described carrier is divided into two portions, is respectively the first carrier and Second support;
Toner, dispersion agent and the first carrier are carried out to melt kneading dispersion treatment, obtain pigment predispersion;
Second support, antiseptic-germicide and described pigment predispersion are mixed to form after mixture, melt extrude granulation.
7. the preparation method of the antibacterial masterbatch grain composition for PP non-woven fabrics as described in as arbitrary in claim 6, is characterized in that, the per-cent that described the first carrier accounts for carrier gross weight is 10-35%.
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