Printing glazing oil and preparation method thereof

A technology of varnish and ink, applied in coating and other directions, can solve the problems of poor friction resistance and slow drying speed of varnish, and achieve the effects of good leveling, high bearing capacity and shortened induction period.

Inactive Publication Date: 2019-01-25
赵建平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a printing varnish and its preparation method in view of the problems of poor friction resistance and slow drying speed of the current varnish

Method used

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  • Printing glazing oil and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0023] The preparation method of glazing oil base material is:

[0024] (1) In parts by mass, take 2~7 parts of methyl methacrylate, 4~6 parts of 2-ethylhexyl acrylate, 1~3 parts of methylol acrylamide, 8~10 parts of styrene, 3~5 parts of itaconic acid, 3~6 parts of methacrylate, 0.5~0.8 parts of azobisisobutyronitrile, stir and mix for 20~30min to obtain a mixture, take ethyl acetate at a mass ratio of 2~5:1~ 3. Add N-methylpyrrolidone and mix to obtain a mixed solution. Take the mixture and add it to the mixed solution according to the mass ratio of 1~5:10~20, heat up to 50~60°C and stir for 30~40 minutes, add dropwise 1~3% of the mixture Azobisisobutyronitrile and 2-mercaptoethanol with a mixing mass of 2~5% were stirred and mixed at 80~85°C for 40~60 minutes to obtain a stirred mixture, and the stirred mixture was added to the deionized mixture at a mass ratio of 2~5:8~10 water, stirred and mixed for 30~40min to obtain mixture a;

[0025] (2) Take the mixture a and add N...

Embodiment 1

[0035] The preparation method of glazing oil base material is:

[0036] (1) In parts by mass, take 2 parts of methyl methacrylate, 4 parts of 2-ethylhexyl acrylate, 1 part of methylol acrylamide, 8 parts of styrene, 3 parts of itaconic acid, 3 parts Methacrylate and 0.5 parts of azobisisobutyronitrile were stirred and mixed for 20 minutes to obtain a mixture, and ethyl acetate was mixed with N-methylpyrrolidone at a mass ratio of 2:1 to obtain a mixed solution, and the mixture was obtained at a mass ratio of 1: 10 Add the mixed solution, heat up to 50°C and stir for 30 minutes, add dropwise azobisisobutyronitrile of 1% by weight of the mixture and 2-mercaptoethanol of 2% by weight of the mixture, stir and mix for 40 minutes at 80°C to obtain a stirred mixture, take the stirring Add deionized water to the mixture at a mass ratio of 2:8, stir and mix for 30 minutes to obtain mixture a;

[0037] (2) Take the mixture a and add N-methyldiethanolamine and styrene according to the m...

Embodiment 2

[0047] The preparation method of glazing oil base material is:

[0048] (1) In parts by mass, take 7 parts of methyl methacrylate, 6 parts of 2-ethylhexyl acrylate, 3 parts of methylol acrylamide, 10 parts of styrene, 5 parts of itaconic acid, 6 parts Methacrylate and 0.8 parts of azobisisobutyronitrile were stirred and mixed for 30 minutes to obtain a mixture, and ethyl acetate was mixed with N-methylpyrrolidone at a mass ratio of 5:3 to obtain a mixed solution, and the mixture was obtained at a mass ratio of 5: 20 Add the mixed solution, heat up to 60°C and stir for 40 minutes, add 3% azobisisobutyronitrile and 5% 2-mercaptoethanol dropwise, and stir and mix at 85°C for 60 minutes to obtain a stirred mixture. Add deionized water to the mixture at a mass ratio of 5:10, stir and mix for 40 minutes to obtain mixture a;

[0049] (2) Take the mixture a and add N-methyldiethanolamine and styrene at a mass ratio of 150:5:10, stir and mix at 35°C for 50 minutes to obtain the stirre...

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Abstract

The invention discloses printing glazing oil and a preparation method thereof and belongs to the technical field of printing. The printing glazing oil takes monomers including methyl methacrylate, 2-ethylhexyl acrylate, styrene and the like as raw materials, so that the glazing oil has good chemical stability and color protection property, and has a relatively high bearing capability to pigments and filler and a relatively good leveling property; alkyl alcohol and diketene react and then are complexed with manganese acetate to form a curing accelerant; oxidization of oil is accelerated, and oxygen in the air and the glazing oil are subjected to crosslinking reaction to form a dry coating film; the drying and film forming speed is accelerated; emery grains and quartz sand are added, and aluminum oxide and silicon dioxide are utilized to form an oleophylic surface, so that the anti-wearing performance of the glazing oil is increased and the friction coefficient is increased; tung oil andlinseed oil are added to assist film-forming and crosslinking oxidization, so that the smoothness of the glazing oil is increased and the self-leveling performance is improved; the surface of a coating is smooth and flat and the printing efficiency is improved. By adopting the printing glazing oil, the problems of current glazing oil that the wear-resisting performance is poor and the drying speed is slow are solved.

Description

technical field [0001] The invention belongs to the technical field of printing, and in particular relates to a printing varnish and a preparation method thereof. Background technique [0002] In the offset printing industry, the use of matte paper and coated paper has increased in recent years. And because calcium carbonate and abrasive are usually used as raw materials for manufacturing matte paper and art paper, therefore, the surface of the manufactured matte paper and art paper contains a large amount of calcium carbonate and abrasive. Prints printed on matte paper or coated paper, because the surface of these prints also contain a large amount of calcium carbonate and abrasives, when post-processing or transporting these prints, since these prints are stacked together, there is a gap between these prints. Friction is easy to occur, and the calcium carbonate and abrasives contained on the surface make the friction between these printed materials relatively large, so it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D151/00C09D7/62C09D7/65
CPCC08K2003/2227C08L2205/025C09D151/003C09D7/62C09D7/65C08L91/005C08K9/04C08K3/36C08K3/22
Inventor 赵建平路芸卢星
Owner 赵建平
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