CN102363686B - Low-hydroxyl-value polyurethane UV primer base used for spray painting, and purpose thereof - Google Patents
Low-hydroxyl-value polyurethane UV primer base used for spray painting, and purpose thereof Download PDFInfo
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- CN102363686B CN102363686B CN 201110183775 CN201110183775A CN102363686B CN 102363686 B CN102363686 B CN 102363686B CN 201110183775 CN201110183775 CN 201110183775 CN 201110183775 A CN201110183775 A CN 201110183775A CN 102363686 B CN102363686 B CN 102363686B
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Abstract
The invention discloses a low-hydroxyl-value polyurethane UV primer base used for spray painting, and a purpose thereof. The primer base comprises components of, by weight: 20 to 30 parts of hydroxylated acrylic resin, 20 to 30 parts of thermoplastic acrylic resin, 20 to 40 parts of butyl acetate, 0.2 to 1 part of a leveling agent, 0.2 to 1 part of an antifoaming agent, and 5 to 10 parts of a solvent. Also, 0 to 25 parts of a color paste can be added to the formulation. Solid content of hydroxylated acrylic resin and thermoplastic acrylic resin is no less than 40%. The leveling agent is acrylic ester. The antifoaming agent is organosilicon. The solvent is a PMA solvent. The color paste is a mixture of an inorganic or organic pigment, a dispersant, acrylic resin, and a solvent. The primer base provided by the invention can be used as a spray painting paint used on plastic housings of electronic products and appliances. The invention provides a UV primer base product with higher environmental test tolerance and higher cross linking degree.
Description
Technical field
The present invention relates to organic coating, particularly relate to a kind of spraying for electronics and electric equipment products plastic shell, is that a kind of spraying is with hanging down hydroxyl value urethane UV primer base and purposes.
Background technology
At present, various electronics or electric equipment products have been widely used in people's the life as digital camera, notebook computer, mobile phone etc.The shell of this series products is made by plastics and plastic material mostly, and its shell all need be at surperficial sprayed protection and ornamental coating after machine-shaping.Traditional casing mostly is thermoplastic acrylic paint with base coat, and along with the demand that extensive paint spay-coating is produced, spraying manufacturer more and more payes attention to various performances such as anti-ring survey, therefore is badly in need of the more anti-ring of exploitation and surveys and the higher UV priming paint product of degree of crosslinking.
Summary of the invention
The present invention is intended to address the above problem, and provides a kind of more anti-ring to survey and the higher UV priming paint product of degree of crosslinking.
For achieving the above object, the invention provides a kind of spraying with hanging down hydroxyl value urethane UV primer base, the weight percent of this coating consists of:
Hydroxylated acrylic resin 20～30
Thermoplastic acrylic resin 18～30
N-BUTYL ACETATE 20～40
Flow agent 0.2～1
Defoamer 0.2～1
PMA 5～11
Mill base 0～25.
Described spraying is with hanging down hydroxyl value urethane UV primer base, and wherein a kind of weight percent of screening formulation consists of:
Hydroxylated acrylic resin 25
Thermoplastic acrylic resin 23
N-BUTYL ACETATE 40
Flow agent 0.5
Defoamer 0.5
PMA 11 。
Described spraying is with hanging down hydroxyl value urethane UV primer base, and wherein a kind of weight percent of screening formulation consists of:
Hydroxylated acrylic resin 20
Thermoplastic acrylic resin 18.4
N-BUTYL ACETATE 32
Flow agent 0.5
Defoamer 0.5
PMA 7.5
Mill base 21.1.
Described spraying is with hanging down hydroxyl value urethane UV primer base, and wherein, the solids content of described hydroxy acryl acid resin and thermoplastic acrylic resin all is equal to or greater than 40%.Wherein Hydroxylated acrylic resin is used for and the solidifying agent reaction, and thermoplastic acrylic resin is used for improving with ground and adheres to.
Described spraying is with hanging down hydroxyl value urethane UV primer base, wherein, described flow agent is acrylate, for increasing the coating surface levelling, defoamer is organosilicon, is used for eliminating the paint film steam bubble, and mill base is the mixture that is disperseed by mechanical mill by inorganic or pigment dyestuff, dispersion agent, acrylic resin, solvent, be used to the coating toning, also can not add.
A kind of spraying provided by the invention can be used as the spraying coating of electronics and electric equipment products plastic shell with hanging down hydroxyl value urethane UV primer base.
Contribution of the present invention is that it provides more anti-ring to survey and the higher UV priming paint product of degree of crosslinking.
Embodiment
The invention provides spraying with hanging down hydroxyl value urethane UV primer base and purposes, clearer, clear and definite for making purpose of the present invention, technical scheme and effect, the present invention is described in more detail for following examples.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
Embodiment 1
Get 11 parts of solvent PMA 1-Methoxy-2-propyl acetates, 25 parts of Hydroxylated acrylic resins (weight), 23 parts of thermoplastic acrylics (weight), add defoamer 0.5 part of (weight) and 0.5 part of flow agent (weight), wherein defoamer is selected BYK-141 type silicone antifoam agent for use, flow agent is selected acrylate auxiliary agent (BYK-354 type flow agent) for use, formed mixture is after low speed is uniformly dispersed, add 40 parts of N-BUTYL ACETATEs (weight), stir 10 parts of clocks then, the back that is uniformly dispersed is filtered with 300 order grenadines and is got product.
Embodiment 2
Get 10 parts of solvent PMA 1-Methoxy-2-propyl acetates, 30 parts of hydroxyl polyurethane resins (weight), 28 parts of thermoplastic acrylics (weight), add defoamer 0.2 part of (weight) and 0.2 part of flow agent (weight), wherein defoamer is selected BYK-141 type silicone antifoam agent for use, flow agent is selected acrylate auxiliary agent (BYK-354 type flow agent) for use, formed mixture is after low speed is uniformly dispersed, add 31.6 parts of N-BUTYL ACETATEs (weight), stir 10 parts of clocks, the back that is uniformly dispersed is filtered with 300 order grenadines and is got product.
Embodiment 3
Get 8 parts of solvent PMA 1-Methoxy-2-propyl acetates, 25 parts of hydroxyl polyurethane resins (weight), 30 parts of thermoplastic acrylics (weight), add defoamer 1 part of (weight) and 1 part of flow agent (weight), wherein defoamer is selected BYK-141 type silicone antifoam agent for use, flow agent is selected acrylate auxiliary agent (BYK-354 type flow agent) for use, formed mixture is after low speed is uniformly dispersed, add 25 parts of N-BUTYL ACETATEs (weight), stir 10 parts of clocks, add 10 parts of black color pastes (weight) again, the back that is uniformly dispersed is filtered with 300 order grenadines and is got product.
Embodiment 4
Get 5 parts of solvent PMA 1-Methoxy-2-propyl acetates, 20 parts of hydroxyl polyurethane resins (weight), 30 parts of thermoplastic acrylics (weight), add defoamer 0.5 part of (weight) and 0.5 part of flow agent (weight), wherein defoamer is selected BYK-141 type silicone antifoam agent for use, flow agent is selected acrylate auxiliary agent (BYK-354 type flow agent) for use, formed mixture is after low speed is uniformly dispersed, add 20 parts of N-BUTYL ACETATEs (weight), stir 10 parts of clocks, add 24 parts of black color pastes (weight) again, the back that is uniformly dispersed is filtered with 300 order grenadines and is got product.
Embodiment 5
Get 7.5 parts of solvent PMA 1-Methoxy-2-propyl acetates, 20 parts of hydroxyl polyurethane resins (weight), 18.4 parts of thermoplastic acrylics (weight), add defoamer 0.5 part of (weight) and 0.5 part of flow agent (weight), wherein defoamer is selected BYK-141 type silicone antifoam agent for use, flow agent is selected acrylate auxiliary agent (BYK-354 type flow agent) for use, formed mixture is after low speed is uniformly dispersed, add 32 parts of N-BUTYL ACETATEs (weight), stir 10 parts of clocks, add 21.1 parts of black color pastes (weight) again, the back that is uniformly dispersed is filtered with 300 order grenadines and is got product.
Embodiment 6
Get 5 parts of solvent PMA 1-Methoxy-2-propyl acetates, 30 parts of hydroxyl polyurethane resins (weight), 18 parts of thermoplastic acrylics (weight), add defoamer 1 part of (weight) and 1 part of flow agent (weight), wherein defoamer is selected BYK-141 type silicone antifoam agent for use, flow agent is selected acrylate auxiliary agent (BYK-354 type flow agent) for use, formed mixture is after low speed is uniformly dispersed, add 20 parts of N-BUTYL ACETATEs (weight), stir 10 parts of clocks, add 25 parts of black color pastes (weight) again, the back that is uniformly dispersed is filtered with 300 order grenadines and is got product.
Embodiment 7
Get 35 parts of hydroxyl polyurethane resins (weight), 32 parts of thermoplastic acrylic resins (weight), add BYK-141 type silicone antifoam agent 0.5 part of (weight) and flow agent (BYK-358 type wetting agent) 0.5 part (weight), wherein defoamer is selected BYK-141 type silicone antifoam agent for use, flow agent is selected BYK-354 type wetting agent for use, formed mixture is after low speed is uniformly dispersed, add 20.35 parts of N-BUTYL ACETATEs (weight), add 12 parts of black color pastes (weight) again, stir 10 parts of clocks, the back that is uniformly dispersed is filtered with 300 order grenadines and is got product.
The spraying of above-described embodiment gained sees the following form with the physical and chemical index of polyurethane coating:
| Viscosity (second) NK-2# cup | Levelling | Anti-hand perspiration | |
| Embodiment 1 | 15 | Excellent | Generally |
| Embodiment 2 | 25 | Generally | Generally |
| Embodiment 3 | 18 | Excellent | Generally |
| Embodiment 4 | 15 | Excellent | Very |
| Embodiment 5 | 13 | Excellent | Generally |
| Embodiment 6 | 22 | Very | Generally |
| Embodiment 7 | 30 | Difference | Generally |
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (1)
1. a spraying is with hanging down hydroxyl value urethane UV primer base, it is characterized in that, described spraying is with hanging down hydroxyl value urethane UV primer base mark meter by weight, get 10 parts of solvent PMA 1-Methoxy-2-propyl acetates, 30 parts of hydroxyl polyurethane resins, 28 parts of thermoplastic acrylics, add 0.2 part of 0.2 part of defoamer and flow agent, wherein defoamer is selected BYK-141 type silicone antifoam agent for use, flow agent is selected the acrylate auxiliary agent for use, and formed mixture adds 31.6 parts of N-BUTYL ACETATEs after low speed is uniformly dispersed, stir 10 parts of clocks, the back that is uniformly dispersed is filtered with 300 order grenadines and is got product;
Perhaps, get 8 parts of solvent PMA 1-Methoxy-2-propyl acetates, 25 parts of hydroxyl polyurethane resins, 30 parts of thermoplastic acrylics, add 1 part of 1 part of defoamer and flow agent, wherein defoamer is selected BYK-141 type silicone antifoam agent for use, and flow agent is selected the acrylate auxiliary agent for use, and formed mixture is after low speed is uniformly dispersed, add 25 parts of N-BUTYL ACETATEs, stir 10 parts of clocks, add 10 parts of black color pastes again, the back that is uniformly dispersed is filtered with 300 order grenadines and is got product;
Perhaps, get 5 parts of solvent PMA 1-Methoxy-2-propyl acetates, 20 parts of hydroxyl polyurethane resins, 30 parts of thermoplastic acrylics, add 0.5 part of 0.5 part of defoamer and flow agent, wherein defoamer is selected BYK-141 type silicone antifoam agent for use, and flow agent is selected the acrylate auxiliary agent for use, and formed mixture is after low speed is uniformly dispersed, add 20 parts of N-BUTYL ACETATEs, stir 10 parts of clocks, add 24 parts of black color pastes again, the back that is uniformly dispersed is filtered with 300 order grenadines and is got product;
Perhaps, get 7.5 parts of solvent PMA 1-Methoxy-2-propyl acetates, 20 parts of hydroxyl polyurethane resins, 18.4 parts of thermoplastic acrylics, add 0.5 part of 0.5 part of defoamer and flow agent, wherein defoamer is selected BYK-141 type silicone antifoam agent for use, and flow agent is selected the acrylate auxiliary agent for use, and formed mixture is after low speed is uniformly dispersed, add 32 parts of N-BUTYL ACETATEs, stir 10 parts of clocks, add 21.1 parts of black color pastes again, the back that is uniformly dispersed is filtered with 300 order grenadines and is got product;
Perhaps, get 5 parts of solvent PMA 1-Methoxy-2-propyl acetates, 30 parts of hydroxyl polyurethane resins, 18 parts of thermoplastic acrylics, add 1 part of 1 part of defoamer and flow agent, wherein defoamer is selected BYK-141 type silicone antifoam agent for use, and flow agent is selected the acrylate auxiliary agent for use, and formed mixture is after low speed is uniformly dispersed, add 20 parts of N-BUTYL ACETATEs, stir 10 parts of clocks, add 25 parts of black color pastes again, the back that is uniformly dispersed is filtered with 300 order grenadines and is got product;
Described spraying is with low hydroxyl value urethane UV primer base, as the spraying coating of electronics and electric equipment products plastic shell;
Mill base is the mixture that is disperseed by mechanical mill by inorganic or pigment dyestuff, dispersion agent, acrylic resin, solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110183775 CN102363686B (en) | 2011-07-01 | 2011-07-01 | Low-hydroxyl-value polyurethane UV primer base used for spray painting, and purpose thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110183775 CN102363686B (en) | 2011-07-01 | 2011-07-01 | Low-hydroxyl-value polyurethane UV primer base used for spray painting, and purpose thereof |
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| Publication Number | Publication Date |
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| CN102363686A CN102363686A (en) | 2012-02-29 |
| CN102363686B true CN102363686B (en) | 2013-07-10 |
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| CN 201110183775 Expired - Fee Related CN102363686B (en) | 2011-07-01 | 2011-07-01 | Low-hydroxyl-value polyurethane UV primer base used for spray painting, and purpose thereof |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102993800B (en) * | 2012-11-30 | 2015-09-23 | 上海长润发涂料有限公司 | Can be used for the UV seal coat of high fat content ground |
| CN103254742B (en) * | 2013-04-25 | 2015-09-09 | 深圳市美丽华油墨涂料有限公司 | Spraying colored polyurethane elastic handfeel coating and preparation method thereof and uses thereof |
| CN103254715B (en) * | 2013-04-25 | 2015-06-17 | 深圳市美丽华油墨涂料有限公司 | Transparent acrylic acid intermediate-coating paint base stock and preparation method thereof |
| CN103254743B (en) * | 2013-04-25 | 2015-06-17 | 深圳市美丽华油墨涂料有限公司 | Polyurethane paint having elastic handfeel and used for spraying and preparation method as well as application thereof |
| CN103342956A (en) * | 2013-06-27 | 2013-10-09 | 天长市巨龙车船涂料有限公司 | Acrylic acid modified waterborne polyurethane paint and preparation method thereof |
| CN105907205A (en) * | 2016-05-27 | 2016-08-31 | 安徽胜利精密制造科技有限公司 | Laptop case paint coating base material and preparation method thereof |
| CN106085074A (en) * | 2016-05-27 | 2016-11-09 | 安徽胜利精密制造科技有限公司 | A kind of notebook computer shell coating bed material and preparation method thereof |
| CN109796838A (en) * | 2018-12-27 | 2019-05-24 | 惠州市凯辉化工有限公司 | A kind of priming paint expected suitable for automobile exterior with ABS/PP |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101235229B (en) * | 2008-01-16 | 2010-07-14 | 长兴化学工业股份有限公司 | Paint composition |
| CN100543096C (en) * | 2008-09-12 | 2009-09-23 | 深圳市美丽华油墨涂料有限公司 | Disposable spray finishing is with coating and purposes |
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Address after: 518103, Guangdong, Baoan District, Fuyong Shenzhen street, Fung Tong Avenue and Yonghe Road intersection Patentee after: Shenzhen beautiful Polytron Technologies Inc Address before: 518103, Feng Tong Road 243, Fuyong Town, Shenzhen, Guangdong, Baoan District Patentee before: Shenzhen Meilihua Ink & Coating Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20130710 Termination date: 20190701 |