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Water-based white ink for PVC shrink film bottle labels and preparation method thereof

A technology of white ink and shrink film, applied in the field of water-based white ink for PVC shrink film bottle labels and its preparation, can solve the problems of slow drying speed and low adhesion, and achieve strong adhesion, high adhesion and fast drying Effect

Active Publication Date: 2015-07-08
BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ordinary water-based inks have the disadvantages of slow drying speed and low adhesion on PVC films, so there is an urgent need for a water-based ink for PVC shrink film with high adhesion and fast drying speed.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1PVC shrink film universal water-based white ink

[0026] The ink is made in three steps, the first step is to prepare water-based binder, the second step is to prepare white color paste, and the third step is to prepare water-based shrink film white ink.

[0027] The first step, preparation of water-based binder

[0028] Water-based binder formulation

[0029] Epoxy modified acrylate emulsion 26%

[0030] Polyurethane-acrylate composite emulsion 16%

[0031] Aluminum sol modified acrylate emulsion 58%

[0032] The operation sequence is: first add aluminum sol modified acrylate emulsion and polyurethane-acrylate composite emulsion to the material tank, start stirring (speed 200-580 rpm), stir for 30 minutes, then add epoxy modified acrylate emulsion and stir for 20 minutes. minutes to use.

[0033] The second step, prepare white color paste

[0034] The formula of white color paste:

[0035] Dispersant 26%

[0036] Titanium dioxide (R258): 46%

[003...

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PUM

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Abstract

The invention discloses a water-based white ink for PVC shrink film bottle labels and a preparation method thereof. The water-based white ink is composed of a waterborne binder, a color paste, assistants, a diluent and a defoaming agent. The ink preparation method includes the three steps of: 1. preparation of the waterborne binder, 2. preparation of white color paste, and 3. blending of a water-based shrink film white ink. Compared with the existing invention, the shrink film water-based white ink protected by the invention has the characteristics of low VOC, no environmental pollution, and high shrinkage, can be used for a PVC heat shrinkage film substrate, and after mating printing with a PVC heat shrinkage film, the printing film does not curl and is free of scumming, and the printed product meets the requirements, is safe and non-toxic, and recoverable. And after printing, the shrink film has very strong resistance to chloroform and cyclohexanone, thus well solving the environmental pollution problem generated by printing of the film with solvent ink.

Description

technical field [0001] The invention relates to a water-based ink, in particular to a water-based white ink for PVC shrink film bottle labels and a preparation method thereof. Background technique [0002] Shrink film has the advantages of good flexibility, impact resistance, tear resistance, not easy to break, not afraid of moisture, and large shrinkage rate. It is used in beverage bottles (mineral water, juice, cola, beer, etc.), health care products, pharmaceuticals, It is widely used as a label in the fields of toiletries and so on. Shrink film labels have the advantages of good fit, eye-catching printing patterns, good three-dimensional effects, and are suitable for various special-shaped packaging, so they have become the mainstream products in the three-dimensional packaging market. [0003] Shrink film labels need to be printed with special inks. Currently, solvent-based inks are commonly used in the market, which have the disadvantages of producing a large amount o...

Claims

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Application Information

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IPC IPC(8): C09D11/107C09D11/102C09D11/03
CPCC09D11/03C09D11/102C09D11/107
Inventor 辛秀兰吴涛徐宝财于洋王鹏
Owner BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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