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Laser medical film and preparation method thereof

A laser and film technology, which is applied in the field of laser medical film and its preparation, can solve the problems of unsuitable laser printing output, poor high temperature resistance, follow-up paper, cards, etc., and achieve the effect of increasing speed, long storage period, and not easy to fade

Inactive Publication Date: 2016-03-30
杭州健培科技有限公司
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  • Abstract
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Problems solved by technology

However, the existing film coating structure and composition are not suitable for laser printing output, poor high temperature resistance, serious static electricity, and easy to cause problems such as paper and cards.

Method used

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  • Laser medical film and preparation method thereof

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Embodiment Construction

[0015] Such as figure 1 As shown, the film of the present invention is composed of three layers of PET film base (1), antistatic layer (2) and laser ink-absorbing coating (3). On the film base (1) made of PET material, one side is coated with An antistatic layer (2) made of polystyrene sulfonate, and the other side is coated with a laser ink-absorbing coating (3) containing a dispersion of nano-sized alumina powder.

[0016] The specific production steps of the film:

[0017] The first step prepares 10% polyvinyl alcohol solution, the degree of polymerization of polyvinyl alcohol is 3200, and the degree of alcoholysis is 83%;

[0018] The second step is to prepare antistatic liquid: add 25% polystyrene sulfonate solution to 60% polypropanol aqueous solution, and the mass ratio of polystyrene sulfonate solution to polypropanol aqueous solution is 1:1;

[0019] The third step is to apply the antistatic solution of the second step on one side of the PET substrate and dry it, an...

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Abstract

The invention discloses a laser medical film and a preparation method thereof. The PET medical film is prepared directed to the laser printing demand, the film base is prepared from high temperature resistant PET plastics and is subjected to corona treatment, an anti-static layer is coated on one side of the film base and is prepared from polystyrene sulfonate, a laser ink absorption coating is coated on the other side of the film base, and the laser coating contains a nanoscale aluminum oxide powder dispersion liquid. The laser medical film provided by the invention has the advantages of fast printing speed, good imaging effect, high temperature resistance, good antistatic effect, smooth paper feeding, no jamming, applicability to doctor handwriting signing, difficult color fading, and long preservation period.

Description

technical field [0001] The invention relates to the field of medical imaging films, in particular to a laser medical film and a preparation method thereof. Background technique [0002] With the innovation and development of printing technology, medical film has generally bid farewell to the era of traditional silver salt film with serious pollution, and has entered the stage of digital printing in an all-round way. At present, the mainstream solution in the market is to use inkjet printing to print and output medical images onto PET substrate films coated with ink-absorbing coatings. However, the inkjet printing speed is extremely slow, and the quality of the ink is uneven, and it is easily oxidized under the action of natural light and heat, causing the image to fade. The laser printing speed is fast, and the toner is not easy to fade. It is ideal if it can be applied to the output field of medical film. However, the structure and composition of the existing film coating...

Claims

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Application Information

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IPC IPC(8): B41M5/50
Inventor 季红丽
Owner 杭州健培科技有限公司
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