A thermally expandable microsphere applicable to wood impregnation treatment and preparation method thereof
A heat-expandable microsphere, impregnation technology, applied in wood treatment, wood impregnation, wood treatment details, etc., to maintain expansion performance, inhibit the reduction of alkane content, and improve wood properties.
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Embodiment 1
[0095] According to the above-mentioned water phase preparation steps, add 54g deionized water and 2.0g sodium hydroxide in a 100ml beaker placed in an ice-water bath, add 6.1g magnesium chloride hexahydrate after magnetic stirring at a speed of 400 rpm for 5 minutes, and then stir for 5 minutes After 10 minutes, add 0.825 μL of 1% sodium dodecyl sulfate solution with a pipette gun, and continue stirring for 25 minutes.
[0096] At the same time, according to the above oil phase preparation steps, add 0.20 g of azobisisobutyronitrile into a 100 ml beaker placed in an ice-water bath, then add 12 g of acrylonitrile, 6 g of methyl acrylate, and 2 g of vinyl acetate in sequence, and use polyethylene Seal the film, stir magnetically at 400 rpm for 5 minutes, then add 100 μL of 1,4-butanediol dimethacrylate with a pipette gun, then seal with a polyethylene film, stir for 5 minutes, and then add 6 g of n-hexane Alkanes, continue to seal with polyethylene film, stir for later use.
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Embodiment 2
[0101] According to the above-mentioned water phase preparation steps, add 54g deionized water and 2.0g sodium hydroxide in a 100ml beaker placed in an ice-water bath, add 6.1g magnesium chloride hexahydrate after magnetic stirring at a speed of 400 rpm for 5 minutes, and then stir for 5 minutes After 10 minutes, add 0.825 μL of 1% sodium dodecyl sulfate solution with a pipette gun, and continue stirring for 25 minutes.
[0102] At the same time, according to the above oil phase preparation steps, add 0.20 g of azobisisobutyronitrile into a 100 ml beaker placed in an ice-water bath, then add 12 g of acrylonitrile, 6 g of methyl acrylate, and 2 g of vinyl acetate in sequence, and use polyethylene Seal the film, stir magnetically at 400 rpm for 5 minutes, then add 100 μL of 1,4-butanediol dimethacrylate with a pipette gun, then seal with a polyethylene film, stir for 5 minutes, and then add 6 g of n-hexane Alkanes, continue to seal with polyethylene film, stir for later use.
...
Embodiment 3
[0107] According to the above-mentioned water phase preparation steps, add 54g deionized water and 2.0g sodium hydroxide in a 100ml beaker placed in an ice-water bath, add 6.1g magnesium chloride hexahydrate after magnetic stirring at a speed of 400 rpm for 5 minutes, and then stir for 5 minutes After 10 minutes, add 0.825 μL of 1% sodium dodecyl sulfate solution with a pipette gun, and continue stirring for 25 minutes.
[0108] At the same time, according to the above oil phase preparation steps, add 0.20 g of azobisisobutyronitrile into a 100 ml beaker placed in an ice-water bath, then add 12 g of acrylonitrile, 6 g of methyl acrylate, and 2 g of vinyl acetate in sequence, and use polyethylene Seal the film, stir magnetically at 400 rpm for 5 minutes, then add 100 μL of 1,4-butanediol dimethacrylate with a pipette gun, then seal with a polyethylene film, stir for 5 minutes, and then add 6 g of n-hexane Alkanes, continue to seal with polyethylene film, stir for later use.
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Abstract
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