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Emulsion stabilizer for preventing excessive emulsification of ink

An emulsion stabilizer, ink technology, applied in ink, household appliances, applications, etc., can solve the problems of ink emulsion stabilization effect to be improved, single emulsifier composition, etc., to achieve excellent hydrophobic performance, improved leveling performance, good stability Effect

Active Publication Date: 2020-09-08
HANGZHOU HENGDA PRINTING PACKING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The emulsifier provided by this technical solution has a single component, its use is limited, and its stabilizing effect on ink emulsification still needs to be improved

Method used

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  • Emulsion stabilizer for preventing excessive emulsification of ink

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Effect test

Embodiment 1

[0024] An emulsion stabilizer to prevent excessive emulsification of ink, composed of 20 parts by weight of polydimethylsiloxane, 20 parts by weight of (Z,Z)-polyethylene oxide polymethyl ethylene oxide dioleate, 10 parts It consists of parts by weight of lecithin and 50 parts by weight of polyglycerol-10 polyricinoleate.

[0025] Among them, the average molecular weight of polydimethylsiloxane (CAS No. 106214-84-0) is 1000-2000. The average molecular weight of (Z,Z)-polyethylene oxide polymethyl ethylene oxide dioleate (CAS No. 67167-17-3) is 4000-8000. The average molecular weight of polyglycerol-10 polyricinoleate (CAS No. 114355-43-0) is 5000-6000. Lecithin was purchased from Changzhou Yangsen Biotechnology Co., Ltd.'s mixed phospholipids.

Embodiment 2

[0027] An emulsion stabilizer to prevent excessive emulsification of ink, composed of 30 parts by weight polydimethylsiloxane, 15 parts by weight (Z,Z)-polyethylene oxide polymethyl ethylene oxide dioleate, 10 parts It consists of parts by weight of lecithin, 20 parts by weight of Span and 25 parts by weight of lauric acid monoglyceride.

[0028] Among them, the average molecular weight of polydimethylsiloxane (CAS No. 106214-84-0) is 1000-2000. The average molecular weight of (Z,Z)-polyethylene oxide polymethyl ethylene oxide dioleate (CAS No. 67167-17-3) is 4000-8000. Span is Span 80 (CAS No. 1338-43-8) purchased from Haian Petrochemical Plant in Jiangsu Province. Lauric acid monoglyceride (CAS No. 142-18-7) purchased from West Asia Reagent Lecithin was purchased from Changzhou Yangsen Biotechnology Co., Ltd.'s mixed phospholipids.

Embodiment 3

[0030] An emulsion stabilizer to prevent ink from overemulsification, composed of 40 parts by weight of asymmetrically substituted polyorganosiloxane derivatives, 10 parts by weight of lecithin, 20 parts by weight of Span, and 30 parts by weight of N,N-dimethylhexyl Amide composition.

[0031] Among them, the preparation method of the asymmetrically substituted polyorganosiloxane derivative adopts the method in the patent application document with the publication number CN108026279A. Span is Span 80 (CAS No. 1338-43-8) purchased from Haian Petrochemical Plant in Jiangsu Province. N,N-Dimethylhexanamide (CAS No. 5830-30-8) was purchased from Shanghai Yiji Industrial Co., Ltd. Phosphatidylcholine (CAS number 8002-43-5) is used as lecithin.

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Abstract

The invention provides an emulsion stabilizer for preventing excessive emulsification of ink, and belongs to an ink assistant. The emulsion stabilizer is prepared by compounding an anti-emulsificationcomponent, lecithin and a nonionic surfactant. According to the invention, lecithin is compounded with an anti-emulsifying component and a water-in-oil type nonionic surfactant, so that good stability is achieved; and after the emulsion stabilizer is added into ink, the shear viscosity and leveling property of ink can be improved, the ink can be endowed with excellent hydrophobic property, the ink is emulsified in the kneading and squeezing process and quickly achieves water-oil balance, and the water-based ink has a better effect of controlling the emulsification of the ink.

Description

Technical field [0001] This application belongs to the field of inks, and relates to auxiliary agents used in inks, and in particular to an emulsion stabilizer that prevents excessive emulsification of inks. Background technique [0002] Ink is an important material used for printing packaging materials. It displays patterns and words on the substrate through printing. The ink includes main and auxiliary components, which are uniformly mixed and repeatedly rolled to form a viscous colloidal fluid. Offset printing ink is mainly composed of resin, mineral oil and pigment. Because there are more hydrophilic polar groups in the ink, during the printing process, the fountain solution is dispersed in the ink as fine droplets under certain conditions, or the ink is dispersed in the water as a whole to form an emulsion. The phenomenon of ink emulsification, the process of ink emulsification is indispensable and inevitable, but excessive emulsification will cause problems such as light h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/03
CPCC09D11/03
Inventor 俞明荣李孝一杨孝卫
Owner HANGZHOU HENGDA PRINTING PACKING
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