Monomer composition for manufacturing chameleon glass blocks and method for preparing chameleon glass blocks
A technology of monomer composition and color-changing eyes, which is applied in the direction of instruments, optics, optical components, etc., can solve the problems of poor color-changing performance, and achieve the effect of easy control of the process, high refractive index, and vision correction
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Embodiment 1
[0036] Recipe (weight):
[0037] (Meth)acrylic resin: Tetrabromobisphenol A dimethacrylate 400g
[0038] Vinyl monomer: divinylbenzene 250g
[0039] Vinyl monomer: methyl styrene 150g
[0040] Cross-linking agent: polyethylene glycol di(meth)acrylate 200 grams
[0041] Chromatic dye: Spiral naphthopyran 0.4g, ROBINSON UK
[0042] Company's CHARCOAL GRAY
[0043] Chromatic dye: Spiral naphthoxazine 0.1g
[0044] SEA GREEN by ROBINSON, UK
[0045] UV absorber 2-(2'-hydroxy-3',5'-di-t-pentylphenyl)benzotriazole 0.1 g
[0046] Antioxidant: β-(3,5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate 2 g
[0047] Antioxidant: 2,6-di-tert-butyl-4-methylphenol 2 grams
[0048] Light stabilizer: bis(2,2',6,6'-tetramethylpiperidine) sebacate 4 grams
[0049] Polymerization Additive: Dodecyl Mercaptan 4g
[0050] Polymerization initiator: azobisisobutyronitrile 0.5 g
[0051] Polymerization initiator: azobisisoheptyl cyanide 1.5 g
[0052] Preparation method: After the above c...
Embodiment 2
[0061] Recipe (weight):
[0062] Tetrabromobisphenol A dimethacrylate 500g
[0063] Pentacyclopentadecane di(meth)acrylate 200g
[0064] 150g divinylbenzene
[0065] Methyl styrene 50 g
[0066] Ethoxylated bisphenol A diacrylate 100g
[0067] Color-changing dye 1 0.25 g (CHARCOAL GRAY of ROBINSON, UK)
[0068] Color-changing dye 2 0.08 g (SEA GREEN, ROBINSON, UK)
[0069] Color-changing dye 3 0.2 g (RUBYRED, ROBINSON, UK)
[0070] 2-(2'-Hydroxy-3',5'-di-t-pentylphenyl)benzotriazole 0.1 g
[0071] Octadecyl β(3,5-Di-tert-butyl-4-hydroxyphenyl)propionate 2g
[0072] 2,6-Di-tert-butyl-4-methylphenol 2 grams
[0073] Bis(2,2′,6,6′-tetramethylpiperidine) sebacate 4 g
[0074] Methyl bromide 2 g
[0075] Azobisisobutyronitrile 0.5 g
[0076] Azobisisoheptylcyanide 1.5g
[0077] Preparation method: After the above composition is fully stirred and mixed evenly, it is poured into a pre-prepared glass mold while filtering through a 0.5 micron filter, and the cast mold is pu...
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