CN103525260A - Environment-friendly ultraviolet curing primer and preparation method thereof - Google Patents

Abstract

Environment-friendly ultraviolet curing primer comprises the components in parts by weight as follows: 45-50 parts of epoxy acrylate, 2-3 parts of ethoxyl methyl acrylic ester phosphate, 10-12 parts of tripropylene glycol diacrylate, 1-2 parts of trifluoroacetyl acetone europium, 1-3 parts of tetrahydrofuran, 3-5 parts of 3-propargyl chloride, 1-2 parts of benzyl trimethyl ammonium tribromide, 3-4 parts of 1-hydroxyl-cyclohexyl-phenyl ketone (184), 1-2 parts of glycol diglycidyl ether, 3-4 parts of isocyanuric acid trimethyl ester and 3-4 parts of a dispersing agent. The paint has excellent water resistance, hot water resistance, drug resistance, cohesiveness and toughness, active reaction monomers substitute for an organic solvent, a few organic matters are volatilized, and the paint is safe and environment-friendly; and the paint is good in atomization effect, device wrapping effect, adherence and rubbing property, can serve as the primer suitably and is not corroded for a long time.

Description

A kind of environmental protection ultraviolet cured primer and preparation method thereof

Technical field

The invention belongs to paint field, relate in particular to a kind of environmental protection ultraviolet cured primer and preparation method thereof.

Background technology

Development along with market economy, there is great variety in paint field, wherein UV coating has the advantages such as curing speed is fast, energy-conservation, ambient cure, superior performance, environmental protection, on it, ray velocity is fast, rete luminance brightness is high, and dry rear face is firm heat-resisting, and refractive power is effective, make ground produce strong main body sense, be widely used in the fields such as chemical industry, machinery, electronics light industry, communication.Due to its environment-friendly advantage, UV solidifies and to have obtained the strong support of relevant environment rules and the close attention of industry member, and UV radiation curing material is in market requirement rapid growth, and UV Radiation-curing system is just with multiple technologies combination, to overcome some defect, meet actual application.Now in printing industry; the packing that can make UV obtains some special effects: high glossiness, good ink protection feature, the slipping that can add control and rub resistance, low smell or do not have smell, low extract maybe cannot detect extract, and the provide protection to ink.

Current UV solidify material is various, but still in various degree exist some problems, such as: Organic pollutants, xanthochromia, explosive look, not low temperature resistant, the series of problems such as 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 environmental protection ultraviolet cured primer and preparation method thereof, this coating has environmental protection, and organism volatilization is few, the feature that cohesiveness is good.

Technical scheme of the present invention is as follows:

A ultraviolet cured primer, is characterized in that being made by the raw material of following weight part: epoxy acrylate 45-50, hydroxyethyl meth acrylate phosphoric acid ester 2-3, tri (propylene glycol) diacrylate 10-12, trifluoroacetylacetone europium 1-2, tetrahydrofuran (THF) 1-3,3-chloroallylene 3-5, benzyl trimethyl tribromide ammonium 1-2,1-hydroxyl-cyclohexyl-phenyl ketone (184) 3-4, ethylene glycol bis glycidyl ether 1-2, triglycidyl isocyanurate 3-4, dispersing auxiliary 3-4;

Described dispersing auxiliary is made by the raw material of following weight part: bamboo charcoal powder 4-5, jade powder 2-3, Flos Rosae Rugosae quintessence oil 1-2, xitix 1-2, pentaerythritol triacrylate 4-5, alcohol ester 12 3-4, Silane coupling agent KH550 1-2, ethyl acetate 14-18; Preparation method puts into 10-15% hydrochloric acid soln by bamboo charcoal powder, jade powder to steep 3-4 hour, takes out, with deionized water wash repeatedly, dry, be added in ethyl acetate, grind to obtain 20-40 μ m slurry, in slurry, add other remaining component, be heated to 50-55 ℃, stir 40-50 minute; Continue to be warming up to 70-75 ℃, stirring reaction 1-2 hour, obtains.

The preparation method of described environmental protection ultraviolet cured primer, it is characterized in that comprising the following steps: by hydroxyethyl meth acrylate phosphoric acid ester, tri (propylene glycol) diacrylate, trifluoroacetylacetone europium, tetrahydrofuran (THF), 3-chloroallylene, benzyl trimethyl tribromide ammonium, ethylene glycol bis glycidyl ether, mixing and stirring, be warming up to 50-60 ℃, add epoxy acrylate, under 600-700 rev/min, stir 15-20 minute, cool to 35 ℃ and add again below 1-hydroxyl-cyclohexyl-phenyl ketone (184), continue to stir 10-15 minute, obtain.

Beneficial effect of the present invention

Coating of the present invention has good water tolerance, hot water resistance, resistance physical property, cohesiveness, toughness, and replaces organic solvent with active reaction monomer, and organism volatilization is few, safety and environmental protection; Coating of the present invention, atomizing effect is good, and good to the parcel of device, adherence is good, and grinability is good, is suitable as priming paint and uses, and does not corrode for a long time.

Embodiment

A ultraviolet cured primer, is made by the raw material of following weight part: epoxy acrylate 47, hydroxyethyl meth acrylate phosphoric acid ester 2, tri (propylene glycol) diacrylate 11, trifluoroacetylacetone europium 1.4, tetrahydrofuran (THF) 2,3-chloroallylene 4, benzyl trimethyl tribromide ammonium 1.5,1-hydroxyl-cyclohexyl-phenyl ketone (184) 3.4, ethylene glycol bis glycidyl ether 1.6, triglycidyl isocyanurate 3, dispersing auxiliary 3.5;

Described dispersing auxiliary by following weight part (kilogram) raw material make: bamboo charcoal powder 4, jade powder 2, Flos Rosae Rugosae quintessence oil 2, xitix 1.5, pentaerythritol triacrylate 4.6, alcohol ester 12, Silane coupling agent KH550 1.4, ethyl acetate 16; Preparation method puts into 14% hydrochloric acid soln by bamboo charcoal powder, jade powder to steep 3 hours, takes out, and uses deionized water wash 5 times, dry, be added in ethyl acetate, grind to obtain 25 μ m slurries, in slurry, add other remaining component, be heated to 53 ℃, stir 44 minutes; Continue to be warming up to 72 ℃, stirring reaction 2 hours, obtains.

The preparation method of described environmental protection ultraviolet cured primer, comprise the following steps: by hydroxyethyl meth acrylate phosphoric acid ester, tri (propylene glycol) diacrylate, trifluoroacetylacetone europium, tetrahydrofuran (THF), 3-chloroallylene, benzyl trimethyl tribromide ammonium, ethylene glycol bis glycidyl ether, mixing and stirring, be warming up to 50 ℃, add epoxy acrylate, under 600 revs/min, stir 18 minutes, cool to 35 ℃ and add again below 1-hydroxyl-cyclohexyl-phenyl ketone (184), continue to stir 14 minutes, obtain.

The wear-resisting base paint of this UV photocuring can adopt the form of construction work of roller coating, showering, spraying to construct.The paint spraying making by above scheme sticking power on plank is all better than secondary, resistance to 75% ethanol is more than 24 hours, alkaline-resisting 24 hours above, acidproof more than 48 hours, the cold cycling that tolerates subzero 40 degree and 40 degree does not ftracture for 10 times, resistance to 15% salt solution is more than 60 hours, hardness can regulate between 3H at 2HB, and abrasion resistance index turns above 4000.

Claims (2)

1. an environmental protection ultraviolet cured primer, is characterized in that being made by the raw material of following weight part: epoxy acrylate 45-50, hydroxyethyl meth acrylate phosphoric acid ester 2-3, tri (propylene glycol) diacrylate 10-12, trifluoroacetylacetone europium 1-2, tetrahydrofuran (THF) 1-3,3-chloroallylene 3-5, benzyl trimethyl tribromide ammonium 1-2,1-hydroxyl-cyclohexyl-phenyl ketone (184) 3-4, ethylene glycol bis glycidyl ether 1-2, triglycidyl isocyanurate 3-4, dispersing auxiliary 3-4;

Described dispersing auxiliary is made by the raw material of following weight part: bamboo charcoal powder 4-5, jade powder 2-3, Flos Rosae Rugosae quintessence oil 1-2, xitix 1-2, pentaerythritol triacrylate 4-5, alcohol ester 12 3-4, Silane coupling agent KH550 1-2, ethyl acetate 14-18; Preparation method puts into 10-15% hydrochloric acid soln by bamboo charcoal powder, jade powder to steep 3-4 hour, takes out, with deionized water wash repeatedly, dry, be added in ethyl acetate, grind to obtain 20-40 μ m slurry, in slurry, add other remaining component, be heated to 50-55 ℃, stir 40-50 minute; Continue to be warming up to 70-75 ℃, stirring reaction 1-2 hour, obtains.

2. the preparation method of environmental protection ultraviolet cured primer according to claim 1, it is characterized in that comprising the following steps: by hydroxyethyl meth acrylate phosphoric acid ester, tri (propylene glycol) diacrylate, trifluoroacetylacetone europium, tetrahydrofuran (THF), 3-chloroallylene, benzyl trimethyl tribromide ammonium, ethylene glycol bis glycidyl ether, mixing and stirring, be warming up to 50-60 ℃, add epoxy acrylate, under 600-700 rev/min, stir 15-20 minute, cool to 35 ℃ and add again below 1-hydroxyl-cyclohexyl-phenyl ketone (184), continue to stir 10-15 minute, obtain.