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A kind of solvent-based metallic ink for bopp film printing and preparation method thereof

A metal ink and film printing technology, which is applied in ink, applications, household appliances, etc., can solve problems such as slipping, shrinkage, and difficulty in printing metal inks, and achieve simple preparation processes, save production costs, protect integrity and look beautiful Effect

Active Publication Date: 2018-10-02
SHANGHAI HUIBAI FINE CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the actual printing process, the printing of metal inks on BOPP films is difficult, and shrinkage or slipping often occurs. However, there are few reports on the solution to this technical problem.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] This embodiment is used for the solvent-based metallic ink of BOPP film printing, and this solvent-based metallic ink comprises the following components and content in parts by weight: 25 parts of metallic pigment, 40 parts of solvent and 35 parts of film-forming resin;

[0033] Wherein, the metal pigment is copper-gold powder, the particle size of the copper-gold powder is 11 μm, and the sieve residue content is lower than 0.5%; the solvent is ethyl ester, the film-forming resin is nitrocellulose resin, and the nitrocellulose resin is nitrocellulose trinitration. Its nitrogen content is 12.2%.

[0034] In this embodiment, the solvent-based metallic ink used for BOPP film printing is prepared by the following steps:

[0035] (1) Prepare materials according to the following components and parts by weight:

[0036] 25 parts of metallic pigment,

[0037] 40 parts of solvent,

[0038] 35 parts of film-forming resin;

[0039] (2) The solvent is placed in the mixing tank ...

Embodiment 2

[0043] This embodiment is used for the solvent-based metallic ink of BOPP film printing, and this solvent-based metallic ink comprises the following components and the content in parts by weight: 15 parts of metallic pigment, 27 parts of solvent and 58 parts of film-forming resin;

[0044] Among them, the metal pigment is copper gold powder, the particle size of the copper gold powder is 13 μm, and the sieve residue content is lower than 0.5%; the solvent is n-propyl ester, the film-forming resin is nitrocellulose resin, and the nitrocellulose resin is nitrocellulose trinitration , and its nitrogen content is 11.8%.

[0045] In this embodiment, the solvent-based metallic ink used for BOPP film printing is prepared by the following steps:

[0046] (1) Prepare materials according to the following components and parts by weight:

[0047] 15 parts of metallic pigment,

[0048] 27 parts of solvent,

[0049] 58 parts of film-forming resin;

[0050] (2) The solvent is placed in t...

Embodiment 3

[0054] This embodiment is used for the solvent-based metallic ink of BOPP film printing, and this solvent-based metallic ink comprises the following components and content in parts by weight: 25 parts of metallic pigment, 40 parts of solvent and 35 parts of film-forming resin;

[0055] Among them, the metal pigment is aluminum silver powder, the particle size of the aluminum silver powder is 13 μm, and the sieve residue content is lower than 0.5%; the solvent is butyl acetate, the film-forming resin is nitrocellulose resin, and the nitrocellulose resin is dinitrocellulose , and its nitrogen content is 11.2%.

[0056]In this embodiment, the solvent-based metallic ink used for BOPP film printing is prepared by the following steps:

[0057] (1) Prepare materials according to the following components and parts by weight:

[0058] 25 parts of metallic pigment,

[0059] 40 parts of solvent,

[0060] 35 parts of film-forming resin;

[0061] (2) The solvent is placed in the mixing...

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Abstract

The invention relates to solvent type metal ink for BOPP thin film printing and a preparation method of the solvent type metal ink. The solvent type metal ink is prepared from, by weight, 10-30 parts of metallic pigment, 25-50 parts of solvent and 30-60 parts of film-forming resin. The metallic pigment is one of bronze powder and aluminum silver powder, the solvent is an esterified organic solvent, and the film-forming resin is nitrocotton resin. In the preparation process, the metallic pigment and the solvent are fully and evenly mixed, then the film-forming resin is added, full stirring is carried out till even dispersion is achieved, then pouring and packaging are carried out, and after aluminum foil sealing is carried out, the finished metal ink is prepared. Compared with the prior art, the prepared metal ink has good printing adaptability on BOPP, hole shrinkage or other phenomena are not likely to happen, the completeness and attractiveness of printed matter are protected, the preparation process is simple, the prepared finished product is good in stability, multiple additives do not need to be additionally added, production cost is reduced, and the method is suitable for industrial and efficient mass production.

Description

technical field [0001] The invention belongs to the technical field of metal ink, and relates to a solvent-type metal ink used for BOPP film printing and a preparation method thereof. Background technique [0002] BOPP is the abbreviation of "Biaxially Oriented Polypropylene", and BOPP film is a biaxially oriented polypropylene film. The production of BOPP film is to first make the melt of high molecular weight polypropylene through a narrow and long die into a sheet or a thick film, and then in a special stretching machine, at a certain temperature and a set speed, simultaneously or step by step A film made by stretching in two vertical directions (longitudinal and transverse) and undergoing appropriate cooling or heat treatment or special processing (such as corona, coating, etc.). At present, BOPP film has been widely used in the packaging of food, candy, cigarettes, tea, juice, milk, textiles and other products, and has the reputation of "Packaging Queen". BOPP film's ...

Claims

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Application Information

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IPC IPC(8): C09D11/037C09D11/08
Inventor 邵倩
Owner SHANGHAI HUIBAI FINE CHEM CO LTD
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