MindMap Gallery Polymer Chemistry-Free Radical Polymerization Mind Map
This is a mind map about polymer chemistry-free radical polymerization, including free polymerization mechanism, initiators, overview of chain polymerization, free radical polymerization kinetics, etc.
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This is a mind map about bacteria, and its main contents include: overview, morphology, types, structure, reproduction, distribution, application, and expansion. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about plant asexual reproduction, and its main contents include: concept, spore reproduction, vegetative reproduction, tissue culture, and buds. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about the reproductive development of animals, and its main contents include: insects, frogs, birds, sexual reproduction, and asexual reproduction. The summary is comprehensive and meticulous, suitable as review materials.
Radical Polymerization
Chain aggregation overview
Basic Features
Classification
Polymerization Thermodynamics and Polymerization-Depolymerization Equilibrium
Basic concepts of polymerization thermodynamics
Heat of polymerization (enthalpy) and free energy
Polymerization heat experimental measurement method
Direct calorimetry, combustion heat method, thermodynamic equilibrium method
The relationship between heat of polymerization and monomer structure
steric effect
conjugation effect
electronegativity
hydrogen bond
solvation
Polymerization upper limit temperature and equilibrium monomer concentration
Selectivity of polymerization mechanisms by olefinic monomers
With push electronic base
Conducive to cationic polymerization
propylene monomer
coordination polymerization
With electron withdrawing group
Conducive to anionic polymerization
conjugated system
All three are available
Free radical polymerization mechanism
elementary reaction
Chain trigger
Ri=d[M•]/dt= 2fkd[I]
chain growth
Rp=kp[M·][M]
chain termination
Rt=2kt[M·]^2
Double base termination
disproportionation terminated
chain transfer
initiator
Type of initiator
Azo compounds, peroxides, redox systems, functional group-containing initiators, photoinitiators
Initiator thermal decomposition kinetics
[I]/[I]0=e^-kdt
half life
Initiator efficiency
induced decomposition
cage effect
Choice of initiator
aggregation method
Polymerization temperature
other factors
Other triggering effects
Thermal initiation, light initiation, radiation initiation
Determination of reaction rate constant
paramagnetic resonance method
Latex particle number method
pulse laser method
Free radical lifetime measurement method
Polymerization inhibition and polymerization retardation
Polymerization inhibitors and inhibition mechanism
Inhibition efficiency and inhibition constant
Application of polymerization inhibitors in chain initiation rate determination
Self-blocking polymerization of allyl monomers
degree of aggregation distribution
Degree of polymerization distribution at the end of disproportionation
Degree of polymerization distribution at termination of coupling
Chain transfer reactions and degree of polymerization
chain transfer constant
chain transfer reaction type
Average kinetic chain length and degree of polymerization
average kinetic chain length
Effect of temperature on number average degree of polymerization
Free radical polymerization kinetics
Conversion rate
test methods
Direct method, indirect method, dilatometer method
Microscopic kinetics of free radical polymerization
Long chain assumption, isoactivity assumption, steady state assumption
Deviation from the kinetic equations
Effect of temperature on polymerization rate
Factors affecting chain growth constant
Temperature, pressure, monomer structure
automatic acceleration phenomenon
reason
Influencing factors
Conversion rate-time (C-t) curve
WeChat screenshot_20231105225453
Slow initiation, fast growth, fast termination, transfer
Except for strong electronegativity, which increases the heat of polymerization, all others decrease.