CN104130693B - nanometer self-healing paint and preparation method thereof - Google Patents
nanometer self-healing paint and preparation method thereof Download PDFInfo
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- CN104130693B CN104130693B CN201410368426.2A CN201410368426A CN104130693B CN 104130693 B CN104130693 B CN 104130693B CN 201410368426 A CN201410368426 A CN 201410368426A CN 104130693 B CN104130693 B CN 104130693B
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- 239000003973 paint Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 239000002253 acid Substances 0.000 claims abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 19
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000002904 solvent Substances 0.000 claims abstract description 17
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims abstract description 16
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920001225 polyester resin Polymers 0.000 claims abstract description 16
- 239000004645 polyester resin Substances 0.000 claims abstract description 16
- 239000013530 defoamer Substances 0.000 claims abstract description 15
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 14
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 8
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 8
- 229920002396 Polyurea Polymers 0.000 claims abstract description 8
- 229920000608 Polyaspartic Polymers 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 20
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 15
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 6
- 239000000049 pigment Substances 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000006748 scratching Methods 0.000 abstract 2
- 230000002393 scratching effect Effects 0.000 abstract 2
- -1 drier Substances 0.000 abstract 1
- 230000003678 scratch resistant effect Effects 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000003085 diluting agent Substances 0.000 description 4
- 239000004922 lacquer Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 229920000805 Polyaspartic acid Polymers 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 108010064470 polyaspartate Proteins 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of nanometer self-healing paint and preparation method thereof, belong to coating applied technical field.Solve woodcare paint surface in prior art the most scratch-resistant, and can not the problem of self-healing after scratching.Nanometer self-healing paint, it is made up of component A and component B, and described component A is made up of the raw material of following weight percents: synthctic fat acid resin/acrylic resin or Polyaspartic Polyurea, straight chain hydroxyl group containing polyester resin, nano silicon, dispersant, defoamer, levelling agent, drier, solvent；Described component B is made up of the raw material of following weight percents: hexamethylene diisocyanate base PIC, n-butyl acetate；Wherein, component A is 1:0.8～1.2 with the weight ratio of component B.The self-healing paint not only environmental protection of the present invention, and after scratching, there is self-healing effect.
Description
Technical field
The invention belongs to coating applied technical field, be specifically related to a kind of nanometer self-healing paint and preparation method thereof.
Background technology
The effect of protection, attractive, decorative the most much it is respectively provided with for furniture, woodenware, the coating of car surface,
Woodcare paint, furniture lacquer field its generally containing free TDI, and film scratch can not self-healing to protect light colour retention poor, lead at automobile
Territory film scratch after can not self-healing, cannot meet the demand of people.
Summary of the invention
It is an object of the invention to provide a kind of nanometer self-healing paint and preparation method thereof, solve woodenware in prior art and be coated with
Material, car paint metal/non-metal paint feature of environmental protection difference smell weight in work progress, after construction, paint film guarantor light colour retention difference is plentiful
Degree not, can not the problem of self-healing after scuffing.
To achieve these goals, technical scheme is as follows:
Nanometer self-healing paint, it is made up of component A and component B, and described component A is by the raw material group of following weight percents
Become:
In synthctic fat acid resin, acrylic resin, Polyaspartic Polyurea one or more 13%～50%
Described component B is made up of the raw material of following weight percents:
Hexamethylene diisocyanate base PIC 20%～52%
N-butyl acetate 48%～70%；
Wherein, component A is 1:0.8～1.2 with the weight ratio of component B.
Further, described component A is made up of the raw material of following weight percents: 32% synthctic fat acid resin, 18%
Straight chain hydroxyl group containing polyester resin, 0.1% nano silicon, 0.1% dispersant, 0.1% defoamer, 0.1% levelling agent,
0.3% drier, 49.3% solvent.
Yet further, described component B is made up of the raw material of following weight percents: 48% hexamethylene diisocyanate
Base PIC, 52% n-butyl acetate.
It addition, described component A also includes percentage by weight ＞ 0, and the pigment of≤45, percentage by weight ＞ 0, and≤10
Mute powder, component A all raw materials sum is equal to absolutely；Described component B also includes percentage by weight ＞ 0, and the acetic acid of≤10
Ethyl ester, component B all raw materials sum is equal to absolutely.
Wherein, described component A is made up of the raw material of following weight percents: 30% synthctic fat acid resin, 18% straight chain
Hydroxyl group containing polyester resin, 0.1% nano silicon, 0.1% dispersant, 0.1% defoamer, 0.1% levelling agent, 0.3% urge
Dry agent, 3% pigment, 1% mute powder, 47.3% solvent；Described component B is made up of the raw material of following weight percents: 46% 6 is sub-
Methyl diisocyanate base PIC, 50% n-butyl acetate, 4% ethyl acetate.
The preparation method of nanometer self-healing paint, comprises the following steps:
The preparation of component A:
(1) by synthctic fat acid resin/acrylic resin that percentage by weight is 13%～50% or poly-aspartic-acid
The straight chain hydroxyl group containing polyester resin of ester polyureas, 10%～45% joins in agitator and stirs；
(2) under the conditions of low rotation speed, add percentage by weight be 0.01%～2% nano silicon, 0.05%
～the dispersant of 1%, 0.01%～～the defoamer of 0.8%；
(3) after high speed dispersion 5～30min, stirring at low speed adds urging of levelling agent, 0.01%～1% of 0.01%～1%
Dry agent, 10%～the stirring solvent 3～10min of 65%, discharging, obtain component A；
The preparation of component B:
By hexamethylene diisocyanate base PIC, 48%～80% that percentage by weight is 20%～52%
N-butyl acetate stirs 3～8min in the case of Ultra-Low Speed, and discharging obtains component B；
Weigh component A and component B that weight ratio is 1:0.8～1.2, mixing and stirring, then stand 2min, must become
Product.
The present invention compared with prior art, has the following advantages and beneficial effect:
The present invention is to use nano material and synthctic fat acid resin/propylene according to double-component (NCO/OH type) reaction principle
Acid resin or Polyaspartic Polyurea and straight chain hydroxyl group containing polyester resin and auxiliary agent compounding after the most different with hexa-methylene two
The reaction of cyanic acid ester group PIC is produced can be at furniture, woodenware, metal/non-metal surface or car surface air drying
There is the coating of self-healing function after scuffing.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, and embodiments of the present invention include but not limited to following reality
Execute example.
Embodiment 1
Nanometer self-healing paint, it is made up of component A that weight ratio is 1:1 and component B；Described component A is by percentage by weight
Be 32% synthctic fat acid resin, the straight chain hydroxyl group containing polyester resin (soft linear polyester resin) of 18%, the nanometer of 0.1%
Silica, the defoamer of 0.1%, the levelling agent of 0.1%, the dispersant of 0.1%, 0.3% drier, the group of solvents of 49.3%
Become；Wherein, solvent is the n-butyl acetate of PMA and 20% of 29.3%.
Component A preparation method is as follows:
(1) synthctic fat acid resin, the straight chain hydroxyl acid ester resin of 18% that percentage by weight is 32% are joined
Agitator stirs；
(2) under the conditions of low rotation speed, nano silicon, the dispersion of 0.1% that percentage by weight is 0.1% are added
Agent, the defoamer of 0.1%；
(3) after high speed dispersion 5～30min stirring at low speed add 0.1% levelling agent, the drier of 0.3%, 49.3%
Stirring solvent 3～10min, discharging, obtain component A.
Described component B by percentage by weight be 48% hexamethylene diisocyanate base PIC, 52% acetic acid just
Butyl ester.
Its preparation method is as follows: by hexamethylene diisocyanate base PIC that percentage by weight is 48%,
The n-butyl acetate of 52% stirs 3～8min in the case of Ultra-Low Speed, and discharging obtains component B
Finally, weigh component A and component B that weight ratio is 1:1, mixing and stirring, then stand 2min, must become
Product.
Embodiment 2
Nanometer self-healing paint, it is made up of component A that weight ratio is 1:1 and component B, and described component A is by following weight hundred
Proportion by subtraction raw material composition: 30% synthctic fat acid resin, 18% straight chain hydroxyl group containing polyester resin, L0.1% nano silicon,
0.1% dispersant, 0.1% defoamer, 0.1% levelling agent, 0.3% drier, 3% pigment, 1% mute powder, 47.3% solvent；Institute
State component B to be made up of the raw material of following weight percents: 46% hexamethylene diisocyanate base PIC, 50% acetic acid
N-butyl, 4% ethyl acetate.
Its preparation method is as follows:
The preparation of component A:
(1) synthctic fat acid resin, the straight chain hydroxyl acid ester resin of 18% that percentage by weight is 30% are joined
Agitator stirs；
(2) under the conditions of low rotation speed, nano silicon, the dispersion of 0.1% that percentage by weight is 0.1% are added
Agent, the defoamer of 0.1%, the pigment of 3%, the mute powder of 1%；
(3) after high speed dispersion 5～30min stirring at low speed add 0.1% levelling agent, the drier of 0.3%, 47.3%
Stirring solvent 3～10min, discharging, obtain component A；
The preparation of component B: by hexamethylene diisocyanate base PIC that percentage by weight is 46%, 50%
N-butyl acetate, the ethyl acetate of 4% stir 3～8min in the case of Ultra-Low Speed, and discharging obtains component B
Finally, weigh component A and component B that weight ratio is 1:1, mixing and stirring, then stand 2min, must become
Product.
Embodiment 3
Nanometer self-healing paint, it is made up of component A that weight ratio is 1:1.1 and component B；Described component A is by weight percent
Than be 30% Polyaspartic Polyurea, the straight chain hydroxyl group containing polyester resin of 20%, the nano silicon of 0.4%,
The defoamer of 0.2%, the levelling agent of 0.1%, the dispersant of 0.1%, 0.2% drier, the solvent composition of 49%；Described component
B is 50% hexamethylene diisocyanate base PIC, 50% n-butyl acetate by percentage by weight.Its preparation method with
Embodiment 1 is identical.
Embodiment 4
Nanometer self-healing paint, it is made up of component A that weight ratio is 1:0.9 and component B；Described component A is by weight percent
Than be 8% acrylic resin, 10% Polyaspartic Polyurea, 10% synthctic fat acid resin, 25% straight chain containing hydroxyl
Base polyester resin, the nano silicon of 1%, the defoamer of 0.1%, the levelling agent of 0.1%, the dispersant of 0.1%, 0.4%
Drier, the solvent composition of 45.3%；Described component B is the 47% poly-isocyanide of hexamethylene diisocyanate base by percentage by weight
Acid esters, 53% n-butyl acetate.Its preparation method is same as in Example 1.
Embodiment 5
Nanometer self-healing paint, it is made up of component A that weight ratio is 1:1.1 and component B；Described component A is by weight percent
Than be 32% acrylic resin, the straight chain hydroxyl group containing polyester resin of 18%, the nano silicon of 0.4%, the froth breaking of 0.2%
Agent, the levelling agent of 0.1%, the dispersant of 0.1%, 0.2% drier, the solvent composition of 49%；Described component B is by weight percent
Ratio is 50% hexamethylene diisocyanate base PIC, 50% n-butyl acetate.Its preparation method and embodiment 1 phase
With.
Embodiment 6
Nanometer self-healing paint, it is made up of component A that weight ratio is 1:0.8 and component B；Described component A is by weight percent
Than be 15% acrylic resin, 13% synthctic fat acid resin, the straight chain hydroxyl group containing polyester resin of 25%, the nanometer two of 1%
Silica, the defoamer of 0.1%, the levelling agent of 0.1%, the dispersant of 0.1%, 0.3% drier, the group of solvents of 45.4%
Become；Described component B is 48% hexamethylene diisocyanate base PIC, 52% n-butyl acetate by percentage by weight.
Its preparation method is same as in Example 1.
Double-component woodcare paint, furniture lacquer, automobile coating are required to add diluent in the market, and proportion is: host: hand over
Connection: diluent 1:0.2～1:0.4～1.2.And the present invention be A, B component need not add diluent, ring again the most simple to operate
Protect.Implementation environment humidity≤95, temperature is 0～60 DEG C, uses Experimental comparison's data such as following table 1. of spraying paint
Table 1
As shown in Table 1, the present invention has certain self-healing ability, and without free TDI, suitable environmental protection, it is easy to use,
Without adding diluent.
According to above-described embodiment, the present invention just can be realized well.What deserves to be explained is, premise based on above-mentioned design
Under, for solving same technical problem, even if some made in the present invention are without substantial change or polishing, used
The essence of technical scheme is still as the present invention, therefore it should also be as within the scope of the present invention.
Claims (6)
1. nanometer self-healing paint, it is characterised in that it is made up of component A and component B, described component A is by following weight percents
Raw material composition:
In synthctic fat acid resin, acrylic resin, Polyaspartic Polyurea one or more 13%～50%
Straight chain hydroxyl group containing polyester resin 10%～45%
Nano silicon 0.01%～2%
Dispersant 0.05%～0.1%
Defoamer 0.01%～0.8%
Levelling agent 0.01%～1%
Drier 0.01%～1%
Solvent 10%～65%；
Described component B is made up of the raw material of following weight percents:
Hexamethylene diisocyanate base PIC 20%～52%
N-butyl acetate 48%～80%；
Wherein, component A is 1:0.8～1.2 with the weight ratio of component B.
Nanometer self-healing paint the most according to claim 1, it is characterised in that former by following weight percents of described component A
Material composition: 32% synthctic fat acid resin, 18% straight chain hydroxyl group containing polyester resin, 0.1% nano silicon, 0.1% dispersant,
0.1% defoamer, 0.1% levelling agent, 0.3% drier, 49.3% solvent.
Nanometer self-healing paint the most according to claim 1, it is characterised in that former by following weight percents of described component B
Material composition: 48% hexamethylene diisocyanate base PIC, 52% n-butyl acetate.
Nanometer self-healing paint the most according to claim 1, it is characterised in that described component A also includes percentage by weight ＞ 0,
And the pigment of≤45, percentage by weight ＞ 0, and the mute powder of≤10, component A all raw materials sum is equal to absolutely；Described group
Dividing B also to include percentage by weight ＞ 0, and the ethyl acetate of≤10, component B all raw materials sum is equal to absolutely.
Nanometer self-healing paint the most according to claim 4, it is characterised in that former by following weight percents of described component A
Material composition: 30% synthctic fat acid resin, 18% straight chain hydroxyl group containing polyester resin, 0.1% nano silicon, 0.1% dispersant,
0.1% defoamer, 0.1% levelling agent, 0.3% drier, 3% pigment, 1% mute powder, 47.3% solvent；Described component B is by following weight
The raw material composition of percentage: 46% hexamethylene diisocyanate base PIC, 50% n-butyl acetate, 4% ethyl acetate.
6. the preparation method of the nanometer self-healing paint described in any one of claims 1 to 3, it is characterised in that comprise the following steps:
The preparation of component A:
(1) by synthctic fat acid resin/acrylic resin that percentage by weight is 13%～50% or Polyaspartic Polyurea,
The straight chain hydroxyl group containing polyester resin of 10%～45% joins in agitator and stirs；
(2) under the conditions of low rotation speed, dividing of nano silicon, 0.05%～1% that percentage by weight is 0.01%～2% is added
Powder, 0.01%～～the defoamer of 0.8%；
(3) after high speed dispersion 5～30min stirring at low speed add 0.01%～1% the drier of levelling agent, 0.01%～1%, 10%
～the stirring solvent 3～10min of 65%, discharging, obtain component A；
The preparation of component B:
By the positive fourth of acetic acid of hexamethylene diisocyanate base PIC, 48%～80% that percentage by weight is 20%～52%
Ester stirs 3～8min in the case of Ultra-Low Speed, and discharging obtains component B；
Weigh component A and component B that weight ratio is 1:0.8～1.2, mixing and stirring, then stand 2min, get product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410368426.2A CN104130693B (en) | 2014-07-30 | 2014-07-30 | nanometer self-healing paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410368426.2A CN104130693B (en) | 2014-07-30 | 2014-07-30 | nanometer self-healing paint and preparation method thereof |
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| CN104130693A CN104130693A (en) | 2014-11-05 |
| CN104130693B true CN104130693B (en) | 2016-08-31 |
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| CN105462484B (en) * | 2015-12-31 | 2018-05-11 | 江苏兰陵高分子材料有限公司 | A kind of weather-proof primer-topcoat integrated anticorrosive coating of large arch dam polyaspartic ester |
| CN106634470A (en) * | 2016-11-21 | 2017-05-10 | 山东仕全兴新材料有限公司 | Matte top-coat paint with aromatherapy effect |
| CN107641450B (en) * | 2017-10-25 | 2020-05-26 | 厦门双瑞船舶涂料有限公司 | High-solid-content high-weather-resistance polyurethane coating and preparation method thereof |
| CN107793912B (en) * | 2017-11-09 | 2019-12-27 | 中昊北方涂料工业研究设计院有限公司 | Rain erosion resistant coating for aircraft engine reverse thrust outer shell and preparation thereof |
| CN112210283B (en) * | 2020-09-29 | 2022-03-22 | 广东嘉宝莉科技材料有限公司 | Double-component polyurethane woodenware coating composite product and preparation method and application thereof |
| CN113717622A (en) * | 2021-10-13 | 2021-11-30 | 深圳市深赛尔股份有限公司 | Asparagus resin-containing water-based self-repairing industrial coating and preparation method thereof |
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| CN104130693A (en) | 2014-11-05 |
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