CN110467774A - A kind of bloom exempts from spray antimicrobial plastics and preparation method thereof - Google Patents
A kind of bloom exempts from spray antimicrobial plastics and preparation method thereof Download PDFInfo
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- CN110467774A CN110467774A CN201910726891.1A CN201910726891A CN110467774A CN 110467774 A CN110467774 A CN 110467774A CN 201910726891 A CN201910726891 A CN 201910726891A CN 110467774 A CN110467774 A CN 110467774A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0893—Zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
The present invention relates to high-molecular anti-bacteria field of material technology, and in particular to a kind of bloom exempts from spray antimicrobial plastics and preparation method thereof.Kind bloom exempts from spray antimicrobial plastics, it is formulated by weight percentage by following component: 3%-10% metal powder, 0.1%-5% carbon black or sulphur black, 0.1%-1% antioxidant, 0.1%-0.5% dispersing agent, 0.6%-1.5% bloom toner and 0.1%-1% antibacterial agent, remaining is plastic raw materials PP or ABS, the weight percent summation of each ingredient is 100%, and the metal powder is superfine aluminium power or super fine silver powder.The preparation method that the bloom exempts from spray antimicrobial plastics includes mixing, extruding, water cooling, dry injection molding.Bloom of the invention exempts from spray antimicrobial plastics later period use and is not required to spraying, single injection-molded, achieve the effect that the gorgeous flashing of no flow liner, product qualification rate is high, cost is relatively low, environmentally protective, discharge without toxic and harmful gas caused by spraying process also substantially increases the hardness and rigidity of product surface.
Description
Technical field
The present invention relates to high-molecular anti-bacteria field of material technology, and in particular to a kind of bloom exempts from spray antimicrobial plastics and its system
Preparation Method.
Background technique
As people increasingly pay attention to and pay close attention to environmental problem, the big ring such as stringent environmental regulation has been put into effect in countries in the world
Under border, in addition the embodiment of corporate social responsibility, exempts from sprayed on material product and just gradually shows its competitiveness.
Traditional plastic part can obtain the appearance of various colors after spray treatment, but spraying process is cumbersome
And it is seriously polluted., need to be by spray painting processing procedure after plastic cement products complete injection molding, however human cost and paint cost all compare
Height causes product net profit low.Currently, on the market exempt from painted plastic due to the plastic raw materials of selection and the ingredient of additive and
Ratio collocation is unreasonable, make its it is formed after injection molding exempt from painted plastic shell existing defects, case surface not only color uniformity
Generally, so that exempting from that sprayed on material color is unstable, and color difference is larger between batch and batch.
Summary of the invention
In view of the above-mentioned problems, the problem of present invention intends to solve, which is to provide a kind of bloom, exempts from spray antimicrobial plastics and its preparation side
Method greatly improves the uniformity for exempting from painted plastic surface color and promotes the metal-like of frosting.In order to realize the above mesh
, the technical solution adopted by the present invention are as follows:
A kind of bloom exempts from spray antimicrobial plastics, is formulated by weight percentage by following component: 3%-10% metal powder,
0.1%-5% carbon black or sulphur black, 0.1%-1% antioxidant, 0.1%-0.5% dispersing agent and 0.6%-1.5% bloom toner,
Remaining is plastic raw materials PP or ABS, and the weight percent summation of each ingredient is 100%.
Further, the bloom is exempted from spray antimicrobial plastics and is formulated by weight percentage by following component: 4% metal
Powder, 0.3% carbon black, 0.3% antioxidant, 0.3% dispersing agent and 0.8% bloom toner, remaining is plastic raw materials PP or ABS, respectively
The weight percent summation of ingredient is 100%.
Further, the metal powder is one of 30 μm -300 μm of partial size of aluminium powder, silver powder, bronze, zinc powder, copper powder
Or it is several, shape is sheet, silver dollar shape, rodlike or spherical.
Further, the antioxidant be from diphenylamines and its derivative and polymer, p-phenylenediamine and its derivative and
Polymer, dihydroquinoline and its derivative and polymer, 2,6- three-level butyl -4- methylphenol, bis- (3,5- three-level butyl -4-
Hydroxy phenyl) thioether, one of four (β-(3,5- three-level butyl -4- hydroxy phenyl) propionic acid) pentaerythritol esters or a variety of.
Further, the bloom toner particle diameter is 100 μm~400 μm, and the bloom toner is that mica coats bloom face
Material, the high delustering pigment of silicon dioxide coating, artificial mica coat high delustering pigment, boric acid aluminium salt coats high delustering pigment, aluminium silicate salt applies
Cover high delustering pigment, nanoscale mica coats one of high delustering pigment or a variety of.Preferably, the bloom toner particle diameter is 200 μ
m。
Further, it further includes 0.1%-1% antibacterial agent, the antibacterial agent that the bloom, which exempts from the raw material of spray antimicrobial plastics,
It is 1:(1-2 by mass ratio): nano zine oxide, chitin, the ethyl vanillin of (1-3) form.Preferably, antibacterial agent is by nanometer
Zinc oxide, chitin, ethyl vanillin are formed by the mass ratio of 1:1.2:1.5.Nano zine oxide has good ultraviolet screen
Covering property and superior antibacterial, bacteriostasis property, can be improved the antibacterial ability of PC.Chitin is as extracting from crustacean shell
Natural material is cationic natural polymer, has the function of good controlling germs/bacteria/mould.Ethyl vanillin
As the principal item of organic antibacterial agent, there is good anti-microbial property.
A kind of bloom exempts from the preparation method of spray antimicrobial plastics, comprising the following steps:
(1) raw material is weighed by weight percentage, and mixture is obtained after mixing；
(2) single screw extrusion machine is added in mixture described in step (1), obtains squeezing out material strip；
(3) extrusion material strip described in step (2) is cooled to 30 DEG C -50 DEG C through sink, is obtained through pelleter pelletizing granular
Plastics；
(4) by granulated plastic described in step (3) with drying box it is dry after injection molding, obtaining the bloom, to exempt from spraying anti-
Bacterium plastics.
Further, in step (1) mixed process use drum-type mixing machine or mixer, incorporation time 5-30 minutes.
Further, the temperature that single screw extrusion machine described in step (2) is exported from feed opening to head is divided into melten gel section
190 DEG C -210 DEG C, heavy 190 DEG C -210 DEG C of section of refining and 180 DEG C -200 DEG C of extruding zone, 220-350 revs/min of screw speed
Further, the water temperature of sink described in step (3) is not higher than 40 DEG C, 2.5-3 meters of sink length.
Further, -90 DEG C of drying box temperature 70 C described in step (4), drying time 2h-4.5h are described to be molded into
The temperature of type machine is 200 DEG C -220 DEG C.
The present invention is matched by reasonable disposition metal powder, is improved dispersed homogeneous degree of the metal powder in plastic raw materials, is reached
Effect without the gorgeous flashing of flow liner.Bloom of the invention exempts from spray antimicrobial plastics later period use and is not required to spraying, single injection-molded,
Product qualification rate is high, cost is relatively low, environmentally protective, and the discharge of toxic and harmful gas caused by no spraying process also greatly improves
The hardness and rigidity of product surface；The wherein reasonably combined addition of metal powder, carbon black and antioxidant, making it not only has preferably
Metal-like, there are also preferable color uniformity；Reasonable dispersing agent configuration, can be further improved color uniformity, has
Effect avoids the occurrence of the phenomenon that reducing shrink mark, current mark and weld bond；The reasonable disposition of bloom toner can be improved sense organ degree；Antibacterial
The addition of agent improves the antibacterial ability of product.Therefore exempting from spray antimicrobial plastics using the bloom that the present invention manufactures can big face
Product is promoted and replaces traditional sprayed product, and is widely used in the fields such as household electrical appliances, automobile.
Specific embodiment
Below in conjunction with specific embodiment, clear, complete description is carried out to technical solution of the present invention, it is clear that retouched
The embodiment stated is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those skilled in the art all other embodiment obtained without making creative work belongs to this
The protection scope of invention.
Embodiment 1
A kind of bloom exempts from spray antimicrobial plastics, is formulated by weight percentage by following component: 4% metal powder, 0.3%
Carbon black, 0.3% antioxidant, 0.3% dispersing agent, 0.8% bloom toner and 0.1% antibacterial agent, remaining be plastic raw materials PP, respectively at
The weight percent summation divided is 100%；The metal powder is 300 μm of flake aluminums of partial size, the antioxidant diphenylamines polymerization
Object, the bloom toner are that 100 μm of micas of partial size coat high delustering pigment, the nano oxygen that the antibacterial agent is 1:1:1 by mass ratio
Change zinc, chitin, ethyl vanillin composition.
A kind of bloom exempts from the preparation method of spray antimicrobial plastics, comprising the following steps:
(1) raw material is weighed by weight percentage, is mixed through drum-type mixing machine and is obtained mixture after twenty minutes；
(2) single screw extrusion machine is added in mixture described in step (1), obtains squeezing out material strip, the single screw rod squeezes out
The temperature that machine is exported from feed opening to head is divided into 200 DEG C of melten gel section, sinks and refine 195 DEG C of section and 190 DEG C of extruding zone, screw speed
300 revs/min.
(3) extrusion material strip described in step (2) is cooled to 45 DEG C through sink, obtains granulated plastic through pelleter pelletizing；
20 DEG C of the water temperature of the sink, 3 meters of sink length.
(4) by granulated plastic drying box described in step (3) at 90 DEG C after dry 3h through injection moulding machine at 220 DEG C
Lower injection molding obtains the bloom and exempts from spray antimicrobial plastics.
Embodiment 2
A kind of bloom exempts from spray antimicrobial plastics, is formulated by weight percentage by following component: 6% metal powder, 5% charcoal
Black, 1% antioxidant, 0.1% dispersing agent, 0.6% bloom toner and 0.1% antibacterial agent, remaining is plastic raw materials PP, each ingredient
Weight percent summation is 100%；The rodlike silver powder that the metal powder is 50 μm of partial size, the antioxidant are 2,6- three-level fourth
Base -4- methylphenol, the bloom toner are 100 μm of high delustering pigments of silicon dioxide coating of partial size, and the antibacterial agent is by mass ratio
It is formed for the nano zine oxide, chitin, ethyl vanillin of 1:1.5:3.
A kind of bloom exempts from the preparation method of spray antimicrobial plastics, comprising the following steps:
(1) raw material is weighed by weight percentage, obtains mixture after mixer is mixed 30 minutes；
(2) single screw extrusion machine is added in mixture described in step (1), obtains squeezing out material strip, the single screw rod squeezes out
The temperature that machine is exported from feed opening to head is divided into 210 DEG C of melten gel section, sinks and refine 205 DEG C of section and 180 DEG C of extruding zone, screw speed
350 revs/min.
(3) extrusion material strip described in step (2) is cooled to 45 DEG C through sink, obtains granulated plastic through pelleter pelletizing；
35 DEG C of the water temperature of the sink, 3 meters of sink length.
(4) by granulated plastic drying box described in step (3) at 80 DEG C after dry 2h through injection moulding machine at 200 DEG C
Lower injection molding obtains the bloom and exempts from spray antimicrobial plastics.
Embodiment 3
A kind of bloom exempts from spray antimicrobial plastics, is formulated by weight percentage by following component: 3% metal powder, 0.1%
Carbon black, 0.1% antioxidant, 0.1% dispersing agent, 1.5% bloom toner and 0.5% antibacterial agent, remaining is plastic raw materials ABS, respectively
The weight percent summation of ingredient is 100%, the spherical zinc powder that the metal powder is 30 μm of partial size, and the antioxidant is 2,6- tri-
Grade butyl -4- methylphenol, the bloom toner are the high delustering pigment of silicon dioxide coating, and the antibacterial agent is 1:2 by mass ratio:
1.5 nano zine oxide, chitin, ethyl vanillin composition.
A kind of bloom exempts from the preparation method of spray antimicrobial plastics, comprising the following steps:
(1) raw material is weighed by weight percentage, obtains mixture after mixer is mixed 30 minutes；
(2) single screw extrusion machine is added in mixture described in step (1), obtains squeezing out material strip, the single screw rod squeezes out
The temperature that machine is exported from feed opening to head is divided into 210 DEG C of melten gel section, sinks and refine 205 DEG C of section and 180 DEG C of extruding zone, screw speed
350 revs/min.
(3) extrusion material strip described in step (2) is cooled to 45 DEG C through sink, obtains granulated plastic through pelleter pelletizing；
35 DEG C of the water temperature of the sink, 3 meters of sink length.
(4) by granulated plastic drying box described in step (3) at 80 DEG C after dry 2h through injection moulding machine at 200 DEG C
Lower injection molding obtains the bloom and exempts from spray antimicrobial plastics.
Embodiment 4
A kind of bloom exempts from spray antimicrobial plastics, is formulated by weight percentage by following component: 10% metal powder, 2%
Carbon black, 0.5% antioxidant, 0.5% dispersing agent, 0.8% bloom toner and 1% antibacterial agent, remaining is plastic raw materials PP, each ingredient
Weight percent summation be 100%, the metal powder is 200 μm of partial size of flake silver powder, and the antioxidant is bis- (3,5- tri-
Grade butyl -4- hydroxy phenyl) thioether, the bloom toner is that 400 μm of boric acid aluminium salts of partial size coat high delustering pigment, the antibacterial agent
It is made of nano zine oxide, chitin, ethyl vanillin that mass ratio is 1:1.2:1.5.
A kind of bloom exempts from the preparation method of spray antimicrobial plastics, comprising the following steps:
(1) raw material is weighed by weight percentage, is mixed through mixer and is obtained mixture after five minutes；
(2) single screw extrusion machine is added in mixture described in step (1), obtains squeezing out material strip, the single screw rod squeezes out
The temperature that machine is exported from feed opening to head is divided into 190 DEG C of melten gel section, sinks and refine 195 DEG C of section and 200 DEG C of extruding zone, screw speed
220 revs/min.
(3) extrusion material strip described in step (2) is cooled to 25 DEG C through sink, obtains granulated plastic through pelleter pelletizing；
10 DEG C of the water temperature of the sink, 2.5 meters of sink length.
(4) by granulated plastic drying box described in step (3) at 70 DEG C after dry 4.5h through injection moulding machine 220
It is molded at DEG C, obtains the bloom and exempt from spray antimicrobial plastics.
Embodiment 5
Compared with Example 1, the present embodiment difference is only that: the mica coating that the bloom toner is 200 μm of partial size is high
Delustering pigment.
The embodiment 1-5 bloom prepared is exempted from into the glossiness of spray antimicrobial plastics and antibiotic property is tested, wherein gloss
Degree is by 60 ° of method tests, glossometer title: miniature three angles glossometer, model BYK4446；Antibiotic property is tested according to QB/
T2591-2003 " antibiotic plastic test method of antibacterial performance and antibacterial effect ", detection are Escherichia coli ATCC25922 with bacterium, are surveyed
Test result is as follows:
| Group | Glossiness (60 °) | Antibiotic property % |
| Embodiment 1 | 96.3 | 93.4 |
| Embodiment 2 | 91.7 | 90.7 |
| Embodiment 3 | 99.5 | 95.3 |
| Embodiment 4 | 97.2 | 98.2 |
| Embodiment 5 | 104.6 | 93.1 |
According to result above, the addition of bloom toner of the present invention can effectively improve the glossiness of product, especially partial size 200
μm mica coat high delustering pigment and promote that effect is best, and product surface flow liner is less, and flicker effect is more to the glossiness of product
It is gorgeous；The addition of antibacterial agent of the present invention can promote the antibiotic property of product, and antibacterial agent preferred mass is than the nano oxygen for 1:1.2:1.5
Change zinc, chitin, ethyl vanillin aldehyde mixture.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
Used herein a specific example illustrates the principle and implementation of the invention, the explanation of above example
Method and its core concept of the invention are merely used to help understand, the above is only a preferred embodiment of the present invention, are answered
When pointing out due to the finiteness of literal expression, and objectively there is unlimited specific structure, for the common skill of the art
For art personnel, without departing from the principle of the present invention, several improvement, retouching or variation can also be made, can also incited somebody to action
Above-mentioned technical characteristic is combined in the right way；These improve retouching, variation or combination, or the not improved structure by invention
Think and technical solution directly applies to other occasions, is regarded as protection scope of the present invention.
Claims (10)
1. a kind of bloom exempts from spray antimicrobial plastics, which is characterized in that be formulated by weight percentage by following component: 3%-
10% metal powder, 0.1%-5% carbon black or sulphur black, 0.1%-1% antioxidant, 0.1%-0.5% dispersing agent and 0.6%-
1.5% bloom toner, remaining is plastic raw materials PP or ABS, and the weight percent summation of each ingredient is 100%.
2. bloom according to claim 1 exempts from spray antimicrobial plastics, which is characterized in that by weight percentage by following component
Be formulated: 4% metal powder, 0.3% carbon black, 0.3% antioxidant, 0.3% dispersing agent and 0.8% bloom toner, remaining is modeling
Expect raw material PP or ABS, the weight percent summation of each ingredient is 100%.
3. bloom according to claim 1 exempts from spray antimicrobial plastics, which is characterized in that the metal powder be 30 μm of partial size~
One or more of 300 μm of aluminium powder, silver powder, bronze, zinc powder, copper powder, shape is sheet, silver dollar shape, rodlike or spherical.
4. bloom according to claim 1 exempts from spray antimicrobial plastics, which is characterized in that the antioxidant be from diphenylamines and
Its derivative and polymer, p-phenylenediamine and its derivative and polymer, dihydroquinoline and its derivative and polymer, 2,6- tri-
Grade butyl -4- methylphenol, bis- (3,5- three-level butyl -4- hydroxy phenyl) thioethers, four (β-(3,5- three-level butyl -4- hydroxy benzenes
Base) propionic acid) one of pentaerythritol ester or a variety of.
5. bloom according to claim 1 exempts from spray antimicrobial plastics, which is characterized in that the bloom toner particle diameter is 100 μ
M~400 μm, the bloom toner are that mica coats high delustering pigment, the high delustering pigment of silicon dioxide coating, artificial mica coating bloom
Pigment, boric acid aluminium salt coat high delustering pigment, aluminium silicate salt coats high delustering pigment, nanoscale mica coats one of high delustering pigment
Or it is a variety of.
6. the preparation method that a kind of bloom exempts from spray antimicrobial plastics, which comprises the following steps:
(1) raw material is weighed by weight percentage, and mixture is obtained after mixing；
(2) single screw extrusion machine is added in mixture described in step (1), obtains squeezing out material strip；
(3) extrusion material strip described in step (2) is cooled to 30 DEG C -50 DEG C through sink, obtains granulated plastic through pelleter pelletizing；
(4) it by injection molding after the drying box drying of granulated plastic described in step (3), obtains the bloom and exempts from spray antimicrobial modeling
Material.
7. preparation method according to claim 6, which is characterized in that mixed process uses drum-type mixing in step (1)
Machine or mixer, incorporation time 5-30 minutes.
8. preparation method according to claim 6, which is characterized in that single screw extrusion machine described in step (2) is from charging
Mouth is divided into 190 DEG C -210 DEG C of melten gel section to the temperature that head exports, sinks and refine 190 DEG C -210 DEG C of section and 180 DEG C -200 DEG C of extruding zone,
220-350 revs/min of screw speed.
9. preparation method according to claim 6, which is characterized in that the water temperature of sink described in step (3) is not higher than 40
DEG C, 2.5-3 meters of sink length.
10. preparation method according to claim 6, which is characterized in that drying box temperature 70 C -90 described in step (4)
DEG C, drying time 2h-4.5h, the temperature of the injection moulding machine is 200 DEG C -220 DEG C.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114702866A (en) * | 2022-03-01 | 2022-07-05 | 江苏凯乐迪新材料科技有限公司 | Water-based anticorrosive paint |
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Application publication date: 20191119 |