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Waterborne polyketone resin emulsion, and preparation method and application thereof

A polyketone resin, water-based technology, applied in the field of polyketone resin, can solve the problem of less disclosure of the preparation method, and achieve the effects of avoiding potential toxicity, improving the printing operation environment, and cleaning the packaging

Inactive Publication Date: 2019-01-01
禾丰新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, domestic research on water-based polyketone resin emulsion is seldom, and its preparation method is less open, and water-based polyketone resin emulsion can be widely used in water-based coatings / inks, and its application prospect is excellent. Therefore, water-based polyketone resin emulsion It is particularly important to study the preparation method of

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Take 100g of anhydrous methyl ethyl ketone into a three-necked flask, add 100g of polyketone resin (hydroxyl value 220mgKOH / g) while stirring, raise the temperature to 80°C until all the particles are dissolved, and cool to 50°C, add IPDI 69.8g, T- 9 0.085g of catalyst, heated to 80°C for 3 hours, measured NCO group mass percentage to 4%, cooled to 40°C, added 45g acetone, 1.5g n-octylamine and 42g AAS salt with a mass concentration of 50% Aqueous solution, reacted for 30 minutes, added 192.3g of purified water, emulsified for 60 minutes, and then distilled under reduced pressure to remove methyl ethyl ketone and acetone to obtain a translucent aqueous polyketone emulsion with a solid content of 50%.

Embodiment 2

[0023] Take 100g of anhydrous methyl ethyl ketone into a three-necked flask, add 100g of polyketone resin (hydroxyl value: 270mgKOH / g) while stirring, increase the temperature to 80°C until all the particles are dissolved, reduce the temperature to 50°C and add IPDI 69.5g, T-9 Catalyst 0.085g, heated to 80℃, reacted for 3 hours, measured NCO mass percentage to 2.5%, cooled to 40℃, added 75g acetone, 0.9g diisobutylamine, 38.9g PPS salt solution with 90% mass concentration , React for 30 minutes, add 205.4 g of purified water, emulsify for 60 minutes, and then distill under reduced pressure to remove methyl ethyl ketone and acetone to obtain a blue water-based polyketone resin emulsion with a solid content of 50%.

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PUM

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Abstract

The invention relates to a waterborne polyketone resin emulsion, and a preparation method and application thereof, belonging to the technical field of polyketone resin. The waterborne polyketone resinemulsion is prepared from polyketone resin, an isocyanate monomer, a catalyst, a monoamine polymerization inhibitor, an aqueous sulfamate solution, a ketone solvent and water through polymerization,chain extension, emulsification and pressure reduction for solvent removal. The waterborne polyketone resin emulsion prepared in the invention can be used for preparing aqueous ink and coatings, doesnot contain any organic solvent, is environmentally friendly and human-friendly, and reduces the safety hazard of proneness to combustion and explosion during transportation and usage; and the prepared waterborne polyketone resin emulsion avoids potential toxicity of organic solvent residues to packaged food, improves an printing operation environment and realizes the clean packaging when appliedto preparation of waterborne food packaging ink.

Description

Technical field [0001] The invention belongs to the technical field of polyketone resins, and specifically relates to an aqueous polyketone resin emulsion and a preparation method and application thereof. Background technique [0002] Polyketone resin, also known as aldehyde-ketone resin, generally refers to the polymer formed by the condensation reaction of ketones and aldehyde compounds. The carbonyl group and terminal hydroxyl group contained in the unmodified polyketone resin molecule make it compatible with many coatings. Resin for ink has good compatibility. At the same time, polyketone resin has good solubility. It is soluble in most organic solvents, insoluble in water, and has low solubility in non-polar solvents. It is widely used in coatings. And ink. [0003] In recent years, with the rapid development of coatings and inks, the demand for polyketone resins is also increasing. With the gradual strengthening of people’s awareness of environmental protection, the use of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/64C09D175/04C09D11/102
CPCC08G18/64C09D11/102C09D175/04
Inventor 丁军杨富分
Owner 禾丰新材料科技有限公司
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