CN109370396A - A kind of preparation method of high intensity radiation shielding coating - Google Patents
A kind of preparation method of high intensity radiation shielding coating Download PDFInfo
- Publication number
- CN109370396A CN109370396A CN201811013459.XA CN201811013459A CN109370396A CN 109370396 A CN109370396 A CN 109370396A CN 201811013459 A CN201811013459 A CN 201811013459A CN 109370396 A CN109370396 A CN 109370396A
- Authority
- CN
- China
- Prior art keywords
- temperature
- radiation shielding
- shielding coating
- preparation
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
-
- 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
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Abstract
The present invention relates to a kind of preparation methods of high-intensitive radiation shielding coating, belong to technical field of paint preparation.The present invention impregnates bamboo chip in lye high temperature, separate the bamboo fibre in bamboo chip, isolated plant fiber is mixed with ferric chloride solution again, therefore nano iron oxide is filled in carbon fiber pipe and is adsorbed in carbon fiber surface, carbon fiber has good mechanical property, the present invention mixes the carbon fiber for adhering to iron oxide with soybean lecithin, it is put into after mixing in greenhouse and carries out microculture, rancid decomposition is carried out after culture in the absence of oxygen, decompose organic principle in soybean lecithin, make phenyl, epoxy group, ester group, carboxyl and hydroxyl are separated and are adsorbed in carbon fiber and iron oxide surface, using these bond energys enhancing coating to the bonding adsorption effect of substrate, chelation chelates ferric ions can also be utilized, it is highly dispersed in iron ion in radiation shielding coating, to enhance the shielding property of coating, have Wide application prospect.
Description
Technical field
The present invention relates to a kind of preparation methods of high-intensitive radiation shielding coating, belong to technical field of paint preparation.
Background technique
Electromagnetic radiation has six big harm: it is one of the reason of causing children's cases with leukemia.Cancer can be induced and accelerated
The cancer cell multiplication of human body.Influence human reproductive systems.Cause children's intelligence incomplete.Influence the cardiovascular system of people.To people
Vision system have adverse effect.
Radiation shielding coating is mainly a kind of stealthy coating technology according to military aircraft, through matching to ferrite wave-absorbing material
Fang Chongxin compatibility, the high-tech patented product for being suitble to civilian anti-electromagnetic radiation developed, it is a kind of aqueous, environmental protective, can absorb
The sapecial coating of electromagnetic wave can purify and establish healthy solenoid wave space, ensure human body and electronic equipment not by hurt of electromagnetic wave
And interference.Suitable for following occasion: occasion, the electrical equipment of computer equipment for having the family of more household electrical appliance, electronic equipment more are close
Occasion, various kinds of equipment control room, medical institutions and the hospital of collection, R&D institution, the building near transmitting base station, to environment and strong
The more demanding enterprise of health, military use.
The surface metal shell of metal surface shell or all kinds of radiators for electronic and electrical equipment, due to long-term sudden and violent
Dew is in air, it is easy to and by the erosion of oxygen in air and moisture content, and corruption occurs and gets rusty, the shadow that gets rusty of metal surface shell
Ring the normal work and appearance looks elegant of these electronic and electrical equipments or all kinds of radiators etc..Therefore it needs to its metal shell
Carry out the cladding protection of coating.However, the common coating of tradition is usually the higher insulator coating of resistivity, so that this electronics is electric
Device equipment or spreader surface shell can slowly add up electrostatic during routine use, contact side with surface metal shell
Coating on electrostatic energy be transmitted on surface metal shell quickly, then underground is transferred to by ground connection, and contacts one with air
The coating of side then due to the insulating properties of coating is difficult that electrostatic is conducted and dissipated, and can only accumulate gradually, more it is long-pending the more, finally very
To will appear electric discharge phenomena, the normal use of electronic and electrical equipment and the safety of user so will affect.
Currently, reducing the conventional method of electromagnetic radiation is: metal plating layer coats the dope layer containing metal powder, makes
With anti-electromagnetic radiation pad pasting.Although these above-mentioned methods can reduce electromagnetic radiation to a certain extent, these methods are all
It cannot be to being shown in wearable electronic product, 3C electronic product, smart electronics product, automobile display unit, household electrical appliances display unit
Electromagnetic radiation caused by shielding effectively is shielded.At present radiation shielding coating there are poor mechanical property cause coating it is not wear-resisting,
Shock resistance is poor, and existing radiation shielding coating bond effect is bad leads to that coating is easy to fall off, is not easy the defect adhered to.Cause
This, inventing a kind of high-intensitive radiation shielding coating has positive effect to technical field of paint preparation.
Summary of the invention
The technical problems to be solved by the invention: for current radiation shielding coating poor mechanical property cause coating it is not wear-resisting,
Shock resistance is poor, and existing radiation shielding coating bond effect is bad leads to that coating is easy to fall off, is not easy the defect adhered to, provides
A kind of preparation method of high-intensitive radiation shielding coating.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of preparation method of high intensity radiation shielding coating, it is characterised in that specific preparation step are as follows:
(1) by bamboo chip and sodium hydroxide solution investment beaker, heated at constant temperature in water-bath, mistake after heating are placed the beaker
Filter obtains filter residue, is put into pulverizer after 3~5 times crushes wash with distilled water, and crushing is placed in baking oven dry, and solid is made
Product；
(2) it will be uniformly mixed in above-mentioned solid product and ferric chloride solution 1:20 in mass ratio investment single-necked flask, mixing is backward
It is filled with nitrogen discharge air in three-necked flask, stands 12~13h under nitrogen atmosphere, filter cake is obtained by filtration after standing, uses hydrogen-oxygen
Change sodium solution and impregnate filter cake, vibrates and alkaline filter residue is obtained by filtration；
(3) alkaline filter residue is put into Muffle furnace, nitrogen is continually fed into Muffle furnace, increased after being passed through 30~40min of nitrogen
Calcined product is made in temperature in Muffle furnace, high-temperature calcination, will mix in calcined product and soybean lecithin 1:5 in mass ratio investment beaker
It closes uniformly, mixture is made；
(4) said mixture is put into glass culture dish, glass culture dish is placed in a greenhouse standing, is sealed after standing
Culture dish stands 6~8 days under room temperature, glass culture dish is placed in baking oven after standing it is dry, it is dry after successively with anhydrous
Ethyl alcohol and distilled water clean 4~8 obtained reaction products；
(5) according to parts by weight, weigh 6~8 parts of above-mentioned reaction products, 1.0~1.3 parts of talcum powder, 0.6~0.8 part of mica powder,
35~38 parts of polyurethane resins, 2.0~2.5 parts of vinylsiloxanes and 15~18 parts of 1- propyl alcohol are put into reaction kettle, with stirring
40~60min is mixed with the revolving speed of 400~500r/min in device, and high intensity radiation shielding coating is made.
The mass fraction of sodium hydroxide solution as described in step (1) is 10~15%, and the bath temperature in water-bath is
80~90 DEG C, the heated at constant temperature time is 5~6h, and the temperature in baking oven is 105~110 DEG C, and drying time is 12~14h.
The mass fraction of ferric chloride solution described in step (2) is 10~15%, and the mass fraction of sodium hydroxide solution is
2~4%, frequency of oscillation is 40~45kHz, and duration of oscillation is 5~6h.
It is 80~100mL/min that nitrogen rate is passed through in Muffle furnace described in step (3), and temperature is increased in Muffle furnace
330~350 DEG C, the high-temperature calcination time is 2~3h.
Temperature in greenhouse described in step (4) is 40~45 DEG C, and relative air humidity is 70~90%, in the greenhouse
Time of repose is 2~3 days, and time of repose is 6~8 days under room temperature, and the temperature in baking oven is 105~110 DEG C, drying time 24
~26h.
The revolving speed of blender described in step (5) is 400~500r/min, and mixing time is 40~60min.
The method have the benefit that:
(1) present invention first impregnates bamboo chip in lye high temperature, takes out after immersion and crushes dry obtained solid product, then will consolidate
Body product is mixed with ferric chloride solution, is filtered after mixing and is reacted with sodium hydroxide solution, lye filter residue is obtained by filtration after reaction,
Then lye filter residue is put into the calcining of Muffle furnace high temperature, calcined product is mixed with soybean lecithin after calcining, is put into after mixing
It ferments in greenhouse rancid, reaction product is made after dry, finally mixes reaction product with polyurethane resin and other auxiliary agents
High intensity radiation shielding coating is made, the present invention impregnates bamboo chip in lye high temperature, and the bamboo fibre in bamboo chip is separated, then
Isolated plant fiber is mixed with ferric chloride solution, so that iron ion is adsorbed in bamboo fibre surface, adds sodium hydroxide
It is reacted with iron ion, generates iron hydroxide, bamboo fibre is then put into the calcining of Muffle furnace high temperature, makes the hydrogen-oxygen on bamboo fibre surface
Change iron and react the nano oxidized iron particle of generation at high temperature, while bamboo fiber charcoal metaplasia, at carbon fiber, bamboo fibre is tubular structure,
Therefore nano iron oxide is filled in carbon fiber pipe and is adsorbed in carbon fiber surface, and carbon fiber has good mechanical property, knot
Closing nano iron oxide makes carbon fiber have good anti-electromagnetic radiation performance, while nano iron oxide also contributes to improving anti-spoke
Penetrate the mechanical property of coating；
(2) present invention mixes the carbon fiber for adhering to iron oxide with soybean lecithin, and progress microorganism training in greenhouse is put into after mixing
It supports, carries out rancid decomposition after culture in the absence of oxygen, decompose organic principle in soybean lecithin, make phenyl, epoxy
Carbon fiber and iron oxide surface are separated and are adsorbed in group, ester group, carboxyl and hydroxyl, by covalent bond, hydrogen bond and
Organic matter and carbon fiber is firmly combined in ionic bond, and using these bond energys enhancing coating to the bonding adsorption effect of substrate, also
Chelation chelates ferric ions can be utilized, are highly dispersed in iron ion in radiation shielding coating, to enhance the anti-radiation performance of coating
Can, it has broad application prospects.
Specific embodiment
The sodium hydroxide solution that bamboo chip and mass fraction are 10~15% is put into beaker, bath temperature is placed the beaker
For in 80~90 DEG C of water-baths, filter residue is obtained by filtration in 5~6h of heated at constant temperature after heating, 3~5 times wash with distilled water
After be put into pulverizer and crush, crushing is placed in baking oven, and dry 12~14h, is made solid under conditions of 105~110 DEG C
Product；The ferric chloride solution 1:20 in mass ratio that above-mentioned solid product and mass fraction are 10~15% is put into single-necked flask
It is uniformly mixed, is filled with nitrogen discharge air after mixing into three-necked flask, stands 12~13h, mistake after standing under nitrogen atmosphere
Filter obtains filter cake, filter cake is impregnated with the sodium hydroxide solution that mass fraction is 2~4%, under conditions of frequency is 40~45kHz
5~6h is vibrated, alkaline filter residue is obtained by filtration after oscillation；Alkaline filter residue is put into Muffle furnace, into Muffle furnace with 80~
The rate of 100mL/min is continually fed into nitrogen, is passed through after 30~40min of nitrogen and increases in Muffle furnace temperature to 330~350 DEG C,
Calcined product is made after 2~3h of high-temperature calcination, will be mixed in calcined product and soybean lecithin 1:5 in mass ratio investment beaker
It is even, mixture is made；Said mixture is put into glass culture dish, glass culture dish is placed in a greenhouse, is 40 in temperature
~45 DEG C, relative air humidity stands 2~3 days under conditions of being 70~90%, seals culture dish after standing, quiet under room temperature
It sets 6~8 days, glass culture dish is placed in baking oven after standing, dry 24 under conditions of temperature is 105~110 DEG C~
26h successively cleans 4~8 obtained reaction products with dehydrated alcohol and distilled water after dry；According to parts by weight, 6~8 are weighed
The above-mentioned reaction product of part, 1.0~1.3 parts of talcum powder, 0.6~0.8 part of mica powder, 35~38 parts of polyurethane resins, 2.0~2.5
Part vinylsiloxane and 15~18 parts of 1- propyl alcohol are put into reaction kettle, are mixed with blender with the revolving speed of 400~500r/min
40~60min is stirred, high intensity radiation shielding coating is made.
Example 1
The sodium hydroxide solution that bamboo chip and mass fraction are 10% is put into beaker, placing the beaker bath temperature is 80 DEG C
In water-bath, filter residue is obtained by filtration in heated at constant temperature 5h after heating, is put into pulverizer after 3 times crushes wash with distilled water,
Crushing is placed in baking oven, and dry 12h, is made solid product under conditions of 105 DEG C；By above-mentioned solid product and mass fraction
To be uniformly mixed in 10% ferric chloride solution 1:20 in mass ratio investment single-necked flask, nitrogen is filled with after mixing into three-necked flask
Air is discharged in gas, stands 12h under nitrogen atmosphere, filter cake is obtained by filtration after standing, and the sodium hydroxide for being 2% with mass fraction is molten
Liquid impregnates filter cake, vibrates 5h under conditions of frequency is 40kHz, alkaline filter residue is obtained by filtration after oscillation；Alkaline filter residue is put into
In Muffle furnace, nitrogen is continually fed into the rate of 80mL/min into Muffle furnace, increases Muffle furnace medium temperature after being passed through nitrogen 30min
Calcined product is made to 330 DEG C in degree after high-temperature calcination 2h, will be in calcined product and soybean lecithin 1:5 in mass ratio investment beaker
It is uniformly mixed, mixture is made；Said mixture is put into glass culture dish, glass culture dish is placed in a greenhouse, in temperature
Degree is 40 DEG C, and relative air humidity stands 2 days under conditions of being 70%, and culture dish is sealed after standing, stands 6 days under room temperature,
Glass culture dish is placed in baking oven after standing, drying for 24 hours, successively uses nothing after dry under conditions of temperature is 105 DEG C
Water-ethanol and distilled water clean 4 obtained reaction products；According to parts by weight, 6 parts of above-mentioned reaction products, 1.0 parts of talcums are weighed
Powder, 0.6 part of mica powder, 35 parts of polyurethane resins, 2.0 parts of vinylsiloxanes and 15 parts of 1- propyl alcohol are put into reaction kettle, with stirring
It mixes device and 40min is mixed with the revolving speed of 400r/min, high intensity radiation shielding coating is made.
Example 2
The sodium hydroxide solution that bamboo chip and mass fraction are 12% is put into beaker, placing the beaker bath temperature is 85 DEG C
In water-bath, filter residue is obtained by filtration in heated at constant temperature 5.5h after heating, is put into powder in pulverizer after 4 times wash with distilled water
Broken, crushing is placed in baking oven, and dry 13h, is made solid product under conditions of 1.7 DEG C；By above-mentioned solid product and quality
The ferric chloride solution 1:20 in mass ratio that score is 12% puts into single-necked flask and is uniformly mixed, and fills after mixing into three-necked flask
Enter nitrogen discharge air, stands 12.5h under nitrogen atmosphere, filter cake is obtained by filtration after standing, the hydrogen-oxygen for being 3% with mass fraction
Change sodium solution and impregnate filter cake, vibrates 5.5h under conditions of frequency is 42kHz, alkaline filter residue is obtained by filtration after oscillation；It will be alkaline
Filter residue is put into Muffle furnace, is continually fed into nitrogen into Muffle furnace with the rate of 90mL/min, increases horse after being passed through nitrogen 35min
Not calcined product is made, by calcined product and soybean lecithin 1:5 in mass ratio to 340 DEG C in temperature in furnace after high-temperature calcination 2.5h
It puts into beaker and is uniformly mixed, mixture is made；Said mixture is put into glass culture dish, glass culture dish is placed in temperature
It is 42 DEG C in temperature in room, relative air humidity stands 2 days under conditions of being 75%, and culture dish, room temperature are sealed after standing
It is lower to stand 7 days, glass culture dish is placed in baking oven after standing, dry 25h, dry under conditions of temperature is 1.7 DEG C
6 obtained reaction products successively are cleaned with dehydrated alcohol and distilled water afterwards；According to parts by weight, weigh 7 parts of above-mentioned reaction products,
1.2 parts of talcum powder, 0.7 part of mica powder, 37 parts of polyurethane resins, 2.2 parts of vinylsiloxanes and 17 parts of 1- propyl alcohol are put into reaction
In kettle, 45min is mixed with the revolving speed of 450r/min with blender, high intensity radiation shielding coating is made.
Example 3
The sodium hydroxide solution that bamboo chip and mass fraction are 15% is put into beaker, placing the beaker bath temperature is 90 DEG C
In water-bath, filter residue is obtained by filtration in heated at constant temperature 6h after heating, is put into pulverizer after 5 times crushes wash with distilled water,
Crushing is placed in baking oven, and dry 14h, is made solid product under conditions of 110 DEG C；By above-mentioned solid product and mass fraction
To be uniformly mixed in 15% ferric chloride solution 1:20 in mass ratio investment single-necked flask, nitrogen is filled with after mixing into three-necked flask
Air is discharged in gas, stands 13h under nitrogen atmosphere, filter cake is obtained by filtration after standing, and the sodium hydroxide for being 4% with mass fraction is molten
Liquid impregnates filter cake, vibrates 6h under conditions of frequency is 45kHz, alkaline filter residue is obtained by filtration after oscillation；Alkaline filter residue is put into
In Muffle furnace, nitrogen is continually fed into the rate of 100mL/min into Muffle furnace, is increased in Muffle furnace after being passed through nitrogen 40min
Calcined product is made to 350 DEG C in temperature after high-temperature calcination 3h, calcined product and soybean lecithin 1:5 in mass ratio are put into beaker
In be uniformly mixed, be made mixture；Said mixture is put into glass culture dish, glass culture dish is placed in a greenhouse,
Temperature is 45 DEG C, and relative air humidity stands 3 days under conditions of being 90%, and culture dish is sealed after standing, stands 8 under room temperature
Glass culture dish, is placed in baking oven by it after standing, and dry 26h, is successively used after dry under conditions of temperature is 110 DEG C
Dehydrated alcohol and distilled water clean 8 obtained reaction products；According to parts by weight, 8 parts of above-mentioned reaction products, 1.3 parts of cunnings are weighed
Mountain flour, 0.8 part of mica powder, 38 parts of polyurethane resins, 2.5 parts of vinylsiloxanes and 18 parts of 1- propyl alcohol are put into reaction kettle, are used
60min is mixed with the revolving speed of 500r/min in blender, and high intensity radiation shielding coating is made.
Comparative example
High-intensitive radiation protection produced by the present invention is applied as a comparison case with the high-intensitive radiation shielding coating of Shanghai company production
High-intensitive radiation shielding coating in material and comparative example carries out performance detection, and testing result is as shown in table 1:
Test method:
Impact resistance test is detected using GB1732-79 " paint film impact resistance measuring method ".
Abrasive size test is detected using abrasive grain machinery instrument, and abrasive size is bigger, and wear-resisting property is higher.
Wear-resisting revolution test method: according to national standards, the coating in example 1~3 and comparative example is spread evenly across modeling
On flitch, the coating in example 1~3 and comparative example is tested with 180 mesh sand paper, every 500 conversion one, sand paper.It measures last
Wear-resisting revolution.
The hardness of hardness test pencil indicates.
Adhesive force is tested by GB1720-79(scratch) standard detected.
Radiation absorption ratio testing is detected by 14583 standard of GBT.
1 radiation shielding coating performance measurement result of table
| Test item | Example 1 | Example 2 | Example 3 | Comparative example |
| Impact resistance (kg/cm) | 62 | 63 | 65 | 40 |
| Abrasive size (mesh) | 200 | 202 | 205 | 155 |
| Wear-resisting revolution (r) | 9000 | 9100 | 9200 | 6400 |
| Pencil hardness | 4H | 5H | 5H | 2H |
| Adhesive force (grade) | 1 | 0 | 0 | 4 |
| Radiation absorption ratio (watt/KG) | 1.32 | 1.30 | 1.29 | 1.98 |
Reach 200 mesh or more according to the high-intensitive radiation shielding coating abrasive size produced by the present invention of data among the above, it is wear-resisting
Revolution reaches 9200 turns, and hardness has reached 5H, and wear-resisting property is good, good impact resistance, and adhesive force is good, and coating is not easily to fall off, anti-spoke
It is good to penetrate effect, has broad application prospects.
Claims (6)
1. a kind of preparation method of high intensity radiation shielding coating, it is characterised in that specific preparation step are as follows:
(1) by bamboo chip and sodium hydroxide solution investment beaker, heated at constant temperature in water-bath, mistake after heating are placed the beaker
Filter obtains filter residue, is put into pulverizer after 3~5 times crushes wash with distilled water, and crushing is placed in baking oven dry, and solid is made
Product；
(2) it will be uniformly mixed in above-mentioned solid product and ferric chloride solution 1:20 in mass ratio investment single-necked flask, mixing is backward
It is filled with nitrogen discharge air in three-necked flask, stands 12~13h under nitrogen atmosphere, filter cake is obtained by filtration after standing, uses hydrogen-oxygen
Change sodium solution and impregnate filter cake, vibrates and alkaline filter residue is obtained by filtration；
(3) alkaline filter residue is put into Muffle furnace, nitrogen is continually fed into Muffle furnace, increased after being passed through 30~40min of nitrogen
Calcined product is made in temperature in Muffle furnace, high-temperature calcination, will mix in calcined product and soybean lecithin 1:5 in mass ratio investment beaker
It closes uniformly, mixture is made；
(4) said mixture is put into glass culture dish, glass culture dish is placed in a greenhouse standing, is sealed after standing
Culture dish stands 6~8 days under room temperature, glass culture dish is placed in baking oven after standing it is dry, it is dry after successively with anhydrous
Ethyl alcohol and distilled water clean 4~8 obtained reaction products；
(5) according to parts by weight, weigh 6~8 parts of above-mentioned reaction products, 1.0~1.3 parts of talcum powder, 0.6~0.8 part of mica powder,
35~38 parts of polyurethane resins, 2.0~2.5 parts of vinylsiloxanes and 15~18 parts of 1- propyl alcohol are put into reaction kettle, with stirring
40~60min is mixed with the revolving speed of 400~500r/min in device, and high intensity radiation shielding coating is made.
2. a kind of preparation method of high-intensitive radiation shielding coating according to claim 1, it is characterised in that: in step (1)
The mass fraction of the sodium hydroxide solution is 10~15%, and the bath temperature in water-bath is 80~90 DEG C, heated at constant temperature
Time is 5~6h, and the temperature in baking oven is 105~110 DEG C, and drying time is 12~14h.
3. a kind of preparation method of high-intensitive radiation shielding coating according to claim 1, it is characterised in that: in step (2)
The mass fraction of the ferric chloride solution is 10~15%, and the mass fraction of sodium hydroxide solution is 2~4%, and frequency of oscillation is
40~45kHz, duration of oscillation are 5~6h.
4. a kind of preparation method of high-intensitive radiation shielding coating according to claim 1, it is characterised in that: in step (3)
It is 80~100mL/min that nitrogen rate is passed through in the Muffle furnace, and temperature is increased to 330~350 DEG C in Muffle furnace, and high temperature is forged
The burning time is 2~3h.
5. a kind of preparation method of high-intensitive radiation shielding coating according to claim 1, it is characterised in that: in step (4)
Temperature in the greenhouse is 40~45 DEG C, and relative air humidity is 70~90%, and time of repose is 2~3 days in the greenhouse,
Time of repose is 6~8 days under room temperature, and the temperature in baking oven is 105~110 DEG C, and drying time is 24~26h.
6. a kind of preparation method of high-intensitive radiation shielding coating according to claim 1, it is characterised in that: in step (5)
The revolving speed of the blender is 400~500r/min, and mixing time is 40~60min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013459.XA CN109370396A (en) | 2018-08-31 | 2018-08-31 | A kind of preparation method of high intensity radiation shielding coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013459.XA CN109370396A (en) | 2018-08-31 | 2018-08-31 | A kind of preparation method of high intensity radiation shielding coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109370396A true CN109370396A (en) | 2019-02-22 |
Family
ID=65404806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811013459.XA Pending CN109370396A (en) | 2018-08-31 | 2018-08-31 | A kind of preparation method of high intensity radiation shielding coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109370396A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1980579A2 (en) * | 2007-04-12 | 2008-10-15 | Bayer MaterialScience LLC | Urethane acrylates for uv powder coatings |
| CN101413209A (en) * | 2008-11-12 | 2009-04-22 | 东华大学 | Method for carbon fiber surface modification of plasma coated with nano colloidal sols by plasma treatment |
| CN101864272A (en) * | 2010-05-21 | 2010-10-20 | 南京工业大学 | Microwave absorbent and electromagnetic shielding material and preparation method thereof |
| CN102330358A (en) * | 2010-07-14 | 2012-01-25 | 中原工学院 | Method for producing bamboo fiber composite material |
| CN103219118A (en) * | 2012-06-11 | 2013-07-24 | 中北大学 | High-stability magnetic functional particles and preparation method thereof |
| CN105385247A (en) * | 2015-12-18 | 2016-03-09 | 天津盛同科技有限公司 | Anti-electromagnetic radiation coating for building external wall |
| CN106751827A (en) * | 2017-01-19 | 2017-05-31 | 邓育德 | A kind of high-temperature-resistant antistatic material and preparation method thereof |
| CN107353777A (en) * | 2017-08-16 | 2017-11-17 | 苏州城邦达力材料科技有限公司 | It is electromagnetically shielded the preparation method of membrane coat and electromagnetic shielding film |
| CN108395835A (en) * | 2018-02-07 | 2018-08-14 | 湖南航天三丰科工有限公司 | A kind of multiple spectra broadband anticorrosion camouflage coating material |
-
2018
- 2018-08-31 CN CN201811013459.XA patent/CN109370396A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1980579A2 (en) * | 2007-04-12 | 2008-10-15 | Bayer MaterialScience LLC | Urethane acrylates for uv powder coatings |
| CN101413209A (en) * | 2008-11-12 | 2009-04-22 | 东华大学 | Method for carbon fiber surface modification of plasma coated with nano colloidal sols by plasma treatment |
| CN101864272A (en) * | 2010-05-21 | 2010-10-20 | 南京工业大学 | Microwave absorbent and electromagnetic shielding material and preparation method thereof |
| CN102330358A (en) * | 2010-07-14 | 2012-01-25 | 中原工学院 | Method for producing bamboo fiber composite material |
| CN103219118A (en) * | 2012-06-11 | 2013-07-24 | 中北大学 | High-stability magnetic functional particles and preparation method thereof |
| CN105385247A (en) * | 2015-12-18 | 2016-03-09 | 天津盛同科技有限公司 | Anti-electromagnetic radiation coating for building external wall |
| CN106751827A (en) * | 2017-01-19 | 2017-05-31 | 邓育德 | A kind of high-temperature-resistant antistatic material and preparation method thereof |
| CN107353777A (en) * | 2017-08-16 | 2017-11-17 | 苏州城邦达力材料科技有限公司 | It is electromagnetically shielded the preparation method of membrane coat and electromagnetic shielding film |
| CN108395835A (en) * | 2018-02-07 | 2018-08-14 | 湖南航天三丰科工有限公司 | A kind of multiple spectra broadband anticorrosion camouflage coating material |
Non-Patent Citations (3)
| Title |
|---|
| 孙晋良等: "《纤维新材料》", 31 August 2007, 上海大学出版社 * |
| 王戈等: "《竹纤维性能及其纺织加工应用》", 31 March 2017, 中国纺织出版社 * |
| 王祖鹏等: "环氧树脂/碳纤维吸波涂层电磁特性的实验研究", 《工程塑料应用》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102020899B (en) | Composite coating electromagnetic shielding paint and composite coating electromagnetic shielding material prepared therefrom | |
| CN107043134B (en) | Preparation method based on Bluetooth communication frequency range application flaky carbonyl iron powder absorbing material | |
| CN101179921B (en) | Method for preparing electromagnetic shielding light graphite based nanometer magnetic metal composite material | |
| CN107129752B (en) | A kind of graphene silver nanowires composite mortar and preparation method thereof | |
| CN104065774B (en) | A kind of Antiradiation mobile phone shell with signal enhancing function and preparation method thereof | |
| CN107418511B (en) | The preparation method of FeCo/ redox graphene composite wave-suction material | |
| CN108947376A (en) | A kind of cement mortar and preparation method thereof | |
| CN106752632A (en) | A kind of closed guard gate's electromagnetic-shielding conductive coating and preparation method thereof | |
| CN109423636A (en) | A kind of preparation method of secondary silver-plated highly conductive filler | |
| CN107652946A (en) | A kind of preparation method and applications of light porous absorbing material | |
| CN109897597A (en) | A kind of corrosion-resistant carbonyl iron/graphene composite wave-suction material preparation method for 5G mobile communication frequency range | |
| CN103773181A (en) | Magnetic-shielding conductive coating | |
| CN109370396A (en) | A kind of preparation method of high intensity radiation shielding coating | |
| CN108483506A (en) | A kind of preparation method of barium ferrite@C composite wave-suction materials | |
| CN102059731A (en) | Anti-radiation plate, manufacturing method thereof, and floor using same | |
| CN109852232A (en) | A kind of preparation method of electromagnetic screen coating | |
| CN101552044A (en) | Electromagnetic wave absorbing material used for EMC electric wave darkroom and preparation method thereof | |
| CN109119502B (en) | Photovoltaic module with electromagnetic shielding function | |
| CN102010647A (en) | Electromagnetic wave barrier coating and preparation method thereof | |
| CN109370151A (en) | A kind of preparation method of high intensity radiation protection resin composite materials | |
| CN110305429A (en) | A kind of flexibility absorbing material and preparation method thereof | |
| CN102211907A (en) | Gypsum plate capable of resisting electromagnetic radiation | |
| CN205986845U (en) | Explosion -proof anti -interference portable intercom of TDMR high frequency | |
| CN104140642B (en) | A kind of poly-(pyrroles-ethylenedioxy thiophene)/Fe3O4Complex and preparation method thereof | |
| CN108192387A (en) | A kind of composite coating and preparation method for being used to protect medium-high frequency electromagenetic wave radiation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190222 |