CN107603409A - A kind of uvioresistant epoxy cold coating - Google Patents
A kind of uvioresistant epoxy cold coating Download PDFInfo
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- CN107603409A CN107603409A CN201710943151.4A CN201710943151A CN107603409A CN 107603409 A CN107603409 A CN 107603409A CN 201710943151 A CN201710943151 A CN 201710943151A CN 107603409 A CN107603409 A CN 107603409A
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- epoxy
- uvioresistant
- cold coating
- coating
- epoxy resin
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Abstract
The invention discloses a kind of uvioresistant epoxy cold coating, including following component by weight percentage：Epoxy resin 88.5% 93.5%, inorganic UV absorbent 3.5% 7.5%, light stabilizer 0.25% 0.65%, diluent 2.5% 5.0%, defoamer 0.08% 0.18%, levelling agent 0.30% 0.80%, coupling agent 0.25% 0.75%；Epoxy resin includes glycidyl amine type epoxy resin and heterocyclic type glycidyl epoxide resin, and inorganic UV absorbent is nano zine oxide and at least one of wollastonite in powder and mica powder；Light stabilizer is hindered amine light stabilizer.The invention also discloses the preparation method of the uvioresistant epoxy cold coating.The uvioresistant epoxy cold coating of the present invention, ultraviolet light can be scattered and be absorbed, stable performance, good weatherability, being exposed to the sun for a long time in the sun will not decomposed metamorphic, suitable for the use under the conditions of various temperature and humidities, will not the aging because of ultraviolet irradiation, can be applied extensively out of doors.
Description
Technical field
The present invention relates to epoxy coating field, and in particular to a kind of uvioresistant epoxy resin for outdoor metope
Coating.
Background technology
It is well known that epoxy resin has excellent protection against the tide, chemical-resistant reagent and corrosion resistance, and there is high-modulus and good
Dimensional stability the advantages that.Application of the epoxy resin in coating occupies very big ratio, be widely used as anti-corrosive primer,
Level ground paint, industrial heavy-duty antiseptic paint, drink water tank paint, oil tank paint etc..Present coating epoxy resin fills the common bisphenol type epoxy of selection
Resin, but common bisphenol A type epoxy resin fat is due to containing phenyl ring in molecular structure, therefore its UV resistant performance is poor, it is weather-proof
Performance is also very bad, is easily degraded in the presence of ultraviolet with the steam in external environment, it is impossible to product out of doors
On applied.
The content of the invention
It is an object of the invention to provide a kind of uvioresistant epoxy coating for outdoor metope, the epoxy resin
Coating anti-uv-ray is strong, good weatherability.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions：
A kind of uvioresistant epoxy cold coating, including following component by weight percentage：Epoxy resin 90.5%-
95.5%, inorganic UV absorbent 3.5%-7.5%, light stabilizer 0.25%-0.65%, diluent 2.5%-5.0%, disappear
Infusion 0.08%-0.18%, levelling agent 0.30%-0.80%, coupling agent 0.25%-0.75%；The epoxy resin includes contracting
Water glyceramine type epoxy resin and heterocyclic type glycidyl epoxide resin, the inorganic UV absorbent be nano zine oxide and
At least one of wollastonite in powder and mica powder；The light stabilizer is hindered amine light stabilizer.
Further, by weight percentage, in the uvioresistant epoxy cold coating, glycidyl amine type epoxy resin
Amount be 45-48.5%, the amount of the heterocyclic type glycidyl epoxide resin is 43.5%-45%.
Further, by weight percentage, in the uvioresistant epoxy cold coating, the content of nano zine oxide is
1.5%-4.5%.
Further, the heterocyclic type glycidyl epoxide resin is tricyanic epoxy resin or glycolylurea epoxide resin.
Further, the particle diameter of the nano zine oxide is 10-30nm, and the particle diameter of the wollastonite in powder and mica powder is
20-50nm。
Further, the diluent is epoxy propane butyl ether, expoxy propane phenyl ether, benzyl glycidyl ether, uncle
One or more in carbonic acid glycidol ether, 1,4- butanediol glycidol ethers.
Further, the coupling agent is KH550 silane couplers, KH560 silane couplers, titanate coupling agent or aluminium
Acid esters coupling agent.
The invention also discloses the preparation method of above-mentioned uvioresistant epoxy cold coating, comprise the following steps：
Formula according to above-mentioned uvioresistant epoxy cold coating weighs each component, then inhales epoxy resin, inorganic UV
Agent, light stabilizer, diluent and coupling agent mixing are received, 10-30min is stirred under conditions of 45-65 DEG C, it is uniform to each component；
Defoamer and levelling agent are subsequently added into, continues to stir 5-10min, then vacuum defoamation, produces uvioresistant ring of the present invention
Oxygen tree grease coating material.
The beneficial effects of the invention are as follows:
The uvioresistant epoxy cold coating of the present invention, wherein inorganic UV absorbent and light stabilizer are with the addition of, can be right
Ultraviolet light is scattered and absorbed, stable performance, good weatherability, be exposed to the sun for a long time in the sun will not decomposed metamorphic, suitable for each
Use under the conditions of kind of temperature and humidity, will not the aging because of ultraviolet irradiation, can be applied extensively out of doors.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, described in detail below with presently preferred embodiments of the present invention as after.The tool of the present invention
Body embodiment is shown in detail by following examples.
Embodiment
Below in conjunction with embodiments of the invention, technical scheme is clearly and completely described, it is clear that
Described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on the implementation in the present invention
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of protection of the invention.
Embodiment 1
A kind of uvioresistant epoxy cold coating, it is formulated and the content of each component is as shown in table 1, wherein, heterocyclic type shrinks
Glycerol epoxy resin is glycolylurea epoxide resin, and diluent is epoxy propane butyl ether, and defoamer is organic silicon defoamer, the stream
Flat agent is hydroxymethyl cellulose, and coupling agent is KH550 silane couplers.
Above-mentioned uvioresistant epoxy cold coating is prepared through the steps：
Formula according to table 1 weighs each component, then by epoxy resin, inorganic UV absorbent, light stabilizer, diluent
Mixed with coupling agent, 30min is stirred under conditions of 55 DEG C, it is uniform to each component；Defoamer and levelling agent are subsequently added into, is continued
10min is stirred, then vacuum defoamation, produces the uvioresistant epoxy cold coating of embodiment 1.
Embodiment 2
A kind of uvioresistant epoxy cold coating, it is formulated and the content of each component is as shown in table 1, wherein, heterocyclic type shrinks
Glycerol epoxy resin is tricyanic epoxy resin, and diluent is benzyl glycidyl ether, and defoamer is polyethers defoamer, institute
It is polyacrylic acid to state levelling agent, and the coupling agent is titanate coupling agent.
Above-mentioned uvioresistant epoxy cold coating is prepared through the steps：
Formula according to table 1 weighs each component, then by epoxy resin, inorganic UV absorbent, light stabilizer, diluent
Mixed with coupling agent, 20min is stirred under conditions of 50 DEG C, it is uniform to each component；Defoamer and levelling agent are subsequently added into, is continued
5min is stirred, then vacuum defoamation, produces the uvioresistant epoxy cold coating of embodiment 2.
Embodiment 3
A kind of uvioresistant epoxy cold coating, it is formulated and the content of each component is as shown in table 1, wherein, heterocyclic type shrinks
Glycerol epoxy resin is glycolylurea epoxide resin, and diluent is BDO glycidol ether, and defoamer is organic silicon defoamer,
The levelling agent is hydroxyethyl cellulose, and the coupling agent is aluminate coupling agent.
Above-mentioned uvioresistant epoxy cold coating is prepared through the steps：
Formula according to table 1 weighs each component, then by epoxy resin, inorganic UV absorbent, light stabilizer, diluent
Mixed with coupling agent, 10min is stirred under conditions of 45 DEG C, it is uniform to each component；Defoamer and levelling agent are subsequently added into, is continued
10min is stirred, then vacuum defoamation, produces the uvioresistant epoxy cold coating of embodiment 3.
Comparative example 1
Commercially available common water borne epoxy coating.
The formula of the embodiment 1-3 of table 1 epoxy coating
Performance detection：
Example 1-3 and comparative example 1 epoxy coating, even application is on the thick tinplates of 3-5mm so that
The thickness of paint film is between 100-200 μm, and test sample is obtained after natural air drying 24h.
By GB/T16422.3-1997 plastics laboratory light source exposure test method third portion：The regulation of fluorescent ultraviolet lamp
Tested：Ultraviolet wavelength is 340nm, intensity 0.76W/m2, using the mode that exposes to the open air 1, embodiment 1-3 and comparative example 1 are surveyed
Sample of having a try irradiates exposure 4h at 60 DEG C, is carried out under conditions of then condensing exposure 4h alternately without irradiation at 50 DEG C ultraviolet
Senile experiment, aging exposure total time is 500h.Acquired results are as shown in table 2.
The performance test results of the epoxy coating of the embodiment of table 2 and comparative example
As shown in Table 2, embodiment 1-3 epoxy powder coating, its uvioresistant, lacquer painting hardness, chemical resistance, attachment
The performances such as power are significantly better than commercially available aqueous epoxide resin paint, remain to keep product not after 500h ultraviolet irradiation processing
Efflorescence, discoloration and cracking are no more than 1 grade.This shows that the epoxy coating of the present invention has excellent uvioresistant performance.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
1. a kind of uvioresistant epoxy cold coating, it is characterised in that including following component by weight percentage：Epoxy resin
88.5%-93.5%, inorganic UV absorbent 3.5%-7.5%, light stabilizer 0.25%-0.65%, diluent 2.5%-
5.0%, defoamer 0.08%-0.18%, levelling agent 0.30%-0.80%, coupling agent 0.25%-0.75%；The asphalt mixtures modified by epoxy resin
Fat includes glycidyl amine type epoxy resin and heterocyclic type glycidyl epoxide resin, and the inorganic UV absorbent is nano oxygen
Change zinc and at least one of wollastonite in powder and mica powder；The light stabilizer is hindered amine light stabilizer.
2. uvioresistant epoxy cold coating as claimed in claim 1, it is characterised in that by weight percentage, the anti-purple
In outer epoxy coating, the amount of glycidyl amine type epoxy resin is 45-48.5%, the heterocyclic type glycidyl epoxy tree
The amount of fat is 43.5%-45%.
3. uvioresistant epoxy cold coating as claimed in claim 1, it is characterised in that by weight percentage, the anti-purple
In outer epoxy coating, the content of nano zine oxide is 1.5%-4.5%.
4. uvioresistant epoxy cold coating as claimed in claim 1, it is characterised in that the heterocyclic type glycidyl epoxy tree
Fat is tricyanic epoxy resin or glycolylurea epoxide resin.
5. uvioresistant epoxy cold coating as claimed in claim 1, it is characterised in that the particle diameter of the nano zine oxide is
10-30nm, the particle diameter of the wollastonite in powder and mica powder is 20-50nm.
6. uvioresistant epoxy cold coating as claimed in claim 1, it is characterised in that the diluent is expoxy propane butyl
One in ether, expoxy propane phenyl ether, benzyl glycidyl ether, tertiary carbonic acid glycidyl ether, 1,4- butanediol glycidol ethers
Kind is several.
7. uvioresistant epoxy cold coating as claimed in claim 1, it is characterised in that the coupling agent is that KH550 silane is even
Join agent, KH560 silane couplers, titanate coupling agent or aluminate coupling agent.
8. a kind of preparation method of uvioresistant epoxy cold coating, it is characterised in that comprise the following steps：
Formula according to any one of claim 1-7 uvioresistant epoxy cold coating weighs each component, then by epoxy resin,
Inorganic UV absorbent, light stabilizer, diluent and coupling agent mixing, stir 10-30min, to each under conditions of 45-65 DEG C
Component is uniform；Defoamer and levelling agent are subsequently added into, continues to stir 5-10min, then vacuum defoamation, produces of the present invention
Uvioresistant epoxy cold coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710943151.4A CN107603409A (en) | 2017-10-11 | 2017-10-11 | A kind of uvioresistant epoxy cold coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710943151.4A CN107603409A (en) | 2017-10-11 | 2017-10-11 | A kind of uvioresistant epoxy cold coating |
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| CN107603409A true CN107603409A (en) | 2018-01-19 |
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| CN201710943151.4A Pending CN107603409A (en) | 2017-10-11 | 2017-10-11 | A kind of uvioresistant epoxy cold coating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108610500A (en) * | 2018-04-28 | 2018-10-02 | 镇江华扬乳胶制品有限公司 | A kind of anti-ultraviolet radiation treatment method of rubber gloves |
| CN110591496A (en) * | 2019-08-23 | 2019-12-20 | 安徽锦华氧化锌有限公司 | Preparation method of modified nano-zinc oxide filled exterior wall coating |
| CN112759957A (en) * | 2020-12-25 | 2021-05-07 | 北京生泰宝科技有限公司 | Electrochromic coating capable of effectively blocking ultraviolet rays, electrochromic film and preparation method of electrochromic coating |
| CN116239929A (en) * | 2022-12-29 | 2023-06-09 | 安徽鑫友高分子新材料科技有限公司 | Ultraviolet aging resistant epoxy resin coating and processing method thereof |
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| CN102272226A (en) * | 2009-01-06 | 2011-12-07 | 陶氏环球技术有限责任公司 | Metallic compounds in non-brominated flame retardant epoxy resins |
| CN104927303A (en) * | 2015-06-04 | 2015-09-23 | 孙仁华 | Ultraviolet aging resisting fiber-reinforced polymer base composite |
| CN105331251A (en) * | 2015-12-01 | 2016-02-17 | 苏州圣杰特种树脂有限公司 | Anti-ultraviolet outdoor epoxy resin coating |
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| CN102272226A (en) * | 2009-01-06 | 2011-12-07 | 陶氏环球技术有限责任公司 | Metallic compounds in non-brominated flame retardant epoxy resins |
| CN104927303A (en) * | 2015-06-04 | 2015-09-23 | 孙仁华 | Ultraviolet aging resisting fiber-reinforced polymer base composite |
| CN105331251A (en) * | 2015-12-01 | 2016-02-17 | 苏州圣杰特种树脂有限公司 | Anti-ultraviolet outdoor epoxy resin coating |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108610500A (en) * | 2018-04-28 | 2018-10-02 | 镇江华扬乳胶制品有限公司 | A kind of anti-ultraviolet radiation treatment method of rubber gloves |
| CN110591496A (en) * | 2019-08-23 | 2019-12-20 | 安徽锦华氧化锌有限公司 | Preparation method of modified nano-zinc oxide filled exterior wall coating |
| CN112759957A (en) * | 2020-12-25 | 2021-05-07 | 北京生泰宝科技有限公司 | Electrochromic coating capable of effectively blocking ultraviolet rays, electrochromic film and preparation method of electrochromic coating |
| CN116239929A (en) * | 2022-12-29 | 2023-06-09 | 安徽鑫友高分子新材料科技有限公司 | Ultraviolet aging resistant epoxy resin coating and processing method thereof |
| CN116239929B (en) * | 2022-12-29 | 2024-05-07 | 安徽鑫友高分子新材料科技有限公司 | Ultraviolet aging resistant epoxy resin coating and processing method thereof |
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Application publication date: 20180119 |