– Bimolecular system (Redox System)
• Redox system rxn
• Born and Metal alkyl initiators of free radical polymerization
• Photochemical initiator (photoinitiator) • Radiation source
• Molecular weight (Mw) • Chain length • Degree of Polymerization
Lectures 1 and 2
Types of Polymeபைடு நூலகம்s
• star-shaper polymer • comb-shaper polymer • ladder polymer • Semi-ladder polymer • network polymer
3.2 Kinetic of ionic Chain Growth Polymerization
3.3 Cationic Polymerization
– Two electron Transposition Initiation Reaction – One Electron Transposition Initiation Reaction
Lectures 1 3 and 14
• Thermochemisity of chain polymerization • Activation energy (E) • Kinetic chain length (ν) • Autoacceleration 自加速反應 • Polymerization of monomers with multiple
– Lyotropic (solvent)：nematic, smetic, cholesteric – Thermotropic(melt)
• 影響 physical properties
– Freedom of molecular motion – Flexibility – Density – Solubility
Lecture 3
• Gel point • Thermosetting • Thermoplastic • Oligomer • Telomer
Telechelic polymer • Dendrimer 樹枝狀高分子 • Rotaxanes
Lecture 4
Techniques of polymerizations
Morphology • Amorphous
Vitrification(玻化)
In molten state
In solid state
– Secondary Transition Temp. (Tg) – Primary Transition Temp. (Tm)
• Crystalline
Lecture 7
• Polymerization Bulk Solution Emulsion Suspension
Lecture 4
Nomenclature
• Nomenclature • IUPAC • Source Name
Lectures 5 and 6 Structure and Property Relationships of Structure and Properties
高等高分子化學 Advanced Polymer
Chemistry
References
• Principles of Polymer Chemistry (second Edition)
– Author: A. Ravve
• Polymer Chemistry - an Introduction(3rd ed)
Copolymerization • 2.8 Polymer5ization of Complexes With
Lewis Acids
2.9 Controlled/”Living” Polymerization 2.10 Atom Transfer radical Polymerization 2.11 Special Types of Controlled/ “Living”
• Rheology(流變) • Relaxation • Elastic behavior • Viscous flow • Viscoelasticity
• Morphology Amorphous(Crystalline) Glassy State Rubbery State Molten Flow
3.4 Anionic Polymerization of Olefins
4. Step Growth Polymerization
4.1 Mechanism and Kinetics of Step Growth Polymerization
4.2 Polyesters 4.3 Polyamides 4.4Aromatic Polyamide-Imides and Aromatic
Lecture 9
• Tm點的產生
– 冷卻時間長 – 利用orientation(配向，延伸)
• Liquid crystallinity
– Pure liquid – isotropic 同向 – Crystalline material – anisotropic 異向
• Polymer liquid crystal
• Homopolymer：單一monomer聚合的 polymer
• Copolymer A+B • Rendom ABAAABABA • Alternating ABABABABAB • Block
AAAAAAAABBBBBBBBAAAAAAA • Graft 接枝(多用於表面處理)
• Classification • Carothers • Addition polymer • Condensation polymer • Flory • Step-growth polymer • Chain-growth polymer
Tacticity
• Steric control
– Isotactic – Syndiotactic – Atactic (random)
• Effect of reaction Medium
– pH – solution viscosity – solvent – ceiling temp(Tc)
Polyester-Imides 4.5 Polyimides 4.6 Polyethers
4.7 Polyurethanes 4.8 Epoxy Resins 4.9 Phenol-Formaldehyde Resins 4.10 Silicon Polymers 4.11 High Performance Polymers 4.12 Dendrimers and Polyrotaxanes
– β-ray, γ-ray:Co60 ,α-particle, Electron beam
• capture of free radical by monomer
Lecture 12
• propagation
– factors
• steric hindrance => 和取代基的大小有關 • polar effect • resonance stability
Lectures 1 and 2
Definitions
• Definition：poly (很多) mer (unit) 由很多repeating unit 組成
• 最簡單的polymer：linear Polyethylene • 分子量＞10000 可稱 polymer • 分子量＜10000 稱 oligermer
2. Free-Radical Chain-Growth Polymerization
2.1 Free-Radical Chain-Growth Polymerization Process
– Kinetic Relationship in Free-Radical Polymerization
– Reaction Leading to Formation of Initiating Free-Radicals
Lecture 8
• Structure影響 Tg
Chemical structure Method of measurement Molecular weight Aging effect
• R：size 大 Tg大 • R：越長 Tg小 • Branched substituional group 可塑化效應 • Polarity大 Tg高，H-bonding Tg 高 • Chain-stiffening effect • Stereochemistry
• Physical property • Force：primary force
Secondary force H-bonding (polyamide) Vander waals Dipole-dipole Induced dipole (polyester)
Amorphous and Crystalline Arrangements
– Author: Malcom P. Stevens
Contents
1. Introduction and Physical Properties of Polymers
• Introduction
• Physical Properties of Polymers
– Structure and Property Relationship in Organic Polymers – Amorphous and Crystalline arrangements – Effect of Chemical structure upon Physical Properties – Solution of Polymers – Molecular weights and Molecular weight distributions – Steric Arrangement in Macromolecules