CN108250938A - A kind of high rigidity hollow rail aluminium alloy plate - Google Patents
A kind of high rigidity hollow rail aluminium alloy plate Download PDFInfo
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- CN108250938A CN108250938A CN201711461726.5A CN201711461726A CN108250938A CN 108250938 A CN108250938 A CN 108250938A CN 201711461726 A CN201711461726 A CN 201711461726A CN 108250938 A CN108250938 A CN 108250938A
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- aluminium alloy
- alloy plate
- high rigidity
- hollow rail
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/0666—Polycondensates containing five-membered rings, condensed with other rings, with nitrogen atoms as the only ring hetero atoms
- C08G73/0672—Polycondensates containing five-membered rings, condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only one nitrogen atom in the ring
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
Abstract
The invention discloses a kind of high rigidity hollow rail aluminium alloy plate, including aluminium alloy plate matrix and it is coated on the high hardness polyurethane priming paint of aluminium alloy plate matrix surface；The raw material of the high hardness polyurethane priming paint includes by weight：30 40 parts of acroleic acid polyurethane, 15 25 parts of phenol-formaldehyde resin modified, 1.3 1.5 parts of talcum powder, 0.5 1 parts of ultra-fine barium sulfate, 0.6 0.9 parts of antifoaming agent, 0.5 0.8 parts of dispersant, 0.3 0.6 parts of film forming agent.The present invention has excellent wear-resisting property, while has good film forming and processing performance.
Description
Technical field
The present invention relates to aluminium alloy plate technical fields, and in particular to a kind of high rigidity hollow rail aluminium alloy plate.
Background technology
Aluminium alloy plate is a kind of industrial building materials, according to the difference of material for industry-by-industry, can be divided by surface treatment mode
For non-japanning product and japanning two major class of product.The industry used has aircaft configuration, rivet, hardware, truck hub, packaging
And adiabatic aluminium foil, heat exchanger, bulkhead, rib, spar etc..
And the wear-resisting property of existing hollow rail aluminium alloy plate is not high, it is impossible to meet the daily demand of people.
Invention content
Technical problems based on background technology, the present invention propose a kind of high rigidity hollow rail aluminium alloy plate；This
Invention has excellent wear-resisting property, while has good film forming and processing performance.
A kind of high rigidity hollow rail aluminium alloy plate proposed by the present invention, including aluminium alloy plate matrix and is coated on aluminium alloy
The high hardness polyurethane priming paint of plate matrix surface；The raw material of the high hardness polyurethane priming paint includes by weight：Acrylic acid gathers
30-40 parts of urethane, 15-25 parts of phenol-formaldehyde resin modified, 1.3-1.5 parts of talcum powder, 0.5-1 parts of ultra-fine barium sulfate, antifoaming agent 0.6-
0.9 part, 0.5-0.8 parts of dispersant, 0.3-0.6 parts of film forming agent.
Preferably, the raw material of the high hardness polyurethane priming paint includes by weight：32-38 parts of acroleic acid polyurethane changes
Property 17-23 parts of phenolic resin, 1.35-1.45 parts of talcum powder, 0.6-0.9 parts of ultra-fine barium sulfate, 0.65-0.85 parts of antifoaming agent, point
0.55-0.75 parts of powder, 0.35-0.55 parts of film forming agent.
Preferably, phenol-formaldehyde resin modified, talcum powder weight ratio be 18-22：1.35-1.4.
Preferably, the mass ratio of acroleic acid polyurethane and film forming agent is 35：0.4.
Preferably, the preparation method of phenol-formaldehyde resin modified is：By third of nanometer silicon carbide and mass fraction for 10-15wt%
Ketone aqueous solution mixes, and is subsequently added into the aqueous dopamine solution that mass fraction is 30-40wt%, and ultrasonic vibration 2-3h is subsequently added into
Ammonium persulfate reacts 3-4h, and obtained reactant is filtered, wash, dry, is ground, obtains powders A；Add into powders A
Enter phenolic resin, ball milling 5-6h is subsequently added into curing agent and is uniformly mixed, obtains phenol-formaldehyde resin modified.
Preferably, the quality volume (g/ml) of nanometer silicon carbide and aqueous dopamine solution is than being 1：2-3.
Preferably, the mass ratio of nanometer silicon carbide and ammonium persulfate is 1：0.05-0.2.
Preferably, powders A and the quality volume (g/ml) of phenolic resin are than being 1：3-5.
Preferably, the volume ratio of phenolic resin and curing agent is 1：0.2-0.5.
Above-mentioned antifoaming agent, dispersant, film forming agent, curing agent type be not construed as limiting, conventional selection.
The preparation method of the present invention is not construed as limiting, and is conventionally prepared.
The present invention adds acroleic acid polyurethane in polyurethane primer, and weather resistance is excellent, has good guarantor's light, protects color
Performance has high adhesion force and good mechanical performance etc.；Talcum powder is added, skeleton function is played, with acroleic acid polyurethane phase
Capacitive is good, and polyurethane primer can be made to have good hardness of paint film after interworking；Phenol-formaldehyde resin modified is added, and it passes through nano-sized carbon
The polymer of SiClx and dopamine is modified, and due to nanometer silicon carbide large specific surface area, high surface, apparent density is low,
With high rigidity, the features such as high-wearing feature and good self-lubricating, high thermoconductivity, low thermal coefficient of expansion and big elevated temperature strength,
After making phenol-formaldehyde resin modified that there is excellent crushing resistance, with acroleic acid polyurethane, talcum powder mating reaction after introducing, significantly
The hardness of the present invention is enhanced, while makes the present invention that there is good film forming and processing performance；Ultra-fine barium sulfate is added, it is high
It is whiteness, good without stain, free from admixture, dispersibility, and with good wetability, outstanding acidproof, high temperature resistant, corrosion resistance
Can, coordinate with phenol-formaldehyde resin modified, further promote the hardness and wear-resisting property of the present invention, while it is good to have the present invention
High temperature resistant and corrosion resistance；Dispersant, antifoaming agent and film forming agent are added, with major constituent mating reaction, further increases this hair
Bright film forming and processing performance.
Specific embodiment
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of high rigidity hollow rail aluminium alloy plate including aluminium alloy plate matrix and is coated on aluminium alloy plate matrix surface
High hardness polyurethane priming paint；The raw material of the high hardness polyurethane priming paint includes by weight：30 parts of acroleic acid polyurethane is modified
25 parts of phenolic resin, 1.3 parts of talcum powder, 1 part of ultra-fine barium sulfate, 0.6 part of antifoaming agent, 0.8 part of dispersant, 0.3 part of film forming agent.
Embodiment 2
A kind of high rigidity hollow rail aluminium alloy plate including aluminium alloy plate matrix and is coated on aluminium alloy plate matrix surface
High hardness polyurethane priming paint；The raw material of the high hardness polyurethane priming paint includes by weight：40 parts of acroleic acid polyurethane is modified
15 parts of phenolic resin, 1.5 parts of talcum powder, 0.5 part of ultra-fine barium sulfate, 0.9 part of antifoaming agent, 0.5 part of dispersant, 0.6 part of film forming agent；
Wherein, the preparation method of phenol-formaldehyde resin modified is：By the acetone water of nanometer silicon carbide and mass fraction for 10wt%
Solution mixes, and is subsequently added into the aqueous dopamine solution that mass fraction is 40wt%, and it is anti-to be subsequently added into ammonium persulfate by ultrasonic vibration 2h
4h is answered, obtained reactant is filtered, wash, dry, is ground, obtains powders A；Phenolic resin, ball are added in into powders A
5h is ground, curing agent is subsequently added into and is uniformly mixed, obtain phenol-formaldehyde resin modified.
Embodiment 3
A kind of high rigidity hollow rail aluminium alloy plate including aluminium alloy plate matrix and is coated on aluminium alloy plate matrix surface
High hardness polyurethane priming paint；The raw material of the high hardness polyurethane priming paint includes by weight：35 parts of acroleic acid polyurethane is modified
20 parts of phenolic resin, 1.4 parts of talcum powder, 0.8 part of ultra-fine barium sulfate, 0.8 part of antifoaming agent, 0.7 part of dispersant, 0.4 part of film forming agent；
Wherein, the preparation method of phenol-formaldehyde resin modified is：By the acetone water of nanometer silicon carbide and mass fraction for 15wt%
Solution mixes, and is subsequently added into the aqueous dopamine solution that mass fraction is 30wt%, and it is anti-to be subsequently added into ammonium persulfate by ultrasonic vibration 3h
3h is answered, obtained reactant is filtered, wash, dry, is ground, obtains powders A；Phenolic resin, ball are added in into powders A
6h is ground, curing agent is subsequently added into and is uniformly mixed, obtain phenol-formaldehyde resin modified；
The quality volume (g/ml) of nanometer silicon carbide and aqueous dopamine solution is than being 1：2.
Embodiment 4
A kind of high rigidity hollow rail aluminium alloy plate including aluminium alloy plate matrix and is coated on aluminium alloy plate matrix surface
High hardness polyurethane priming paint；The raw material of the high hardness polyurethane priming paint includes by weight：32 parts of acroleic acid polyurethane is modified
23 parts of phenolic resin, 1.35 parts of talcum powder, 0.9 part of ultra-fine barium sulfate, 0.65 part of antifoaming agent, 0.75 part of dispersant, film forming agent
0.35 part；
Wherein, the preparation method of phenol-formaldehyde resin modified is：By the acetone water of nanometer silicon carbide and mass fraction for 12wt%
Solution mixes, and is subsequently added into the aqueous dopamine solution that mass fraction is 38wt%, and ultrasonic vibration 2.5h is subsequently added into ammonium persulfate
3.5h is reacted, obtained reactant is filtered, wash, dry, is ground, obtains powders A；Phenolic aldehyde tree is added in into powders A
Fat, ball milling 5.5h are subsequently added into curing agent and are uniformly mixed, obtain phenol-formaldehyde resin modified；
The quality volume (g/ml) of nanometer silicon carbide and aqueous dopamine solution is than being 1：3；
The mass ratio of nanometer silicon carbide and ammonium persulfate is 1：0.05；
Powders A and the quality volume (g/ml) of phenolic resin are than being 1：5.
Embodiment 5
A kind of high rigidity hollow rail aluminium alloy plate including aluminium alloy plate matrix and is coated on aluminium alloy plate matrix surface
High hardness polyurethane priming paint；The raw material of the high hardness polyurethane priming paint includes by weight：38 parts of acroleic acid polyurethane is modified
17 parts of phenolic resin, 1.45 parts of talcum powder, 0.6 part of ultra-fine barium sulfate, 0.85 part of antifoaming agent, 0.55 part of dispersant, film forming agent
0.55 part；
Wherein, the preparation method of phenol-formaldehyde resin modified is：By the acetone water of nanometer silicon carbide and mass fraction for 14wt%
Solution mixes, and is subsequently added into the aqueous dopamine solution that mass fraction is 32wt%, and ultrasonic vibration 2.5h is subsequently added into ammonium persulfate
3.5h is reacted, obtained reactant is filtered, wash, dry, is ground, obtains powders A；Phenolic aldehyde tree is added in into powders A
Fat, ball milling 5.5h are subsequently added into curing agent and are uniformly mixed, obtain phenol-formaldehyde resin modified；
The quality volume (g/ml) of nanometer silicon carbide and aqueous dopamine solution is than being 1：2.5；
The mass ratio of nanometer silicon carbide and ammonium persulfate is 1：0.2；
Powders A and the quality volume (g/ml) of phenolic resin are than being 1：3.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one 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 (9)
1. a kind of high rigidity hollow rail aluminium alloy plate, which is characterized in that including aluminium alloy plate matrix and be coated on aluminium alloy plate
The high hardness polyurethane priming paint of matrix surface；The raw material of the high hardness polyurethane priming paint includes by weight：The poly- ammonia of acrylic acid
30-40 parts of ester, 15-25 parts of phenol-formaldehyde resin modified, 1.3-1.5 parts of talcum powder, 0.5-1 parts of ultra-fine barium sulfate, antifoaming agent 0.6-0.9
Part, 0.5-0.8 parts of dispersant, 0.3-0.6 parts of film forming agent.
2. high rigidity hollow rail aluminium alloy plate according to claim 1, which is characterized in that the high hardness polyurethane priming paint
Raw material include by weight：32-38 parts of acroleic acid polyurethane, 17-23 parts of phenol-formaldehyde resin modified, 1.35-1.45 parts of talcum powder,
0.6-0.9 parts of ultra-fine barium sulfate, 0.65-0.85 parts of antifoaming agent, 0.55-0.75 parts of dispersant, 0.35-0.55 parts of film forming agent.
3. high rigidity hollow rail aluminium alloy plate according to claim 1 or claim 2, which is characterized in that phenol-formaldehyde resin modified, talcum
The weight ratio of powder is 18-22：1.35-1.4.
4. according to any one of the claim 1-3 high rigidity hollow rail aluminium alloy plates, which is characterized in that acroleic acid polyurethane
Mass ratio with film forming agent is 35：0.4.
5. according to any one of the claim 1-4 high rigidity hollow rail aluminium alloy plates, which is characterized in that phenol-formaldehyde resin modified
Preparation method be：Nanometer silicon carbide is mixed with the aqueous dopamine solution of 30-40wt%, ultrasonic vibration 2-3h is subsequently added into
Ammonium persulfate reacts 3-4h, and obtained reactant is filtered, wash, dry, is ground, obtains powders A；Add into powders A
Enter phenolic resin, ball milling 5-6h is subsequently added into curing agent and is uniformly mixed, obtains phenol-formaldehyde resin modified.
6. high rigidity hollow rail aluminium alloy plate according to claim 5, which is characterized in that nanometer silicon carbide and DOPA aqueous amine
The quality volume (g/ml) of solution is than being 1：2-3.
7. according to the high rigidity hollow rail aluminium alloy plate of claim 5 or 6, which is characterized in that nanometer silicon carbide and over cure
The mass ratio of sour ammonium is 1：0.05-0.2.
8. according to any one of the claim 5-7 high rigidity hollow rail aluminium alloy plates, which is characterized in that powders A and phenolic aldehyde
The quality volume (g/ml) of resin is than being 1：3-5.
9. according to any one of the claim 5-8 high rigidity hollow rail aluminium alloy plates, which is characterized in that phenolic resin is with consolidating
The volume ratio of agent is 1：0.2-0.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711461726.5A CN108250938A (en) | 2017-12-28 | 2017-12-28 | A kind of high rigidity hollow rail aluminium alloy plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711461726.5A CN108250938A (en) | 2017-12-28 | 2017-12-28 | A kind of high rigidity hollow rail aluminium alloy plate |
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| Publication Number | Publication Date |
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| CN108250938A true CN108250938A (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711461726.5A Pending CN108250938A (en) | 2017-12-28 | 2017-12-28 | A kind of high rigidity hollow rail aluminium alloy plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294613A (en) * | 2021-04-30 | 2021-08-24 | 江苏龙山管件有限公司 | High-temperature-resistant alloy elbow and processing technology thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245659A (en) * | 2008-03-21 | 2008-08-20 | 朱金龙 | Nano-fluorine carbon self-cleaning metal composite board and manufacturing method thereof |
| CN101396690A (en) * | 2007-09-28 | 2009-04-01 | 关西涂料株式会社 | Multilayer coating film-forming method |
| CN102504694A (en) * | 2011-12-19 | 2012-06-20 | 大连理工大学 | Water-based naon-sized pre-coated coil top coating and preparation method thereof |
| CN105440583A (en) * | 2015-12-04 | 2016-03-30 | 武汉理工大学 | Dopamine compound modified or coated nano particle modified polymer composite material and preparation method thereof |
| WO2016086631A1 (en) * | 2014-12-01 | 2016-06-09 | 合众（佛山）化工有限公司 | Preparation method for aqueous cycloaliphatic isocyanate modified polyester photocurable resin |
-
2017
- 2017-12-28 CN CN201711461726.5A patent/CN108250938A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101396690A (en) * | 2007-09-28 | 2009-04-01 | 关西涂料株式会社 | Multilayer coating film-forming method |
| CN101245659A (en) * | 2008-03-21 | 2008-08-20 | 朱金龙 | Nano-fluorine carbon self-cleaning metal composite board and manufacturing method thereof |
| CN102504694A (en) * | 2011-12-19 | 2012-06-20 | 大连理工大学 | Water-based naon-sized pre-coated coil top coating and preparation method thereof |
| WO2016086631A1 (en) * | 2014-12-01 | 2016-06-09 | 合众（佛山）化工有限公司 | Preparation method for aqueous cycloaliphatic isocyanate modified polyester photocurable resin |
| CN105440583A (en) * | 2015-12-04 | 2016-03-30 | 武汉理工大学 | Dopamine compound modified or coated nano particle modified polymer composite material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294613A (en) * | 2021-04-30 | 2021-08-24 | 江苏龙山管件有限公司 | High-temperature-resistant alloy elbow and processing technology thereof |
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Application publication date: 20180706 |