Graphene composite thin film material and preparation method thereof
A technology of graphene composite and thin film materials, which is applied in the direction of chemical instruments and methods, adhesive types, synthetic resin layered products, etc., can solve the problems that do not meet the requirements of OLED packaging materials, achieve great practical and promotional value, and solve The effect of poor water and oxygen barrier properties and excellent barrier properties
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Embodiment 1
[0034] (1) Preparation of light-curing adhesive: Add 1g of maleic anhydride, 3g of hydroxyethyl methacrylate, 0.5g of 2,4,6-trimethylbenzoyl-diphenylphosphorus oxide to a 500mL container, 2 -Hydroxy-2-methyl-1-phenyl-1-acetone 1g, norbornyl methacrylate 10g, lauryl methacrylate 14.5g, stir to dissolve the solid, then add polyurethane acrylate resin (soft segment is poly Butadiene) 70g, after stirring evenly, remove the bubbles for later use;
[0035] (2) Large-area single-layer graphene grown by vapor deposition method, take one layer for use;
[0036] (3) Remove the protective film on the upper and lower surfaces of the single-layer graphene layer, apply a light-curing adhesive, and press the activated polymer transparent film on the coated light-curing adhesive. On the mixture, after ensuring that there are no bubbles, cure the adhesive layer. The transparent polymer film used is a transparent PP film. The curing conditions of the light curing adhesive are 1000W medium pressure ...
Embodiment 2
[0039] (1) Preparation of light-curing adhesive: Add 3.5g of maleic anhydride, 2g of hydroxyethyl acrylate, 3g of hydroxyethyl methacrylate, 2,4,6-trimethylbenzoyl-diphenyl into a 500mL container. Phosphorus oxide 0.5g, 2-hydroxy-2-cyclohexyl-1-phenyl-1-acetone 1g, phenoxyethyl acrylate 8g, isodecyl acrylate 22g, stir to dissolve the solid, then add the polyurethane acrylate resin (The soft section is hydrogenated polybutadiene) 60g, after stirring evenly, remove the bubbles for later use;
[0040] (2) Large-area single-layer graphene grown by vapor deposition method, take two layers for use;
[0041] (3) First peel off the protective film on one side of the graphene layer, apply the light-curing adhesive, and then peel off the other protective film on the side of the graphene layer, and press this side against the coating. After ensuring that there are no bubbles on the light-curing adhesive, cure the adhesive layer. The curing condition of the light-curing adhesive is 1000W medi...
Embodiment 3
[0045] (1) Preparation of light-curing adhesive: add 0.5g maleic anhydride, 3g hydroxyethyl methacrylate, 1g 2,4,6-trimethylbenzoyl-diphenylphosphorus oxide, and 2 -Hydroxy-2-cyclohexyl-1-phenyl-1-acetone 1g, phenoxyethyl acrylate 18g, lauryl methacrylate 26.5g, 2(2-ethoxyethoxy)ethyl acrylate 5g , Stir to dissolve the solid, then add 45g of polyurethane acrylate resin (soft segment is polyisoprene and polybutadiene), stir well and remove bubbles for later use;
[0046] (2) Large-area single-layer graphene grown by vapor deposition method, take three layers for use;
[0047] (3) First peel off the protective film on one side of the graphene layer, apply the light-curing adhesive, and then peel off the other protective film on the side of the graphene layer, and press this side against the coating. After ensuring that there are no bubbles on the light-curing adhesive, cure the adhesive layer. The curing condition of the light-curing adhesive is 1000W medium pressure mercury lamp, 2...
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