CN109294370A - A kind of high cracking resistance damping paint and preparation method thereof - Google Patents
A kind of high cracking resistance damping paint and preparation method thereof Download PDFInfo
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- CN109294370A CN109294370A CN201811132423.3A CN201811132423A CN109294370A CN 109294370 A CN109294370 A CN 109294370A CN 201811132423 A CN201811132423 A CN 201811132423A CN 109294370 A CN109294370 A CN 109294370A
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- cracking resistance
- high cracking
- damping paint
- resistance damping
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
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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 high cracking resistance damping paints and preparation method thereof, belong to damping material field, the high cracking resistance damping paint includes the raw material of following parts by weight: 30-46 parts of pure-acrylic emulsion, 24-28 parts of venamul, 22-24 parts of neoprene, 18-26 parts of graphene, 5-7 parts of silica, 19-25 parts of diatomite, 1-3 parts of coalescing agent, 2-4 parts of fire retardant, 2-4 parts of dispersing agent.High cracking resistance damping paint of the present invention has excellent flexibility and cracking resistance, improves damping capacity, solves the problems, such as paint film cracking.
Description
Technical field
The present invention relates to damping material fields, and in particular to a kind of high cracking resistance damping paint and preparation method thereof.
Background technique
Suitable filler is added by macromolecule resin for damping paint and auxiliary material is formulated, and is that one kind can be coated in
On various metal plate-like structure surfaces, the sapecial coating with vibration damping, insulation and certain sealing performance be can be widely used in winged
Machine, ship, vehicle and various machinery vibration damping.Since coating can be painted on body structure surface, thus it is easy for construction, it is especially right
Complicated surface such as naval vessels, aircraft etc. more embodies its superiority.Since damping paint itself does not have enough power
Intensity is learned, so being usually to constitute specific coating structure just coated on substrate surface to play the effect of vibration and noise reducing, is measured
The physical quantity of damping paint damping is complex loss factor η, and usual η >=0.03 is i.e. it is believed that material tool is damping material
Material, η >=0.05 have engineering application value.The damping paint of early stage is mainly that the addition such as coal tar asphalt, polyurethane is specific
Filler and be made, since this kind of damping paint contains a large amount of VOC, environmental pollution is heavier and serious damage construction personnel
The health of body, is gradually eliminated.But current damping paint anti-crack ability is weak, and common damping paint is coated in profile
Above, when 90 ° of profile excessive coatings are easy to produce problem of Cracking.There is presently no a kind of existing excellent damping and amortizations of damping material
Can, and have excellent cracking resistance.
Summary of the invention
The purpose of the present invention is to provide a kind of high cracking resistance damping paints and preparation method thereof, and the damping paint has
Excellent flexibility and cracking resistance, improves damping capacity, solves the problems, such as paint film cracking.
To achieve the above object, the invention provides the following technical scheme:
A kind of high cracking resistance damping paint, the raw material including following parts by weight: 30-46 parts of pure-acrylic emulsion, polyvinyl acetate
24-28 parts of lotion, 22-24 parts of neoprene, 18-26 parts of graphene, 5-7 parts of silica, 19-25 parts of diatomite, film forming help
1-3 parts of agent, 2-4 parts of fire retardant, 2-4 parts of dispersing agent.
Preferably, the high cracking resistance damping paint, the raw material including following parts by weight: 38 parts of pure-acrylic emulsion, poly- acetic acid second
It is 26 parts of enester lotion, 23 parts of neoprene, 22 parts of graphene, 6 parts of silica, 22 parts of diatomite, 2 parts of coalescing agent, fire-retardant
3 parts of agent, 3 parts of dispersing agent.
Preferably, the coalescing agent is alcohol ester 12 or propylene glycol phenylate.
Preferably, the fire retardant is the mixture that tributyl phosphate and melamine form, wherein tributyl phosphate 45-
65 parts, 21-25 parts of melamine.
Preferably, the dispersing agent is aqueous dispersion.
Preferably, a kind of preparation method of high cracking resistance damping paint, comprising the following steps:
(1) neoprene is put into mixing 30-40min in mixer, obtains the rubber of molten condition；
(2) graphene is put into anxious interior of freezing and suddenly freezes 35-55min, through low-temperature vacuum drying 50-60min after taking-up, then
With dispersant, dispersed with ultrasonic wave, obtains mixed liquor；
(3) rubber of molten condition is uniformly mixed with pure-acrylic emulsion, venamul, addition silica,
Mixed liquor stirs 20-30min, adds diatomite, coalescing agent, fire retardant and continues to stir 15-20min, filtering discharges, i.e.,
Obtain the high cracking resistance damping paint.
Preferably, in the step (1), the temperature of mixer is 80-100 DEG C.
Preferably, in the step (2), the anxious temperature for freezing room is -75--85 DEG C.
Preferably, in the step (3), mixing speed is 250-280r/min.
Compared with prior art, the beneficial effects of the present invention are:
(1) neoprene is added in the present invention, improves tensile strength and oil resistant, resistance to chemical corrosion, and pure-acrylic emulsion gathers
Vinyl acetate emulsion is safe and harmless, and graphene, silica, diatomite are porous material, and venamul can be with
The compatibility for improving graphene, silica, diatomite, the problem of preventing paint film appearance cracking after paint solidification, be bubbled.
(2) graphene has good toughness and heat-conductive characteristic, improves addition graphene, enhances the soft of damping paint
Toughness and anti-crack ability, and graphene is subjected to anxious jelly, drying, it can preferably play the advantage of graphene.
(3) damping paint damping temp field width of the present invention all has good sound insulation damping effect in height temperature area
Fruit, and there is excellent anti-crack ability.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff every other embodiment obtained without making creative work belongs to what the present invention protected
Range.
Embodiment 1
A kind of high cracking resistance damping paint described in the present embodiment, the raw material including following parts by weight: 30 parts of pure-acrylic emulsion,
24 parts of venamul, 22 parts of neoprene, 18 parts of graphene, 5 parts of silica, 19 parts of diatomite, coalescing agent 1
Part, 2 parts of fire retardant, 2 parts of dispersing agent；The coalescing agent is alcohol ester 12；The fire retardant is tributyl phosphate and melamine
The mixture of amine composition, wherein 45 parts of tributyl phosphate, 21 parts of melamine；The dispersing agent is aqueous dispersion.
A kind of preparation method of high cracking resistance damping paint, comprising the following steps:
(1) neoprene is put into mixer, the mixing 30min at 80 DEG C obtains the rubber of molten condition；
(2) by graphene be put into it is anxious freeze indoor, suddenly freeze 35min at -75 DEG C, through low-temperature vacuum drying 50min after taking-up,
Then with dispersant, dispersed with ultrasonic wave, obtain mixed liquor；
(3) rubber of molten condition is uniformly mixed with pure-acrylic emulsion, venamul, addition silica,
Mixed liquor stirs 20min, adds diatomite, coalescing agent, fire retardant and continues to stir 15min, mixing speed is 250r/
Then min filters, discharges to get the high cracking resistance damping paint.
Embodiment 2
A kind of high cracking resistance damping paint described in the present embodiment, the raw material including following parts by weight: 38 parts of pure-acrylic emulsion,
26 parts of venamul, 23 parts of neoprene, 22 parts of graphene, 6 parts of silica, 22 parts of diatomite, coalescing agent 2
Part, 3 parts of fire retardant, 3 parts of dispersing agent；The coalescing agent is propylene glycol phenylate；The fire retardant is tributyl phosphate and trimerization
The mixture of cyanamide composition, wherein 55 parts of tributyl phosphate, 23 parts of melamine；The dispersing agent is aqueous dispersion.
A kind of preparation method of high cracking resistance damping paint, comprising the following steps:
(1) neoprene is put into mixer, the mixing 35min at 90 DEG C obtains the rubber of molten condition；
(2) by graphene be put into it is anxious freeze indoor, suddenly freeze 45min at -80 DEG C, through low-temperature vacuum drying 55min after taking-up,
Then with dispersant, dispersed with ultrasonic wave, obtain mixed liquor；
(3) rubber of molten condition is uniformly mixed with pure-acrylic emulsion, venamul, addition silica,
Mixed liquor stirs 25min, adds diatomite, coalescing agent, fire retardant and continues to stir 17min, mixing speed is 265r/
Then min filters, discharges to get the high cracking resistance damping paint.
Embodiment 3
A kind of high cracking resistance damping paint described in the present embodiment, the raw material including following parts by weight: 46 parts of pure-acrylic emulsion,
28 parts of venamul, 24 parts of neoprene, 26 parts of graphene, 7 parts of silica, 25 parts of diatomite, coalescing agent 3
Part, 4 parts of fire retardant, 4 parts of dispersing agent；The coalescing agent is propylene glycol phenylate；The fire retardant is tributyl phosphate and trimerization
The mixture of cyanamide composition, wherein 65 parts of tributyl phosphate, 25 parts of melamine；The dispersing agent is aqueous dispersion.
A kind of preparation method of high cracking resistance damping paint, comprising the following steps:
(1) neoprene is put into mixer, the mixing 40min at 100 DEG C obtains the rubber of molten condition；
(2) by graphene be put into it is anxious freeze indoor, suddenly freeze 55min at -85 DEG C, through low-temperature vacuum drying 60min after taking-up,
Then with dispersant, dispersed with ultrasonic wave, obtain mixed liquor；
(3) rubber of molten condition is uniformly mixed with pure-acrylic emulsion, venamul, addition silica,
Mixed liquor stirs 30min, adds diatomite, coalescing agent, fire retardant and continues to stir 20min, mixing speed is 280r/
Then min filters, discharges to get the high cracking resistance damping paint.
Comparative example 1
Be in place of this comparative example and the difference of embodiment 2: without neoprene, and corresponding steps remove.This comparative example
A kind of middle high cracking resistance damping paint, the raw material including following parts by weight: 46 parts of pure-acrylic emulsion, 28 parts of venamul,
26 parts of graphene, 7 parts of silica, 25 parts of diatomite, 3 parts of coalescing agent, 4 parts of fire retardant, 4 parts of dispersing agent.
Comparative example 2
It is in place of this comparative example and the difference of embodiment 2: not containing graphene, and corresponding steps remove.In this comparative example
A kind of high cracking resistance damping paint, the raw material including following parts by weight: 46 parts of pure-acrylic emulsion, 28 parts of venamul, chlorine
23 parts of buna, 7 parts of silica, 25 parts of diatomite, 3 parts of coalescing agent, 4 parts of fire retardant, 4 parts of dispersing agent.
Comparative example 3
Be in place of this comparative example and the difference of embodiment 2: without venamul, and corresponding steps remove.
A kind of high cracking resistance damping paint in this comparative example, the raw material including following parts by weight: 38 parts of pure-acrylic emulsion, 23 parts of neoprene,
22 parts of graphene, 6 parts of silica, 22 parts of diatomite, 2 parts of coalescing agent, 3 parts of fire retardant, 3 parts of dispersing agent.
Comparative example 4
Be in place of this comparative example and the difference of embodiment 2: preparation method is different.This comparative example the preparation method is as follows:
(1) neoprene is put into mixer, the mixing 35min at 90 DEG C obtains the rubber of molten condition；
(2) by graphene and dispersant, dispersed with ultrasonic wave, obtain mixed liquor；
(3) rubber of molten condition is uniformly mixed with pure-acrylic emulsion, venamul, addition silica,
Mixed liquor stirs 25min, adds diatomite, coalescing agent, fire retardant and continues to stir 17min, mixing speed is 265r/
Then min filters, discharges to get the high cracking resistance damping paint.
Product made from embodiment 1-3 and comparative example 1-4 is subjected to performance detection, testing result is as shown in Table 1 and Table 2:
1 the performance test results of table
In table 1, corrosion resistance test method is as follows: using mass fraction to impregnate for 6% NaOH, accelerated corrosion at 35 DEG C
Test.Impact resistance testing experiment is carried out through -40 DEG C of freezings are lower, and damping temperature domain is the temperature model of fissipation factor >=0.3
It encloses.
The fissipation factor of product is made in table 2 embodiment 1-3 and comparative example 1-4
| Fissipation factor (10Hz, 0 DEG C) | Fissipation factor (10Hz, 20 DEG C) | Fissipation factor (10Hz, 30 DEG C) | |
| Embodiment 1 | 0.52 | 0.85 | 0.72 |
| Embodiment 2 | 0.66 | 1.21 | 1.10 |
| Embodiment 3 | 0.53 | 0.78 | 0.81 |
| Comparative example 1 | 0.42 | 0.81 | 0.77 |
| Comparative example 2 | 0.31 | 0.59 | 0.62 |
| Comparative example 3 | 0.60 | 0.95 | 0.81 |
| Comparative example 4 | 0.56 | 0.87 | 0.75 |
According to Tables 1 and 2 it is found that damping paint prepared by the present invention has excellent impact resistance and corrosion resistance
Can, and widened damping temperature domain, and fissipation factor is high at normal temperature, i.e., damping capacity is good.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from the present invention
Structure or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (9)
1. a kind of high cracking resistance damping paint, which is characterized in that the raw material including following parts by weight: 30-46 parts of pure-acrylic emulsion, poly- second
24-28 parts of vinyl acetate lotion, 22-24 parts of neoprene, 18-26 parts of graphene, 5-7 parts of silica, diatomite 19-25
Part, 1-3 parts of coalescing agent, 2-4 parts of fire retardant, 2-4 parts of dispersing agent.
2. a kind of high cracking resistance damping paint according to claim 1, which is characterized in that the raw material including following parts by weight:
38 parts of pure-acrylic emulsion, 26 parts of venamul, 23 parts of neoprene, 22 parts of graphene, 6 parts of silica, diatomite
22 parts, 2 parts of coalescing agent, 3 parts of fire retardant, 3 parts of dispersing agent.
3. a kind of high cracking resistance damping paint according to claim 1, it is characterised in that: the coalescing agent is alcohol ester 12
Or propylene glycol phenylate.
4. a kind of high cracking resistance damping paint according to claim 1, it is characterised in that: the fire retardant is tributyl phosphate
The mixture formed with melamine, wherein tributyl phosphate 45-65 parts, 21-25 parts of melamine.
5. a kind of high cracking resistance damping paint according to claim 1, it is characterised in that: the dispersing agent is aqueous dispersion
Agent.
6. a kind of preparation method of high cracking resistance damping paint according to claim 1-5, which is characterized in that including
Following steps:
(1) neoprene is put into mixing 30-40min in mixer, obtains the rubber of molten condition；
(2) by graphene be put into it is anxious freeze it is indoor it is anxious freeze 35-55min, through low-temperature vacuum drying 50-60min after taking-up, then with point
Powder mixing, is dispersed with ultrasonic wave, obtains mixed liquor；
(3) rubber of molten condition is uniformly mixed with pure-acrylic emulsion, venamul, silica, mixing is added
Liquid stirs 20-30min, adds diatomite, coalescing agent, fire retardant and continues to stir 15-20min, filtering discharges to get institute
State high cracking resistance damping paint.
7. a kind of preparation method of high cracking resistance damping paint according to claim 6, it is characterised in that: the step (1)
In, the temperature of mixer is 80-100 DEG C.
8. a kind of preparation method of high cracking resistance damping paint according to claim 6, it is characterised in that: the step (2)
In, the anxious temperature for freezing room is -75--85 DEG C.
9. a kind of preparation method of high cracking resistance damping paint according to claim 6, it is characterised in that: the step (3)
In, mixing speed is 250-280r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811132423.3A CN109294370A (en) | 2018-09-27 | 2018-09-27 | A kind of high cracking resistance damping paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811132423.3A CN109294370A (en) | 2018-09-27 | 2018-09-27 | A kind of high cracking resistance damping paint and preparation method thereof |
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| CN109294370A true CN109294370A (en) | 2019-02-01 |
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| CN201811132423.3A Pending CN109294370A (en) | 2018-09-27 | 2018-09-27 | A kind of high cracking resistance damping paint and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116063915A (en) * | 2022-09-13 | 2023-05-05 | 隽秀新材料科技(苏州)有限公司 | Preparation method of low-temperature-resistant and crack-resistant water-based paint |
| CN117843285A (en) * | 2023-12-27 | 2024-04-09 | 山东凯大新型材料科技有限公司 | Reinforced diatom mud board composite material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116063915A (en) * | 2022-09-13 | 2023-05-05 | 隽秀新材料科技(苏州)有限公司 | Preparation method of low-temperature-resistant and crack-resistant water-based paint |
| CN117843285A (en) * | 2023-12-27 | 2024-04-09 | 山东凯大新型材料科技有限公司 | Reinforced diatom mud board composite material and preparation method thereof |
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