Magnetic adhesive tape and preparation method thereof
A manufacturing method and adhesive tape technology, applied in the direction of adhesives, film/sheet adhesives, etc., can solve the problems that affect the manufacturing cost and feasibility, and the difficulty of coating release agent or adhesive layer, etc., to achieve the release effect Uniform and reliable, highly binding effect
Inactive Publication Date: 2009-07-01
吴泓志
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Problems solved by technology
[0005] This tape-type magnet structure is produced, which mainly has an extremely thin sheet or strip-shaped soft magnetized substrate, which contains a release agent layer bonded to one side of it, and bonded to the other side of it. It is composed of an adhesive layer and is suitable for forming a rolled state; at least one end of the rolled state base sheet can be gradually delivered from the rolling, so as to allow it to be stuck or adsorbed on the article by the segment The back side, and can further use the magnetic characteristics of the other side to attract it on the wall or board that can be magnetically attracted; however, the structure of this tape type magnet is obviously because the magnet itself is made of particulate materials such as iron oxide. It is easy to peel off the material powder from the surface during use, and this kind of powder characteristics will make it difficult to apply the release agent or adhesive layer, which will directly affect the manufacturing cost and feasibility; so in this regard, another A more definite and reasonable approach should be necessary
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[0028] Please refer to figure 1 and figure 2 , the present invention is mainly based on magnetizable raw materials 10 (such as powders such as barium, strontium, rubidium, cobalt, boron or iron oxide), rubber / plastic composite material 20, high-efficiency release agent 30 (such as saturated fatty acid ester derivatives) and After modifying agent 40 (such as emulsified calcium soap and fatty acid mixture) etc. are evenly mixed 50, then pre-molded to make a sheet-shaped strip 60; After chemical purification (roughening) or arc polarity treatment 61, then apply magnetization (polarity treatment) 62, and then coat the cleaned surface with adhesive 63; , that is to form a magnetic adhesive tape 65 .
[0029] Since the above-mentioned tape 60 is promptly added with a high-efficiency release agent 30 during manufacture, the surface of the entire tape 60 already has a high degree of release ability, so that the surface has a very low adhesion to the adhesive (after surface treatmen...
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The invention discloses a magnetic adhesive tape and a manufacturing method thereof. The soft magnetic material is mixed with a saturated fatty acid ester derivative and a modifier to form a long strip-shaped soft magnetized substrate with a release surface. One side surface of the substrate is cleaned or roughened to facilitate coating and bonding with a high-efficiency adhesive layer, so that the long strip-shaped substrate can be formed into a roll and collected by this method. Tape-type magnets, not only do not need to spend extra man-hours and costs for coating the release agent layer in manufacturing, but also ensure that the overall release effect is uniform and reliable; after surface treatment and then coated with adhesive, it can ensure that the tape High bonding with viscose.
Description
Technical field: [0001] The invention relates to a magnetic adhesive tape and a manufacturing method thereof. Background technique: [0002] The traditional common adhesive tape is to wind a long film coated with adhesive on one side into a roll, so that its outer end can be pulled out and cut into pieces when needed, so as to facilitate sticking on objects, so as to To achieve the effect of bonding objects or protecting the surface coating, these functions have been widely used in daily life. [0003] However, the above-mentioned single-sided tape has been used for a long time, and it is found that it can be effectively applied in a certain field to bring convenience, so this kind of single-sided tape has been approved for patents with various improved structures; However, in the tapes that have been developed, the relevant tape structures are shown; mainly the tape body is made of soft plastic materials, such as polyvinyl chloride (PVC) or ethylene-vinyl acetate copolymer...
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IPC IPC(8): C09J7/02C09J9/00
Inventor 吴泓志
Owner 吴泓志