CN106750958A - It is a kind of comprising low cost, efficiently, composite of broad-spectrum antibiotic polypropylene functional agglomerate and preparation method thereof - Google Patents
It is a kind of comprising low cost, efficiently, composite of broad-spectrum antibiotic polypropylene functional agglomerate and preparation method thereof Download PDFInfo
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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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
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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
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- 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
Abstract
The invention discloses a kind of comprising low cost, the efficient, composite of broad-spectrum antibiotic polypropylene functional agglomerate and preparation method thereof, it is prepared from by following raw materials by weight：5~10 parts of antibacterial functions master batch, 48~93 parts of conventional polypropylene, 0~40 part of inorganic filler, 8~20 parts of elastomer, 0.1~1 part of antioxidant, 0~3 part of other auxiliary agents.Technical solution of the present invention is reduced because of the influence that a large amount of addition antiseptics bring to material other performances while reaching and reducing material cost, the features such as prepared antibacterial polypropylene composite has efficient, the anti-microbial property of wide spectrum, good mechanical performance.
Description
Technical field
It is inexpensive, efficient, wide the present invention relates to a kind of functionalized polypropylene material and preparation method thereof, more particularly to one kind
The preparation method of spectrum antibacterial polypropylene functional agglomerate and its composite, belongs to polypropylene technology field.
Background technology
Polypropylene plastics has raw material sources wide because of it, cheap and with excellent heat resistance and be easy to processing and forming
The features such as, and be widely used in the products such as automobile interior exterior decorations, household electrical appliances, PC, as plastic products with the fastest developing speed
One of kind.Continuous improvement and science and technology recently as people's living standard are continued to develop, and people are to polypropylene plastics
The health of material and its product and the requirement of the feature of environmental protection also more and more higher, particularly with gathering that some are often frequently contacted with human body
Acrylic plastic product, such as some household electrical appliance, commodity and automotive upholstery, these parts are being used and storage process
In, under certain temperature and humidity conditions, its product surface easily grows a large amount of bacteriums to health generation great threat etc.
Microorganism can not meet the health environment-friendly demand of people's continuous improvement.
To assign polypropylene material anti-microbial property, the selection of antiseptic is most important.Wherein nano TiO 2 carrying silver is anti-
Microbial inoculum has the advantages that strong antibacterial, of long duration, has a broad antifungal spectrum, biological safety are good as a kind of new inorganic antiseptic
Enjoy people to pay close attention in recent years, mainly apply to the medical domain antiseptics such as surgical instruments, contraceptive device, bone prosthese, and it is little
It is employed in the general-purpose plastics product of daily life field, returns its reason mainly to include at following 2 points：First, due to nanometer two
Titanium oxide carrying silver antimicrobials are expensive in itself, and the cost of PP composite material is caused under the addition for meeting antibacterial requirement
Increase substantially, without the stronger market competitiveness, it need to be carried out to drop present treatment or lift its antimicrobial efficiency, reduction to make
Consumption controls the cost of composite with this；Second, because its surface of nano TiO 2 carrying silver antibacterial agent added can be compared with
High poor with the compatibility of polypropylene material, antiseptic particle easily produces reunion when with PP composite material blending extrusion
Effect, is not likely to produce active antibacterial group, ultimately results in antiseptic and does not play due anti-microbial property not only, also to composite wood
The mechanical performances such as impact, the stretching of material cause greatly infringement, it is therefore desirable to treatment, lifting and polypropylene-base are modified to it
The compatibility of body material, reduces the reuniting effect of antiseptic, reduces the infringement to mechanical performances such as composite impact, stretchings.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of low cost, efficient, broad-spectrum antibiotic polypropylene
The preparation method of functional agglomerate and its composite, the method is mainly included a kind of antibacterial with high fluidity Yu compatibility
Functional agglomerate is prepared with conventional polypropylene by double screw extruder or injection machine blending extrusion.Antibacterial functions master batch is more normal
Isotactic polypropylene material has mobility higher when blend is extruded from double screw extruder or injection machine, because polymer is molten
The extrudate of body swells effect, the functional agglomerate when polymer is extruded from double screw extruder or injection machine with high fluidity
First to melt outside flowing so as to drive antibacterial functions auxiliary agent priority enrichment in material surface, and material internal then be free of or
Person contains micro antiseptic, it is ensured that expensive antibacterial functions can be effectively reduced while material has good bacterium effect
The consumption of auxiliary agent, is finally reaching reduction material cost while can also reduce because adding what antiseptic brought to material internal performance
Influence.
The present invention provides the preparation side of a kind of low cost, efficient, broad-spectrum antibiotic polypropylene functional agglomerate and its composite
Method, by the Novel Titanium dioxide carrying silver antimicrobials after surface-modified modification be prepared with high fluidity and compatibility
Polypropylene antibacterial functional agglomerate is prepared with conventional polypropylene by twin-screw or injection machine blending extrusion, wherein antibacterial functions
The addition of master batch is 5~10 parts by weight.Described antibacterial functions master batch is by with high-flowability polypropylene as base
Body material, through the preparation of the extruding pelletization such as double screw extruder and surface modification modified Novel Titanium dioxide carrying silver antimicrobials
Come.
It is that, up to foregoing invention purpose, the present invention is achieved through the following technical solutions：
A kind of composite comprising low cost, efficient, broad-spectrum antibiotic polypropylene functional agglomerate, by following according to weight portion
The raw material of number meter is prepared from：
Conventional polypropylene：48~93 parts；
Inorganic particulate filler：0~40 part；
Elastomer：0~20 part；
Antibacterial functions master batch：5~10 parts；
Auxiliary agent：2~5 parts；
Described antibacterial functions master batch is prepared from by following raw materials by weight：
High flow speed polypropylene：48~73 parts；
Titanium dioxide carrying silver antimicrobials：20~40 parts；
Surface modifier：8~12 parts；
Auxiliary agent：2~5 parts.
Further, described conventional polypropylene material refers to that the flowing velocity of material exists under the conditions of 2.16Kg at 230 DEG C
The polypropylene of 0.5~60g/10min, described high flow speed polypropylene refers to the stream of material under the conditions of 2.16Kg at 230 DEG C
Pp material of the dynamic speed in more than 150g/10min.
Described elastomer is ethylene-propylene thing, ethylene-hexene co-polymers, ethylene-butene copolymer, ethylene-octene altogether
One or several mixture of copolymer, density is 0.80~1.0g/cm3.
Described inorganic filler is one or more in the inorganic powder materials such as barium sulfate, talcum powder, calcium carbonate.
Described auxiliary agent is antioxidant DSTP (the double octadecyls of thio-2 acid), antioxidant 1010 (four (β-3,5-two
The tert-butyl group-4-hydroxy phenyl) pentaerythritol resin), (three (2,4-di-tert-butyl-phenyl) phosphite esters, light are steady for irgasfos 168
Determine agent V703,5589,531, lubricant white oil, vinyl double stearoylketenes amine (EBS) one or several mixtures therein.
Described antiseptic is preferably the titanium dioxide Ag-carried antibacterial provided by Tianjin Ke Oumi chemical reagent Co., Ltd
Agent.
Described surface modifier is preferably polyolefin organosilan copolymer or by alkyl-modified polysiloxanes etc.
One or more mixtures.
The above-mentioned preparation method comprising low cost, the efficient, composite of broad-spectrum antibiotic polypropylene functional agglomerate, including
Following preparation process：
(1) preparation of antibacterial functions master batch：
I. the surface modification of titanium dioxide carrying silver antimicrobials
By weight by after 90~97 parts of dryings of antiseptic with 3~10 parts of silanes coating material, be added to together
In high speed mixing smelting machine, it is prepared from through high speed mixing.
Ii. the preparation of antibacterial functions master batch
By weight, 48~73 parts of the high flow speed polypropylene by flow rate more than 150g/10min, antiseptic
20~40 parts, 2~5 parts of auxiliary agent is added to after being well mixed in batch mixer together, is then added in double screw extruder, through double spiral shells
The melting of bar extruder, extrusion, cooling, pelletizing are prepared.
I~X areas processing temperature of described double screw extruder is followed successively by 155 DEG C, 190 DEG C, 205 DEG C, 205 DEG C, 210
DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 225 DEG C.Driving screw rotating speed is 400~450r/min, tank temperature 23 DEG C~50
℃。
(2) preparation of antibacterial polypropylene composite：
By weight, 48~93 parts of 5~10 parts of the antibacterial functions master batch that will be prepared in step (1) and conventional polypropylene,
0~40 part of inorganic filler, 0~20 part of elastomer, 2~5 parts of auxiliary agent is added to after being well mixed in high speed mixer together, then adds
Enter in double screw extruder, antibacterial polypropylene composite is prepared into through double screw extruder melting, extrusion, cooling, pelletizing.
I~X areas processing temperature of described double screw extruder is followed successively by 160 DEG C, 185 DEG C, 205 DEG C, 205 DEG C, 210
DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220 DEG C, 225 DEG C.Driving screw rotating speed is 550~600r/min, tank temperature 23 DEG C~50
℃。
The present invention compared with prior art, with following technical advantage：
(1) present invention is using with strong antibacterial, the good antibacterial agent of of long duration, has a broad antifungal spectrum, biological safety
(nano TiO 2 carrying silver antibacterial agent), and surface modifying and decorating is carried out to it using silanes coating material, improve anti-
The compatibility of microbial inoculum and acrylic resin, prepared anti-static material has the spies such as the excellent, good mechanical performance of antibacterial effect
Point.
(2) present invention is gathered using high-flowability polypropylene as the matrix material of polypropylene antibacterial functional agglomerate using height
Melt swell effect of the thing in extrusion process, has when polymer is extruded from double screw extruder or injection machine
The functional agglomerate of high fluidity is first to the flowing of melt outside so as to drive antibacterial functions auxiliary agent priority enrichment in material surface, energy
The addition of antiseptic is effectively reduced, material cost and reduction are reduced because a large amount of addition antistatic additive are to material so as to reach
The characteristics of influence that performance is brought, its material, is embodied in inexpensive, excellent anti-microbial property.
Specific embodiment
With reference to specific embodiment, present invention is expanded on further.It is emphasized that these embodiments are only used for
Further illustrated to of the invention, and it is not intended that limiting the scope of the invention.In addition, it is to be understood that reading this
After the described content of invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent form of values are same
Sample falls within the application appended claims limited range.
Flow rate polypropylene high in the following example is respectively the flowing high of HL50BFB from the trade mark of Borealis
Rate polypropylene, at 230 DEG C, the flowing velocity of material is 560g/10min under the conditions of 2.16Kg.Low flow rate polypropylene is
At 230 DEG C, conventional polypropylene of the flowing velocity of material within 60g/10min under the conditions of 2.16Kg, such as oil of SPC
M3000RH etc..
Embodiment 1
(1) preparation of antibacterial functions master batch functional agglomerate：
I. titanium dioxide carrying silver antimicrobials is surface modified
By weight, after the 90 parts of dryings of titanium dioxide carrying silver antimicrobials with 10 parts of silane surfaces dressing agent, add together
To in high speed mixing smelting machine, it is prepared from through high speed mixing.
Ii. low cost, the efficient, preparation of broad-spectrum antiseptic functional agglomerate
By weight, it is the high flow speed polypropylene of 560g/10min by flowing velocity：78 parts of HL50BFB, is modified
20 parts of titanium dioxide carrying silver antimicrobials, antioxidant DSTP：1010 0.5 parts；Other auxiliary agents：168 1.5 part one of auxiliary antioxygen auxiliary agents
Rise after being added to and being well mixed in batch mixer, be then added in double screw extruder, through double screw extruder melting, extrusion, cold
But, pelletizing is prepared.At 230 DEG C, the flowing velocity 556g/10min of master batch is measured under the conditions of 2.16Kg.
I~X areas processing temperature of described double screw extruder is followed successively by 100 DEG C, 195 DEG C, 200 DEG C, 205 DEG C, 210
DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 225 DEG C, 225 DEG C.Driving screw rotating speed is 550r/min, 37 DEG C of tank temperature.
(2) preparation of antibacterial polypropylene composite：
By weight, 5 parts of the antibacterial functions master batch that will be prepared in step (1) is 30g/10min's with flowing velocity
65 parts of M3000RH polypropylene, 20 parts of talcum powder, 8 parts of elastomer, 1,010 0.1 part of antioxidant, other auxiliary agents：Lubricant white oil, second
Double 1.9 parts of the stearoylketene amine of alkenyl are added in high speed mixer after being well mixed together, are then added in double screw extruder, pass through
Double screw extruder melting, extrusion, cooling, pelletizing be prepared into efficiently, broad-spectrum antibiotic polypropylene composite.
I~X areas processing temperature of described double screw extruder is followed successively by 175 DEG C, 185 DEG C, 200 DEG C, 205 DEG C, 205
DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220 DEG C.Driving screw rotating speed is 550r/min, 35 DEG C of tank temperature.
Comparative example 1
It is to be formed to compare with embodiment 1, it is more preferable to embody a kind of low cost of the present invention, efficient, broad-spectrum antibiotic polypropylene work(
The mechanical performance such as the anti-microbial property of the preparation method of energy master batch and its composite and corresponding stretching, impact strength, accordingly
Comparative example 1 directly adds parts by weight same as Example 1 using the conventional method for preparing antibacterial polypropylene composite at present
Prepare antibacterial polypropylene composite without surface modified nano TiO 2 carrying silver antibacterial agent, it is main include with
Lower specific implementation step：
By weight, by step (1) without surface modified nano TiO 2 carrying silver antibacterial agent：Nano-silica
Change 0.9 part of titanium carrying silver antimicrobials, be 69.4 parts of the M3000RH polypropylene of 30g/10min, 20 parts of talcum powder, bullet with flowing velocity
8 parts of gonosome, 0.1 part of DSTP antioxidant, other auxiliary agents：Lubricant white oil, double 1.9 parts of the stearoylketene amine of vinyl are added to height together
After being well mixed in fast batch mixer, it is then added in double screw extruder, through double screw extruder melting, extrusion, cooling, pelletizing
It is prepared into antibacterial modified PP composite material.
I~X areas processing temperature of described double screw extruder is followed successively by 155 DEG C, 180 DEG C, 200 DEG C, 205 DEG C, 215
DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C, 235 DEG C.Driving screw rotating speed is 550r/min, 37 DEG C of tank temperature.
Embodiment 2
(1) preparation of antibacterial functions master batch functional agglomerate：
I. titanium dioxide carrying silver antimicrobials is surface modified
By weight, after the 90 parts of dryings of titanium dioxide carrying silver antimicrobials with 10 parts of silane surfaces dressing agent, add together
To in high speed mixing smelting machine, it is prepared from through high speed mixing.
Ii. low cost, the efficient, preparation of broad-spectrum antiseptic functional agglomerate
By weight, it is the high flow speed polypropylene of 560g/10min by flowing velocity：78 parts of HL50BFB, is modified
20 parts of titanium dioxide carrying silver antimicrobials, antioxidant：1010 0.5 parts；Other auxiliary agents：168 1.5 parts of auxiliary antioxygen auxiliary agents add together
Enter in batch mixer after being well mixed, be then added in double screw extruder, melted through double screw extruder, extruded, cooled down, cut
Grain is prepared.At 230 DEG C, the flowing velocity 561g/10min of master batch is measured under the conditions of 2.16Kg.
I~X areas processing temperature of described double screw extruder is followed successively by 100 DEG C, 185 DEG C, 200 DEG C, 205 DEG C, 205
DEG C, 210 DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C.Driving screw rotating speed is 550r/min, 38 DEG C of tank temperature.
(2) low cost, efficient, broad-spectrum antibiotic polypropylene composite and its preparation：
By weight, 10 parts of the antibacterial functions master batch that will be prepared in step (1) is 30g/10min's with flowing velocity
60 parts of M3000R polypropylene, 20 parts of talcum powder, 8 parts of elastomer, 1,010 0.1 part of antioxidant, other auxiliary agents：Lubricant white oil, second
Double 1.9 parts of the stearoylketene amine of alkenyl are added in high speed mixer after being well mixed together, are then added in double screw extruder, pass through
Double screw extruder melting, extrusion, cooling, pelletizing be prepared into efficiently, broad-spectrum antibiotic polypropylene composite.
I~X areas processing temperature of described double screw extruder is followed successively by 175 DEG C, 185 DEG C, 200 DEG C, 200 DEG C, 205
DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220 DEG C.Driving screw rotating speed is 550r/min, 35 DEG C of tank temperature.
Comparative example 2
It is to be formed to compare with embodiment 2, it is more preferable to embody a kind of low cost of the present invention, efficient, broad-spectrum antibiotic polypropylene work(
The mechanical performance such as the anti-microbial property of the preparation method of energy master batch and its composite and corresponding stretching, impact strength, accordingly
Comparative example 2 using the method for preparing antimicrobial composite material conventional at present, directly add parts by weight same as Example 2 without
Surface modified nano TiO 2 carrying silver antibacterial agent prepares antibacterial polypropylene composite, main to include in detail below
Implementation steps：
By weight, by step (1) without surface modified nano TiO 2 carrying silver antibacterial agent：Nano-silica
Change 1.8 parts of titanium carrying silver antimicrobials, be 69.4 parts of the M3000RH polypropylene of 30g/min, 20 parts of talcum powder, elasticity with flowing velocity
8 parts of body, 0.1 part of DSTP antioxidant, other auxiliary agents：Lubricant white oil, double 1.9 parts of the stearoylketene amine of vinyl are added at a high speed together
After being well mixed in batch mixer, it is then added in double screw extruder, through double screw extruder melting, extrusion, cooling, pelletizing system
It is standby into antibacterial modified PP composite material.
I~X areas processing temperature of described double screw extruder is followed successively by 155 DEG C, 180 DEG C, 200 DEG C, 205 DEG C, 215
DEG C, 220 DEG C, 225 DEG C, 225 DEG C, 230 DEG C, 235 DEG C.Driving screw rotating speed is 550r/min, 37 DEG C of tank temperature.
Embodiment 3
(1) titanium dioxide carrying silver antimicrobials is surface modified：
I. titanium dioxide carrying silver antimicrobials is surface modified
By weight, after the 95 parts of dryings of titanium dioxide carrying silver antimicrobials with 5 parts of silane surfaces dressing agent, be added to together
In high speed mixing smelting machine, it is prepared from through high speed mixing.
Ii. low cost, the efficient, preparation of broad-spectrum antiseptic functional agglomerate
By weight, it is the high flow speed polypropylene of 560g/10min by flowing velocity：58 parts of HL50BFB, is modified
40 parts of titanium dioxide carrying silver antimicrobials, antioxidant：1010 0.5 parts；Other auxiliary agents：168 1.5 parts of auxiliary antioxygen auxiliary agents add together
Enter in batch mixer after being well mixed, be then added in double screw extruder, melted through double screw extruder, extruded, cooled down, cut
Grain is prepared.At 230 DEG C, the flowing velocity 540g/10min of master batch is measured under the conditions of 2.16Kg.
I~X areas processing temperature of described double screw extruder is followed successively by 105 DEG C, 195 DEG C, 200 DEG C, 205 DEG C, 205
DEG C, 210 DEG C, 210 DEG C, 215 DEG C, 220 DEG C, 220 DEG C.Driving screw rotating speed is 560r/min, 38 DEG C of tank temperature.
(2) low cost, efficient, broad-spectrum antibiotic polypropylene composite and its preparation：
By weight, 5 parts of the antibacterial functions master batch that will be prepared in step (1) is 30g/10min's with flowing velocity
65 parts of M3000R polypropylene, 20 parts of talcum powder, 8 parts of elastomer, 1,010 0.1 part of antioxidant, other auxiliary agents：Lubricant white oil, second
Double 2 parts of the stearoylketene amine of alkenyl are added in high speed mixer after being well mixed together, are then added in double screw extruder, through double
Screw extruder melting, extrusion, cooling, pelletizing be prepared into efficiently, broad-spectrum antibiotic polypropylene composite.
I~X areas processing temperature of described double screw extruder is followed successively by 160 DEG C, 195 DEG C, 200 DEG C, 200 DEG C, 205
DEG C, 210 DEG C, 210 DEG C, 215 DEG C, 220 DEG C, 220 DEG C.Driving screw rotating speed is 560r/min, 37 DEG C of tank temperature.
Comparative example 3
It is to be formed to compare with embodiment 3, it is more preferable to embody a kind of low cost of the present invention, efficient, broad-spectrum antibiotic polypropylene work(
The mechanical performance such as the anti-microbial property of the preparation method of energy master batch and its composite and corresponding stretching, impact strength, accordingly
Comparative example 3 using the method for preparing antimicrobial composite material conventional at present, directly add parts by weight same as Example 3 without
Surface modified nano TiO 2 carrying silver antibacterial agent prepares antibacterial polypropylene composite, main to include in detail below
Implementation steps：
By weight, by step (1) without surface modified nano TiO 2 carrying silver antibacterial agent：Nano-silica
Change 1.9 parts of titanium carrying silver antimicrobials, be 69.4 parts of the M3000RH polypropylene of 30g/10min, 20 parts of talcum powder, bullet with flowing velocity
8 parts of gonosome, 0.1 part of DSTP antioxidant, other auxiliary agents：Lubricant white oil, double 1.9 parts of the stearoylketene amine of vinyl are added to height together
After being well mixed in fast batch mixer, it is then added in double screw extruder, through double screw extruder melting, extrusion, cooling, pelletizing
It is prepared into antibacterial modified PP composite material.
I~X areas processing temperature of described double screw extruder is followed successively by 160 DEG C, 195 DEG C, 205 DEG C, 205 DEG C, 210
DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220 DEG C.Driving screw rotating speed is 560r/10min, 37 DEG C of tank temperature.
Embodiment 4
(1) titanium dioxide carrying silver antimicrobials is surface modified：
I. titanium dioxide carrying silver antimicrobials is surface modified
By weight, after the 95 parts of dryings of titanium dioxide carrying silver antimicrobials with 5 parts of silane surfaces dressing agent, be added to together
In high speed mixing smelting machine, it is prepared from through high speed mixing.
Ii. low cost, the efficient, preparation of broad-spectrum antiseptic functional agglomerate
By weight, it is the high flow speed polypropylene of 560g/10min by flowing velocity：58 parts of HL50BFB, is modified
40 parts of titanium dioxide carrying silver antimicrobials, antioxidant：1010 0.5 parts；Other auxiliary agents：168 1.5 parts of auxiliary antioxygen auxiliary agents add together
Enter in batch mixer after being well mixed, be then added in double screw extruder, melted through double screw extruder, extruded, cooled down, cut
Grain is prepared.At 230 DEG C, the flowing velocity 545g/10min of master batch is measured under the conditions of 2.16Kg.
I~X areas processing temperature of described double screw extruder is followed successively by 105 DEG C, 195 DEG C, 200 DEG C, 205 DEG C, 205
DEG C, 210 DEG C, 210 DEG C, 215 DEG C, 220 DEG C, 220 DEG C.Driving screw rotating speed is 560r/min, 38 DEG C of tank temperature.
(2) low cost, efficient, broad-spectrum antibiotic polypropylene composite and its preparation：
By weight, 10 parts of the antibacterial functions master batch that will be prepared in step (1) is 30g/10min's with flowing velocity
60 parts of M3000R polypropylene, 20 parts of talcum powder, 8 parts of elastomer, 1,010 0.1 part of antioxidant, other auxiliary agents：Lubricant white oil, second
Double 2 parts of the stearoylketene amine of alkenyl are added in high speed mixer after being well mixed together, are then added in double screw extruder, through double
Screw extruder melting, extrusion, cooling, pelletizing be prepared into efficiently, broad-spectrum antibiotic polypropylene composite.
I~X areas processing temperature of described double screw extruder is followed successively by 160 DEG C, 195 DEG C, 200 DEG C, 200 DEG C, 205
DEG C, 210 DEG C, 210 DEG C, 215 DEG C, 220 DEG C, 220 DEG C.Driving screw rotating speed is 560r/min, 37 DEG C of tank temperature.
Comparative example 4
It is to be formed to compare with embodiment 4, it is more preferable to embody a kind of low cost of the present invention, efficient, broad-spectrum antibiotic polypropylene work(
The mechanical performance such as the anti-microbial property of the preparation method of energy master batch and its composite and corresponding stretching, impact strength, accordingly
Comparative example 4 using the method for preparing antimicrobial composite material conventional at present, directly add parts by weight same as Example 4 without
Surface modified nano TiO 2 carrying silver antibacterial agent prepares antibacterial polypropylene composite, main to include in detail below
Implementation steps：
By weight, by step (1) without surface modified nano TiO 2 carrying silver antibacterial agent：Nano-silica
Change 3.8 parts of titanium carrying silver antimicrobials, be 68.2 parts of the M3000RH polypropylene of 30g/10min, 20 parts of talcum powder, bullet with flowing velocity
8 parts of gonosome, 0.1 part of DSTP antioxidant, other auxiliary agents：Lubricant white oil, double 1.9 parts of the stearoylketene amine of vinyl are added to height together
After being well mixed in fast batch mixer, it is then added in double screw extruder, through double screw extruder melting, extrusion, cooling, pelletizing
It is prepared into antibacterial modified PP composite material.
I~X areas processing temperature of described double screw extruder is followed successively by 160 DEG C, 195 DEG C, 205 DEG C, 205 DEG C, 210
DEG C, 210 DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 220 DEG C.Driving screw rotating speed is 560r/min, 37 DEG C of tank temperature.
Inexpensive, efficient, broad-spectrum antibiotic polypropylene prepared by above-described embodiment 1~4 and its corresponding comparative example is multiple
Condensation material is molded into corresponding test bars according to unified technique, and performance is carried out according to the testing standard and condition in table 1 below
Test, test data is as shown in table 2.
The antibacterial polypropylene composite property testing standard of table 1 and condition
The embodiment 1~4 of table 2 and its comparative example low cost, efficient, broad-spectrum antibiotic polypropylene composite property test data
Embodiment 1~4 is according to a kind of low cost of patent of the present invention, efficient, broad-spectrum antibiotic polypropylene composite in table 2
In the test result of antibacterial modified PP composite material for preparing of part representative embodiment, be preferably to embody this hair
Anti-microbial property and related tension, the impact of a kind of bright low cost, efficient, broad-spectrum antibiotic polypropylene functional agglomerate and its composite
Etc. mechanical performance, comparative example is intended for the control of corresponding embodiment.As can be drawn from Table 2 drawing a conclusion：
(1) because a kind of low cost of the invention, efficient, broad-spectrum antibiotic polypropylene functional agglomerate and its composite are to pass through
Effect is swollen to greatest extent by antibacterial agent (nanometer titanium dioxide that surface treated is modified using the extrudate of high polymer
Titanium carrying silver antimicrobials) it is enriched in the surface of composite.Effectively reduce the antibacterial work(higher of cost of material in the prior art
The consumption of energy auxiliary agent, is reduced while composite cost is reduced because a large amount of addition antibacterial functions auxiliary agents give material other performances
The defect brought.
(2) because the present invention carries out surface using organosilicon alkanes coating material to nano TiO 2 carrying silver antibacterial agent
Modification, improves the compatibility of antiseptic and acrylic resin, for improving because addition surface energy is high, poor compatibility antibacterial
The loss of mechanical properties such as stretching, impact that function additive brings to composite have remarkable effect.
Claims (8)
1. it is a kind of comprising low cost, efficiently, the composite of broad-spectrum antibiotic polypropylene functional agglomerate, it is characterised in that：By following
Raw material in parts by weight is prepared from：
Conventional polypropylene：48~93 parts；
Inorganic particulate filler：0~40 part；
Elastomer：0~20 part；
Antibacterial functions master batch：5~10 parts；
Auxiliary agent：2~5 parts；
Described antibacterial functions master batch is prepared from by following raw materials by weight：
High flow speed polypropylene：48~73 parts；
Titanium dioxide carrying silver antimicrobials：20~40 parts；
Surface modifier：8~12 parts；
Auxiliary agent：2~5 parts.
2. it is according to claim 1 it is a kind of comprising low cost, efficiently, the composite wood of broad-spectrum antibiotic polypropylene functional agglomerate
Material, it is characterised in that：Described conventional polypropylene material refers to that the flowing velocity of material is 0.5 under the conditions of 2.16Kg at 230 DEG C
The polypropylene of~60g/10min.
3. it is according to claim 1 it is a kind of comprising low cost, efficiently, the composite wood of broad-spectrum antibiotic polypropylene functional agglomerate
Material, it is characterised in that：Described high flow speed polypropylene refers to that the flowing velocity of material exists under the conditions of 2.16Kg at 230 DEG C
The pp material of more than 150g/10min.
4. it is according to claim 1 it is a kind of comprising low cost, efficiently, the composite wood of broad-spectrum antibiotic polypropylene functional agglomerate
Material, it is characterised in that：Described elastomer is ethylene-propylene thing, ethylene-hexene co-polymers, ethylene-butene copolymer, second altogether
One or several mixture of alkene-octene copolymer, density is 0.80~1.0g/cm3.
5. it is according to claim 1 it is a kind of comprising low cost, efficiently, the composite wood of broad-spectrum antibiotic polypropylene functional agglomerate
Material, it is characterised in that：Described inorganic filler is at least one in barium sulfate, talcum powder, calcium carbonate.
6. it is according to claim 1 it is a kind of comprising low cost, efficiently, the composite wood of broad-spectrum antibiotic polypropylene functional agglomerate
Material, it is characterised in that：Described auxiliary agent be antioxidant DSTP, antioxidant 1010, irgasfos 168, light stabilizer V703,5589,
531st, one or several mixtures in the double stearoylketene amine of lubricant white oil, vinyl.
7. it is according to claim 1 it is a kind of comprising low cost, efficiently, the composite wood of broad-spectrum antibiotic polypropylene functional agglomerate
Material, it is characterised in that：Described surface modifier is for polyolefin organosilan copolymer or by alkyl-modified polysiloxanes
In one or more mixtures.
8. the preparation method of one of any composites of claim 1-7, it is characterised in that：Including following preparation process：
(1) preparation of antibacterial functions master batch：
I. the surface modification of titanium dioxide carrying silver antimicrobials
By weight by after 90~97 parts of dryings of antiseptic with 3~10 parts of silanes coating material, be added to together at a high speed
In kneading machine, it is prepared from through high speed mixing；
Ii. the preparation of antibacterial functions master batch
By weight, 48~73 parts of the high flow speed polypropylene by flow rate more than 150g/10min, antiseptic 20~
40 parts, 2~5 parts of auxiliary agent is added to after being well mixed in batch mixer together, is then added in double screw extruder, is squeezed through twin-screw
Go out machine melting, extrusion, cooling, pelletizing is prepared；
I~X areas processing temperature of described double screw extruder is followed successively by 155 DEG C, 190 DEG C, 205 DEG C, 205 DEG C, 210 DEG C, 210
DEG C, 215 DEG C, 215 DEG C, 220 DEG C, 225 DEG C.Driving screw rotating speed is 400~450r/min, 23 DEG C~50 DEG C of tank temperature；
(2) preparation of antibacterial polypropylene composite：
By weight, 48~93 parts of 5~10 parts of the antibacterial functions master batch that will be prepared in step (1) and conventional polypropylene, it is inorganic
0~40 part of filler, 0~20 part of elastomer, 2~5 parts of auxiliary agent is added to after being well mixed in high speed mixer together, is then added to
In double screw extruder, antibacterial polypropylene composite is prepared into through double screw extruder melting, extrusion, cooling, pelletizing；
I~X areas processing temperature of described double screw extruder is followed successively by 160 DEG C, 185 DEG C, 205 DEG C, 205 DEG C, 210 DEG C, 215
DEG C, 215 DEG C, 220 DEG C, 220 DEG C, 225 DEG C.Driving screw rotating speed is 550~600r/min, 23 DEG C~50 DEG C of tank temperature.
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| CN108299729A (en) * | 2017-12-27 | 2018-07-20 | 浙江普利特新材料有限公司 | A kind of inexpensive, high-efficiency fluorescence polypropylene functional agglomerate and its composite material preparation method |
| CN109401053A (en) * | 2018-10-23 | 2019-03-01 | 安徽洋龙塑业有限公司 | A kind of food dustproof cover antibiotic plastic and preparation method thereof |
| CN109721844A (en) * | 2018-12-29 | 2019-05-07 | 上海普利特复合材料股份有限公司 | A kind of high antibacterial low distributes automobile-used modified polypropylene composite material and preparation method thereof |
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| CN112759848A (en) * | 2021-01-21 | 2021-05-07 | 广东圆融新材料有限公司 | Antibacterial antistatic polypropylene composite material and preparation method thereof |
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| CN113736175A (en) * | 2021-08-31 | 2021-12-03 | 浙江理工大学绍兴柯桥研究院有限公司 | Long-acting antibacterial mineral-filled polypropylene composite material and preparation method thereof |
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