CN110079197A - A kind of dedicated UV frosting of Sports floor and its preparation process - Google Patents
A kind of dedicated UV frosting of Sports floor and its preparation process Download PDFInfo
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- CN110079197A CN110079197A CN201910421130.5A CN201910421130A CN110079197A CN 110079197 A CN110079197 A CN 110079197A CN 201910421130 A CN201910421130 A CN 201910421130A CN 110079197 A CN110079197 A CN 110079197A
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- frosting
- powder
- dedicated
- sports floor
- photoinitiator
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Floor Finish (AREA)
Abstract
The invention discloses a kind of dedicated UV frostings of Sports floor, its raw material is as follows according to mass percent: tripropylene glycol diacrylate 20-30%, 1,6- hexanediyl ester 10-20%, pentaerythritol triacrylate 10-30%, hydroxyethyl methacrylate 5-10%, bisphenol A epoxy acrylate 20-40%, urethane acrylate 15-40%, dispersing agent 0.1-0.5%, substrate wetting agents 0.1-0.5%, levelling agent 0.1-1%, defoaming agent 0.1-0.8%, photoinitiator 3-8%, aided initiating 1-5%, high hardness wear-resisting powder 10-20%, texture frosting powder 10-40%.The dedicated UV frosting of the strict control of the present invention Sports floor and its preparation process pass through the formula and preparation technology parameter of the dedicated UV frosting of strict control Sports floor, the product stable storing of preparation, room temperature UV solidification, energy conservation and environmental protection, high production efficiency, VOC free discharge, hardness of film is high, soft glossy, and wear-resisting scratch-resisting performance is excellent, weather-proof acid and alkali-resistance is good, frosted finish effect is strong, anti-skidding, and single-minded painting effect is provided for Sports floor.
Description
Technical field
The present invention relates to Sports floor technical field, specially a kind of dedicated UV frosting of Sports floor, while the present invention
Further relate to a kind of preparation process of dedicated UV frosting of Sports floor.
Background technique
Sports floor is a kind of with excellent load-carrying properties, Highly-absorbing performance, the wood floor board for sports ground system of anti-deformation
System, and the coefficient of friction on its surface must reach 0.4-0.7, too sliding or too puckery can all damage to sportsman.Excellent
Shock absorbing capability effectively can avoid sportsman by injury gained in sports.
The frosted coating materials on floor when in use, the dedicated UV frosting stability of material of existing Sports floor and hardness compared with
Difference, and anti-scratch mill and corrosion resistance are poor, and some materials have VOC emission, and environmental-protecting performance is poor.
Summary of the invention
The purpose of the present invention is to provide a kind of dedicated UV frosting of Sports floor and its preparation process, the product of preparation is stored up
Stabilization is deposited, room temperature UV solidification, energy conservation and environmental protection, high production efficiency, VOC free discharge, hardness of film is high, soft glossy, wear-resisting scratch-resisting
Performance is excellent, and weather-proof acid and alkali-resistance is good, and frosted finish effect is strong, anti-skidding, provides single-minded coating effect, for Sports floor to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme: a kind of dedicated UV frosting of Sports floor, raw material
It is as follows according to mass percent: tripropylene glycol diacrylate 20-30%, 1,6- hexanediyl ester 10-20%, Ji Wusi
Alcohol triacrylate 10-30%, hydroxyethyl methacrylate 5-10%, bisphenol A epoxy acrylate 20-40%, polyurethane acroleic acid
Ester 15-40%, dispersing agent 0.1-0.5%, substrate wetting agents 0.1-0.5%, levelling agent 0.1-1%, defoaming agent 0.1-0.8% are light-initiated
Agent 3-8%, aided initiating 1-5%, high hardness wear-resisting powder 10-20%, texture frosting powder 10-40%.
Preferably, the photoinitiator includes free radical polymerization photoinitiator and Cationic photoinitiator, wherein from
It is 2-5% by the mass percent of base polymerization photoinitiator, the mass percent of Cationic photoinitiator is 1-3%.
Preferably, the texture frosting powder includes light diffusion frosted material and surface frosted material, wherein light diffusion frosted material and
The mixed proportion of surface frosted material is 1:1.
Preferably, the granule size of the high hardness wear-resisting powder and texture frosting powder is no more than 50 μm.
The present invention also provides a kind of preparation processes of the dedicated UV frosting of Sports floor, include the following steps:
S1: weighing, by tripropylene glycol diacrylate, 1,6- hexanediyl ester, pentaerythritol triacrylate, methyl
Hydroxy-ethyl acrylate, bisphenol A epoxy acrylate, urethane acrylate, dispersing agent, substrate wetting agents, levelling agent, defoaming
Agent, photoinitiator, aided initiating, high hardness wear-resisting powder and texture frosting powder weigh spare by mass percentage;
S2: dispersion feeds intake, by the weighed tripropylene glycol diacrylate of step S1,1,6- hexanediyl ester, Ji Wusi
It is slowly stirred in alcohol triacrylate and hydroxyethyl methacrylate investment dispersion cylinder, speed of agitator 80-100r/min;
S3: the bisphenol A epoxy acrylate of weighing and urethane acrylate are added sequentially to what S2 was stirred by charging stirring
In material, continue to stir 10-20min, speed of agitator 500-900r/min;
S4: tear drop be added, by the dispersing agent of weighing, substrate wetting agents, levelling agent, defoaming agent, photoinitiator and aided initiating according to
It is secondary to be added in the material in S3, continue to stir with the revolving speed of 500-900r/min, mixing time 20-30min;
S5: powder mixing, the high hardness wear-resisting powder of weighing and texture frosting powder are stirred it is uniformly mixed, it is spare;
S6: powder is added, and the mixed powder of step S5 is added in the material of S4, continues to turn with 1000-1500r/min
Speed stirring 30-50 minutes obtains mixed material, spare;
S7: the mixed material in step S6 is carried out viscosity adjustment, obtains the dedicated UV frosted of the Sports floor by viscosity adjustment
Face;
S8: the dedicated UV frosting of Sports floor obtained in step S7 is sampled inspection by test package, after the assay was approved into
Row quantitative filling, and seal up for safekeeping.
Preferably, the step S2 dispersion cylinder is stainless steel dispersion cylinder, and the specification of the dispersion cylinder is 50-5000L.
Preferably, it is WHJ250 dry powder blender that the step S5 powder mixing, which uses, and mixture homogeneity is greater than 96%.
Preferably, step S7 material viscosity value adjusted is 30-40s.
Compared with prior art, the beneficial effects of the present invention are: the dedicated UV frosted of the strict control of the present invention Sports floor
Face and its preparation process, by the formula and preparation technology parameter of the dedicated UV frosting of strict control Sports floor, using 3 third
Omega-diol diacrylate, 1,6- hexanediyl ester, pentaerythritol triacrylate, hydroxyethyl methacrylate, bisphenol-A
Epoxy acrylate, dispersing agent, substrate wetting agents, levelling agent, defoaming agent, photoinitiator, helps initiation at urethane acrylate
The raw material of agent, high hardness wear-resisting powder and texture frosting powder as preparation, the product stable storing of preparation, room temperature UV solidification, energy conservation
Environmental protection, high production efficiency, VOC free discharge, hardness of film is high, and soft glossy, wear-resisting scratch-resisting performance is excellent, and weather-proof acid and alkali-resistance is good, mill
Sand effect is strong, anti-skidding, and single-minded painting effect is provided for Sports floor.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
The dedicated UV frosting of a kind of Sports floor provided by the invention, base-material percentage accounting correspond to specific embodiment data such as
The following table 1:
Embodiment 1
A kind of dedicated UV frosting of Sports floor, raw material are as follows according to mass percent: tripropylene glycol diacrylate 20%,
1,6- hexanediyl ester 10%, pentaerythritol triacrylate 10%, hydroxyethyl methacrylate 5%, bisphenol-A epoxy third
Olefin(e) acid ester 20%, urethane acrylate 15%, dispersing agent 0.1%, substrate wetting agents 0.1%, levelling agent 0.1%, defoaming agent 0.7%,
Photoinitiator 3%, aided initiating 1%, high hardness wear-resisting powder 10%, texture frosting powder 5%, the photoinitiator include free radical polymerization
Photoinitiator and Cationic photoinitiator, wherein the mass percent of free radical polymerization photoinitiator is 2%, and cation is poly-
The mass percent of light combination initiator is 1%, and the texture frosting powder includes that light spreads frosted material and surface frosted material, wherein light
The mixed proportion for spreading frosted material and surface frosted material is 1:1, the granule size of the high hardness wear-resisting powder and texture frosting powder
It is no more than 50 μm.
The present invention also provides a kind of preparation processes of the dedicated UV frosting of Sports floor, include the following steps:
S1: weighing, by tripropylene glycol diacrylate, 1,6- hexanediyl ester, pentaerythritol triacrylate, methyl
Hydroxy-ethyl acrylate, bisphenol A epoxy acrylate, urethane acrylate, dispersing agent, substrate wetting agents, levelling agent, defoaming
Agent, photoinitiator, aided initiating, high hardness wear-resisting powder and texture frosting powder weigh spare by mass percentage;
S2: dispersion feeds intake, by the weighed tripropylene glycol diacrylate of step S1,1,6- hexanediyl ester, Ji Wusi
It is slowly stirred in alcohol triacrylate and hydroxyethyl methacrylate investment dispersion cylinder, speed of agitator 80r/min;
S3: the bisphenol A epoxy acrylate of weighing and urethane acrylate are added sequentially to what S2 was stirred by charging stirring
In material, continue to stir 10min, speed of agitator 500r/min;
S4: tear drop be added, by the dispersing agent of weighing, substrate wetting agents, levelling agent, defoaming agent, photoinitiator and aided initiating according to
It is secondary to be added in the material in S3, continue to stir with the revolving speed of 500r/min, mixing time 20min;
S5: powder mixing, the high hardness wear-resisting powder of weighing and texture frosting powder are stirred it is uniformly mixed, it is spare;
S6: powder is added, and the mixed powder of step S5 is added in the material of S4, and continuation is stirred with the revolving speed of 1000r/min
It mixes 30 minutes, obtains mixed material, it is spare;
S7: the mixed material in step S6 is carried out viscosity adjustment, obtains the dedicated UV frosted of the Sports floor by viscosity adjustment
Face;
S8: the dedicated UV frosting of Sports floor obtained in step S7 is sampled inspection by test package, after the assay was approved into
Row quantitative filling, and seal up for safekeeping.
The step S2 dispersion cylinder is stainless steel dispersion cylinder, and the specification of the dispersion cylinder is 50L, the step S5 powder
It is WHJ250 dry powder blender that mixing, which uses, and mixture homogeneity is greater than 96%, and the step S7 material viscosity value adjusted is
30s。
Embodiment 2
A kind of dedicated UV frosting of Sports floor, raw material are as follows according to mass percent: tripropylene glycol diacrylate 20%,
1,6- hexanediyl ester 10%, pentaerythritol triacrylate 10%, hydroxyethyl methacrylate 5%, bisphenol-A epoxy third
Olefin(e) acid ester 20%, urethane acrylate 15%, dispersing agent 0.5%, substrate wetting agents 0.2%, levelling agent 0.1%, defoaming agent 0.2%,
Photoinitiator 3%, aided initiating 1%, high hardness wear-resisting powder 10%, texture frosting powder 5%, the photoinitiator include free radical polymerization
Photoinitiator and Cationic photoinitiator, wherein the mass percent of free radical polymerization photoinitiator is 2%, and cation is poly-
The mass percent of light combination initiator is 1%, and the texture frosting powder includes that light spreads frosted material and surface frosted material, wherein light
The mixed proportion for spreading frosted material and surface frosted material is 1:1, the granule size of the high hardness wear-resisting powder and texture frosting powder
It is no more than 50 μm.
The present invention also provides a kind of preparation processes of the dedicated UV frosting of Sports floor, include the following steps:
S1: weighing, by tripropylene glycol diacrylate, 1,6- hexanediyl ester, pentaerythritol triacrylate, methyl
Hydroxy-ethyl acrylate, bisphenol A epoxy acrylate, urethane acrylate, dispersing agent, substrate wetting agents, levelling agent, defoaming
Agent, photoinitiator, aided initiating, high hardness wear-resisting powder and texture frosting powder weigh spare by mass percentage;
S2: dispersion feeds intake, by the weighed tripropylene glycol diacrylate of step S1,1,6- hexanediyl ester, Ji Wusi
It is slowly stirred in alcohol triacrylate and hydroxyethyl methacrylate investment dispersion cylinder, speed of agitator 90r/min;
S3: the bisphenol A epoxy acrylate of weighing and urethane acrylate are added sequentially to what S2 was stirred by charging stirring
In material, continue to stir 15min, speed of agitator 700r/min;
S4: tear drop be added, by the dispersing agent of weighing, substrate wetting agents, levelling agent, defoaming agent, photoinitiator and aided initiating according to
It is secondary to be added in the material in S3, continue to stir with the revolving speed of 700r/min, mixing time 25min;
S5: powder mixing, the high hardness wear-resisting powder of weighing and texture frosting powder are stirred it is uniformly mixed, it is spare;
S6: powder is added, and the mixed powder of step S5 is added in the material of S4, continues to stir 40 points with 1250 revolving speed
Clock obtains mixed material, spare;
S7: the mixed material in step S6 is carried out viscosity adjustment, obtains the dedicated UV frosted of the Sports floor by viscosity adjustment
Face;
S8: the dedicated UV frosting of Sports floor obtained in step S7 is sampled inspection by test package, after the assay was approved into
Row quantitative filling, and seal up for safekeeping.
The step S2 dispersion cylinder is stainless steel dispersion cylinder, and the specification of the dispersion cylinder is 2525L, the step S5 powder
It is WHJ250 dry powder blender that material mixing, which uses, and mixture homogeneity is greater than 96%, the step S7 material viscosity value adjusted
For 35s.
Embodiment 3
A kind of dedicated UV frosting of Sports floor, raw material are as follows according to mass percent: tripropylene glycol diacrylate 20%,
1,6- hexanediyl ester 10%, pentaerythritol triacrylate 10%, hydroxyethyl methacrylate 5%, bisphenol-A epoxy third
Olefin(e) acid ester 20%, urethane acrylate 15%, dispersing agent 0.2%, substrate wetting agents 0.2%, levelling agent 0.4%, defoaming agent 0.2%,
Photoinitiator 3%, aided initiating 1%, high hardness wear-resisting powder 10%, texture frosting powder 5%, the photoinitiator include free radical polymerization
Photoinitiator and Cationic photoinitiator, wherein the mass percent of free radical polymerization photoinitiator is 2%, and cation is poly-
The mass percent of light combination initiator is 1%, and the texture frosting powder includes that light spreads frosted material and surface frosted material, wherein light
The mixed proportion for spreading frosted material and surface frosted material is 1:1, the granule size of the high hardness wear-resisting powder and texture frosting powder
It is no more than 50 μm.
The present invention also provides a kind of preparation processes of the dedicated UV frosting of Sports floor, include the following steps:
S1: weighing, by tripropylene glycol diacrylate, 1,6- hexanediyl ester, pentaerythritol triacrylate, methyl
Hydroxy-ethyl acrylate, bisphenol A epoxy acrylate, urethane acrylate, dispersing agent, substrate wetting agents, levelling agent, defoaming
Agent, photoinitiator, aided initiating, high hardness wear-resisting powder and texture frosting powder weigh spare by mass percentage;
S2: dispersion feeds intake, by the weighed tripropylene glycol diacrylate of step S1,1,6- hexanediyl ester, Ji Wusi
It is slowly stirred in alcohol triacrylate and hydroxyethyl methacrylate investment dispersion cylinder, speed of agitator 100r/min;
S3: the bisphenol A epoxy acrylate of weighing and urethane acrylate are added sequentially to what S2 was stirred by charging stirring
In material, continue to stir 20min, speed of agitator 900r/min;
S4: tear drop be added, by the dispersing agent of weighing, substrate wetting agents, levelling agent, defoaming agent, photoinitiator and aided initiating according to
It is secondary to be added in the material in S3, continue to stir with the revolving speed of 900r/min, mixing time 30min;
S5: powder mixing, the high hardness wear-resisting powder of weighing and texture frosting powder are stirred it is uniformly mixed, it is spare;
S6: powder is added, and the mixed powder of step S5 is added in the material of S4, and continuation is stirred with the revolving speed of 1500r/min
It mixes 50 minutes, obtains mixed material, it is spare;
S7: the mixed material in step S6 is carried out viscosity adjustment, obtains the dedicated UV frosted of the Sports floor by viscosity adjustment
Face;
S8: the dedicated UV frosting of Sports floor obtained in step S7 is sampled inspection by test package, after the assay was approved into
Row quantitative filling, and seal up for safekeeping.
The step S2 dispersion cylinder is stainless steel dispersion cylinder, and the specification of the dispersion cylinder is 5000L, the step S5 powder
It is WHJ250 dry powder blender that material mixing, which uses, and mixture homogeneity is greater than 96%, the step S7 material viscosity value adjusted
For 40s.
In summary: the dedicated UV frosting of the strict control of the present invention Sports floor and its preparation process, by strictly controlling
The formula and preparation technology parameter of the dedicated UV frosting of Sports floor processed, using tripropylene glycol diacrylate, 1,6- hexylene glycol
Diacrylate, pentaerythritol triacrylate, hydroxyethyl methacrylate, bisphenol A epoxy acrylate, polyurethane acroleic acid
Ester, dispersing agent, substrate wetting agents, levelling agent, defoaming agent, photoinitiator, aided initiating, high hardness wear-resisting powder and texture frosting powder
As the raw material of preparation, the product stable storing of preparation, room temperature UV solidification, energy conservation and environmental protection, high production efficiency, VOC free discharge, painting
Film hardness is high, and soft glossy, wear-resisting scratch-resisting performance is excellent, and weather-proof acid and alkali-resistance is good, and frosted finish effect is strong, anti-skidding, provides for Sports floor
Single-minded painting effect.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of dedicated UV frosting of Sports floor, it is characterised in that: its raw material is as follows according to mass percent: tripropylene glycol two
Acrylate 20-30%, 1,6- hexanediyl ester 10-20%, pentaerythritol triacrylate 10-30%, methacrylic acid
Hydroxyl ethyl ester 5-10%, bisphenol A epoxy acrylate 20-40%, urethane acrylate 15-40%, dispersing agent 0.1-0.5%, substrate
Wetting agent 0.1-0.5%, levelling agent 0.1-1%, defoaming agent 0.1-0.8%, photoinitiator 3-8%, aided initiating 1-5%, high rigidity are resistance to
Be milled 10-20%, texture frosting powder 5-20%.
2. the dedicated UV frosting of a kind of Sports floor according to claim 1, it is characterised in that: the photoinitiator includes
Free radical polymerization photoinitiator and Cationic photoinitiator, wherein the mass percent of free radical polymerization photoinitiator is 2-
5%, the mass percent of Cationic photoinitiator is 1-3%.
3. the dedicated UV frosting of a kind of Sports floor according to claim 1, it is characterised in that: the texture frosting powder packet
Light diffusion frosted material and surface frosted material are included, wherein the mixed proportion of light diffusion frosted material and surface frosted material is 1:1.
4. the dedicated UV frosting of a kind of Sports floor according to claim 1, it is characterised in that: the high hardness wear-resisting powder
It is no more than 50 μm with the granule size of texture frosting powder.
5. a kind of preparation process of the dedicated UV frosting of Sports floor according to claim 1, it is characterised in that: including such as
Lower step:
S1: weighing, by tripropylene glycol diacrylate, 1,6- hexanediyl ester, pentaerythritol triacrylate, methyl
Hydroxy-ethyl acrylate, bisphenol A epoxy acrylate, urethane acrylate, dispersing agent, substrate wetting agents, levelling agent, defoaming
Agent, photoinitiator, aided initiating, high hardness wear-resisting powder and texture frosting powder weigh spare by mass percentage;
S2: dispersion feeds intake, by the weighed tripropylene glycol diacrylate of step S1,1,6- hexanediyl ester, Ji Wusi
It is slowly stirred in alcohol triacrylate and hydroxyethyl methacrylate investment dispersion cylinder, speed of agitator 80-100r/min;
S3: the bisphenol A epoxy acrylate of weighing and urethane acrylate are added sequentially to what S2 was stirred by charging stirring
In material, continue to stir 10-20min, speed of agitator 500-900r/min;
S4: tear drop be added, by the dispersing agent of weighing, substrate wetting agents, levelling agent, defoaming agent, photoinitiator and aided initiating according to
It is secondary to be added in the material in S3, continue to stir with the revolving speed of 500-900r/min, mixing time 20-30min;
S5: powder mixing, the high hardness wear-resisting powder of weighing and texture frosting powder are stirred it is uniformly mixed, it is spare;
S6: powder is added, and the mixed powder of step S5 is added in the material of S4, continues to turn with 1000-1500r/min
Speed stirring 30-50 minutes obtains mixed material, spare;
S7: the mixed material in step S6 is carried out viscosity adjustment, obtains the dedicated UV frosted of the Sports floor by viscosity adjustment
Face;
S8: the dedicated UV frosting of Sports floor obtained in step S7 is sampled inspection by test package, after the assay was approved into
Row quantitative filling, and seal up for safekeeping.
6. a kind of preparation process of the dedicated UV frosting of Sports floor according to claim 5, it is characterised in that: the step
Rapid S2 dispersion cylinder is stainless steel dispersion cylinder, and the specification of the dispersion cylinder is 50-5000L.
7. a kind of preparation process of the dedicated UV frosting of Sports floor according to claim 5, it is characterised in that: the step
It is WHJ250 dry powder blender that rapid S5 powder mixing, which uses, and mixture homogeneity is greater than 96%.
8. a kind of preparation process of the dedicated UV frosting of Sports floor according to claim 5, it is characterised in that: the step
Rapid S7 material viscosity value adjusted is 30-40s.
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CN201910421130.5A CN110079197A (en) | 2019-05-21 | 2019-05-21 | A kind of dedicated UV frosting of Sports floor and its preparation process |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101638554A (en) * | 2009-05-06 | 2010-02-03 | 佛山市顺德区希贵光固化材料有限公司 | Ultraviolet curing coating |
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2019
- 2019-05-21 CN CN201910421130.5A patent/CN110079197A/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101638554A (en) * | 2009-05-06 | 2010-02-03 | 佛山市顺德区希贵光固化材料有限公司 | Ultraviolet curing coating |
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Application publication date: 20190802 |