Formula and blending method of water-based ink colorant

• Main Authors: LI JINCHENG, LEE JUN-SEOK
• Format: Patent
• Language: Chinese; English
• Published: 05.01.2024
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; USE OF MATERIALS THEREFOR; WOODSTAINS

The invention relates to the technical field of printing coatings, and particularly discloses a water-based ink colorant formula and a blending method, and the water-based ink colorant formula comprises the following components by mass: 40-60% of a water-based polymer resin, 1-4% of a wetting dispersant, 0.2-1.5% of an organosilicon water-based defoamer, 23-38% of a pigment, 4-9% of deionized water, 1-8% of ethylene glycol dibutyl ether, and 1-8% of polyether modified polysiloxane. And the product does not contain volatile organic compounds, can meet the use of food-grade products, and is suitable for intaglio printing and flexographic printing. 本发明涉及印刷涂料技术领域，具体公开了一种水性油墨着色剂配方及调配方法，包括以下质量份数：水性聚合物树脂40Wt％～60Wt％、润湿分散剂1Wt％～4Wt％、有机硅水性消泡剂0.2Wt％～1.5Wt％、颜料23～38Wt％、去离子水4Wt％～9Wt％、乙二醇二丁醚1Wt％～8Wt％和聚醚改性聚硅氧烷1Wt％～8Wt％。提高了水性油墨着色剂的环保性，其产品中不含有挥发性有机化合物，可以满足食品级产品使用，适用于凹版印刷和柔版印刷。