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Write and erase writing paste

A writing layer and substrate layer technology, applied in the field of writing stickers, can solve the problems of writing board scrapping, increased waste, surface coating damage, etc., and achieve the effects of easy use, convenient movement, and low cost

Inactive Publication Date: 2017-01-04
南通百纳数码新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to repeated cleaning of the writing board or improper cleaning, the surface coating will be damaged, which will directly lead to the scrapping of the entire writing board; the price of the writing board is relatively high, and it cannot be repaired after damage. It is convenient and needs more space for placement; once the writing board is damaged, its support will also lose its function, resulting in increased waste

Method used

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  • Write and erase writing paste

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Embodiment Construction

[0016] Through the following examples, combined with the attached figure 1 , the present invention will be further described.

[0017] The present invention adopts the following technical scheme, a writing sticker that can be published up and down, which includes a writing layer 1, a base material layer 2, a glue layer 3, and a release layer 4. The writing layer is prepared from acrylic antifouling resin and isocyanate Rewritable coating.

[0018] The writing layer 1 is prepared from acrylic antifouling resin and isocyanate in a ratio of 100:3 by mass.

[0019] The base material layer 2 is a PET film with a thickness of 0.1mm.

[0020] The glue layer 3 is a removable pressure-sensitive adhesive layer.

[0021] The release layer 4 is single-coated double-silicon paper.

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Abstract

The invention relates to a writing paste; the writing paste is not limited in specifications, can be repeatedly written, and can be written and erased at will; the writing paste comprises a writing layer, a base material layer, a glue layer, and a release layer; the writing layer is a repeatedly writing coating formed by acrylic acid anti-pollution resin and isocyanate; compared with the prior art, the write and erase writing paste can be bonded at any plane at will, is not limited in specifications, can be repeatedly written, can write and erase at will, is low in cost, and convenient in usage.

Description

technical field [0001] The invention relates to the film industry, in particular to a writing sticker with unlimited specifications, repeatable writing, and free printing and printing. Background technique [0002] At present, the writing tools used by schools and enterprises are mainly writing boards, which are deeply loved by consumers because of their superior dust-free writing properties and reusability. However, due to repeated cleaning of the writing board or improper cleaning, the surface coating will be damaged, which will directly lead to the scrapping of the entire writing board; the price of the writing board is relatively high, and it cannot be repaired after damage. It is convenient and relatively requires more space for placement; once the writing board is damaged, its support will also lose its function correspondingly, resulting in increased related waste. Contents of the invention [0003] The present invention aims at the above-mentioned problems, and pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B42D5/00C09J7/02
Inventor 王树明刘辉
Owner 南通百纳数码新材料有限公司
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