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Palm oil-base offset printing ink containing no mineral oil and preparation method thereof

A technology of oil-based glue and mineral oil, applied in the printing field, can solve the problems of no palm oil, etc., achieve low VOC content, good use safety, and expand the application range

Inactive Publication Date: 2011-06-29
SHANGHAI PEONY PRINTING INK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Inks that do not contain mineral oil (whole soybean oil and its esters) have been produced, but no palm oil has been used in inks

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Mineral oil-free palm oil-based offset inks were prepared as follows:

[0036] (1) Take 20% palm oil, 20% methyl palmitate, 59% rosin modified phenolic resin and 1% antioxidant B.H.T in the reaction kettle by mass percentage, heat up to 220°C for one hour and discharge , to obtain the connecting material for offset printing ink.

[0037] (2) Take 15% of the pigment phthalocyanine blue BGS (dye index number C.I. Pigment Blue 15:3), 60% of the above-mentioned linking material, 10% of palm oil, 10% of methyl palmitate, and 2.5% of cobalt naphthenate by mass percentage And manganese naphthenate 2.5%, the deployment is uniform.

[0038] After the ink is prepared, it is manually pre-dispersed, rolled on a three-roller machine, added oil, inspected and adjusted to obtain the finished ink.

[0039] The above desiccants cobalt naphthenate and manganese naphthenate are produced by Shanghai Changfeng Chemical Plant.

[0040] The offset printing ink technical index that makes is...

Embodiment 2

[0044] Mineral oil-free palm oil-based offset inks were prepared as follows:

[0045] (1) Take 25% palm oil, 25% ethyl palmitate, and 50% rosin-modified phenolic resin in a reaction kettle according to the mass percentage, heat up to 220°C for one hour and discharge the material, and then obtain the offset printing ink. material.

[0046] (2) Take 20% of pigment carbon black, 65% of the above-mentioned connecting material, 5% of palm oil, 5% of ethyl palmitate, 2.5% of cobalt naphthenate and 2.5% of manganese naphthenate by mass percentage, and mix evenly.

[0047] After the ink is prepared, it is manually pre-dispersed, rolled on a three-roller machine, added oil, inspected and adjusted to obtain the finished ink.

[0048] The offset printing ink technical index that makes is as follows:

[0049] project

Embodiment 3

[0051] Mineral oil-free palm oil-based offset inks were prepared as follows:

[0052] (1) The preparation of connecting material: with the palm oil of 10% by mass percentage, the isobutyl palmitate of 20.5% by mass percentage, the rosin modified phenolic resin of 53% by mass percentage, the linseed oil of 11%, the alkyd of 5% Resin and 0.5% organic aluminum gelling agent AO-4 are placed in a reaction kettle, the temperature is raised to 200-205° C. and kept for 0.5 hour, and the material is discharged to obtain a connecting material for offset printing ink.

[0053] (2) Preparation of ink: 12% pigment titanium dioxide by mass percentage, 50% mass percentage of the connecting material that step (1) obtains, 16% palm oil, 20% ethyl palmitate, 1% cobalt naphthenate, cyclohexanol Manganese alkanoate 1%, evenly prepared.

[0054] After the ink is prepared, it is manually pre-dispersed, rolled on a three-roller machine, added oil, inspected and adjusted to obtain the finished ink. ...

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PUM

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Abstract

The invention provides a palm oil-base offset printing ink containing no mineral oil. The offset printing ink comprises the following components in percentage by mass: 10 to 25 percent of pigment, 40 to 75 percent of binding material, 5 to 30 percent of palm oil, 5 to 30 percent of palm oil derivative and 0.1 to 5 percent of auxiliary agent, wherein the binding material comprises 10 to 50 percentof palm oil, 10 to 50 percent of palm oil derivative and 30 to 70 percent of rosin modified phenolic resin. The invention also provides a preparation method of the ink. The offset printing ink prepared by the method does not contain the mineral oil and has the characteristics of no toxicity, no irritating smell, no corrosion, no combustibility, high using safety, high concentration, high printingadaptability, high dilution, high emulsification resistance and the like. Compared with the domestic soybean oil, the offset printing ink is low in volatile organic compound (VOC) content.

Description

technical field [0001] The invention relates to the field of printing, in particular to an environment-friendly offset printing ink and its preparation. Background technique [0002] Offset printing ink is mainly a fluid coloring material composed of pigments, additives, polymers and solvents. Among them, the main solvents of offset printing ink are mineral oil and vegetable oil. The drying process of offset printing ink on paper is very complicated. We can understand that the ink is dried through the penetration of mineral oil and the oxidized conjunctiva of vegetable oil. [0003] Since the existence of offset printing ink, mineral oil has always been indispensable in offset printing ink. Usually, the content of mineral oil in common offset printing ink is 25%~45%. Mineral oil is a non-renewable resource extracted from petroleum, which contains aromatic hydrocarbons that are harmful to the human body. [0004] Printed materials can be seen everywhere in our life and wor...

Claims

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Application Information

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IPC IPC(8): C09D11/06
Inventor 尚玉梅应淳朴苏春华
Owner SHANGHAI PEONY PRINTING INK
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