CN104109332A - Antimicrobial thermoplastic elastomer, and preparation method and application thereof - Google Patents
Antimicrobial thermoplastic elastomer, and preparation method and application thereof Download PDFInfo
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- CN104109332A CN104109332A CN201410317145.4A CN201410317145A CN104109332A CN 104109332 A CN104109332 A CN 104109332A CN 201410317145 A CN201410317145 A CN 201410317145A CN 104109332 A CN104109332 A CN 104109332A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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Abstract
The invention discloses an antimicrobial thermoplastic elastomer, and a preparation method and application thereof. The antimicrobial thermoplastic elastomer comprises the following components in percentage by weight: 15-30% of SEBS (styrene-ethylene-butadiene-styrene), 10-30% of rubber filling oil, 10-25% of polyurethane, 15-30% of antimicrobial master batch, 5-25% of first inorganic filler, 5-15% of first compatilizer and 0-2% of other assistants. The preparation method comprises the following steps: weighing the components; and melting, mixing and extruding the components in a side feed mode. The antimicrobial thermoplastic elastomer has the advantages of excellent antimicrobial effect and excellent softness and obviously higher bonding property. The preparation method enhances the dispersity of the components under the high-speed shearing action, so that the prepared elastomeric material has stable performance.
Description
Technical field
The invention belongs to technical field of polymer materials, particularly a kind of antibacterial thermoplastic elastomer and preparation method thereof and application.
Background technology
In recent years, along with the raising of people's living standard and the enhancing of health perception, people apply antiseptic-germicide and develop anti-biotic material and antimicrobial prod, make its self-cleaning function with " Antimicrobial sanitation ".From the development of domestic and international anti-biotic material, antibiotic plastic is anti-biotic material with fastest developing speed, most widely used model, and the developing rapidly of synthetic resins such as this and plastics is closely-related.Antibiotic plastic is a kind of new function material, has been widely used in multiple fields such as household electrical appliances, food product pack, cultural goods, kitchenware and sanitary ware, auto parts machinery, has the features such as sterilization timeliness is long, economic, easy to use.Development and research have the novel plastic goods of anti-microbial property, for improve people living environment, reduce the aspects such as disease incident, to protect mankind be healthy and be all of great practical significance.
Thermoplastic elastomer has the characteristic of rubber and thermoplastics concurrently, be widely used in the closely-related product of human lives in, it has good texture, feel and weathering resistance.Therefore its to have anti-microbial property particularly important.The high-performances such as antibacterial thermoplastic elastomer has superior anti-microbial property, has extremely strong adhesive property, and feel is soft.But current antibacterial thermoplastic elastomer is abroad almost monopolized, current antibacterial thermoplastic elastomer is on the market mostly import, cause price high, therefore how to develop voluntarily a kind of antibacterial thermoplastic elastomer of excellent performance, break external monopolization, reducing use cost is the problem that current domestic needs overcome.
Summary of the invention
The above-mentioned deficiency that the object of the invention is to overcome prior art, provides a kind of antibacterial thermoplastic elastomer and preparation method thereof, to solve existing antibacterial thermoplastic elastomer dependence on import, technical problem that cost is high.
In order to realize foregoing invention object, technical scheme of the present invention is as follows:
A kind of antibacterial thermoplastic elastomer, comprises the component of following weight percent:
And a kind of antibacterial process for preparation of thermoplastic elastomer, comprises the following steps:
Take respectively each component according to above-mentioned antibacterial thermoplastic elastomer;
By the described antibacterial matrices taking, SEBS, rubber filling oil, urethane and the first compatilizer carry out mixing treatment, obtain the first mixture;
Described the first mineral filler and other auxiliary agents are carried out to mixing treatment, obtain the second material;
Described the first mixture is added and become owner of in opening for feed, in described the second material joining side opening for feed, melt extrude processing, obtain antibacterial thermoplastic elastomer.
And, the application of above-mentioned antibacterial thermoplastic elastomer in household cookware, automobile, toy or electric equipment products.
Compared with prior art, above-mentioned antibacterial thermoplastic elastomer has excellent antibacterial effect by using antibacterial matrices to give thermoplastic elastomer; By using SEBS as body material, the softness of thermoplastic elastomer is promoted greatly; By the interaction of SEBS, urethane and above-mentioned compatilizer, the adhesive property of realizing thermoplastic elastomer significantly increases.There is this excellent properties just because of this antibacterial thermoplastic elastomer, it can be widely used in household cookware, automobile or electric equipment products, avoid household cookware, automobile or electric equipment products to use the antibacterial thermoplastic elastomer of dependence on import, the effectively lower production cost of the products such as household cookware, automobile or electric equipment products, has promoted its market competitiveness.
Above-mentioned antibacterial thermoplastic elastic preparation adopts the mode of side charging that each component melts is extruded, and makes each component under high speed shear effect, has reduced viscosity, has strengthened the dispersiveness of each component, makes the elastomer material stable performance of preparation.The method only needs each component to be mixed and to be extruded by formula simultaneously, simple to operate, with low cost, is very suitable for suitability for industrialized production.
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 embodiment, 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.
The polycarbonate compositions that the embodiment of the present invention provides a kind of superhigh tenacity halogen-free flameproof to strengthen.Said composition comprises following components by weight percent:
Particularly, above-mentioned this SEBS and urethane are matrix resin, play the effect of carrier.Wherein, this SEBS refers to taking polystyrene as end segment, the ethylene-butene copolymer obtaining taking polyhutadiene hydrogenation be in the middle of the linearity three embedding multipolymers of elastomeric block.In specific embodiment, the content of this SEBS can be 15%, 18%, 20%, 22%, 25%, 26%, 28%, 30% etc.
Above-mentioned urethane refers to polyurethane(s), is the general designation that contains the macromolecular cpd of repetition carbamate groups on main chain, is formed by organic diisocyanate or polyisocyanates and dihydroxyl or polyol addition polymerization.This urethane is taking imported raw material as good, and for example, this thermoplastic polyurethane is one or both in S60AW, S70AW.In specific embodiment, the content of this urethane can be 10%, 12%, 15%, 17%, 18%, 20%, 22%, 23%, 25% etc.
Above-mentioned rubber filling oil is commercially available prod, the rubber filling oil of preferred movement modest viscosity, and its viscosity the best is 30-60cst (40 DEG C).In specific embodiment, this rubber filling oil is selected one or both mixtures in epoxy group(ing) rubber oil, paraffinic base rubber oil.In specific embodiment, the content of this rubber filling oil can be 10%, 12%, 13%, 15%, 18%, 20%, 22%, 25%, 26%, 28%, 30% etc.
Above-mentioned antibacterial matrices is scattered in above-mentioned antibacterial thermoplastic elastomer, in other component effects, gives the anti-microbial property of this antibacterial thermoplastic elastomer excellence, improves and the consistency of other components and the related mechanical properties of the antibacterial thermoplastic elastomer of improvement simultaneously.In a preferred embodiment, taking described antibacterial matrices gross weight as 100%, this antibacterial matrices comprises following component:
In one embodiment, in the oil-filled SEBS blend of this antiseptic-germicide and low hardness polyurethane and/or 1:1, this antiseptic-germicide ratio is 2.5-5%.
In specific embodiment, this antiseptic-germicide select american wheat can class (Microban), Switzerland mountain peaceful safe (Sanitized), at least one in clean your the beautiful visitor (zeomic) of Japan, the U.S. Qi (Arch), Japanese stoneman nitre ISHIZUKA (IONPURE) difficult to understand, the synthetic TOAGOSEI (NOVARON) in Japanese East Asia.
In one embodiment, to select hardness be the urethane of 65-85A to above-mentioned low hardness polyurethane.The oil-filled SEBS of 1:1 can the section of selecting rises 1651,1654, one or more in the YH503 of 4044,4033 or Yueyang chemistry of Kuraray.
In one embodiment, above-mentioned the second compatilizer can the section of selecting rise 1901, at least one in TP5265 or the POE-g-MAH of Kuraray.
In one embodiment, above-mentioned the second mineral filler can be selected at least one in calcium carbonate superfine powder, superfine talcum powder, polynite.
In one embodiment, above-mentioned thermo-stabilizer can be selected at least one in rare earth-Zn composite heat stabilizer, Ca-Zn composite heat stabilizer.Not there is not chemistry inefficacy with antiseptic-germicide and react in this thermo-stabilizer, thereby has ensured the anti-microbial property of antibacterial matrices.
In one embodiment, the content of above-mentioned antibacterial matrices in antibacterial thermoplastic elastomer can be 15%, 18%, 20%, 22%, 25%, 26%, 28%, 30% etc.
In one embodiment, above-mentioned antibacterial matrices can be prepared as follows acquisition:
The each component taking according to the component of above-mentioned this antibacterial matrices, will respectively carry out melt extruding after mixing treatment; The described processing condition that melt extrude are: twin-screw extrusion temperature range is 160-185 DEG C, and die head temperature is controlled between 170-180 DEG C, and requirement vacuumizes and the residence time is no more than 10S.
One or more mixtures in calcium carbonate superfine powder, superfine talcum powder, acicular wollastonite are selected in above-mentioned the first mineral filler.In one embodiment, the diameter≤15um of this first mineral filler, is preferably less than 10 microns.Or further, the length-to-diameter ratio of this first mineral filler is at least 15.
In one embodiment, this first mineral filler is selected through surface modification treatment mineral filler, this modification refers to: in the first mineral filler, add silane coupling agent, be uniformly mixed modification, wherein, the quality consumption ratio of the first mineral filler and silane coupling agent is (50-100): 1.Both specifically do not limit hybrid mode.Adopt modified inorganic filler in above-mentioned thermoplastic elastomer, to play enhancing mechanical property, as the effect of intensity, can also improve the effect of old of goods thermotolerance, dimensional stability and reduction.
In addition, the content of this first mineral filler can affect the toughness of above-mentioned thermoplastic elastomer, if along with the increase of its consumption, the toughness of above-mentioned thermoplastic elastomer can reduce.Therefore,, in specific embodiment, the content of this first mineral filler can be 5%, 7%, 8%, 9%, 10%, 12%, 15%, 17%, 18%, 20%, 22%, 23%, 25% etc.
The interaction of the components such as above-mentioned the first compatilizer and above-mentioned SEBS, urethane, the adhesive property of realizing above-mentioned antibacterial thermoplastic elastomer significantly increases and stability.This first compatilizer is selected from hydrogenation thermoplastic styrene butadiene rubber-maleic anhydride grafts, hydrogenation thermoplastic styrene butadiene rubber-methyl methacrylate-grafted thing, thermoplastic styrene butadiene rubber-maleic anhydride and connects at least one in grafts, hydrogenation thermoplastic styrene butadiene rubber-thermoplastic polyurethane copolymer, thermoplastic styrene butadiene rubber-methyl methacrylate-grafted thing.This first compatilizer has improved the consistency between formula each component, has improved the diversity of formula and the diversity of material property.
In addition, the stability of the above-mentioned antibacterial thermoplastic elastomer of the addition of above-mentioned the first compatilizer impact.As very few in its addition, there is peeling demixing phenomenon in material; Cross and increase at most cost, also can further improve the adhesive property of material simultaneously.Therefore,, in specific embodiment, the content of above-mentioned compatilizer can be 5%, 6%, 7%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15% etc.
Above-mentioned other auxiliary agents can be the components such as oxidation inhibitor, dispersion agent.In a preferred embodiment, these other auxiliary agents comprise that weight percentage is the dispersion agent that 0.1～0.5% oxidation inhibitor and/or weight percentage are 0.05～1.5%.
In one embodiment, this oxidation inhibitor is selected from four [β-(3 of Irganox1010, Ciba fine chemicals's production, 5-di-t-butyl-4 hydroxyphenyl) propionic acid] pentaerythritol ester, Irganox168, Ciba fine chemicals produce three (2,4 one di-tert-butylphenols) at least one in phosphorous acid vinegar, the preferably mixture of two kinds of oxidation inhibitor.Dispersion agent is selected from the conventional dispersion agent in this area, and in one embodiment, dispersion agent is selected ethylene glycol.
As the above analysis, each component of the antibacterial thermoplastic elastomer of above-described embodiment cooperatively interacts, and forms an overall technical scheme, anti-microbial property, cohesiveness and flexible aspect the larger improvement that obtains.Wherein, SEBS and urethane are matrix resin, play the effect of carrier; Antibacterial matrices and compatilizer etc. are functional modifiers, and anti-microbial property, toughness and the cohesiveness of SEBS are got a promotion; State in the use in the situation of matrix resin, antibacterial matrices and the first mineral filler of weight percentage, select especially above-mentioned the first compatilizer and consumption thereof, improve the consistency between each component, prevent from adding the phenomenons such as the peeling that occurs after above-mentioned properties-correcting agent, layering, dust in SEBS.
Just because above-mentioned antibacterial thermoplastic elastomer has the performances such as excellent anti-microbial property, feel be soft, make not dust of its clean appearance, without any need for tackiness agent just can with the metlbonds such as thermoplastics ABS, PC and aluminium, and the working method that can adopt traditional thermoplastic resin carries out injection moulding or extrude machine-shaping, the goods of gained have good tensile strength and elasticity, wear-resisting, antifatigue and various hardness.Therefore, it can be widely used in household cookware, automobile, toy or electric equipment products.
Correspondingly, the embodiment of the present invention also provides above-mentioned antibacterial process for preparation of thermoplastic elastomer.The method comprises the steps:
S01: take respectively each component according to above-mentioned antibacterial thermoplastic elastomer;
S02: the antibacterial matrices that step S01 is taken, SEBS, rubber filling oil, urethane and the first compatilizer carry out mixing treatment, obtain the first mixture;
S03: the first mineral filler that step S01 is taken and other auxiliary agents carry out mixing treatment, obtain the second material;
S04: the first mixture that step S02 is obtained adds becomes owner of in opening for feed, melt extrudes processing in described the second material joining side opening for feed that step S03 obtains, and obtains antibacterial thermoplastic elastomer.
Particularly, the antibacterial thermoplastic elastomer in above-mentioned steps S01 with and each component preferred content and kind as described above, in order to save length, do not repeat them here.Wherein, antibacterial matrices can prepare according to method mentioned above.
Mixing treatment in above-mentioned steps S02, S03 can be carried out according to conventional mixing method, as stirred etc., as long as each component is mixed.In addition, above-mentioned steps S02, S03 order in no particular order.
In above-mentioned steps S04, the first mixture adds from major ingredient mouth, and glass fibre adds and carries out extruding melting mixing from side material mouth.Adopt the mode of side charging that each component in each component melts extrusion, under high speed shear effect, has been reduced to viscosity, strengthened the dispersiveness of each component, make the elastomer material stable performance of preparation.
Described in this step S04, melt extruding processing can adopt single screw extrusion machine or twin screw extruder to extrude, in one embodiment, described single screw extrusion machine or twin screw extruder internal temperature are 165～195 DEG C, and described single screw extrusion machine or twin screw extruder die head and die temperature are 195～205 DEG C.These processing condition that preferably melt extrude can make the abundant melting of each component and disperse, and make the elastomer material stable performance of preparation better.
In addition, adopt the mode of side charging that each component melts is extruded, the method is simple to operate, with low cost, is very suitable for suitability for industrialized production.
Now, taking antibacterial thermoplastic elastomer and preparation method as example, the present invention is further elaborated.
Embodiment 1:
A kind of antibacterial thermoplastic elastomer and preparation method thereof.The component that this antibacterial thermoplastic elastomer comprises and content thereof are as the embodiment 1 in table 1 below.
Wherein, urethane selects S60AW, mineral filler to select diameter to be less than 10 microns of calcium carbonate superfine powders, and compatilizer is selected hydrogenation thermoplastic styrene butadiene rubber-maleic anhydride grafts, and oxygenant is selected Irganox1010, and dispersion agent is selected ethylene glycol.Antibacterial matrices comprise american wheat can class antiseptic-germicide 5%, 65-85A low hardness polyurethane 80%, section 1901 compatilizers 5%, calcium carbonate superfine powder mineral filler 9.5%, the rare earth-Zn composite heat stabilizer 0.5% of rising.This antibacterial matrices preparation is that its respective components is carried out after mixing treatment, and in twin-screw extrusion, its extrusion temperature scope is 160-185 DEG C, and die head temperature is controlled between 170-180 DEG C, and requirement vacuumizes and the residence time is no more than 10S.
Its preparation method is as follows:
S11: take respectively each component according to above-mentioned antibacterial thermoplastic elastomer;
S12: the antibacterial matrices that step S11 is taken, SEBS, rubber filling oil, urethane and the first compatilizer carry out mixing treatment, obtain the first mixture;
S13: the first mineral filler that step S11 is taken and other auxiliary agents carry out mixing treatment, obtain the second material;
S14: the first mixture that step S12 is obtained adds in the main opening for feed of twin screw, melt extrudes processing in described the second material joining side opening for feed that step S13 obtains, and obtains antibacterial thermoplastic elastomer.Wherein, the control of twin screw extruder internal temperature is 165～195 DEG C, and twin screw extruder die head and die temperature control are 195～205 DEG C.
Embodiment 2:
A kind of antibacterial thermoplastic elastomer and preparation method thereof.The component that this antibacterial thermoplastic elastomer comprises and content thereof are as the embodiment 2 in table 1 below.
Wherein, urethane selects S70AW, mineral filler to select diameter to be less than 10 microns of superfine talcum powders, compatilizer is selected hydrogenation thermoplastic styrene butadiene rubber-methyl methacrylate-grafted thing, antioxidant is selected four [β-(3,5-di-t-butyl-4 hydroxyphenyl) propionic acid] pentaerythritol ester, dispersion agent is selected ethylene glycol.Antibacterial matrices comprises the peaceful safe antiseptic-germicide 5% in Switzerland mountain, the oil-filled SEBS80% of 1:1, the TP5265 compatilizer 5% of Kuraray, superfine talcum powder mineral filler 9.5%, Ca-Zn composite heat stabilizer 0.5%.Its preparation method is as the antibacterial matrices preparation method of embodiment 1.
This antibacterial thermoplastic elastic preparation is with reference to embodiment 1.
Embodiment 3:
A kind of antibacterial thermoplastic elastomer and preparation method thereof.The component that this antibacterial thermoplastic elastomer comprises and content thereof are as the embodiment 3 in table 1 below.
Wherein, urethane selects S70AW, mineral filler to select diameter to be less than 10 microns of acicular wollastonites, compatilizer selects thermoplastic styrene butadiene rubber-maleic anhydride to connect grafts, antioxidant is selected four [β-(3,5-di-t-butyl-4 hydroxyphenyl) propionic acid] pentaerythritol ester, dispersion agent is selected ethylene glycol.Antibacterial matrices comprises the U.S. objective antiseptic-germicide 5% of the clean that of Japan, 65-85A low hardness polyurethane 5%, POE-g-MAH compatilizer 10%, polynite mineral filler 4.5%, rare earth-Zn composite heat stabilizer 0.5%.Its preparation method is as the antibacterial matrices preparation method of embodiment 1.
This antibacterial thermoplastic elastic preparation is with reference to embodiment 1.
Embodiment 4:
A kind of antibacterial thermoplastic elastomer and preparation method thereof.The component that this antibacterial thermoplastic elastomer comprises and content thereof are as the embodiment 4 in table 1 below.
Wherein, urethane selects S70AW, mineral filler to select diameter to be less than 10 microns of acicular wollastonites, compatilizer is selected hydrogenation thermoplastic styrene butadiene rubber-thermoplastic polyurethane copolymer, antioxidant is selected four [β-(3,5-di-t-butyl-4 hydroxyphenyl) propionic acid] pentaerythritol ester, dispersion agent is selected ethylene glycol.Antibacterial matrices comprises the peaceful safe antiseptic-germicide 4% in Switzerland mountain, the oil-filled SEBS86% of 1:1, the TP5265 compatilizer 5% of Kuraray, superfine talcum powder mineral filler 4%, Ca-Zn composite heat stabilizer 1%.Its preparation method is as the antibacterial matrices preparation method of embodiment 1.
This antibacterial thermoplastic elastic preparation is with reference to embodiment 1.
Embodiment 5:
A kind of antibacterial thermoplastic elastomer and preparation method thereof.The component that this antibacterial thermoplastic elastomer comprises and content thereof are as the embodiment 5 in table 1 below.
Wherein, urethane selects S70AW, mineral filler to select diameter to be less than 10 microns of acicular wollastonites, and compatilizer is selected thermoplastic styrene butadiene rubber-methyl methacrylate-grafted thing, and antioxidant selects three (2,4 one di-tert-butylphenols) phosphorous acid vinegar, dispersion agent is selected ethylene glycol.Antibacterial matrices comprise american wheat can class antiseptic-germicide 4%, 65-85A low hardness polyurethane 76%, POE-g-MAH compatilizer 10%, polynite mineral filler 9.5%, rare earth-Zn composite heat stabilizer 0.5%.
Its preparation method is with reference to embodiment 1.
Embodiment 6:
A kind of antibacterial thermoplastic elastomer and preparation method thereof.The component that this antibacterial thermoplastic elastomer comprises and content thereof are as the embodiment 6 in table 1 below.
Wherein, urethane selects S70AW, mineral filler to select diameter to be less than 10 microns of acicular wollastonites, and compatilizer is selected thermoplastic styrene butadiene rubber-methyl methacrylate-grafted thing, and antioxidant selects three (2,4 one di-tert-butylphenols) phosphorous acid vinegar, dispersion agent is selected ethylene glycol.Antibacterial matrices comprise american wheat can class antiseptic-germicide 4%, the oil-filled SEBS76% of 1:1, the TP5265 compatilizer 10% of Kuraray, superfine talcum powder mineral filler 9.5%, Ca-Zn composite heat stabilizer 0.5%.Its preparation method is as the antibacterial matrices preparation method of embodiment 1.
This antibacterial thermoplastic elastic preparation is with reference to embodiment 1.
Embodiment 7:
A kind of antibacterial thermoplastic elastomer and preparation method thereof.The component that this antibacterial thermoplastic elastomer comprises and content thereof are as the embodiment 7 in table 1 below.
Wherein, urethane selects S70AW, mineral filler to select diameter to be less than 10 microns of acicular wollastonites, and compatilizer is selected thermoplastic styrene butadiene rubber-methyl methacrylate-grafted thing, and antioxidant selects three (2,4 one di-tert-butylphenols) phosphorous acid vinegar, dispersion agent is selected ethylene glycol.Antibacterial matrices comprises the peaceful safe antiseptic-germicide 4% in Switzerland mountain, 65-85A low hardness polyurethane 9.5%, the oil-filled SEBS76% of 1:1, the TP5265 compatilizer 10% of Kuraray, superfine talcum powder mineral filler 9.5%, Ca-Zn composite heat stabilizer 0.5%.Its preparation method is as the antibacterial matrices preparation method of embodiment 1.
This antibacterial thermoplastic elastic preparation is with reference to embodiment 1.
Comparative example 1:
A kind of antibacterial thermoplastic elastomer and preparation method thereof.This antibacterial thermoplastic elastomer each component is as in embodiment 7.It is different with content that difference is not contain antibacterial matrices.
Performance test:
Carry out respectively as the performance test in table 2 preparing antibacterial thermoplastic elastomer in above-described embodiment 1 to embodiment 7 and comparative example 1.Correlated performance test result is as shown in below table 2.
Table 1
Table 2
Can find out from table 2 embodiment 1-7, the antibacterial thermoplastic elastomer of the embodiment of the present invention has excellent mechanical property and anti-microbial property.Wherein, its anti-microbial property strengthens along with the increase of the consumption of antibacterial matrices.
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 (10)
1. an antibacterial thermoplastic elastomer, comprises the component of following weight percent:
2. antibacterial thermoplastic elastomer according to claim 1, is characterized in that: taking described antibacterial matrices gross weight as 100%, described antibacterial matrices comprises following component:
3. antibacterial thermoplastic elastomer according to claim 2, is characterized in that: described antiseptic-germicide select american wheat can class, clean your the beautiful visitor of peaceful safe, the Japan in Switzerland mountain, U.S. Qi difficult to understand, Japanese stoneman nitre ISHIZUKA, Japanese East Asia synthesize at least one in TOAGOSEI; And/or
Described the second compatilizer section of being selected from rise 1901, at least one in TP5265 or the POE-g-MAH of Kuraray; And/or
Described the second mineral filler is selected from least one in calcium carbonate superfine powder, superfine talcum powder, polynite; And/or
Described thermo-stabilizer is selected from least one in rare earth-Zn composite heat stabilizer, Ca-Zn composite heat stabilizer.
4. antibacterial thermoplastic elastomer according to claim 1, is characterized in that: described the first compatilizer be selected from hydrogenation thermoplastic styrene butadiene rubber-maleic anhydride grafts, hydrogenation thermoplastic styrene butadiene rubber-methyl methacrylate-grafted thing, thermoplastic styrene butadiene rubber-maleic anhydride connect in grafts, hydrogenation thermoplastic styrene butadiene rubber-thermoplastic polyurethane copolymer or thermoplastic styrene butadiene rubber-methyl methacrylate-grafted thing at least one.
5. according to the arbitrary described antibacterial thermoplastic elastomer of claim 1-4, it is characterized in that: described the first mineral filler is selected from Paris white, at least one in talcum powder and wollastonite powder; And/or
Described rubber filling oil is selected from one or both mixtures in epoxy group(ing) rubber oil, paraffinic base rubber oil; And/or
Other auxiliary agents comprise that weight percentage is the dispersion agent that 0.1～0.5% oxidation inhibitor and/or weight percentage are 0.05～1.5%.
6. an antibacterial process for preparation of thermoplastic elastomer, comprises the following steps:
Take respectively each component according to the antibacterial thermoplastic elastomer described in claim 1～5 any one;
By the described antibacterial matrices taking, SEBS, rubber filling oil, urethane and the first compatilizer carry out mixing treatment, obtain the first mixture;
Described the first mineral filler and other auxiliary agents are carried out to mixing treatment, obtain the second material;
Described the first mixture is added and become owner of in opening for feed, in described the second material joining side opening for feed, melt extrude processing, obtain antibacterial thermoplastic elastomer.
7. antibacterial process for preparation of thermoplastic elastomer according to claim 6, it is characterized in that: described in melt extrude that to process be to adopt single screw extrusion machine or twin screw extruder to extrude, described single screw extrusion machine or twin screw extruder internal temperature are 165～195 DEG C, and described single screw extrusion machine or twin screw extruder die head and die temperature are 195～205 DEG C.
8. according to the antibacterial process for preparation of thermoplastic elastomer described in claim 6 or 7, it is characterized in that, described antibacterial matrices preparation method is as follows:
To take respectively each component as the antibacterial matrices as described according to claim 3 or 4;
The each component of described antibacterial matrices taking is carried out melt extruding processing after mixing treatment.
9. antibacterial process for preparation of thermoplastic elastomer according to claim 8, is characterized in that: the each component of described antibacterial matrices taking is carried out melt extruding after mixing treatment; The described processing condition that melt extrude are: twin-screw extrusion temperature range is 160-185 DEG C, and die head temperature is controlled between 170-180 DEG C, and requirement vacuumizes and the residence time is no more than 10S.
10. the application in household cookware, automobile, toy or electric equipment products according to the prepared antibacterial thermoplastic elastomer of the antibacterial process for preparation of thermoplastic elastomer described in antibacterial thermoplastic elastomer or claim 6～9 any one described in claim 1～5 any one.
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Cited By (7)
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| CN106243742A (en) * | 2016-08-04 | 2016-12-21 | 深圳市炫丽塑胶科技有限公司 | A kind of aqueous self-lubricating thermoplastic elastomer and its production and use |
| CN106751372A (en) * | 2016-12-30 | 2017-05-31 | 慈溪市山今高分子塑料有限公司 | A kind of TPE material and its preparation technology for encapsulated ABS |
| CN106883593A (en) * | 2017-04-07 | 2017-06-23 | 房小明 | A kind of high intensity antibacterial thermoplastic elastomer (TPE) and preparation method thereof |
| CN106947240A (en) * | 2017-03-07 | 2017-07-14 | 深圳市奇道精密导管有限公司 | A kind of medical antibacterial polymer composite and preparation method and application |
| CN110294944A (en) * | 2018-03-22 | 2019-10-01 | 金猴集团威海鞋业有限公司 | A kind of novel antibacterial elastomer |
| WO2019233822A1 (en) | 2018-06-08 | 2019-12-12 | Arcelik Anonim Sirketi | A thermoplastic elastomer composition |
| CN117264360A (en) * | 2023-09-15 | 2023-12-22 | 苏州创扬新材料科技股份有限公司 | Medical antibacterial thermoplastic elastomer and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106243742A (en) * | 2016-08-04 | 2016-12-21 | 深圳市炫丽塑胶科技有限公司 | A kind of aqueous self-lubricating thermoplastic elastomer and its production and use |
| CN106751372A (en) * | 2016-12-30 | 2017-05-31 | 慈溪市山今高分子塑料有限公司 | A kind of TPE material and its preparation technology for encapsulated ABS |
| CN106947240A (en) * | 2017-03-07 | 2017-07-14 | 深圳市奇道精密导管有限公司 | A kind of medical antibacterial polymer composite and preparation method and application |
| CN106883593A (en) * | 2017-04-07 | 2017-06-23 | 房小明 | A kind of high intensity antibacterial thermoplastic elastomer (TPE) and preparation method thereof |
| CN110294944A (en) * | 2018-03-22 | 2019-10-01 | 金猴集团威海鞋业有限公司 | A kind of novel antibacterial elastomer |
| WO2019233822A1 (en) | 2018-06-08 | 2019-12-12 | Arcelik Anonim Sirketi | A thermoplastic elastomer composition |
| CN117264360A (en) * | 2023-09-15 | 2023-12-22 | 苏州创扬新材料科技股份有限公司 | Medical antibacterial thermoplastic elastomer and preparation method thereof |
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Application publication date: 20141022 |