CN110272636A - A kind of antibacterial plastic and the technique using this plastics-production plastic products - Google Patents
A kind of antibacterial plastic and the technique using this plastics-production plastic products Download PDFInfo
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- CN110272636A CN110272636A CN201910681751.7A CN201910681751A CN110272636A CN 110272636 A CN110272636 A CN 110272636A CN 201910681751 A CN201910681751 A CN 201910681751A CN 110272636 A CN110272636 A CN 110272636A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B35/00—Boron; Compounds thereof
- C01B35/08—Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium
- C01B35/10—Compounds containing boron and oxygen
- C01B35/12—Borates
- C01B35/121—Borates of alkali metal
- C01B35/122—Sodium tetraborates; Hydrates thereof, e.g. borax
- C01B35/123—Preparation from boron ores or other borates
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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
- C08K3/38—Boron-containing compounds
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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
- C08L101/00—Compositions of unspecified macromolecular compounds
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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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
Abstract
The present invention proposes a kind of antibacterial plastic, break through the process form of traditional antibiotic plastic, borax is uniformly added into base resin, manufactured antibiotic plastic can effectively play the antibacterial effect of borax, all have significant antibacterial effect to Escherichia coli, Pseudomonas aeruginosa, bacillus anthracis, shigella flexneri, shigella, typhoid bacillus, paratyphosum Bacterium, proteus and staphylococcus, Candida albicans, corynebacterium diphtheriae, ox type Brucella, Diplococcus pneumopniae, meningococcus and hemolytic streptococcus etc..Compared with prior art, antibacterial plastic of the invention has apparent antibacterial effect to most of strains, more fully and effectively ensures the hygienic conditions and health of people.The present invention also proposes a kind of technique using aforementioned antimicrobial form plastics-production plastic products, this processing step is succinct, can efficiently produce the plastic products of antimicrobial form.
Description
Technical field
The present invention relates to field of material processings, and in particular to a kind of antibacterial plastic and applies this plastics-production plastic products
Technique.
Background technique
In daily life, disinfect pathogen virus is ubiquitous, causes to the health of people especially children very big
It threatens, such various anti-biotic materials come into being.Antibiotic plastic be one kind in use environment itself to stain on plastics
Bacterium, mould, alcohol mother bacterium, algae even virus etc., which rise, to be inhibited or the plastics of killing effect, by inhibit the breeding of microorganism come
Keep itself clean.Currently, antibiotic plastic is mainly obtained by the method for adding a small amount of antibacterial agent in common plastics.Such as China
Patent of invention 201610354059.X discloses a kind of antibacterial agent for antibiotic plastic, includes mainly following raw material, by parts by weight
Number meter: 20~35 parts of white mica powder, 5~15 parts of zeolite powder, 5~15 parts of conch meal, 40~60 parts of 30% hydrogen peroxide, tertiary sodium phosphate
40~80 parts of solution, 0.4~6 part of basic amino acid, 20~35 parts of silver chlorate, 40~55 parts of sodium thiosulfate, sodium sulfite 20
~30 parts, 5~10 parts of acetic acid, 5~15 parts of Na 4P 2O 710H 2O, 30~45 parts of thioglycol, 20~35 parts of ethyl alcohol,
10~25 parts of sodium bicarbonate, 15~40 parts of diluent, 5~20 parts of coupling agent；The basic amino acid be lysine, arginine,
It is one or more kinds of in histidine, tryptophan；The diluent be ethylene glycol, propylene glycol, wherein ethylene glycol, propylene glycol ratio
For 1:1~1.2.The coupling agent is silane compound.The silane compound is amino silane, vinyl silanes or methyl-prop
One or both of alkene acyloxy silane.A kind of preparation method of the antibacterial agent for antibiotic plastic, comprising the following steps:
(1) white mica powder, the zeolite powder, the conch meal are uniformly mixed to obtain hybrid solid powder, by the hybrid solid
Powder and 30% hydrogen peroxide solution are stirred 10~15min, then stand 50~70min, place it in 100~120
Dry 6~8h in DEG C baking oven；(2) by the hybrid solid powder and the trisodium phosphate solution, the alkaline ammonia after drying
Base acid stirs 15~35min, then stands 20~40min, and 5~7min is centrifugated under the speed of 3000~4000r/min,
It takes lower layer to be deposited in 3~5h of baking in 350~400 DEG C of baking ovens, then stands and be cooled to 20~30 DEG C, it is solid to be prepared into purifying mixing
The pure solid powder of collection is placed in high pressure milling device, mills and be sieved at 10~15MPa by body powder, system
It is standby to obtain 120~140 mesh ultrafine solids powder；(3) silver chlorate is dissolved in the sodium sulfite and the sodium thiosulfate
Mixed solution in, while with the vinegar acid for adjusting pH 4~5,2~4h is stirred at 20~40 DEG C；(4) 1:10 in mass ratio
~15 are added to the ultrafine solids powder in the mixed solution of step (3) preparation, are warming up to 55~60 DEG C, the vinegar is added
It is 6~8 that acid, which adjusts pH value, stirs 1~2h, then be centrifugated to obtain solid product, distilled water washs the solid product extremely repeatedly
In washing lotion without Ag+ after, in 100~110 DEG C of baking ovens, obtain immobilized silver-colored antibacterial pulvis；(5) the immobilized silver-colored antibacterial pulvis is added
Into the Na 4P 2O 710H 2O, stirring and dissolving 2~4 hours at 25~65 DEG C are stirred under 600~800r/min revolving speed
Mix 10~15min of mixing, continuously add sodium bicarbonate, the ethyl alcohol, the thioglycol, at 20~30 DEG C apply 750~
The ultrasound of 800W carries out 10~15min of decentralized processing to solution, and 4~6h is mixed at 20~30 DEG C, and mixing speed is
100~200r/min；(6) diluent and coupling agent 3:1~1.5 in mass ratio are first mixed to get mixed solution,
Solution after dispersion that step (5) obtains is mixed with above-mentioned mixed solution 1:0.2~0.5 in mass ratio again, it is then mixed in high speed
It is stirred 20~30 minutes in conjunction machine, after the completion of to be mixed, stands 10~12h, and solvent is removed to its rotary evaporation, then be placed in 75
The particle is milled and is sieved again, is prepared into 140 by dry 6~8h in~80 DEG C of baking ovens, the particle after collecting drying
~160 mesh powders, then the powder is subjected to 2~4h of activation processing at 180~240 DEG C, then stop heating and cooling
To 20~30 DEG C, the antibacterial agent for antibiotic plastic is obtained.
But the invention is similar with traditional plastics mainly to a small number of strain tools such as Escherichia coli and staphylococcus glucose bacterium
There is preferable antibacterial effect, and to other bacteriums such as Pseudomonas aeruginosa, bacillus anthracis, shigella flexneri, shigella, wound
Cold bacillus, paratyphosum Bacterium, proteus and staphylococcus, Candida albicans, corynebacterium diphtheriae, ox type Brucella, pneumonia are double
Coccus, meningococcus and hemolytic streptococcus etc. do not have apparent antibacterial effect, so antibacterial effect need to be improved.
In consideration of it, inventor furthers investigate the above problem, there is this case generation then.
Summary of the invention
One of the invention, which is designed to provide one kind, has apparent antibacterial effect to most of strains, has more comprehensively
Effect ground ensures the hygienic conditions of people and the antibacterial plastic of health.
It is of the invention secondly be designed to provide a kind of technique for producing plastic products, can efficiently produce the plastics of antimicrobial form
Product.
In order to achieve the above object, the present invention uses such technical solution:
A kind of antibacterial plastic, mainly by base resin powder and the uniform Hybrid Heating of borax powder, base resin is in company
Continuous phase, borax powder are in dispersed phase.
Including following procedure of processing:
(1) it prepares borax and borax is ground into borax powder；
(2) prepare base resin powder, and by base resin powder and borax powder be stirred it is uniform mix, obtained boron
Sand resin compound；
(3) then borax resin compound is heated, makes base resin in continuous phase, borax powder is in dispersed phase.
There are also step (4) after the step (3), using product obtained in step (3) as basic antibacterial resin, root
According to the requirement of required resin types, basic antibacterial resin and required resin is subjected to uniform Hybrid Heating, antibiotic plastic is made.
In the step (4), basic antibacterial resin and required resin quantitative are weighed and then are respectively heated thawing,
Then progress homogeneous heating mixing together is remixed.
In the step (1), when preparing borax, using following steps:
A1, boron magnesium ore powder is pre-processed；
A2, boron magnesium ore powder and sodium hydroxide solution are mixed to prepare mixed solution 1；
A3, sodium metaborate solution is decomposed to obtain to 1 temperature-pressure of mixed solution；
A4, by sodium metaborate solution through carbonization treatment up to borax.
In the step (1), when preparing borax, using following steps:
B1, boron magnesium ore powder is pre-processed；
B2, boron magnesium ore powder and sodium carbonate liquor are mixed to prepare mixed solution 2；
B3, mixed solution 2 is packed into closed container；
B4, lead to carbon dioxide into closed container and boost, react to obtain borax after making carbon dioxide and mixed solution 2.
A kind of technique using antimicrobial form plastics-production plastic products, includes the following steps:
C1, it prepares borax and borax is ground into borax powder；
C2, prepare base resin powder, and by base resin powder and borax powder be stirred it is uniform mix, obtained boron
Sand resin compound；
C3, then borax resin compound is heated, makes base resin in continuous phase, borax powder is in dispersed phase；
C4, using product obtained in step (3) as basic antibacterial resin, required according to required resin types, will be basic
Antibacterial resin and required resin carry out uniform Hybrid Heating and antibiotic plastic are made；
C5, plastic products are made using injection molding, extrusion, calendering, blow molding, molding or transfer modling technique in antibiotic plastic.
In the step c1, the partial size of borax powder is 100-10000nm.
In the step c1, the weight ratio of base resin powder and borax powder is 10-20:1-2.
After adopting the above technical scheme, antibacterial plastic of the invention, breaks through the process form of traditional antibiotic plastic,
Borax is uniformly added into base resin, manufactured antibiotic plastic can effectively play the antibacterial effect of borax, to Escherichia coli, green pus
Bacillus, bacillus anthracis, shigella flexneri, shigella, typhoid bacillus, paratyphosum Bacterium, proteus and grape ball
Bacterium, Candida albicans, corynebacterium diphtheriae, ox type Brucella, Diplococcus pneumopniae, meningococcus and hemolytic streptococcus etc. have
There is significant antibacterial effect.Compared with prior art, antibacterial plastic of the invention has most of strains apparent anti-
Bacterium effect more fully and effectively ensures the hygienic conditions and health of people.
The present invention also proposes a kind of technique using aforementioned antimicrobial form plastics-production plastic products, this processing step is succinct,
The plastic products of antimicrobial form can efficiently be produced.
Specific embodiment
In order to further explain the technical solution of the present invention, being described in detail below by specific embodiment.
A kind of antibacterial plastic of the invention, mainly by base resin powder and the uniform Hybrid Heating of borax powder, basis
Resin is in continuous phase, and borax powder is in dispersed phase.The present invention is uniformly added into borax in base resin, and manufactured antibiotic plastic can
The antibacterial effect for effectively playing borax congratulates dysentery bar to Escherichia coli, Pseudomonas aeruginosa, bacillus anthracis, shigella flexneri, will
Bacterium, typhoid bacillus, paratyphosum Bacterium, proteus and staphylococcus, Candida albicans, corynebacterium diphtheriae, ox type Brucella, lung
Scorching diplococcus, meningococcus and hemolytic streptococcus etc. all have significant antibacterial effect.
During examining antibacterial effect, one, with flat band method this hair of multi-disc is inserted into the culture medium of multiple groups different strain
Bright antibacterial plastic, after cultivating after a period of time, to the Escherichia coli around antimicrobial form plastics, Pseudomonas aeruginosa, anthrax bar
Bacterium, shigella flexneri, shigella, typhoid bacillus, paratyphosum Bacterium, proteus and staphylococcus and Candida albicans
Bacterium has inhibiting effect；Then the sheet body of antibacterial plastic is taken out cleaning to dry, is re-used after placing one month using flat
Plate method does identical experiment, still to around antimicrobial form plastics Escherichia coli, Pseudomonas aeruginosa, bacillus anthracis, shigella flexneri,
Shigella, typhoid bacillus, paratyphosum Bacterium, proteus and staphylococcus and Candida albicans have inhibiting effect,
It proves the borax in antibacterial plastic of the present invention and does not fall off, merged with plastic material and compatibility is good, and durable antibacterial effect；
Two, it is proved with paper disk method, antibacterial plastic of the invention can also inhibit corynebacterium diphtheriae, ox type Brucella, pneumonia
Diplococcus, meningococcus and hemolytic streptococcus etc..
Preferably, antibacterial plastic of the invention in process, including following procedure of processing:
(1) it prepares borax and borax is ground into borax powder；Borax powder is conducive to carry out with base resin powder uniform
Mixing, dispersibility are more preferable；
(2) prepare base resin powder, and by base resin powder and borax powder be stirred it is uniform mix, obtained boron
Sand resin compound；
(3) then borax resin compound is heated, melts base resin and be in continuous phase, borax powder is in point
Dephasing is dispersed in borax powder in base resin, and base resin uniformly wraps up borax powder, and antibiotic property tree is made
Rouge.Further, in order to be conducive to the temperature of base resin uniformly and melt uniformly, heating process is being carried out to borax resin compound
In be stirred.
Preferably, there are also step (4) after the step (3), using product obtained in step (3) as basic antibacterial
Resin is required according to required resin types, basic antibacterial resin and required resin is carried out uniform Hybrid Heating, antibacterial modeling is made
Material.This step carries out uniform mix with required resin and adds on the basis of basic antibacterial resin has been uniformly distributed borax powder
Heat is evenly distributed on basic antibacterial resin in required resin, and then is evenly distributed on borax powder in required resin, realizes
Uniform diluted process can require to realize different antibacterial strength and effect according to different antibacterials.Due to that can be prepared on a small quantity
Basic antibacterial resin, then further according to the allotment for requiring the progress later period, the cost of integrated artistic is lower, operates also more flexible.
Preferably, in the step (4), basic antibacterial resin and required resin quantitative is weighed and then added respectively
Heat is melted, and progress homogeneous heating mixing together is then remixed.This step can ensure that basic antibacterial resin and required resin it
The accurate matching of the area of a room, allotment precision is high, easily reaches the antibacterial effect of requirement.
Preferably, in the step (1), when preparing borax, using following steps:
A1, boron magnesium ore powder is pre-processed；Such as cleaned and cleaned operation；
A2, boron magnesium ore powder and sodium hydroxide solution are mixed to prepare mixed solution 1；
A3, sodium metaborate solution is decomposed to obtain to 1 temperature-pressure of mixed solution；
A4, by sodium metaborate solution through carbonization treatment up to borax.
Reaction equation is substantially are as follows:
2MgO.B2O3+2NaOH+H2O→2NaBO2+2Mg(OH)2
4NaBO2+CO2→Na2B4O7+Na2CO3
Preferably, in the step (1), when preparing borax, using following steps:
B1, boron magnesium ore powder is pre-processed；
B2, boron magnesium ore powder and sodium carbonate liquor are mixed to prepare mixed solution 2；
B3, mixed solution 2 is packed into closed container；
B4, lead to carbon dioxide into closed container and boost, react to obtain borax after making carbon dioxide and mixed solution 2.
Reaction equation is substantially are as follows:
2(2MgO.B2O3)+Na2CO3+2CO2+xH2O→Na2B4O7+4MgO.3CO2.xH2O
A kind of technique using antimicrobial form plastics-production plastic products, includes the following steps:
C1, it prepares borax and borax is ground into borax powder；Borax powder is conducive to carry out with base resin powder uniform
Mixing, dispersibility are more preferable；
C2, prepare base resin powder, and by base resin powder and borax powder be stirred it is uniform mix, obtained boron
Sand resin compound；
C3, then borax resin compound is heated, melts base resin and be in continuous phase, borax powder is in point
Dephasing is dispersed in borax powder in base resin, and base resin uniformly wraps up borax powder, and antibiotic property tree is made
Rouge.Further, in order to be conducive to the temperature of base resin uniformly and melt uniformly, heating process is being carried out to borax resin compound
In be stirred；
C4, using product obtained in step (3) as basic antibacterial resin, required according to required resin types, will be basic
Antibacterial resin and required resin carry out uniform Hybrid Heating and antibiotic plastic are made；This step has uniformly been divided in basic antibacterial resin
On the basis of cloth borax powder, uniform Hybrid Heating is carried out with required resin, basic antibacterial resin is made to be evenly distributed on required tree
It in rouge, and then is evenly distributed on borax powder in required resin, realizes uniformly diluted process, can be required according to different antibacterials
Realize different antibacterial strength and effect.Due to that can carry out preparing basic antibacterial resin on a small quantity, then further according to progress is required after
The cost of the allotment of phase, integrated artistic is lower, operates also more flexible；
C5, antibiotic plastic is made using injection molding, extrusion, calendering, blow molding, molding or transfer modling technique with corresponding shape
The plastic products of the parameters such as shape, size.
Preferably, in the step c1, borax powder is ground, sets corresponding milling time, makes borax powder
The partial size at end is 100-10000nm.The borax powder of this partial size is easier to carry out evenly dispersed distribution in base resin, is easier to
The antibacterial action of boron mud powder is efficiently played, and surface-to-volume ratio is bigger, is not easy that precipitating or drift occur in whipping process
Floating situation.If the partial size of borax powder is excessive, it is unfavorable for being uniformly distributed and antibacterial utilization rate is low, partial size is too small easily to be floated with air
It is floating, waste of material is caused, it is not easy to operate.
Preferably, the partial size of borax powder is 1000-5000 (1000,2000,3000,4000 or 5000) nm.According to work
Make personnel's practical operation confirmation, the borax powder of this particle size range is easier to uniformly be mixed with base resin, and amalgamation is stronger,
And it is conducive to operation.
For the intensity for making antibacterial effect of the invention reach certain, it is preferable that in the step c1, basic tree cosmetics
End and the weight ratio of borax powder are 10-20:1-2, if borax powder crosses major general and antibacterial effect is not achieved, if borax powder
The intensity of resin will be excessively significantly reduced, and borax powder is easy to fall off and damages with human contact.Base resin powder with
The specific weight ratio of borax powder can for 10:1,13:1,16:1,19:1,20:1,10:1.5,13:1.5,16:1.5,19:1.5,
20:1.5,10:2,13:2,16:2,19:2,20:2.
Base resin is preferably that thermoplastic resin has, such as PE- polyethylene, PP- polypropylene, PVC- polyvinyl chloride, PS- polyphenyl
Ethylene, PA- polyamide, POM- polyformaldehyde, PC- polycarbonate, polyphenylene oxide, polysulfones, rubber etc..
Product form of the invention is not limited to embodiment of this case, anyone it is carried out similar thinking it is appropriate change or
Modification, all should be regarded as not departing from patent category of the invention.
Claims (9)
1. a kind of antibacterial plastic, it is characterised in that: mainly by base resin powder and the uniform Hybrid Heating of borax powder, basis
Resin is in continuous phase, and borax powder is in dispersed phase.
2. a kind of antibacterial plastic according to claim 1, which is characterized in that including following procedure of processing:
(1) it prepares borax and borax is ground into borax powder；
(2) prepare base resin powder, and by base resin powder and borax powder be stirred it is uniform mix, obtained borax tree
Lipoprotein mixture；
(3) then borax resin compound is heated, makes base resin in continuous phase, borax powder is in dispersed phase.
3. a kind of antibacterial plastic according to claim 2, it is characterised in that: there are also steps after the step (3)
(4), it using product obtained in step (3) as basic antibacterial resin, is required according to required resin types, by basic antibacterial resin
Uniform Hybrid Heating is carried out with required resin, and antibiotic plastic is made.
4. a kind of antibacterial plastic according to claim 3, it is characterised in that: in the step (4), by basic antibacterial
Resin and required resin quantitative weigh and then are respectively heated thawing, then remix progress homogeneous heating mixing together.
5. a kind of antibacterial plastic according to claim 1, it is characterised in that: in the step (1), preparing borax
When, using following steps:
A1, boron magnesium ore powder is pre-processed；
A2, boron magnesium ore powder and sodium hydroxide solution are mixed to prepare mixed solution 1；
A3, sodium metaborate solution is decomposed to obtain to 1 temperature-pressure of mixed solution；
A4, by sodium metaborate solution through carbonization treatment up to borax.
6. a kind of antibacterial plastic according to claim 1, it is characterised in that: in the step (1), preparing borax
When, using following steps:
B1, boron magnesium ore powder is pre-processed；
B2, boron magnesium ore powder and sodium carbonate liquor are mixed to prepare mixed solution 2；
B3, mixed solution 2 is packed into closed container；
B4, lead to carbon dioxide into closed container and boost, react to obtain borax after making carbon dioxide and mixed solution 2.
7. a kind of technique using antimicrobial form plastics-production plastic products described in any one of claim 2-6, feature exist
In including the following steps:
C1, it prepares borax and borax is ground into borax powder；
C2, prepare base resin powder, and by base resin powder and borax powder be stirred it is uniform mix, obtained borax tree
Lipoprotein mixture；
C3, then borax resin compound is heated, makes base resin in continuous phase, borax powder is in dispersed phase；
C4, using product obtained in step (3) as basic antibacterial resin, required according to required resin types, by basic antibacterial
Resin and required resin carry out uniform Hybrid Heating and antibiotic plastic are made；
C5, plastic products are made using injection molding, extrusion, calendering, blow molding, molding or transfer modling technique in antibiotic plastic.
8. a kind of technique for producing plastic products according to claim 7, it is characterised in that: in the step c1, boron
The partial size at emery dust end is 100-10000nm.
9. a kind of technique for producing plastic products according to claim 7, it is characterised in that: in the step c1, base
The weight ratio of plinth toner and borax powder is 10-20:1-2.
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| CN117283920A (en) * | 2023-09-07 | 2023-12-26 | 山东森荣新材料股份有限公司 | Preparation method of polytetrafluoroethylene dental floss |
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