Acrylic material for mirror surface as well as preparation method and use method of acrylic material
A technology of acrylic and raw materials, applied in the direction of chemical instruments and methods, layered products, metal layered products, etc., can solve the problems of mirror image deformation, non-compliance with the requirements of mirror acrylic plates, etc., and achieve the effect of preventing unevenness
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Embodiment 1
[0039] A kind of acrylic material for mirror disclosed in this embodiment comprises the following raw materials, polymethyl methacrylate 50%, epoxy silane 20%, maleimide 10%, α-methacrylic acid 5%, initiator 0.1%, cross-linking agent 0.2%.
[0040] In this embodiment, the initiator is selected from azobisisocarbonitrile.
[0041] In this embodiment, the crosslinking agent is selected from ethylene glycol dimethacrylate, ethylene glycol dimethacrylate and 2,2-dimethyl-1,3-propanediol dimethacrylate mixtures in esters.
[0042] The preparation method of the acrylic material for the above-mentioned mirror surface comprises the following steps:
[0043] S1: Put methyl methacrylate, epoxy silane, maleimide, α-methacrylic acid, initiator and cross-linking agent into the reactor and pass nitrogen to remove oxygen, then pass hot water at 70°C to continue Reacted for 15 minutes to obtain a solid content of 40% methyl methacrylate prepolymer;
[0044] S2: Pour the methyl methacrylat...
Embodiment 2
[0054] A kind of acrylic material for mirror disclosed in this embodiment comprises the following raw materials, polymethyl methacrylate 60%, epoxy silane 30%, maleimide 15%, α-methacrylic acid 6%, initiator 1%, crosslinking agent 2%.
[0055] In this embodiment, the initiator is selected from azobisisoheptanonitrile.
[0056] In this embodiment, the crosslinking agent is selected from a mixture of ethylene glycol dimethacrylate and 2,2-dimethyl-1,3-propanediol dimethacrylate.
[0057] The preparation method of the acrylic material for the above-mentioned mirror surface comprises the following steps:
[0058] S1: Put methyl methacrylate, epoxy silane, maleimide, α-methacrylic acid, initiator and cross-linking agent into the reactor and pass nitrogen to remove oxygen, then pass hot water at 80°C to continue Reaction 0min, obtaining solid content is 50% methyl methacrylate prepolymer;
[0059] S2: Pour the methyl methacrylate prepolymer prepared in S1 into a flat mold, then p...
Embodiment 3
[0069] An acrylic material for a mirror disclosed in this embodiment comprises the following raw materials: 55% polymethyl methacrylate, 25% epoxy silane, 12% maleimide, 5.5% α-methacrylic acid, initiator 0.9%, crosslinking agent 1%.
[0070] In this embodiment, the initiator is selected from a mixture of azobisisoheptanonitrile and azobisisoheptanonitrile.
[0071] In this embodiment, the crosslinking agent is selected from ethylene glycol dimethacrylate.
[0072] The preparation method of the acrylic material for the above-mentioned mirror surface comprises the following steps:
[0073] S1: Put methyl methacrylate, epoxy silane, maleimide, α-methacrylic acid, initiator and cross-linking agent into the reactor and pass nitrogen to remove oxygen, then pass hot water at 75°C to continue Reaction 20min, obtain solid content and be 45% methyl methacrylate prepolymer;
[0074] S2: Pour the methyl methacrylate prepolymer prepared in S1 into a flat mold, then press mold and cool ...
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Abstract
Description
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Application Information
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