File ballpoint pen writing protecting agent and protecting method

Abstract

Th invention discloses a file ballpoint pen writing protecting agent and a protecting method, and belongs to the field of file protection and repair. The protecting agent is composed of a component A and a component B, wherein the component A is prepared from, by weight, 2-8 parts of sodium alginate, 0.5-5 parts of glycerin, 0.5-2 parts of ammonium persulfate and 80-95 parts of water, and the component B is prepared from calcium chloride and water according to the weight ratio of (1:99)-(10:90). The protecting method comprises the steps that the component A and the component B are evenly coated on writing in sequence and blow-dried. The file ballpoint pen writing protecting agent can form a film on the surface of the writing to effectively isolate the writing from an external environment and protect the ballpoint pen writing against fading, ink marks do not volatilize, and the long-lasting clear effect is achieved.

Description

technical field [0001] The invention belongs to the field of archive protection and restoration, and in particular relates to an archive ballpoint pen handwriting protection agent and a protection method. Background technique [0002] Archives are directly formed historical records. "Directly formed" means that archives have inherited the originality of documents, and "historical records" means that archives have not only inherited the originality of documents, but also inherited the record of documents, and are original documents that reproduce the true appearance of history. It is precisely because archives inherit the original record of documents and have historical reproducibility, so archives have the important attribute of credential value, which is different from library information materials and cultural relics. [0003] As a precious original record of history, archives are the link of cultural inheritance. A large number of paper cultural relics that have been han...

AI Technical Summary

Problems solved by technology

Ballpoint pen refill oil is generally an oil-soluble fuel, which is relatively unstable, not resistant to acid and alkali, not resistant to light, and easy to volatilize and diffuse. In some archives, the part written with a ballpoint pen has been blurred and difficult to identify after about 20 years, making the document information difficult. Acquisition will bring more inconvenience to the research and inspection of materials and even cause important losses. Therefore, it is very important for the protection of ballpoint pen writing in archives

In the prior art, many handwriting protection agents use harmful ingredients to the human body, such as the nano-silver solution used in the patent with the application number 201110359721.8, long-term use will cause silver to accumulate in the body, which has great damage to the human body, and the application number is 201010586407.9 The acetone solution used in the patent is flammable, volatile, and has a pungent smell, which is not conducive to human health

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