CN109438854A - A kind of polypropylene anti-bacterial plastic and preparation method thereof - Google Patents
A kind of polypropylene anti-bacterial plastic 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
- C08L23/14—Copolymers of propene
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- 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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- 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
- C08K2003/2286—Oxides; Hydroxides of metals of silver
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- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The present invention provides a kind of polypropylene anti-bacterial plastic and preparation method thereof, it is characterised in that it includes following components by weight: 100 parts of acrylic matrix resin, 0.5-1 parts of antibacterial agent, 0.1-0.5 parts of dispersing agent, 0.5-2 parts of compatilizer, 0.1-0.5 parts of coupling agent, 0.1-0.5 parts of antistatic agent, 0.5-5 parts of filler, 0.1-0.5 parts of antioxidant, 0.1-0.5 parts of Water-and-oil repellant, 0.1-3 parts of auxiliary agent.The polypropylene anti-bacterial plastic that the present invention obtains has good antibacterial effect, preparation method simple process, easily operated, is suitable for industrial applications.
Description
Technical field
The present invention relates to a kind of thermoplastics and preparation method thereof.Specifically, be related to a kind of polypropylene anti-bacterial plastic and
Preparation method.
Background technique
Antibiotic plastic be it is a kind of in use environment itself to stain on plastics bacterium, mould, alcohol mother bacterium, algae very
The plastics that inhibition or killing effect have been waited to virus keep itself clean by inhibiting the breeding of microorganism.In recent years, with
The raising of living standards of the people and the enhancing of health consciousness, the demand to various anti-biotic material products are continuously increased, wherein antibacterial
Plastic products account for very big specific gravity, including various life products, such as have refrigerator, air-conditioning, various food containers, packaging bag, wash
Clothing machine, toy product, dust catcher etc. all employ a variety of different thermoplasticity antibiotic plastics.Currently, these antibiotic plastics master
It to be obtained by the method for adding a small amount of antibacterial agent in common plastics.
Polypropylene has many advantages, such as that light specific gravity, cheap, good mechanical property and heat resistance are good, is usually used in medical treatment, electricity
Container, pipeline or other accessories are used as in sub- appliance field.But due to the characteristics of polypropylene density is small and this body structure of molecule,
Polypropylene material bacterium easy to breed greatly limits polypropylene material in special dimension to generate harm to human health
In application.
To sum up, polypropylene anti-bacterial plastic has broad application prospects, thus urgently develop a kind of power good anti-bacterial effect,
Have excellent performance, low smell, antistatic, preparation process is simple, lower-cost polypropylene anti-bacterial plastic.
Summary of the invention
It is an object of the invention to overcome the defect of existing polypropylene plastics, provide a kind of polypropylene anti-bacterial plastic and its
Preparation method, polypropylene anti-bacterial plastic has good antibacterial effect, while preparation method is simple, easily operated.
Suitable antibacterial agent is selected, particularly important to preparation polypropylene anti-bacterial plastic, inorganic metal antibacterial antiplaque agent is good
Good, especially nano silver series and nano zine oxide are serial, and anti-microbial property under acidic conditions is stronger, but is added to plastics
It is easy to reunite when in product, to reduce the mechanical property of plastic products；And good dispersion in organic antibacterial agent plastics, so that
Antibiotic plastic anti-microbial property is strong, and antibacterial validity period is long.
Dispersing agent, compatilizer, coupling agent, antistatic agent, filler, antioxidant, Water-and-oil repellant, auxiliary agent are for increasing poly- third
The performance of alkene antibiotic plastic, selection can be known in the art.
In order to achieve the goal above, the present invention is by including what following technical scheme was realized: a kind of polypropylene anti-bacterial plastic,
Including following components by weight:
Preferably, a kind of polypropylene anti-bacterial plastic, including following components by weight:
The polypropylene is copolymer polypropylene.
The antibacterial agent is nano zine oxide, nano phase ag_2 o, polyhexamethylene guanide phosphate and N- (trichloro-methylthio)
Any one of phthalimide is two or more.
Preferably, the antibacterial agent is in polyhexamethylene guanide phosphate and N- (trichloro-methylthio) phthalimide
One or two.
The dispersing agent is any one of stearic acid, polyethylene wax, atoleine or two or more.
Preferably, the dispersing agent is the one or two of stearic acid, polyethylene wax.
The compatilizer is maleic anhydride stem grafting polyolefin.
The coupling agent is the amino-type silane coupling agent containing two or three above amino.
It include metal salt and polyoxyethylene in the ingredient of the antistatic agent.
The filler is any one of talcum powder, calcium carbonate or barium sulfate or two or more.
The auxiliary agent include any one of heat stabilizer, light stabilizer, processing aid, toner or pigment or two kinds with
On；
The antioxidant includes any one or more of phenolic antioxidant and phosphite ester antioxidant；
The Water-and-oil repellant is the fluorinated acrylate polymer as made from random copolymerization method.
A method of the polypropylene anti-bacterial plastic being prepared, process flow steps are as follows:
S1 is by acrylic matrix resin forced air drying 2~3 hours at 90 DEG C~130 DEG C；
S2 is by weight by 100 parts of acrylic matrix resin after drying, and 0.5-1 parts of antibacterial agent, dispersing agent 0.1-0.5
Part, 0.5-2 parts of compatilizer, 0.1-0.5 parts of coupling agent, 0.1-0.5 parts of antistatic agent, 0.5-5 parts of filler, antioxidant 0.1-0.5
Part, 0.1-0.5 parts of Water-and-oil repellant, 0.1-3 parts of auxiliary agent are added sequentially to continue in 300-500 revs/min of high-speed mixer
It is stirred, mixing is stirred in 100-200 revs/min of low speed mixer, to obtain uniformly mixed pre-composition；
S3 adds twin-screw extrude gained pre-composition, and through melting, extrusion, shearing, water cooling is granulated, is dried to obtain
Polypropylene anti-bacterial plastic.
Preferably, a method of preparing the polypropylene anti-bacterial plastic, process flow steps are as follows:
Forced air drying 3 hours at 100 DEG C by acrylic matrix resin S1；
S2 is by weight by 100 parts of acrylic matrix resin after drying, and 0.8-1 parts of antibacterial agent, dispersing agent 0.3-0.5
Part, 1-1.5 parts of compatilizer, 0.3-0.5 parts of coupling agent, 0.1-0.3 parts of antistatic agent, 2-3 parts of filler, 0.3-0.5 parts of antioxidant,
0.3-0.5 parts of Water-and-oil repellant, 1-3 parts of auxiliary agent.It is added sequentially to continue to be stirred in 500 revs/min of high-speed mixer,
Mixing is stirred in 200 revs/min of low speed mixer, to obtain uniformly mixed pre-composition；
S3 adds twin-screw extrude gained pre-composition, and through melting, extrusion, shearing, water cooling is granulated, is dried to obtain
Polypropylene anti-bacterial plastic.
In conclusion the present invention provides a kind of polypropylene anti-bacterial plastic and preparation method thereof, Advantageous effect of the invention
Fruit is as follows: the polypropylene anti-bacterial plastic that the present invention obtains has good antibacterial effect, and preparation method simple process is easy to grasp
Make, is suitable for industrial applications.
Specific embodiment
The present invention is further explained combined with specific embodiments below, it should be appreciated that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
Below with reference to embodiment, the present invention is further explained.It should be understood that embodiment is merely to illustrate the present invention, rather than limit
The scope of the present invention.
It is the proportion of each raw material component in Examples 1 to 8 in table 1, the content of each raw material component is parts by weight in table.
The weight of each raw material component in 1 Examples 1 to 8 of table
Embodiment 1
A method of the polypropylene anti-bacterial plastic being prepared, process flow steps are as follows:
S1 is by acrylic matrix resin forced air drying 2~3 hours at 90 DEG C~130 DEG C；
S2 is 0.5 part of antibacterial agent, 0.5 part of dispersing agent, compatible by weight by 100 parts of acrylic matrix resin after drying
0.5 part of agent, 0.1 part of coupling agent, 0.3 part of antistatic agent, 0.5 part of filler, 0.5 part of antioxidant, 0.5 part of Water-and-oil repellant, auxiliary agent
0.1 part is added sequentially to continue to be stirred in 300-500 revs/min of high-speed mixer, low at 100-200 revs/min
Mixing is stirred in fast mixing machine, to obtain uniformly mixed pre-composition；
S3 adds twin-screw extrude gained pre-composition, and through melting, extrusion, shearing, water cooling is granulated, is dried to obtain
Polypropylene anti-bacterial plastic.
Wherein, polypropylene is copolymer polypropylene.
Antibacterial agent is N- (trichloro-methylthio) phthalimide.
Dispersing agent is polyethylene wax.
Compatilizer is maleic anhydride stem grafting polyolefin.
Coupling agent is the amino-type silane coupling agent containing two or three above amino.
It include metal salt and polyoxyethylene in the ingredient of antistatic agent.
Filler is talcum powder.
Auxiliary agent includes organic tin stabilizer, MBS processing aid, titanium dioxide.
Antioxidant is phenolic antioxidant.
Water-and-oil repellant is the fluorinated acrylate polymer as made from random copolymerization method.
Embodiment 2
A method of the polypropylene anti-bacterial plastic being prepared, process flow steps are as follows:
S1 is by acrylic matrix resin forced air drying 2~3 hours at 90 DEG C~130 DEG C；
S2 is 0.5 part of antibacterial agent, 0.3 part of dispersing agent, compatible by weight by 100 parts of acrylic matrix resin after drying
1 part of agent, 0.1 part of coupling agent, 0.2 part of antistatic agent, 1 part of filler, 0.3 part of antioxidant, 0.2 part of Water-and-oil repellant, 3 parts of auxiliary agent according to
Secondary be added in 300-500 revs/min of high-speed mixer continues to be stirred, in 100-200 revs/min of low speed mixer
In be stirred mixing, to obtain uniformly mixed pre-composition；
S3 adds twin-screw extrude gained pre-composition, and through melting, extrusion, shearing, water cooling is granulated, is dried to obtain
Polypropylene anti-bacterial plastic.
Wherein, polypropylene is copolymer polypropylene.
Antibacterial agent is polyhexamethylene guanide phosphate.
Dispersing agent is stearic acid.
Compatilizer is maleic anhydride stem grafting polyolefin.
Coupling agent is the amino-type silane coupling agent containing two or three above amino.
It include metal salt and polyoxyethylene in the ingredient of antistatic agent.
Filler is talcum powder.
Auxiliary agent includes organic tin stabilizer, MBS processing aid, titanium dioxide.
Antioxidant is phosphite ester antioxidant.
Water-and-oil repellant is the fluorinated acrylate polymer as made from random copolymerization method.
Embodiment 3
A method of the polypropylene anti-bacterial plastic being prepared, process flow steps are as follows:
S1 is by acrylic matrix resin forced air drying 2~3 hours at 90 DEG C~130 DEG C；
S2 is 0.6 part of antibacterial agent, 0.1 part of dispersing agent, compatible by weight by 100 parts of acrylic matrix resin after drying
1.5 parts of agent, 0.3 part of coupling agent, 0.5 part of antistatic agent, 2 parts of filler, 0.1 part of antioxidant, 0.3 part of Water-and-oil repellant, 2 parts of auxiliary agent
It is added sequentially to continue to be stirred in 300-500 revs/min of high-speed mixer, in 100-200 revs/min of mixed on low speed
Mixing is stirred in machine, to obtain uniformly mixed pre-composition；
S3 adds twin-screw extrude gained pre-composition, and through melting, extrusion, shearing, water cooling is granulated, is dried to obtain
Polypropylene anti-bacterial plastic.
Wherein, polypropylene is copolymer polypropylene.
Antibacterial agent is nano phase ag_2 o.
Dispersing agent is atoleine.
Compatilizer is maleic anhydride stem grafting polyolefin.
Coupling agent is the amino-type silane coupling agent containing two or three above amino.
It include metal salt and polyoxyethylene in the ingredient of antistatic agent.
Filler is talcum powder.
Auxiliary agent includes organic tin stabilizer, MBS processing aid, titanium dioxide.
Antioxidant is phenolic antioxidant.
Water-and-oil repellant is the fluorinated acrylate polymer as made from random copolymerization method.
Embodiment 4
A method of the polypropylene anti-bacterial plastic being prepared, process flow steps are as follows:
S1 is by acrylic matrix resin forced air drying 2~3 hours at 90 DEG C~130 DEG C；
S2 is 0.7 part of antibacterial agent, 0.5 part of dispersing agent, compatible by weight by 100 parts of acrylic matrix resin after drying
2 parts of agent, 0.4 part of coupling agent, 0.1 part of antistatic agent, 3 parts of filler, 0.5 part of antioxidant, 0.5 part of Water-and-oil repellant, 1 part of auxiliary agent according to
Secondary be added in 300-500 revs/min of high-speed mixer continues to be stirred, in 100-200 revs/min of low speed mixer
In be stirred mixing, to obtain uniformly mixed pre-composition；
S3 adds twin-screw extrude gained pre-composition, and through melting, extrusion, shearing, water cooling is granulated, is dried to obtain
Polypropylene anti-bacterial plastic.
Wherein, polypropylene is copolymer polypropylene.
Antibacterial agent is nano zine oxide.
Dispersing agent is polyethylene wax.
Compatilizer is maleic anhydride stem grafting polyolefin.
Coupling agent is the amino-type silane coupling agent containing two or three above amino.
It include metal salt and polyoxyethylene in the ingredient of antistatic agent.
Filler is calcium carbonate.
Auxiliary agent includes organic tin stabilizer, MBS processing aid, titanium dioxide.
Antioxidant is phosphite ester antioxidant.
Water-and-oil repellant is the fluorinated acrylate polymer as made from random copolymerization method.
Embodiment 5
A method of the polypropylene anti-bacterial plastic being prepared, process flow steps are as follows:
S1 is by acrylic matrix resin forced air drying 2~3 hours at 90 DEG C~130 DEG C；
S2 is 0.8 part of antibacterial agent, 0.3 part of dispersing agent, compatible by weight by 100 parts of acrylic matrix resin after drying
0.5 part of agent, 0.5 part of coupling agent, 0.4 part of antistatic agent, 4 parts of filler, 0.3 part of antioxidant, 0.2 part of Water-and-oil repellant, auxiliary agent 0.5
Part is added sequentially to continue to be stirred in 300-500 revs/min of high-speed mixer, mixed in 100-200 revs/min of low speed
Mixing is stirred in conjunction machine, to obtain uniformly mixed pre-composition；
S3 adds twin-screw extrude gained pre-composition, and through melting, extrusion, shearing, water cooling is granulated, is dried to obtain
Polypropylene anti-bacterial plastic.
Wherein, polypropylene is copolymer polypropylene.
Antibacterial agent is N- (trichloro-methylthio) phthalimide.
Dispersing agent is stearic acid.
Compatilizer is maleic anhydride stem grafting polyolefin.
Coupling agent is the amino-type silane coupling agent containing two or three above amino.
It include metal salt and polyoxyethylene in the ingredient of antistatic agent.
Filler is calcium carbonate.
Auxiliary agent includes organic tin stabilizer, MBS processing aid, titanium dioxide.
Antioxidant is phenolic antioxidant.
Water-and-oil repellant is the fluorinated acrylate polymer as made from random copolymerization method.
Embodiment 6
A method of the polypropylene anti-bacterial plastic being prepared, process flow steps are as follows:
S1 is by acrylic matrix resin forced air drying 2~3 hours at 90 DEG C~130 DEG C；
S2 is 0.9 part of antibacterial agent, 0.1 part of dispersing agent, compatible by weight by 100 parts of acrylic matrix resin after drying
1 part of agent, 0.3 part of coupling agent, 0.5 part of antistatic agent, 5 parts of filler, 0.1 part of antioxidant, 0.1 part of Water-and-oil repellant, 2 parts of auxiliary agent according to
Secondary be added in 300-500 revs/min of high-speed mixer continues to be stirred, in 100-200 revs/min of low speed mixer
In be stirred mixing, to obtain uniformly mixed pre-composition；
S3 adds twin-screw extrude gained pre-composition, and through melting, extrusion, shearing, water cooling is granulated, is dried to obtain
Polypropylene anti-bacterial plastic.
Wherein, polypropylene is copolymer polypropylene.
Antibacterial agent is polyhexamethylene guanide phosphate.
Dispersant liq paraffin.
Compatilizer is maleic anhydride stem grafting polyolefin.
Coupling agent is the amino-type silane coupling agent containing two or three above amino.
It include metal salt and polyoxyethylene in the ingredient of antistatic agent.
Filler is barium sulfate.
Auxiliary agent includes organic tin stabilizer, MBS processing aid, titanium dioxide.
Antioxidant is phenolic antioxidant.
Water-and-oil repellant is the fluorinated acrylate polymer as made from random copolymerization method.
Embodiment 7
A method of the polypropylene anti-bacterial plastic being prepared, process flow steps are as follows:
S1 is by acrylic matrix resin forced air drying 2~3 hours at 90 DEG C~130 DEG C；
S2 is by weight by 100 parts of acrylic matrix resin after drying, and 1 part of antibacterial agent, 0.5 part of dispersing agent, compatilizer
1.5 parts, 0.5 part of coupling agent, 0.2 part of antistatic agent, 3 parts of filler, 0.5 part of antioxidant, 0.5 part of Water-and-oil repellant, 3 parts of auxiliary agent according to
Secondary be added in 300-500 revs/min of high-speed mixer continues to be stirred, in 100-200 revs/min of low speed mixer
In be stirred mixing, to obtain uniformly mixed pre-composition；
S3 adds twin-screw extrude gained pre-composition, and through melting, extrusion, shearing, water cooling is granulated, is dried to obtain
Polypropylene anti-bacterial plastic.
Wherein, polypropylene is copolymer polypropylene.
Antibacterial agent is nano phase ag_2 o.
Dispersing agent is polyethylene wax.
Compatilizer is maleic anhydride stem grafting polyolefin.
Coupling agent is the amino-type silane coupling agent containing two or three above amino.
It include metal salt and polyoxyethylene in the ingredient of antistatic agent.
Filler is barium sulfate.
Auxiliary agent includes organic tin stabilizer, MBS processing aid, titanium dioxide.
Antioxidant is phosphite ester antioxidant.
Water-and-oil repellant is the fluorinated acrylate polymer as made from random copolymerization method.
Embodiment 8
A method of the polypropylene anti-bacterial plastic being prepared, process flow steps are as follows:
S1 is by acrylic matrix resin forced air drying 2~3 hours at 90 DEG C~130 DEG C；
S2 is by weight by 100 parts of acrylic matrix resin after drying, and 1 part of antibacterial agent, 0.3 part of dispersing agent, compatilizer 2
Part, 0.1 part of coupling agent, 0.1 part of antistatic agent, 5 parts of filler, 0.3 part of antioxidant, 0.3 part of Water-and-oil repellant, 1 part of auxiliary agent is successively
It is added in 300-500 revs/min of high-speed mixer and continues to be stirred, in 100-200 revs/min of low speed mixer
It is stirred mixing, to obtain uniformly mixed pre-composition；
S3 adds twin-screw extrude gained pre-composition, and through melting, extrusion, shearing, water cooling is granulated, is dried to obtain
Polypropylene anti-bacterial plastic.
Wherein, polypropylene is copolymer polypropylene.
Antibacterial agent is nano zine oxide.
Dispersing agent is stearic acid.
Compatilizer is maleic anhydride stem grafting polyolefin.
Coupling agent is the amino-type silane coupling agent containing two or three above amino.
It include metal salt and polyoxyethylene in the ingredient of antistatic agent.
Filler is talcum powder.
Auxiliary agent includes organic tin stabilizer, MBS processing aid, titanium dioxide.
Antioxidant is phenolic antioxidant.
Water-and-oil repellant is the fluorinated acrylate polymer as made from random copolymerization method.
The method that polypropylene anti-bacterial plastic is prepared in embodiment 1-8, equipment requirement is low, simple process, reaction condition are mild,
Be easy to control, product stability it is good, be suitble to industry's enlarging production.
Testing result:
According to antibacterial test standard: QB/T 2591-2003A " antibiotic plastic test method of antibacterial performance and antibacterial effect ",
Antibacterial experiment test is carried out to the polypropylene anti-bacterial plastic in Examples 1 to 8.Detection is Escherichia coli (Escherichia with bacterium
Coli) ATCC 25922 and Staphylococcus aureus (Staphylococcusaureus) ATCC 6538.Test result such as 2 institute of table
Show:
Polypropylene anti-bacterial plastic anti-microbial property testing result in 2 embodiment 1 to 8 of table
| Escherichia coli sterilizing rate (%) | Staphylococcus aureus sterilizing rate (%) | |
| Embodiment 1 | 91 | 86 |
| Embodiment 2 | 93 | 86 |
| Embodiment 3 | 92 | 87 |
| Embodiment 4 | 93 | 89 |
| Embodiment 5 | 94 | 88 |
| Embodiment 6 | 94 | 90 |
| Embodiment 7 | 96 | 89 |
| Embodiment 8 | 97 | 91 |
Above embodiment is can not to be interpreted as in order to illustrate embodiment disclosed by the invention to limit of the invention
System.In addition, in various modifications and invention listed herein method, composition variation, do not departing from the scope of the present invention
Be obvious for those skilled in the art under the premise of spirit.Although having combined of the invention a variety of specific
Preferred embodiment has carried out specific description to the present invention, it is to be understood that, the present invention should not be limited only to these specific embodiments.
In fact, various obviously modify as described above for those skilled in the art to obtain invention all should include
Within the scope of the invention.
Claims (10)
1. a kind of polypropylene anti-bacterial plastic, which is characterized in that including following components by weight:
The method for preparing the polypropylene anti-bacterial plastic, process flow steps are as follows:
S1 is by acrylic matrix resin forced air drying 2~3 hours at 90 DEG C~130 DEG C；
S2 is by weight by 100 parts of acrylic matrix resin after drying, and 0.5-1 parts of antibacterial agent, 0.1-0.5 parts of dispersing agent, phase
Hold agent 0.5-2 parts, 0.1-0.5 parts of coupling agent, 0.1-0.5 parts of antistatic agent, 0.5-5 parts of filler, 0.1-0.5 parts of antioxidant, dredges
0.1-0.5 parts of water oleophobic agent, 0.1-3 parts of auxiliary agent are added sequentially to continue to stir in 300-500 revs/min of high-speed mixer to mix
It closes, mixing is stirred in 100-200 revs/min of low speed mixer, to obtain uniformly mixed pre-composition；
S3 adds twin-screw extrude gained pre-composition, and through melting, extrusion, shearing, water cooling is granulated, is dried to obtain poly- third
Alkene antibiotic plastic.
2. polypropylene anti-bacterial plastic according to claim 1, it is characterised in that: the polypropylene is copolymer polypropylene.
3. polypropylene anti-bacterial plastic according to claim 1, it is characterised in that: the antibacterial agent is nano zine oxide, receives
Any one of rice silver oxide, polyhexamethylene guanide phosphate and N- (trichloro-methylthio) phthalimide or two kinds with
On.
4. polypropylene anti-bacterial plastic according to claim 1, it is characterised in that: the dispersing agent is stearic acid, polyethylene
Any one of wax, atoleine are two or more.
5. polypropylene anti-bacterial plastic according to claim 1, it is characterised in that: the compatilizer is that maleic anhydride grafting is poly-
Alkene.
6. polypropylene anti-bacterial plastic according to claim 1, it is characterised in that: the coupling agent is to contain two or three
The amino-type silane coupling agent of the above amino.
7. polypropylene anti-bacterial plastic according to claim 1, it is characterised in that: include in the ingredient of the antistatic agent
Metal salt and polyoxyethylene.
8. polypropylene anti-bacterial plastic according to claim 1, it is characterised in that: the filler be talcum powder, calcium carbonate or
Any one of barium sulfate is two or more.
9. polypropylene anti-bacterial plastic according to claim 1, it is characterised in that: the auxiliary agent includes that heat stabilizer, light are steady
Determine any one of agent, processing aid, toner or pigment or two or more；The antioxidant includes phenolic antioxidant, Yi Jiya
Phosphoric acid ester antioxidant it is any one or more.
10. polypropylene anti-bacterial plastic according to claim 1, it is characterised in that: the Water-and-oil repellant is to pass through nothing
Advise fluorinated acrylate polymer made from copolymerization method.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114213746A (en) * | 2021-12-20 | 2022-03-22 | 江苏尚艾新材料科技有限公司 | Oil-stain-resistant polypropylene material and preparation method thereof |
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