Calendar adhesive
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 北京启航东方印刷有限公司
- Publication Date
- 2021-04-09
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Abstract
Description
technical field
[0001] The invention relates to the technical field of adhesives, in particular to calendar adhesives, which are mainly used in the technical field of desk-top calendars and other wireless bindings and spine brushing. Background technique
[0002] At present, there are two types of binding adhesives commonly used in the industry: hot-melt adhesive and water-soluble adhesive. Hot-melt adhesive has a firm bond, but the degree of hardening after bonding is high, which makes it difficult to open and read after binding, or the adhesive layer is broken due to a large reading angle. The structure of the spine is damaged. The water-soluble adhesive is relatively soft and can be opened completely, but the bonding strength is not enough, and the pages are easy to drop after repeated reading. Moreover, when the existing adhesive is used for a long time, it is easy to cause the adhesive to mildew due to the influence of the environment. Thereby affecting its quality of u...