CN103483995B - A kind of PE gloss varnish and preparation method thereof - Google Patents

Abstract

The present invention is applicable to technical field of coatings, provides a kind of PE gloss varnish and preparation method thereof.PE gloss varnish provided by the invention, comprises the component of following parts by weight: PE resin 50-90 part; Synthetic fat acid resin 10-50 part; Stopper 0.1-0.3 part; Flow agent 0.2-0.8 part; Solvent 2-10 part; Defoamer 0.1-0.5 part; Anti-greening agent 0.1-0.5 part.The preparation method of PE gloss varnish comprises the step taking PE gloss varnish component and PE gloss varnish combination treatment.PE gloss varnish provided by the invention, has fabulous high fullness ratio, high glossiness performance, has fine film effect.The preparation method of PE gloss varnish provided by the invention, method is simply controlled, only need use common dispersion machine and cylinder, can complete preparation.

Description

A kind of PE gloss varnish and preparation method thereof

Technical field

The invention belongs to technical field of coatings, particularly relate to a kind of PE gloss varnish and preparation method thereof.

Background technology

Have many kinds at the paint now for woodenware product, along with country is more and more stricter to coating environmental requirement, PE paint there has also been significant progress, applies also more and more extensive.PE paint is unsaturated polyester varnish, and liquid composition under the effect of initiator, can not have by product to discharge and all can change solid polymer into, and pollute little, film forming is harder than solvent-thinned paint, and it paints quite with PU in wear-resisting, heat-resisting, corrosion-resistant etc.; Other coating is better than in hardness, fullness ratio, transparency, fillibility etc.

Existing PE gloss varnish used is on the market due to the characteristic of resin, cause coating surface weak effect, need polishing just can reach gratifying effect, and it is inadequate to there is fullness ratio, plate face effect is good not, easily occur the shortcomings such as pin hole causes rete discontinuous, makes it apply and is restricted.

Summary of the invention

The object of the embodiment of the present invention is to provide a kind of PE gloss varnish, is intended to solve the existing PE gloss varnish space of a whole page and easily occurs pin hole and the not high enough thus problem causing film effect not good of glossiness thereof.

Another object 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 gloss varnish that industrialization is produced.

The embodiment of the present invention is achieved in that a kind of PE gloss varnish, comprises the recipe ingredient of following parts by weight:

And a kind of preparation method of PE gloss varnish, comprises the steps:

Each component is taken by the formula of above-mentioned PE gloss varnish;

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 again, 550-750 rev/min of middling speed mixing 3-10 minute.

The PE gloss varnish that the embodiment of the present invention provides, add 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, improve PE gloss varnish film effect, eliminate plate face pin-hole phenomena, increase product fullness ratio, improve product glossiness, simultaneously, the PE gloss varnish adding synthetic fat acid resin can realize once can becoming thick film, decrease number of operations, improve japanning efficiency, the enamelling process being particularly suitable for woodenware uses.The preparation method of PE gloss varnish provided by the invention, only the formula of PE gloss varnish need be carried out ordered mixing and configurable, method is simply controlled, and pass through the formula of ordered mixing PE gloss varnish, can realize the abundant mixing of PE gloss varnish, obtaining PE gloss varnish that is yellowish, even, transparence is.

Accompanying drawing explanation

Fig. 1 is the process flow diagram of the preparation method of the PE gloss varnish that the embodiment of the present invention provides

Embodiment

In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearly understand, 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, be not intended to limit the present invention.

Embodiments provide a kind of PE gloss varnish, comprise the recipe ingredient of following parts by weight:

As preferred embodiment, each composition weight number of described PE gloss varnish is as follows:

Described PE resin is unsaturated polyester resin, and as the bulk composition of PE gloss varnish, having wear-resisting, heat-resisting, corrosion resistant feature, can resist multiple organic solvent, acid and alkali corrosion, is the main film forming substance of PE gloss varnish; In addition, use PE resin as the bulk composition of PE gloss varnish, the gloss varnish hardness also making to obtain, fullness ratio, transparency, filling properties are improved, and therefore, PE resin is the preferred bulk composition of gloss varnish.As preferred embodiment, described PE resin be 2307S, 8731BA, JD3401, at least one.In a particular 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.

The discontinuity thus the shortcoming of the protective of reduction paint film that film thickness is inadequate, formation pin hole causes paint film is caused in order to avoid causing due to the characteristic of resin PE gloss varnish coating surface weak effect, glossiness not and forming shrinkage cavity, in the embodiment of the present invention, in described PE gloss varnish formula, with the addition of synthetic fat acid resin.Synthetic fat acid resin, as one of the filmogen of PE gloss 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, PE gloss varnish film effect can be improved, eliminate plate face pin-hole phenomena, increase the fullness ratio of product, improve product glossiness; Meanwhile, the PE gloss varnish adding synthetic fat acid resin can realize once can becoming thick film, decreases number of operations, improves 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 gloss varnish, particularly its glossiness and pin-hole phenomena.When the described synthetic fat acid resin added consumption very little, not only PE gloss varnish glossiness reduce, 100 degree cannot be reached, and 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 the glossiness of PE gloss varnish can be improved and eliminate pin-hole phenomena, the disadvantage that plate top-coat paint film is felt like jelly, hardness is inadequate can be caused.Repeatedly discovery is studied through contriver, in order to effectively solve the problem, when described synthetic fat acid resin consumption with account for PE gloss varnish formula total mass 9-50% time, effectively can improve the film effect of product, eliminate plate face pin-hole phenomena, increase the fullness ratio of product, improve 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 gloss varnish formula total mass.As being less than 20% of formula ratio.In a particular 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 gloss varnish, and the Main Function of described solvent dissolves PE resin, makes PE resin dissolve more abundant in PE gloss varnish, and then improve the quality of PE gloss 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 as except dissolution with solvents PE resin, can also under certain condition-as in the presence of initiator and promotor can with PE resin generation copolyreaction, crosslinking curing film forming, thus make the solid content of PE light lacquerware up to 100%, avoid because a large amount of liquid solvent exists the generation causing it easily to cause the phenomenon of pin hole when volatilizing.In a particular 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 placing for a long time, there is self-polymeric reaction in the unsaturated composition in described PE gloss varnish such as PE resin, synthetic fat acid resin, vinylbenzene etc., thus cause PE gloss varnish to lose efficacy, add stopper in the embodiment of the present invention to ensure the quality of PE gloss varnish, extend the shelf lives of product.As preferred embodiment, described stopper is Resorcinol.In a particular 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 gloss varnish needs to mix with blue water, plain boiled water before use, and above-mentioned heterogeneity color is different, thus causes the mixing liquid obtained to present green to a certain degree, namely occurs greening phenomenon.The generation in order to weaken, even avoiding paint film to afforest, reduces the color interference that when using, PE gloss varnish brings, adds anti-greening agent in the embodiment of the present invention.Adding of anti-greening agent, obviously can desalinate PE gloss 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 a particular 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.

Described flow agent is one of auxiliary agent of PE gloss varnish, and it can promote the quick levelling of paint film when product film forming, impels coating in drying and forming-film process, form smooth, smooth, a uniform film.As preferred embodiment, described flow agent is at least one in HX3200, BYK333, EFKA3600.In a particular 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, embodiment of the present invention PE gloss varnish can be reduced at the bubble manufactured and produce in use procedure, thus the fish hole avoiding the PE gloss varnish caused thus to occur in use or pin hole etc.As preferred embodiment, described defoamer is at least one in EFKA2720, HX2300,5300.In a particular 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 gloss varnish that the embodiment of the present invention provides, add 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, improve PE gloss varnish film effect, eliminate plate face pin-hole phenomena, increase product fullness ratio, improve product glossiness, do not need to carry out polished finish; Meanwhile, the PE gloss varnish adding synthetic fat acid resin can realize once can becoming thick film, decreases number of operations, improves japanning efficiency, and the enamelling process being particularly suitable for woodenware uses.And this PE gloss varnish can large-area construction, can adopt the multiple forms of construction work such as spraying, showering, be good Environmentally friendly coatings.

Described in the embodiment of the present invention, the preparation method of PE gloss varnish is prepared by following method, and certainly, the method also can preparing described PE gloss varnish by other is prepared.

Correspondingly, the embodiment of the present invention additionally provides a kind of preparation method of PE gloss varnish, comprises the steps, as shown in Figure 1:

S01. PE gloss varnish component is taken: take each component by above-mentioned PE gloss varnish formula;

S02.PE gloss 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 again, 550-750 rev/min of middling speed mixing 3-10 minute.

Particularly, in above-mentioned steps S01, each component preferred content in the formula of PE gloss varnish and formula and kind as described above, in order to save length, do not repeat them here.

In above-mentioned steps S02, in order to the PE gloss varnish fully mixed, in the embodiment of the present invention, add each component in above-mentioned PE gloss varnish formula in batch.Concrete, by PE resin, synthetic fat acid resin, stopper mixing, 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 again, 550-750 rev/min of middling speed mixing 3-10 minute; Combination treatment.Wherein hybrid mode is unrestricted, and the various mode realizing the mixing of above-mentioned recipe ingredient all can realize aforesaid operations, and as preferred embodiment, in order to realize mixing and fully disperse, above-mentioned blending means adopts and is uniformly mixed mode.

The preparation method of the PE gloss varnish that the embodiment of the present invention provides, the preparation method of height of the present invention plentiful high gloss PE gloss varnish is substantially identical with conventional PE coating, only the formula of PE gloss varnish need be carried out ordered mixing and configurable, method is simply controlled, and pass through the formula of ordered mixing PE gloss varnish, can realize the abundant mixing of PE gloss varnish, the PE gloss varnish obtained is yellowish, even, transparence material.

Now for the formula of concrete PE gloss varnish and preparation method, the embodiment of the present invention is further elaborated.In following each embodiment, in an embodiment, described PE resin can select the 2307S of Changxing chemistry; The product of described synthetic fat acid resin optional DSM Xian Da company, as: 2530X80; Described solvent is the product that vinylbenzene can select Guangzhou Hao Xu company limited; The product that said flow agent can select company of China to provide, as: HX3200; Described defoamer can select the product of EFKA company, as: EFKA2720; Selected stopper is conventional PE coating hydroquinone of polymerization retarder; Described anti-greening agent can select the product of the grand company in Shenzhen, as: C-600.

Embodiment 1

A kind of PE gloss varnish, the content of it formula constituent comprised and corresponding component sees the following form embodiment 1 in 1.

The preparation method of PE gloss varnish:

(1) each component is taken by embodiment in table 11 formula;

(2) by PE resin, synthetic fat acid resin, stopper mixing, 400 revs/min of low speed mixing 5 minutes; Add flow agent, defoamer, anti-greening agent, 1000 revs/min of high-speed mixing 20 minutes; Add solvent again, 700 revs/min of middling speeds mix 5 minutes; Combination treatment.

Embodiment 2

A kind of PE gloss varnish, the content of it formula constituent comprised and corresponding component sees the following form embodiment 2 in 1.

The preparation method of PE gloss varnish:

(1) each component is taken by embodiment in table 12 formula;

(2) by PE resin, synthetic fat acid resin, stopper mixing, 300 revs/min of low speed mixing 8 minutes; Add flow agent, defoamer, anti-greening agent, 1200 revs/min of high-speed mixing 15 minutes; Add solvent again, 600 revs/min of middling speeds mix 3 minutes; Combination treatment.

Embodiment 3

A kind of PE gloss varnish, the content of it formula constituent comprised and corresponding component sees the following form embodiment 3 in 1.

The preparation method of PE gloss varnish:

(1) each component is taken by embodiment in table 13 formula;

(2) by PE resin, synthetic fat acid resin, stopper mixing, 500 revs/min of low speed mixing 4 minutes; Add flow agent, defoamer, anti-greening agent, 850 revs/min of high-speed mixing 25 minutes; Add solvent again, 750 revs/min of middling speeds mix 6 minutes; Combination treatment.

Embodiment 4

A kind of PE gloss varnish, the content of it formula constituent comprised and corresponding component sees the following form embodiment 4 in 1.

The preparation method of PE gloss varnish:

(1) each component is taken by embodiment in table 14 formula;

(2) by PE resin, synthetic fat acid resin, stopper mixing, 200 revs/min of low speed mixing 8 minutes; Add flow agent, defoamer, anti-greening agent, 1100 revs/min of high-speed mixing 18 minutes; Add solvent again, 550 revs/min of middling speeds mix 10 minutes; Combination treatment.

Comparison example

A kind of PE gloss varnish, the content of it formula constituent comprised and corresponding component sees the following form comparison example in 1.

The preparation method of PE gloss varnish:

(1) each component is taken by comparison example formula in table 1;

(2) each composition is carried out combination treatment.

Performance test:

PE gloss varnish prepared by PE gloss varnish above-described embodiment 1-4 and comparison example prepared and comparison example, in mass ratio for product: 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, 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, comparison example thick painting 6 rifle, embodiment 1-4 sprays one time, treats product drying overnight.

Correlated performance testing method is as follows:

(1) glossiness: by glossiness instrument test to product glossiness;

(2) pin-hole phenomena: range estimation.

Measure performance.Measure structure and see following table 2.

Table 1

Table 2

From test data in table 2, the coating gloss of the PE gloss varnish that the embodiment of the present invention provides is good, reaches 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 amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (5)

1. a PE gloss varnish, is characterized in that, is made up of the recipe ingredient of following parts by weight:

Wherein, described PE resin is unsaturated polyester resin, and described stopper is Resorcinol.

2. PE gloss varnish as claimed in claim 1, is characterized in that, be made up of the recipe ingredient of following parts by weight:

3. PE gloss varnish as claimed in claim 1, it is characterized in that, described solvent is at least one in vinylbenzene, toluene.

4. the PE gloss varnish as described in as arbitrary in claim 1-3, it is characterized in that, described defoamer is at least one in EFKA2720, HX2300,5300.

5. a preparation method for PE gloss varnish, is characterized in that, comprises the following steps:

Each component is taken by the formula of the arbitrary described PE gloss varnish of the claims 1-4;

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 again, 550-750 rev/min of middling speed mixing 3-10 minute.