CN104861830B - A kind of coil anti scuffing finish paint - Google Patents
A kind of coil anti scuffing finish paint Download PDFInfo
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- CN104861830B CN104861830B CN201510287548.3A CN201510287548A CN104861830B CN 104861830 B CN104861830 B CN 104861830B CN 201510287548 A CN201510287548 A CN 201510287548A CN 104861830 B CN104861830 B CN 104861830B
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Abstract
The present invention discloses a kind of coil anti scuffing finish paint, and the finish paint includes the component of following parts by weight：45 55 parts of polyester resin；5 15 parts of amino resins；13 parts of Tissuemat E；13 parts of polytetrafluoroethylwax wax；The topcoat paint is stored when can be effectively improved steel plate construction, is copied mechanically, and the dilatory coating scratch caused that rubs is scratched, so as to avoid producing the trouble and saving expense of secondary maintenance.
Description
Technical field
The present invention relates to coil steel coating field.More particularly, to a kind of coil anti scuffing finish paint.
Background technology
It is complete in the U.S. for industrial electrical equipment and the coil coating of building structure from the pre-coated coil thirties after U.S.'s appearance
Under the strong promotion of coil coating association of state and Liang great pioneer mechanism of European coil coating association, flourished, and it is rapid in the world
Promote and come in various regions.Preliminary larquering is carried out to coiled steel band sheet material, it is more important in addition to the direct economic benefit with reproduction
Be, to the effect of the beautifying and decorating and corrosion protection of manufactured goods, to extend the service life of manufactured goods, improve use value.Coil is applied
The finish paint of material, possesses splendid dicoration, impact bending processability and useful life longevity.But it is due to domestic some coil materials
Material construction processing site condition, environment and manual operation factor and non-good, often result in the topcoat scratch of coiled steel plate,
Scratch, so that a variety of worries of plate face repairing are produced, therefore a kind of coil steel coating finish paint of exploitation reaches that anti scuffing effect enjoys pass
Note.
The content of the invention
It is an object of the present invention to provide a kind of coil anti scuffing finish paint, the topcoat paint can be effectively improved steel plate and apply
Man-hour is stored, and copies mechanically, and the dilatory coating scratch caused that rubs is scratched, so as to avoid producing the trouble and saving expense of secondary maintenance
With.
To reach above-mentioned purpose, the present invention uses following technical proposals：
A kind of coil anti scuffing finish paint, the finish paint includes the component of following parts by weight：
The number-average molecular weight of the polyester resin is 4000-20000, and hydroxyl value is 50-70mgKOH/g, and acid number is 0-
10mgKOH/g, Gu it is 58-62% to contain.
The particle size range of the Tissuemat E and polytetrafluoroethylwax wax is 5-15 microns, and proportion is 1.0-1.5g/ml.
Tissuemat E and polytetrafluoroethylwax wax can make coating surface smooth, reduce surface tension, strengthen paint film scratch resistance；
Tissuemat E and polytetrafluoroethylwax wax coefficient of friction are extremely low, with superior wearability, sliding, scratch resistance and heat resistance
And chemical resistance, added using a certain proportion of Tissuemat E and polytetrafluoroethylwax wax in coating so that coating surface, which has, to rub
Wiping coefficient is low, hydrophobic, be difficult to attach dirt and scratch resistance.
Preferably, the finish paint also includes pigment, auxiliary agent and solvent；It is described
25-35 parts of pigment；
3-8 parts of auxiliary agent；
8-25 parts of solvent.
Preferably, the polyester resin is selected from saturated polyester resin, and acid number is 6-10mgKOH/g.It is poly- that the present invention is selected
Ester resin has middle low molecule amount, and high reaction activity, adhesive force is good, and pliability is good, has excellent weather resistance.
Preferably, the amino resins is selected from complete methyl-etherified melamine or part methyl-etherified melamine.
Preferably, one or more of the auxiliary agent in dispersant, catalyst, defoamer, levelling agent, delustering agent.
The dispersant is selected from BYK-170；Catalyst is selected from NACURE 1051；Defoamer is selected from LEVELER T (NPZ)；Levelling agent is selected
From LEVELER C (NPZ)；Delustering agent is selected from SYLOID ED3.
A kind of method for preparing coil anti scuffing finish paint, comprises the following steps：
1) polyester resin, dispersant, pigment, anti-settling agent are mixed, adds solvent, grinding obtains slurry；
2) in step 1) polyester resin, amino resins, mixing are added in obtained slurry；Add Tissuemat E and polytetrafluoro
Ethylene waxes, acid catalyst, levelling agent, defoamer, delustering agent and solvent, obtain coil anti scuffing finish paint.
Preferably, step 1) and step 2) described in polyester resin gross score be 45-55 parts；Institute in step 1 and step 2
The total number for stating solvent is 8-25 parts.
Preferably, step 1) and step 2) described in dispersant, anti-settling agent, acid catalyst, defoamer, levelling agent and delustring
The total number of agent is 3-8 parts.
Preferably, step 1) described in pigment be 25-35 part, step 2) Tissuemat E be 1-3 parts；The polytetrafluoro
Ethylene waxes are 1-3 parts.
Beneficial effects of the present invention are as follows：
The finish paint that the formulation for coating material of the present invention is prepared, it is ensured that coating is not scratched under two kilograms of gravitational conditions.
Embodiment
In order to illustrate more clearly of the present invention, with reference to preferred embodiment, the present invention is described further.Ability
Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, and this should not be limited with this
The protection domain of invention.
The raw materials used source of the present invention：
The polyester resin selects saturated polyester resin in high-end coil coating, for example, ippon coating China is limited
R-4304RESIN (NPZ) of company etc..
The dispersant selects the dispersant commonly used in common coil coating, for example, Bi Ke chemical companies of Germany
BYK-170 etc..
The titanium dioxide selects the titanium dioxide commonly used in common coil coating, for example, the titanium dioxide R- of Long Mang companies
996 etc..
The anti-settling auxiliary agent selects the anti-settling agent commonly used in common coil coating, for example, goldschmidt chemical corporation
Aerosil R972 etc..
The amino resins selects the amino resins commonly used in common coil coating, for example, Qing Te companies
CYMEL303 etc..
The Tissuemat E selects the Tissuemat E commonly used in common coil coating, for example, day poem new material is scientific and technological
PEW-0200 of company etc..
The polytetrafluoroethylwax wax selects the polytetrafluoroethylwax wax commonly used in common coil coating, for example, day poem is new
PTFE-0104 of material scientific ＆ technical corporation etc..
The acid catalyst selects the acid catalyst commonly used in common coil coating, for example, Jin Shi companies of the U.S.
NACURE1051 etc..
The levelling agent selects the levelling agent commonly used in common coil coating, for example, the limited public affairs of ippon coating China
LEVELER C of department etc..
The defoamer selects the defoamer commonly used in common coil coating, for example, the limited public affairs of ippon coating China
LEVELER T of department etc..
The delustering agent selects the delustering agent commonly used in common coil coating, for example, the SYLOID of W. R. Grace ＆ Co
ED3 etc..
Embodiment 1
A kind of preparation method of coil anti scuffing finish paint, comprises the following steps：
1) by 28 parts of polyester resin R-4304RESIN (NPZ), 1 part of dispersant B YK-170, coloring pigment titanium dioxide R-
996 30 parts, anti-settling 0.2 part of auxiliary agent A erosil R972, mixing add 4~10 parts of solvent, and grinding obtains slurry；
2) 25 parts of polyester resin R-4304RESIN (NPZ), 9 parts of amino resins CYMEL303 are added in the slurry, are mixed
Close；1 part of Tissuemat E PEW-0200 is added, 1 part of polytetrafluoroethylwax wax PTFE-0104, acid catalyst NACURE1051 is added
0.2 part, C1 parts of levelling agent LEVELER, 1 part of defoamer LEVELER T, 2 parts of delustering agent SYLOID ED3, solvent 4~15
Part, obtain coil anti scuffing finish paint.
The solid part percentage of polyester resin is 58~62%, and the solid part percentage of amino resins is 90-100%；It is poly-
The ratio of the solid part of ester resin and the solid part of amino resins is 3.7, and pigment is 0.94.
The coating can solidify at 224 ± 5 DEG C of PMT metallic plates temperature, and the performance under dry-coated 18 μm of film thickness is (being shown in Table 1):
Test result under the conditions of the embodiment 1 of table 1
| Inspection project | Test rating | The method of inspection |
| Gloss (60 °) | 40±2° | GB/T 13448-20065 |
| Bend test | 1T is without peeling, and without falling particle | GB/T 13448-20067 |
| Reverse impact is tested | >=9J, and without falling particle | GB/T 13448-20068 |
| Organic solvent-resistant | ≥120 | GB/T 13448-200610 |
| Pencil hardness test | >=3H (Mitsubishi's pencil) | GB/T 13448-20069 |
| Damage resistant is tested | More than 5 times (2kg weight) | GB/T 13448-200612 |
| QUVA tests (1500h) | Loss of gloss grade is better than being equal to 2 grades | GB/T 13448-200623 |
| Salt spray test (500h) | Average corrosion spreads≤2 millimeters of distance | GB/T 13448-200618 |
Embodiment 2
A kind of preparation method of coil anti scuffing finish paint, comprises the following steps：
1) by 25 parts of polyester resin R-4304RESIN (NPZ), 1 part of dispersant B YK-170, coloring pigment titanium dioxide R-
996 25 parts, anti-settling 0.5 part of auxiliary agent A erosil R972, mixing add 4~10 parts of solvent, and grinding obtains slurry；
2) 20 parts of polyester resin R-4304RESIN (NPZ), 7 parts of amino resins CYMEL303 are added in the slurry, are mixed
Close；1 part of Tissuemat E PEW-0200 is added, 1 part of polytetrafluoroethylwax wax PTFE-0104, acid catalyst NACURE1051 is added
0.2 part, 1 part of levelling agent LEVELER C, 1 part of defoamer LEVELER T, 1 part of delustering agent SYLOID ED3, solvent 4~15
Part, obtain coil anti scuffing finish paint.
The solid part percentage of polyester resin is 58~62%, and the solid part percentage of amino resins is 90-100%；It is poly-
Ester amino ratio is 4, and pigment is 0.92.
As a result it is similar to Example 1.
Embodiment 3
A kind of preparation method of coil anti scuffing finish paint, comprises the following steps：
1) by 30 parts of polyester resin R-4304RESIN (NPZ), 1 part of dispersant B YK-170, coloring pigment titanium dioxide R-
996 25 parts, anti-settling 0.5 part of auxiliary agent A erosil R972, mixing add 4~10 parts of solvent, and grinding obtains slurry；
2) 25 parts of polyester resin R-4304RESIN (NPZ), 6 parts of amino resins CYMEL303 are added in the slurry, are mixed
Close；1 part of Tissuemat E PEW-0200 is added, 1 part of polytetrafluoroethylwax wax PTFE-0104, acid catalyst NACURE1051 is added
0.3 part, 1 part of levelling agent LEVELER C, 1 part of defoamer LEVELER T, 1 part of delustering agent SYLOID ED3, solvent 4~15
Part, obtain coil anti scuffing finish paint.
The solid part percentage of polyester resin is 58~62%, and the solid part percentage of amino resins is 90-100%；It is poly-
Ester amino ratio is 5.79, and pigment is 0.76.
As a result it is similar to Example 1.
Embodiment 4
A kind of preparation method of coil anti scuffing finish paint, comprises the following steps：
1) by 25 parts of polyester resin R-4304RESIN (NPZ), 1 part of dispersant B YK-170, coloring pigment titanium dioxide R-
996 25 parts, anti-settling 0.5 part of auxiliary agent A erosil R972, mixing add 4~10 parts of solvent, and grinding obtains slurry；
2) 20 parts of polyester resin R-4304RESIN (NPZ), 7 parts of amino resins CYMEL303 are added in the slurry, are mixed
Close；3 parts of Tissuemat E PEW-0200 is added, 2 parts of polytetrafluoroethylwax wax PTFE-0104, acid catalyst NACURE1051 is added
0.2 part, 1 part of levelling agent LEVELER C, 1 part of defoamer LEVELER T, 1 part of delustering agent SYLOID ED3, solvent 4~15
Part, obtain coil anti scuffing finish paint.
The solid part percentage of polyester resin is 58~62%, and the solid part percentage of amino resins is 90-100%；It is poly-
Ester amino ratio is 4, and pigment is 0.92.
As a result it is similar to Example 1.
Embodiment 5
Be the same as Example 3, difference is：The solvent S-150 therein is changed to dimethylbenzene.
As a result it is similar to Example 1.
Comparative example 1
A kind of preparation method of coil anti scuffing finish paint, comprises the following steps：
1) by 25 parts of polyester resin R-4304RESIN (NPZ), 1 part of dispersant B YK-170, coloring pigment titanium dioxide R-
996 25 parts, anti-settling 0.5 part of auxiliary agent A erosil R972, mixing add 4~10 parts of solvent, and grinding obtains slurry；
2) 20 parts of polyester resin R-4304RESIN (NPZ), 7 parts of amino resins CYMEL303 are added in the slurry, are mixed
Close；Add 0.2 part of acid catalyst NACURE1051,1 part of levelling agent LEVELER C, 1 part of defoamer LEVELER T, delustring
1 part of agent SYLOID ED3,4~15 parts of solvent obtains coil anti scuffing finish paint.
The solid part percentage of polyester resin is 58~62%, and the solid part percentage of amino resins is 90-100%；It is poly-
Ester amino ratio is 4, and pigment is 0.92.
Due to being not added with Tissuemat E and polytetrafluoroethylwax wax in coating, coating does not possess resistance to marring, it is impossible to be subjected to leading to
Damage resistant experiment is crossed, performance is unqualified.
Comparative example 2
A kind of preparation method of coil anti scuffing finish paint, comprises the following steps：
1) by 25 parts of polyester resin R-4304RESIN (NPZ), 1 part of dispersant B YK-170, coloring pigment titanium dioxide R-
996 30 parts, anti-settling 0.5 part of auxiliary agent A erosil R972, mixing add 4~10 parts of solvent, and grinding obtains slurry；
2) 20 parts of polyester resin R-4304RESIN (NPZ), 4 parts of amino resins CYMEL303 are added in the slurry, are mixed
Close；1 part of Tissuemat E PEW-0200 is added, 1 part of polytetrafluoroethylwax wax PTFE-0104, acid catalyst NACURE1051 is added
0.2 part, C1 parts of levelling agent LEVELER, 1 part of defoamer LEVELER T, 1 part of delustering agent SYLOID ED3, solvent 4~15
Part, obtain coil anti scuffing finish paint.
The solid part percentage of polyester resin is 58~62%, and the solid part percentage of amino resins is 90-100%；It is poly-
Ester amino ratio is 7.1, and pigment is 1.11.
Because polyester ratio is excessive, the paint film being partly not engaged in after reaction, film forming is excessively soft, and organic solvent-resistant is poor, property
Can be unqualified.
Comparative example 3
A kind of preparation method of coil anti scuffing finish paint, comprises the following steps：
1) by 25 parts of polyester resin R-4304RESIN (NPZ), 1 part of dispersant B YK-170, coloring pigment titanium dioxide R-
996 25 parts, anti-settling 0.5 part of auxiliary agent A erosil R972, mixing add 4~10 parts of solvent, and grinding obtains slurry；
2) 20 parts of polyester resin R-4304RESIN (NPZ), 18 parts of amino resins CYMEL303 are added in the slurry, are mixed
Close；1 part of Tissuemat E PEW-0200 is added, 1 part of polytetrafluoroethylwax wax PTFE-0104, acid catalyst NACURE1051 is added
0.2 part, 1 part of levelling agent LEVELER C, 1 part of defoamer LEVELER T, 1 part of delustering agent SYLOID ED3, solvent 4~15
Part, obtain coil anti scuffing finish paint.
The solid part percentage of polyester resin is 58~62%, and the solid part percentage of amino resins is 90-100%；It is poly-
Ester amino ratio is 1.6, and pigment is 0.92.
Because amino is excessive, crosslink density is excessive, and the paint film after film forming is excessively crisp, and T is curved poor, and performance is unqualified.
Comparative example 4
A kind of preparation method of coil anti scuffing finish paint, comprises the following steps：
1) by 30 parts of polyester resin R-4304RESIN (NPZ), 1 part of dispersant B YK-170, coloring pigment titanium dioxide R-
996 25 parts, anti-settling 0.5 part of auxiliary agent A erosil R972, mixing add 4~10 parts of solvent, and grinding obtains slurry；
2) 25 parts of polyester resin R-4304RESIN (NPZ), 6 parts of amino resins CYMEL303 are added in the slurry, are mixed
Close；5 parts of Tissuemat E PEW-0200 is added, 5 parts of polytetrafluoroethylwax wax PTFE-0104, acid catalyst NACURE1051 is added
0.3 part, 1 part of levelling agent LEVELER C, 1 part of defoamer LEVELER T, 1 part of delustering agent SYLOID ED3, solvent 4~15
Part, obtain coil anti scuffing finish paint.
The solid part percentage of polyester resin is 58~62%, and the solid part percentage of amino resins is 90-100%；It is poly-
Ester amino ratio is 5.79, and pigment is 0.76.
Because Tissuemat E and polytetrafluoroethylwax wax are excessive, cause coating workability levelling poor, plate face effect is not good, together
When influence coating waste water, influence paint film appearance.
Comparative example 5
A kind of preparation method of coil anti scuffing finish paint, comprises the following steps：
1) by 30 parts of polyester resin R-4304RESIN (NPZ), 1 part of dispersant B YK-170, coloring pigment titanium dioxide R-
996 50 parts, anti-settling 0.5 part of auxiliary agent A erosil R972, mixing add 4~10 parts of solvent, and grinding obtains slurry；
2) 25 parts of polyester resin R-4304RESIN (NPZ), 6 parts of amino resins CYMEL303 are added in the slurry, are mixed
Close；1 part of Tissuemat E PEW-0200 is added, 1 part of polytetrafluoroethylwax wax PTFE-0104, acid catalyst NACURE1051 is added
0.3 part, 1 part of levelling agent LEVELER C, 1 part of defoamer LEVELER T, 1 part of delustering agent SYLOID ED3, solvent 4~15
Part, obtain coil anti scuffing finish paint.
The solid part percentage of polyester resin is 58~62%, and the solid part percentage of amino resins is 90-100%；It is poly-
Ester amino ratio is 5.79, and pigment is 1.5.
Because pigment is excessive, pigment is excessive, and relatively very little, influence coating levelling and coating appearance influence coating to resin
Application property.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms, all embodiments can not be exhaustive here, it is every to belong to this hair
Row of the obvious change or variation that bright technical scheme is extended out still in protection scope of the present invention.
Claims (9)
1. a kind of coil anti scuffing finish paint, it is characterised in that the finish paint includes the component of following parts by weight：
The number-average molecular weight of the polyester resin is 4000-20000, and hydroxyl value is 50-70mgKOH/g, and acid number is 0-10mgKOH/
G, Gu it is 58-62% to contain.
2. coil anti scuffing finish paint according to claim 1, it is characterised in that：The Tissuemat E and polytetrafluoroethylwax wax
Particle size range be 5-15 microns, proportion is 1.0-1.5g/ml.
3. coil anti scuffing finish paint according to claim 1, it is characterised in that the finish paint also include pigment, auxiliary agent and
Solvent；It is described
25-35 parts of pigment；
3-8 parts of auxiliary agent；
8-25 parts of solvent.
4. coil anti scuffing finish paint according to claim 1, it is characterised in that：The amino resins is selected from complete methyl-etherified
Melamine or part methyl-etherified melamine.
5. coil anti scuffing finish paint according to claim 3, it is characterised in that：The auxiliary agent be selected from dispersant, catalyst,
One or more in defoamer, levelling agent, delustering agent.
6. the preparation method of the coil anti scuffing finish paint as described in claim any one of 1-5, it is characterised in that including following step
Suddenly：
1) polyester resin, dispersant, pigment, anti-settling agent are mixed, adds solvent, grinding obtains slurry；
2) in step 1) polyester resin, amino resins, mixing are added in obtained slurry；Add Tissuemat E and polytetrafluoroethylene (PTFE)
Wax, acid catalyst, levelling agent, defoamer, delustering agent and solvent, obtain coil anti scuffing finish paint.
7. preparation method according to claim 6, it is characterised in that：Step 1) and step 2) described in polyester resin it is total
Number is 45-55 parts；Step 1) and step 2) described in solvent total number be 8-25 parts.
8. preparation method according to claim 6, it is characterised in that：Step 1) and step 2) described in dispersant, anti-settling
Agent, acid catalyst, defoamer, the total number of levelling agent and delustering agent are 3-8 parts.
9. preparation method according to claim 6, it is characterised in that：Step 1) described in pigment be 25-35 parts；Step 2)
The Tissuemat E is 1-3 parts；The polytetrafluoroethylwax wax is 1-3 parts.
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| CN201510287548.3A CN104861830B (en) | 2015-05-29 | 2015-05-29 | A kind of coil anti scuffing finish paint |
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| CN201510287548.3A CN104861830B (en) | 2015-05-29 | 2015-05-29 | A kind of coil anti scuffing finish paint |
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| CN104861830B true CN104861830B (en) | 2017-07-18 |
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| CN105670486A (en) * | 2016-03-07 | 2016-06-15 | 广州立邦涂料有限公司 | Acid and alkali resistant polyurethane primer and preparation method thereof |
| CN107384147A (en) * | 2017-07-21 | 2017-11-24 | 新丰惠泽涂料有限公司 | A kind of high-performance household electrical appliances precoated coil coating and preparation method thereof |
| CN108264827A (en) * | 2018-02-08 | 2018-07-10 | 合肥达户电线电缆科技有限公司 | A kind of environmental protection scratch-resistant coating and preparation method thereof |
| CN115960521A (en) * | 2022-12-21 | 2023-04-14 | 无锡华东锌盾科技有限公司 | Coiled material self-cleaning coating and preparation method and application thereof |
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| CN104031535B (en) * | 2014-06-26 | 2016-10-05 | 广州立邦涂料有限公司 | A kind of low dumb light polyester finish coat and preparation method thereof |
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