Shielding type plastic film and composite belt prepared therefrom
A plastic film and shielding technology, which is applied in the fields of magnetic field/electric field shielding, synthetic resin layered products, electrical components, etc., can solve the problem of poor adhesion between plastic film and sheath or metal, inconsistent functions, and low electrical conductivity, etc. question
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[0066] Example 1
[0067] A composite tape is provided with a shielding type plastic film layer on one side of the metal layer, wherein the metal layer is an aluminum foil, and the preparation method of the composite tape comprises the following steps:
[0068] 1) Wet ball milling of metal oxides to remove Fe 2 O 3 The mass ratio of NiO and NiO is 1.08:2.35, the total mass of metal oxides and absolute ethanol is 2:1 by mass, and the total mass of grinding balls and metal oxides is weighed according to mass ratio of 13:1.1, and then the weighed grinding balls are weighed. Put into the grinding jar, then add Fe 2 O 3 , NiO and absolute ethanol, and finally ball milled at a speed of 200r / min for 10h.
[0069] 2) Screening the metal oxide, after drying the metal oxide obtained in step 1) in an oven at 110° C. for 4 hours, it is screened with a 250-mesh gauze.
[0070] 3) Surface treatment of hollow glass beads, the surface treatment liquid and hollow glass beads are weighed a...
Example Embodiment
[0081] Example 2
[0082] A composite tape is provided with a shielding type plastic film layer on one side of the metal layer, wherein the metal layer is an aluminum foil, and the preparation method of the composite tape comprises the following steps:
[0083] 1) Wet ball milling of metal oxides to remove Fe 2 O 3 The mass ratio of NiO and NiO is 1.08:2.35, the total mass of metal oxides and absolute ethanol is 2:1 by mass, and the total mass of grinding balls and metal oxides is weighed according to mass ratio of 13:1.1, and then the weighed grinding balls are weighed. Put into the grinding jar, then add Fe 2 O 3 , NiO and absolute ethanol, and finally ball milled at a speed of 200r / min for 10h.
[0084] 2) Screening the metal oxide, after drying the metal oxide obtained in step 1) in an oven at 110° C. for 4 hours, it is screened with a 250-mesh gauze.
[0085] 3) Surface treatment of hollow glass beads, the surface treatment liquid and hollow glass beads are weighed a...
Example Embodiment
[0096] Example 3
[0097] A composite tape is provided with a shielding type plastic film layer on one side of the metal layer, wherein the metal layer is an aluminum foil, and the preparation method of the composite tape comprises the following steps:
[0098] 1) Wet ball milling of metal oxides to remove Fe 2 O 3 The mass ratio of NiO and NiO is 1.08:2.35, the total mass of metal oxides and absolute ethanol is 2:1 by mass, and the total mass of grinding balls and metal oxides is weighed according to mass ratio of 13:1.1, and then the weighed grinding balls are weighed. Put into the grinding jar, then add Fe 2 O 3 , NiO and absolute ethanol, and finally ball milled at a speed of 200r / min for 10h.
[0099] 2) Screening the metal oxide, after drying the metal oxide obtained in step 1) in an oven at 110° C. for 4 hours, it is screened with a 250-mesh gauze.
[0100] 3) Surface treatment of hollow glass beads, the surface treatment liquid and hollow glass beads are weighed acc...
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