博碩士論文 86341009 詳細資訊




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姓名 歐進祿( Jinn-Luh Ou)  查詢紙本館藏   畢業系所 化學工程與材料工程學系
論文名稱 均一粒徑無乳化劑次微米粒子之合成及種子溶脹製備均一粒徑微米級之緻密或交聯結構粒子
(Synthesis of monodisperse sub-micron emulsifier-free particles and swelling of seed partciles to prepare monodisperse micron-size microspheres with compacted or crosslinked structure)
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摘要(中) 本研究主題乃在合成次微米級均一粒徑無乳化劑微粒子與微米級均一粒徑高分子微粒子﹐合成微粒子之粒徑範圍為270nm-25
摘要(英) The object of this work focuses mainly on synthesis of submicron-monosized surfactant-free particles and productions of micron-monosized microspheres. The monosized particles prepared can range from 270nm to 25
關鍵字(中) ★ 溶脹倍率
★ 苯乙烯
★ 微胞成核
★ 均一粒徑孔性微粒子
★ 無乳化劑
★ 寡分子粒子
關鍵字(英) ★ monosized porous microspheres
★ surfactant-free
論文目次 Chapter 1 Monodisperse Surfactant-free and Porous Larger-Particle Size Microspheres
1.1 General Aspects of Monodisperse Microspheres in Applications
1.2 Synthesis of Submicron-Monosized Surfactant-Free Particles
1.2.1 Kinetic Studies on the Nucleation Mechanism and Polymerization Rate
1.2.2Kinetic Studies on particle Formation and Growth
1.3 Techniques Developed for Preparation of Larger-Particle-Size Monodisperse Microspheres
1.4 Synthesis of Monosized Porous Polymer Microspheres
1.5The Object This Study
1.6 References
Scheme1-1
Table1-1
Chaper 2 Effects of Hydrophilic Comonomers and Solvent Additives on the Nucleation Mechanism
Abstract
2.1 Introduction
2.2Experiment
2.2.1Materials
2.2.2Polymerizations
2.2.2.1Polymerization Using Batch Reactors
2.2.2.2Polymerization Using Shaking Reactors
2.2.3Determination of Conversion
2.2.4Determination of Molecular Weight and Distribution
2.3 Resultsand Discussions
2.3.1 Nucleation Mechanism Based on St/KPS/H2OSyste,
2.3.2 Nucleation Mechanism Based on St/KPS/H2OSystem in the Presence of the Comonomer or the Solvent Addtive
2.3.3 Effects of Comonomers and Solvent Additives on Polymerization Rate
2.4 Conclusion
2.5References
Scheme2-1-2-3
Figure2-1-2-17
Table2-1-2-2
Chapter 3 Highly Uniform Sub-Micron Microspheres Synthesized Using Surfactant-free Emulsion Polymerization
Abstract
3-1Introduction
3-2Experiment
3.2.1Materials
3.2.2Polymerizations
3.2.2.1Polymerization Using Batch Reactors
3.2.2.2Polymerization Using Shaking Reactors
3.2.3 Determination of Conversion
3.2.4 SEM Measurement of Microspheres
3.3 Results and Discussions
3.3.1 Effects of Polar Solvent on the Particle Size
3.3.2 Effects of Non-polar Solvent on the Particle Size
3.3.3Effects of Comonomer on the paricle Size
3.3.4Effects of Ionic Strentgth on Particle Size
3.4 Conclusion
3.5References
Figure3-1-3-4
Table3-1-3-4
Chapter4 Microspheres Prepared Using a Seeded Swelling Method
Abstract
4.1 Introduction
4.2 Experiment
4.2.1 Materials
4.2.2 Synthesis of Seed Latex
4.2.3 Surface Tension
4.2.4 Dialysis of Seed Latex
4.2.5 Seeded Swelling Treatment
4.2.6 SEM Measurement of Microspheres
4.3 Results and Discussions
4.3.1 Preparing Swelling Mixture--Coagulating After Mixing of the Seed Latex and the Swelling Latex
4.3.2 Swelling Treatments--Influence of Dialysis of the PS Seed Latices
4.3.3 Influence of Solvent Addition
4.3.4 Influence of BPO Concentration
4.3.5 Caving of Microspheres as Further Swelling
4.4 Conclusion
4.5 References
Scheme4-1
Figure4-1-4-6
Table4-1-4-6
Chapter 5 Swelling of Oligomeric Polystyrene Seed Particles to Prepare Highly Crosslinked-Structure Microspheres Using n-Hexane as Porogen
5.1Introduction
5.2 Experiment
5.2.1Materials
5.2.2Synthesis of Seed Latex
5.2.3 Dialysis of Seed Latex
5.2.4 Preparation of Oligomeric Seed Particles
5.2.4.1Seed Swelling With 1-Chlordodecane
5.2.4.2Further Swelling With Chain Transfer Agent (CBr)
5.2.5 Activated Swelling of Oligomeric Polymer Particles
5.2.6 Determination of Molecular Weight and Distribution
5.2.7 Determination of Surface Morphology and Pqrticle Size of Microspheres
5.2.8 Determination of Porous Properties of Microspheres
5.3 Results and Discussions
5.3.1 Preparation of Oligomer Seed Particles
5.3.2 Effect of Chain Transfer Agent on Swelling of Oligomer Seed Particles
5.3.3Effects of DVB and n-Hexane on Porous Properties
5.4 Conclusion
5.5 References
Scheme5-1
Figure5-1-5-2
Table5-1-5-2
Chapter6 Conclusion
6.1Synthesis of Monodisperse Particles by Surfactant-free Polymerization
6.2Swelling Treatments for Preparation of Larger Particle
6.3 Porous Microspheres
List of Publications
Autobiography
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指導教授 陳暉(Hui Chen) 審核日期 2001-9-10
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