CN102295832A - Acrylic resin composition capable of increasing adhesion force of polyurethane (PU) - Google Patents
Acrylic resin composition capable of increasing adhesion force of polyurethane (PU) Download PDFInfo
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- CN102295832A CN102295832A CN 201110254332 CN201110254332A CN102295832A CN 102295832 A CN102295832 A CN 102295832A CN 201110254332 CN201110254332 CN 201110254332 CN 201110254332 A CN201110254332 A CN 201110254332A CN 102295832 A CN102295832 A CN 102295832A
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- acrylic resin
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Abstract
The invention provides an acrylic resin composition capable of increasing the adhesion force of polyurethane (PU), which is characterized by comprising acrylic resin and soya alkyd resin. The acrylic resin composition capable of increasing the adhesion force of PU can improve the organic material adhering capacity of PU coating, and forms a layer of protective film on the substrate.
Description
Technical field
The present invention relates to a kind of acrylic acid resin composition that contains, relate in particular to a kind of acrylic acid resin composition that increases PU sticking power that has.
Background technology
Modern furniture factory increases working efficiency in order to simplify technology when carrying out real look furniture application, tend to select trimeric cyanamide sheet material or PVC sheet material.The not good problem of sticking power can appear on these sheet materials and PU coating is coated in.
Chinese patent CN1821328A has disclosed a kind of polyurethane modified unsaturated polyester varnish, and this lacquer is made up of by the proportioning mixing by joining oil urethane (PU) and unsaturated polyester (PE), and its ratio range is PU: PE=1: (0.3 ~ 5); The set of dispense ratio of described PU is: PU master's lacquer: solidifying agent: PU thinner=1: 1: (0.6 ~ 1); Described PU master's lacquer is made of following component, contains Synolac 80% ~ 93%, dimethylbenzene 5% ~ 10%, flow agent 0.3% ~ 0.5%, defoamer 0.1% ~ 0.3%; The set of dispense ratio of described PE is: PE master's lacquer: promotor: initiator=100: 0.8 ~ 1.2: 1 ~ 1.5; Described PE master's lacquer is made of unsaturated polyester resin 80% ~ 90%, vinylbenzene 9% ~ 18%, flow agent 0.3% ~ 0.5%, defoamer 0.2% ~ 0.3% following component.
Chinese patent CN101077077A has disclosed a kind of nano-siller antibiotic composition, it is characterized in that the weight percent of its each component is: Nano silver solution 1 ~ 5% is 0.65 ~ 3.3% in weight solid content in the solution; Water-latex type urethane resin PU-501 ~ 10% is in weight solid content 30%; Li Weilong Nivelon 1 ~ 5%; Permeate agent m-1038C 1 ~ 5%; All the other are water.
Though, much be applied in the PU coating on the PVC sheet material now on the market, all can't the fine problem that solves PU ADHESION OF PAINTS power.Particularly PU coating is being coated on the soft PVC, adhesion effect is the poorest.
Summary of the invention
The invention provides a kind of acrylic acid resin composition of the PU of increasing sticking power, it is poor to have good adhesive, for also having good equally sticking power on the flexible PVC plate.
To achieve these goals, provide a kind of acrylic acid resin composition of the PU of increasing sticking power, it is characterized in that, composition comprises acrylic resin and soybean oil Synolac, and described acrylic resin has the repeating unit shown in the structural formula (I),
(I) (II) (III)
Wherein, R be structural formula (II) or (III) shown in group;
R
1For :-O-,-S-,-NR
4-, alkylidene group or have the alkylidene group of organo-functional group;
R
1, R
2, R
3And R
4Be respectively H, aromatic group or alkyl.
In the composition that provides in the above, in the wherein said acrylic resin molecular chain, repeating unit quantity content 〉=50% shown in the structural formula (I).
In the composition that provides in the above, wherein said acrylic resin comprises repeating unit shown in repeating unit shown in the structural formula (I) and the structural formula (II):
(IV)
Wherein, R
5Be alkyl, NH
4 +, H or atoms metal.
In the composition that provides in the above, the weight ratio of wherein said acrylic resin and soybean oil Synolac is 10 ~ 15:25 ~ 35.
In the composition that provides in the above, wherein solid content is 80% in the composition.
In the composition that provides, also comprise the weighting agent of 35 ~ 40 weight parts in the wherein said composition in the above.Except weighting agent, also comprise the thinner of 2 ~ 5 weight parts, the auxiliary agent of 1 ~ 3 weight part in the composition.Thinner is reactive thinner or non-activated thinner.Selecting for use of weighting agent, thinner and auxiliary agent can be selected according to those skilled in the art's needs.
In the composition that provides in the above, wherein said auxiliary agent is one or both the mixture in defoamer (as the acrylate defoamer), the flow agent.
Another object of the present invention is characterized in that in that a kind of acrylic resin shown in claim 1 is provided acrylic resin has the repeating unit shown in the structural formula (I).
The acrylic acid resin composition of increase PU sticking power provided by the invention has improved the ability of PU ADHESION OF PAINTS on organic materials, also forms the layer protecting film layer simultaneously on ground.
Embodiment
The invention provides a kind of acrylic acid resin composition of the PU of increasing sticking power, composition is mainly by acrylic resin and soybean oil Synolac.Also comprise other components that this areas such as weighting agent, thinner, auxiliary agent and thinner are commonly used in the composition.The present invention adds the thermoplastic acrylic resin with modification and improves its sticking power to organic board in traditional PU coating.The thermoplastic acrylic resin of modification is crucial filmogen, can provide outstanding sticking power and good hardness to the PVC plastics.The soybean oil Synolac is main filmogen, and it can provide good fullness ratio of paint film and paint film appearance.
Select for use among the present invention acrylic resin have the repeating unit shown in the structural formula (I),
(I) (II) (III)
Wherein, R be structural formula (II) or (III) shown in group; R
1For :-O-,-S-, alkylidene group ,-NR
4-or have the alkylidene group of organo-functional group; R
1, R
2, R
3And R
4Be selected from H, aromatic group or alkyl respectively.Owing to contain hydroxyl and two functional groups of epoxy group(ing) in the repeating unit, hydroxyl and epoxide group can produce the Van der Waals force of hydrogen bond and polar group, the Van der Waals force of hydrogen bond and polar group can form very strong sticking power, thereby after making acrylic acid resin composition be coated on the substrate good adhesive can be arranged.
Further specify the present invention below by embodiment, so that better understand the content of the invention, but following embodiment does not limit protection scope of the present invention.
Embodiment 1
A kind of acrylic acid resin composition comprises thermoplastic acrylic resin 15g, soybean oil Synolac 35g, auxiliary agent 2g, thinner 4g and the weighting agent 35g of (VI) institute repeated monomer that has structural formula.Thermoplastic acrylic resin molecule repeating unit is shown in structural formula (VI), and thermoplastic acrylic resin is that the monomer polymerization by the structure formula V forms.Solid content is more than 70% in composition.
（VI） （V）
Above-mentioned composition is filmed by prior art, add during use commercially available this area typical additives strengthen, toughness reinforcing or improve smoothness and flowability.After resin combination is coated in and forms paint film on the sheet material, paint film is done corresponding film thickness test and yellowing resistance test.
Test result is: hardness 〉=H, sticking power≤1 grade, yellowing resistance: general, grinability: good.
Embodiment 2
A kind of acrylic acid resin composition comprises thermoplastic acrylic resin 10g, soybean oil Synolac 30g, auxiliary agent 3g, thinner 5g and the weighting agent 40g of the repeated monomer shown in (VII) that has structural formula.Thermoplastic acrylic resin molecule repeating unit is shown in structural formula (VII), and thermoplastic acrylic resin is that the monomer polymerization by structural formula (VIII) forms.Solid content is more than 70% in composition.
（VII） （VIII）
Above-mentioned composition is filmed by prior art, add during use commercially available this area typical additives strengthen, toughness reinforcing or improve smoothness and flowability.After resin combination is coated in and forms paint film on the sheet material, paint film is done corresponding film thickness test and yellowing resistance test.
Test result is: hardness 〉=H, sticking power≤1 grade, yellowing resistance: general, grinability: good.
Embodiment 3
A kind of acrylic acid resin composition comprises thermoplastic acrylic resin 15g, soybean oil Synolac 25g, auxiliary agent 2g, thinner 4g and the weighting agent 40g of the repeated monomer shown in (X) that has structural formula.Thermoplastic acrylic resin molecule repeating unit is shown in structural formula (X), and thermoplastic acrylic resin is that the monomer polymerization by structural formula (XI) forms.Solid content is more than 70% in composition.
（X） （XI）
Above-mentioned composition is filmed by prior art, add during use commercially available this area typical additives strengthen, toughness reinforcing or improve smoothness and flowability.After resin combination is coated in and forms paint film on the sheet material, paint film is done corresponding film thickness test and yellowing resistance test.
Test result is: hardness 〉=H, sticking power≤1 grade, yellowing resistance: general, grinability: good.
Embodiment 4
A kind of acrylic acid resin composition comprises thermoplastic acrylic resin 15g, soybean oil Synolac 30g, auxiliary agent 3g, thinner 2g and weighting agent 35g.Described thermoplastic acrylic resin has monomer shown in the structural formula (VI) and methyl methacrylate copolymer to obtain, and wherein, repeating unit quantity is greater than 50% shown in the structural formula (X).
Above-mentioned composition is filmed by prior art, add during use commercially available this area typical additives strengthen, toughness reinforcing or improve smoothness and flowability.After resin combination is coated in and forms paint film on the sheet material, paint film is done corresponding film thickness test and yellowing resistance test.
Hardness, sticking power, yellowing resistance and polishing performance test methods are after the above-mentioned composition film forming: measure hardness according to GB/T 6739-1996 standard " hardness of film pencil assay method ", detected result is from 6B to 9H, wherein the big more explanation hardness of the numerical value of H is high more, and the big more explanation hardness of the numerical value of B is more little; According to GB/T 9286-1998 " cross cut test of paint and varnish paint film " measure sticking power, test-results is divided into 0 grade to 5 grades, wherein 0 grade the explanation sticking power best, 5 grades for the poorest; Measure yellowing resistance according to GB/T 23983-2009 " woodwork coating yellowing resistance assay method ", measure value of chromatism with color measurement instrument, E* represents with Δ; Measure grinability according to GB/T 1770-2008 " priming paint, putty grinability assay method ".The result shows, the invention composition that originally provides can improve the PU lacquer and stick on the flexible PVC on the sticking power, increases the fullness ratio of finish paint, can form the good protection rete to low material.
More than specific embodiments of the invention are described in detail, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, not breaking away from impartial conversion and the modification of being done under the spirit and scope of the present invention, all should contain within the scope of the invention.
Claims (10)
1. an acrylic acid resin composition that increases PU sticking power is characterized in that, composition comprises acrylic resin and soybean oil Synolac, and described acrylic resin has the repeating unit shown in the structural formula (I),
(I) (II) (III)
Wherein, R be structural formula (II) or (III) shown in group;
R
1For :-O-,-S-,-NR
4-, alkylidene group or have the alkylidene group of organo-functional group;
R
1, R
2, R
3And R
4Be respectively H, aromatic group or alkyl.
2. composition according to claim 1 is characterized in that, in the described acrylic resin molecular chain, and repeating unit quantity content 〉=50% shown in the structural formula (I).
3. composition according to claim 1 and 2 is characterized in that, described acrylic resin comprises repeating unit shown in repeating unit shown in the structural formula (I) and the structural formula (II):
(IV)
Wherein, R
5Be alkyl, NH
4 +, H or atoms metal.
4. composition according to claim 1 is characterized in that, the weight ratio of described acrylic resin and soybean oil Synolac is 10 ~ 15:25 ~ 35.
5. composition according to claim 1 is characterized in that, wherein solid content is 80%.
6. composition according to claim 1 is characterized in that, also comprises the weighting agent of 35 ~ 40 weight parts in the described composition.
7. composition according to claim 1 is characterized in that, also comprises the thinner of 2 ~ 5 weight parts in the described composition.
8. composition according to claim 1 is characterized in that, also comprises auxiliary agent, and described auxiliary agent is one or both the mixture in defoamer, the flow agent.
9. composition according to claim 8 is characterized in that, comprises the auxiliary agent of 1 ~ 3 weight part.
10. the acrylic resin shown in claim 1 is characterized in that, acrylic resin has the repeating unit shown in the structural formula (I).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110254332 CN102295832A (en) | 2011-08-31 | 2011-08-31 | Acrylic resin composition capable of increasing adhesion force of polyurethane (PU) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110254332 CN102295832A (en) | 2011-08-31 | 2011-08-31 | Acrylic resin composition capable of increasing adhesion force of polyurethane (PU) |
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|---|---|
| CN102295832A true CN102295832A (en) | 2011-12-28 |
Family
ID=45356520
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|---|---|---|---|
| CN 201110254332 Pending CN102295832A (en) | 2011-08-31 | 2011-08-31 | Acrylic resin composition capable of increasing adhesion force of polyurethane (PU) |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821328A (en) * | 2006-03-27 | 2006-08-23 | 佛山市万正涂料有限公司 | Polyurethane modified unsaturated polyester varnish |
| CN101077077A (en) * | 2007-06-22 | 2007-11-28 | 陈汉洲 | Nano-siller antibiotic composition |
| JP2010254948A (en) * | 2009-03-31 | 2010-11-11 | Mitsui Chemicals Inc | Acrylic-modified polyol, method for producing the same and polyurethane resin |
| CN102079937A (en) * | 2010-12-21 | 2011-06-01 | 上海海隆赛能新材料有限公司 | Ultraviolet curing anti-drag paint in steel pipes |
-
2011
- 2011-08-31 CN CN 201110254332 patent/CN102295832A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821328A (en) * | 2006-03-27 | 2006-08-23 | 佛山市万正涂料有限公司 | Polyurethane modified unsaturated polyester varnish |
| CN101077077A (en) * | 2007-06-22 | 2007-11-28 | 陈汉洲 | Nano-siller antibiotic composition |
| JP2010254948A (en) * | 2009-03-31 | 2010-11-11 | Mitsui Chemicals Inc | Acrylic-modified polyol, method for producing the same and polyurethane resin |
| CN102079937A (en) * | 2010-12-21 | 2011-06-01 | 上海海隆赛能新材料有限公司 | Ultraviolet curing anti-drag paint in steel pipes |
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Application publication date: 20111228 |