CN104045960A - Antibacterial scratch-resistant thermoplastic elastomer composition and preparation method thereof - Google Patents
Antibacterial scratch-resistant thermoplastic elastomer composition and preparation method thereof Download PDFInfo
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- CN104045960A CN104045960A CN201410285786.6A CN201410285786A CN104045960A CN 104045960 A CN104045960 A CN 104045960A CN 201410285786 A CN201410285786 A CN 201410285786A CN 104045960 A CN104045960 A CN 104045960A
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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
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
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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
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—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
- 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
-
- 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
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
-
- 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
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- 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
- B29C2948/92009—Measured parameter
- B29C2948/92266—Mechanical properties
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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
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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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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- Mechanical Engineering (AREA)
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Abstract
The invention relates to an antibacterial scratch-resistant thermoplastic elastomer composition which is prepared from the following raw materials by weight percent: 15-25% of styrene thermoplastic elastomer, 25-40% of plasticizer, 6-10% of polypropylene, 0.5-2% of polyolefin thermoplastic elastomer, 30-40% of inorganic mineral, 0.6-0.9% of compatilizer, 0.06-0.2% of antibacterial agent, and 0.01-0.2% of additive. The invention also provides a preparation method for the antibacterial scratch-resistant thermoplastic elastomer composition. The thermoplastic elastomer composition has excellent antibacterial performance and surface scratch resistance as well as strong adhesive force, is kept attractive for long, and can be tightly bonded on the matrix in secondary forming, and the product made of the thermoplastic elastomer composition has a function of resisting bacteria and mould. The thermoplastic elastomer composition can be used for secondary forming (such as, rubber coating of tooth brushes, tool handles and the like), or can be used for forming alone (such as manufacturing bottle plugs).
Description
Technical field
The composition that the present invention relates to macromolecular compound, is specifically related to composition for thermoplastic elastomer of a kind of antibacterial scratch resistance and preparation method thereof.
Background technology
Thermoplastic elastomer (Thermoplastic Elastomer, be called for short TPE) be a kind of snappiness, high strength and high resilience with rubber, the material again with feature that can injection molding, that is to say that it has the processing characteristics of thermoplastics and the physicals of vulcanized rubber simultaneously.Thermoplastic elastomer environmental protection, nontoxic, safety, have good tint permanence, and soft-touch has preferably weathering resistance, fatigue resistance and temperature tolerance, and processing characteristics is superior, and can recycle, and reduces use cost.In addition, in thermoplastic elastomer production process, do not need sulfuration, greatly simplified Production Flow Chart and simplified and reduce power consumption.Thermoplastic elastomer can secondary injection molding, with the body material coating and bondings such as PP, PE, PC, PS, ABS, also moulding separately.Thermoplastic elastomer, owing to having good performance, obtains applying more and more widely in fields such as daily necessities, electronic apparatus, communication, automobile industries in recent years.
Yet existing thermoplastic elastomer or take thermoplastic elastomer as basic material, also exists that strong not, the surperficial scraping and wiping resistance performance of sticking power is poor, the easy deficiency such as mouldy, this causes great restriction to it applying of some field.
Summary of the invention
Technical problem to be solved by this invention is to provide the preparation method of a kind of composition for thermoplastic elastomer and this composition for thermoplastic elastomer, and this composition for thermoplastic elastomer has good anti-microbial property and surperficial scraping and wiping resistance performance, and strong adhesion.The technical scheme adopting is as follows:
A kind of composition for thermoplastic elastomer of antibacterial scratch resistance, it is characterized in that being made by the raw material of following weight proportion: styrene analog thermoplastic elastomer 15-25%, softening agent 25-40%, polypropylene 6-10%, Thermoplastic Elastomer, Olefinic 0.5-2%, inorganic mineral 30-40%, compatilizer 0.6-0.9%, antiseptic-germicide 0.06-0.2%, auxiliary agent 0.01-0.2%.
Above-mentioned styrene analog thermoplastic elastomer is base mateiral.Preferred above-mentioned styrene analog thermoplastic elastomer is a kind of in styrene-ethylene-butylene-styrene block copolymer (SEBS) and vinylbenzene-butylene-styrene segmented copolymer (SBS) or both combinations.Styrene-ethylene-butylene-styrene block copolymer (SEBS) is obtained by vinylbenzene-butylene-styrene segmented copolymer (SBS) Hydrogenation, in ageing-resistant performance, have a clear superiority in, therefore more preferably styrene analog thermoplastic elastomer is styrene-ethylene-butylene-styrene block copolymer.
More preferably the styrene content of styrene analog thermoplastic elastomer is that 30-35% (weight), molecular weight are 20-25 ten thousand.The molecular structure of optimization styrene analog thermoplastic elastomer is linear structure.This styrene analog thermoplastic elastomer hardness is 73-75(shore A), 300% tensile stress >=5.0MPa.
Preferred above-mentioned softening agent is a kind of in naphthenic oil and white mineral oil or both combinations.
Preferred above-mentioned inorganic mineral is a kind of in calcium carbonate, white cigarette and transparent powder or wherein multiple combination.
Preferred above-mentioned compatilizer is a kind of in PP-g-MAH and SEBS-g-MAH or both combinations.Choose PP-g-MAH and SEBS-g-MAH as compatilizer, can improve the consistency of each component, can also improve the anti-scratch performance of product surface, can improve the surface polarity of product simultaneously, be beneficial to and on surface, form water molecule layer, thus the antibacterial effect of raising antiseptic-germicide.
Preferred above-mentioned antiseptic-germicide is nanometer silver.
Preferred above-mentioned auxiliary agent is a kind of in oxidation inhibitor and lubricant or both combinations.Oxidation inhibitor is preferably chosen Hinered phenols antioxidant, as antioxidant 1010.Lubricant can adopt stearate or amine hydroxybenzene.
The present invention also provides a kind of preparation method of the composition for thermoplastic elastomer of above-mentioned antibacterial scratch resistance, it is characterized in that comprising the following steps successively:
(1) be equipped with in proportion styrene analog thermoplastic elastomer, softening agent, polypropylene, Thermoplastic Elastomer, Olefinic, inorganic mineral, compatilizer, antiseptic-germicide and auxiliary agent;
(2) styrene analog thermoplastic elastomer and softening agent are added in high-speed mixer, under the speed of 400-500 rev/min, mix, softening agent is fully absorbed by styrene analog thermoplastic elastomer;
(3) polypropylene, Thermoplastic Elastomer, Olefinic, inorganic mineral, compatilizer, antiseptic-germicide and auxiliary agent are added in the high-speed mixer of step (2), under the speed of 350-430 rev/min, mix, obtain mixture (being the mixture of styrene analog thermoplastic elastomer, softening agent, polypropylene, Thermoplastic Elastomer, Olefinic, inorganic mineral, compatilizer, antiseptic-germicide and auxiliary agent);
(4) mixture is taken out from high-speed mixer and join blend in twin screw extruder, extrude, obtain composition for thermoplastic elastomer.
In step (4), the material of conventionally twin screw extruder being extruded carries out granulation, obtains granular composition for thermoplastic elastomer.
In preferred steps (4), the screw speed of twin screw extruder is that 270-380 rev/min, barrel temperature are 180-220 ℃.
Composition for thermoplastic elastomer of the present invention has good anti-microbial property and surperficial scraping and wiping resistance performance, and strong adhesion, and its goods have the function of antibacterial fungistatic, can keep for a long time attractive in appearance, can tight bond during post forming on matrix.Composition for thermoplastic elastomer of the present invention can be used for post forming (such as for toothbrush encapsulate, handle for tool encapsulate etc.), also can be used for independent moulding (for example, for making bottle stopper).Composition for thermoplastic elastomer of the present invention is applied to the encapsulate of the handle of PP, PS material, hand feel and drape, and strong adhesion, surface gloss is high, and surface nothing is separated out, and has good surperficial scraping and wiping resistance performance.
Embodiment
Embodiment 1
In the present embodiment, the preparation method of the composition for thermoplastic elastomer of antibacterial scratch resistance comprises the following steps successively:
(1) be equipped with the raw material of following weight proportion: styrene analog thermoplastic elastomer 15%(is styrene-ethylene-butylene-styrene block copolymer, its styrene content is 32% (weight), molecular weight is 220,000, its molecular structure is linear structure), softening agent 39%(is naphthenic oil), polypropylene 7.3%, Thermoplastic Elastomer, Olefinic 1.22%, inorganic mineral 36.4%(is calcium carbonate), compatilizer 0.78%(is PP-g-MAH), antiseptic-germicide 0.1%(is nanometer silver), auxiliary agent 0.2%(0.1% is wherein antioxidant 1010, another 0.1% is stearate).
(2) styrene analog thermoplastic elastomer and softening agent are added in high-speed mixer, under the speed of 450 revs/min, mix, softening agent is fully absorbed by styrene analog thermoplastic elastomer;
(3) polypropylene, Thermoplastic Elastomer, Olefinic, inorganic mineral, compatilizer, antiseptic-germicide and auxiliary agent are added in the high-speed mixer of step (2), under the speed of 380 revs/min, mix, obtain mixture (being the mixture of styrene analog thermoplastic elastomer, softening agent, polypropylene, Thermoplastic Elastomer, Olefinic, inorganic mineral, compatilizer, antiseptic-germicide and auxiliary agent);
(4) mixture is taken out from high-speed mixer and join blend in twin screw extruder, extrude (screw speed of twin screw extruder is that 320 revs/min, barrel temperature are 180-220 ℃), obtain composition for thermoplastic elastomer.
In step (4), the material that twin screw extruder is extruded carries out granulation, obtains granular composition for thermoplastic elastomer.
The basic property of the composition for thermoplastic elastomer obtaining after tested, is as follows: hardness is 35A; Tensile strength is 2.3MPa.Form composition for thermoplastic elastomer encapsulate with PP secondary injection molding, after composition for thermoplastic elastomer encapsulate is peeled off, on PP surface, still leave one deck composition for thermoplastic elastomer, can find out that thus material has very strong cohesive force to PP, PS material.
Embodiment 2
In the present embodiment, the preparation method of the composition for thermoplastic elastomer of antibacterial scratch resistance comprises the following steps successively:
(1) be equipped with the raw material of following weight proportion: styrene analog thermoplastic elastomer 25%(is vinylbenzene-butylene-styrene segmented copolymer, its styrene content is that 30% (weight), molecular weight are 250,000, its molecular structure is linear structure), softening agent 33.6%(is white mineral oil), polypropylene 10%, Thermoplastic Elastomer, Olefinic 0.5%, inorganic mineral 30%(20% is wherein white cigarette, another 10% is transparent powder), compatilizer 0.6%(is SEBS-g-MAH), antiseptic-germicide 0.2%(is nanometer silver), auxiliary agent 0.1%(is antioxidant 1010).
(2) styrene analog thermoplastic elastomer and softening agent are added in high-speed mixer, under the speed of 400 revs/min, mix, softening agent is fully absorbed by styrene analog thermoplastic elastomer;
(3) polypropylene, Thermoplastic Elastomer, Olefinic, inorganic mineral, compatilizer, antiseptic-germicide and auxiliary agent are added in the high-speed mixer of step (2), under the speed of 350 revs/min, mix, obtain mixture (being the mixture of styrene analog thermoplastic elastomer, softening agent, polypropylene, Thermoplastic Elastomer, Olefinic, inorganic mineral, compatilizer, antiseptic-germicide and auxiliary agent);
(4) mixture is taken out from high-speed mixer and join blend in twin screw extruder, extrude (screw speed of twin screw extruder is that 270 revs/min, barrel temperature are 180-220 ℃), obtain composition for thermoplastic elastomer.
In step (4), the material that twin screw extruder is extruded carries out granulation, obtains granular composition for thermoplastic elastomer.
The basic property of the composition for thermoplastic elastomer obtaining after tested, is as follows: hardness is 45A; Tensile strength is 2.6MPa.Form composition for thermoplastic elastomer encapsulate with PP secondary injection molding, after composition for thermoplastic elastomer encapsulate is peeled off, on PP surface, still leave one deck composition for thermoplastic elastomer, can find out that thus material has very strong cohesive force to PP, PS material.
Embodiment 3
In the present embodiment, the preparation method of the composition for thermoplastic elastomer of antibacterial scratch resistance comprises the following steps successively:
(1) be equipped with the raw material of following weight proportion: styrene analog thermoplastic elastomer 20.03%(is styrene-ethylene-butylene-styrene block copolymer, its styrene content is 35% (weight), molecular weight is 240,000, its molecular structure is linear structure), softening agent 40%(20% is wherein naphthenic oil, another 20% is white mineral oil), polypropylene 6%, Thermoplastic Elastomer, Olefinic 2%, inorganic mineral 31%(is calcium carbonate), compatilizer 0.9%(0.6% is wherein PP-g-MAH, another 0.3% is SEBS-g-MAH), antiseptic-germicide 0.06%(is nanometer silver), auxiliary agent 0.01%(is amine hydroxybenzene).
(2) styrene analog thermoplastic elastomer and softening agent are added in high-speed mixer, under the speed of 500 revs/min, mix, softening agent is fully absorbed by styrene analog thermoplastic elastomer;
(3) polypropylene, Thermoplastic Elastomer, Olefinic, inorganic mineral, compatilizer, antiseptic-germicide and auxiliary agent are added in the high-speed mixer of step (2), under the speed of 430 revs/min, mix, obtain mixture (being the mixture of styrene analog thermoplastic elastomer, softening agent, polypropylene, Thermoplastic Elastomer, Olefinic, inorganic mineral, compatilizer, antiseptic-germicide and auxiliary agent);
(4) mixture is taken out from high-speed mixer and join blend in twin screw extruder, extrude (screw speed of twin screw extruder is that 380 revs/min, barrel temperature are 180-220 ℃), obtain composition for thermoplastic elastomer.
In step (4), the material that twin screw extruder is extruded carries out granulation, obtains granular composition for thermoplastic elastomer.
The basic property of the composition for thermoplastic elastomer obtaining after tested, is as follows: hardness is 45A; Tensile strength is 1.8MPa.Form composition for thermoplastic elastomer encapsulate with PP secondary injection molding, after composition for thermoplastic elastomer encapsulate is peeled off, on PP surface, still leave one deck composition for thermoplastic elastomer, can find out that thus material has very strong cohesive force to PP, PS material.
Embodiment 4
In the present embodiment, the preparation method of the composition for thermoplastic elastomer of antibacterial scratch resistance comprises the following steps successively:
(1) be equipped with the raw material of following weight proportion: styrene analog thermoplastic elastomer 25%(15% is wherein styrene-ethylene-butylene-styrene block copolymer, its styrene content is that 32% (weight), molecular weight are 220,000, and its molecular structure is linear structure; Another 10% is vinylbenzene-butylene-styrene segmented copolymer, its styrene content is that 35% (weight), molecular weight are 240,000, its molecular structure is linear structure), softening agent 25%(is naphthenic oil), polypropylene 9.5%, Thermoplastic Elastomer, Olefinic 1.5%, inorganic mineral 38%(is calcium carbonate), compatilizer 0.7%(is PP-g-MAH), antiseptic-germicide 0.15%(is nanometer silver), auxiliary agent 0.15%(0.1% is wherein antioxidant 1010, and another 0.05% is amine hydroxybenzene).
(2) styrene analog thermoplastic elastomer and softening agent are added in high-speed mixer, under the speed of 420 revs/min, mix, softening agent is fully absorbed by styrene analog thermoplastic elastomer;
(3) polypropylene, Thermoplastic Elastomer, Olefinic, inorganic mineral, compatilizer, antiseptic-germicide and auxiliary agent are added in the high-speed mixer of step (2), under the speed of 400 revs/min, mix, obtain mixture (being the mixture of styrene analog thermoplastic elastomer, softening agent, polypropylene, Thermoplastic Elastomer, Olefinic, inorganic mineral, compatilizer, antiseptic-germicide and auxiliary agent);
(4) mixture is taken out from high-speed mixer and join blend in twin screw extruder, extrude (screw speed of twin screw extruder is that 300 revs/min, barrel temperature are 180-220 ℃), obtain composition for thermoplastic elastomer.
In step (4), the material that twin screw extruder is extruded carries out granulation, obtains granular composition for thermoplastic elastomer.
The basic property of the composition for thermoplastic elastomer obtaining after tested, is as follows: hardness is 45A; Tensile strength is 2.2MPa.Form composition for thermoplastic elastomer encapsulate with PP secondary injection molding, after composition for thermoplastic elastomer encapsulate is peeled off, on PP surface, still leave one deck composition for thermoplastic elastomer, can find out that thus material has very strong cohesive force to PP, PS material.
Claims (10)
1. the composition for thermoplastic elastomer of an antibacterial scratch resistance, it is characterized in that being made by the raw material of following weight proportion: styrene analog thermoplastic elastomer 15-25%, softening agent 25-40%, polypropylene 6-10%, Thermoplastic Elastomer, Olefinic 0.5-2%, inorganic mineral 30-40%, compatilizer 0.6-0.9%, antiseptic-germicide 0.06-0.2%, auxiliary agent 0.01-0.2%.
2. composition for thermoplastic elastomer according to claim 1, is characterized in that: described styrene analog thermoplastic elastomer is a kind of in styrene-ethylene-butylene-styrene block copolymer and vinylbenzene-butylene-styrene segmented copolymer or both combinations.
3. composition for thermoplastic elastomer according to claim 2, it is characterized in that: the styrene content of described styrene analog thermoplastic elastomer is that 30-35% (weight), molecular weight are 20-25 ten thousand, and the molecular structure of styrene analog thermoplastic elastomer is linear structure.
4. composition for thermoplastic elastomer according to claim 1, is characterized in that: described softening agent is a kind of in naphthenic oil and white mineral oil or both combinations.
5. composition for thermoplastic elastomer according to claim 1, is characterized in that: described inorganic mineral is a kind of in calcium carbonate, white cigarette and transparent powder or wherein multiple combination.
6. composition for thermoplastic elastomer according to claim 1, is characterized in that: described compatilizer is a kind of in PP-g-MAH and SEBS-g-MAH or both combinations.
7. composition for thermoplastic elastomer according to claim 1, is characterized in that: described antiseptic-germicide is nanometer silver.
8. composition for thermoplastic elastomer according to claim 1, is characterized in that: described auxiliary agent is a kind of in oxidation inhibitor and lubricant or both combinations; Described oxidation inhibitor is Hinered phenols antioxidant, and described lubricant is stearate or amine hydroxybenzene.
9. the preparation method of composition for thermoplastic elastomer described in claim 1, is characterized in that comprising the following steps successively:
(1) be equipped with in proportion styrene analog thermoplastic elastomer, softening agent, polypropylene, Thermoplastic Elastomer, Olefinic, inorganic mineral, compatilizer, antiseptic-germicide and auxiliary agent;
(2) styrene analog thermoplastic elastomer and softening agent are added in high-speed mixer, under the speed of 400-500 rev/min, mix, softening agent is fully absorbed by styrene analog thermoplastic elastomer;
(3) polypropylene, Thermoplastic Elastomer, Olefinic, inorganic mineral, compatilizer, antiseptic-germicide and auxiliary agent are added in the high-speed mixer of step (2), under the speed of 350-430 rev/min, mix, obtain mixture;
(4) mixture is taken out from high-speed mixer and join blend in twin screw extruder, extrude, obtain composition for thermoplastic elastomer.
10. the preparation method of composition for thermoplastic elastomer according to claim 9, is characterized in that: in step (4), the screw speed of twin screw extruder is that 270-380 rev/min, barrel temperature are 180-220 ℃.
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| CN104403194A (en) * | 2014-11-10 | 2015-03-11 | 苏州新区枫盛塑料制品厂 | Thermoplastic elastomer formula |
| CN105367978A (en) * | 2015-11-18 | 2016-03-02 | 安徽雄亚塑胶科技有限公司 | TPE composition and liquor bottle stopper prepared from TPE composition |
| CN106009467A (en) * | 2016-08-03 | 2016-10-12 | 辽阳百乐保健品有限公司 | Modified sebs thermoplastic elastic material and preparation method thereof |
| 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 |
| CN106398085A (en) * | 2016-09-09 | 2017-02-15 | 博硕科技(江西)有限公司 | Scratching-resistant halogen-free flame-retardant TPE injection molding material and preparation method thereof |
| WO2017084216A1 (en) * | 2015-11-18 | 2017-05-26 | 南通普力马弹性体技术有限公司 | Wear-resistant and high-resilience-rate tpe caster material used for bonding pp, and preparation method |
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| CN108485168A (en) * | 2018-04-08 | 2018-09-04 | 慈溪市山今高分子塑料有限公司 | A kind of wine bottle stopper and its preparation process |
| CN109535630A (en) * | 2017-09-21 | 2019-03-29 | 博富科技股份有限公司 | Antibacterial and mouldproof thermoplastic elastomer composite material and preparation method thereof |
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| CN112745566A (en) * | 2020-01-15 | 2021-05-04 | 昆山科信高分子材料有限公司 | Encapsulated thermoplastic elastomer material for resisting ultraviolet aging and preparation method thereof |
| CN112940515A (en) * | 2021-02-03 | 2021-06-11 | 珠海格力新材料有限公司 | Composition for forming elastomer, elastomer formed by composition and application of elastomer |
| 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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| CN109535630A (en) * | 2017-09-21 | 2019-03-29 | 博富科技股份有限公司 | Antibacterial and mouldproof thermoplastic elastomer composite material and preparation method thereof |
| CN108102221A (en) * | 2017-12-14 | 2018-06-01 | 义乌倍肯新材料科技有限公司 | A kind of inorganic nano antiseptic thermoplastic elastomer (TPE) and preparation method thereof |
| CN108424659A (en) * | 2018-04-08 | 2018-08-21 | 慈溪市山今高分子塑料有限公司 | A kind of syringe piston TPE and preparation method thereof |
| CN108485168A (en) * | 2018-04-08 | 2018-09-04 | 慈溪市山今高分子塑料有限公司 | A kind of wine bottle stopper and its preparation process |
| CN108424659B (en) * | 2018-04-08 | 2021-02-05 | 慈溪市山今高分子塑料有限公司 | TPE for syringe piston and preparation method thereof |
| CN112745566A (en) * | 2020-01-15 | 2021-05-04 | 昆山科信高分子材料有限公司 | Encapsulated thermoplastic elastomer material for resisting ultraviolet aging and preparation method thereof |
| CN112226075A (en) * | 2020-09-07 | 2021-01-15 | 张悦洋 | Plastic formula and plastic spectacle frame or spectacle accessory molding method |
| CN112940515A (en) * | 2021-02-03 | 2021-06-11 | 珠海格力新材料有限公司 | Composition for forming elastomer, elastomer formed by composition and application of elastomer |
| 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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