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An inner layer iron printing coating for food packaging

A technology for printing iron coatings and food packaging, which is applied in the field of inner layer iron printing coatings and iron printing coatings, and can solve problems such as inconvenient painting and poor adhesion of UV printing iron coatings

Active Publication Date: 2015-09-16
无锡品源科技咨询有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the adhesion of UV iron printing paint is poor, it is not convenient to paint on it, and it is not as good as heat curing iron printing paint in terms of alkali resistance, post-processing resistance, flexibility, wear resistance, etc.

Method used

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  • An inner layer iron printing coating for food packaging
  • An inner layer iron printing coating for food packaging
  • An inner layer iron printing coating for food packaging

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] A kind of inner layer iron printing paint for food packaging comprises the following components by mass percentage:

[0085]

[0086] Preparation method: Mix the raw materials of the inner layer iron printing paint used for food packaging according to the formula ratio, then stir, and at the same time raise the temperature for reaction until the solution is uniform.

Embodiment 2

[0088] A kind of inner layer iron printing paint for food packaging comprises the following components by mass percentage:

[0089]

[0090]

[0091] The preparation method is the same as that of Example 1.

Embodiment 3

[0093] A kind of inner layer iron printing paint for food packaging comprises the following components by mass percentage:

[0094]

[0095] The preparation method is the same as that of Example 1.

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Abstract

The invention relates to inner iron printing paint for food packaging, which comprises (a) bisphenol A, epoxy chloropropane and a catalyst; (b) an amino resin crosslinking agent; (c) phenolic resin; (d) solvent; and (e) wax powder, wherein the catalyst is a bisphenol A epoxy resin catalyst which is prepared from bisphenol A and epoxy chloropropane, the mass ratio of the bisphenol A to the epoxy chloropropane is (0.8-2):1, and the catalyst accounts for 0.9-4.3w%. According to the inner iron printing paint provided by the invention, the curing time is only 25-120 seconds, and continuous printing and coating can be performed; and meanwhile, the inner iron printing paint has favorable corrosion resistance, boiling resistance and flexibility.

Description

technical field [0001] The invention relates to an iron printing coating, in particular to an inner iron printing coating used for food packaging, and belongs to the technical field of can making. Background technique [0002] Tinplate, also known as tin-plated iron, is a common name for electroplated tin-plated steel sheet, and its English abbreviation is SPTE. It refers to cold-rolled low-carbon thin steel sheet or steel strip coated with commercial pure tin on both sides. Tin mainly plays the role of preventing corrosion and rust. It combines the strength and formability of steel with the corrosion resistance, solderability and beautiful appearance of tin in one material, which is corrosion-resistant, non-toxic and high-strength. , good ductility characteristics. Therefore, it is widely used in various fields such as packaging containers (canning, barrel making, and food and beverage packaging), electronic products, household appliances, automobiles, and motorcycles. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/02C09D161/06C09D7/12C09D5/08C09D11/102C09D11/103B05D7/24B05D3/02
Inventor 孙才清吴爱明
Owner 无锡品源科技咨询有限公司
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