A thermal adhesive ultra-thin ultra-high frequency anti-metal radio frequency identification label plastic base material and its preparation method and application
A radio frequency identification tag, anti-metal technology, which is applied to the plastic base material of thermal adhesive ultra-thin ultra-high frequency anti-metal radio frequency identification tag and its preparation and application fields, which can solve the problems of unfriendly solvents, bad environment, and limited antenna design. , to reduce the amount of solvent used, simplify the production process, and reduce the thickness of the label
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[0033] A method for preparing a hot-adhesive ultra-thin ultra-high frequency anti-metal radio frequency identification label plastic substrate, comprising the following steps:
[0034] 1) Weighing the wave-absorbing material, bonding resin and auxiliary agent according to the above composition, mixing and stirring to obtain the mixture;
[0035] 2) Blowing the mixed material into a film to obtain a hot-adhesive ultra-thin ultra-high frequency anti-metal radio frequency identification label plastic substrate.
[0036] Preferably, in step 1) of the preparation method, the mixing and stirring is performed in a mixer with a rotation speed of 800r / min to 1200r / min for 5min to 30min; further preferably, in step 1) of the preparation method, the mixing and stirring is performed at a rotation speed of Stir for 5 minutes in a mixer at 1000r / min.
[0037] Preferably, in step 2) of the preparation method, the thickness of the film obtained by blowing the film is 30 μm to 100 μm.
[003...
Embodiment 1
[0043] Mix 30 parts by mass of ferrite powder, 69 parts by mass of LE920 bonding resin (produced by Heyuan Pulilong New Material Technology Co., Ltd.), and 1 part by mass of antioxidant B215 under the condition of high mixer 1000r / min After 5 minutes, the single-layer film blowing method was used to blow the film, and the plastic base material of the ultra-thin ultra-high frequency anti-metal radio frequency identification label with a film thickness of 100 μm was blown out.
[0044]The plastic substrate is used for the UHF dog bone antenna to prepare an electronic label by conventional etching method, and the label is thermally bonded to the steel sheet with an ordinary electric iron. When the reader’s emission power is 26dBm, the readable distance is 2cm.
Embodiment 2
[0046] 40 mass parts of conductive carbon black powder, 69 mass parts of LE913 bonding resin (produced by Heyuan Pulilong New Material Technology Co., Ltd.), 1 mass part of antioxidant B215 were mixed under the condition of high mixer 1000r / min After 5 minutes, the single-layer film blowing method was used to blow the film, and the plastic base material of the ultra-thin ultra-high frequency anti-metal radio frequency identification label with a film thickness of 100 μm was blown out.
[0047] The plastic substrate is used for the UHF dog bone antenna to prepare the electronic label by the conventional etching method, and the label is thermally bonded to the steel sheet with an ordinary electric iron. When the reader’s emission power is 26dBm, the readable distance is 0.5cm.
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Abstract
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