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Preparation method of biomass-based low-odor printing ink

A low-odor, biomass-based technology, applied in the field of printing materials, can solve problems such as adverse health effects of printing operators, pollution of packaging products, and consumer hazards, to avoid potential risks of poisoning, fast curing speed, and good adhesion performance Effect

Pending Publication Date: 2020-12-29
中山市富日印刷材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the migration of inks, organic pigments will migrate to the surface of the printing substrate, and organic pollutants and heavy metals will pose potential hazards to consumers
Moreover, the use of mineral oil will not only pollute the atmosphere during the printing process, but also have adverse effects on the health of printing operators, and will also pollute packaging products.

Method used

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  • Preparation method of biomass-based low-odor printing ink

Examples

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preparation example Construction

[0022] The preparation method of a biomass-based low-odor ink of the present invention comprises the following raw materials in parts by weight: 40-60 parts of itaconic acid abietic acid modified epoxy soybean oil, 10-25 parts of vegetable oil, 5-15 parts of pigments, fillers 2-10 parts, 1-3 parts of adhesion promoter, 0.5-2 parts of anti-skinning agent, 1-3 parts of drier, 2-6 parts of leveling agent, 2-5 parts of dispersant and 0.1 parts of defoamer -1 part, the sum of the mass of the above components is 100%;

[0023] Specifically include the following steps:

[0024] Step 1, adopting itaconic abietic acid modified epoxy soybean oil;

[0025] Step 1.1, under nitrogen atmosphere, add rosin, itaconic acid, polymerization inhibitor and toluene into the reaction kettle, heat at 120°C until the rosin melts, then raise the temperature to 130-140°C, react for 3-5h, remove Toluene, obtain itaconic acid modified rosin;

[0026] In step 1.1, the mass ratio of rosin and itaconic ac...

Embodiment 1

[0042] A preparation method of biomass-based low-odor ink, specifically comprising the steps of:

[0043] Step 1, preparation of itaconic acid abietic acid modified epoxy soybean oil:

[0044] Take 20g of rosin, 40g of itaconic acid, 0.4g of hydroquinone, and 20mL of toluene into the reaction kettle. After bubbling nitrogen for 30 minutes, heat to 120°C. After the rosin melts, continue to heat to 140°C. Toluene is removed by steaming to obtain itaconic acid modified rosin;

[0045] Take 28.5g of itaconic acid modified rosin, 30g of epoxidized soybean oil, 0.3g of triphenylphosphine and 0.3g of hydroquinone into the reaction kettle, bubble nitrogen for 30min, heat to 110°C, and react for 4h to obtain clothing Conic acid rosin modified epoxy soybean oil.

[0046]Step 2, add 60 parts of itaconic acid rosin modified epoxy soybean oil, 7.5 parts of tung oil, 2.5 parts of refined soybean oil, 2 parts of polyether modified organosiloxane, 2 parts of oleic acid, 1 part of acrylate ...

Embodiment 2

[0048] A preparation method of biomass-based low-odor ink, specifically comprising the steps of:

[0049] Step 1, preparation of itaconic acid abietic acid modified epoxy soybean oil:

[0050] Take 20g of rosin, 60g of itaconic acid, 0.3g of hydroquinone, and 30mL of toluene into the reaction kettle. After bubbling nitrogen for 30 minutes, heat to 120°C. After the rosin is melted, continue to heat to 130°C. Toluene is removed by steaming to obtain itaconic acid modified rosin;

[0051] Take 40.5g of itaconic acid modified rosin, 30g of epoxidized soybean oil, 1.5g of N,N-dimethylbenzylamine and 0.15g of hydroquinone into the reaction kettle, bubble nitrogen for 30min, and heat to 105°C. After reacting for 6 hours, itaconic acid rosin-modified epoxy soybean oil was obtained.

[0052] Step 2, add 40 parts of itaconic acid rosin modified epoxy soybean oil, 6.25 parts of tung oil, 18.75 parts of refined soybean oil, 6 parts of polyether modified organosiloxane, 5 parts of oleic ...

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Abstract

The invention discloses a preparation method of biomass-based low-odor printing ink, which comprises the following raw materials in parts by weight: 40-60 parts of itaconic acid abietic acid modifiedepoxidized soybean oil, 10-25 parts of vegetable oil, 5-15 parts of a pigment, 2-10 parts of a filler, 1-3 parts of an adhesion promoter, 0.5-2 parts of an anti-skinning agent, 1-3 parts of a drier, 2-6 parts of a leveling agent, 2-5 parts of a dispersing agent and 0.1-1 part of a defoamer. Wherein the sum of the mass of the components is 100%. The preparation method specifically comprises the following steps: step 1, modifying epoxidized soybean oil with itaconic acid abietic acid; 2, preparing the printing ink from the product obtained in the step 1, wherein the abietic acid modified epoxidized soybean oil is selected as a main film forming substance, the pigment for food contact is selected as a color forming component, no toxic or harmful substance exists in the using process of the printing ink, complete biodegradation can be achieved, and no load is generated to the environment.

Description

technical field [0001] The invention belongs to the technical field of printing materials, and relates to a preparation method of biomass-based low-odor ink. Background technique [0002] Traditional offset printing inks for paper are composed of pigments, binders and additives, etc., and are generally dried in a combination of osmotic drying and oxidative skin drying. In order to prepare bright and fast-fixing inks, brightly colored organic pigments and mineral oils are often used to dissolve and dilute the resin. Due to the migration of inks, organic pigments will migrate to the surface of the printing substrate, and organic pollutants and heavy metals will pose potential hazards to consumers. And the use of mineral oil will not only cause pollution to the atmosphere during the printing process, but also have adverse effects on the health of printing operators, and will also cause pollution to packaging products. Especially for food packaging, children's toys, pharmaceut...

Claims

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Application Information

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IPC IPC(8): C09D11/06C09D11/037C07C67/31C07C69/675
CPCC09D11/06C09D11/037C07C51/353C07C67/31C07C69/675C07C62/30
Inventor 罗伟文
Owner 中山市富日印刷材料有限公司
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