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2003 / ȣ: V.15,no.6,Dec |
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̼ ռ PVA |
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A Study on the PVA Particle Manufacturing for Polymerization Type Fine Toner |
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(б мк) ȭ (б мк) ̳ (б ¿) (б мк) (б мк) |
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In order to investigate the possibility of PVA particle as toner, PVA/PVAc particle was manufactured. Fine spherical PVAc particle with emulsifier SDS(sodium Dodecyl Sulfate) and initiator V-50(2,2\\\'- azo bis(2-amidinopropane) dihydrochloride) was manufactured by emulsion polymerization. And then, the PVAc was carried with surface saponification. PVA/PVAc skin core structured particle was obtained under optimum saponification condition. PVA skin side in manufactured PVA/PVAc particles was dyed with 1:2 metal complex type C. I. Acid Yellow 235 and then the dyed PVA particles were observed with a optical microscope. Under given polymerization condition such as SDS concentration, , V-50 concetration, and temperature , the high molecular weight of PVAc with Pn 13,900 and PVA with Pn 3,400 was produced. The particle distribution of obtained PVAc microspheres was appeared highly at 60 and , respectively. |
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surface saponification; Emulsion polymerization; PVA/PVAc; Toner; Particle distribution |
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