CN108424638A - A kind of nontoxic nylon material of permanent antibacterial and mouldproof and preparation method thereof - Google Patents
A kind of nontoxic nylon material of permanent antibacterial and mouldproof and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of permanent nontoxic nylon materials of antibacterial and mouldproof and preparation method thereof, the material is prepared by nylon 6 or nylon66 fiber, zeolite silver ion antimicrobial agent, by the material for air purification of base material, antioxidant, uvioresistant auxiliary agent, dispersant of photocatalyst of titanium dioxide, dispersant is Dow corning activity polymethylsilsesquioxane powder, model RM4-7051；The present invention uses novel active polymethylsilsesquioxane powder for dispersant, so that antimicrobial powder is more easy to be enriched with to carrier surface, and antimicrobial powder is firmly controlled in vector resin, it cannot migrate, keep chronobiological security and stability, the contact area for significantly enhancing antiseptic and microorganism, to further enhance the antibacterial and deodouring efficiency of antiseptic and its permanent in vector resin.The material has brighter and cleaner higher antimicrobial efficiency, better processing performance, surface, better mechanical property, really nontoxic.
Description
Technical field
The present invention relates to a kind of nylon materials, and in particular to a kind of nontoxic nylon material of permanent antibacterial and mouldproof and its
Preparation method belongs to field of material technology.
Background technology
With society development and human living standard continuous improvement, people increasingly pay close attention to health living environment and
Easily living condition.The health of people can be directly threatened due to contacting a large amount of bacterium in routine work and life,
Therefore develop it is novel, efficient, have no toxic side effect and receive universal attention and welcome with excellent persistent anti-biotic material.
Nylon has a good comprehensive performance as a kind of common engineering plastics, including mechanical property, heat resistance, wear resistance, excellent
Good resilience, chemical resistance and self lubricity, and friction coefficient is low, it is easy to process, therefore in building, medical treatment, vapour
The fields such as vehicle, electric, packaging, personal nursing and textile fabric are widely used.Research and development have antibacterial action
Nylon products, to improve human life quality and ensure personal lifestyle health be of great significance.
Chinese invention patent application CN103788645A discloses a kind of antibacterial enhancing nylon material and preparation method thereof, should
Patent is complex antimicrobials the resisting as anti-bacteria nylon master batch being combined by rare earth silver-based inorganic antibacterial agent and titanium dioxide
Microbial inoculum combines enhancing nylon and is mixed with.The weight proportion of two kinds of raw materials is anti-bacteria nylon master batch: enhancing nylon=1:
10~35, wherein antibacterial matrices are formed by complex antimicrobials and with nylon two parts, and wherein complex antimicrobials account for anti-bacteria nylon mother
The 1%~30% of grain weight total amount, nylon accounts for the 65%~95% of complex antimicrobials.Alkali-free short glass fiber accounts in enhancing nylon
30%.Preparation method uses three-step approach, the first step to prepare anti-bacteria nylon master batch, and second step prepares enhancing nylon, and third step will resist
Bacterium nylon master batch is evenly distributed in the enhancing nylon prepared.This method ensure that the intensity of nylon can allow antiseptic equal again
It is even to be distributed in nylon, keep antibacterial effect more preferable, reach 99.99%, product is not easy to change, has broad-spectrum antibacterial property.But it should
Patent middle rare earth silver-based inorganic antibacterial agent does not have fixation, there is migration, there are one for the persistence and environmental-protecting performance of antibacterial
Fixed problem.
Invention content
In order to solve the above-mentioned technical problem, it is an object of the invention to propose a kind of nontoxic Buddhist nun of permanent antibacterial and mouldproof
Imperial material and preparation method thereof, the material have higher antibacterial and deodouring efficiency, better processing performance, superior mechanical property
Can, really it is nontoxic.
In order to improve the antibacterial and mouldproof of nylon material, the present invention is added zeolite silver ion antimicrobial agent and with titanium-dioxide photo
Catalyst is the material for air purification of base material as antiseptic, zeolite silver ion antimicrobial agent that the present invention selects purchased from it is Japanese (it is clean and
It is beautiful) ZEOMIC SINANEN CO., LTD, model AW10D.The zeolite-A g+ series of products of the said firm are removed with its high-efficiency antimicrobial
Smelly property, biological safety, superpower heat resistance (high temperature for being resistant to 800 DEG C) are widely used in high-grade plastics, fiber etc. on the way, are somebody's turn to do
Series of products have obtained U.S. FDA certification and the registration of EPA, the certification of the worlds NSF and Japan SIAA, SEK, JNLA, with modeling
Flitch detects, and antibacterial activity value still can reach 4.7 or more after 4 years, it is using high-quality synthetic zeolite as carrier, with antibacterial work
Silver ion is uniformly distributed in the form of stable in the three dimensional skeletal structure of zeolite and a variety of auxiliary agents are combined
Ultramicro powder with antibacterial action and deodorization, diameter of particle is small, and average grain diameter has even particle size distribution at 2 microns, than
Surface area is big, can be with various kinds of resin phase mixing after the auxiliary agent of selection is surface-treated, processing performance to material and other
Performance can be for good and all combined with high molecular material without influence, and acid and alkali-resistance, wash resistant are not likely to produce resistance, slowly release
It puts, sterilization effect is splendid and lasting.
The present invention select using photocatalyst of titanium dioxide as the material for air purification of base material have under visible light illumination, with
Photocatalyst of titanium dioxide is to be aided with multiple components collective effect based on the material for air purification of base material, produce oxidability pole
Strong free hydroxy and active oxygen etc., have the function of very strong photoredox, it is oxidable decompose various organic compounds and
Part inorganic matter can destroy the protein of the cell membrane and solidification virus of bacterium, can kill bacterium and decomposing organic pollutant,
Harmful substance in air --- formaldehyde, benzene, toluene and TVOC resolve into free of contamination water (H2O) and carbon dioxide (CO2), because
And there is extremely strong sterilization, deodorization, mould proof, anti-fouling and self-cleaning, air purification function, tourmaline therein can also emit far infrared
Line generates anion, adjusts function of human body.
The present invention is used in combination using zeolite silver ion antimicrobial agent with by the material for air purification of base material of photocatalyst of titanium dioxide,
There is chemiluminescence in antibacterial and sterilization.
Importantly, inventive dispersant is the novel active siloxanes of Dow corning (DOW CORNING) company
Powder, model RM4-7051, the novel active polymethylsilsesquioxane powder and human body are nontoxic, which can provide a kind of containing methyl
Acrylic organic reaction group, these groups have very high reactivity, with resin-bonded, provide silica flour and modification
The compatibility of resin, engages with inorganic filler, becomes the coupling agent between inorganic filler and resin, improves Impact Properties of Materials
And other mechanical mechanics properties.The dispersant or excellent lubrication dispersing agent, surface modifier, can improve resin processability
Energy, mobile performance, promote the finish of material surface.The polar group that the novel active siloxanes of the present invention contains, easily gathers
In product surface, table is carried out to zeolite silver ion antimicrobial agent and by the material for air purification of base material of photocatalyst of titanium dioxide with it
Surface treatment makes it be greatly enhanced with carrier compatibility, the agglomeration of antimicrobial powder in the carrier can be effectively prevented, to reach
Splendid dispersion in the carrier, to greatly improve the antimicrobial efficiency of antimicrobial powder.Meanwhile the novel active polymethylsilsesquioxane powder
It uses, has not only acted as high-efficiency lubricating effect, also acted the effect of High Efficient Bonding Agents, due to the polar group that it contains, easily
It is collected at product surface so that antimicrobial powder is more easy to be enriched with to carrier surface, and is tightly controlled in vector resin, cannot
Migration keeps bio-safety long-time stability, significantly enhances the contact area of antiseptic and microorganism, anti-to enhance
The antibacterial and deodouring efficiency of microbial inoculum and its permanent in vector resin.The application of the dispersant not only reduces cost, but also improves
Antibacterial and deodouring and biological safety, are advantageously implemented large-scale production, meet the main trend requirement of health environment-friendly.
To achieve the purpose of the present invention, the technical solution used for：
A kind of nontoxic nylon material of permanent antibacterial and mouldproof is made of in terms of parts by weight the following raw material：
Dispersant described in the dispersant is Dow corning activity polymethylsilsesquioxane powder, model RM4-7051.
When preparation, first dried by part zeolite silver ion antimicrobial agent and by the material for air purification of base material of photocatalyst of titanium dioxide
It is dry, two kinds of substances after drying are put into high-speed mixer, the dispersant of 0.1-0.4 parts by weight is added, are uniformly mixed to obtain A
Material；
Then nylon is dried for standby；By the nylon of drying, antioxidant, uvioresistant auxiliary agent and 0.1-0.4 parts by weight
Dispersant is added in high-speed mixer, is blended, stirs evenly, obtain B materials；
Finally B materials are added from the main spout of double Luo bars extruders, by A materials from the side feeding of double Luo bars extruders
Mouthful be added, the nylon melting mixing in double screw extruder, water cooled, tie rod, air-dry, pelletizing be made permanent antibacterial and mouldproof without
The harmless nylon material of poison.
To further realize the object of the invention, it is preferable that the nylon is nylon 6 or nylon66 fiber.
Preferably, the zeolite silver ion antimicrobial agent is purchased from clean and beautiful, the model AW10D of Japan.
Preferably, described using photocatalyst of titanium dioxide as the material for air purification composition of raw materials of base material with mass fraction
Composition, by nano-titanium dioxide 30-40%, nano silicone diatomaceous earth 20-35%, vitamin C 2-5%, tourmaline 15-20%, tea
Brilliant 5-10%, binder 1-5%, dispersant 0.5-1.5%；When preparation, each component is proportionally uniformly mixed；It will mix equal
Even material is put into hybrid reaction in the heating kettle of agitating device；Sizing is granulated in injection moulding mold；Sieving；It will be obtained
Grain is dried.
It is the material for air purification of base material referring specifically to Chinese invention patent, Patent No. using photocatalyst of titanium dioxide
201610066352.6.Wherein nano-titanium dioxide is purchased from Co., Ltd. Lang Jinusi, and trade name LONGINUS uses 1-
3nm grade titanium dioxides, grain size are smaller than general nano-titanium dioxide, and specific surface area bigger, reactivity higher makes photocatalytic
It can greatly promote, have under visible light illumination, using photocatalyst of titanium dioxide based on the material for air purification of base material, to be aided with more
Kind composition collective effect, produces the extremely strong free hydroxy of oxidability and active oxygen etc., has very strong photoredox
Function, it is oxidable to decompose various organic compounds and part inorganic matter, the albumen of the cell membrane and solidification virus of bacterium can be destroyed
Matter can kill bacterium and decomposing organic pollutant, the harmful substance in air --- and formaldehyde, benzene, toluene and TVOC are resolved into
Free of contamination water (H2) and carbon dioxide (CO O2), thus with extremely strong sterilization, deodorization, mould proof, anti-fouling and self-cleaning, purification air
Function, tourmaline therein can also be emitting far-infrared, generate anion, adjust function of human body.
Preferably, the antioxidant be four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and/
Or three [2.4- di-tert-butyl-phenyls] phosphite antioxidant.It is preferred that four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid]
Pentaerythritol ester and three [2.4- di-tert-butyl-phenyls] phosphite ester 0.1-0.2 in mass ratio：0.1-0.2 ratios form.
Preferably, the uvioresistant auxiliary agent is benzotriazole；UV5411 or UV-234 can be selected.
The preparation method of the nontoxic nylon material of permanent antibacterial and mouldproof, including step in detail below：
(1) by zeolite silver ion antimicrobial agent and using photocatalyst of titanium dioxide it is first the material for air purification of base material in 80-120
Drying 2-4 hours DEG C is carried out, then two kinds of substances after drying are put into high-speed mixer, add 0.1-0.4 parts by weight
Novel active polymethylsilsesquioxane powder, temperature control at 80-115 DEG C, handle 20-30 minutes, obtain A materials；
(2) nylon is dried for standby；By point of the nylon of drying, antioxidant, uvioresistant auxiliary agent and 0.1-0.4 parts by weight
Powder is added in high-speed mixer, is blended, stirs evenly, obtain B materials；
(3) B materials are added from the main spout of double Luo bars extruders, by A materials from the side feeding of double Luo bars extruders
Mouth is added, and nylon passes through melting mixing in double screw extruder, then permanent antibacterial is made in water cooled, tie rod, air-dried, pelletizing
Mould proof nontoxic nylon material.
Preferably, described dry nylon is to dry nylon 3 hours at 95 DEG C.
Preferably, when nylon is nylon 6, the temperature of the melting mixing is 150-230 DEG C；When nylon is nylon66 fiber
When, the temperature of the melting mixing is 150-275 DEG C.
Compared with the existing technology, the present invention has the advantages that：
(1) dispersant that the present invention uses is novel active polymethylsilsesquioxane powder (the model RM4- of Dow corning company
7051), the novel active polymethylsilsesquioxane powder and human body are nontoxic, have organic reaction group in macromolecular, these groups have
Very high reactivity provides the compatibility of silica flour and modified resin, is engaged with inorganic filler, become with resin-bonded
Coupling agent between inorganic filler and resin improves Material Physics mechanical mechanics property.It is excellent lubrication dispersing agent, table
Face modifying agent can improve resin processing performance, mobile performance, promote the finish of material surface.Especially this novel work
The polar group that property siloxanes contains, is easily collected at product surface, with it to zeolite silver ion antimicrobial agent and with titanium-dioxide photo
Catalyst is that the material for air purification of base material is surface-treated, and so that it is greatly enhanced with carrier compatibility, can effectively prevent to resist
The agglomeration of bacterium powder body in the carrier, to reach splendid dispersion in the carrier, to greatly improve the antibacterial of antimicrobial powder
Efficiency.The present invention has the use of novel active polymethylsilsesquioxane powder, has not only acted as high-efficiency lubricating effect, has also acted High Efficient Bonding Agents
Effect product surface is easily collected at due to the polar group that it contains so that antimicrobial powder be more easy to carrier surface be enriched with, carry
High antiseptic can reduce the usage amount of antiseptic, and antiseptic is firmly controlled in vector resin in the concentration at interface,
It cannot migrate, keep bio-safety long-time stability, the contact area of antiseptic and microorganism is significantly enhanced, to enhance
The antibacterial and deodouring efficiency of antiseptic and its permanent in vector resin.The present invention not only reduces cost, but also improves anti-
Bacterium odor removal efficient and biological safety, are advantageously implemented large-scale production, meet the main trend requirement of health environment-friendly.
(2) the zeolite silver ion antimicrobial agent that the present invention selects is purchased from Japan (clean and beautiful) ZEOMIC SINANEN CO.,
LTD, the series of products have obtained U.S. FDA certification and the registration of EPA, and NSF is international and Japan SIAA, SEK, JNLA recognize
Card, is detected, antibacterial activity value still can reach 4.7 or more after 4 years, and acid and alkali-resistance, wash resistant are not likely to produce the anti-medicine of bacterium with plastic plate
Property, slow release, sterilization effect are lasting.(it is resistant to 800 DEG C with its high-efficiency antimicrobial deodorization, biological safety, superpower heat resistance
High temperature) it is widely used in high-grade plastics, fiber etc. on the way.
(3) what the present invention used is the material for air purification of base material for material using photocatalyst of titanium dioxide, wherein nanometer two
Titanium oxide is purchased from Co., Ltd. Lang Jinusi, and trade name LONGINUS, using 1-3nm grade titanium dioxides, grain size is than general
Nano-titanium dioxide is small, specific surface area bigger, and reactivity higher makes photocatalysis performance greatly promote, and has and is shone in visible light
It penetrates down, using photocatalyst of titanium dioxide based on the material for air purification of base material, to be aided with multiple components collective effect, producing oxidation
Very competent free hydroxy and active oxygen etc. have the function of very strong photoredox, oxidable to decompose various organise
Object and part inorganic matter are closed, the protein of the cell membrane and solidification virus of bacterium can be destroyed, bacterium can be killed and decompose organic dirt
Object is contaminated, the harmful substance in air --- formaldehyde, benzene, toluene and TVOC resolve into free of contamination water (H2O) and carbon dioxide
(CO2), thus with extremely strong sterilization, deodorization, mould proof, anti-fouling and self-cleaning, air purification function, tourmaline therein can also emit
Far infrared generates anion, adjusts function of human body.
(4) the nontoxic nylon material of permanent antibacterial and mouldproof produced by the present invention can be applied in building, medical treatment, vapour
The fields such as vehicle, electric, packaging, personal nursing and textile fabric, not only safety, antibacterial effect were again reliable, met people and improved and give birth to
The needs of bioplasm amount and health.
(5) it is Escherichia coli, staphylococcus aureus to use QB/T2591-2003 standards, anti-microbial property detection bacterium, is resisted
Mould performance detection mould is aspergillus niger, aflatoxin, Aspergillus terreus, aflatoxin, aspergillus oryzae, Citreoviridin, parasitism
Aspergillus, Citreoviridin, penicillic acid；Whether silver ion and titaniferous materials disengage using EPA 200.8:1994,ICP-MS；As a result
It has been shown that, the antibacterial and deodouring efficiency of the nontoxic nylon material of the permanent antibacterial and mouldproof of the present invention reach 99.2% or more, antifungi
Performance reaches 0 grade, has very excellent antibacterial and deodouring efficiency；Meanwhile do not detect have in antibacterial and mouldproof nylon material silver or
Silver ion and titaniferous materials disengage, and illustrate that the antibacterial and mouldproof nylon material of the present invention is nontoxic.
Specific implementation mode
To be best understood from the present invention, with reference to embodiment, the invention will be further described, and following embodiment is only pair
The present invention is illustrated rather than is limited to it.
Embodiment 1
(1) in terms of mass fraction, first by 0.197 part of zeolite silver ion antimicrobial agent (AW10D) and 0.1 part with titanium-dioxide photo
Catalyst is the material for air purification (coming from Chinese invention patent embodiment 1, Patent No. 201610066352.6) of base material 90
Drying 2 hours DEG C is carried out, then two kinds of substances after drying are put into high-speed mixer, add the novel of 0.18 parts by weight
Active polymethylsilsesquioxane powder (RM4-7051), temperature control at 100 DEG C, handle 30 minutes, obtain A materials.
(2) nylon66 fiber is dried at 105 DEG C 3 hours it is spare.In terms of mass fraction, by the nylon of 98.623 parts of drying
66,0.3 part of antioxidant (1010：168=0.15：0.15), 0.3 part of uvioresistant auxiliary agent UV5411 and 0.3 part of novel active
Polymethylsilsesquioxane powder (RM4-7051) is added in high-speed mixer, is blended 5 minutes, stirs evenly, obtain B materials.
(3) B materials are added from the main spout of double Luo bars extruders, by A materials from the side feeding of double Luo bars extruders
Mouth is added, and 150-275 DEG C of melting mixing is passed through in double screw extruder, and water cooled, tie rod, air-dried, pelletizing are made permanently
The property nontoxic nylon material of antibacterial and mouldproof.The particle injection molding sample preparation on injection molding machine after drying.
Embodiment 2
(1) first by 0.215 part of zeolite silver ion antimicrobial agent (AW10D) and 0.127 part using photocatalyst of titanium dioxide as base material
Material for air purification (come from Chinese invention patent embodiment 1, Patent No. 201610066352.6) carry out drying 2 at 90 DEG C
Hour, then two kinds of substances after drying are put into high-speed mixer, add the novel active siloxanes of 0.22 parts by weight
Powder (RM4-7051), temperature control at 100 DEG C, handle 30 minutes, obtain A materials.
(2) nylon 6 is dried at 95 DEG C 3 hours it is spare.By 98.538 parts of nylon, 6,0.3 parts of antioxidant (1010：168
=0.15：0.15), 0.3 part of uvioresistant auxiliary agent UV5411 and 0.3 part of novel active polymethylsilsesquioxane powder (RM4-7051) are added high
In fast mixing machine, it is blended 5 minutes, stirs evenly, obtain B materials.
(3) B materials are added from the main spout of double Luo bars extruders, by A materials from the side feeding of double Luo bars extruders
Mouth is added, and 150-230 DEG C of melting mixing is passed through in double screw extruder, and water cooled tie rod air-dries pelletizing and is made permanently anti-
The mould proof nontoxic nylon material of bacterium.The particle injection molding sample preparation on injection molding machine after drying.
Embodiment 3
(1) in terms of mass fraction, first by 0.176 part of zeolite silver ion antimicrobial agent (AW10D) and 0.08 part with titanium dioxide
Photocatalyst is that the material for air purification (coming from Chinese invention patent embodiment 1, Patent No. 201610066352.6) of base material exists
90 DEG C carry out drying 2 hours it is spare, then two kinds of substances after drying are put into high-speed mixer, add 0.17 parts by weight
Novel active polymethylsilsesquioxane powder (RM4-7051), temperature control at 100 DEG C, handle 30 minutes, obtain A materials.
(2) nylon 6 is dried at 95 DEG C 3 hours it is spare.It is in terms of mass fraction, 98.674 parts of 6,0.3 parts of nylon are anti-
Oxygen agent (1010：168=0.15：0.15), 0.3 part of uvioresistant auxiliary agent UV5411 and 0.3 part of novel active polymethylsilsesquioxane powder
(RM4-7051) it is added in high-speed mixer, is blended 5 minutes, stirs evenly, obtain B materials.
(3) B materials are added from the main spout of double Luo bars extruders, by A materials from the side feeding of double Luo bars extruders
Mouth is added, and 150-230 DEG C of melting mixing is passed through in double screw extruder, and water cooled tie rod air-dries pelletizing and is made permanently anti-
The mould proof nontoxic nylon material of bacterium.The particle injection molding sample preparation on injection molding machine after drying.
Comparative example 1
(1) in terms of mass fraction, first by 0.215 part of zeolite silver ion antimicrobial agent (AW10D) and 0.127 part with titanium dioxide
Photocatalyst is that the material for air purification (coming from Chinese invention patent embodiment 1, Patent No. 201610066352.6) of base material exists
90 DEG C carry out drying 2 hours, and then two kinds of substances after drying are put into high-speed mixer, add 5.5% antiseptic weight
The silane coupling A -172 for measuring part is handled, and temperature is controlled at 100 DEG C, is handled 30 minutes, and be uniformly mixed, is obtained A materials.
(2) nylon 6 is dried at 95 DEG C 3 hours it is spare.In terms of mass fraction, by 98.7 parts of nylon, 6,0.3 parts of antioxygens
Agent (1010：168=0.15：0.15), high-speed mixer is added in 0.3 part of uvioresistant auxiliary agent UV5411 and 0.3 part of Clariant E wax
In, it is blended 5 minutes, stirs evenly, obtain B materials.
(3) B materials are added from the main spout of double Luo bars extruders, by A materials from the side feeding of double Luo bars extruders
Mouth is added, and 150-230 DEG C of melting mixing is passed through in double screw extruder, and water cooled tie rod air-dries pelletizing and nylon material is made
Material.The particle injection molding sample preparation on injection molding machine after drying.
Antibacterium and antifungi test, antibacterium and antifungi test are carried out to sample preparation obtained by above-described embodiment and comparative example
Using QB/T2591-2003 standards, anti-microbial property detection bacterium is Escherichia coli, staphylococcus aureus, Anti-mildew capability inspection
Survey mould is aspergillus niger, aflatoxin, Aspergillus terreus, aflatoxin, aspergillus oryzae, Citreoviridin, aspergillus parasiticus, yellowish green blueness
Mycin, penicillic acid, test result are shown in Table 1.0 grade of antibiotic plastic of antifungi rank can be shown with strong Antifungal activities in table 1,
1 grade of antibiotic plastic can be shown with Antifungal activities.
Table 1
| Serial number | Antifungi rank | Anti-microbial property (%) |
| Examination criteria | QB/T2591‐2003 | QB/T2591‐2003 |
| Embodiment 1 | 0 | 99.96 |
| Embodiment 2 | 0 | 99.99 |
| Embodiment 3 | 0 | 99.2 |
| Comparative example 1 | 1 | 98.5 |
From the point of view of embodiment 1, embodiment 2, though antiseptic addition is few, antibacterial and mouldproof efficiency is very good.
Embodiment 2 is compared with comparative example 1, though the common silane coupling agent used in comparative example 1 plays certain dispersion and makees
With, but there is gap in antibacterial and mouldproof effect, illustrate to handle antiseptic using novel active polymethylsilsesquioxane powder, rise compared with Example 2
Good peptizaiton has been arrived, and antiseptic is made to be easy to surface enrichment.This phenomenon is showed in comparative example 1 with embodiment 3
More obvious, though addition is less than comparative example 1 to antiseptic in embodiment 3, antibacterial and mouldproof effect substantially exceeds comparative example
1, unexpected effect is achieved, illustrates that the dispersant that the present invention selects has the function of antiseptic being enriched with to carrier surface
And fixed function, it is possible to reduce the usage amount of antiseptic, and antibiosis and deodorization effects of great satisfaction can be reached.The present invention
Method not only reduces cost, but also improves antibacterial and deodouring efficiency and biological safety, is advantageously implemented large-scale production, meets strong
The main trend requirement of Kang Huanbao.
Sample prepared by embodiment 2 is put into distilled water, impregnates 24 hours at room temperature, uses EPA 200.8:
1994, ICP-MS test methods detect the content of Ag+ or Ag and titaniferous materials in water.Test result is as shown in table 2.
Table 2
For table 2 as it can be seen that the present invention uses international detection method, not detecting has silver or silver in antibacterial and mouldproof nylon material
Ion and titaniferous materials disengage, and illustrate that the antibacterial and mouldproof nylon material of the present invention is nontoxic, also illustrate use of the present invention
Zeolite silver ion antimicrobial agent (IM10D-L) and using photocatalyst of titanium dioxide as the material for air purification of base material be it is safe, no
Human body can be entered, it is nontoxic with human body.
Whether silver ion and titaniferous materials, which disengage, in table 2 executes EPA 200.8:1994,ICP-MS；Physical property detection is adopted
Use ASTM methods of test.
From the formula of the embodiment of the present invention as it can be seen that active polymethylsilsesquioxane powder, zeolite silver ion antimicrobial agent (IM10D-L) and
It is few as the material for air purification addition of base material using photocatalyst of titanium dioxide, therefore the physical property mechanical performance of base material is influenced non-
It is often small, for the big other antiseptics of relative amounts, have more excellent mechanical property；It is also to be stressed that the work of addition
Property polymethylsilsesquioxane powder become coupling agent between inorganic filler and resin, improve Impact Properties of Materials and other mechanical mechanics
Can, while it or excellent lubrication dispersing agent, surface modifier, resin processing performance, mobile performance can be improved, therefore have
There is better processing performance.
As seen from Table 1, the nontoxic nylon material antibacterial and deodouring effect of permanent antibacterial and mouldproof that prepared by the embodiment of the present invention
Rate reaches 99.2% or more, and Anti-mildew capability reaches 0 grade, has very excellent antibacterial and deodouring efficiency.
Nano silver and using photocatalyst of titanium dioxide be the material for air purification of base material as enter human body, be unfavorable to human body
, as seen from Table 2, the present invention shows no precipitation, illustrates nano silver and using photocatalyst of titanium dioxide as the air purification material of base material
Material is coupled by active polymethylsilsesquioxane powder and zeolite is adsorbed in plastic basis material, while the zeolite silver ion antimicrobial agent that the present invention uses
(IM10D-L) antiseptic obtains U.S. FDA certification and the registration of EPA, and NSF is international and the certification of Japan SIAA, SEK, JNLA,
Therefore the permanent nontoxic nylon material of antibacterial and mouldproof produced by the present invention is really nontoxic.
Nano silver and using photocatalyst of titanium dioxide be the material for air purification of base material without be precipitated property；Bacterium is to silver ion nonreactive
Pharmacological property, silver ion are reacted with cell endo enzyme as in Cation adsorption and the cell membrane of entrance bacterium, and protein generation is caused
It thanks to imbalance, leads to dysbolism, cell division (proliferation) function stops, after silver ion kills bacterium, from bacterial body
Interior separate out enters next bacterium, therefore no consumption；As long as using photocatalyst of titanium dioxide as the material for air purification of base material
There is sunlight that can produce the extremely strong free hydroxy of oxidability and active oxygen etc. always, it has very strong photooxidation also
Former function, it is oxidable to decompose various organic compounds and part inorganic matter, the egg of the cell membrane and solidification virus of bacterium can be destroyed
White matter can kill bacterium and decomposing organic pollutant, will not consume itself.Therefore permanent antibacterial and mouldproof produced by the present invention without
The harmless nylon material of poison has permanent antibacterial and mouldproof.
Since antibacterial and mouldproof is had excellent performance and is had permanently, and the processing performances such as mechanics are excellent, prepared by the present invention
It can be applied in building, medical treatment, automobile, electric, packaging, personal nursing and textile fabric etc. with antibacterial functions nylon material
Field, not only safety, antibacterial effect but also reliable meet people and improve the quality of living and the needs of health.
Claims (10)
1. a kind of nontoxic nylon material of permanent antibacterial and mouldproof, which is characterized in that in terms of parts by weight, by the following raw material group
At：
The dispersant is Dow corning activity polymethylsilsesquioxane powder, model RM4-7051；
When preparation, first dried by part zeolite silver ion antimicrobial agent and by the material for air purification of base material of photocatalyst of titanium dioxide,
Two kinds of substances after drying are put into high-speed mixer, the dispersant of 0.1-0.4 parts by weight is added, are uniformly mixed to obtain A objects
Material；
Then nylon is dried for standby；By the dispersion of the nylon of drying, antioxidant, uvioresistant auxiliary agent and 0.1-0.4 parts by weight
Agent is added in high-speed mixer, is blended, stirs evenly, obtain B materials；
B materials are added from the main spout of double Luo bars extruders finally, A materials are added from the side spout of double Luo bars extruders
Enter, the nylon melting mixing in double screw extruder, the nontoxic nothing of permanent antibacterial and mouldproof is made in water cooled, tie rod, air-dried, pelletizing
Evil nylon material.
2. the nontoxic nylon material of permanent antibacterial and mouldproof according to claim 1, it is characterised in that：The nylon
For nylon 6 or nylon66 fiber.
3. the nontoxic nylon material of permanent antibacterial and mouldproof according to claim 1, it is characterised in that：The zeolite
Silver ion antimicrobial agent is purchased from clean and U.S. company of Japan, model AW10D.
4. the nontoxic nylon material of permanent antibacterial and mouldproof according to claim 1, it is characterised in that：With mass parts
Number, the material for air purification composition of raw materials using photocatalyst of titanium dioxide as base material forms, by nano-titanium dioxide 30-
40%, nano silicone diatomaceous earth 20-35%, vitamin C 2-5%, tourmaline 15-20%, yellow quartz 5-10%, binder 1-5%,
Dispersant 0.5-1.5%；When preparation, each component is proportionally uniformly mixed；Uniformly mixed material stirring dress has been put into
Hybrid reaction in the heating kettle set；Sizing is granulated in injection moulding mold；Sieving；Obtained particle is dried.
5. the nontoxic nylon material of permanent antibacterial and mouldproof according to claim 1, it is characterised in that：The antioxygen
Agent is that four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and/or three [2.4- di-tert-butyl-phenyls] are sub-
Phosphate antioxidant.
6. the nontoxic nylon material of permanent antibacterial and mouldproof according to claim 1, it is characterised in that：The anti-purple
Outside line auxiliary agent is benzotriazole.
7. the nontoxic nylon material of permanent antibacterial and mouldproof according to claim 6, it is characterised in that：Preferably, institute
Uvioresistant the selection of auxiliary UV5411 or UV-234 stated.
8. the preparation method of any one of the claim 1-7 permanent nontoxic nylon materials of antibacterial and mouldproof, feature exist
In including step in detail below：
(1) first by zeolite silver ion antimicrobial agent and using photocatalyst of titanium dioxide as the material for air purification of base material 80-120 DEG C into
Two kinds of substances after drying, are then put into high-speed mixer, add the new of 0.1-0.4 parts by weight by row drying 2-4 hours
Type activity polymethylsilsesquioxane powder, temperature control at 80-115 DEG C, handle 20-30 minutes, obtain A materials；
(2) nylon is dried for standby；By the nylon of drying, the dispersant of antioxidant, uvioresistant auxiliary agent and 0.1-0.4 parts by weight
It is added in high-speed mixer, is blended, stirs evenly, obtain B materials；
(3) B materials are added from the main spout of double Luo bars extruders, A materials is added from the side spout of double Luo bars extruders
Enter, nylon passes through melting mixing in double screw extruder, then permanent antibacterial and mouldproof is made in water cooled, tie rod, air-dried, pelletizing
Nontoxic nylon material.
9. the preparation method of the nontoxic nylon material of permanent antibacterial and mouldproof according to claim 8, which is characterized in that
Described is to dry nylon 3 hours at 95 DEG C by nylon drying.
10. the preparation method of the nontoxic nylon material of permanent antibacterial and mouldproof according to claim 8, feature exist
In when nylon is nylon 6, the temperature of the melting mixing is 150-230 DEG C；When nylon is nylon66 fiber, described is molten
The temperature for melting mixing is 150-275 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810200248.0A CN108424638A (en) | 2018-03-12 | 2018-03-12 | A kind of nontoxic nylon material of permanent antibacterial and mouldproof and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111100448A (en) * | 2018-10-29 | 2020-05-05 | 合肥杰事杰新材料股份有限公司 | Anti-impact mildew-proof nylon material and preparation method thereof |
| CN111423696A (en) * | 2020-04-20 | 2020-07-17 | 同曦集团有限公司 | Antibacterial and antiviral toilet lid and preparation method thereof |
| CN115011112A (en) * | 2021-12-14 | 2022-09-06 | 富睿纺织品(上海)有限公司 | Traceable functional bio-based nylon material and preparation method thereof |
-
2018
- 2018-03-12 CN CN201810200248.0A patent/CN108424638A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111100448A (en) * | 2018-10-29 | 2020-05-05 | 合肥杰事杰新材料股份有限公司 | Anti-impact mildew-proof nylon material and preparation method thereof |
| CN111423696A (en) * | 2020-04-20 | 2020-07-17 | 同曦集团有限公司 | Antibacterial and antiviral toilet lid and preparation method thereof |
| CN115011112A (en) * | 2021-12-14 | 2022-09-06 | 富睿纺织品(上海)有限公司 | Traceable functional bio-based nylon material and preparation method thereof |
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Application publication date: 20180821 |