CN110205009A - A kind of Aqueous acrylic urethane's intermediate coat and preparation method thereof - Google Patents
A kind of Aqueous acrylic urethane's intermediate coat and preparation method thereof Download PDFInfo
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- CN110205009A CN110205009A CN201910454719.5A CN201910454719A CN110205009A CN 110205009 A CN110205009 A CN 110205009A CN 201910454719 A CN201910454719 A CN 201910454719A CN 110205009 A CN110205009 A CN 110205009A
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- Prior art keywords
- component
- aqueous acrylic
- intermediate coat
- graphene
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Classifications
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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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of Aqueous acrylic urethane's intermediate coats, are made of component A and B component, and B component is curing agent；The component A presses mass fraction, composed of the following components: 35-45 parts of aqueous acrylic emulsion, 10~20 parts of pigment, 8~15 parts of mica powder, 0.8~1.2 part of white carbon black, 8~15 parts of talcum powder, 3~8 parts of dispersing agent, 0.5~1.5 part of defoaming agent, 0.1~0.5 part of levelling agent, 1~5 part of cosolvent, 0.1~0.5 part of fungicide, 0.5~1.5 part of graphene, 7~20 parts of deionized water.Using nano material graphene, graphene is one of highest material of known strength, while also having good toughness, and can be bent, and the theoretical Young's modulus of graphene reaches 1.0TPa, and intrinsic tensile strength is 130GPa.And also there is extraordinary intensity using the reduced graphene of hydrogen plasma modification, average modulus can big 0.25Tpa.Using nanometer new material be we product hardness height, good toughness, ply adhesion it is strong.
Description
Technical field
The invention belongs to the fields of aqueous intermediate coat, and in particular to a kind of Aqueous acrylic urethane's intermediate coat is used for
The protective layer of rolling stock, automobile, various fine features, metal shell mechanical equipment etc., uses as intermediate coat
Background technique
There are many invention about aqueous intermediate coat, focus mostly among the Aqueous acrylic urethane of aqueous acrylic emulsion
Paint, minority use other water-based emulsions, these aqueous intermediate coat performance indicators are different.Centre be mainly priming paint and finishing coat it
Between linking product, bending property require it is also high.What is be connected is good, that is otherwise on the contrary with regard to function admirable.Also there is interlayer attachment
Power is bad, and ideal requirement is not achieved for high-low temperature resistant repeat, and the object of coating is also resulted in not adapt between the South and the North
Amblent air temperature difference, equally also will affect the shuttle of the different places or areass such as rolling stock, cause product sell limitation.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of product hardness height, good toughness, ply adhesion strong water
Property acroleic acid polyurethane intermediate coat.
In order to solve the above technical problems, technical solution provided by the invention are as follows: a kind of Aqueous acrylic urethane's intermediate coat,
Aqueous acrylic urethane's intermediate coat is made of component A and B component, and B component is curing agent；The component A and B component
Mass ratio is 5:1；The component A presses mass fraction, composed of the following components:
The graphene: specific surface area >=300m2/ g, carbon content > 99.9%, partial size: 250~350nm, 700~
900nm or 1300~1600nm；
The aqueous acrylic emulsion, average grain diameter are 300~500nm, and solid content is 53~58 mass %, are glued
Degree is 1500~2000mPa.s.
The component A presses mass fraction, composed of the following components:
The component A presses mass fraction, composed of the following components:
Second technical problem to be solved by this invention is: providing a kind of preparation of Aqueous acrylic urethane's intermediate coat
Method.
To solve second technical problem, the technical solution adopted is that: a kind of system of Aqueous acrylic urethane's intermediate coat
Preparation Method the steps include: in proportion to mix pigment, mica powder, white carbon black, talcum powder, dispersing agent, defoaming agent, cosolvent, turn
Speed 800~1000 turns/min, high speed dispersion at least 30min are put into sand mill and are sanded to fineness≤30 μm, then with aqueous acrylamide
Yogurt liquid, levelling agent, graphene, fungicide are uniformly mixed, and obtain component A；The mixing in mass ratio of component A and B component is equal
It is even, obtain Aqueous acrylic urethane's intermediate coat.
The utility model has the advantages that graphene is one of highest material of known strength, while also being had using nano material graphene
Good toughness, and can be bent, the theoretical Young's modulus of graphene reaches 1.0TPa, and intrinsic tensile strength is 130GPa.And
Also there is extraordinary intensity using the reduced graphene of hydrogen plasma modification, average modulus can big 0.25Tpa.It is new using nanometer
Material is that our product hardness height, good toughness, ply adhesion is strong.
The high-specific surface area of graphene keeps its superficial attractive forces strong, and surface can be big, can form netted knot when coating is dry
Structure keeps coating finer and close to enhance the suction-operated of coating and substrate, improves coating to the adhesive force of substrate, meanwhile, have
Help improve the impact resistance of coating, crocking resistance, thermal conductivity, weatherability and antiseptic property.
Specific embodiment
Embodiment 1-5
Pigment, mica powder, white carbon black, auxiliary agent are commercial goods, are selected according to the demand used.
The preparation of Aqueous acrylic urethane's intermediate coat the steps include: pigment, mica powder, white carbon black, talcum powder, divide
Powder, defoaming agent, cosolvent mix in proportion, 800~1000 turns/min of revolving speed, and high speed dispersion at least 30min is put into sand mill
It is middle to be sanded to fineness≤30 μm, then be uniformly mixed with aqueous acrylic emulsion, levelling agent, graphene, fungicide, obtain component A；
By being uniformly mixed in mass ratio for component A and B component, Aqueous acrylic urethane's intermediate coat is obtained.
Specific parts by weight such as the following table 1 of component A raw material in manufacturing process, experiment colleague set 5 groups of data, are Tables 1 and 2
In embodiment 1-5, set comparative example simultaneously when experiment, do not add nano material graphene in comparative example, remaining component and implement
Example 5 is identical.Aqueous acrylic urethane's intermediate coat obtained in each embodiment and comparative example is tested for the property, each coating
Performance indexes such as the following table 2.
Table 1: the specific components by weight percent of each raw material in embodiment and comparative example:
Table 2: each paint coatings system testing performance index result that embodiment and comparative example obtain:
The performance that can be seen that Examples 1 to 5 product from 2 embodiment of table analysis result is substantially better than comparative example, embodiment
4 and 5 impact of performance are more preferably.
Claims (4)
1. a kind of Aqueous acrylic urethane's intermediate coat, it is characterised in that: Aqueous acrylic urethane's intermediate coat is by component A
It is formed with B component, B component is curing agent；The mass ratio of the component A and B component is 5:1；The component A presses mass fraction,
It is composed of the following components:
The graphene: specific surface area >=300m2/ g, carbon content > 99.9%, partial size: 250~350nm, 700~900nm or
1300~1600nm；
The aqueous acrylic emulsion, average grain diameter are 300~500nm, and solid content is 53~58 mass %, and viscosity is
1500~2000mPa.s.
2. a kind of Aqueous acrylic urethane's intermediate coat according to claim 1, it is characterised in that: the component A presses matter
Number is measured, composed of the following components:
3. a kind of Aqueous acrylic urethane's intermediate coat according to claim 2, it is characterised in that: the component A presses matter
Number is measured, composed of the following components:
4. a kind of preparation method of Aqueous acrylic urethane's intermediate coat, the steps include: face described in claim 1,2,3
Material, mica powder, white carbon black, talcum powder, dispersing agent, defoaming agent, cosolvent mix in proportion, 800~1000 turns/min of revolving speed, high
Speed dispersion at least 30min, is put into sand mill and is sanded to fineness≤30 μm, then with aqueous acrylic emulsion, levelling agent, graphite
Alkene, fungicide are uniformly mixed, and obtain component A；By being uniformly mixed in mass ratio for component A and B component, it is poly- to obtain water soluble acrylic acid
Urethane intermediate coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910454719.5A CN110205009A (en) | 2019-05-29 | 2019-05-29 | A kind of Aqueous acrylic urethane's intermediate coat and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910454719.5A CN110205009A (en) | 2019-05-29 | 2019-05-29 | A kind of Aqueous acrylic urethane's intermediate coat and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110205009A true CN110205009A (en) | 2019-09-06 |
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|---|---|---|---|
| CN201910454719.5A Pending CN110205009A (en) | 2019-05-29 | 2019-05-29 | A kind of Aqueous acrylic urethane's intermediate coat and preparation method thereof |
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Citations (6)
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|---|---|---|---|---|
| CN106590252A (en) * | 2016-12-15 | 2017-04-26 | 深圳大学 | Graphene-modified building exterior wall heat-insulation coating and preparation method thereof |
| CN107057545A (en) * | 2016-12-28 | 2017-08-18 | 中国海洋石油总公司 | Applied in aqueous dual-component acroleic acid polyurethane and preparation method thereof |
| CN107163799A (en) * | 2017-07-10 | 2017-09-15 | 漳州鑫展旺化工有限公司 | A kind of striking waters property of Gao Naishi exempts from painting and preparation method thereof in mill high temperature |
| WO2018013547A1 (en) * | 2016-07-11 | 2018-01-18 | Microtek Laboratories, Inc. | Microcapsules having dual reagents separated by the capsule wall and methods for making same |
| CN107790362A (en) * | 2017-10-18 | 2018-03-13 | 上海都为电子有限公司 | A kind of graphene steel wire and its production technology |
| CN108395752A (en) * | 2018-03-24 | 2018-08-14 | 厦门中凯新材石墨烯科技有限公司 | Coating and preparation method thereof is applied in a kind of graphene anticorrosion |
-
2019
- 2019-05-29 CN CN201910454719.5A patent/CN110205009A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018013547A1 (en) * | 2016-07-11 | 2018-01-18 | Microtek Laboratories, Inc. | Microcapsules having dual reagents separated by the capsule wall and methods for making same |
| CN106590252A (en) * | 2016-12-15 | 2017-04-26 | 深圳大学 | Graphene-modified building exterior wall heat-insulation coating and preparation method thereof |
| CN107057545A (en) * | 2016-12-28 | 2017-08-18 | 中国海洋石油总公司 | Applied in aqueous dual-component acroleic acid polyurethane and preparation method thereof |
| CN107163799A (en) * | 2017-07-10 | 2017-09-15 | 漳州鑫展旺化工有限公司 | A kind of striking waters property of Gao Naishi exempts from painting and preparation method thereof in mill high temperature |
| CN107790362A (en) * | 2017-10-18 | 2018-03-13 | 上海都为电子有限公司 | A kind of graphene steel wire and its production technology |
| CN108395752A (en) * | 2018-03-24 | 2018-08-14 | 厦门中凯新材石墨烯科技有限公司 | Coating and preparation method thereof is applied in a kind of graphene anticorrosion |
Non-Patent Citations (1)
| Title |
|---|
| 李银峰等: "《碳纳米材料制备及其应用研究》", 31 March 2019, 中国原子能出版社 * |
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Application publication date: 20190906 |
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