CN107245187A - A kind of dynamic vulcanization antibacterial TPV composites and preparation method thereof - Google Patents
A kind of dynamic vulcanization antibacterial TPV composites and preparation method thereof Download PDFInfo
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- CN107245187A CN107245187A CN201710261230.7A CN201710261230A CN107245187A CN 107245187 A CN107245187 A CN 107245187A CN 201710261230 A CN201710261230 A CN 201710261230A CN 107245187 A CN107245187 A CN 107245187A
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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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/02—Heterophasic composition
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Abstract
The invention provides a kind of dynamic vulcanization antibacterial TPV composites and preparation method thereof, dynamic vulcanization antibacterial TPV composites of the present invention are prepared using polypropylene, ethylene propylene diene rubber, TPUE, antiseptic, flow ability modifying agent, crosslinking agent, heat stabilizer and the UV absorbers of specific consumption, antiseptic is uniformly dispersed in gained dynamic vulcanization antibacterial TPV composites, gained dynamic vulcanization antibacterial TPV composites have excellent anti-microbial property, and good processability, it is easy to machine-shaping.The preparation method technique of dynamic vulcanization antibacterial TPV composites of the present invention is simple, easy to operate, high efficiency, is suitable for carrying out industrialized production.
Description
Technical field
The present invention relates to materials science field, in particular to a kind of dynamic vulcanization antibacterial TPV composites and
Its preparation method.
Background technology
TPV is Thermoplastic Vulcanizate abbreviation, and Chinese is thermoplasticity EPDM dynamic vulcanization
Elastomer or thermoplasticity EPDM dynamic perduren, are that the ethylene propylene diene rubber EPDM particulates of solid cure are dispersed in continuously
The macromolecular elastomer material constituted in polypropylene PP phases.Physical property under TPV normal temperature and thermoset rubber is functionally similar to,
Show as the characteristic of thermoplastic at high temperature, can with fast, economical and easily machine-shaping, in various earphone cord crusts,
Earphone wire terminal is used widely.But often contacted by the body of people, with surface blackening after a period of time, there is substantial amounts of
Bacterium produces, therefore the vulcanization antibacterial TPV composites that need to be developed a kind of excellent in mechanical performance and have antibacterial effect show
Obtain particularly important, with the huge market space.
In correlation technique, dynamic vulcanization TPV material anti-microbial property is poor, and poor processability, and processing and forming is difficult, influence
Material property.
In view of this, it is special to propose the present invention.
The content of the invention
The first object of the present invention is to provide a kind of dynamic vulcanization antibacterial TPV composites, and described dynamic vulcanization resists
Antiseptic is uniformly dispersed in bacterium TPV composites, and anti-microbial property is excellent, good processability, it is easy to machine-shaping.
The second object of the present invention is a kind of preparation method of described dynamic vulcanization antibacterial TPV composites of offer,
This method technique is simple, easy to operate, high efficiency, is suitable for carrying out industrialized production.
In order to realize the above-mentioned purpose of the present invention, spy uses following technical scheme：
A kind of dynamic vulcanization antibacterial TPV composites, the dynamic vulcanization antibacterial TPV composites are main by following quality
The composition of number is prepared：
20-50 parts of polypropylene, 20-60 parts of ethylene propylene diene rubber, 5-15 parts of TPUE, antiseptic 0.2-
3 parts, 0.5-1.5 parts of flow ability modifying agent, 0.2-0.6 parts of crosslinking agent, 0.2-0.8 parts of heat stabilizer and UV absorbers 0.2-
0.8 part.
Dynamic vulcanization antibacterial TPV composites of the present invention use the polypropylene, ethylene propylene diene rubber, thermoplasticity of specific consumption
Polyurethane elastomer, antiseptic, flow ability modifying agent, crosslinking agent, heat stabilizer and UV absorbers are prepared, and antiseptic exists
It is uniformly dispersed in gained dynamic vulcanization antibacterial TPV composites, gained dynamic vulcanization antibacterial TPV composites have excellent resist
Bacterium performance, and good processability, it is easy to machine-shaping.
Preferably, the dynamic vulcanization antibacterial TPV composites are mainly prepared by the composition of following mass fraction：
30-40 parts of polypropylene, 30-50 parts of ethylene propylene diene rubber, 8-12 parts of TPUE, antiseptic 1-2
Part, 0.8-1.2 parts of flow ability modifying agent, 0.3-0.5 parts of crosslinking agent, 0.4-0.6 parts of heat stabilizer and UV absorbers 0.4-0.6
Part.
It is further preferred that prepared by the main composition by following mass fraction of the dynamic vulcanization antibacterial TPV composites
Obtain：
35 parts of polypropylene, 40 parts of ethylene propylene diene rubber, 10 parts of TPUE, 1.5 parts of antiseptic, flowing change
Property 0.5 part of 1 part of agent, 0.4 part of crosslinking agent, 0.5 part of heat stabilizer and UV absorbers.
Alternatively, melt flow rate of the TPUE under the conditions of 200 DEG C, pressure 2.16Kg is
25-55g/10min, and Rockwell hardness is 45-65.
Alternatively, the antiseptic includes the one or more in inorganic antiseptic, organic antibacterial agent and natural antibacterial agent,
The one or more in polyhexamethylene list guanidine hydrochloride and nano silver antimicrobials are preferably included, it is further preferably sub- including poly- six
Methyl list guanidine hydrochloride and nano silver antimicrobials.
Preferably, the mass ratio of the polyhexamethylene list guanidine hydrochloride and nano silver antimicrobials is 1：0.5-2, be preferably
1：0.8-1.2, more preferably 1：1.
Alternatively, the flow ability modifying agent includes the one or more in in-lubricant, preferably includes long-chain polyfunctional group
Ester, further preferably includes AM-80 flow ability modifying agents.
Alternatively, the crosslinking agent includes the one or more in outside cross-linking agent, preferably includes two-(tert-butyl hydroperoxide
Isopropyl) one or more in benzene and Triallyl isocyanurate, further preferably including two-(tert-butyl hydroperoxide is different
Propyl group) benzene and Triallyl isocyanurate.
Preferably, the mass ratio of described two-(t-butylperoxyisopropyl) benzene and Triallyl isocyanurate is 1：
0.5-2, preferably 1：0.8-1.2, more preferably 1：1.
Alternatively, the heat stabilizer includes the one or more in antioxidant, preferably includes 2, the 6- tert-butyl group -4- methyl
Phenol, four (4- hydroxyl -3,5- di-tert-butyl-phenyls propionic acid) pentaerythritol esters, 3,5- di-t-butyl -4- hydroxy phenylpropionic acids 18
One or more in ester, triphenyl phosphite and trisnonyl phenyl phosphite, further preferably including 2, the 6- tert-butyl group -4- first
Base phenol.
Alternatively, the UV absorbers include benzophenone type ultraviolet light absorber, the suction of benzotriazole ultraviolet light
The one or more in agent and piperidines UV absorbers are received, ESCALOL 567,2 are preferably included, 2 '-
Dihydroxy -4- methoxy benzophenones, 2 (2- hydroxyls -3 ', 5 '-di-tert-butyl-phenyl) -5- chlorinated benzotriazoles and it is double (2,2,
6,6- tetramethyl piperidines) one or more in sebacate, further preferably including ESCALOL 567.
The preparation method of above-mentioned a kind of dynamic vulcanization antibacterial TPV composites, in proportion by polypropylene, ethylene-propylene-diene monomer
Glue, TPUE, antiseptic, flow ability modifying agent, crosslinking agent, heat stabilizer and UV absorbers are sufficiently mixed
After extrude, obtain a kind of dynamic vulcanization antibacterial TPV composites.
The preparation method technique of dynamic vulcanization antibacterial TPV composites of the present invention is simple, easy to operate, high efficiency, is adapted to
In progress industrialized production.
Preferably, a kind of preparation method of dynamic vulcanization antibacterial TPV composites includes：
Ethylene propylene diene rubber, TPUE and antiseptic are kneaded in proportion, poly- third is added afterwards
Alkene, flow ability modifying agent, crosslinking agent, heat stabilizer and UV absorbers, are extruded after being sufficiently mixed, and are obtained a kind of dynamic vulcanization and are resisted
Bacterium TPV composites.
Alternatively, the temperature of the mixing is 50-80 DEG C, more preferably preferably 60-70 DEG C, 60 DEG C.
Alternatively, the time of the mixing is more than 20min, more preferably preferably 20-40min, 30min.
Alternatively, the temperature of the extrusion is more than 150 DEG C, more preferably preferably 175-200 DEG C, 180 DEG C.
Compared with prior art, beneficial effects of the present invention are：
Dynamic vulcanization antibacterial TPV composites of the present invention use the polypropylene, ethylene propylene diene rubber, thermoplasticity of specific consumption
Polyurethane elastomer, antiseptic, flow ability modifying agent, crosslinking agent, heat stabilizer and UV absorbers are prepared, and antiseptic exists
It is uniformly dispersed in gained dynamic vulcanization antibacterial TPV composites, gained dynamic vulcanization antibacterial TPV composites have excellent resist
Bacterium performance, and good processability, it is easy to machine-shaping.The preparation method technique of dynamic vulcanization antibacterial TPV composites of the present invention
Simply, easy to operate, high efficiency is suitable for carrying out industrialized production.
Embodiment
Technical scheme is clearly and completely described below in conjunction with embodiment, but ability
Field technique personnel will be understood that following described embodiment is a part of embodiment of the invention, rather than whole embodiments,
The present invention is merely to illustrate, and is not construed as limiting the scope of the present invention.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.Unreceipted actual conditions person in embodiment, the condition advised according to normal condition or manufacturer is carried out.Agents useful for same or instrument
Unreceipted production firm person, is the conventional products that can be obtained by commercially available purchase.
The invention provides a kind of dynamic vulcanization antibacterial TPV composites, the dynamic vulcanization antibacterial TPV composite masters
To be prepared by the composition of following mass fraction：
20-50 parts of polypropylene (PP), 20-60 parts of ethylene propylene diene rubber (EPDM), TPUE (TPU) 5-
15 parts, 0.2-3 parts of antiseptic, 0.5-1.5 parts of flow ability modifying agent, 0.2-0.6 parts of crosslinking agent, 0.2-0.8 parts of heat stabilizer and purple
Outer light absorber 0.2-0.8 parts.
Dynamic vulcanization antibacterial TPV composites of the present invention use the polypropylene, ethylene propylene diene rubber, thermoplasticity of specific consumption
Polyurethane elastomer, antiseptic, flow ability modifying agent, crosslinking agent, heat stabilizer and UV absorbers are prepared, and antiseptic exists
It is uniformly dispersed in gained dynamic vulcanization antibacterial TPV composites, gained dynamic vulcanization antibacterial TPV composites have excellent resist
Bacterium performance, and good processability, it is easy to machine-shaping.
Preferably, the dynamic vulcanization antibacterial TPV composites are mainly prepared by the composition of following mass fraction：
30-40 parts of polypropylene, 30-50 parts of ethylene propylene diene rubber, 8-12 parts of TPUE, antiseptic 1-2
Part, 0.8-1.2 parts of flow ability modifying agent, 0.3-0.5 parts of crosslinking agent, 0.4-0.6 parts of heat stabilizer and UV absorbers 0.4-0.6
Part.
It is further preferred that prepared by the main composition by following mass fraction of the dynamic vulcanization antibacterial TPV composites
Obtain：
35 parts of polypropylene, 40 parts of ethylene propylene diene rubber, 10 parts of TPUE, 1.5 parts of antiseptic, flowing change
Property 0.5 part of 1 part of agent, 0.4 part of crosslinking agent, 0.5 part of heat stabilizer and UV absorbers.
Alternatively, melt flow rate of the TPUE under the conditions of 200 DEG C, pressure 2.16Kg is
25-55g/10min, and Rockwell hardness is 45-65；Using this TPUE with high fluidity, help
Improve the mobility of gained dynamic vulcanization antibacterial TPV composites in further, improve its processing characteristics.
Alternatively, the antiseptic includes the one or more in inorganic antiseptic, organic antibacterial agent and natural antibacterial agent,
The one or more in polyhexamethylene list guanidine hydrochloride and nano silver antimicrobials are preferably included, it is further preferably sub- including poly- six
Methyl list guanidine hydrochloride and nano silver antimicrobials.
Preferably, the mass ratio of the polyhexamethylene list guanidine hydrochloride and nano silver antimicrobials is 1：0.5-2, be preferably
1：0.8-1.2, more preferably 1：1.
Using specific antiseptic so that TPUE and ethylene propylene diene rubber, which are produced, has been swelled plasticising work
With, and co-crosslinking is realized with ethylene propylene diene rubber by adding specific antiseptic in dynamic vulcanization, can be with extrusion
Fine dispersion is realized in fully crosslinked rubber domain, the anti-quiet of gained dynamic vulcanization antibacterial TPV composites is fully improved
Electrical property.
Alternatively, the flow ability modifying agent includes the one or more in in-lubricant, preferably includes long-chain polyfunctional group
Ester, further preferably includes AM-80 flow ability modifying agents.
The particular flow modifying agent used, with very small volatility, as processing aid, disperses with good
Property, it can be used in the extrusion of polymer, be molded, calendering etc. can improve the processing fluidity of melt, increase substantially melting and refer to
Number, and the impact property of product is not reduced.
Alternatively, the crosslinking agent includes the one or more in outside cross-linking agent, preferably includes two-(tert-butyl hydroperoxide
Isopropyl) one or more in benzene (tasteless DCP) and Triallyl isocyanurate (TAIC), further preferably including two-
(t-butylperoxyisopropyl) benzene and Triallyl isocyanurate.
Preferably, the mass ratio of described two-(t-butylperoxyisopropyl) benzene and Triallyl isocyanurate is 1：
0.5-2, preferably 1：0.8-1.2, more preferably 1：1.
Using specific crosslinking agent, the progress of cross-linking reaction is helped lend some impetus to, gained dynamic vulcanization antibacterial TPV is improved and is combined
The mechanical performance of material.
Alternatively, the heat stabilizer includes the one or more in antioxidant, preferably includes 2, the 6- tert-butyl group -4- methyl
Phenol (antioxidant -264), four (4- hydroxyl -3,5- di-tert-butyl-phenyls propionic acid) pentaerythritol esters (antioxidant -1010), 3,5-
Di-t-butyl -4- hydroxy phenylpropionic acids octadecyl ester (antioxidant -1076), triphenyl phosphite (TPP) and trisnonyl phenyl phosphite
(TNP) one or more in, further preferably including 2,6- tert-butyl-4-methyl-Phenols.
Using particular thermal stabilizer, it effectively can delay or suppress the oxidation of gained dynamic vulcanization antibacterial TPV composites
The progress of process, so as to prevent the aging of gained dynamic vulcanization antibacterial TPV composites and extend its service life.
Alternatively, the UV absorbers include benzophenone type ultraviolet light absorber, the suction of benzotriazole ultraviolet light
Receive the one or more in agent and piperidines UV absorbers, preferably include ESCALOL 567 (UV-9),
2,2 '-dihydroxy -4- methoxy benzophenone (UV-24), 2 (2- hydroxyls -3 ', 5 '-di-tert-butyl-phenyl) -5- chloro benzos three
One or more in azoles (UV-328) and double (2,2,6,6- tetramethyl piperidine) sebacates, further preferably include 2- hydroxyls
Base -4- methoxy benzophenones.
Using specific UV light absorber, the ultraviolet part in sunlight and fluorescence light source can be effectively absorbed, purple is prevented
Outside line produces destruction to gained dynamic vulcanization antibacterial TPV composites, improves gained dynamic vulcanization antibacterial TPV composites in length
Stability under time illumination.
The preparation method of above-mentioned a kind of dynamic vulcanization antibacterial TPV composites, in proportion by polypropylene, ethylene-propylene-diene monomer
Glue, TPUE, antiseptic, flow ability modifying agent, crosslinking agent, heat stabilizer and UV absorbers are sufficiently mixed
After extrude, obtain a kind of dynamic vulcanization antibacterial TPV composites.
The preparation method technique of dynamic vulcanization antibacterial TPV composites of the present invention is simple, easy to operate, high efficiency, is adapted to
In progress industrialized production.
Preferably, a kind of preparation method of dynamic vulcanization antibacterial TPV composites includes：
Ethylene propylene diene rubber, TPUE and antiseptic are kneaded in proportion, poly- third is added afterwards
Alkene, flow ability modifying agent, crosslinking agent, heat stabilizer and UV absorbers, are extruded after being sufficiently mixed, and are obtained a kind of dynamic vulcanization and are resisted
Bacterium TPV composites.
Using specific charging order by merging, contribute to the further full and uniform mixing of each raw material, property is obtained by extrusion
Uniform and stable dynamic vulcanization antibacterial TPV composites.
Alternatively, it is described that the progress mixing of ethylene propylene diene rubber, TPUE and antiseptic is used into banburying
Machine is completed.
Alternatively, the extrusion is carried out using double screw extruder.
Alternatively, the temperature of the mixing is 50-80 DEG C, more preferably preferably 60-70 DEG C, 60 DEG C.
Alternatively, the time of the mixing is more than 20min, more preferably preferably 20-40min, 30min.
Using specific melting temperature and time, contribute to ethylene propylene diene rubber, TPUE and antiseptic
Uniform, the anti-microbial property of raising gained dynamic vulcanization antibacterial TPV composites is sufficiently mixed, and improves its and processes new energy.
Alternatively, the temperature of the extrusion is more than 150 DEG C, more preferably preferably 175-200 DEG C, 180 DEG C.
Using specific extrusion temperature, material rapid shaping can be promoted, it is ensured that the mobility of material, reduce extrudate expansion
Rate, improves yield.
Embodiment 1
A kind of preparation method of dynamic vulcanization antibacterial TPV composites, including：
(1) respectively weigh polypropylene (T30S) 20kg, ethylene propylene diene rubber 20kg, TPUE (TPU,
The commercially available trade mark be 87I85) 5kg, polyhexamethylene list guanidine hydrochloride 0.133kg, nano silver antimicrobials 0.067kg, AM-80 flowing
Modifying agent 0.5kg, two-(t-butylperoxyisopropyl) benzene (tasteless DCP) 0.133kg, Triallyl isocyanurate
(TAIC) 0.067kg, trisnonyl phenyl phosphite (TNP) 0.2kg and ESCALOL 567 (UV-9) 0.2kg；
(2) by ethylene propylene diene rubber, TPUE (TPU, the commercially available trade mark is 87I85), polyhexamethylene
Single guanidine hydrochloride, nano silver antimicrobials knead 60min in banbury at 50 DEG C；
(3) polypropylene (T30S), two-(t-butylperoxyisopropyl) benzene (tasteless DCP), triallyl isocyanide are added
Urea acid esters (TAIC), trisnonyl phenyl phosphite (TNP) and ESCALOL 567 (UV-9), after being sufficiently mixed,
Using double screw extruder blending extrusion, the screw rod processing extrusion temperature of the double screw extruder is 150 DEG C, obtains a kind of dynamic
State vulcanizes antibacterial TPV composites.
Embodiment 2
A kind of preparation method of dynamic vulcanization antibacterial TPV composites, including：
(1) respectively weigh polypropylene (T30S) 50kg, ethylene propylene diene rubber 60kg, TPUE (TPU,
The commercially available trade mark be 87I85) 15kg, polyhexamethylene list guanidine hydrochloride 1kg, nano silver antimicrobials 2kg, AM-80 flow ability modifying agent
1.5kg, two-(t-butylperoxyisopropyl) benzene (tasteless DCP) 0.2kg, Triallyl isocyanurate (TAIC) 0.4kg,
Four (4- hydroxyl -3,5- di-tert-butyl-phenyls propionic acid) pentaerythritol ester (antioxidant -1010) 0.8kg and 2,2 '-dihydroxy -4- first
Epoxide benzophenone (UV-24) 0.8kg；
(2) by ethylene propylene diene rubber, TPUE (TPU, the commercially available trade mark is 87I85), polyhexamethylene
Single guanidine hydrochloride, nano silver antimicrobials knead 20min in banbury at 80 DEG C；
(3) polypropylene (T30S), two-(t-butylperoxyisopropyl) benzene (tasteless DCP), triallyl isocyanide are added
Urea acid esters (TAIC), four (4- hydroxyl -3,5- di-tert-butyl-phenyls propionic acid) pentaerythritol esters (antioxidant -1010) and 2,2 '-two
Hydroxyl -4- methoxy benzophenones (UV-24), after being sufficiently mixed, using double screw extruder blending extrusion, the twin-screw is squeezed
The screw rod processing extrusion temperature for going out machine is 175 DEG C, obtains a kind of dynamic vulcanization antibacterial TPV composites.
Embodiment 3
A kind of preparation method of dynamic vulcanization antibacterial TPV composites, including：
(1) respectively weigh polypropylene (T30S) 30kg, ethylene propylene diene rubber 30kg, TPUE (TPU,
The commercially available trade mark be 87I85) 8kg, polyhexamethylene list guanidine hydrochloride 0.56kg, nano silver antimicrobials 0.44kg, AM-80 flowing change
Property agent 0.8kg, two-(t-butylperoxyisopropyl) benzene (tasteless DCP) 0.167kg, Triallyl isocyanurate (TAIC)
0.133kg, 3,5- di-t-butyls -4- hydroxy phenylpropionic acids octadecyl ester (antioxidant -1076) 0.4kg and 2 (2- hydroxyls -3 ', 5 '-two
Tert-butyl-phenyl) -5- chlorinated benzotriazoles (UV-328) 0.4kg；
(2) by ethylene propylene diene rubber, TPUE (TPU, the commercially available trade mark is 87I85), polyhexamethylene
Single guanidine hydrochloride, nano silver antimicrobials knead 20min in banbury at 60 DEG C；
(3) polypropylene (T30S), two-(t-butylperoxyisopropyl) benzene (tasteless DCP), triallyl isocyanide are added
Urea acid esters (TAIC), 3,5- di-t-butyl -4- hydroxy phenylpropionic acids octadecyl esters (antioxidant -1076) and 2 (2- hydroxyls -3 ', 5 '-two
Tert-butyl-phenyl) -5- chlorinated benzotriazoles (UV-328), it is described double using double screw extruder blending extrusion after being sufficiently mixed
The screw rod processing extrusion temperature of screw extruder is 200 DEG C, obtains a kind of dynamic vulcanization antibacterial TPV composites.
Embodiment 4
A kind of preparation method of dynamic vulcanization antibacterial TPV composites, including：
(1) respectively weigh polypropylene (T30S) 40kg, ethylene propylene diene rubber 50kg, TPUE (TPU,
The commercially available trade mark be 87I85) 12kg, polyhexamethylene list guanidine hydrochloride 0.91kg, nano silver antimicrobials 1.09kg, AM-80 flowing
Modifying agent 1.2kg, two-(t-butylperoxyisopropyl) benzene (tasteless DCP) 0.227kg, Triallyl isocyanurate
(TAIC) 0.273kg, triphenyl phosphite (TPP) 0.6kg and double (2,2,6,6- tetramethyl piperidine) sebacate 0.6kg；
(2) by ethylene propylene diene rubber, TPUE (TPU, the commercially available trade mark is 87I85), polyhexamethylene
Single guanidine hydrochloride, nano silver antimicrobials knead 40min in banbury at 70 DEG C；
(3) polypropylene (T30S), two-(t-butylperoxyisopropyl) benzene (tasteless DCP), triallyl isocyanide are added
Urea acid esters (TAIC), triphenyl phosphite (TPP) and double (2,2,6,6- tetramethyl piperidine) sebacates, after being sufficiently mixed, are adopted
Double screw extruder blending extrusion is used, the screw rod processing extrusion temperature of the double screw extruder is 190 DEG C, obtains a kind of dynamic
Vulcanize antibacterial TPV composites.
Embodiment 5
A kind of preparation method of dynamic vulcanization antibacterial TPV composites, including：
(1) respectively weigh polypropylene (T30S) 35kg, ethylene propylene diene rubber 40kg, TPUE (TPU,
The commercially available trade mark be 87I85) 10kg, polyhexamethylene list guanidine hydrochloride 0.75kg, nano silver antimicrobials 0.75kg, AM-80 flowing
Modifying agent 1kg, two-(t-butylperoxyisopropyl) benzene (tasteless DCP) 0.2kg, Triallyl isocyanurate (TAIC)
0.2kg, 2,6- tert-butyl-4-methyl-Phenol (antioxidant -264) 0.5kg and ESCALOL 567 (UV-9)
0.5kg；
(2) by ethylene propylene diene rubber, TPUE (TPU, the commercially available trade mark is 87I85), polyhexamethylene
Single guanidine hydrochloride, nano silver antimicrobials knead 30min in banbury at 60 DEG C；
(3) polypropylene (T30S), two-(t-butylperoxyisopropyl) benzene (tasteless DCP), triallyl isocyanide are added
Urea acid esters (TAIC), 2,6- tert-butyl-4-methyl-Phenols (antioxidant -264) and ESCALOL 567 (UV-
9) after, being sufficiently mixed, using double screw extruder blending extrusion, the screw rod processing extrusion temperature of the double screw extruder is
180 DEG C, obtain a kind of dynamic vulcanization antibacterial TPV composites.
Performance test is carried out to the dynamic vulcanization antibacterial TPV composites obtained by 1-5 of the embodiment of the present invention, by gained dynamic
Vulcanize antibacterial TPV composites respectively according to correspondence standard (tensile strength GB/T1040.2-2006/1A/50, cantilever beam breach
Impact strength GB/T1843-2008/A, bacteriostasis rate GB/T 31402-2015) be prepared into standard testing batten, comparative example 1-5 according to
It is secondary that 1-5 methods describeds of the embodiment of the present invention are respectively adopted, but without using polyhexamethylene list guanidine hydrochloride or nano silver antimicrobials
Etc. any antiseptic, the following test is carried out, its results of property is as shown in table 1：
The dynamic vulcanization antibacterial TPV composite property test results of the present invention of table 1
It can be seen from Table 1 that, after antiseptic, tensile strength can reach the water without using antiseptic
Flat, Izod notched impact strength has slight reduction, but its antibacterial ability is greatly improved, and without using the product base of antiseptic
This improves processing characteristics without antibacterial ability, it is easier to machine-shaping, efficiently solves dynamic vulcanization process moderate resistance quiet
The problem of electric agent is dispersed.
Although illustrate and describing the present invention with specific embodiment, but it will be appreciated that various embodiments above is only used
To illustrate technical scheme, rather than its limitations；It will be understood by those within the art that：Without departing substantially from this hair
In the case of bright spirit and scope, the technical scheme described in foregoing embodiments can be modified, or to wherein
Some or all of technical characteristic carries out equivalent substitution；And these modifications or replacement, do not make the essence of appropriate technical solution
Depart from the scope of various embodiments of the present invention technical scheme；It is, therefore, intended that including belonging to the present invention in the following claims
In the range of all these substitutions and modifications.
Claims (10)
1. a kind of dynamic vulcanization antibacterial TPV composites, it is characterised in that the dynamic vulcanization antibacterial TPV composites are main
Prepared by the composition of following mass fraction：
20-50 parts of polypropylene, 20-60 parts of ethylene propylene diene rubber, 5-15 parts of TPUE, 0.2-3 parts of antiseptic,
0.2-0.8 parts of 0.5-1.5 parts of flow ability modifying agent, 0.2-0.6 parts of crosslinking agent, 0.2-0.8 parts of heat stabilizer and UV absorbers；
Preferably, the dynamic vulcanization antibacterial TPV composites are mainly prepared by the composition of following mass fraction：
30-40 parts of polypropylene, 30-50 parts of ethylene propylene diene rubber, 8-12 parts of TPUE, 1-2 parts of antiseptic, stream
Dynamic 0.4-0.6 parts of 0.8-1.2 parts of modifying agent, 0.3-0.5 parts of crosslinking agent, 0.4-0.6 parts of heat stabilizer and UV absorbers；
It is further preferred that the dynamic vulcanization antibacterial TPV composites are mainly prepared by the composition of following mass fraction：
35 parts of polypropylene, 40 parts of ethylene propylene diene rubber, 10 parts of TPUE, 1.5 parts of antiseptic, flow ability modifying agent
0.5 part of 1 part, 0.4 part of crosslinking agent, 0.5 part of heat stabilizer and UV absorbers.
2. a kind of dynamic vulcanization antibacterial TPV composites according to claim 1, it is characterised in that the thermoplastic poly
Melt flow rate of the urethane elastomer under the conditions of 200 DEG C, pressure 2.16Kg is 25-55g/10min, and Rockwell hardness is
45-65。
3. a kind of dynamic vulcanization antibacterial TPV composites according to claim 1, it is characterised in that the antiseptic bag
The one or more in inorganic antiseptic, organic antibacterial agent and natural antibacterial agent are included, polyhexamethylene list guanidinesalt acid is preferably included
One or more in salt and nano silver antimicrobials, further preferably include polyhexamethylene list guanidine hydrochloride and nanometer silver antimicrobial
Agent；
Preferably, the mass ratio of the polyhexamethylene list guanidine hydrochloride and nano silver antimicrobials is 1：0.5-2, preferably 1：
0.8-1.2, more preferably 1：1.
4. a kind of dynamic vulcanization antibacterial TPV composites according to claim 1, it is characterised in that the flow modifier
Agent includes the one or more in in-lubricant, preferably includes long-chain polyfunctional group ester, further preferably includes AM-80 flowings and changes
Property agent.
5. a kind of dynamic vulcanization antibacterial TPV composites according to claim 1, it is characterised in that the crosslinking agent bag
The one or more in outside cross-linking agent are included, two-(t-butylperoxyisopropyl) benzene and triallyl isocyanuric acid is preferably included
One or more in ester, further preferably including two-(t-butylperoxyisopropyl) benzene and Triallyl isocyanurate；
Preferably, the mass ratio of described two-(t-butylperoxyisopropyl) benzene and Triallyl isocyanurate is 1：0.5-
2, preferably 1：0.8-1.2, more preferably 1：1.
6. a kind of dynamic vulcanization antibacterial TPV composites according to claim 1, it is characterised in that the heat stabilizer
Including the one or more in antioxidant, 2,6- tert-butyl-4-methyl-Phenols, four (4- hydroxyl -3,5- di-t-butyls are preferably included
Phenylpropionic acid) pentaerythritol ester, 3,5- di-t-butyl -4- hydroxy phenylpropionic acids octadecyl ester, triphenyl phosphite and the nonyl of phosphorous acid three
One or more in base phenyl ester, further preferably including 2,6- tert-butyl-4-methyl-Phenols.
7. a kind of dynamic vulcanization antibacterial TPV composites according to claim 1, it is characterised in that the ultraviolet light is inhaled
Receiving agent is included in benzophenone type ultraviolet light absorber, benzotriazole UV absorbers and piperidines UV absorbers
One or more, preferably include ESCALOL 567,2,2 '-dihydroxy -4- methoxy benzophenones, 2 (2-
Hydroxyl -3 ', 5 '-di-tert-butyl-phenyl) in -5- chlorinated benzotriazoles and double (2,2,6,6- tetramethyl piperidine) sebacates one
Plant or a variety of, further preferably including ESCALOL 567.
8. a kind of preparation method of dynamic vulcanization antibacterial TPV composites as described in claim 1-7 is any, its feature exists
In in proportion by polypropylene, ethylene propylene diene rubber, TPUE, antiseptic, flow ability modifying agent, crosslinking agent, heat
Stabilizer and UV absorbers are extruded after being sufficiently mixed, and obtain a kind of dynamic vulcanization antibacterial TPV composites；
Preferably, a kind of preparation method of dynamic vulcanization antibacterial TPV composites includes：
Ethylene propylene diene rubber, TPUE and antiseptic are kneaded in proportion, polypropylene, stream are added afterwards
Dynamic modifying agent, crosslinking agent, heat stabilizer and UV absorbers, extrude after being sufficiently mixed, obtain a kind of dynamic vulcanization antibacterial TPV
Composite.
9. a kind of preparation method of dynamic vulcanization antibacterial TPV composites according to claim 8, it is characterised in that institute
The temperature for stating mixing is 50-80 DEG C, more preferably preferably 60-70 DEG C, 60 DEG C；
Preferably, the time of the mixing is more than 20min, more preferably preferably 20-40min, 30min.
10. a kind of preparation method of dynamic vulcanization antibacterial TPV composites according to claim 8, it is characterised in that institute
The temperature for stating extrusion is more than 150 DEG C, more preferably preferably 175-200 DEG C, 180 DEG C.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710261230.7A CN107245187A (en) | 2017-04-20 | 2017-04-20 | A kind of dynamic vulcanization antibacterial TPV composites and preparation method thereof |
| PCT/CN2017/101938 WO2018192162A1 (en) | 2017-04-20 | 2017-09-15 | Dynamically-vulcanized antibacterial tpv composite material, preparation method therefor and application thereof |
| ZA2018/06327A ZA201806327B (en) | 2017-04-20 | 2018-09-20 | Dynamically vulcanized antibacterial tpv composite material, preparation method thereof and use thereof |
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| CN201710261230.7A CN107245187A (en) | 2017-04-20 | 2017-04-20 | A kind of dynamic vulcanization antibacterial TPV composites and preparation method thereof |
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| WO (1) | WO2018192162A1 (en) |
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Cited By (5)
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| CN109134812A (en) * | 2018-07-13 | 2019-01-04 | 汕头大学 | A kind of composite antibacterial polyurethane blocks polymer and its preparation and application |
| CN109370064A (en) * | 2018-10-15 | 2019-02-22 | 道高分子聚合物（宁波）有限公司 | A kind of plastic cement race track resin particle and preparation method thereof |
| CN109666224A (en) * | 2018-12-24 | 2019-04-23 | 宁波汉吉高分子材料有限公司 | Sealing strip made of a kind of TPV of lasting self-lubricating and preparation method thereof the and TPV |
| CN110437604A (en) * | 2019-08-20 | 2019-11-12 | 广东工业大学 | A kind of polyolefin alloy process for preparation of thermoplastic elastomer |
| CN115785573A (en) * | 2022-12-02 | 2023-03-14 | 福建奥翔体育塑胶科技股份有限公司 | Durable antibacterial EPDM (ethylene-propylene-diene monomer) particles and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109134812A (en) * | 2018-07-13 | 2019-01-04 | 汕头大学 | A kind of composite antibacterial polyurethane blocks polymer and its preparation and application |
| CN109134812B (en) * | 2018-07-13 | 2020-11-03 | 汕头大学 | Composite antibacterial polyurethane block polymer and preparation and application thereof |
| CN109370064A (en) * | 2018-10-15 | 2019-02-22 | 道高分子聚合物（宁波）有限公司 | A kind of plastic cement race track resin particle and preparation method thereof |
| CN109666224A (en) * | 2018-12-24 | 2019-04-23 | 宁波汉吉高分子材料有限公司 | Sealing strip made of a kind of TPV of lasting self-lubricating and preparation method thereof the and TPV |
| CN109666224B (en) * | 2018-12-24 | 2022-01-11 | 宁波汉吉高分子材料有限公司 | Lasting self-lubricating TPV (thermoplastic vulcanizate), preparation method thereof and sealing strip prepared from TPV |
| CN110437604A (en) * | 2019-08-20 | 2019-11-12 | 广东工业大学 | A kind of polyolefin alloy process for preparation of thermoplastic elastomer |
| CN115785573A (en) * | 2022-12-02 | 2023-03-14 | 福建奥翔体育塑胶科技股份有限公司 | Durable antibacterial EPDM (ethylene-propylene-diene monomer) particles and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018192162A1 (en) | 2018-10-25 |
| ZA201806327B (en) | 2019-12-18 |
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