CN103483995A - PE (polyethylene) light varnish and preparation method thereof - Google Patents
PE (polyethylene) light varnish and preparation method thereof Download PDFInfo
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Abstract
The invention is applicable to the technical field of paint, and provides PE (polyethylene) light varnish and a preparation method thereof. The PE light varnish provided by the invention comprises the following components in parts by weight: 50-90 parts of PE resin, 10-50 parts of synthetic fatty acid resin, 0.1-0.3 part of polymerization inhibitor, 0.2-0.8 part of leveling agent, 2-10 parts of solvent, 0.1-0.5 part of defoaming agent and 0.1-0.5 part of anti-greening agent. The preparation method of the PE light varnish comprises the following steps: weighing the components of the PE light varnish, and performing mixed treatment on the PE light varnish. The PE light varnish provided by the invention has very high fullness, high gloss performance and fine coating effect. The preparation method of the PE light varnish is simple and controllable, and preparation can be completed by simply using a common dispersion machine and a vat.
Description
Technical field
The invention belongs to technical field of coatings, relate in particular to a kind of PE light varnish and preparation method thereof.
Background technology
At the paint for the woodenware product now, many kinds are arranged, along with country is more and more stricter to the coating environmental requirement, the PE paint has also had significant progress, applies also more and more extensive.PE paint is unsaturated polyester varnish, and liquid composition can not have by product to discharge and can all change solid polymer under the effect of initiator, pollutes littlely, and film forming is harder than solvent-thinned paint, and it is suitable with the PU paint at the aspect such as wear-resisting, heat-resisting, corrosion-resistant; Be better than other coating at aspects such as hardness, fullness ratio, transparency, fillibilities.
Existing PE light varnish used on the market is due to the characteristic of resin, cause the coating surface weak effect, need polishing just can reach gratifying effect, and exist fullness ratio inadequate, plate face effect is good not, easily occur that pin hole causes the shortcomings such as rete is discontinuous, is restricted its application.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of PE light varnish, thereby is intended to solve the problem that pin hole and the not high enough poor effect that causes filming of glossiness thereof easily appear in the existing PE light varnish space of a whole page.
Another purpose of the embodiment of the present invention is to provide the preparation method that a kind of method is simply controlled, be suitable for the PE light varnish of industrialization production.
The embodiment of the present invention is achieved in that a kind of PE light varnish, comprises the recipe ingredient of following parts by weight:
And a kind of preparation method of PE light varnish, comprise the steps:
Formula by above-mentioned PE light varnish takes each component;
By PE resin, synthetic fat acid resin, stopper 200-500 rev/min low speed mixing 3-10 minute; Add flow agent, defoamer, anti-greening agent, 800-1200 rev/min of high-speed mixing 15-25 minute; Add solvent, 550-750 rev/min of middling speed mixed 3-10 minute again.
The PE light varnish that the embodiment of the present invention provides, added solid containing high, gloss and hardness is high, fullness ratio is good, snappiness is good, scratch resistance is good, compatibility is wide synthetic fat acid resin and PE jointly as filmogen, improved PE light varnish film effect, eliminated plate face pin-hole phenomena, increase product fullness ratio, improve the product glossiness, simultaneously, add the PE light varnish of synthetic fat acid resin can realize once can becoming thick film, reduced number of operations, improved japanning efficiency, the enamelling process that is particularly suitable for woodenware is used.The preparation method of PE light varnish provided by the invention, only the formula of PE light varnish need be carried out to ordered mixing configurable, method is simply controlled, and by the formula of ordered mixing PE light varnish, can realize the abundant mixing of PE light varnish, obtain PE light varnish yellowish, even, transparence and be.
The accompanying drawing explanation
Fig. 1 is the preparation method's of the PE light varnish that provides of the embodiment of the present invention process flow diagram
Embodiment
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides a kind of PE light varnish, comprises the recipe ingredient of following parts by weight:
As preferred embodiment, each composition weight umber of described PE light varnish is as follows:
Described PE resin is unsaturated polyester resin, as the main body composition of PE light varnish, has wear-resisting, heat-resisting, corrosion resistant characteristics, can resist multiple organic solvent, acid and alkali corrosion, is the main film forming substance of PE light varnish; In addition, use the main body composition of PE resin as PE light varnish, also make the light varnish hardness, fullness ratio, transparency, the filling properties that obtain be improved, therefore, the PE resin is the preferred main body composition of light varnish.As preferred embodiment, described PE resin be 2307S, 8731BA, JD3401, at least one.In specific embodiment, the content of above-mentioned PE resin can be the concrete parts by weight such as 55 parts, 55 parts, 60 parts, 65 parts, 70 parts, 75 parts, 80 parts, 85 parts, 90 parts.
Thereby cause PE light varnish coating surface weak effect, glossiness not and form the shortcoming that shrinkage cavity causes the protective of the discontinuity reduction paint film that film thickness is inadequate, the formation pin hole causes paint film for fear of the characteristic due to resin, in the embodiment of the present invention, in described PE light lacquer formulation, added the synthetic fat acid resin.The synthetic fat acid resin, as one of filmogen of PE light varnish, it is admittedly containing height, gloss and hardness is high, fullness ratio is good, snappiness is good, scratch resistance is good, compatibility is wide, can improve the PE light varnish effect of filming, eliminate plate face pin-hole phenomena, increase the fullness ratio of product, improve the product glossiness; Simultaneously, add the PE light varnish of synthetic fat acid resin can realize once can becoming thick film, reduced number of operations, improved japanning efficiency.As preferred embodiment, described synthetic fat acid resin is at least one in 2530X80, JD13-80A, HE8895.
In the embodiment of the present invention, the consumption of described synthetic fat acid resin has a significant impact the quality of PE light varnish, particularly its glossiness and pin-hole phenomena.When the consumption of the described synthetic fat acid resin added very little, not only the glossiness of PE light varnish reduces, and can't reach 100 degree, and the plate face also there will be obvious pin-hole phenomena; When the consumption of the described synthetic fat acid resin added is too much, although can improve the glossiness of PE light varnish and eliminate pin-hole phenomena, can cause the disadvantage that the plate top-coat paint film is felt like jelly, hardness is inadequate.Repeatedly study discovery through the contriver, in order effectively to address the above problem, when the consumption of described synthetic fat acid resin when accounting for the 9-50% of PE light lacquer formulation total mass, can effectively improve the effect of filming of product, eliminate plate face pin-hole phenomena, increase the fullness ratio of product, improve the product glossiness, improve the hardness of plate top-coat paint film simultaneously.As preferred embodiment, the consumption of described synthetic fat acid resin is to account for the 20-40% of PE light lacquer formulation total mass.As be less than 20% of formula ratio.In specific embodiment, the content of above-mentioned synthetic fat acid resin can be the concrete parts by weight such as 10 parts, 15 parts, 20 parts, 25 parts, 30 parts, 35 parts, 40 parts, 45 parts, 50 parts.
Above-mentioned solvent is one of important component in embodiment of the present invention PE light varnish, and the Main Function of described solvent is to dissolve the PE resin, makes the PE resin dissolve more fully in PE light varnish, and then improves the quality of PE light varnish.As preferred embodiment, described solvent be vinylbenzene, ethyl ester, toluene, at least one.As further preferred embodiment, described solvent is vinylbenzene.Because vinylbenzene is also a kind of unsaturated material, therefore, it is except can be as dissolution with solvents PE resin, can also be under certain condition-as under the participation initiator and promotor can with PE resin generation copolyreaction, the crosslinking curing film forming, thereby make the solid content of PE light lacquerware up to 100%, avoided causing it easily to cause the generation of the phenomenon of pin hole when volatilizing because a large amount of liquid solvents exist.In specific embodiment, the content of above-mentioned solvent can be the concrete parts by weight such as 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts.
After long-time placement, self-polymeric reaction occurs as PE resin, synthetic fat acid resin, vinylbenzene etc. in the unsaturated composition in described PE light varnish, thereby cause PE light varnish to lose efficacy, in the embodiment of the present invention, add stopper to guarantee the quality of PE light varnish, extended the shelf lives of product.As preferred embodiment, described stopper is Resorcinol.In specific embodiment, the content of above-mentioned stopper can be the concrete parts by weight such as 0.1 part, 0.15 part, 0.2 part, 0.25 part, 0.3 part.
Because PE light varnish needs to mix with blue water, plain boiled water before use, and above-mentioned heterogeneity color difference, thereby cause the mixing liquid obtained to present green to a certain degree, the greening phenomenon appears.In order to weaken, even avoid the generation of paint film greening, reduce the color interference that while using, PE light varnish brings, add anti-greening agent in the embodiment of the present invention.Adding of anti-greening agent, can obviously desalinate PE light varnish and Lan Shui, the mixed greening phenomenon of plain boiled water.As preferred embodiment, described anti-greening agent is at least one in C-600, ND, KC-163.In specific embodiment, the content of above-mentioned anti-greening agent can be the concrete parts by weight such as 0.1 part, 0.15 part, 0.2 part, 0.25 part, 0.3 part, 0.35 part, 0.4 part, 0.45 part, 0.5 part.
One of auxiliary agent that described flow agent is PE light varnish, it can promote the quick levelling of paint film when the product film forming, impel coating in the drying and forming-film process, form one smooth, smooth, film uniformly.As preferred embodiment, described flow agent is at least one in HX3200, BYK333, EFKA3600.In specific embodiment, the content of above-mentioned flow agent can be the concrete parts by weight such as 0.2 part, 0.3 part, 0.4 part, 0.5 part, 0.6 part, 0.7 part, 0.8 part.
Adding of described defoamer, can reduce embodiment of the present invention PE light varnish manufacture and use procedure in the bubble that produces, thereby the fish hole that the PE light varnish of avoiding causing thus occurs in use or pin hole etc.As preferred embodiment, described defoamer is at least one in EFKA2720, HX2300,5300.In specific embodiment, the content of above-mentioned defoamer can be the concrete parts by weight such as 0.1 part, 0.15 part, 0.2 part, 0.25 part, 0.3 part, 0.35 part, 0.4 part, 0.45 part, 0.5 part.
The PE light varnish that the embodiment of the present invention provides, added solid containing high, gloss and hardness is high, fullness ratio is good, snappiness is good, scratch resistance is good, compatibility is wide synthetic fat acid resin and PE jointly as filmogen, improved PE light varnish film effect, eliminated plate face pin-hole phenomena, increase product fullness ratio, improve the product glossiness, do not need to carry out polished finish; Simultaneously, add the PE light varnish of synthetic fat acid resin can realize once can becoming thick film, reduced number of operations, improved japanning efficiency, the enamelling process that is particularly suitable for woodenware is used.But and this PE light varnish large-area construction, can adopt the multiple forms of construction work such as spraying, showering, be good environmentally friendly coating.
The preparation method of the described PE light of embodiment of the present invention varnish can be prepared by following method, and certainly, the method that also can prepare described PE light varnish by other is prepared.
Correspondingly, the embodiment of the present invention also provides a kind of preparation method of PE light varnish, comprise the steps, as shown in Figure 1:
S01. take PE light varnish component: by above-mentioned PE light lacquer formulation, take each component;
S02.PE light varnish combination treatment: by PE resin, synthetic fat acid resin, stopper 200-500 rev/min low speed mixing 3-10 minute; Add flow agent, defoamer, anti-greening agent, 800-1200 rev/min of high-speed mixing 15-25 minute; Add solvent, 550-750 rev/min of middling speed mixed 3-10 minute again.
Particularly, in above-mentioned steps S01, each component preferred content in the formula of PE light varnish and formula and kind as described above, in order to save length, do not repeat them here.
In above-mentioned steps S02, for the PE light varnish that obtains fully mixing, in the embodiment of the present invention, add in batch each component in above-mentioned PE light lacquer formulation.Concrete, PE resin, synthetic fat acid resin, stopper are mixed to 200-500 rev/min of low speed mixing 3-10 minute; Add flow agent, defoamer, anti-greening agent, 800-1200 rev/min of high-speed mixing 15-25 minute; Add solvent, 550-750 rev/min of middling speed mixed 3-10 minute again; Combination treatment.Wherein hybrid mode is unrestricted, and the various modes that realize that above-mentioned recipe ingredient mixes all can realize aforesaid operations, and as preferred embodiment, in order to realize mixing and fully disperse, above-mentioned blending means adopts the mode that is uniformly mixed.
The preparation method of the PE light varnish that the embodiment of the present invention provides, the preparation method of the plentiful high gloss PE of height of the present invention light varnish and conventional PE coating are basic identical, only the formula of PE light varnish need be carried out to ordered mixing configurable, method is simply controlled, and by the formula of ordered mixing PE light varnish, can realize the abundant mixing of PE light varnish, the PE light varnish obtained is yellowish, even, transparence material.
Formula and the preparation method of concrete PE light varnish of now take is example, and the embodiment of the present invention is further elaborated.In following each embodiment, in an embodiment, described PE resin can be selected the 2307S of Changxing chemistry; The optional product that first reaches company with DSM of described synthetic fat acid resin, as: 2530X80; Described solvent is the product that vinylbenzene can be selected Guangzhou Hao Xu company limited; The product that said flow agent can select China company to provide, as: HX3200; Described defoamer can be selected the product of EFKA company, as: EFKA2720; Selected stopper is PE coating hydroquinone of polymerization retarder commonly used; Described anti-greening agent can be selected the product of the grand company in Shenzhen, as: C-600.
Embodiment 1
A kind of PE light varnish, the formula constituent that it comprises and the content of the corresponding component embodiment 1 in 1 that sees the following form.
The preparation method of PE light varnish:
(1) take each component by 1 formula of embodiment in table 1;
(2) PE resin, synthetic fat acid resin, stopper are mixed to 400 rev/mins of low speed mixing 5 minutes; Add flow agent, defoamer, anti-greening agent, 1000 rev/mins of high-speed mixing 20 minutes; Add solvent, 700 rev/mins of middling speeds are mixed 5 minutes again; Combination treatment.
Embodiment 2
A kind of PE light varnish, the formula constituent that it comprises and the content of the corresponding component embodiment 2 in 1 that sees the following form.
The preparation method of PE light varnish:
(1) take each component by 2 formulas of embodiment in table 1;
(2) PE resin, synthetic fat acid resin, stopper are mixed to 300 rev/mins of low speed mixing 8 minutes; Add flow agent, defoamer, anti-greening agent, 1200 rev/mins of high-speed mixing 15 minutes; Add solvent, 600 rev/mins of middling speeds are mixed 3 minutes again; Combination treatment.
Embodiment 3
A kind of PE light varnish, the formula constituent that it comprises and the content of the corresponding component embodiment 3 in 1 that sees the following form.
The preparation method of PE light varnish:
(1) take each component by 3 formulas of embodiment in table 1;
(2) PE resin, synthetic fat acid resin, stopper are mixed to 500 rev/mins of low speed mixing 4 minutes; Add flow agent, defoamer, anti-greening agent, 850 rev/mins of high-speed mixing 25 minutes; Add solvent, 750 rev/mins of middling speeds are mixed 6 minutes again; Combination treatment.
Embodiment 4
A kind of PE light varnish, the formula constituent that it comprises and the content of the corresponding component embodiment 4 in 1 that sees the following form.
The preparation method of PE light varnish:
(1) take each component by 4 formulas of embodiment in table 1;
(2) PE resin, synthetic fat acid resin, stopper are mixed to 200 rev/mins of low speed mixing 8 minutes; Add flow agent, defoamer, anti-greening agent, 1100 rev/mins of high-speed mixing 18 minutes; Add solvent, 550 rev/mins of middling speeds are mixed 10 minutes again; Combination treatment.
Comparison example
A kind of PE light varnish, the formula constituent that it comprises and the content of the corresponding component comparison example in 1 that sees the following form.
The preparation method of PE light varnish:
(1) take each component by comparison example formula in table 1;
(2) each composition is carried out to combination treatment.
Performance test:
PE light varnish prepared by PE light varnish prepared by above-described embodiment 1-4 and comparison example and comparison example, be product in mass ratio: solidifying agent: solvent: Lan Shui: plain boiled water=100:50:30:1.0:1.2 adds PE promotor (Lan Shui) and PE initiator (plain boiled water) and solidifying agent L-75, wherein, PE promotor refers to cobalt naphthenate, the PE initiator refers to methylethyl ketone peroxide, and L-75 refers to the L-75 solidifying agent of Beyer Co., Ltd.By product spraying or showering on woodenware, thick painting 6 rifles of comparison example, embodiment 1-4 spraying one time, treat product drying overnight.
The correlated performance testing method is as follows:
(1) glossiness: by the glossiness instrument, test the product glossiness;
(2) pin-hole phenomena: range estimation.
Measure performance.Measure structure and see following table 2.
Table 1
Table 2
Known by test data in table 2, the coating gloss of the PE light varnish that the embodiment of the present invention provides is good, has reached 100 degree, and coating free of pinholes phenomenon.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a PE light varnish, is characterized in that, comprises the recipe ingredient of following parts by weight:
2. PE light varnish as claimed in claim 1 is characterized in that:
3. PE light varnish as claimed in claim 1, is characterized in that, described synthetic fat acid resin is at least one in 2530X80, HE8895, JD13-80A.
4. described PE light varnish as arbitrary as claim 1-3, is characterized in that, described PE resin is at least one in 2307S, 8731BA, JD3401.
5. described PE light varnish as arbitrary as claim 1-3, is characterized in that, described flow agent is at least one in HX3200, BYK333, EFKA3600.
6. described PE light varnish as arbitrary as claim 1-3, is characterized in that, described solvent is at least one in vinylbenzene, ethyl ester, toluene.
7. described PE light varnish as arbitrary as claim 1-3, is characterized in that, described defoamer is at least one in EFKA2720, HX2300,5300.
8. described PE light varnish as arbitrary as claim 1-3, is characterized in that, described stopper is Resorcinol.
9. described PE light varnish as arbitrary as claim 1-3, is characterized in that, described anti-greening agent is at least one in C-600, ND, KC-163.
10. the preparation method of a PE light varnish, is characterized in that, comprises the following steps:
Formula by the described PE light of the claims 1-9 varnish takes each component;
By PE resin, synthetic fat acid resin, stopper 200-500 rev/min low speed mixing 3-10 minute; Add flow agent, defoamer, anti-greening agent, 800-1200 rev/min of high-speed mixing 15-25 minute; Add solvent, 550-750 rev/min of middling speed mixed 3-10 minute again.
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| CN104927601A (en) * | 2015-06-09 | 2015-09-23 | 成都纳硕科技有限公司 | High-strength bacterium-resisting furniture lacquer |
| CN105062335A (en) * | 2015-07-23 | 2015-11-18 | 安吉祺隆新型建材有限公司 | Method for preparing functional environmentally-friendly paint |
| CN105838205A (en) * | 2015-12-16 | 2016-08-10 | 中山市泰莱涂料化工有限公司 | High-solid content low-VOC high-gloss PE paint |
| CN105949971A (en) * | 2016-06-21 | 2016-09-21 | 上海长润发涂料有限公司 | Anti-greening unsaturated polyester varnish |
| CN106243935A (en) * | 2016-08-29 | 2016-12-21 | 广东花王涂料有限公司 | A kind of preparation technology primed in double-component |
| CN106318146A (en) * | 2016-08-29 | 2017-01-11 | 广东花王涂料有限公司 | Two-component middle coating primer |
| CN106800868A (en) * | 2017-01-19 | 2017-06-06 | 成都优品化工有限公司 | One kind exempts from polishing unsaturated polyester (UP) transparent priming and preparation method thereof |
| CN112500750A (en) * | 2020-09-27 | 2021-03-16 | 广东美涂士建材股份有限公司 | High-matte three-dimensional pearlescent effect artistic paint |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104927601A (en) * | 2015-06-09 | 2015-09-23 | 成都纳硕科技有限公司 | High-strength bacterium-resisting furniture lacquer |
| CN105062335A (en) * | 2015-07-23 | 2015-11-18 | 安吉祺隆新型建材有限公司 | Method for preparing functional environmentally-friendly paint |
| CN105062335B (en) * | 2015-07-23 | 2017-10-27 | 安吉祺隆新型建材有限公司 | A kind of preparation method of functional environment-friendly coating |
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| CN106243935A (en) * | 2016-08-29 | 2016-12-21 | 广东花王涂料有限公司 | A kind of preparation technology primed in double-component |
| CN106318146A (en) * | 2016-08-29 | 2017-01-11 | 广东花王涂料有限公司 | Two-component middle coating primer |
| CN106800868A (en) * | 2017-01-19 | 2017-06-06 | 成都优品化工有限公司 | One kind exempts from polishing unsaturated polyester (UP) transparent priming and preparation method thereof |
| CN112500750A (en) * | 2020-09-27 | 2021-03-16 | 广东美涂士建材股份有限公司 | High-matte three-dimensional pearlescent effect artistic paint |
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