CN108034351A - A kind of one-component coarse granule sealing strip coating and preparation method thereof - Google Patents
A kind of one-component coarse granule sealing strip coating and preparation method thereof Download PDFInfo
- Publication number
- CN108034351A CN108034351A CN201711249801.1A CN201711249801A CN108034351A CN 108034351 A CN108034351 A CN 108034351A CN 201711249801 A CN201711249801 A CN 201711249801A CN 108034351 A CN108034351 A CN 108034351A
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- sealing strip
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- coarse granule
- strip coating
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- 239000011248 coating agent Substances 0.000 title claims abstract description 55
- 238000000576 coating method Methods 0.000 title claims abstract description 55
- 238000007789 sealing Methods 0.000 title claims abstract description 50
- 239000008187 granular material Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000012948 isocyanate Substances 0.000 claims abstract description 11
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 11
- 229920005749 polyurethane resin Polymers 0.000 claims abstract description 10
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 9
- 239000006229 carbon black Substances 0.000 claims abstract description 9
- 239000013530 defoamer Substances 0.000 claims abstract description 9
- 239000000080 wetting agent Substances 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 8
- 239000002270 dispersing agent Substances 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 6
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 4
- 239000004417 polycarbonate Substances 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 229920002647 polyamide Polymers 0.000 claims description 12
- 239000004952 Polyamide Substances 0.000 claims description 11
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 229920000098 polyolefin Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 4
- 239000012895 dilution Substances 0.000 claims description 4
- 239000002318 adhesion promoter Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 230000009974 thixotropic effect Effects 0.000 claims description 3
- 241000165940 Houjia Species 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 5
- 230000000704 physical effect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 238000005507 spraying Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000635 electron micrograph Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- -1 wherein Substances 0.000 description 1
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
- C09D175/06—Polyurethanes from polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a kind of one-component coarse granule sealing strip coating and preparation method thereof, film forming matter, solvent, feature powder and a variety of auxiliary agents are included；The auxiliary agent includes carbon black, defoamer, dispersant, wetting agent, hand feeling agent and auxiliary rheological agents.The present invention reduces the friction coefficient of coating and eliminates the automobile abnormal sound that sealing strip is produced with metal plate friction when distorting road traveling, increase the wear-resisting property of weather strip for automobile by adding bulky grain feature powder；It can slow down particle precipitation by adding auxiliary rheological agents, improve the storage stability of coating；Pliability, the wearability of sealing strip coating using polycarbonate polyurethane resin tooth；The organic siliconresin of addition enhances the feel and heat resistance of sealing strip coating；Organic solvent is replaced by solvent of water, there is the feature of environmental protection；Addition moisture dissipates blocked isocyanate, avoids needing additionally to add curing agent during two-component coating use, and use and storage are more convenient, further increases coating physical property.
Description
Technical field
The present invention relates to a kind of sealing strip coating and preparation method thereof, more particularly to a kind of one-component coarse granule sealing bar painting
Material and preparation method thereof.
Background technology
One of the important spare part of weather strip for automobile as automobile, is widely used in arrangements for automotive doors, luggage case and standby
The positions such as case, play sealing function, can prevent the entrance of exterior dust storm and rainwater dust, moreover it is possible to play damping, decoration and
Sound insulation etc. acts on.Sealing strip material is mainly EPDM blown rubbers, general using in the side of one coating of sealing strip surface spraying
Method, increase sealing strip wear-resisting property, anti-pollution characteristic, improves service life.
Automobile sealing strip when distorting road traveling can easily produce abnormal sound, can not only reduce visitor with metal plate friction at present
Comfort when family is ridden, and the service life of weather strip for automobile can be reduced, therefore reduce abnormal sound and be increasingly becoming automobile engineering
The emphasis of teacher's concern.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of one-component coarse granule sealing strip coating, can substantially reduce
Automobile sealing strip when distorting road traveling produces abnormal sound with metal plate friction, increases the wear-resisting property of weather strip for automobile, improves car
Comfort when with the service life of sealing strip and by bus.
The present invention is to provide a kind of one-component coarse granule sealing strip to solve the technical solution that above-mentioned technical problem uses
Coating, includes film forming matter, solvent, feature powder and a variety of auxiliary agents.
Above-mentioned one-component coarse granule sealing strip coating, wherein, the film forming matter includes waterborne polyurethane resin, has
Machine silicones, watersoluble chlorinated polyolefin adhesion promoter and moisture dissipate blocked isocyanate；The solvent is deionization
Water；The feature powder is polyamide powder；The auxiliary agent includes carbon black, defoamer, dispersant, wetting agent, feel
Agent and auxiliary rheological agents.
Above-mentioned one-component coarse granule sealing strip coating, wherein, the mass percentage of each component is as follows：
Above-mentioned one-component coarse granule sealing strip coating, wherein, the aqueous polyurethane gathers for waterborne, polycarbonate type
Urethane resin.
Above-mentioned one-component coarse granule sealing strip coating, wherein, the auxiliary rheological agents are polamides, add water
Property coating after formed with thixotropic fluidity tridimensional network.
Above-mentioned one-component coarse granule sealing strip coating, wherein, the powder is polyamide powder, its particle diameter distribution compared with
It is narrow, average grain diameter 80um.
Above-mentioned one-component coarse granule sealing strip coating, wherein, the moisture dissipates the deblocking temperature of blocked isocyanate
For 110-120 DEG C.
The present invention also provides a kind of preparation method of one-component coarse granule sealing strip coating to solve above-mentioned technical problem, its
In, in turn include the following steps：A) polyurethane resin, defoamer, dispersant, wetting agent are added sequentially in reaction kettle successively
Stirring；B) polyamide powder stirring is added；C) plus hand feeling agent, carbon black, blocked isocyanate and auxiliary rheological agents stir, Ran Houjia
Enter deionized water dilution；D) plus coating finished product is made in organic siliconresin, watersoluble chlorinated polyolefin
The preparation method of above-mentioned one-component coarse granule sealing strip coating, wherein, it is defoamer in the step a), scattered
Agent, wetting agent are added with stirring is linear, and speed of agitator turns/min, stir mixing 30min for 800-1000；In the step b) first
Speed of agitator is reduced to 500-800 and turns/min, polyamide powder is then added, increases mixing speed extremely after addition
1000-1400 turns/min, jitter time 40min；In the step c) first by mixing speed be reduced to 800-1000 turn/
Min, then sequentially adds hand feeling agent, carbon black, blocked isocyanate, auxiliary rheological agents stirring, then adds deionized water dilution,
Time is 30min；Mixing speed is reduced to 500-600 turns/min and sequentially added in the step d) and adds organic siliconresin, water
Property chloridized polyolefin system allocated, time 20min is finally filtered with 100 mesh filter cloths, packing, and coating finished product is made.
The present invention contrast prior art has following beneficial effect：One-component coarse granule provided by the invention seals bar painting
Material, due to the addition of coarse granule Silon powder, not only reduces automobile sealing strip when distorting road traveling and rubs with metal plate
Wipe the abnormal sound produced, moreover it is possible to increase the wear-resisting property of weather strip for automobile, to improving the service life of automobile sealing strip and riding
When comfort play positive effect；Particle layering can be reduced by adding auxiliary rheological agents, improves the storage stability of coating；
Pliability, the wearability of sealing strip coating using polycarbonate polyurethane resin tooth；The organic siliconresin enhancing of addition
The feel and heat resistance of sealing strip coating；Addition moisture dissipates blocked isocyanate, avoids needing during two-component coating use
Curing agent is additionally added, reduces manually and avoids two-component coating preparing the defects of rear usage time is short, use and deposit
Store up more convenient.
Brief description of the drawings
Fig. 1 is one-component coarse granule sealing strip coating preparation flow diagram of the present invention；
Fig. 2 is the electron micrograph of coating layer thickness after one-component coarse granule coating spraying prepared by the embodiment of the present invention；
Fig. 3 is certain existing electron micrograph without coating layer thickness after particulate coating material spraying.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
One-component coarse granule sealing strip coating provided by the invention, including it is film forming matter, solvent, feature powder, a variety of
Auxiliary agent, the film forming matter include waterborne polyurethane resin, organic siliconresin, watersoluble chlorinated polyolefin adhesion promoter,
Moisture dissipates blocked isocyanate；The solvent is deionized water；The feature powder is polyamide powder；Described
Auxiliary agent includes carbon black, defoamer, dispersant, wetting agent, hand feeling agent, auxiliary rheological agents, and the mass percentage of each component is such as
Under：
One-component coarse granule sealing strip coating provided by the invention, the active ingredient of the auxiliary rheological agents is polyamide-based
Material, after adding water paint, can form tridimensional network in system used, thixotropic fluidity be produced, so as to prevent pigment
Sedimentation and improvement film sag resistance；For content between 0.2%-0.4%, coarse granule sealing strip coating appearance performance is optimal, applies
Expect that storage stability is optimal, spraying effect is optimal；The powder is polyamide powder, its particle diameter distribution is relatively narrow, average grain diameter
In 80um or so；The moisture dissipates 110-120 DEG C of the deblocking temperature of blocked isocyanate, can increase coating physical property and
Adhesive force.
Fig. 1 is referred to, the preparation method of one-component coarse granule sealing strip coating provided by the invention is as follows：Respectively will
Two kinds of polyurethane resins of 34.8kg and 17.4kg, defoamer 0.4kg, dispersant 0.8kg, wetting agent 0.4kg are added sequentially to
In reaction kettle, stir mixing, speed of agitator is 800 turns/min, mixing time 30min, fully by auxiliary agent (defoaming, scattered, profit
It is wet) it is dispersed in polyurethane resin.
Mixing speed is reduced to 600 turns/min, prevents from splashing when adding powder, then adds coarse grained polyamide powder
11kg, part is taken out from having measured in advance in 58.55kg deionized waters, viscous wall powder is washed out with water, then improve speed of agitator and arrive
1200 turns/min, jitter time 40min, so that powder lot dispersing is uniform.
Mixing speed is reduced to 800 turns/min, it is different then to sequentially add hand feeling agent 2.08kg, carbon black 3.41kg, enclosed type
Cyanate 20.32kg, auxiliary rheological agents 0.4kg, deionized water, jitter time 30min.
Mixing speed is reduced to 600 turns/min, a large amount of bubbles of high-speed stirred generation always is avoided and causes mechanical demulsification, add
Enter organic siliconresin 30.5kg, watersoluble chlorinated vistanex 15.3kg, the allotment time is 20min.
Finally filtered with 100 mesh filter cloths, packing, it is about 200kg that coating finished product, which is made,.One-component prepared by embodiment
The 50 DEG C of storage experiments of coarse granule sealing strip coating and the agranular sealing strip coating of one-component, the results are shown in Table 1.
Table 1
By the one-component coarse granule sealing strip coating prepared in above-described embodiment and existing one-component without coarse grained close
Strip of paper used for sealing coating is sprayed on sponge strip seal respectively, drying condition：200 DEG C/3min, applied respectively using testing electronic microscope
The appearance of layer is as shown in Figure 2 and Figure 3：Sealing strip is according to standard GMW14170 standard wear-resisting tests, 1kg load glass bistriques, test
It the results are shown in Table 2.
Table 2
Therefore one-component coarse granule sealing strip coating produced by the present invention, due to adding feature powder, not only drop
The low automobile abnormal sound that sealing strip is produced with metal plate friction when distorting road traveling, moreover it is possible to increase the wearability of weather strip for automobile
Energy, improves the service life of weather strip for automobile.It can slow down particle layering by adding auxiliary rheological agents, improve the storage of coating
Stability.
Although the present invention is disclosed as above with preferred embodiment, so it is not limited to the present invention, any this area skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and it is perfect, therefore the present invention protection model
Enclose to work as and be subject to what claims were defined.
Claims (9)
1. a kind of one-component coarse granule sealing strip coating, it is characterised in that include film forming matter, solvent, feature powder and more
Kind auxiliary agent.
2. one-component coarse granule sealing strip coating as claimed in claim 1, it is characterised in that the film forming matter includes water
Property polyurethane resin, organic siliconresin, watersoluble chlorinated polyolefin adhesion promoter and moisture dissipate blocked isocyanate；It is described
Solvent be deionized water；The feature powder is polyamide powder；The auxiliary agent includes carbon black, defoamer, disperses
Agent, wetting agent, hand feeling agent and auxiliary rheological agents.
3. one-component coarse granule sealing strip coating as claimed in claim 2, it is characterised in that the mass percentage of each component
It is as follows：
4. one-component coarse granule sealing strip coating as claimed in claim 2, it is characterised in that the aqueous polyurethane is water
Property polycarbonate polyurethane resin.
5. one-component coarse granule sealing strip coating as claimed in claim 2, it is characterised in that the auxiliary rheological agents are polyamides
Amine substance, the tridimensional network with thixotropic fluidity is formed after adding water paint.
6. one-component coarse granule sealing strip coating as claimed in claim 2, it is characterised in that the powder is Silon
Material, its particle diameter distribution is relatively narrow, average grain diameter 80um.
7. one-component coarse granule sealing strip coating as claimed in claim 2, it is characterised in that the moisture dissipates enclosed type isocyanide
The deblocking temperature of acid esters is 110-120 DEG C.
8. a kind of preparation method of one-component coarse granule sealing strip coating, it is characterised in that in turn include the following steps：
A) successively polyurethane resin, defoamer, dispersant, wetting agent are added sequentially to stir in reaction kettle；
B) polyamide powder stirring is added；
C) plus hand feeling agent, carbon black, blocked isocyanate and auxiliary rheological agents stir, and then add deionized water dilution；
D) plus coating finished product is made in organic siliconresin, watersoluble chlorinated polyolefin.
9. the preparation method of one-component coarse granule sealing strip coating according to claim 8, it is characterised in that the step
It is rapid a) in defoamer, dispersant, wetting agent added with stirring is linear, speed of agitator turns/min, stir mixing for 800-1000
30min；Speed of agitator is first reduced to 500-800 in the step b) and turns/min, then adds polyamide powder, addition finishes
Afterwards increase mixing speed to 1000-1400 turn/min, jitter time 40min；First mixing speed is dropped in the step c)
As low as 800-1000 turns/min, then sequentially adds hand feeling agent, carbon black, blocked isocyanate, auxiliary rheological agents stirring, Ran Houjia
Enter deionized water dilution, time 30min；Mixing speed is reduced to 500-600 turns/min in the step d) to sequentially add
Organic siliconresin, watersoluble chlorinated polyolefin system is added to be allocated, time 20min, is finally filtered with 100 mesh filter cloths, packing,
Coating finished product is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711249801.1A CN108034351B (en) | 2017-12-01 | 2017-12-01 | Single-component coarse-particle sealing strip coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711249801.1A CN108034351B (en) | 2017-12-01 | 2017-12-01 | Single-component coarse-particle sealing strip coating and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108034351A true CN108034351A (en) | 2018-05-15 |
| CN108034351B CN108034351B (en) | 2020-10-23 |
Family
ID=62095126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711249801.1A Active CN108034351B (en) | 2017-12-01 | 2017-12-01 | Single-component coarse-particle sealing strip coating and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108034351B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112920705A (en) * | 2021-01-20 | 2021-06-08 | 兴科电子(东莞)有限公司 | High-wear-resistance matte hand feeling oil and preparation method and application method thereof |
| CN113773738A (en) * | 2021-09-13 | 2021-12-10 | 陈正林 | Automobile sealing strip front end spraying coating and preparation method thereof |
| CN114798289A (en) * | 2022-05-24 | 2022-07-29 | 建新赵氏科技股份有限公司 | Spraying method for automobile frameless sealing strip |
| WO2024174410A1 (en) * | 2023-02-24 | 2024-08-29 | 上海蓝欧化工科技有限公司 | Water-based coating for front-end spraying of automobile sealing strip, and preparation method and application method therefor |
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| CN102040905A (en) * | 2010-11-30 | 2011-05-04 | 上海蓝欧化工科技有限公司 | Water-base coating composition and preparation method thereof |
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| CN101161746A (en) * | 2006-10-12 | 2008-04-16 | 国家淀粉及化学投资控股公司 | Waterbased low noise generating coating |
| CN102040905A (en) * | 2010-11-30 | 2011-05-04 | 上海蓝欧化工科技有限公司 | Water-base coating composition and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112920705A (en) * | 2021-01-20 | 2021-06-08 | 兴科电子(东莞)有限公司 | High-wear-resistance matte hand feeling oil and preparation method and application method thereof |
| CN112920705B (en) * | 2021-01-20 | 2022-04-22 | 兴科电子(东莞)有限公司 | High-wear-resistance matte hand feeling oil and preparation method and application method thereof |
| CN113773738A (en) * | 2021-09-13 | 2021-12-10 | 陈正林 | Automobile sealing strip front end spraying coating and preparation method thereof |
| CN114798289A (en) * | 2022-05-24 | 2022-07-29 | 建新赵氏科技股份有限公司 | Spraying method for automobile frameless sealing strip |
| CN114798289B (en) * | 2022-05-24 | 2023-08-25 | 建新赵氏科技股份有限公司 | Spraying method for frameless sealing strip of automobile |
| WO2024174410A1 (en) * | 2023-02-24 | 2024-08-29 | 上海蓝欧化工科技有限公司 | Water-based coating for front-end spraying of automobile sealing strip, and preparation method and application method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108034351B (en) | 2020-10-23 |
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