Preparation method of flame-retardant temperature-variable ink
A temperature-changing ink and temperature-changing technology, which is applied in the field of preparation of flame-retardant temperature-changing inks, can solve the problems of inconspicuous flame-retardant and temperature-changing effects, single ink functions, etc., achieve good color rendering and adhesion, and optimize preparation The effect of technology and broad market prospects
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Embodiment 1
[0035] (1) Preparation of flame retardant microcapsules:
[0036] (1-1) Add 14g of monomer acrylonitrile, 4g of methyl methacrylate, 2g of methyl acrylate, 0.4g of initiator azobisisobutyronitrile, 0.04g of crosslinking agent dimethacrylic acid and core Chlorinated paraffin-52 (molecular formula C 15 h 26 Cl 6 ) 5.5g, fully stirred with a magnet to form a uniformly mixed oil phase, stand-by;
[0037] (1-2) Weigh 2.5g of NaOH and place it in a beaker, add 45g of distilled water to the beaker, stir thoroughly with a glass rod to obtain a NaOH solution for use; weigh MgCl 2 ·6H 2 O 4g was placed in another beaker, 40g of distilled water was added, and fully stirred with a magnet to obtain MgCl 2The solution is ready for use; the NaOH solution is moved into a three-necked flask, 0.02 g of sodium dodecylbenzenesulfonate is added thereto, and mechanically stirred for a period of time (200 rpm, 15 min); 2 Solution, and control a certain speed, through the high-speed stirring (3...
Embodiment 2
[0050] (1) Preparation of flame retardant microcapsules:
[0051] (1-1) Add monomer acrylonitrile 12g, methyl methacrylate 2g, methyl acrylate 1g, initiator azobisisobutyronitrile 0.3g, crosslinking agent 1,4-butanediol dimethyl in a beaker Base acrylate 0.03g and core material chlorinated paraffin-60 (molecular formula C 15 h 23 Cl 8 ) 5g, fully stirred with a magnet to form a uniformly mixed oil phase, and set aside;
[0052] (1-2) Weigh 2g of NaOH and place it in a beaker, add 40g of distilled water to the beaker, stir well with a glass rod to obtain a NaOH solution for use; weigh MgCl 2 ·6H 2 O 3g was placed in another beaker, 30g of distilled water was added, and stirred thoroughly with a magnet to obtain MgCl 2 The solution is ready for use; the NaOH solution is moved into a three-necked flask, 0.01 g of sodium dodecylbenzenesulfonate is added thereto, and mechanically stirred for a period of time (100 rpm, 10 min); 2 Solution, and control a certain speed, through ...
Embodiment 3
[0065] (1) Preparation of flame retardant microcapsules:
[0066] (1-1) Add monomer acrylonitrile 16g, methyl methacrylate 8g, methyl acrylate 3g, initiator azobisisobutyronitrile 0.5g, crosslinking agent decanediol diacrylate 0.05g and Core material chlorinated paraffin-70 (molecular formula C 20 h 34 Cl 8 ) 6g, fully stirred with a magnet to form a uniformly mixed oil phase, stand-by;
[0067] (1-2) Weigh 3g of NaOH and put it in a beaker, add 50g of distilled water into the beaker, stir it fully with a glass rod, and get a NaOH solution for use; weigh MgCl 2 ·6H 2 O 5g was placed in another beaker, 50g of distilled water was added, and fully stirred with a magnet to obtain MgCl 2 The solution is ready for use; the NaOH solution is moved into a three-necked flask, 0.03 g of sodium dodecylbenzenesulfonate is added thereto, and mechanically stirred for a period of time (300 rpm, 20 min); 2 Solution, and control a certain speed, through the high-speed stirring (400rpm, 20...
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