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Biodegradable printing ink binder and preparation process of printing ink

A printing ink, biodegradable technology

Active Publication Date: 2020-05-08
安徽省粤隆印刷科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, most of the binders in ordinary inks are made of non-degradable resin materials, which pose safety hazards to the environment and high production costs, so they are neither environmentally friendly nor economical
Although there are also partially degradable ink vehicles, the blending compatibility with pigments is not good, resulting in poor ink performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Preparation of chitosan hydrogel: 32g carboxymethyl chitosan, 10g N,N-dimethylacrylamide and 1.8g potassium persulfate were dissolved in water at 25°C to make a saturated solution, and heated to 70°C Stir for 5h, stop heating, concentrate under reduced pressure until the solid content reaches 55%, and cool naturally to obtain chitosan hydrogel

[0033] Preparation of β-cyclodextrin microspheres: Dissolve 22g of hydroxypropyl-β-cyclodextrin and 6g of asparagine in water to make a saturated solution, add 1g of 98% concentrated sulfuric acid dropwise after heating to 80°C, and heat at 80°C Stir under heat preservation for 3 hours, stop heating, add 50mL of absolute ethanol to break the emulsion after natural cooling to below 50°C, centrifuge to separate the microspheres, wash the microspheres with absolute ethanol, and dry in an oven at 50°C to obtain β-cyclodextrin microspheres .

[0034] Preparation of biodegradable printing ink binder: 40g of chitosan hydrogel and 10g ...

Embodiment 2

[0036] Adjust the consumption of chitosan hydrogel and β-cyclodextrin microsphere in the embodiment, all the other are completely with embodiment 1.

[0037] Preparation of chitosan hydrogel: 32g carboxymethyl chitosan, 10g N,N-dimethylacrylamide and 1.8g potassium persulfate were dissolved in water at 25°C to make a saturated solution, and heated to 70°C Stir for 5h, stop heating, concentrate under reduced pressure until the solid content reaches 55%, and cool naturally to obtain chitosan hydrogel

[0038] Preparation of β-cyclodextrin microspheres: Dissolve 22g of hydroxypropyl-β-cyclodextrin and 6g of asparagine in water to make a saturated solution, add 1g of 98% concentrated sulfuric acid dropwise after heating to 80°C, and heat at 80°C Stir under heat preservation for 3 hours, stop heating, add 50mL of absolute ethanol to break the emulsion after natural cooling to below 50°C, centrifuge to separate the microspheres, wash the microspheres with absolute ethanol, and dry i...

Embodiment 3

[0041] Preparation of ink: 25g of biodegradable printing ink binder prepared in Example 1, 8g of pigment yellow 1013, 5g of alkyl glucoside APG1200, 2g of antifoaming agent polydimethylsiloxane, 1g of leveling agent BYK- It is made by mixing 358N and 45g water at a speed of 350r / min for 10min.

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Abstract

The invention discloses a biodegradable printing ink binder and a preparation method of printing ink and relates to the technical field of printing ink, the biodegradable printing ink binder is prepared from a biodegradable printing ink binder according to a mass ratio of (5 to 10) to 1, the ink is prepared from the following raw materials in parts by mass: 20 to 30 parts of biodegradable printingink connecting material, 5 to 15 parts of pigment, 1 to 10 parts of alkyl glucoside, 0.5 to 3 parts of antifoaming agent, 0.5 to 3 parts of leveling agent and 25 to 50 parts of water. Chitosan hydrogel and beta-cyclodextrin microspheres are used as raw materials to prepare the printing ink binder, and the binder is green, environmentally friendly and easy to dissolve in water and can well promoteuniform dispersion and printing transfer of pigment in ink, so that the coloring effect of the ink is guaranteed, and the use quality of an ink film formed by the ink is optimized.

Description

Technical field: [0001] The invention relates to the technical field of printing ink, in particular to a preparation process of a biodegradable printing ink binder and ink. Background technique: [0002] Ink binder is an important part of printing ink and the fluid part of ink. The rheology, viscosity, drying, film-forming and printing performance of printing ink mainly depend on the binder. The solid component in the ink can be finely ground in the manufacturing process by relying on the wetting effect of the binder, and the transfer and transfer of the printing process can be completed by its viscosity, and the dry film-forming property of the binder on the printed matter can make the imprint form a glossy firm ink film to protect the pigment. [0003] At present, most of the binders in ordinary inks are made of non-degradable resin materials, which pose safety hazards to the environment and high production costs, so they are neither environmentally friendly nor economic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/14C09D11/106C09D11/03C08B37/16C08F251/00C08F220/54
CPCC09D11/14C09D11/106C09D11/03C08B37/0012C08F251/00C08F220/54
Inventor 刘伟东
Owner 安徽省粤隆印刷科技有限公司
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