20106
These polymers are fully chemically and physically characterized by means of NMR and Fourier transform IR ( FTIR ) spectroscopy , size - exclusion chromatography ( SEC ) , DSC , thermogravimetric analysis ( TGA ) , tensile testing , and contact angle measurements .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None