CN103788827A - Anti-electrostatic UV (Ultraviolet)-curable coating material and preparation method thereof - Google Patents

Abstract

The invention relates to an anti-electrostatic UV (Ultraviolet)-curable coating material. The anti-electrostatic UV-curable coating material is prepared from the following raw materials in parts by weight: 2-3 parts of 2,4,6-trimethyl benzoyl-diphenyl phosphine oxide, 34-38 parts of bisphenol A epoxy acrylate, 10-13 parts of polyester acrylate, 5-8 parts of allyl heptanoate, 0.3-0.4 part of benzophenone, 4-6 parts of 2,2-bishydroxymethyl propionic acid, 6-9 parts of hexanediol diacrylate, 0.5-0.7 part of ethyl acetoacetate, 2-4 parts of green earth, 5-7 parts of 10-15% HCl, 6-9 parts of 95% ethanol, 2-3 parts of AEO-9 and 4-5 parts of auxiliaries. According to the UV coating material disclosed by the invention, due to the addition of green earth powder, the coating material has good electrostatic resistance, and the strength is improved; the coating material is high in hardness and has excellent water resistance, hot-water resistance, adhesion and toughness; due to the auxiliaries, the dispersity of the coating material is improved, the leveling property is good, and a coating layer is smooth and bright.

Description

A kind of antistatic UV photo-cured coating and preparation method thereof

Technical field

The invention belongs to paint field, relate in particular to a kind of antistatic UV photo-cured coating and preparation method thereof.

Background technology

Photo-cured coating advantage is set time short (part second is arrived several minutes), solidification value is low, volatile matter is low, is to economize the energy, resource-saving, nuisanceless, high-level efficiency; But also there are some shortcomings, as free radical type photo-cured coating solidification process is prevented by oxygen, surface cure is bad, also have the series of problems such as xanthochromia, explosive look, not low temperature resistant, cost is high, corrosion-resistant, all need to continue improvement for different purposes, reduce production costs, expand purposes.

Summary of the invention

The object of the present invention is to provide a kind of antistatic UV photo-cured coating and preparation method thereof, this coating has good antistatic property, and intensity is high; Also there is excellent water tolerance, hot water resistance, cohesiveness and toughness.

Technical scheme of the present invention is as follows:

A kind of antistatic UV photo-cured coating, it is characterized in that being made by the raw material of following weight part: 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 2-3, bisphenol A epoxy acrylate 34-38, polyester acrylate 10-13, allyl oenanthate 5-8, benzophenone 0.3-0.4,2,2-dimethylol propionic acid 4-6, hexanediyl ester 6-9, methyl aceto acetate 0.5-0.7, terre verte 2-4,10-15%HCl5-7,95% ethanol 6-9, AEO-9 2-3, auxiliary agent 4-5;

Described auxiliary agent is made up of the raw material of following weight part: pentaerythritol triacrylate 4-6, sodium phytate 5-7, carbon nanotube 0.3-0.5, SMA 1-2, Dodecyl Mercaptan 0.04-0.06, Sodium Persulfate 0.1-0.2, polyethylene wax 0.2-0.3, methyl acrylate 2-3, vinyl acetic monomer 6-9, oligose 3-5, isoamyl butyrate 6-8; Preparation method mixes sodium phytate, carbon nanotube, oligose, under 10000-14000 rev/min of stirring, add vinyl acetic monomer, isoamyl butyrate, stir 5-10 minute, add again pentaerythritol triacrylate, SMA, polyethylene wax, methyl acrylate, be heated to 60-80 ℃, at 3000-5000 rev/min of lower stirring reaction 10-20 minute, add other remaining components, continue stirring reaction 1-2 hour, to obtain final product.

The preparation method of described antistatic UV photo-cured coating, is characterized in that comprising the following steps:

(1) will in terre verte, add 10-15%HCl, 95% ethanol and AEO-9, stir 5-10 minute, be washed till neutrality with clear water, grind to form 200-300 order slurry, spraying is dry, obtains terre verte powder;

(2) by bisphenol A epoxy acrylate, polyester acrylate, allyl oenanthate, benzophenone, 2, the mixing of materials that 2-dimethylol propionic acid, hexanediyl ester, methyl aceto acetate and (1) step obtain, be warming up to 60-80 ℃, under 1200-1400 rev/min, stir 15-20 minute, cool to 35 ℃ and add again below other remaining components, continue to stir 10-20 minute, to obtain final product.

Beneficial effect of the present invention

UV coating of the present invention has added terre verte powder, makes coating have good antistatic property, and has improved intensity; This coating hardness is high, also has excellent water tolerance, hot water resistance, cohesiveness and toughness.Auxiliary agent of the present invention has increased the dispersiveness of coating, good leveling property, and coating is light smoothly.

Embodiment

A kind of antistatic UV photo-cured coating, by following weight part (kilogram) raw material make: 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 2.5, bisphenol A epoxy acrylate 36, polyester acrylate 12, allyl oenanthate 6, benzophenone 0.4,2,2-dimethylol propionic acid 5, hexanediyl ester 7, methyl aceto acetate 0.6, terre verte 3,10-15%HCl6,95% ethanol 8, AEO-9 2.5, auxiliary agent 4.5;

Described auxiliary agent by following weight part (kilogram) raw material make: pentaerythritol triacrylate 5, sodium phytate 6, carbon nanotube 0.4, SMA 1.5, Dodecyl Mercaptan 0.05, Sodium Persulfate 0.1, polyethylene wax 0.2, methyl acrylate 2.5, vinyl acetic monomer 7, oligose 4, isoamyl butyrate 7; Preparation method mixes sodium phytate, carbon nanotube, oligose, under 12000 revs/min of stirrings, add vinyl acetic monomer, isoamyl butyrate, stir 8 minutes, add again pentaerythritol triacrylate, SMA, polyethylene wax, methyl acrylate, be heated to 70 ℃, 4000 revs/min of lower stirring reactions 15 minutes, add other remaining components, continue stirring reaction 1.5 hours, to obtain final product.

The preparation method of described antistatic UV photo-cured coating, comprises the following steps:

(1) will in terre verte, add 10-15%HCl, 95% ethanol and AEO-9, stir 7 minutes, be washed till neutrality with clear water, grind to form 250 order slurries, spraying is dry, obtains terre verte powder;

(2) by bisphenol A epoxy acrylate, polyester acrylate, allyl oenanthate, benzophenone, 2, the mixing of materials that 2-dimethylol propionic acid, hexanediyl ester, methyl aceto acetate and (1) step obtain, be warming up to 70 ℃, under 1300 revs/min, stir 17 minutes, cool to 35 ℃ and add again other remaining components, continue to stir 16 minutes, to obtain final product.

This antistatic UV photo-cured coating adopts the mode of roller coating to be coated on plank.Sticking power>=secondary, resistance to 75% ethanol>=24 hour, resistance to 5%NaOH>=48 hour, resistance to 5%H ₂sO ₄>=48 hours, the cold cycling that tolerates subzero 40 degree and 40 degree did not ftracture for 10 times, resistance to 15% salt solution>=60 hour, and hardness is 3H, abrasion resistance index turns above 3000.

Claims (2)

1. an antistatic UV photo-cured coating, it is characterized in that being made by the raw material of following weight part: 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide 2-3, bisphenol A epoxy acrylate 34-38, polyester acrylate 10-13, allyl oenanthate 5-8, benzophenone 0.3-0.4,2,2-dimethylol propionic acid 4-6, hexanediyl ester 6-9, methyl aceto acetate 0.5-0.7, terre verte 2-4,10-15%HCl5-7,95% ethanol 6-9, AEO-9 2-3, auxiliary agent 4-5;

Described auxiliary agent is made up of the raw material of following weight part: pentaerythritol triacrylate 4-6, sodium phytate 5-7, carbon nanotube 0.3-0.5, SMA 1-2, Dodecyl Mercaptan 0.04-0.06, Sodium Persulfate 0.1-0.2, polyethylene wax 0.2-0.3, methyl acrylate 2-3, vinyl acetic monomer 6-9, oligose 3-5, isoamyl butyrate 6-8; Preparation method mixes sodium phytate, carbon nanotube, oligose, under 10000-14000 rev/min of stirring, add vinyl acetic monomer, isoamyl butyrate, stir 5-10 minute, add again pentaerythritol triacrylate, SMA, polyethylene wax, methyl acrylate, be heated to 60-80 ℃, at 3000-5000 rev/min of lower stirring reaction 10-20 minute, add other remaining components, continue stirring reaction 1-2 hour, to obtain final product.

2. the preparation method of antistatic UV photo-cured coating according to claim 1, is characterized in that comprising the following steps:

(1) will in terre verte, add 10-15%HCl, 95% ethanol and AEO-9, stir 5-10 minute, be washed till neutrality with clear water, grind to form 200-300 order slurry, spraying is dry, obtains terre verte powder;

(2) by bisphenol A epoxy acrylate, polyester acrylate, allyl oenanthate, benzophenone, 2, the mixing of materials that 2-dimethylol propionic acid, hexanediyl ester, methyl aceto acetate and (1) step obtain, be warming up to 60-80 ℃, under 1200-1400 rev/min, stir 15-20 minute, cool to 35 ℃ and add again below other remaining components, continue to stir 10-20 minute, to obtain final product.