23081
Based on achieved results , another empirical models , allowing for prediction the influence of the kind of polyurethane raw materials on SFE values of received coatings were determined .
 Chemical: polyurethane
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: polyurethane