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Preparation method of high-performance printing ink resin

An ink resin and alcohol-based technology, which is applied in the field of high-performance alcohol-based ink resin and its preparation, can solve the problems of poor compatibility, low composite strength and intolerance of ester-soluble laminating adhesive, and achieves good printing effect, The effect of high composite strength and strong adaptability

Active Publication Date: 2012-01-25
CHENGDU XINJIN TUOZHAN PRINTING INK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the alcohol-water-based composite ink prepared with polyacrylate as the resin binder is mainly suitable for BOPP plastic film substrates and alcohol-soluble laminating adhesives due to the weak polarity of polyacrylate molecules. When used on PET plastic film substrates , the adhesion is poor, and the compatibility with the ester-soluble laminating adhesive is poor, the composite strength is low, and it cannot withstand high-temperature boiling at 98°C; and the alcohol-water composite ink prepared with polyurethane as the resin binder, because of The strong polarity of polyurethane molecules is mainly suitable for PET plastic film substrates and ester-soluble laminating adhesives, which have good high temperature resistance; when used on BOPP plastic film substrates, the adhesion is poor, and it is different from alcohol-soluble adhesives. Laminating glue has poor compatibility and low composite strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Add 1.5g of azobisisobutyronitrile and 120g of polyurethane polymerization-grade ethyl acetate into the reactor, stir evenly, and then heat up to 75°C; after the temperature stabilizes, start to evenly drop the monomer mixture (120g of butyl 107g of vinyl acetate, 10g of hydroxyethyl acrylate uniformly mixed) and initiator solution (formed by uniformly mixing 1.5g of azobisisobutyronitrile, 120g of polyurethane polymerization grade ethyl acetate); The dropwise addition time of the mixture and the initiator solution was 3 hours, and the temperature was kept at 75°C during the dropwise addition; after the dropwise addition, the temperature was kept at 75°C, continued to stir for 4 hours, and then cooled to obtain a strip with a solid content of 50%. Hydroxypolyacrylate.

[0036]Dry the 500ml four-necked bottle, stirrer, feeding tube and other instruments at 120°C for 2 hours, take it out and place it in a desiccator to cool. Add 5g of isophordione diisocyanate (IPDI) to ...

Embodiment 2

[0038] Add 2.0 g of azobisisobutyronitrile and 120 g of polyurethane polymerization grade ethyl acetate into the reaction kettle, stir evenly, then heat up to 75°C; The butyl acrylate of 40g, the vinyl acetate of 142g, the hydroxypropyl acrylate of 14g are uniformly mixed to form) and initiator solution (by the azobisisobutyronitrile of 2.0g, the polyurethane polymerization grade ethyl acetate of 120g uniformly mixed formed); the dropping time of the monomer mixture and the initiator solution was 3 hours, and the temperature was kept at 75°C during the dropping; 60% hydroxylated polyacrylate.

[0039] Dry the 500ml four-necked bottle, stirrer, feeding tube and other instruments at 120°C for 2 hours, take it out and place it in a desiccator to cool. Add 9g of isophordione diisocyanate (IPDI) to a 500ml four-necked bottle with a stirrer and a thermometer, heat to 50°C while stirring, add 0.03g of dibutyltin dilaurate, stir and mix for 10 minutes, then add 48g of polyether diol...

Embodiment 3

[0041] Add 1.5g of azobisisobutyronitrile and 120g of polyurethane polymerization-grade ethyl acetate into the reactor, stir evenly, and then heat up to 75°C; after the temperature stabilizes, start to evenly drop the monomer mixture (100g of butyl 126g of vinyl acetate, 11g of hydroxyethyl acrylate uniformly mixed) and initiator solution (formed by uniformly mixing 1.5g of azobisisobutyronitrile, 120g of polyurethane polymerization grade ethyl acetate); The dropwise addition time of the mixture and the initiator solution was 3 hours, and the temperature was kept at 75°C during the dropwise addition; after the dropwise addition, the temperature was kept at 75°C, continued to stir for 4 hours, and then cooled to obtain a strip with a solid content of 50%. Hydroxypolyacrylate.

[0042] Dry the 500ml four-necked bottle, stirrer, feeding tube and other instruments at 120°C for 2 hours, take it out and place it in a desiccator to cool. Add 6g of toluene diisocyanate (TDI) to a 500...

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Abstract

The invention relates to plastic gravure printing ink resin, in particular to high-performance alcohol-water based printing ink resin and a preparation method thereof. The high-performance alcohol-water based printing ink resin in the invention is polyurethane grafted polyacrylate copolymer obtained by reaction of polyacrylate with a hydroxyl and polyurethane prepolymer with the end group of isocyanate. A polyurethane chain is introduced, thus the resin has good adhesive force to various plastic film substrate (BOPP (biaxially oriented polypropylene), PET (polyethylene terephthalate), PA (polyamide), PVC (polyvinyl chloride), PE (poly ethylene), PC (polycarbonate) and the like), adapts to various laminated adhesives (ester soluble ones and alcohol soluble ones) and has high combined strength. The preparation method of the plastic gravure printing ink resin in the invention is simple, and the prepared printing ink has good printing effect and strong adaptability, thus realizing integrated adaptation to the substrate and laminated adhesive and being capable of using for printing of various plastic substrates; no crosslinking component is required, tolerance to poaching at high temperature of 98 DEG C is achieved, operation is easy, and combined strength is high; and the resin is alcohol soluble, economic and environment-friendly and has a wide application prospect in the plastic gravure printing ink field.

Description

technical field [0001] The invention relates to a plastic gravure ink resin, in particular to a high-performance alcohol water-based ink resin and a preparation method thereof. technical background [0002] In recent years, with the continuous improvement of people's living standards, it not only drives the rapid growth of the packaging industry, but also promotes the continuous development of plastic gravure ink technology and market. At present, plastic gravure ink has been widely used in plastic packaging, such as various plastic film substrate packaging in food, medicine, agricultural and sideline products, daily necessities and other industries, and its application range covers almost all packaging fields. In order to adapt to the pursuit of "green and environmental protection" in social development, plastic gravure ink companies and related research institutions have been committed to the research and development of "green" inks in recent years, in order to use clean, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G18/78C08G18/62C08G18/12C08F220/18C08F218/08C08F220/28C09D11/10C09D11/102
Inventor 付勇金勇
Owner CHENGDU XINJIN TUOZHAN PRINTING INK
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