CN114525076A - PU/UV double-layer curing paint - Google Patents
PU/UV double-layer curing paint Download PDFInfo
- Publication number
- CN114525076A CN114525076A CN202111584507.2A CN202111584507A CN114525076A CN 114525076 A CN114525076 A CN 114525076A CN 202111584507 A CN202111584507 A CN 202111584507A CN 114525076 A CN114525076 A CN 114525076A
- Authority
- CN
- China
- Prior art keywords
- parts
- initiator
- color paste
- dual
- paint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003973 paint Substances 0.000 title claims abstract description 61
- 239000004814 polyurethane Substances 0.000 claims abstract description 54
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 37
- 239000003999 initiator Substances 0.000 claims abstract description 37
- 229920002635 polyurethane Polymers 0.000 claims abstract description 27
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 21
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 17
- 238000010276 construction Methods 0.000 claims abstract description 13
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 10
- GTELLNMUWNJXMQ-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;prop-2-enoic acid Chemical class OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.CCC(CO)(CO)CO GTELLNMUWNJXMQ-UHFFFAOYSA-N 0.000 claims abstract description 9
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims abstract description 9
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims abstract description 9
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 61
- 239000006229 carbon black Substances 0.000 claims description 24
- 239000011265 semifinished product Substances 0.000 claims description 23
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 16
- 239000010410 layer Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 10
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 claims description 8
- GUCYFKSBFREPBC-UHFFFAOYSA-N [phenyl-(2,4,6-trimethylbenzoyl)phosphoryl]-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C(=O)C1=C(C)C=C(C)C=C1C GUCYFKSBFREPBC-UHFFFAOYSA-N 0.000 claims description 8
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 8
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 claims description 8
- 239000002355 dual-layer Substances 0.000 claims 6
- 238000003860 storage Methods 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 3
- 238000001723 curing Methods 0.000 description 53
- 239000007787 solid Substances 0.000 description 18
- 238000012360 testing method Methods 0.000 description 8
- 238000009775 high-speed stirring Methods 0.000 description 7
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- -1 aliphatic isocyanate Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000000016 photochemical curing Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- FEWFXBUNENSNBQ-UHFFFAOYSA-N 2-hydroxyacrylic acid Chemical compound OC(=C)C(O)=O FEWFXBUNENSNBQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 101150038956 cup-4 gene Proteins 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a PU/UV double-layer curing paint which comprises the following components in parts by mass: the PU/UV double-layer curing paint is characterized by comprising the following components in parts by mass: 6-10 parts of hydroxyl acrylic resin, 21-25 parts of polyurethane tetraacrylate, 23-30 parts of aliphatic polyurethane tetraacrylate, 10-15 parts of color paste, 8-12 parts of ethoxylated trimethylolpropane triacrylate, 3-6 parts of ethyl acetate, 5-10 parts of butyl acetate, 3-6 parts of initiator, 0.5-2 parts of flatting agent, 8-12 parts of curing agent and 1-3 parts of boiled oil water. The PU/UV double-layer curing paint has the characteristics of low VOC volatilization value, convenient construction, high storage stability, ultrahigh aging resistance within 1500 hours and good performance stability.
Description
Technical Field
The invention relates to the technical field of curing paint compositions, in particular to PU/UV double-layer curing paint.
Background
The PU/UV dual-curing paint has the advantages of combining the weather resistance of the PU dual-component paint, having quick-drying workability, overcoming the difficult problems of film sticking and film printing of the dual-component PU paint after production, simultaneously overcoming the defect that the paint film can be automatically dried in the places where the UV can not reach, having excellent weather resistance and good construction controllability, and reducing the addition amount of organic solvent and excellent paint film performance. The current PU paint and UV light-cured paint have overhigh VOC value (450 mg/kg and 400 mg/kg), and light-resistant test: 1.25w/m2 mm 100 ℃ 500 and 330 hours, resistance to boiling: 85 ℃ for 2 hours; and PU/UV dual-curing paint VOC index: less than 300 mg/kg, aging resistance test: and (3) testing illumination resistance: 1.25w/m2 x 420mm x 100 x 1500, water boil resistant: 2 hours of overall performance at 100 ℃; therefore, the development of the dual-curing paint has the defects of further improving the paint film performance and the like.
Disclosure of Invention
The invention aims to provide PU/UV double-layer curing paint which has the characteristics of low VOC volatilization value, convenient construction, high storage stability, ultrahigh ageing resistance within 1500 hours and good performance stability.
The invention can be realized by the following technical scheme:
the invention discloses a PU/UV double-layer curing paint which comprises the following components in parts by mass: 6-10 parts of hydroxyl acrylic resin, 21-25 parts of polyurethane tetraacrylate, 23-30 parts of aliphatic polyurethane tetraacrylate, 10-15 parts of color paste, 8-12 parts of ethoxylated trimethylolpropane triacrylate, 3-6 parts of ethyl acetate, 5-10 parts of butyl acetate, 3-6 parts of initiator, 0.5-2 parts of flatting agent, 8-12 parts of curing agent and 1-3 parts of boiled oil water.
In the invention, hydroxyl acrylic resin with high solid content and low viscosity is selected, polyurethane acrylate resin with high reaction rate is required, and reactive monomers are not used; initiators with different absorption wavelengths are selected, so that the UV paint film curing process has the effects of deep curing, intermediate layer and surface layer photocuring which all reach an ideal state; the compatibility of the hydroxyl acrylic resin and the polyurethane acrylic resin is adjusted, and proper aliphatic isocyanate is matched to be used as a curing agent.
Further, the color paste is a semi-finished product of carbon black color paste, the semi-finished product of carbon black color paste is composed of 801 carbon black color chips and methyl ethyl ketone according to the mass ratio of 1:4, and the 801 solid color chips are dissolved and dispersed by the methyl ethyl ketone under the condition of high-speed stirring of 1000 r/min, so that the semi-finished product of color paste with 20% of solid content and 5 microns of fineness is obtained.
Further, the initiator consists of 1-hydroxycyclohexyl phenyl ketone 184 initiator and phenyl bis (2,4, 6-trimethyl benzoyl) phosphine oxide 819 initiator according to the mass ratio of 4: 1. Further, the curing agent is composed of N3390 curing agent and butyl ester according to the mass ratio of 4: 1.
Furthermore, the boiled oil water consists of ethyl acetate, butanone and propylene glycol methyl ether in the ratio of 5:3: 2.
Furthermore, the oil opening ratio of the curing paint is 10:1:2-3, and the construction viscosity is 9.5-10 seconds.
Further, the drying conditions of the cured paint were: preheating at 50-55 ℃ for 5-8min, with energy of 900 and 1100mj/cm, and then baking at 80 ℃ for 60-120 min.
The PU/UV double-layer curing paint has the following beneficial effects:
according to the invention, the PU/UV dual-curing paint with low VOC and high performance is obtained by selecting the hydroxy acrylic resin with high solid content and low viscosity (the solid content is 75, the viscosity is 144 Ford cup 4 #), selecting the matching of the UV resins with different functionalities and introducing a proper photoinitiator, and optimizing the formula through the performance test of the product and the evaluation of the application condition of the product construction.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following provides a detailed description of the product of the present invention with reference to the examples.
The invention discloses a PU/UV double-layer curing paint which comprises the following components in parts by mass: 6-10 parts of hydroxyl acrylic resin, 21-25 parts of polyurethane tetraacrylate, 23-30 parts of aliphatic polyurethane tetraacrylate, 10-15 parts of color paste, 8-12 parts of ethoxylated trimethylolpropane triacrylate, 3-6 parts of ethyl acetate, 5-10 parts of butyl acetate, 3-6 parts of initiator, 0.5-2 parts of flatting agent, 8-12 parts of curing agent and 1-3 parts of boiled oil water.
Further, the color paste is a semi-finished product of carbon black color paste, the semi-finished product of carbon black color paste is composed of 801 carbon black color chips and methyl ethyl ketone according to the mass ratio of 1:4, and the 801 solid color chips are dissolved and dispersed by the methyl ethyl ketone under the condition of high-speed stirring of 1000 r/min, so that the semi-finished product of color paste with 20% of solid content and 5 microns of fineness is obtained.
Further, the initiator consists of 1-hydroxycyclohexyl phenyl ketone 184 initiator and phenyl bis (2,4, 6-trimethyl benzoyl) phosphine oxide 819 initiator according to the mass ratio of 4: 1. Further, the curing agent is composed of N3390 curing agent and butyl ester according to the mass ratio of 4: 1.
Furthermore, the boiled oil water consists of ethyl acetate, butanone and propylene glycol methyl ether in the ratio of 5:3: 2.
Furthermore, the oil opening ratio of the curing paint is 10:1:2-3, and the construction viscosity is 9.5-10 seconds.
Further, the drying conditions of the cured paint were: preheating at 50-55 ℃ for 5-8min, with energy of 900 and 1100mj/cm, and then baking at 80 ℃ for 60-120 min.
Example 1
The invention discloses a PU/UV double-layer curing paint which comprises the following components in parts by mass: 6-10 parts of hydroxyl acrylic resin, 21-25 parts of polyurethane tetraacrylate, 23-30 parts of aliphatic polyurethane tetraacrylate, 10-15 parts of color paste, 8-12 parts of ethoxylated trimethylolpropane triacrylate, 3-6 parts of ethyl acetate, 5-10 parts of butyl acetate, 3-6 parts of initiator, 0.5-2 parts of flatting agent, 8-12 parts of curing agent and 1-3 parts of boiled oil water.
In this embodiment, the color paste is a semi-finished product of carbon black color paste, the semi-finished product of carbon black color paste is composed of 801 carbon black color chips and methyl ethyl ketone according to a mass ratio of 1:4, and the 801 solid color chips are dissolved and dispersed by the methyl ethyl ketone under the condition of high-speed stirring at 1000 rpm, so that the semi-finished product of color paste with 20% solid content and 5 micron fineness is obtained.
In this example, the initiator consists of 1-hydroxycyclohexyl phenyl ketone 184 initiator and phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide 819 initiator in a mass ratio of 4: 1. Further, the curing agent is composed of N3390 curing agent and butyl ester according to the mass ratio of 4: 1.
In the embodiment, the boiling water consists of ethyl acetate, butanone and propylene glycol methyl ether in a ratio of 5:3: 2; the oil opening ratio of the curing paint is 10:1:2-3, and the construction viscosity is 9.5-10 seconds; the drying conditions of the cured paint were: preheating at 50-55 ℃ for 5-8min, with energy of 900 and 1100mj/cm, and then baking at 80 ℃ for 60-120 min.
Example 2
The invention discloses a PU/UV double-layer curing paint which comprises the following components in parts by mass: 8 parts of hydroxy acrylic resin, 21 parts of polyurethane tetraacrylate, 30 parts of aliphatic polyurethane tetraacrylate, 13 parts of color paste, 8 parts of ethoxylated trimethylolpropane triacrylate, 6 parts of ethyl acetate, 8 parts of butyl acetate, 3 parts of initiator, 0.5-2 parts of flatting agent, 12 parts of curing agent and 2 parts of boiled oil water.
In this embodiment, the color paste is a semi-finished product of carbon black color paste, the semi-finished product of carbon black color paste is composed of 801 carbon black color chips and methyl ethyl ketone according to a mass ratio of 1:4, and the 801 solid color chips are dissolved and dispersed by the methyl ethyl ketone under the condition of high-speed stirring at 1000 rpm, so that the semi-finished product of color paste with 20% solid content and 5 micron fineness is obtained.
In this example, the initiator consists of 1-hydroxycyclohexyl phenyl ketone 184 initiator and phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide 819 initiator in a mass ratio of 4: 1. Further, the curing agent is composed of N3390 curing agent and butyl ester according to the mass ratio of 4: 1.
In the embodiment, the boiling water consists of ethyl acetate, butanone and propylene glycol methyl ether in a ratio of 5:3: 2; the oil opening ratio of the curing paint is 10:1:2-3, and the construction viscosity is 9.5-10 seconds; the drying conditions of the cured paint were: preheating at 50-55 ℃ for 5-8min, with energy of 900 and 1100mj/cm, and then baking at 80 ℃ for 60-120 min.
Example 3
The invention discloses a PU/UV double-layer curing paint which comprises the following components in parts by mass: 6 parts of hydroxy acrylic resin, 25 parts of polyurethane tetraacrylate, 26 parts of aliphatic polyurethane tetraacrylate, 10 parts of color paste, 12 parts of ethoxylated trimethylolpropane triacrylate, 4.5 parts of ethyl acetate, 5 parts of butyl acetate, 6 parts of initiator, 1.5 parts of flatting agent, 8 parts of curing agent and 3 parts of boiled oil water.
In this embodiment, the color paste is a semi-finished product of carbon black color paste, the semi-finished product of carbon black color paste is composed of 801 carbon black color chips and methyl ethyl ketone according to a mass ratio of 1:4, and the 801 solid color chips are dissolved and dispersed by the methyl ethyl ketone under the condition of high-speed stirring at 1000 rpm, so that the semi-finished product of color paste with 20% solid content and 5 micron fineness is obtained.
In this example, the initiator consists of 1-hydroxycyclohexyl phenyl ketone 184 initiator and phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide 819 initiator in a mass ratio of 4: 1. Further, the curing agent is composed of N3390 curing agent and butyl ester according to the mass ratio of 4: 1.
In the embodiment, the boiling water consists of ethyl acetate, butanone and propylene glycol methyl ether in a ratio of 5:3: 2; the oil opening ratio of the curing paint is 10:1:2-3, and the construction viscosity is 9.5-10 seconds; the drying conditions of the cured paint were: preheating at 50-55 ℃ for 5-8min, with energy of 900 and 1100mj/cm, and then baking at 80 ℃ for 60-120 min.
Example 4
The invention discloses a PU/UV double-layer curing paint which comprises the following components in parts by mass: 10 parts of hydroxy acrylic resin, 23 parts of polyurethane tetraacrylate, 23 parts of aliphatic polyurethane tetraacrylate, 15 parts of color paste, 10 parts of ethoxylated trimethylolpropane triacrylate, 3 parts of ethyl acetate, 10 parts of butyl acetate, 4.5 parts of initiator, 0.5 part of flatting agent, 12 parts of curing agent and 2 parts of boiled oil water.
In this embodiment, the color paste is a semi-finished product of carbon black color paste, the semi-finished product of carbon black color paste is composed of 801 carbon black color chips and methyl ethyl ketone according to a mass ratio of 1:4, and the 801 solid color chips are dissolved and dispersed by the methyl ethyl ketone under the condition of high-speed stirring at 1000 rpm, so that the semi-finished product of color paste with 20% solid content and 5 micron fineness is obtained.
In this example, the initiator consists of 1-hydroxycyclohexyl phenyl ketone 184 initiator and phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide 819 initiator in a mass ratio of 4: 1. Further, the curing agent is composed of N3390 curing agent and butyl ester according to the mass ratio of 4: 1.
In the embodiment, the boiling water consists of ethyl acetate, butanone and propylene glycol methyl ether in a ratio of 5:3: 2; the oil opening ratio of the curing paint is 10:1:2-3, and the construction viscosity is 9.5-10 seconds; the drying conditions of the cured paint were: preheating at 50-55 ℃ for 5-8min, with energy of 900 and 1100mj/cm, and then baking at 80 ℃ for 60-120 min.
Example 5
The invention discloses a PU/UV double-layer curing paint which comprises the following components in parts by mass: 7 parts of hydroxy acrylic resin, 24 parts of polyurethane tetraacrylate, 28 parts of aliphatic polyurethane tetraacrylate, 11 parts of color paste, 9 parts of ethoxylated trimethylolpropane triacrylate, 4 parts of ethyl acetate, 6 parts of butyl acetate, 5 parts of initiator, 1 part of leveling agent, 9 parts of curing agent and 2 parts of boiled oil water.
In this embodiment, the color paste is a semi-finished product of carbon black color paste, the semi-finished product of carbon black color paste is composed of 801 carbon black color chips and methyl ethyl ketone according to a mass ratio of 1:4, and the 801 solid color chips are dissolved and dispersed by the methyl ethyl ketone under the condition of high-speed stirring at 1000 rpm, so that the semi-finished product of color paste with 20% solid content and 5 micron fineness is obtained.
In this example, the initiator consists of 1-hydroxycyclohexyl phenyl ketone 184 initiator and phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide 819 initiator in a mass ratio of 4: 1. Further, the curing agent is composed of N3390 curing agent and butyl ester according to the mass ratio of 4: 1.
In the embodiment, the boiling water consists of ethyl acetate, butanone and propylene glycol methyl ether in a ratio of 5:3: 2; the oil opening ratio of the curing paint is 10:1:2-3, and the construction viscosity is 9.5-10 seconds; the drying conditions of the cured paint were: preheating at 50-55 ℃ for 5-8min, with energy of 900 and 1100mj/cm, and then baking at 80 ℃ for 60-120 min.
In examples 1-5, the role and the type of each component are specifically:
the hydroxyl acrylic resin and the novel meta-resin Y003NCA play roles in supplementing crosslinking reaction, and have the characteristics of excellent adhesive force, good compatibility, mirror surface leveling, high gloss and the like on materials such as PC materials.
The polyurethane tetraacrylate, which can be selected from Cyanote 8210, is used as a main resin and is matched with polyurethane acrylic resin with hydroxyl, so that the polyurethane tetraacrylate has particularly stable performance when being used as a dual-curing paint.
The aliphatic polyurethane tetraacrylate selects the Triseven 7906 UV resin with a small amount of hydroxyl value as the main resin, has good compatibility with the hydroxyacrylic acid resin, and improves the adhesive force of a paint film.
BYK333 can be selected as the leveling agent.
184 initiator, mainly used for curing the surface of the paint film; 819. the initiator has deep curing effect on colored paint, especially black paste.
In the invention, in order to effectively evaluate the technical effect of the invention, the following basic performances are tested: viscosity of paint, drying speed, storage stability of paint, hardness of paint film, adhesive force, wear resistance, water resistance, high and low temperature resistance and chemical resistance.
Meanwhile, the following method is adopted for key performance test: boiling resistance test: the paint film has no change at 100 ℃ for 2 hours, and the adhesive force is qualified. And (3) testing illumination resistance: 1.25w/m2 × 420mm × 100 × 1500, no change in paint film, and acceptable adhesion. VOC index: less than 300 mg/kg.
The overall test procedure, test items and test results for examples 1-5 are shown in Table 1:
table 1 results of performance testing
The invention selects the hydroxyl acrylic resin with high solid content and low viscosity, and polyurethane acrylic resin with high reaction rate and non-reactive monomer are needed; initiators with different absorption wavelengths are selected, so that the UV paint film curing process has the effects of deep curing, intermediate layer and surface layer photocuring which all reach an ideal state; the compatibility of the hydroxyl acrylic resin and the polyurethane acrylic resin is adjusted, and the proper aliphatic isocyanate is matched to be used as a curing agent, so that the polyurethane acrylic resin has low VOC, and has good construction property, storage stability and performance stability.
The above embodiments are only specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications are possible without departing from the inventive concept, and such obvious alternatives fall within the scope of the invention.
Claims (7)
1. The PU/UV double-layer curing paint is characterized by comprising the following components in parts by mass: 6-10 parts of hydroxy acrylic resin, 21-25 parts of polyurethane tetraacrylate, 23-30 parts of aliphatic polyurethane tetraacrylate, 10-15 parts of color paste, 8-12 parts of ethoxylated trimethylolpropane triacrylate, 3-6 parts of ethyl acetate, 5-10 parts of butyl acetate, 3-6 parts of initiator, 0.5-2 parts of flatting agent, 8-12 parts of curing agent and 1-3 parts of boiled oil water.
2. The PU/UV dual-layer cured paint according to claim 1, wherein: the color paste is a semi-finished product of carbon black color paste, and the semi-finished product of carbon black color paste consists of 801 carbon black color chips and methyl ethyl ketone according to the mass ratio of 1: 4.
3. The PU/UV dual-layer cured paint according to claim 1, wherein: the initiator consists of 1-hydroxycyclohexyl phenyl ketone 184 initiator and phenyl bis (2,4, 6-trimethyl benzoyl) phosphine oxide 819 initiator according to the mass ratio of 4: 1.
4. The PU/UV dual-layer cured paint according to claim 1, wherein: the curing agent consists of N3390 curing agent and butyl ester according to the mass ratio of 4: 1.
5. The PU/UV dual-layer cured paint according to claim 1, wherein: the boiling water consists of ethyl acetate, butanone and propylene glycol methyl ether in the ratio of 5:3: 2.
6. The PU/UV dual-layer cured paint according to claim 1, wherein: the oil opening ratio of the curing paint is 10:1:2-3, and the construction viscosity is 9.5-10 seconds.
7. The PU/UV dual-layer cured paint according to claim 1, wherein: the drying conditions of the cured paint are as follows: preheating at 50-55 ℃ for 5-8min with energy of 900-1100mj/cm, and then baking at 80 ℃ for 60-120 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111584507.2A CN114525076A (en) | 2021-12-23 | 2021-12-23 | PU/UV double-layer curing paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111584507.2A CN114525076A (en) | 2021-12-23 | 2021-12-23 | PU/UV double-layer curing paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114525076A true CN114525076A (en) | 2022-05-24 |
Family
ID=81619892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111584507.2A Pending CN114525076A (en) | 2021-12-23 | 2021-12-23 | PU/UV double-layer curing paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114525076A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014006142A1 (en) * | 2012-07-04 | 2014-01-09 | Basf Coatings Gmbh | Uv- and thermally-curing clear paint composition for motor vehicle refinishing painting |
| CN104449318A (en) * | 2014-12-11 | 2015-03-25 | 惠州市至上新材料有限公司 | Dual-component PU/UV dual-cured anti-doodling coating |
| CN108997925A (en) * | 2018-09-18 | 2018-12-14 | 芜湖春风新材料有限公司 | A kind of coloured dual cure UV coating of automotive upholstery |
| CN109836991A (en) * | 2018-12-27 | 2019-06-04 | 惠州市凯辉化工有限公司 | A kind of automobile interior decoration water transfer spraying UV gloss oil and preparation method thereof |
| CN111073427A (en) * | 2019-12-31 | 2020-04-28 | 芜湖春风新材料有限公司 | Dual UV (ultraviolet) curing coating for automotive interior parts, preparation method thereof and paint film formed by dual UV curing coating |
-
2021
- 2021-12-23 CN CN202111584507.2A patent/CN114525076A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014006142A1 (en) * | 2012-07-04 | 2014-01-09 | Basf Coatings Gmbh | Uv- and thermally-curing clear paint composition for motor vehicle refinishing painting |
| CN104449318A (en) * | 2014-12-11 | 2015-03-25 | 惠州市至上新材料有限公司 | Dual-component PU/UV dual-cured anti-doodling coating |
| CN108997925A (en) * | 2018-09-18 | 2018-12-14 | 芜湖春风新材料有限公司 | A kind of coloured dual cure UV coating of automotive upholstery |
| CN109836991A (en) * | 2018-12-27 | 2019-06-04 | 惠州市凯辉化工有限公司 | A kind of automobile interior decoration water transfer spraying UV gloss oil and preparation method thereof |
| CN111073427A (en) * | 2019-12-31 | 2020-04-28 | 芜湖春风新材料有限公司 | Dual UV (ultraviolet) curing coating for automotive interior parts, preparation method thereof and paint film formed by dual UV curing coating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109337487B (en) | Water-based acrylic amino baking paint | |
| CN107459953B (en) | Preparation method of polyacrylate pressure-sensitive adhesive with high water resistance | |
| CN111073427B (en) | Dual UV (ultraviolet) curing coating for automotive interior parts, preparation method thereof and paint film formed by dual UV curing coating | |
| CN110951041B (en) | Waterborne polyurethane-acrylate hybrid copolymer and preparation method thereof | |
| CN111793409A (en) | Vacuum electroplating UV (ultraviolet) photocuring base coat and preparation method thereof | |
| CN114163974A (en) | UV-LED and moisture dual-curing high-wettability environment-friendly three-proofing adhesive and preparation method thereof | |
| CN109517512B (en) | High-solid-content two-component coating and application thereof | |
| CN114276716A (en) | Digital printing low-viscosity high-curing-rate environment-friendly water-based UV ink and preparation method thereof | |
| CN114525076A (en) | PU/UV double-layer curing paint | |
| CN107868582B (en) | Ultraviolet-curing normal-temperature curtain coating glossy white finish | |
| CN110527425B (en) | Ultraviolet-curing transparent color-modifying mother solution and preparation method and application thereof | |
| CN112029030A (en) | Water-based acrylic resin for organic silicon modified glass paint and preparation method and application thereof | |
| CN109280478B (en) | Use method of UV coating for automotive interior | |
| CN111534213A (en) | Dual-curing high-gloss coating for automotive interior and preparation method and application thereof | |
| CN111234134B (en) | High-performance glycidyl versatate modified polysiloxane resin and preparation method thereof | |
| CN113801269B (en) | Dual-modified self-crosslinking water-based acrylic emulsion and preparation method thereof | |
| CN102627938B (en) | Preparation method of nonsaturated polyester polyurethane segmented copolymer solvent-free adhesive | |
| CN115322674A (en) | High-adhesion glass finishing paint and preparation method thereof | |
| CN110616034B (en) | Anti-fog UV coating for automobile exterior trimming part and automobile lamp, preparation method of anti-fog UV coating and paint film formed by anti-fog UV coating | |
| CN111217957B (en) | Poly (methyl) acrylate water-based skin-feel resin and preparation method thereof | |
| CN112898824B (en) | UV-LED photocuring inkjet ink for glass substrate and preparation method thereof | |
| CN111040093B (en) | Photosensitive resin and preparation method and application thereof | |
| CN109554019B (en) | Temperature response type polymer modified water-based UV (ultraviolet) curing ink and preparation method and application thereof | |
| CN107641455B (en) | Anti-fingerprint UV coating for automotive interior parts, and preparation method and application thereof | |
| CN108192476B (en) | Water-based wood paint and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220524 |