CN103627088B - Activeness and quietness Antibacterial polypropylene composition and preparation method thereof - Google Patents
Activeness and quietness Antibacterial polypropylene composition and preparation method thereof Download PDFInfo
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- CN103627088B CN103627088B CN201310633384.6A CN201310633384A CN103627088B CN 103627088 B CN103627088 B CN 103627088B CN 201310633384 A CN201310633384 A CN 201310633384A CN 103627088 B CN103627088 B CN 103627088B
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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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
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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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- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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Abstract
The present invention relates to a kind of activeness and quietness Antibacterial polypropylene composition and preparation method thereof; Said composition comprises each component of following weight percent content: polypropylene 54 ~ 87.7%; Coupling modifier inorganic antiseptic 0.5 ~ 5%; Ultrahigh molecular weight polyethylene(UHMWPE) master batch 10 ~ 30%; Graft polypropylene 1 ~ 8%; Stablizer 0.2 ~ 1%; Dispersion agent 0.2 ~ 1%; Oxidation inhibitor 0.4 ~ 1%.Ultrahigh molecular weight polyethylene(UHMWPE) is prepared into ultrahigh molecular weight polyethylene(UHMWPE) master batch under certain condition by the present invention, then extrudes with the inorganic antiseptic of surface modification, polypropylene, graft polypropylene and other auxiliary agent high-speed mixing and make high-intensity high-tenacity and high anti-microbial property polypropylene composite material.The present invention adds while inorganic antiseptic gives polypropylene excellent antibacterial activity, by adding organic overlength chain polymer activeness and quietness polypropylene in guarantee.Therefore the polypropylene composite material prepared not only shows excellent anti-microbial property, also has outstanding mechanical characteristic.
Description
Technical field
The invention belongs to technical field of polymer materials, be specifically related to a kind of activeness and quietness Antibacterial polypropylene composition and preparation method thereof.
Background technology
Data shows that the various surface of plastic products touched in daily life are infected with and grow multiple germ.Such as, bacterium on hotel's sitting wc pan has intestinal bacteria, streptococcus aureus, White staphylococcus, Bacillus subtilus, tetrads etc., and colony number reaches 40; The colony number of Public telephone microphone reaches 50; The colony number of the door handle at hospital, hotel even can up to more than 200.Along with the raising of people's living standard, everybody is also more and more higher to the requirement of health and health.Since the nineties, take Japan as research, the development and production work that the developed country of representative has carried out anti-biotic material in household electrical appliance, food product pack, toy for children, kitchen and sanitary bath equipment etc., to reduce the bacteriological infection occurred because using plastics.
Polypropylene, as a kind of non-toxic plastic, because of the processing characteristics that density is little, price is low and good, is widely used in each fields such as household electrical appliance.But polypropylene is the same with other plastics easily to be polluted by various unwanted bacteria, in applicable situation, easier bacterial growth.Interpolation antiseptic-germicide is generally adopted now to improve polyacrylic anti-microbial property.Plastic antimicrobial agent conventional at present can be divided into organic antibacterial agent and inorganic antiseptic, and organic antibacterial agent mainly contains ethers, phenol, biphenyl ethers, quaternary ammonium salt etc., be characterized in that sterilization speed is fast, but antibacterial validity period is short, resistance toheat is poor.Inorganic antiseptic is mainly silver, zinc, titanium plasma and compound thereof, is characterized in good heat resistance, high, the antibacterial validity period length of security etc.Such as Chinese patent CN101089038A discloses nanometer silver to be added polypropylene and obtains a kind of antibiotic rate and be greater than 99% polypropylene composite material; Chinese patent CN1699459A discloses a kind of silver-carrying nano oxide compound antibacterial polypropylene water-feeding pipes and preparation method thereof.Above-mentioned patent relates to nanometer silver, the application of silver-carrying nano oxide compound antiseptic-germicide in polypropylene, and obtains certain achievement.But silver-series antibacterial agent also exists a lot of shortcoming, as easy to change, poor heat resistance, manufacture difficulty, cost is high, in the plastic operation complexity etc., and precious metal toxic is also disputable in addition.In mechanical properties, polypropylene, under low temperature or high strain rate, causes material impact-resistant ability, notch sensitivity strong because the striking energy absorbed has little time to transmit in time, thus greatly limit the application of polypropylene as engineering materials and structured material.For optimizing Properties of Polypropylene, further expanding its range of application, all carrying out the research and development of a large amount of polypropylene reinforced plasticized modifications both at home and abroad, in multiphase copolymer and blending and modifying, achieving certain achievement.Such as Chinese patent CN201110308569.0 discloses one and utilizes rubber sulfonation flexibilized polypropylene material; Chinese patent CN201010214965.2 discloses one and utilizes styrene-butadiene rubber(SBR) toughening modifying polypropylene material and preparation method thereof; Japanese Patent Laid-Open 6-190991 discloses a kind of high density polyethylene(HDPE)/polypropylene bonding matrix material; US Patent No. 20020010241A1 discloses a kind of polyolefin compositions be made up of polypropylene and ultrahigh molecular weight polyethylene(UHMWPE).Patent reports although above-mentioned polypropylene toughness-increasing modified, in disclosed report, do not relate to the research of Mechanical Properties of PP and antibacterial two aspects.
Summary of the invention
The object of the invention is to the deficiency overcoming the existence of above-mentioned prior art, a kind of activeness and quietness Antibacterial polypropylene composition and preparation method thereof is provided.Said composition improves polyacrylic tensile strength and notched Izod impact strength by adding super long chain macromolecule while utilizing the anti-microbial property adding inorganic antiseptic imparting polypropylene excellence.
In polypropylene toughness-increasing modified research, the most frequently used toughening methods introduces flexible polymer exactly in plastic substrate, when system is subject to external impacts, absorbs a large amount of striking energy by the crazing and shear yielding causing flexible polymer surrounding matrix, thus improve the toughness of matrix.But this method exists fatal weakness, although namely the toughness of polypropylene matrix improves, often cause the reduction of tensile strength and hardness; On the other hand, for the Pp System adding inorganic antiseptic, introduce flexible polymer and be easy to form coating layer at inorganic antiseptic particle surface, reduce the antimicrobial efficiency of inorganic antiseptic.Therefore, simply in inorganic antiseptic/Pp System, add flexible polymer, although improve polyacrylic toughness to a certain extent, to a great extent with the antimicrobial efficiency of sacrificial inorganic antiseptic-germicide for cost.Therefore, while guarantee inorganic antiseptic excellent antibacterial performance, how improving Mechanical Properties of PP is one of difficult point of antibacterial polypropylene material research.
Many researchers adopts introduces super long chain macromolecule in polypropylene matrix, overlength molecular chain is utilized to form the skeleton structure of physical entanglement in the base, when material is subject to External Force Acting, in matrix, the skeleton of this entanglement absorbs and transmits striking energy, to play the effect of activeness and quietness.Such as, utilize the PE modified polypropylene that molecular weight is high, make itself and the linear interpenetrating(polymer)networks of the blended formation of polypropylene fusion or physical cross-linked network, when material under external force, network generation gross distortion, absorbs outside energy, plays the effect of activeness and quietness.But ultrahigh molecular weight polyethylene(UHMWPE) molecular weight is very long, mutually tangles each other, even if more than melting temperature, also keep elastomeric state and not there is mobility.
The present invention adopts linear low density polyethylene to be carrier, adds certain low-molecular-weight alkane and ultrahigh molecular weight polyethylene(UHMWPE) melt blending generates low viscous ultrahigh molecular weight polyethylene(UHMWPE) master batch; Adopt nano zine oxide or titanium dioxide as inorganic antiseptic, then polypropylene, ultrahigh molecular weight polyethylene(UHMWPE) master batch, inorganic antiseptic, graft polypropylene and other auxiliary agent are extruded by twin screw extruder melt blending the toughness reinforcing antibacterial polypropylene material that is enhanced.For the requirement preparing activeness and quietness antibacterial polypropylene material, the present invention has following characteristic: (1) selects nano zine oxide or titanium dioxide as inorganic antiseptic; (2) select the ultrahigh molecular weight polyethylene(UHMWPE) with overlength molecular chain as organic filler, and utilize linear low density polyethylene to extrude as carrier and ultrahigh molecular weight polyethylene(UHMWPE) melt blending, prepare ultrahigh molecular weight polyethylene(UHMWPE) master batch; (3) under the prerequisite effectively improving polypropylene antibacterial activity and mechanical strength, a small amount of inorganic antiseptic and ultrahigh molecular weight polyethylene(UHMWPE) master batch is used as far as possible.
The object of the invention is to be achieved through the following technical solutions:
First aspect, the present invention relates to a kind of activeness and quietness Antibacterial polypropylene composition, comprises each component of following weight percent content:
Preferably, described ultrahigh molecular weight polyethylene(UHMWPE) master batch is made up of each component of following weight percent content:
Preferably, the weight-average molecular weight of described ultrahigh molecular weight polyethylene(UHMWPE) is 150 ~ 5,000,000.
Preferably, described linear low density polyethylene density is 0.92g/cm
3, melting index is 24g/10min.
Preferably, described inorganic powder is one or more in calcium carbonate, talcum powder, carbon fiber, glass fibre, silicon-dioxide, potassium titanate crystal whisker.
Preferably, described compatilizer is whiteruss, and number-average molecular weight is 100 ~ 200g/mol.
Preferably, described polypropylene is a kind of or composition of the two in homo-polypropylene, Co-polypropylene; Described polyacrylic melting index is 1 ~ 25g/10min.
Preferably, described coupling modifier inorganic antiseptic is the inorganic antiseptic utilizing coupling agent to carry out surface modification, described coupling agent be silane coupling agent, titanate coupling agent, aluminate coupling agent one or more.The object of surface modification is the avidity increasing inorganic antiseptic and fluoropolymer resin.Silane coupling agent can be: KH550, DL602; Titanate coupling agent can be: UP-131, JW-105.
Preferably, described inorganic antiseptic is one or more in nano inorganic antimicrobial agent, composite hybridization nano inorganic antimicrobial agent.Be more preferably a kind of in nano zine oxide, titanium dioxide or their composition.
Preferably, described surface modification temperature is 60 ~ 70 DEG C, and coupling agent consumption is 0.5 ~ 2% of inorganic antiseptic weight.
Preferably, described graft polypropylene is the composition of one or more in maleic anhydride inoculated polypropylene, glycidyl methacrylate graft polypropylene.
Preferably, described dispersion agent is one or more in ethylene group bis-stearamides, glyceryl monostearate, Tristearoylglycerol.
Preferably, described stablizer is organic tin stablizer.
More preferably, described stablizer is one or more in dibutyl tin laurate, dibutyitin maleate, dibutyltin mercaptide.
Preferably, described oxidation inhibitor comprises primary antioxidant and auxiliary anti-oxidant; Described primary antioxidant is one or more in Hinered phenols antioxidant, sulphur ester antioxidant, and described auxiliary anti-oxidant is one or more in phosphite kind antioxidant, ester kind antioxidant.Primary antioxidant can be the one or both composition in 3114,1010; Auxiliary anti-oxidant can be the composition of the one or both in 618,168.
Second aspect, the present invention relates to a kind of preparation method of aforesaid activeness and quietness Antibacterial polypropylene composition, described method comprises the steps:
A, described polypropylene, coupling modifier inorganic antiseptic, ultrahigh molecular weight polyethylene(UHMWPE) master batch, graft polypropylene, dispersion agent, stablizer and oxidation inhibitor are mixed 15 ~ 20 minutes in super mixer;
B, add in twin screw extruder by mixed raw material, cooling granulation after melt extruding, to obtain final product; Expressing technique is: district's temperature 180 ~ 190 DEG C, two district's temperature 180 ~ 190 DEG C, three district's temperature 190 ~ 200 DEG C, four district's temperature 190 ~ 200 DEG C, five district's temperature 190 ~ 200 DEG C, six district's temperature 200 ~ 210 DEG C, seven district's temperature 200 ~ 210 DEG C, eight district's temperature 210 ~ 220 DEG C, nine district's temperature 210 ~ 220 DEG C, head temperature 200 ~ 210 DEG C, screw speed 200 ~ 250 revs/min, pressure 18 ~ 25MPa.
Preferably, described coupling modifier inorganic antiseptic is using ethanol or Virahol as dispersion agent, adopts coupling agent carry out surface modification preparation to inorganic antiseptic and obtain; Described surface modification temperature is 60 ~ 70 DEG C, and coupling agent consumption is 0.5 ~ 2% of inorganic antiseptic weight.
Preferably, described ultrahigh molecular weight polyethylene(UHMWPE) master batch is made up of each component of following weight percent content:
Preferably, described ultrahigh molecular weight polyethylene(UHMWPE) master batch prepares as follows and obtains: by described ultrahigh molecular weight polyethylene(UHMWPE), linear low density polyethylene, inorganic powder and compatilizer mix in super mixer, then by mixture through twin screw extruder extruding pelletization, expressing technique is: district's temperature 190 ~ 200 DEG C, two district's temperature 190 ~ 200 DEG C, three district's temperature 200 ~ 210 DEG C, four district's temperature 200 ~ 210 DEG C, five district's temperature 200 ~ 210 DEG C, six district's temperature 210 ~ 220 DEG C, seven district's temperature 210 ~ 220 DEG C, eight district's temperature 215 ~ 225 DEG C, nine district's temperature 215 ~ 225 DEG C, head temperature 200 ~ 220 DEG C, screw speed 200 ~ 250 turns/min, melt pressure 20 ~ 25MPa.
Compared with existing antibacterial polypropylene material, the present invention has following beneficial effect: the polypropylene material that the present invention prepares is antibacterial more fast, more lasting, safer; Present invention uses super long chain macromolecule as weighting agent simultaneously, improve the mechanical property of material, widen the range of application of antibacterial polypropylene material.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, the other features, objects and advantages of patent of the present invention will become more obvious:
Fig. 1 is the TEM picture of KH550 modified nano zinc oxide powder in embodiment 1;
Fig. 2 is embodiment 3 polypropylene impact fracture surface SEM photo.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
embodiment 1
The present embodiment relates to a kind of activeness and quietness Antibacterial polypropylene composition, comprises following each component: polypropylene, coupling modifier inorganic antiseptic, ultrahigh molecular weight polyethylene(UHMWPE) master batch, graft polypropylene, dispersion agent, stablizer, oxidation inhibitor; Wherein, ultrahigh molecular weight polyethylene(UHMWPE) master batch is made up of following each component: ultrahigh molecular weight polyethylene(UHMWPE), linear low density polyethylene, inorganic powder, compatilizer.
The preparation method of the activeness and quietness Antibacterial polypropylene composition of the present embodiment comprises the steps:
1), the finishing of inorganic antiseptic
Be that dispersion medium is heated to 60 DEG C with ethanol, add Silane coupling agent KH550 dispersion 5min, then add inorganic antiseptic zinc oxide dispersion 30min, dry, grind, sieving obtains modified zinc oxide, wherein KH550 consumption is 0.5%.As shown in Figure 1, as shown in Figure 1, modified nano zine oxide reunion degree reduces the TEM photo of the Silane coupling agent KH550 modified nano zinc oxide powder of the present embodiment.
2), the preparation of ultrahigh molecular weight polyethylene(UHMWPE) master batch
By 30% ultrahigh molecular weight polyethylene(UHMWPE), 40% linear low density polyethylene, (density is 0.92g/cm
3, melting index is 24g/10min), 15% calcium carbonate, 15% whiteruss mix in super mixer.Mixture is for subsequent use through twin screw extruder extruding pelletization, and wherein ultrahigh molecular weight polyethylene(UHMWPE) molecular weight is 1,500,000, and expressing technique is: district's temperature 190 DEG C, two district's temperature 190 DEG C, three district's temperature 200 DEG C, four district's temperature 200 DEG C, five district's temperature 200 DEG C, six district's temperature 210 DEG C, seven district's temperature 210 DEG C, eight district's temperature 215 DEG C, nine district's temperature 215 DEG C, head temperature 200 DEG C, screw speed 200 turns/min, melt pressure 20MPa.
3), the preparation of activeness and quietness antibacterial polypropylene material
87.7% homo-polypropylene, 0.5% modified zinc oxide, 10% ultrahigh molecular weight polyethylene(UHMWPE) master batch, 1% maleic anhydride inoculated polypropylene, 0.2% glyceryl monostearate, 0.2% dibutyl tin laurate, each 0.2% primary antioxidant 3114 and auxiliary anti-oxidant 168 are mixed in super mixer, then mixture is extruded through twin screw extruder the toughness reinforcing antibacterial polypropylene material that is enhanced.Wherein polypropylene melt index is 1g/10min, and expressing technique is: district's temperature 180 DEG C, two district's temperature 180 DEG C, three district's temperature 190 DEG C, four district's temperature 190 DEG C, five district's temperature 190 DEG C, six district's temperature 200 DEG C, seven district's temperature 200 DEG C, eight district's temperature 210 DEG C, nine district's temperature 210 DEG C, head temperature 200 DEG C, screw speed 200 turns/min, melt pressure 18MPa.
embodiment 2
The present embodiment relates to a kind of activeness and quietness Antibacterial polypropylene composition, comprises following each component: polypropylene, coupling modifier inorganic antiseptic, ultrahigh molecular weight polyethylene(UHMWPE) master batch, graft polypropylene, dispersion agent, stablizer, oxidation inhibitor; Wherein, ultrahigh molecular weight polyethylene(UHMWPE) master batch is made up of following each component: ultrahigh molecular weight polyethylene(UHMWPE), linear low density polyethylene, inorganic powder, compatilizer.
The preparation method of the activeness and quietness Antibacterial polypropylene composition of the present embodiment comprises the steps:
1), the finishing of inorganic antiseptic
Be that dispersion medium is heated to 60 DEG C with ethanol, add Silane coupling agent KH550 dispersion 5min, then add inorganic antiseptic zinc oxide dispersion 30min, dry, grind, sieving obtains modified zinc oxide, wherein KH550 consumption is 0.5%.
2), the preparation of ultrahigh molecular weight polyethylene(UHMWPE) master batch
50% ultrahigh molecular weight polyethylene(UHMWPE), 30% linear low density polyethylene, 10% calcium carbonate, 10% whiteruss are mixed in super mixer.Mixture is for subsequent use through twin screw extruder extruding pelletization, and wherein ultrahigh molecular weight polyethylene(UHMWPE) molecular weight is 1,500,000, and expressing technique is: district's temperature 200 DEG C, two district's temperature 200 DEG C, three district's temperature 210 DEG C, four district's temperature 210 DEG C, five district's temperature 210 DEG C, six district's temperature 220 DEG C, seven district's temperature 220 DEG C, eight district's temperature 225 DEG C, nine district's temperature 225 DEG C, head temperature 220 DEG C, screw speed 250 turns/min, melt pressure 25MPa.
3), the preparation of activeness and quietness antibacterial polypropylene material
67.7% homo-polypropylene, 0.5% modified zinc oxide, 30% ultrahigh molecular weight polyethylene(UHMWPE) master batch, 1% maleic anhydride inoculated polypropylene, 0.2% glyceryl monostearate, 0.2% dibutyl tin laurate, each 0.2% primary antioxidant 3114 and auxiliary anti-oxidant 168 are mixed in super mixer, then mixture is extruded through twin screw extruder the toughness reinforcing antibacterial polypropylene material that is enhanced.Wherein polypropylene melt index is 1g/10min, and expressing technique is: district's temperature 190 DEG C, two district's temperature 190 DEG C, three district's temperature 200 DEG C, four district's temperature 200 DEG C, five district's temperature 200 DEG C, six district's temperature 210 DEG C, seven district's temperature 210 DEG C, eight district's temperature 220 DEG C, nine district's temperature 220 DEG C, head temperature 210 DEG C, screw speed 230 turns/min, melt pressure 20MPa.
embodiment 3
The present embodiment relates to a kind of activeness and quietness Antibacterial polypropylene composition, comprises following each component: polypropylene, coupling modifier inorganic antiseptic, ultrahigh molecular weight polyethylene(UHMWPE) master batch, graft polypropylene, dispersion agent, stablizer, oxidation inhibitor; Wherein, ultrahigh molecular weight polyethylene(UHMWPE) master batch is made up of following each component: ultrahigh molecular weight polyethylene(UHMWPE), linear low density polyethylene, inorganic powder, compatilizer.
The preparation method of the activeness and quietness Antibacterial polypropylene composition of the present embodiment comprises the steps:
1), the finishing of inorganic antiseptic
Be that dispersion medium is heated to 70 DEG C with Virahol, add silane coupling agent DL602 and disperse 5min, then add inorganic antiseptic zinc oxide dispersion 30min, dry, grind, sieving obtains modified zinc oxide, wherein DL602 consumption is 2%.
2), the preparation of ultrahigh molecular weight polyethylene(UHMWPE) master batch
30% ultrahigh molecular weight polyethylene(UHMWPE), 40% linear low density polyethylene, 15% talcum powder, 15% whiteruss are mixed in super mixer.Mixture is for subsequent use through twin screw extruder extruding pelletization, and wherein ultrahigh molecular weight polyethylene(UHMWPE) molecular weight is 1,500,000, and expressing technique is: district's temperature 190 DEG C, two district's temperature 190 DEG C, three district's temperature 200 DEG C, four district's temperature 200 DEG C, five district's temperature 200 DEG C, six district's temperature 210 DEG C, seven district's temperature 210 DEG C, eight district's temperature 215 DEG C, nine district's temperature 215 DEG C, head temperature 200 DEG C, screw speed 200 turns/min, melt pressure 20MPa.
3), the preparation of activeness and quietness antibacterial polypropylene material
64.4% homo-polypropylene, 5% modified zinc oxide, 20% ultrahigh molecular weight polyethylene(UHMWPE) master batch, 8% maleic anhydride inoculated polypropylene, 1% glyceryl monostearate, 1% dibutyl tin laurate, each 0.3% primary antioxidant 3114 and auxiliary anti-oxidant 168 are mixed in super mixer, then mixture is extruded through twin screw extruder the toughness reinforcing antibacterial polypropylene material that is enhanced.Wherein polypropylene melt index is 1g/10min, and expressing technique is: district's temperature 180 DEG C, two district's temperature 180 DEG C, three district's temperature 190 DEG C, four district's temperature 190 DEG C, five district's temperature 190 DEG C, six district's temperature 200 DEG C, seven district's temperature 200 DEG C, eight district's temperature 210 DEG C, nine district's temperature 210 DEG C, head temperature 200 DEG C, screw speed 200 turns/min, melt pressure 20MPa.
As shown in Figure 2, as shown in Figure 2, nano zine oxide is uniformly dispersed the SEM photo of the activeness and quietness antibacterial polypropylene material impact fracture surface of the present embodiment in polypropylene.
embodiment 4
The present embodiment relates to a kind of activeness and quietness Antibacterial polypropylene composition, comprises following each component: polypropylene, coupling modifier inorganic antiseptic, ultrahigh molecular weight polyethylene(UHMWPE) master batch, graft polypropylene, dispersion agent, stablizer, oxidation inhibitor; Wherein, ultrahigh molecular weight polyethylene(UHMWPE) master batch is made up of following each component: ultrahigh molecular weight polyethylene(UHMWPE), linear low density polyethylene, inorganic powder, compatilizer.
The preparation method of the activeness and quietness Antibacterial polypropylene composition of the present embodiment comprises the steps:
1), the finishing of inorganic antiseptic
Be that dispersion medium is heated to 70 DEG C with ethanol, add titanate coupling agent UP-131 and disperse 5min, then add inorganic antiseptic zinc oxide dispersion 30min, dry, grind, sieving obtains modified zinc oxide, wherein UP-131 consumption is 1%.
2), the preparation of ultrahigh molecular weight polyethylene(UHMWPE) master batch
50% ultrahigh molecular weight polyethylene(UHMWPE), 30% linear low density polyethylene, 10% potassium titanate crystal whisker, 10% whiteruss are mixed in super mixer.Mixture is for subsequent use through twin screw extruder extruding pelletization, and wherein ultrahigh molecular weight polyethylene(UHMWPE) molecular weight is 1,500,000, and expressing technique is: district's temperature 200 DEG C, two district's temperature 200 DEG C, three district's temperature 210 DEG C, four district's temperature 210 DEG C, five district's temperature 210 DEG C, six district's temperature 220 DEG C, seven district's temperature 220 DEG C, eight district's temperature 225 DEG C, nine district's temperature 225 DEG C, head temperature 220 DEG C, screw speed 250 turns/min, melt pressure 25MPa.
3), the preparation of activeness and quietness antibacterial polypropylene material
54% homo-polypropylene, 5% modified zinc oxide, 30% ultrahigh molecular weight polyethylene(UHMWPE) master batch, 8% maleic anhydride inoculated polypropylene, 1% glyceryl monostearate, 1% dibutyl tin laurate, each 0.5% primary antioxidant 1010 and auxiliary anti-oxidant 168 are mixed in super mixer, then mixture is extruded through twin screw extruder the toughness reinforcing antibacterial polypropylene material that is enhanced.Wherein polypropylene melt index is 1g/10min, and expressing technique is: district's temperature 190 DEG C, two district's temperature 190 DEG C, three district's temperature 200 DEG C, four district's temperature 200 DEG C, five district's temperature 200 DEG C, six district's temperature 210 DEG C, seven district's temperature 210 DEG C, eight district's temperature 220 DEG C, nine district's temperature 220 DEG C, head temperature 210 DEG C, screw speed 250 turns/min, melt pressure 25MPa.
embodiment 5
The present embodiment relates to a kind of activeness and quietness Antibacterial polypropylene composition, comprises following each component: polypropylene, coupling modifier inorganic antiseptic, ultrahigh molecular weight polyethylene(UHMWPE) master batch, graft polypropylene, dispersion agent, stablizer, oxidation inhibitor; Wherein, ultrahigh molecular weight polyethylene(UHMWPE) master batch is made up of following each component: ultrahigh molecular weight polyethylene(UHMWPE), linear low density polyethylene, inorganic powder, compatilizer.
The preparation method of the activeness and quietness Antibacterial polypropylene composition of the present embodiment comprises the steps:
1), the finishing of inorganic antiseptic
Be that dispersion medium is heated to 60 DEG C with ethanol, add Silane coupling agent KH550 dispersion 5min, then add inorganic antiseptic titanium dioxide dispersion 30min, dry, grind, sieving obtains modifying titanium dioxide, wherein KH550 consumption is 0.5%.
2), the preparation of ultrahigh molecular weight polyethylene(UHMWPE) master batch
40% ultrahigh molecular weight polyethylene(UHMWPE), 34% linear low density polyethylene, 13% calcium carbonate, 13% whiteruss are mixed in super mixer.Mixture is for subsequent use through twin screw extruder extruding pelletization, and wherein ultrahigh molecular weight polyethylene(UHMWPE) molecular weight is 1,500,000, and expressing technique is: district's temperature 190 DEG C, two district's temperature 190 DEG C, three district's temperature 200 DEG C, four district's temperature 200 DEG C, five district's temperature 200 DEG C, six district's temperature 210 DEG C, seven district's temperature 210 DEG C, eight district's temperature 215 DEG C, nine district's temperature 215 DEG C, head temperature 200 DEG C, screw speed 200 turns/min, melt pressure 20MPa.
3), the preparation of activeness and quietness antibacterial polypropylene material
87.7% homo-polypropylene, 0.5% modifying titanium dioxide, 10% ultrahigh molecular weight polyethylene(UHMWPE) master batch, 1% maleic anhydride inoculated polypropylene, 0.2% glyceryl monostearate, 0.2% dibutyl tin laurate, each 0.2% primary antioxidant 3114 and auxiliary anti-oxidant 168 are mixed in super mixer, then mixture is extruded through twin screw extruder the toughness reinforcing antibacterial polypropylene material that is enhanced.Wherein polypropylene melt index is 1g/10min, and expressing technique is: district's temperature 180 DEG C, two district's temperature 180 DEG C, three district's temperature 190 DEG C, four district's temperature 190 DEG C, five district's temperature 190 DEG C, six district's temperature 200 DEG C, seven district's temperature 200 DEG C, eight district's temperature 210 DEG C, nine district's temperature 210 DEG C, head temperature 200 DEG C, screw speed 200 turns/min, melt pressure 18MPa.
embodiment 6
The present embodiment relates to a kind of activeness and quietness Antibacterial polypropylene composition, comprises following each component: polypropylene, coupling modifier inorganic antiseptic, ultrahigh molecular weight polyethylene(UHMWPE) master batch, graft polypropylene, dispersion agent, stablizer, oxidation inhibitor; Wherein, ultrahigh molecular weight polyethylene(UHMWPE) master batch is made up of following each component: ultrahigh molecular weight polyethylene(UHMWPE), linear low density polyethylene, inorganic powder, compatilizer.
The preparation method of the activeness and quietness Antibacterial polypropylene composition of the present embodiment comprises the steps:
1), the finishing of inorganic antiseptic
Be that dispersion medium is heated to 65 DEG C with Virahol, add titanate coupling agent UP-131 and disperse 5min, then add inorganic antiseptic titanium dioxide dispersion 30min, dry, grind, sieving obtains modifying titanium dioxide, wherein UP-131 consumption is 2%.
2), the preparation of ultrahigh molecular weight polyethylene(UHMWPE) master batch
50% ultrahigh molecular weight polyethylene(UHMWPE), 30% linear low density polyethylene, 10% talcum powder, 10% whiteruss are mixed in super mixer.Mixture is for subsequent use through twin screw extruder extruding pelletization, and wherein ultrahigh molecular weight polyethylene(UHMWPE) molecular weight is 5,000,000, and expressing technique is: district's temperature 200 DEG C, two district's temperature 200 DEG C, three district's temperature 210 DEG C, four district's temperature 210 DEG C, five district's temperature 210 DEG C, six district's temperature 220 DEG C, seven district's temperature 220 DEG C, eight district's temperature 225 DEG C, nine district's temperature 225 DEG C, head temperature 220 DEG C, screw speed 250 turns/min, melt pressure 25MPa.
3), the preparation of activeness and quietness antibacterial polypropylene material
54% Co-polypropylene, 5% modifying titanium dioxide, 30% ultrahigh molecular weight polyethylene(UHMWPE) master batch, 8% glycidyl methacrylate graft polypropylene, 1% Tristearoylglycerol, 1% dibutyitin maleate, each 0.5% primary antioxidant 1010 and auxiliary anti-oxidant 618 are mixed in super mixer, then mixture is extruded through twin screw extruder the toughness reinforcing antibacterial polypropylene material that is enhanced.Wherein polypropylene melt index is 25g/10min, and expressing technique is: district's temperature 190 DEG C, two district's temperature 190 DEG C, three district's temperature 200 DEG C, four district's temperature 200 DEG C, five district's temperature 200 DEG C, six district's temperature 210 DEG C, seven district's temperature 210 DEG C, eight district's temperature 220 DEG C, nine district's temperature 220 DEG C, head temperature 210 DEG C, screw speed 250 turns/min, melt pressure 25MPa.
embodiment 7
The present embodiment relates to a kind of activeness and quietness Antibacterial polypropylene composition, comprises following each component: polypropylene, coupling modifier inorganic antiseptic, ultrahigh molecular weight polyethylene(UHMWPE) master batch, graft polypropylene, dispersion agent, stablizer, oxidation inhibitor; Wherein, ultrahigh molecular weight polyethylene(UHMWPE) master batch is made up of following each component: ultrahigh molecular weight polyethylene(UHMWPE), linear low density polyethylene, inorganic powder, compatilizer.
The preparation method of the activeness and quietness Antibacterial polypropylene composition of the present embodiment comprises the steps:
1), the finishing of inorganic antiseptic
Be that dispersion medium is heated to 60 DEG C with ethanol, add Silane coupling agent KH550 dispersion 5min, then add inorganic antiseptic zinc oxide dispersion 30min, dry, grind, sieving obtains modified zinc oxide, wherein KH550 consumption is 0.5%.Same method, obtains titanate coupling agent UP-131 modifying titanium dioxide.
2), the preparation of ultrahigh molecular weight polyethylene(UHMWPE) master batch
30% ultrahigh molecular weight polyethylene(UHMWPE), 40% linear low density polyethylene, 15% calcium carbonate, 15% whiteruss are mixed in super mixer.Mixture is for subsequent use through twin screw extruder extruding pelletization, and wherein ultrahigh molecular weight polyethylene(UHMWPE) molecular weight is 2,500,000, and expressing technique is: district's temperature 190 DEG C, two district's temperature 190 DEG C, three district's temperature 200 DEG C, four district's temperature 200 DEG C, five district's temperature 200 DEG C, six district's temperature 210 DEG C, seven district's temperature 210 DEG C, eight district's temperature 215 DEG C, nine district's temperature 215 DEG C, head temperature 200 DEG C, screw speed 200 turns/min, melt pressure 20MPa.
3), the preparation of activeness and quietness antibacterial polypropylene material
85% Co-polypropylene, each 0.5% modified zinc oxide and titanium dioxide, 10% ultrahigh molecular weight polyethylene(UHMWPE) master batch, 2% maleic anhydride inoculated polypropylene, 0.5% glyceryl monostearate, 0.5% dibutyl tin laurate, each 0.5% primary antioxidant 3114 and auxiliary anti-oxidant 168 are mixed in super mixer, then mixture is extruded through twin screw extruder the toughness reinforcing antibacterial polypropylene material that is enhanced.Wherein polypropylene melt index is 25g/10min, and expressing technique is: district's temperature 180 DEG C, two district's temperature 180 DEG C, three district's temperature 190 DEG C, four district's temperature 190 DEG C, five district's temperature 190 DEG C, six district's temperature 200 DEG C, seven district's temperature 200 DEG C, eight district's temperature 210 DEG C, nine district's temperature 210 DEG C, head temperature 200 DEG C, screw speed 200 turns/min, melt pressure 18MPa.
embodiment 8
The present embodiment relates to a kind of activeness and quietness Antibacterial polypropylene composition, comprises following each component: polypropylene, coupling modifier inorganic antiseptic, ultrahigh molecular weight polyethylene(UHMWPE) master batch, graft polypropylene, dispersion agent, stablizer, oxidation inhibitor; Wherein, ultrahigh molecular weight polyethylene(UHMWPE) master batch is made up of following each component: ultrahigh molecular weight polyethylene(UHMWPE), linear low density polyethylene, inorganic powder, compatilizer.
The preparation method of the activeness and quietness Antibacterial polypropylene composition of the present embodiment comprises the steps:
1), the finishing of inorganic antiseptic
Be that dispersion medium is heated to 70 DEG C with Virahol, add silane coupling agent DL602 and disperse 5min, then add inorganic antiseptic zinc oxide dispersion 30min, dry, grind, sieving obtains modified zinc oxide, wherein DL602 consumption is 2%.Same method, obtains titanate coupling agent JW-105 modifying titanium dioxide.
2), the preparation of ultrahigh molecular weight polyethylene(UHMWPE) master batch
50% ultrahigh molecular weight polyethylene(UHMWPE), 30% linear low density polyethylene, 10% potassium titanate crystal whisker, 10% whiteruss are mixed in super mixer.Mixture is for subsequent use through twin screw extruder extruding pelletization, and wherein ultrahigh molecular weight polyethylene(UHMWPE) molecular weight is 2,500,000, and expressing technique is: district's temperature 190 DEG C, two district's temperature 190 DEG C, three district's temperature 200 DEG C, four district's temperature 200 DEG C, five district's temperature 200 DEG C, six district's temperature 210 DEG C, seven district's temperature 210 DEG C, eight district's temperature 220 DEG C, nine district's temperature 220 DEG C, head temperature 210 DEG C, screw speed 250 turns/min, melt pressure 25MPa.
3), the preparation of activeness and quietness antibacterial polypropylene material
57% Co-polypropylene, each 2% modified zinc oxide and titanium dioxide, 30% ultrahigh molecular weight polyethylene(UHMWPE) master batch, 6% glycidyl methacrylate graft polypropylene, 1% Tristearoylglycerol, 1% dibutyitin maleate, each 0.5% primary antioxidant 1010 and auxiliary anti-oxidant 618 are mixed in super mixer, then mixture is extruded through twin screw extruder the toughness reinforcing antibacterial polypropylene material that is enhanced.Wherein polypropylene melt index is 25g/10min, and expressing technique is: district's temperature 180 DEG C, two district's temperature 180 DEG C, three district's temperature 190 DEG C, four district's temperature 190 DEG C, five district's temperature 190 DEG C, six district's temperature 200 DEG C, seven district's temperature 200 DEG C, eight district's temperature 210 DEG C, nine district's temperature 210 DEG C, head temperature 200 DEG C, screw speed 250 turns/min, melt pressure 25MPa.
comparative example 1
This comparative example relates to a kind of Antibacterial polypropylene composition; Its preparation method comprises the steps:
Be that dispersion medium is heated to 60 DEG C with ethanol, add Silane coupling agent KH550 dispersion 5min, then add inorganic antiseptic zinc oxide dispersion 30min, dry, grind, sieving obtains modified zinc oxide, wherein KH550 consumption is 0.5%.97.7% homo-polypropylene, 0.5% modified zinc oxide, 1% maleic anhydride inoculated polypropylene, 0.2% glyceryl monostearate, 0.2% dibutyl tin laurate, each 0.2% primary antioxidant 3114 and auxiliary anti-oxidant 168 are mixed in super mixer, then mixture is extruded through twin screw extruder and obtain antibacterial polypropylene material.Wherein polypropylene melt index is 1g/10min, and expressing technique is: district's temperature 190 DEG C, two district's temperature 190 DEG C, three district's temperature 200 DEG C, four district's temperature 200 DEG C, five district's temperature 200 DEG C, six district's temperature 210 DEG C, seven district's temperature 210 DEG C, eight district's temperature 220 DEG C, nine district's temperature 220 DEG C, head temperature 210 DEG C, screw speed 230 turns/min, melt pressure 20MPa.
comparative example 2
This comparative example relates to a kind of Antibacterial polypropylene composition; Its preparation method comprises the steps:
Be that dispersion medium is heated to 65 DEG C with Virahol, add titanate coupling agent UP-131 and disperse 5min, then add inorganic antiseptic titanium dioxide dispersion 30min, dry, grind, sieving obtains modifying titanium dioxide, wherein UP-131 consumption is 2%.Subsequently by 84% Co-polypropylene, 5% modifying titanium dioxide, 8% glycidyl methacrylate graft polypropylene, 1% Tristearoylglycerol, 1% dibutyitin maleate, each 0.5% primary antioxidant 1010 and auxiliary anti-oxidant 618 mix in super mixer, are then extruded through twin screw extruder by mixture and obtain titania modified polypropylene material.Wherein polypropylene melt index is 25g/10min, and expressing technique is: district's temperature 190 DEG C, two district's temperature 190 DEG C, three district's temperature 200 DEG C, four district's temperature 200 DEG C, five district's temperature 200 DEG C, six district's temperature 210 DEG C, seven district's temperature 210 DEG C, eight district's temperature 220 DEG C, nine district's temperature 220 DEG C, head temperature 210 DEG C, screw speed 250 turns/min, melt pressure 25MPa.
comparative example 3
This comparative example relates to a kind of Antibacterial polypropylene composition; Its preparation method comprises the steps:
50% ultrahigh molecular weight polyethylene(UHMWPE), 30% linear low density polyethylene, 10% potassium titanate crystal whisker, 10% whiteruss are mixed in super mixer.Mixture is for subsequent use through twin screw extruder extruding pelletization, and wherein ultrahigh molecular weight polyethylene(UHMWPE) molecular weight is 2,500,000, and expressing technique is: district's temperature 190 DEG C, two district's temperature 190 DEG C, three district's temperature 200 DEG C, four district's temperature 200 DEG C, five district's temperature 200 DEG C, six district's temperature 210 DEG C, seven district's temperature 210 DEG C, eight district's temperature 220 DEG C, nine district's temperature 220 DEG C, head temperature 210 DEG C, screw speed 250 turns/min, melt pressure 25MPa.Subsequently 61% Co-polypropylene, 30% ultrahigh molecular weight polyethylene(UHMWPE) master batch, 6% glycidyl methacrylate graft polypropylene, 1% Tristearoylglycerol, 1% dibutyitin maleate, each 0.5% primary antioxidant 1010 and auxiliary anti-oxidant 618 are mixed in super mixer, then mixture is extruded through twin screw extruder and obtain antibacterial polypropylene material.Wherein polypropylene melt index is 25g/10min, and expressing technique is: district's temperature 180 DEG C, two district's temperature 180 DEG C, three district's temperature 190 DEG C, four district's temperature 190 DEG C, five district's temperature 190 DEG C, six district's temperature 200 DEG C, seven district's temperature 200 DEG C, eight district's temperature 210 DEG C, nine district's temperature 210 DEG C, head temperature 200 DEG C, screw speed 250 turns/min, melt pressure 25MPa.
The composition of above embodiment 1 ~ 8 and comparative example 1 ~ 3 is carried out performance test, and test result is as shown in table 1; Specific performance evaluation method and carry out standard as follows:
By the particle prepared as stated above, dry 5 ~ 6h in the convection oven of 80 ~ 90 DEG C, and then dried particle is carried out injection molding sample preparation in injector.
Tensile property is tested: undertaken by GB/T1040-2006 standard, specimen size is 170mm*10mm*4mm, and rate of extension is 50mm/min.
Bending property is tested: undertaken by GB/T9341-2000 standard, specimen size is 80mm*10mm*4mm, and rate of bending is 2mm/min.
Simply supported beam notched Izod impact strength is tested: GB/T1043.1-2008 standard is carried out, and pattern is of a size of 60mm*10mm*4mm.
Anti-microbial property detects with reference to People's Republic of China (PRC) light industry standard QB/T2591-2003 film applicator coating, investigates the bacteriostasis rate of sample 24h, and the mensuration of total number of bacterial colony is with reference to QB/T4789.2-2003 counting.The antibacterial model of injection formed is made 50mm*50mm.The calculating formula of antibiotic rate is as follows:
Wherein, B represents the average bacterial count recovered of control sample, cfu/ sheet; C represents antibiotic plastic sample average bacterial count recovered, cfu/ sheet.
Table 1 mechanics and anti-microbial property data
As shown in Table 1, coupling modifier nano inorganic antimicrobial agent and ultrahigh molecular weight polyethylene(UHMWPE) master batch filled modified polypropylene significantly improve antimicrobial efficiency and the mechanical property of polypropylene material, and then have widened the range of application of polypropylene material.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (15)
1. an activeness and quietness Antibacterial polypropylene composition, is characterized in that, comprises each component of following weight percent content:
Described ultrahigh molecular weight polyethylene(UHMWPE) master batch is made up of each component of following weight percent content:
Described coupling modifier inorganic antiseptic adopts coupling agent to carry out the inorganic antiseptic of surface modification, described coupling agent be silane coupling agent, titanate coupling agent, aluminate coupling agent one or more;
Described inorganic antiseptic is one or more in nano inorganic antimicrobial agent, composite hybridization nano inorganic antimicrobial agent.
2. activeness and quietness Antibacterial polypropylene composition as claimed in claim 1, it is characterized in that, the weight-average molecular weight of described ultrahigh molecular weight polyethylene(UHMWPE) is 150 ~ 5,000,000.
3. activeness and quietness Antibacterial polypropylene composition as claimed in claim 1, it is characterized in that, described linear low density polyethylene density is 0.92g/cm
3, melting index is 24g/10min.
4. activeness and quietness Antibacterial polypropylene composition as claimed in claim 1, it is characterized in that, described inorganic powder is one or more in calcium carbonate, talcum powder, carbon fiber, glass fibre, silicon-dioxide, potassium titanate crystal whisker.
5. activeness and quietness Antibacterial polypropylene composition as claimed in claim 1, it is characterized in that, described compatilizer is whiteruss, and number-average molecular weight is 100 ~ 200g/mol.
6. the activeness and quietness Antibacterial polypropylene composition according to any one of Claims 1 to 5, is characterized in that, described polypropylene is a kind of or composition of the two in homo-polypropylene, Co-polypropylene; Described polyacrylic melting index is 1 ~ 25g/10min.
7. activeness and quietness Antibacterial polypropylene composition as claimed in claim 1, it is characterized in that, described surface modification temperature is 60 ~ 70 DEG C, and coupling agent consumption is 0.5 ~ 2% of inorganic antiseptic weight.
8. the activeness and quietness Antibacterial polypropylene composition according to any one of Claims 1 to 5, is characterized in that, described graft polypropylene is the composition of one or more in maleic anhydride inoculated polypropylene, glycidyl methacrylate graft polypropylene.
9. the activeness and quietness Antibacterial polypropylene composition according to any one of Claims 1 to 5, is characterized in that, described dispersion agent is one or more in ethylene group bis-stearamides, glyceryl monostearate, Tristearoylglycerol.
10. the activeness and quietness Antibacterial polypropylene composition according to any one of Claims 1 to 5, is characterized in that, described stablizer is organic tin stablizer.
11. activeness and quietness Antibacterial polypropylene composition as claimed in claim 10, it is characterized in that, described stablizer is one or more in dibutyl tin laurate, dibutyitin maleate, dibutyltin mercaptide.
12. activeness and quietness Antibacterial polypropylene composition according to any one of Claims 1 to 5, it is characterized in that, described oxidation inhibitor comprises primary antioxidant and auxiliary anti-oxidant; Described primary antioxidant is one or more in Hinered phenols antioxidant, sulphur ester antioxidant, and described auxiliary anti-oxidant is one or more in phosphite kind antioxidant, ester kind antioxidant.
The preparation method of 13. 1 kinds of activeness and quietness Antibacterial polypropylene composition as claimed in claim 1, is characterized in that, described method comprises the steps:
A, described polypropylene, coupling modifier inorganic antiseptic, ultrahigh molecular weight polyethylene(UHMWPE) master batch, graft polypropylene, dispersion agent, stablizer and oxidation inhibitor are mixed 15 ~ 20 minutes in super mixer;
B, add in twin screw extruder by mixed raw material, cooling granulation after melt extruding, to obtain final product; Expressing technique is: district's temperature 180 ~ 190 DEG C, two district's temperature 180 ~ 190 DEG C, three district's temperature 190 ~ 200 DEG C, four district's temperature 190 ~ 200 DEG C, five district's temperature 190 ~ 200 DEG C, six district's temperature 200 ~ 210 DEG C, seven district's temperature 200 ~ 210 DEG C, eight district's temperature 210 ~ 220 DEG C, nine district's temperature 210 ~ 220 DEG C, head temperature 200 ~ 210 DEG C, screw speed 200 ~ 250 revs/min, pressure 18 ~ 25MPa.
The preparation method of 14. activeness and quietness Antibacterial polypropylene composition as claimed in claim 13, it is characterized in that, described coupling modifier inorganic antiseptic is using ethanol or Virahol as dispersion agent, adopts coupling agent carry out surface modification preparation to inorganic antiseptic and obtain; Described surface modification temperature is 60 ~ 70 DEG C, and coupling agent consumption is 0.5 ~ 2% of inorganic antiseptic weight.
The preparation method of 15. activeness and quietness Antibacterial polypropylene composition as claimed in claim 13, it is characterized in that, described ultrahigh molecular weight polyethylene(UHMWPE) master batch prepares as follows and obtains: by described ultrahigh molecular weight polyethylene(UHMWPE), linear low density polyethylene, inorganic powder and compatilizer mix in super mixer, then by mixture through twin screw extruder extruding pelletization, expressing technique is: district's temperature 190 ~ 200 DEG C, two district's temperature 190 ~ 200 DEG C, three district's temperature 200 ~ 210 DEG C, four district's temperature 200 ~ 210 DEG C, five district's temperature 200 ~ 210 DEG C, six district's temperature 210 ~ 220 DEG C, seven district's temperature 210 ~ 220 DEG C, eight district's temperature 215 ~ 225 DEG C, nine district's temperature 215 ~ 225 DEG C, head temperature 200 ~ 220 DEG C, screw speed 200 ~ 250 turns/min, melt pressure 20 ~ 25MPa.
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