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A non-destructive removal method for photographs bonded to glass surfaces

A glass surface and photo technology, applied in chemical instruments and methods, lamination, lamination auxiliary operations, etc., can solve the problems of photo damage, photo damage, photo water content reduction, etc., and achieve the effect of simple operation and clear image information

Active Publication Date: 2019-06-28
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the hot air of the hair dryer will reduce the water content of the photo, causing the gelatin of the emulsion layer of the photo to crack and warp or even fall off, and the gelatin of the emulsion layer of the photo emulsion and the support paper will curl due to the different shrinkage of the photo emulsion layer, which will also cause great damage to the photo.
[0004] To sum up, the existing glass bonded photo removal methods will cause some damage to the photos, especially for the old photos, because the gelatin of the emulsion layer has been degraded by aging, improper operation can easily damage the recorded image information

Method used

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  • A non-destructive removal method for photographs bonded to glass surfaces
  • A non-destructive removal method for photographs bonded to glass surfaces
  • A non-destructive removal method for photographs bonded to glass surfaces

Examples

Experimental program
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Embodiment 1

[0017] Such as figure 1 The current situation (partial) of a long group photo in the 1940s stored in a glass mirror cabinet in an archive is shown. Due to improper preservation, the middle part of it is glued to the glass, and it is obviously misplaced and separated from the original photo. The photo on the glass is soaked in absolute ethanol together with the glass, soaked at room temperature under airtight conditions for 12 hours, and then taken out, the photo of the bonding part can be gently peeled off from the glass (see figure 2 ), let it dry naturally. Depend on figure 2 It can be seen that the image information of the detached photos is clear, complete, and undamaged, and can be posted back to the original location later.

[0018] In order to prove the beneficial effects of the present invention, the inventor has carried out a large amount of laboratory research tests, and concrete test situation is as follows:

[0019] 1. Experimental materials and instruments

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PUM

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Abstract

The invention discloses a non-destructive peeling method for a picture adhered to the surface of glass. The method comprises the following step: directly soaking a picture adhered to a piece of glassand the glass together into absolute ethyl alcohol at a normal temperature, thereby non-destructively peeling off the picture from the glass. The method disclosed by the invention is simple to operate, image information of the peeled picture can be clear and complete without deformation, in addition, the absolute ethyl alcohol is safe and environmental-friendly to use, and the mechanical strength,the gloss and the color of the picture are not affected.

Description

technical field [0001] The invention belongs to the technical field of cultural relics protection, and in particular relates to a nondestructive removal method for a photo bonded to a glass surface. Background technique [0002] Black-and-white photos are an important type of modern archives. There are a large number of precious photos collected in the archives system of our country, recording many major historical events and environmental changes. For a long time, people have been accustomed to storing photos that they think are well-photographed or precious in glass mirror cabinets, hung on the wall or placed under the glass plates of tables and stands. The photos stored in this way are indeed easy to appreciate, but after a long time, the water molecules in the air will gradually enter the mirror cabinet, and the surface of the photos will become sticky after being exposed to water, and will be tightly bonded to the glass, which cannot be peeled off. Neither camera repro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B38/10
CPCB32B38/10
Inventor 周亚军祁赟鹏李玉虎张娟霍一娇
Owner SHAANXI NORMAL UNIV
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