CN103834293A - UV (Ultraviolet) curing seal primer with good leveling property and preparation method of primer - Google Patents

Abstract

The invention discloses a UV (Ultraviolet) curing seal primer with good leveling property. The primer is characterized by being prepared from the following raw materials in parts by weight: 30-35 parts of aromatic polyether urethane diacrylic ester, 19-23 parts of bisphenol A epoxy crylic acid ester, 12-15 parts of tripropylene glycol diacrylic ester, 3-4 parts of ester gum, 2-3 parts of benzil dimethyl ketal, 2-3 parts of photoinitiator 1173, 6-8 parts of crylic acid phenoxy ethyl ester, 7-9 parts of lauric acid metacrylic acid ester, 3-5 parts of xylene, 1-2 parts of polydimethylsiloxane, 1-2 parts of ethylene bottom oil, 1-2 parts of lignin, 5-7 parts of kieselguhr, 3-5 parts of white carbon black and 4-5 parts of assistant. Due to addition of the nano kieselguhr, the primer has a good sealing function, and a coating has the sealing capability; due to addition of the assistant, the leveling property is improved, and the coating is uniform, good in adhesion property, fast in curing speed, corrosion-resisting, wear-resisting, simple in production process, environment-friendly and applicable to applications as seal primers.

Description

A kind of UV of good leveling property solidifies seal coat and preparation method thereof

Technical field

The present invention relates to a kind of coating and preparation method thereof, particularly a kind of UV of good leveling property solidifies seal coat and preparation method thereof.

Background technology

The coating material solidified comparatively proven technique that become of UV, particularly, along with the raising of people's environmental consciousness, production and researchist note the development and application that UV is coating material solidified more.UV is coating material solidified is a kind of environmental type coating, it meets " 4E " principle completely, it is thermofixation 1/5 that general UV solidifies energy consumption, and UV is coating material solidified less containing volatiles, pollute little, attract most researchist and developer to be that UV is coating material solidified can reduce raw materials consumption, be conducive to reduce Financial cost.

Current UV solidify material is various, but still in various degree exist some problems, coating material solidified, the generation string stress large through photocuring post-shrinkage ratio of existing UV, cause that film is crisp, sticking power and the shortcoming such as impact resistance is poor and the snappiness of film is poor and hardness is low, not corrosion-resistant, easy xanthochromia is aging, this series of problems all need to continue improvement for different purposes, reduce production costs, expand purposes.

Summary of the invention

The UV that the object of this invention is to provide a kind of good leveling property solidifies seal coat and preparation method thereof.

In order to realize object of the present invention, the present invention passes through following scheme implementation:

The UV of good leveling property solidifies a seal coat, is made up: aromatic polyether type polyurethane diacrylate 30-35, bisphenol A epoxy acrylate 19-23, tri (propylene glycol) diacrylate 12-15, esterase 3-4, benzoin dimethylether 2-3, light trigger 1173 2-3, vinylformic acid phenoxy ethyl 6-8, lauric acid methacrylic ester 7-9, dimethylbenzene 3-5, polydimethylsiloxane 1-2, ethylene bottom oil 1-2, xylogen 1-2, diatomite 5-7, white carbon black 3-5, auxiliary agent 4-5 of the raw material of following weight part;

Described auxiliary agent is made up of the raw material of following weight part: diatomite 10-13, hectorite 5-7, titanium dioxide 5-7, epoxy castor oil 3-4, lemon quintessence oil 0.1-0.2, Viscoat 295 4-6, neopentylglycol diacrylate 3-5, altax 2-3, N-BUTYL ACETATE 20-23; Preparation method puts into calcining furnace by diatomite to calcine 3-4 hour at 520-540 DEG C, takes out, and is ground into 50-100 object mixed powder together with hectorite, titanium dioxide; All the other remaining components are mixed, be heated to 50-60 DEG C, stir and add mixed powder after 30-45 minute, 1-1.5 hour is ground in insulation, to obtain final product.

The UV of a kind of good leveling property of the present invention solidifies seal coat, is made up of following concrete steps:

(1) aromatic polyether type polyurethane diacrylate, bisphenol A epoxy acrylate, tri (propylene glycol) diacrylate, esterase are put into reactor and stirred, be heated to 75-85 DEG C, stir 15-20 minute;

(2) add all the other remaining components except benzoin dimethylether, light trigger 1173, continue stirring reaction 30-40 minute, make it to be uniformly dispersed;

(3) be finally cooled to 45-55 DEG C, add benzoin dimethylether, light trigger 1173, stirring reaction 20-25 minute, cooling after, grind obtain 20-40 μ m slurry, to obtain final product.

The invention has the beneficial effects as follows: add nano diatomite, there is good sealing process, make coating there is closure; ; Add auxiliary agent, increased levelling property, coating is even, and sticking power is good, and curing speed is fast, corrosion-resistant, wear-resisting, and production technique is simple, environmentally friendly, is suitable as seal coat.

Specific embodiments

Below by specific examples, the present invention is described in detail.

The UV of good leveling property solidifies a seal coat, by following weight part (kilogram) raw material make: aromatic polyether type polyurethane diacrylate 30, bisphenol A epoxy acrylate 19, tri (propylene glycol) diacrylate 12, esterase 3, benzoin dimethylether 2, light trigger 1,173 2, vinylformic acid phenoxy ethyl 6, lauric acid methacrylic ester 7, dimethylbenzene 3, polydimethylsiloxane 1, ethylene bottom oil 1, xylogen 1, diatomite 5, white carbon black 3, auxiliary agent 4;

Described auxiliary agent by following weight part (kilogram) raw material make: diatomite 10, hectorite 5, titanium dioxide 5, epoxy castor oil 3, lemon quintessence oil 0.1, Viscoat 295 4, neopentylglycol diacrylate 3, altax 2, N-BUTYL ACETATE 20; Preparation method puts into calcining furnace by diatomite to calcine 3-4 hour at 520-540 DEG C, takes out, and is ground into 50-100 object mixed powder together with hectorite, titanium dioxide; All the other remaining components are mixed, be heated to 50-60 DEG C, stir and add mixed powder after 30-45 minute, 1-1.5 hour is ground in insulation, to obtain final product.

The UV of a kind of good leveling property of the present invention solidifies seal coat, is made up of following concrete steps:

(1) aromatic polyether type polyurethane diacrylate, bisphenol A epoxy acrylate, tri (propylene glycol) diacrylate, esterase are put into reactor and stirred, be heated to 75-85 DEG C, stir 15-20 minute;

(2) add all the other remaining components except benzoin dimethylether, light trigger 1173, continue stirring reaction 30-40 minute, make it to be uniformly dispersed;

(3) be finally cooled to 45-55 DEG C, add benzoin dimethylether, light trigger 1173, stirring reaction 20-25 minute, cooling after, grind obtain 20-40 μ m slurry, to obtain final product.

This coating 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 2H, and abrasion resistance index turns above 3900.

Claims (2)

1. the UV of a good leveling property solidifies seal coat, it is characterized in that, made by the raw material of following weight part: aromatic polyether type polyurethane diacrylate 30-35, bisphenol A epoxy acrylate 19-23, tri (propylene glycol) diacrylate 12-15, esterase 3-4, benzoin dimethylether 2-3, light trigger 1173 2-3, vinylformic acid phenoxy ethyl 6-8, lauric acid methacrylic ester 7-9, dimethylbenzene 3-5, polydimethylsiloxane 1-2, ethylene bottom oil 1-2, xylogen 1-2, diatomite 5-7, white carbon black 3-5, auxiliary agent 4-5;

Described auxiliary agent is made up of the raw material of following weight part: diatomite 10-13, hectorite 5-7, titanium dioxide 5-7, epoxy castor oil 3-4, lemon quintessence oil 0.1-0.2, Viscoat 295 4-6, neopentylglycol diacrylate 3-5, altax 2-3, N-BUTYL ACETATE 20-23; Preparation method puts into calcining furnace by diatomite to calcine 3-4 hour at 520-540 DEG C, takes out, and is ground into 50-100 object mixed powder together with hectorite, titanium dioxide; All the other remaining components are mixed, be heated to 50-60 DEG C, stir and add mixed powder after 30-45 minute, 1-1.5 hour is ground in insulation, to obtain final product.

2. a kind of UV of good leveling property solidifies seal coat according to claim 1, it is characterized in that, is made up of following concrete steps:

(1) aromatic polyether type polyurethane diacrylate, bisphenol A epoxy acrylate, tri (propylene glycol) diacrylate, esterase are put into reactor and stirred, be heated to 75-85 DEG C, stir 15-20 minute;

(2) add all the other remaining components except benzoin dimethylether, light trigger 1173, continue stirring reaction 30-40 minute, make it to be uniformly dispersed;

(3) be finally cooled to 45-55 DEG C, add benzoin dimethylether, light trigger 1173, stirring reaction 20-25 minute, cooling after, grind obtain 20-40 μ m slurry, to obtain final product.