CN109679412A - Has silver powder effect and to the unshielded effect bumper paint of car radar and preparation method - Google Patents
Has silver powder effect and to the unshielded effect bumper paint of car radar and preparation method Download PDFInfo
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- CN109679412A CN109679412A CN201811630188.2A CN201811630188A CN109679412A CN 109679412 A CN109679412 A CN 109679412A CN 201811630188 A CN201811630188 A CN 201811630188A CN 109679412 A CN109679412 A CN 109679412A
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- 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
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/10—Esters of organic acids
- C09D101/12—Cellulose acetate
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- 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
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- 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
- C09D7/65—Additives macromolecular
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- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Paints Or Removers (AREA)
Abstract
The present invention relates to tool silver powder effect and to the unshielded effect bumper paint of car radar and preparation method, it is prepared using the raw material of following components and parts by weight content: wax additives 18-28, acrylic resin 6-9, modified poly ester 2-5, amino rheological agent 5-6, cellulose acetate 40-45, levelling agent 0.2-0.5, solvent 8-10, mica sheet 6-9, dispersing agent 0.2-0.5.Compared with prior art, the present invention uses the special mica sheet with silver powder effect as pigment, a variety of silverings of fine and smooth soft, sparkling and crystal-clear flashing are shown using the refraction and transmission of light, simultaneously because raw material is from pure natural mica sheet, with the characteristics such as nontoxic, high temperature resistant, acid and alkali-resistance, light shine, non-conductive, can completely substituted metal aluminium powder pigment can directly construct on bumper to car radar without any shielding action.
Description
Technical field
The present invention relates to paint fields, more particularly, to a kind of with silver powder effect and to the unshielded effect of car radar
Bumper paint and preparation method thereof.
Background technique
In traditional bumper paint repairing, we can encounter the car radar being embedded on bumper once repairing
After middle spray metal aluminium paint, the phenomenon that radar is unable to normal use, obviously radar but president in the case where no barrier
What reason ring alarm, caused by this is? because having sprayed silver powder paint in radar probe, due to the shielding of silver powder
Effect, affects the detection of radar, and probe sensitivity is made to change and cause failure.
So general in the processing of radar for silver powder paint there are three types of schemes: one at present in bumper repairing
It is not paint；Second is that in addition spray unshielded effect again on radar, the close plain color paint without silver powder of color；
Third is that buying the close radar button of color again, then load onto.But above scheme, to being brought in bumper mending course
Very big operation difficulty, not only increased costs, and also overall effect is bad after repairing, and radar and bumper can exist to a certain degree
Color difference.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind to have silver powder effect
And to the bumper paint and preparation method thereof of the unshielded effect of car radar.
The purpose of the present invention can be achieved through the following technical solutions:
It is a kind of with silver powder effect and to the bumper paint of the unshielded effect of car radar, including following components and parts by weight
Content:
The wax additives are ethylene-cerinic acid ethylene copolymer wax dispersion, and the directional effect of metallic pigments can be improved,
The flash effect for enhancing metallic paint, slows down the sedimentation of pigment in a reservoir, is selected from this DeuRheo 556S of commercially available hamming.
The acrylic resin is the low hydroxyl value acrylic resin of one-component.
The modified resin is anti-sagging agent modified poly ester, compatible with acetylbutyrylcellulose good, has excellent stream
Become effect, good metal sense, adhesive force and good flexibility, is selected from commercially available Niu Peisi resist sagging modified resin Setal
90173, Setalux 91715, Setalux 91795 etc..
Amino rheological agent is amino resins, there is good compatibility and acrylic resin to arrange in pairs or groups, functional group reactions are formed
Reticular structure improves the performances such as hardness, adhesive force and the chemicals-resistant of paint film, selected from commercially available profound new Setamine US 138
Deng.
The cellulose acetate be selected from commercially available model Yi Shiman CAB 531-1, CAB 381-2, CAB 381-0.5,
One or more of CAB 551-0.2.
The levelling agent is acrylic acid or silicone levelling agent.
The solvent be esters solvent, ketones solvent, aromatic hydrocarbon solvent or alcohols solvent, preferably ethyl acetate,
The one or more of butyl acetate, propylene glycol methyl ether acetate, butanone, cyclohexanone, dimethylbenzene, propyl alcohol or butanol.
The mica sheet with silver powder effect, the splitting structure coated by anatase titanium dioxide or rutile titanium dioxide
At belonging to pure natural inorganic pigment, a variety of silver color light of fine and smooth soft, sparkling and crystal-clear flashing shown using the refraction and transmission of light
Pool, can substituted metal aluminium powder pigment completely, to car radar without any shielding action, while the letter from the source of repairing spraying
Chemical industry skill, save paint, reduce cost, raising efficiency, selected from commercially available Merck Iriodin 9602, Iriodin 9605,
Iriodin 9612 etc..
The dispersing agent is organic dispersing agent, is selected from commercially available model Efka FA 4665, Efka FA 4610, Efka
One or more of PA 4401, Efka 5065.
The preparation method of bumper paint the following steps are included:
(1) it prepares resin compound A: successively putting into wax additives, acrylic resin, modified resin, amino rheological agent
Reaction kettle, 400-600rpm revolving speed stir 25-30min to uniform, then by cellulose acetate, levelling agent investment reaction kettle,
600-800rpm revolving speed disperses 25-30min, and sample detection makes fineness of materials be less than 15um, is eventually adding solvent adjustment viscosity extremely
110-130s (T-4 flow cup), obtains resin compound after filtering；
(2) it prepares silver color mica slurry B: mica sheet pigment and esters solvent is mixed, 400-600rpm revolving speed stirs 10-
Then 15min impregnates 8-10hr, obtain silver color mica slurry；
(3) it prepares silver paint products C: each component is added by formula, resin compound A is taken to be put into reaction kettle, is added and divides
Auxiliary agent is dissipated, 400-600rpm revolving speed stirs 10-15min, then keeps low shearing speed, and silver color mica slurry B is added while stirring
Into above-mentioned mixed liquor, the stirring of 600-800rpm revolving speed is lower to disperse 25-30min, is finally sticked to 110-130 seconds using solvent tune
Product is made in (flow cup/23 ± 1 DEG C T4).
Compared with prior art, the present invention uses the special mica sheet with silver powder effect as pigment, by reasonable
Design of Coatings Formulation is made.The special mica sheet is made of anatase titanium dioxide or rutile titanium dioxide cladding splitting,
A variety of silverings that fine and smooth soft, sparkling and crystal-clear flashing is shown using the refraction and transmission of light, simultaneously because raw material is from pure
Natural mica piece has the characteristics such as nontoxic, high temperature resistant, acid and alkali-resistance, light shine, non-conductive, being capable of complete substituted metal aluminium powder face
Material can directly construct to car radar without any shielding action on bumper, being different from traditional silver powder Qi Bao
In dangerous thick stick repairing, car radar to be removed first, then type selecting and bumper silver powder paint color are close, but nothing
The paint spraying of shield effectiveness is on car radar.The series mica sheet application to bumper repairing simplification technique,
Saving paints, reduces cost, raising efficiency plays very positive effect.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
A kind of bumper paint, can have silver powder effect and to the unshielded effect of car radar, by using following components
And the raw material of parts by weight content is prepared:
The wax additives used are ethylene-cerinic acid ethylene copolymer wax dispersion, and the directional effect of metallic pigments can be improved,
The flash effect for enhancing metallic paint, slows down the sedimentation of pigment in a reservoir, is selected from this DeuRheo 556S of commercially available hamming.Propylene
Acid resin is the low hydroxyl value acrylic resin of one-component.Modified resin is anti-sagging agent modified poly ester, with acetylbutyrylcellulose phase
Hold well, there is excellent rheologic effect, good metal sense, adhesive force and good flexibility, is selected from commercially available Niu Peisi resist sagging
Modified resin Setal 90173, Setalux91715, Setalux 91795 etc..Amino rheological agent is amino resins, is had very
Good compatibility and acrylic resin collocation, functional group reactions form reticular structure, improve the hardness of paint film, adhesive force and resistance to
The performances such as chemicals, selected from commercially available profound new Setamine US 138 etc..Cellulose acetate is selected from commercially available model Yi Shiman
One or more of CAB 531-1, CAB 381-2, CAB 381-0.5, CAB 551-0.2.Levelling agent is acrylic acid or has
Machine silicon class levelling agent.Solvent is esters solvent, ketones solvent, aromatic hydrocarbon solvent or alcohols solvent, preferably ethyl acetate, second
The one or more of acid butyl ester, propylene glycol methyl ether acetate, butanone, cyclohexanone, dimethylbenzene, propyl alcohol or butanol.It is imitated with silver powder
The mica sheet of fruit is made of the splitting that anatase titanium dioxide or rutile titanium dioxide coat, belongs to pure natural inorganic pigment, benefit
The refraction and transmission used up show a variety of silverings of fine and smooth soft, sparkling and crystal-clear flashing, being capable of complete substituted metal aluminium powder face
Material, to car radar without any shielding action, while from repairing spraying source on simplify technique, save paint, reduce cost,
Raising efficiency, selected from commercially available Merck Iriodin 9602, Iriodin 9605, Iriodin 9612 etc..Dispersing agent is organic
Dispersing agent is selected from one of commercially available model Efka FA 4665, Efka FA 4610, Efka PA 4401, Efka 5065
Or it is several.
The preparation method of bumper paint the following steps are included:
(1) resin compound is prepared: by wax additives, acrylic resin, modified resin, the investment reaction of amino rheological agent
Kettle, 400-600rpm revolving speed stir 25-30min to uniform, then by CAB, levelling agent investment reaction kettle, 600-800rpm revolving speed
Disperse 25-30min, sample detection makes fineness of materials be less than 15um, and being eventually adding solvent adjustment viscosity, (T-4 is viscous to 110-130s
Spend cup), resin compound is obtained after filtering；
(2) it prepares mica slurry: mica sheet and solvent is mixed, 400-600rpm revolving speed stirs 10-15min, then soaks
8-10hr is steeped, mica slurry is obtained；
(3) it prepares silver paint product: the resin compound being prepared is put into reaction kettle, dispersing aid is added,
400-600rpm revolving speed stirs 10-15min, then keeps low shearing speed, and mica slurry is added while stirring to above-mentioned mixed liquor
In, the stirring of 600-800rpm revolving speed is lower to disperse 25-30min, finally using solvent tune stick to 110-130 seconds (flow cup/23 T4 ±
1 DEG C), product is made.
More detailed case study on implementation below, by following case study on implementation further illustrate technical solution of the present invention with
And the technical effect that can be obtained.
Embodiment 1
It prepares resin compound A: taking a reactor tank, wax additives 23kg, acrylic resin are successively weighed with electronic scale
8kg, modified resin 3kg, amino rheological agent 5kg, revolving speed 400-600rpm dispersion 25-30 minutes, add CAB 531-1
Into reactor tank, revolving speed 600-800rpm disperses 25-30 minutes by 25kg, CAB 381-0.5 20kg, levelling agent 0.5kg, examines
Fineness is added butyl acetate solvent and adjusts viscosity, filtering obtains resin compound A less than 15 μm；
9602 pigments, mica 7kg of Merck Iriodin, butyl acetate 7kg are weighed, revolving speed 400-600rpm disperses 10-15 points
Then clock impregnates 8-10 hours, obtains silver color mica slurry B；
4665 0.3kg of dispersing agent Efka FA is added into resin compound A, stirs evenly；Keep low sheraing fast again
Silver color mica slurry B is added in degree while stirring；With the B attached in the butyl acetate solvent cleaning container of 1k or so, it is added together
In reactor tank, then with high speed disperser all materials are stirred 25-30 minute to uniform in 600-800rpm, addition butyl acetate
Solvent adjusts viscosity, and product is made.
By the silver powder mending paint of the mending paint of silver color mica and substitution, sprayed under same execution conditions, it is consistent in film thickness
In the case where, color contrast is carried out, as follows using 45 ° of obtained test datas of BYK colour photometer:
The color effects of silver color mica paint can complete substituted metal aluminium paint as can be seen from the above data.
Embodiment 2
It prepares resin compound A: taking a reactor tank, wax additives 23kg, acrylic resin are successively weighed with electronic scale
8kg, modified resin 3kg, amino rheological agent 5kg, revolving speed 400-600rpm dispersion 25-30 minutes, add CAB 531-1
Into reactor tank, revolving speed 600-800rpm disperses 25-30 minutes by 25kg, CAB 381-2 20kg, levelling agent 0.5kg, examines thin
Degree is added butyl acetate solvent and adjusts viscosity, filtering obtains resin compound A less than 15 μm；
9612 pigments, mica 7kg of Merck Iriodin, butyl acetate 7kg are weighed, revolving speed 400-600rpm disperses 10-15 points
Then clock impregnates 8-10 hours, obtains silver color mica slurry B；
4665 0.3kg of dispersing agent Efka FA is added into resin compound A, stirs evenly；Keep low sheraing fast again
Silver color mica slurry B is added in degree while stirring；With the B attached in the butyl acetate solvent cleaning container of 1k or so, it is added together
In reactor tank, then with high speed disperser all materials are stirred 25-30 minute to uniform in 600-800rpm, addition butyl acetate
Solvent adjusts viscosity, and product is made.
By the silver powder mending paint of the mending paint of silver color mica and substitution, sprayed under same execution conditions, it is consistent in film thickness
In the case where, color contrast is carried out, as follows using 45 ° of obtained test datas of BYK colour photometer:
The color effects of silver color mica paint can complete substituted metal aluminium paint as can be seen from the above data.
Embodiment 3:
A kind of tool silver powder effect and to the unshielded effect bumper paint of car radar, using following components and parts by weight content
Raw material be prepared: wax additives 18, acrylic resin 6, modified poly ester 2, amino rheological agent 5, cellulose acetate 40, levelling
Agent 0.2, solvent 8, mica sheet 6, dispersing agent 0.2.
In above-mentioned raw materials, the mica sheet used is the mica sheet with silver powder effect, is coated using anatase titanium dioxide
Splitting, wax additives be ethylene-cerinic acid ethylene copolymer wax dispersion, acrylic resin be one-component and solid part hydroxyl
It is worth acrylic resin of the content less than 2.0, modified poly ester is anti-sagging agent modified poly ester, and the present embodiment selects commercially available Niu Peisi
Resist sagging modified resin Setal 90173.Amino rheological agent is amino resins, selected from commercially available profound new Setamine US 138.
Cellulose acetate is selected from commercially available model Yi Shiman CAB531-1, and levelling agent is acrylic compounds levelling agent, and solvent uses acetic acid second
Ester, dispersing agent are organic dispersing agent, and the present embodiment uses the organic dispersing agent of commercially available model Efka FA 4665.
This kind of bumper paint is prepared using following steps:
(1) resin compound is prepared: by wax additives, acrylic resin, modified resin, the investment reaction of amino rheological agent
Kettle, 400rpm revolving speed stir 30min to uniform, then by cellulose acetate, levelling agent investment reaction kettle, the dispersion of 600rpm revolving speed
30min, sample detection make fineness of materials be less than 15um, are eventually adding solvent and adjust viscosity to 110s (T-4 flow cup), after filtering
Obtain resin compound；
(2) it prepares mica slurry: mica sheet and solvent is mixed, 400rpm revolving speed stirs 15min, then impregnates 8hr, obtains
To mica slurry；
(3) it prepares silver paint product: the resin compound being prepared is put into reaction kettle, dispersing aid is added,
400rpm revolving speed stirs 15min, then keeps low shearing speed, and mica slurry is added while stirring into above-mentioned mixed liquor,
The stirring of 600rpm revolving speed is lower to disperse 30min, is finally sticked to 110 seconds (flow cup/23 ± 1 DEG C T4) using solvent tune, product is made.
Embodiment 4:
A kind of tool silver powder effect and to the unshielded effect bumper paint of car radar, using following components and parts by weight content
Raw material be prepared: wax additives 20, acrylic resin 8, modified poly ester 3, amino rheological agent 5, cellulose acetate 42, levelling
Agent 0.3, solvent 9, mica sheet 7, dispersing agent 0.3.
The mica sheet used is the mica sheet with silver powder effect, and the mica coated using rutile titanium dioxide is thin
Piece, wax additives are ethylene-cerinic acid ethylene copolymer wax dispersion, and acrylic resin is one-component and solid part hydroxyl value content is small
In 2.0 acrylic resin, modified poly ester is anti-sagging agent modified poly ester, and the present embodiment is using the anti-stream of commercially available Niu Peisi
Modified resin Setalux 91715 is hung, amino rheological agent is amino resins, selected from commercially available profound new Setamine US 138.Vinegar
Acid cellulose is selected from commercially available model Yi Shiman CAB381-0.5, and levelling agent is silicone levelling agent, and solvent is propylene glycol first
Ether acetic acid ester, dispersing agent are the organic dispersing agent of commercially available model Efka FA 4610.
This kind of bumper paint is prepared using following steps:
(1) resin compound is prepared: by wax additives, acrylic resin, modified resin, the investment reaction of amino rheological agent
Kettle, 500rpm revolving speed stir 30min to uniform, then by cellulose acetate, levelling agent investment reaction kettle, the dispersion of 700rpm revolving speed
25min, sample detection make fineness of materials be less than 15um, are eventually adding solvent and adjust viscosity to 120s (T-4 flow cup), after filtering
Obtain resin compound；
(2) it prepares mica slurry: mica sheet and solvent is mixed, 500rpm revolving speed stirs 10min, then impregnates 9hr, obtains
To mica slurry；
(3) it prepares silver paint product: the resin compound being prepared is put into reaction kettle, dispersing aid is added,
500rpm revolving speed stirs 10min, then keeps low shearing speed, and mica slurry is added while stirring into above-mentioned mixed liquor,
The stirring of 700rpm revolving speed is lower to disperse 25min, is finally sticked to 120 seconds (flow cup/23 ± 1 DEG C T4) using solvent tune, product is made.
Embodiment 5:
A kind of tool silver powder effect and to the unshielded effect bumper paint of car radar, using following components and parts by weight content
Raw material be prepared: wax additives 28, acrylic resin 9, modified poly ester 5, amino rheological agent 6, cellulose acetate 45, levelling
Agent 0.5, solvent 10, mica sheet 9, dispersing agent 0.5.
The mica sheet used is the mica sheet with silver powder effect, and the mica coated using rutile titanium dioxide is thin
Piece, wax additives are ethylene-cerinic acid ethylene copolymer wax dispersion, and acrylic resin is one-component and solid part hydroxyl value content is small
In 2.0 acrylic resin, modified poly ester is anti-sagging agent modified poly ester, and the present embodiment is using the anti-stream of commercially available Niu Peisi
Modified resin Setalux 91795 is hung, amino rheological agent is amino resins, selected from commercially available profound new Setamine US 138.Vinegar
Acid cellulose is selected from the mixture of commercially available model Yi Shiman CAB381-2 and CAB 551-0.2, and levelling agent is organic silicon stream
Flat agent, solvent are cyclohexanone, and dispersing agent is the mixture of commercially available model Efka PA 4401, Efka 5065.
This kind of bumper paint is prepared using following steps:
(1) resin compound is prepared: by wax additives, acrylic resin, modified resin, the investment reaction of amino rheological agent
Kettle, 600rpm revolving speed stir 25min to uniform, then by cellulose acetate, levelling agent investment reaction kettle, the dispersion of 800rpm revolving speed
25min, sample detection make fineness of materials be less than 15um, are eventually adding solvent and adjust viscosity to 130s (T-4 flow cup), after filtering
Obtain resin compound；
(2) it preparing mica slurry: mica sheet and solvent is mixed, 600rpm revolving speed stirs 10min, 10hr is then impregnated,
Obtain mica slurry；
(3) it prepares silver paint product: the resin compound being prepared is put into reaction kettle, dispersing aid is added,
600rpm revolving speed stirs 10min, then keeps low shearing speed, and mica slurry is added while stirring into above-mentioned mixed liquor,
The stirring of 800rpm revolving speed is lower to disperse 25min, is finally sticked to 130 seconds (flow cup/23 ± 1 DEG C T4) using solvent tune, product is made.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (10)
1. a kind of tool silver powder effect and to the unshielded effect bumper paint of car radar, which is characterized in that using following components and
The raw material of parts by weight content is prepared:
Wax additives 18-28, acrylic resin 6-9, modified poly ester 2-5, amino rheological agent 5-6, cellulose acetate 40-45, stream
Flat agent 0.2-0.5, solvent 8-10, mica sheet 6-9, dispersing agent 0.2-0.5.
2. a kind of tool silver powder effect according to claim 1 and to the unshielded effect bumper paint of car radar, feature
It is, the mica sheet is the mica sheet with silver powder effect, the mica coated using anatase titanium dioxide or rutile titanium dioxide
Thin slice is constituted.
3. a kind of tool silver powder effect according to claim 1 and to the unshielded effect bumper paint of car radar, feature
It is, the wax additives are ethylene-cerinic acid ethylene copolymer wax dispersion.
4. a kind of tool silver powder effect according to claim 1 and to the unshielded effect bumper paint of car radar, feature
It is, the acrylic resin is the acrylic resin of one-component and solid part hydroxyl value content less than 2.0.
5. a kind of tool silver powder effect according to claim 1 and to the unshielded effect bumper paint of car radar, feature
It is, the modified poly ester is anti-sagging agent modified poly ester, is selected from commercially available Niu Peisi resist sagging modified resin Setal
90173, Setalux 91715 or Setalux 91795.
6. a kind of tool silver powder effect according to claim 1 and to the unshielded effect bumper paint of car radar, feature
It is, the amino rheological agent is amino resins, selected from commercially available profound new Setamine US138.
7. a kind of tool silver powder effect according to claim 1 and to the unshielded effect bumper paint of car radar, feature
It is, the cellulose acetate is selected from commercially available model Yi Shiman CAB 531-1, CAB381-2, CAB 381-0.5, CAB
One or more of 551-0.2, the levelling agent are acrylic acid or silicone levelling agent.
8. a kind of tool silver powder effect according to claim 1 and to the unshielded effect bumper paint of car radar, feature
It is, the solvent is esters solvent, ketones solvent, aromatic hydrocarbon solvent or alcohols solvent, ethyl acetate, acetic acid fourth
The one or more of ester, propylene glycol methyl ether acetate, butanone, cyclohexanone, dimethylbenzene, propyl alcohol or butanol.
9. a kind of tool silver powder effect according to claim 1 and to the unshielded effect bumper paint of car radar, feature
It is, the dispersing agent is organic dispersing agent, is selected from commercially available model Efka FA 4665, Efka FA 4610, Efka PA
One or more of 4401 or Efka 5065.
10. a kind of tool silver powder effect and to the unshielded effect bumper of car radar as claimed in any one of claims 1-9 wherein
The preparation method of paint, which is characterized in that this method uses following steps:
(1) it prepares resin compound: wax additives, acrylic resin, modified resin, amino rheological agent is put into reaction kettle,
400-600rpm revolving speed stirs 25-30min to uniform, then by cellulose acetate, levelling agent investment reaction kettle, 600-800rpm
Revolving speed disperses 25-30min, and sample detection makes fineness of materials be less than 15um, is eventually adding solvent and adjusts viscosity to 110-130s (T-
4 flow cups), resin compound is obtained after filtering；
(2) it prepares mica slurry: mica sheet and solvent is mixed, 400-600rpm revolving speed stirs 10-15min, then impregnates 8-
10hr obtains mica slurry；
(3) it prepares silver paint product: the resin compound being prepared is put into reaction kettle, dispersing aid, 400- is added
600rpm revolving speed stirs 10-15min, then keeps low shearing speed, and mica slurry is added while stirring into above-mentioned mixed liquor,
The stirring of 600-800rpm revolving speed is lower to disperse 25-30min, finally sticks to 110-130 seconds (flow cup/23 ± 1 T4 using solvent tune
DEG C), product is made.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630188.2A CN109679412A (en) | 2018-12-28 | 2018-12-28 | Has silver powder effect and to the unshielded effect bumper paint of car radar and preparation method |
| PCT/CN2019/124620 WO2020135057A1 (en) | 2018-12-28 | 2019-12-11 | Bumper paint having silver powder effect and no shielding effect on automobile radar and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811630188.2A CN109679412A (en) | 2018-12-28 | 2018-12-28 | Has silver powder effect and to the unshielded effect bumper paint of car radar and preparation method |
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| CN109679412A true CN109679412A (en) | 2019-04-26 |
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| CN201811630188.2A Pending CN109679412A (en) | 2018-12-28 | 2018-12-28 | Has silver powder effect and to the unshielded effect bumper paint of car radar and preparation method |
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| Country | Link |
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| CN (1) | CN109679412A (en) |
| WO (1) | WO2020135057A1 (en) |
Cited By (4)
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| WO2022049041A1 (en) * | 2020-09-03 | 2022-03-10 | Merck Patent Gmbh | Radar-enabled coating containing metal effect pigments on a substrate |
| US11421111B2 (en) | 2019-04-12 | 2022-08-23 | Eckart Gmbh | Radar frequency transparent effect pigment mixture, formulations and coatings thereof |
| US11809933B2 (en) | 2018-11-13 | 2023-11-07 | Ppg Industries Ohio, Inc. | Method of detecting a concealed pattern |
| US11808833B2 (en) | 2016-10-28 | 2023-11-07 | Ppg Industries Ohio, Inc. | Coatings for increasing near-infrared detection distances |
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| CN114316842B (en) * | 2022-01-13 | 2023-05-26 | 东莞市刚刚好玩具有限公司 | Spraying adhesive for hand models, preparation method thereof and spraying process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11808833B2 (en) | 2016-10-28 | 2023-11-07 | Ppg Industries Ohio, Inc. | Coatings for increasing near-infrared detection distances |
| US11977154B2 (en) | 2016-10-28 | 2024-05-07 | Ppg Industries Ohio, Inc. | Coatings for increasing near-infrared detection distances |
| US11809933B2 (en) | 2018-11-13 | 2023-11-07 | Ppg Industries Ohio, Inc. | Method of detecting a concealed pattern |
| US11421111B2 (en) | 2019-04-12 | 2022-08-23 | Eckart Gmbh | Radar frequency transparent effect pigment mixture, formulations and coatings thereof |
| US11958979B2 (en) | 2019-04-12 | 2024-04-16 | Eckart Gmbh | Radar frequency transparent effect pigment mixture, formulations and coatings thereof |
| WO2022049041A1 (en) * | 2020-09-03 | 2022-03-10 | Merck Patent Gmbh | Radar-enabled coating containing metal effect pigments on a substrate |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020135057A1 (en) | 2020-07-02 |
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