CN108587441A - A kind of watersoluble plumbago alkene acroleic acid polyurethane coating and preparation method thereof - Google Patents
A kind of watersoluble plumbago alkene acroleic acid polyurethane coating and preparation method thereof Download PDFInfo
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- CN108587441A CN108587441A CN201810259951.9A CN201810259951A CN108587441A CN 108587441 A CN108587441 A CN 108587441A CN 201810259951 A CN201810259951 A CN 201810259951A CN 108587441 A CN108587441 A CN 108587441A
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- acroleic acid
- acid polyurethane
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C09D7/20—Diluents or solvents
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
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Abstract
The invention discloses a kind of watersoluble plumbago alkene acroleic acid polyurethane coatings and preparation method thereof.The first component containing graphene solution and the second component containing curing agent that the coating includes energy film-forming；First component and the quality proportioning of second component are：10:3‑5；Wherein, first component is made of acroleic acid polyurethane lotion, dispersant, antifoaming agent, levelling agent, deionized water, filler, cosolvent, graphene, second component curing agent, cosolvent.Graphene solution is added in Aqueous acrylic urethane's coating the present invention, watersoluble plumbago alkene acroleic acid polyurethane coating coating obtained is while retaining impact resistance 50cm, cupping 6mm, resist bending 1mm, hardness can be improved 2-3 times, flexibility is good, adhesive force is excellent, and the ageing-resistant time is up to 2000h or more；Preparation method of the present invention is environmentally protective, simple for process, operating condition is easily-controllable.
Description
Technical field
The present invention relates to a kind of watersoluble plumbago alkene acroleic acid polyurethane coatings and preparation method thereof, belong to coating technology neck
Domain.
Background technology
With the successive appearance of national environmental protection policy, research and development and popularization the becoming as paint development of health environment-friendly coating
Gesture.Along with the raising of high-speed EMUs comprehensive technical performance, requirements at the higher level, water are proposed to the aesthetics of train, anti-corrosive properties
The performance of property coating system will meet new challenge.Currently, application multiselect offshore company's coating of high-speed EMUs, is successfully answered
With being to be based on specific operating environment, since domestic traffic coverage temperature span is big, environmental weather conditions are complicated, in order to adapt to the country
The demand of high-speed EMUs development, urgent need develop the high-performance aqueous coating technology to match.
The bullet train speed of service is 200 ~ 400km/h, and traffic coverage span is wide, multiple by such environmental effects such as humitures
It is miscellaneous, and some areas dust storm is seriously polluted, and this requires the paint films of high-speed cruising motor-car to have enough wear-resistant strengths, that is, paints
Film has both enough hardness and toughness.
The failure of Motor train unit body decoration is mainly shown as loss of gloss or the discoloration of finishing coat, be in addition then paint blister, fall off,
Scratch and wear etc..Since the running environment of motor-car is harsher, therefore light aging, dusting, the embrittlement of finishing coat on the outside of car body are wanted
Ask comparison stringent.
Graphene is a kind of novel carbon material, is only one for being stripped out from graphite material, being made of carbon atom
The two dimensional crystal of layer atomic thickness.Graphene is both most thin material, and most tough material, and fracture strength is than best steel
Taller 200 times of material.It has good elasticity, stretch range that can reach the 20% of own dimensions again simultaneously.It is current nature
Most thin, the highest material of intensity, is referred to as " dark fund ", is " king of new material ".It relies on various superior functions, will be applied in conduction
Material, anticorrosive paint, anti-flaming dope, heat-conductive coating and high intensity coating etc. have broad application prospects.
Invention content
The present invention is intended to provide a kind of watersoluble plumbago alkene acroleic acid polyurethane coating and preparation method thereof, provides a kind of base
The painting that self-cleaning in acroleic acid polyurethane lotion, and containing graphene is good, hardness is high, flexibility is good, resistance to ag(e)ing is excellent
Material and preparation method thereof.
Coating selection deionized water of the present invention is as decentralized medium, safety and environmental protection, wherein VOC（Organic volatile）
Content is significantly less than national standard.Graphene has both strong large specific surface area, good conductivity, chemical stability, mechanical property and leads
The advantages that hot property is excellent.New carbon graphene is both most thin material, and most tough material, the lamella of graphene
Conjugated structure is layering in polyurethane coating, forms fine and close isolation layer, obstructs and extend corrosive medium passes through road
Diameter slows down osmosis of the corrosive medium to paint film；In addition, with matrix coupled action can occur for graphene, reticular structure is formed,
Improve paint film electrical and thermal conductivity with this.Graphene solution is added in Aqueous acrylic urethane's coating by the present invention, significantly
Improve hydrophobic ability, hardness, flexibility and the ageing-resistant performance of coating；In addition, selecting deionized water as decentralized medium, peace
Loopful is protected.
The present invention is achieved by the following technical solutions：
The present invention provides a kind of watersoluble plumbago alkene acroleic acid polyurethane coating, including can film-forming contain graphene solution
First component and second component containing curing agent；First component and the proportioning of second component are：10:3-5；
Wherein, first component includes following component by mass percentage：
Acroleic acid polyurethane 60-65wt% of lotion that solid content is 50 ± 2%, 0.5-1wt% of dispersant, antifoaming agent 0.1-0.5
Wt%, 0.5-1wt% of levelling agent, 10-15wt% of deionized water, 20-27.1wt% of filler, 1.5-3wt% of cosolvent, graphene
0.3-0.5wt%, the sum of each component mass percentage is 100wt% in the first component；
Wherein, second component includes following component by mass percentage：
Curing agent 60-80 wt%, cosolvent 20-40 wt%, the sum of each component mass percentage is in the second component
100wt%。
In said program, the dispersant is one kind in cationic dispersing agent or anionic dispersing agent；
The antifoaming agent is one kind in organic silicon antifoaming agent or star-type polymer antifoaming agent；
The levelling agent is one kind in esters of acrylic acid levelling agent or silicone levelling agent.
In said program, the filler is 706 titanium dioxides.
In said program, cosolvent described in first component is propylene glycol methyl ether acetate and propylene-glycol diacetate mass ratio is
1:1 mixture.
In said program, the solid content of graphene solution described in first component is 4.7 ~ 5.3%.
In said program, the second component is the mixed solution used after the pure curing agent of hydrotropy dilution agent, and second component includes third
Olefin(e) acid polyaminoester emulsion curing agent and cosolvent；The acroleic acid polyurethane emulsion curing agent is the aqueous fat used in curing emulsion
Fat race curing agent.
In said program, the cosolvent in the second component is propylene glycol methyl ether acetate and propylene-glycol diacetate quality
Than being 1:1 mixture.
The present invention provides a kind of preparation methods of above-mentioned watersoluble plumbago alkene acroleic acid polyurethane coating, including walk as follows
Suddenly：
The preparation method of watersoluble plumbago alkene acroleic acid polyurethane coating first component described in I is：
(1) the acroleic acid polyurethane lotion of the first component formula amount is added into stirring container, setting rotating speed is
800-1200r/min stir 20min；
(2) and then the levelling agent of dispersant, the antifoaming agent of first component formula amount 80%, first component formula amount 40% is sequentially added, if
It is 800-1200r/min to set rotating speed, continues stirring to being uniformly dispersed；
(3) deionized water of filler, cosolvent, graphene solution and first component formula amount 80% is then sequentially added, setting turns
Speed is 1000-1500r/min, continues stirring to being uniformly dispersed；
(4) mixture that step (3) obtains is added in grinder, setting rotating speed is 2000-2500r/min, is ground to
Fineness≤20 μm；
(5) grinding slurry that step (4) obtains being added into stirring container, setting rotating speed is 1000-1200r/min, after
The deionized water of the antifoaming agent of continuous addition remainder, the levelling agent and first component formula amount 20% of remainder, is made first group
Point；
In the above process, antifoaming agent and levelling agent are secondary addition in two batches, step（2）With（5）The quality of the antifoaming agent of middle addition
Than being 8:2, step（2）With（5）The mass ratio of the levelling agent of middle addition is 4:6；
The preparation method of watersoluble plumbago alkene acroleic acid polyurethane coating second component described in II is：
(1) acroleic acid polyurethane emulsion curing agent is added into stirring container, setting rotating speed is 600-800r/min, stirring
10min；
(2) and then cosolvent is added, setting rotating speed is 800-1000r/min, continues stirring to being uniformly dispersed, second group is made
Point；
III using it is preceding by the first component prepared and second component by 10:3-5 is mixed to get watersoluble plumbago alkene acroleic acid polyurethane
Coating.
Beneficial effects of the present invention：
（1）The watersoluble plumbago alkene acroleic acid polyurethane coating that the present invention is formed has non-combustible characteristic, substantially increases product and exists
Safety during production, transport and storage.Watersoluble plumbago alkene acroleic acid polyurethane coating provided by the invention, shape after spraying
At paint film self-cleaning it is good, hardness can be improved 2-3 times, and flexibility is good, and adhesive force is excellent, and the ageing-resistant time is long, and environment friend
It is good.
（2）The preparation method of the present invention is environmentally protective, simple for process, operating condition is easily-controllable；The present invention is by graphene solution
It is added in Aqueous acrylic urethane's coating, watersoluble plumbago alkene acroleic acid polyurethane coating coating obtained is retaining impact resistance
While energy 50cm, cupping 6mm, resist bending 1mm, hardness is up to 5H, and the ageing-resistant time is up to 2000h or more.
Specific implementation mode
It is further illustrated the present invention below by embodiment, but is not limited to following embodiment.
Embodiment 1-3 provides the preparation method of watersoluble plumbago alkene acroleic acid polyurethane coating, includes the following steps：
The preparation method of watersoluble plumbago alkene acroleic acid polyurethane coating first component described in I is：
(1) the acroleic acid polyurethane lotion of first component formula amount as described in claim 1 is added into stirring container, if
It is 800r/min, stirring to set rotating speed；
(2) then sequentially add the dispersant of first component formula amount as described in claim 1, first component formula amount 80% disappears
The levelling agent of infusion, first component formula amount 40%, setting rotating speed are 800r/min, continue stirring to being uniformly dispersed；
(3) filler, cosolvent, graphene solution and the first of first component formula amount as described in claim 1 are then sequentially added
The deionized water of component formula amount 80%, setting rotating speed are 1200r/min, continue stirring to being uniformly dispersed；
(4) mixture that step (3) obtains is added in grinder, setting rotating speed be 2300r/min, be ground to fineness≤
20μm；
(5) grinding slurry that step (4) obtains is added into stirring container, setting rotating speed is 1200r/min, is continuously added
The antifoaming agent of first component formula amount 20% as described in claim 1, the levelling agent and first component formula of first component formula amount 60%
First component is made in the deionized water of amount 20%；
The preparation method of watersoluble plumbago alkene acroleic acid polyurethane coating second component described in II is：
(1) the acroleic acid polyurethane emulsion curing agent of second component formula amount as described in claim 1 is added to stirring container
In, setting rotating speed is 800r/min, stirring；
(2) and then the cosolvent of second component formula amount as described in claim 1 being sequentially added, setting rotating speed is 800r/min,
Continue stirring to being uniformly dispersed, second component is made；
The first component prepared and second component are mixed to get watersoluble plumbago alkene acroleic acid polyurethane coating by III using preceding.
The each component and percentage composition of the watersoluble plumbago alkene acroleic acid polyurethane coating of embodiment 1-3 are listed in table 1：
The each component and percentage composition for the watersoluble plumbago alkene acroleic acid polyurethane coating that 1 embodiment 1-3 of table provides
Wherein, the solid content of Aqueous acrylic urethane's lotion is 50%；Dispersant is high molecular weight dispersant；Antifoaming agent
For organic silicon antifoaming agent；Levelling agent is esters of acrylic acid levelling agent；Filler is 706 titanium dioxides；The solid content of graphene solution
It is 5%；The cosolvent of first and second components is propylene glycol methyl ether acetate (PMA) and propylene-glycol diacetate (PGDA) mass ratio is
1:1 mixture.
The watersoluble plumbago alkene acroleic acid polyurethane coating in use, by the first and second components in mass ratio 10:3 is mixed
It closes.
The watersoluble plumbago alkene acroleic acid polyurethane coating that embodiment 1-3 provides is tested for the property, test result and survey
Method for testing is as shown in table 2：
2 the performance test results of table
Claims (8)
1. a kind of watersoluble plumbago alkene acroleic acid polyurethane coating, which is characterized in that molten containing graphene including energy film-forming
The first component of liquid and the second component containing curing agent；First component and the quality proportioning of second component are：10:3-5；
Wherein, first component includes following component by mass percentage：
Acroleic acid polyurethane 60-65wt% of lotion that solid content is 50 ± 2%, 0.5-1wt% of dispersant, antifoaming agent 0.1-0.5
Wt%, 0.5-1wt% of levelling agent, 10-15wt% of deionized water, 20-27.1wt% of filler, 1.5-3wt% of cosolvent, graphene
0.3-0.5wt%, the sum of mass percentage of each component is 100wt% in the first component；
Wherein, second component includes following component by mass percentage：
Curing agent 60-80 wt%, cosolvent 20-40 wt%, the sum of each component mass percentage is in the second component
100wt%。
2. watersoluble plumbago alkene acroleic acid polyurethane coating as described in claim 1, which is characterized in that the dispersant be sun from
One kind in subtype dispersant or anionic dispersing agent；
The antifoaming agent is one kind in organic silicon antifoaming agent or star-type polymer antifoaming agent；
The levelling agent is one kind in esters of acrylic acid levelling agent or silicone levelling agent.
3. watersoluble plumbago alkene acroleic acid polyurethane coating as described in claim 1, which is characterized in that the filler is 706 titaniums
White powder.
4. watersoluble plumbago alkene acroleic acid polyurethane coating as described in claim 1, which is characterized in that cosolvent is in first component
Propylene glycol methyl ether acetate and propylene-glycol diacetate mass ratio are 1:1 mixture.
5. watersoluble plumbago alkene acroleic acid polyurethane coating as described in claim 1, which is characterized in that graphene is molten in first component
The solid content of liquid is 4.7 ~ 5.3%.
6. watersoluble plumbago alkene acroleic acid polyurethane coating as described in claim 1, which is characterized in that the second component is with helping
Solvent dilutes the mixed solution after pure curing agent, and second component includes acroleic acid polyurethane emulsion curing agent and cosolvent；Described third
Olefin(e) acid polyaminoester emulsion curing agent is the aqueous aliphatic firming agent used in curing emulsion.
7. watersoluble plumbago alkene acroleic acid polyurethane coating as claimed in claim 6, which is characterized in that helping in the second component
Solvent is propylene glycol methyl ether acetate and propylene-glycol diacetate mass ratio is 1:1 mixture.
8. the preparation method of the watersoluble plumbago alkene acroleic acid polyurethane coating described in a kind of any one of claim 1 ~ 7, special
Sign is, includes the following steps：
Step 1：The preparation method of watersoluble plumbago alkene acroleic acid polyurethane coating first component is：
(1) the acroleic acid polyurethane lotion of the first component formula amount is added into stirring container, setting rotating speed is
800-1200r/min stir 20min；
(2) and then the levelling agent of dispersant, the antifoaming agent of first component formula amount 80%, first component formula amount 40% is sequentially added, if
It is 800-1200r/min to set rotating speed, continues stirring to being uniformly dispersed；
(3) deionized water of filler, cosolvent, graphene solution and first component formula amount 80% is then sequentially added, setting turns
Speed is 1000-1500r/min, continues stirring to being uniformly dispersed；
(4) mixture that step (3) obtains is added in grinder, setting rotating speed is 2000-2500r/min, is ground to
Fineness≤20 μm；
(5) grinding slurry that step (4) obtains being added into stirring container, setting rotating speed is 1000-1200r/min, after
The deionized water of the antifoaming agent of continuous addition remainder, the levelling agent and first component formula amount 20% of remainder, is made first group
Point；
In the above process, antifoaming agent and levelling agent are secondary addition in two batches, step（2）With（5）The quality of the antifoaming agent of middle addition
Than being 8:2, step（2）With（5）The mass ratio of the levelling agent of middle addition is 4:6；
Step 2：The preparation method of watersoluble plumbago alkene acroleic acid polyurethane coating second component is：
(1) acroleic acid polyurethane emulsion curing agent is added into stirring container, setting rotating speed is 600-800r/min, stirring
10min；
(2) and then cosolvent is added, setting rotating speed is 800-1000r/min, continues stirring to being uniformly dispersed, second group is made
Point；
Step 3：Using it is preceding by the first component prepared and second component by 10:3-5 is mixed to get the poly- ammonia of watersoluble plumbago allyl olefin(e) acid
Ester paint.
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| CN201810259951.9A CN108587441A (en) | 2018-03-27 | 2018-03-27 | A kind of watersoluble plumbago alkene acroleic acid polyurethane coating and preparation method thereof |
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| CN201810259951.9A CN108587441A (en) | 2018-03-27 | 2018-03-27 | A kind of watersoluble plumbago alkene acroleic acid polyurethane coating and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109748537A (en) * | 2018-12-18 | 2019-05-14 | 宁波墨西科技有限公司 | A kind of graphene high-performance lacquer and preparation method thereof |
| CN110803903A (en) * | 2019-10-31 | 2020-02-18 | 中建材料技术研究成都有限公司 | High-toughness cement-based composite wallboard with photocatalytic function and preparation method |
| CN113025187A (en) * | 2020-04-13 | 2021-06-25 | 深圳市烯世传奇科技有限公司 | Super-hydrophobic graphene coating and preparation method and application thereof |
| CN115011158A (en) * | 2022-06-08 | 2022-09-06 | 广东美涂士建材股份有限公司 | Anticorrosive environment-friendly wood paint coating and preparation method thereof |
| CN115521698A (en) * | 2022-10-27 | 2022-12-27 | 柳州紫荆生态工程科技有限公司 | High-hardness graphene water-based paint and preparation method thereof |
| CN117866470A (en) * | 2024-03-04 | 2024-04-12 | 成都虹润制漆有限公司 | Modified composite coating for railway bridge steel structure and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109748537A (en) * | 2018-12-18 | 2019-05-14 | 宁波墨西科技有限公司 | A kind of graphene high-performance lacquer and preparation method thereof |
| CN110803903A (en) * | 2019-10-31 | 2020-02-18 | 中建材料技术研究成都有限公司 | High-toughness cement-based composite wallboard with photocatalytic function and preparation method |
| CN113025187A (en) * | 2020-04-13 | 2021-06-25 | 深圳市烯世传奇科技有限公司 | Super-hydrophobic graphene coating and preparation method and application thereof |
| CN115011158A (en) * | 2022-06-08 | 2022-09-06 | 广东美涂士建材股份有限公司 | Anticorrosive environment-friendly wood paint coating and preparation method thereof |
| CN115521698A (en) * | 2022-10-27 | 2022-12-27 | 柳州紫荆生态工程科技有限公司 | High-hardness graphene water-based paint and preparation method thereof |
| CN117866470A (en) * | 2024-03-04 | 2024-04-12 | 成都虹润制漆有限公司 | Modified composite coating for railway bridge steel structure and preparation method thereof |
| CN117866470B (en) * | 2024-03-04 | 2024-05-24 | 成都虹润制漆有限公司 | Modified composite coating for railway bridge steel structure and preparation method thereof |
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