CAJ | 학술논문

采用种子乳液聚合法制备了聚丙烯酸丁酯(PBA)乳液,然后通过第二单体甲基丙烯酸甲酯的预溶胀法聚合制备了PBA/聚甲基丙烯酸甲酯(PMMA)乳液,用激光散射粒度仪和透射电子显微镜对乳液粒径和结构进行了表征.结果表明,当乳化剂十二烷基硫酸钠质量分数为丙烯酸丁酯的1.5%时,可制备粒径为53.6 nm且分布窄的PBA种子乳液;通过调整补加乳化剂、单体与种子乳液的用量,可制得粒径为53.6～443.8 nm的一系列单分散PBA乳液;PBA/PMMA乳液具有完善的核壳结构,且在核壳两相间存在着一个过渡层.
채용충자유액취합법제비료취병희산정지(PBA)유액,연후통과제이단체갑기병희산갑지적예용창법취합제비료PBA/취갑기병희산갑지(PMMA)유액,용격광산사립도의화투사전자현미경대유액립경화결구진행료표정.결과표명,당유화제십이완기류산납질량분수위병희산정지적1.5%시,가제비립경위53.6 nm차분포착적PBA충자유액;통과조정보가유화제、단체여충자유액적용량,가제득립경위53.6～443.8 nm적일계렬단분산PBA유액;PBA/PMMA유액구유완선적핵각결구,차재핵각량상간존재착일개과도층.
The poly(butyl acrylate)(PBA) emulsion was synthesized by seed emulsion polymerization, and the PBA/poly(methyl methacrylate)(PMMA) core-shell emulsion was prepared by preswelling the second monomer methyl methacrylate in the PBA emulsion. Particle diameter and structure of the emulsion were detected by laser scatter particle analyzer and transmission electron microscope . The results showed that when mass fraction of emulsifier was 1.5% of monomer, PBA seed emulsion with particle size of 53.6 nm and narrow distribution was prepared. A series of PBA emulsion with particle size from 53.6 to 443.8 nm were gained by adjusting amount of the supplementing emulsifier, seed emulsion and butyl acrylate. The prepared PBA/PMMA had perfect core-shell structure and there was a transition layer between the core and shell layers.