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[광산란] 합성 고분자
인성크로마텍
Date : 2019.11.26
분류 : 합성고분자


Synthetic Polymers 


The drive to develop synthetic rubber during World War II spurred the first research efforts into theory and practice of light

scattering forcharacterization of macromolecules in solution. Since then light scattering technology has evolved into the 

sophisticated, robust instrumentsdeveloped – and continually refined - by Wyatt Technology. 


Absolute analysis of synthetic polymers to determine molecular weight, size, branchingand conformation remains one of the 

primary applications of multi-angle light scattering.


Molar Mass v. Time

 
 

Sample and reference polymers with the same hydrodynamic volume elute from a GPC column at the same time, 

but do not have the same molecular weights. SEC-MALS determines polymer molar mass independently of elution time.




 # 1.  Absolute Molar Mass & Size


#1 Absolute molar mass & size.PNG

 

 

# 2.  Branching & Conformation


#2 Branching & Conformation_1.PNG

 

#2 Branching & Conformation_2.PNG

 

#2 Branching & Conformation_3.PNG

 

 


# 3.  Co-polymer Analysis

 

#3 Co-polymer Analysis.PNG



# 4.  Zimm Plots

 

#4 Zimm Plots.PNG


 

# 5.  dn/dc Measurement

 

#5 dn.dc measurement.PNG



# 6.  Viscometry & Mark-Houwink Analysis

 

#6 Viscometry & Mark-Howink Anlalysis.PNG


 

# 7.  Plymerization Kinetics 

 

#7 Polymerization Kinetics.PNG